技术领域technical field
本发明主要涉及设置于压力煮饭器等带盖容器的盖的锁定装置以及使用该锁定装置的带盖容器。The present invention mainly relates to a locking device provided on a lid of a container with a lid such as a pressure cooker, and a container with a lid using the locking device.
背景技术Background technique
以往，提出了一种当在关闭盖的状态下使用时收纳部的内压成为超过大气压的高压的煮饭器等带盖的容器(例如，参照专利文献1(日本特开2008-48767号公报)、专利文献2(日本专利第5380669号公报)以及专利文献3(日本专利第5509363号公报))。In the past, a container with a cover such as a rice cooker in which the internal pressure of the storage part becomes a high pressure exceeding atmospheric pressure when the cover is closed has been proposed (for example, refer to Patent Document 1 (Japanese Patent Application Laid-Open No. 2008-48767). ), Patent Document 2 (Japanese Patent No. 5380669 ), and Patent Document 3 (Japanese Patent No. 5509363 )).
在这样的带盖容器中，由于即使收纳部的内压上升，也需要将盖保持在关闭的状态，因此采用了锁定盖的锁定装置。并且，为了解除该锁定，设置有供使用者操作的解除按钮。并且，在容器的内部成为规定的压力以上时，鉴于安全性，还提出即使按压解除按钮盖也不打开这样的技术。In such a container with a lid, since it is necessary to keep the lid closed even if the internal pressure of the storage portion rises, a locking device for locking the lid is used. And, in order to release the lock, a release button operated by the user is provided. In addition, when the inside of the container has a predetermined pressure or more, a technique has been proposed in which the lid does not open even if the release button is pressed in view of safety.
图10的A和图10的B是示出专利文献1中记载的以往的带盖容器的锁定装置的构造的图。图10的A是示出容器内部的压力小于规定值时的状态的图，图10的B是示出容器内部的压力为规定值以上时的状态的图。FIG. 10A and FIG. 10B are diagrams showing the structure of a conventional lidded container locking device described in Patent Document 1. As shown in FIG. A of FIG. 10 is a diagram showing a state when the pressure inside the container is lower than a predetermined value, and B of FIG. 10 is a diagram showing a state when the pressure inside the container is higher than a predetermined value.
如图10的A和图10的B所示，锁定装置122具有柱塞117、解除按钮锁定部件118、解除按钮124以及盖体钩杆123。As shown in FIG. 10A and FIG. 10B , the locking device 122 has a plunger 117 , a release button lock member 118 , a release button 124 , and a cover hook 123 .
如图10的A所示，在容器107内部的压力小于规定值时，柱塞117的轴117b面向纸面而位于右侧，与该轴117b的动作联动的解除按钮锁定部件118也处于移动到右侧的状态。因此，解除按钮锁定部件118存在于与盖体钩杆123分离的位置。并且，设置于盖体钩杆123的末端的卡止爪123b被与容器107的主体连接的卡止部104c卡定，盖130成为相对于主体被固定的状态。As shown in A of FIG. 10, when the pressure inside the container 107 is lower than a predetermined value, the shaft 117b of the plunger 117 faces the paper surface and is located on the right side, and the unlocking button lock member 118 linked to the operation of the shaft 117b is also in the position of moving. state on the right. Therefore, the release button lock member 118 exists at a position separated from the cover hook lever 123 . Furthermore, the locking claw 123b provided at the tip of the lid hook lever 123 is locked by the locking portion 104c connected to the main body of the container 107, and the lid 130 is fixed to the main body.
在如图10的A所示容器107内的压力比较低时，当使用者想要打开盖130而按下解除按钮124时，盖体钩杆123以轴123a为中心向面向纸面的顺时针方向转动。于是，卡止爪123b与卡止部104c的锁定脱离。并且，盖130借助弹簧的作用力而打开。When the pressure in the container 107 as shown in A of FIG. 10 is relatively low, when the user wants to open the cover 130 and press the release button 124, the cover hook lever 123 faces clockwise on the paper with the axis 123a as the center. direction to turn. Then, the lock between the locking claw 123b and the locking portion 104c is disengaged. And, the cover 130 is opened by the biasing force of the spring.
另一方面，如图10的B所示，在容器107内部的压力为规定值以上时，柱塞117的轴117b面向纸面向左移动，解除按钮锁定部件118也向左移动。并且，内盖111也伴随着容器107内部的压力的上升而面向纸面向上移动。并且，设置于内盖111的停止器119克服弹簧120的作用力而向上移动。并且，停止器119进入到设置于解除按钮锁定部件118的下侧的凹部118d，从而将解除按钮锁定部件118锁定。On the other hand, as shown in B of FIG. 10 , when the pressure inside the container 107 exceeds a predetermined value, the shaft 117b of the plunger 117 moves leftward facing the paper surface, and the release button lock member 118 also moves leftward. In addition, the inner lid 111 also moves upward toward the surface of the paper as the pressure inside the container 107 rises. Moreover, the stopper 119 disposed on the inner cover 111 overcomes the force of the spring 120 and moves upward. And the stopper 119 enters into the recessed part 118d provided in the lower side of the release button lock member 118, and locks the release button lock member 118. As shown in FIG.
假定在这样的图10的B所示的状态下，使用者想要打开盖而按下了解除按钮124的情况。在该情况下，设置于盖体钩杆123的端部的抵接片123c与解除按钮锁定部件118的向上侧突出设置的端部118e接触，盖体钩杆123无法旋转。Assume that in the state shown in B of FIG. 10 , the user wants to open the cover and presses the release button 124 . In this case, the contact piece 123c provided at the end of the lid hook 123 comes into contact with the end 118e protruding upward of the release button lock member 118, and the lid hook 123 cannot rotate.
通过这样的结构而实现了：在容器107内部的压力为规定值以上时，即使使用者按压解除按钮124也无法打开盖的结构。Such a structure achieves a structure in which the lid cannot be opened even if the user presses the release button 124 when the pressure inside the container 107 is equal to or higher than a predetermined value.
然而，在上述的专利文献1所记载的技术中，存在如下这样的课题。具体而言，假定在容器内的压力为规定值以上的状态下按下解除按钮的情况。此时，有时容器内的压力在解除按钮的按下过程中因某种理由而降低。在这样的情况下，虽然在解除按钮被按下时由于容器内的压力较高而无法打开盖，但当按压了解除按钮的状态下容器内的压力很快就降低时，解除按钮锁定部件的锁定松脱，盖会突然打开。这样的动作有可能给使用者带来不安，并不优选。However, the technique described in the above-mentioned Patent Document 1 has the following problems. Specifically, it is assumed that the release button is pressed while the pressure in the container is equal to or higher than a predetermined value. At this time, the pressure in the container may drop for some reason while the release button is being pressed. In such a case, although the lid cannot be opened due to the high pressure in the container when the release button is pressed, when the pressure in the container decreases quickly when the release button is pressed, the release button locking member The lock is released and the cover pops open. Such an operation may cause uneasiness to the user, and is not preferable.
发明内容Contents of the invention
本发明是鉴于上述课题而完成的，提供一种锁定装置以及使用该锁定装置的带盖容器，即使是保持为在容器的内压较高的状态下按下了解除按钮的状态、并且容器内的压力在该状态下有所降低这样的情况下，盖也不会打开。The present invention was made in view of the above-mentioned problems, and provides a locking device and a container with a lid using the locking device, even if the release button is kept in a state where the internal pressure of the container is high, and the inside of the container is closed. In this case, the pressure is reduced in this state, and the cover will not open.
本发明的锁定装置是用于具有盖和主体的带盖容器的锁定装置。并且，具有：钩轴，其设置于盖侧；钩杆，其保持于钩轴，通过向规定方向的转动而使盖相对于主体锁定；保持部，其设置于主体，通过摩擦来保持钩杆；以及停止器轴，其与钩轴平行地设置于钩杆。并且，具有：盖开放按钮，其在打开盖时被按下；停止器，其保持于停止器轴，被盖开放按钮按下；停止器弹簧，其向规定方向对停止器施力；以及钩弹簧，其向规定方向对钩杆施力。并且，停止器弹簧的作用力构成为比钩弹簧的作用力强。当在容器内的压力小于规定压力的状态下按下停止器时，停止器和钩杆都向规定方向的相反方向转动，保持部对钩杆的锁定被解除。另一方面，构成为：当在容器内的压力处于规定压力以上的状态下按下停止器时，仅停止器向规定方向的相反方向转动，钩杆不转动，保持部对钩杆的锁定不解除。The locking device of the present invention is a locking device for a covered container having a lid and a main body. And, it has: a hook shaft, which is provided on the cover side; a hook lever, which is held by the hook shaft, and locks the cover relative to the main body by rotating in a predetermined direction; a holding part, which is provided on the main body, and holds the hook bar by friction. ; and the stopper shaft, which is arranged on the hook rod in parallel with the hook shaft. And, it has: a cover opening button, which is pressed when opening the cover; a stopper, which is held on the stopper shaft, and is pressed by the cover opening button; a stopper spring, which urges the stopper in a predetermined direction; and a hook A spring that urges the hook lever in a prescribed direction. Furthermore, the urging force of the stopper spring is configured to be stronger than the urging force of the hook spring. When the stopper is pressed when the pressure in the container is lower than a predetermined pressure, both the stopper and the hook lever rotate in the opposite direction to the predetermined direction, and the locking of the hook lever by the holding part is released. On the other hand, the configuration is such that when the stopper is pressed when the pressure in the container is higher than a predetermined pressure, only the stopper rotates in the opposite direction to the predetermined direction, the hook lever does not rotate, and the locking of the hook lever by the holding part is not activated. lifted.
并且，本发明的带盖容器具有上述的锁定装置。Moreover, the container with a lid of this invention has the above-mentioned locking device.
通过这样的结构，能够提供一种锁定装置以及使用该锁定装置的带盖容器，即使是保持为在容器的内压较高的状态下按下了解除按钮的状态、并且容器内的压力在该状态下有所降低这样的情况下，盖也不会打开。With such a structure, it is possible to provide a locking device and a container with a lid using the locking device, even if the release button is kept in a state where the internal pressure of the container is high, and the pressure in the container is kept at this level. In such a case that the state is lowered, the cover will not open.
附图说明Description of drawings
图1是本发明的实施方式的作为带盖容器的一例的煮饭器的立体图。Fig. 1 is a perspective view of a rice cooker as an example of a container with a lid according to an embodiment of the present invention.
图2是示出本发明的实施方式的煮饭器的打开了盖的状态的立体图。Fig. 2 is a perspective view showing a state in which the cover of the rice cooker according to the embodiment of the present invention is opened.
图3是示出本发明的实施方式的煮饭器的主要的结构的分解立体图。Fig. 3 is an exploded perspective view showing the main structure of the rice cooker according to the embodiment of the present invention.
图4是示出本发明的实施方式的煮饭器的盖的从下外轮廓部件卸下了上外轮廓部件的状态的立体图。4 is a perspective view showing a state in which an upper outer profile member is removed from a lower outer profile member of the lid of the rice cooker according to the embodiment of the present invention.
图5是从上方观察本发明的实施方式的盖开放装置的立体图。Fig. 5 is a perspective view of the lid opening device according to the embodiment of the present invention viewed from above.
图6是从下方观察本发明的实施方式的盖开放装置的立体图。Fig. 6 is a perspective view of the lid opening device according to the embodiment of the present invention viewed from below.
图7的A是本发明的实施方式的煮饭器的盖的俯视图。A of FIG. 7 is a top view of the cover of the rice cooker concerning embodiment of this invention.
图7的B是本发明的实施方式的煮饭器的盖的剖视图。B of Fig. 7 is a cross-sectional view of a lid of the rice cooker according to the embodiment of the present invention.
图8的A是沿着图7的A中的8A-8A线段的剖视图。A of FIG. 8 is a cross-sectional view along line 8A-8A in A of FIG. 7 .
图8的B是放大地示出图7的B中的区域B的剖视图。B of FIG. 8 is an enlarged cross-sectional view showing a region B in B of FIG. 7 .
图9的A是表示作为本发明的实施方式的锁定装置的盖开放装置的、盖关闭的状态的结构的图。A of FIG. 9 is a diagram showing a configuration of a cover opening device as a lock device according to an embodiment of the present invention in a state where the cover is closed.
图9的B是表示作为本发明的实施方式的锁定装置的盖开放装置的、在容器内压力小于规定压力的通常状态下按压盖开放按钮的情况下的结构的图。FIG. 9B is a diagram showing the configuration of the lid opening device as the locking device according to the embodiment of the present invention when the lid opening button is pressed in a normal state where the pressure inside the container is lower than a predetermined pressure.
图9的C是示出作为本发明的实施方式的锁定装置的盖开放装置的、在容器内压力处于规定压力以上的状态下按压盖开放按钮的情况下的结构的图。9C is a diagram showing a configuration of a lid opening device as a locking device according to an embodiment of the present invention when the lid opening button is pressed while the pressure inside the container is equal to or higher than a predetermined pressure.
图10的A是示出专利文献1中记载的以往的带盖容器的锁定装置的、容器内部的压力小于规定值时的状态的图。A of FIG. 10 is a diagram showing a state of the conventional capped container locking device described in Patent Document 1 when the pressure inside the container is lower than a predetermined value.
图10的B是示出专利文献1中记载的以往的带盖容器的锁定装置的、容器内部的压力为规定值以上时的状态的图。B of FIG. 10 is a diagram showing a state of the conventional capped container locking device described in Patent Document 1 when the pressure inside the container is equal to or higher than a predetermined value.
具体实施方式detailed description
以下，对本发明的实施方式进行说明。另外，本发明不限于本实施方式中记载的内容。Embodiments of the present invention will be described below. In addition, the present invention is not limited to the contents described in the present embodiment.
在本实施方式中，作为带盖容器的一例使用煮饭器进行说明。另外，本发明的带盖容器不限于煮饭器，例如也可以应用于压力烹调器、电水壶以及加湿器等容器内部成为高压的带盖容器。In this embodiment, a description will be given using a rice cooker as an example of a container with a lid. In addition, the container with a lid of this invention is not limited to a rice cooker, For example, it can also be applied to the container with a lid which becomes high pressure inside a container, such as a pressure cooker, an electric kettle, and a humidifier.
[煮饭器的整体结构][whole structure of rice cooker]
首先，对本发明的实施方式的压力式煮饭器的整体结构进行说明。First, the whole structure of the pressure type rice cooker which concerns on embodiment of this invention is demonstrated.
图1是本发明的实施方式的煮饭器50的立体图。图2是示出该煮饭器50的打开盖3的状态的立体图。图3是示出该煮饭器50的主要结构的分解立体图。图4是示出该煮饭器50的盖3的将上外轮廓部件3a从下外轮廓部件3b卸下的状态的立体图。Fig. 1 is a perspective view of rice cooker 50 according to the embodiment of the present invention. FIG. 2 is a perspective view showing a state in which the lid 3 of the rice cooker 50 is opened. FIG. 3 is an exploded perspective view showing the main structure of the rice cooker 50 . FIG. 4 is a perspective view showing a state in which the lid 3 of the rice cooker 50 is detached from the upper outer profile member 3a from the lower outer profile member 3b.
本实施方式的压力式的煮饭器50具有：大致有底筒状(包括有底筒状)的煮饭器主体1，其在内部形成有锅收纳部1a(参照图3)；以及锅2，其收纳在锅收纳部1a中，用来装包括米和水的被煮物。在煮饭器主体1的上部安装有能够开闭煮饭器主体1的上部开口部的中空构造的盖3。能够密闭锅2的上部开口部的大致圆盘状(包括圆盘状)的内盖4以能够装卸的方式安装在盖3的内侧(覆盖锅2的上部开口部的一侧)。在本实施方式中，利用盖3和内盖4构成了能够开闭锅2的上部开口部的盖体。The pressure-type rice cooker 50 of this embodiment has: a rice cooker main body 1 having a substantially bottomed cylindrical shape (including a bottomed cylindrical shape), in which a pot storage portion 1a (see FIG. 3 ) is formed; and a pot 2. , which is accommodated in the pot accommodating portion 1a, and is used to hold boiled objects including rice and water. A lid 3 having a hollow structure capable of opening and closing the upper opening of the rice cooker body 1 is attached to the upper portion of the rice cooker body 1 . A substantially disk-shaped (including disk-shaped) inner lid 4 capable of sealing the upper opening of the pot 2 is detachably attached to the inner side of the lid 3 (the side covering the upper opening of the pot 2 ). In this embodiment, the cover body which can open and close the upper opening part of the pot 2 is comprised by the cover 3 and the inner cover 4. As shown in FIG.
如图4所示，盖3具有构成盖3的外轮廓的上外轮廓部件3a和下外轮廓部件3b。并且，盖3具有交链轴3A。交链轴3A是盖3的开闭轴，交链轴3A的两端部转动自如地保持在煮饭器主体1的上框1b。交链轴3A的周围安装有扭转螺旋弹簧(未图示)。扭转螺旋弹簧以交链轴3A为中心向远离锅2的上部开口部的方向(打开方向)对盖3施力。As shown in FIG. 4 , the cover 3 has an upper outer profile part 3 a and a lower outer profile part 3 b constituting the outer profile of the cover 3 . Furthermore, the cover 3 has an interlinkage shaft 3A. The link shaft 3A is an opening and closing shaft of the lid 3, and both ends of the link shaft 3A are rotatably held by the upper frame 1b of the rice cooker main body 1. A torsion coil spring (not shown) is attached around the link shaft 3A. The torsion coil spring urges the lid 3 in a direction away from the upper opening of the pot 2 (opening direction) around the interlinkage shaft 3A.
在盖3的内部设置有作为锁定装置的盖开放装置8。通过使盖开放装置8与煮饭器主体1的保持部(在本实施方式中，像后述那样，是上框1b的端部1c(参照图8的A))卡合，而保持着盖3封闭锅2的上部开口部的状态。Inside the cover 3 is provided a cover opening device 8 as a locking device. The lid is held by engaging the lid opening device 8 with the holding portion of the rice cooker body 1 (in this embodiment, as will be described later, the end portion 1c of the upper frame 1b (see A in FIG. 8 )). 3 The state in which the upper opening of the pot 2 is closed.
关于盖开放装置8，在盖3封闭锅2的上部开口部的状态下，当按压了设置于盖3的盖开放按钮7时，钩杆14以作为钩轴的轴14c为中心向箭头A1方向(图4参照)旋转。由此，盖开放装置8与煮饭器主体1的保持部的卡合松脱，盖3借助于扭转螺旋弹簧的作用力而以交链轴3A为中心向远离锅2的上部开口部的方向转动。然后，盖3成为没有封闭锅2的上部开口部的打开状态。Regarding the lid opening device 8, when the lid opening button 7 provided on the lid 3 is pressed in the state where the lid 3 closes the upper opening of the pot 2, the hook lever 14 moves in the direction of the arrow A1 around the shaft 14c as the hook shaft. (Refer to Figure 4) Rotate. As a result, the engagement between the lid opening device 8 and the holding portion of the rice cooker main body 1 is released, and the lid 3 moves away from the upper opening of the pot 2 around the interlocking shaft 3A by the biasing force of the torsion coil spring. turn. Then, the lid 3 is in an open state in which the upper opening of the pot 2 is not closed.
另外，盖3例如构成为当从封闭锅2的上部开口部的位置以交链轴3A为中心旋转规定的角度例如90度时停止旋转。In addition, the lid 3 is configured to stop rotation when it is rotated by a predetermined angle, for example, 90 degrees around the interlinkage shaft 3A from a position closing the upper opening of the pot 2 , for example.
在盖3上设置有显示操作部33，该显示操作部33显示煮饭模式以及煮饭时间等各种信息，并且能够从白米模式、糙米模式以及白米(柔软)模式等多个煮饭模式中选择特定的煮饭模式。显示操作部33除了煮饭模式的选择之外，还具有煮饭开始按钮等多个按钮，而能够指示煮饭的开始、取消以及预约等的执行。使用者通过操作显示操作部33而能够一边参照显示内容一边选择特定的煮饭模式，指示煮饭开始。A display operation part 33 is provided on the lid 3, and the display operation part 33 displays various information such as the rice cooking mode and the cooking time, and can select from a plurality of rice cooking modes such as the white rice mode, the brown rice mode, and the white rice (soft) mode. Select a specific cooking mode. In addition to the selection of the rice cooking mode, the display operation unit 33 has a plurality of buttons such as a rice cooking start button, and can instruct execution of the start, cancellation, and reservation of rice cooking. By operating the display operation part 33, a user can select a specific rice cooking mode and instruct a rice cooking start, referring display content.
[锁定装置的结构][Structure of locking device]
接着，对于作为本实施方式的锁定装置的盖开放装置8，详细地说明其结构。Next, the configuration of the lid opening device 8 as the locking device of the present embodiment will be described in detail.
图5是从上方观察本发明的实施方式的盖开放装置8的立体图。并且，图6是从下方观察该盖开放装置8的立体图。并且，图7的A是本发明的实施方式的煮饭器50的盖3的俯视图，图7的B是沿图7的A中的7B-7B线段的该盖3的剖视图。并且，图8的A是沿图7的A中的8A-8A线段的剖视图，图8的B是放大地示出图7的B中的区域B的剖视图。另外，图8的A和图8的B分别示出了安装有上外轮廓部件3a的状态。FIG. 5 is a perspective view of the lid opening device 8 according to the embodiment of the present invention viewed from above. 6 is a perspective view of the lid opening device 8 viewed from below. Moreover, A of FIG. 7 is a top view of the cover 3 of the rice cooker 50 which concerns on embodiment of this invention, and B of FIG. 7 is a cross-sectional view of the cover 3 along the 7B-7B line segment in A of FIG. 7 . 8A is a cross-sectional view along line 8A-8A in FIG. 7A , and FIG. 8B is an enlarged cross-sectional view showing a region B in FIG. 7B . In addition, A of FIG. 8 and B of FIG. 8 respectively show the state where the upper outer profile member 3a is attached.
如图5至图8的B的各附图所示，盖开放装置8具有支承部件12、安装于支承部件12的钩杆14以及安装于钩杆14的停止器13。As shown in each drawing of B of FIG. 5 to FIG. 8 , the cover opening device 8 has a support member 12 , a hook lever 14 attached to the support member 12 , and a stopper 13 attached to the hook lever 14 .
如图5、图7的A以及图7的B所示，支承部件12以其主面12a与下外轮廓部件3b的下表面大致平行(包括平行)的方式配置于下外轮廓部件3b。As shown in FIGS. 5 , 7A and 7B , the support member 12 is disposed on the lower outer profile member 3b such that its main surface 12a is substantially parallel (including parallel) to the lower surface of the lower outer profile member 3b.
钩杆14具有第1面14d以及与第1面14d大致垂直的(包括垂直)的第2面14e。在从侧方观察时，第1面14d与第2面14e呈大致90度(包括90度)连接，钩杆14在侧面观察时构成为L字状的形状。如图5所示，在钩杆14的第1面14d与第2面14e相连接的部分设置有轴14c。由此，钩杆14构成为能够以轴14c为中心进行转动。The hook lever 14 has the 1st surface 14d and the 2nd surface 14e substantially perpendicular|vertical (including perpendicular) to the 1st surface 14d. The first surface 14d and the second surface 14e are connected at approximately 90 degrees (including 90 degrees) when viewed from the side, and the hook lever 14 is formed in an L-shape when viewed from the side. As shown in FIG. 5, the shaft 14c is provided in the part where the 1st surface 14d and the 2nd surface 14e of the hook lever 14 are connected. Thus, the hook lever 14 is configured to be rotatable around the shaft 14c.
并且，在通常时(盖开放按钮7未被按压的状态)，借助于弹簧24(参照图8的A)的作用力以使上侧的第1面14d与支承部件12的主面12a平行的方式(图8的A的A2方向)对钩杆14施力。And, in normal time (cover open button 7 is not pressed state), by the urging force of spring 24 (referring to FIG. Mode (direction A2 of A in FIG. 8 ) applies force to the hook lever 14 .
在第2面14e的轴14c方向的两侧，在与第2面14e平行且侧面观察时与第1面14d大致垂直(包括垂直)的方向设置有一对延设部14f。在一对延设部14f的各自的末端部分设置有卡止部14b。卡止部14b从延设部14f向内侧弯曲大致90度(包括90度)，卡止部14b在侧面观察时构成在与第1面14d大致平行(包括平行)的方向上。卡止部14b被煮饭器主体1的上框1b的端部1c(参照图8的A)卡定，由此能够使盖3借助于扭转螺旋弹簧的作用力而要打开的动作停止，使盖3呈关闭状态。On both sides of the second surface 14e in the direction of the axis 14c, a pair of extension portions 14f are provided in a direction parallel to the second surface 14e and substantially perpendicular (including vertical) to the first surface 14d in side view. The locking part 14b is provided in each end part of a pair of extension part 14f. The locking portion 14b is bent inwardly at approximately 90° (including 90°) from the extension portion 14f, and is formed in a direction approximately parallel (including parallel) to the first surface 14d in side view. The locking portion 14b is locked by the end 1c (referring to A of FIG. 8 ) of the upper frame 1b of the rice cooker main body 1, so that the action of opening the lid 3 by the force of the torsion coil spring can be stopped. The cover 3 is in a closed state.
在钩杆14的第1面14d的俯视观察时的中央部设置有孔部14g。该孔部14g形成为在盖开放按钮7被按压时随之移动的棒状部件即按压部7a(参照图8的B)能够从该孔中穿过的大小和位置。A hole portion 14g is provided in the center portion of the first surface 14d of the hook lever 14 in plan view. The hole portion 14g is formed in a size and a position such that the pressing portion 7a (refer to FIG. 8B ), which is a rod-shaped member that moves when the cover opening button 7 is pressed, can pass through the hole.
停止器13配置于该钩杆14的孔部14g。停止器13是形成为放入到孔部14g内的大小的板状部件。停止器13构成为能够借助设置于钩杆14的作为停止器轴的轴13a而相对于钩杆14转动。这里，轴13a与轴14c构成为彼此平行。并且，停止器13的大小和位置被确定成：通过按压盖开放按钮7，按压部7a不按压钩杆14而仅按压停止器13。The stopper 13 is arranged in the hole portion 14g of the hook lever 14 . The stopper 13 is a plate-shaped member formed in a size to fit into the hole 14g. The stopper 13 is configured to be rotatable relative to the hook lever 14 via a shaft 13 a serving as a stopper shaft provided on the hook lever 14 . Here, the shaft 13a and the shaft 14c are configured to be parallel to each other. In addition, the size and position of the stopper 13 are determined so that when the cover opening button 7 is pressed, the pressing part 7 a does not press the hook lever 14 but only the stopper 13 .
即，在本实施方式的盖开放装置8中采用如下的结构：如果停止器13没有形成于钩杆14，则即使按压盖开放按钮7，盖3也不打开。That is, in the lid opening device 8 of the present embodiment, the lid 3 is not opened even if the lid opening button 7 is pressed unless the stopper 13 is formed on the hook lever 14 .
关于停止器13，在通常时，借助于作为停止器弹簧的弹簧23(参照图8的B)，在侧面观察时，主面13b被从下向接近钩杆14的第1面14d的方向(方向A2)施力。另外，停止器13具有在主面13b与钩杆的主面(第1面14d)大致平行时转动被限制的限制部。Regarding the stopper 13, in normal time, the main surface 13b is pushed toward the first surface 14d of the hook lever 14 from below when viewed from the side by means of the spring 23 (refer to B in FIG. 8 ) as the stopper spring ( Apply force in direction A2). In addition, the stopper 13 has a restricting portion that restricts rotation when the main surface 13b is substantially parallel to the main surface (first surface 14d ) of the hook lever.
这里，对停止器13施力的弹簧23和对钩杆14施力的作为钩弹簧的弹簧24被调整成：对停止器13施力的弹簧23的作用力比对钩杆14施力的弹簧24的作用力大。并且，对钩杆14施力的弹簧24的作用力被调整成这样的程度：在通常时(锅2内的压力小于规定压力(是能够任意确定的压力，作为一例，例如仪表压为5kPa(绝对压为1.05个大气压(105kPa))时)，通过使用者按下盖开放按钮7的程度的力，盖3会打开。Here, the spring 23 that urges the stopper 13 and the spring 24 that is a hook spring that urges the hook lever 14 are adjusted so that the force of the spring 23 that urges the stopper 13 is greater than that of the spring that urges the hook lever 14. 24 has a large force. And, the active force of the spring 24 to the hook lever 14 is adjusted to such a degree: in normal time (the pressure in the pot 2 is less than the prescribed pressure (the pressure that can be determined arbitrarily, as an example, for example, the instrument pressure is 5kPa ( When the absolute pressure is 1.05 atmospheres (105 kPa)), the lid 3 is opened with a force of the degree that the user presses the lid opening button 7 .
在图8的B的状态、即未对煮饭器50的锅2施加高压的状态下，当按压盖开放按钮7时，停止器13被按压部7a按压。由此，与停止器13一同，钩杆14的第1面14d被向下方向按压，钩杆14以轴14c为中心向图8的B的A1所示的方向转动。由此，卡止部14b与煮饭器主体1的上框1b的端部1c的卡定松脱，而盖3打开。对停止器13和钩杆14的结构以及详细的动作进行追加说明。In the state of B of FIG. 8 , that is, in the state where high pressure is not applied to the pot 2 of the rice cooker 50, when the lid opening button 7 is pressed, the stopper 13 is pressed by the pressing portion 7a. Thereby, together with the stopper 13, the first surface 14d of the hook lever 14 is pressed downward, and the hook lever 14 rotates about the shaft 14c in the direction indicated by A1 of B in FIG. 8 . Thereby, the locking of the locking part 14b and the end part 1c of the upper frame 1b of the rice cooker main body 1 is released, and the lid 3 is opened. The configuration and detailed operation of the stopper 13 and the hook lever 14 will be additionally described.
在本实施方式中，对停止器13施力的弹簧24的作用力像上述那样被调整为比钩杆14的弹簧23的作用力大。由此，停止器13在通常状态下不会相对于钩杆14转动，钩杆14与停止器13一同转动，钩杆14向方向A1旋转，锁定松脱，盖3打开。In the present embodiment, the urging force of the spring 24 urging the stopper 13 is adjusted to be larger than the urging force of the spring 23 of the hook lever 14 as described above. Therefore, the stopper 13 does not rotate relative to the hook lever 14 in the normal state, and the hook lever 14 rotates together with the stopper 13, and the hook lever 14 rotates in the direction A1, the lock is released, and the cover 3 is opened.
[锁定装置的作用][Function of the locking device]
接着，对作为本实施方式的锁定装置的盖开放装置8的动作进一步详细地进行说明。Next, the operation of the lid opening device 8 as the locking device of the present embodiment will be described in more detail.
图9的A和图9的B是示出作为本发明的实施方式的锁定装置的盖开放装置8的动作的剖视图。图9的A是示出该盖开放装置8的盖3关闭的状态下的结构的图。图9的B是示出该盖开放装置8的、在容器内压力小于规定压力的通常状态下按压盖开放按钮7的情况下的结构的图。图9的C是示出该盖开放装置8的、在容器内压力为规定压力以上的状态下按压盖开放按钮7的情况下的结构的图。另外，在图9的A～图9的C中，省略了上外轮廓部件3a。9A and 9B are cross-sectional views showing the operation of the lid opening device 8 as the locking device according to the embodiment of the present invention. A of FIG. 9 is a diagram showing the configuration of the lid opening device 8 in a state where the lid 3 is closed. B of FIG. 9 is a diagram showing the configuration of the lid opening device 8 when the lid opening button 7 is pressed in a normal state where the pressure inside the container is lower than a predetermined pressure. C of FIG. 9 is a diagram showing the configuration of the lid opening device 8 when the lid opening button 7 is pressed while the container internal pressure is equal to or higher than a predetermined pressure. In addition, in Fig. 9A to Fig. 9C, the upper outer profile member 3a is omitted.
首先，如图9的A所示，在盖3关闭的状态下，卡止部14b呈与煮饭器主体1的上框1b的端部1c(在图9的A中未图示。参照图8的A)卡定的状态。在该状态下，停止器13的主面13b与钩杆14的第1面14d在侧面观察时彼此平行，且位于大致相同的高度。假想在该状态下使用者为了打开盖3而按压盖开放按钮7的情况。First, as shown in A of FIG. 9 , in the state where the cover 3 is closed, the locking portion 14 b is in contact with the end 1 c of the upper frame 1 b of the rice cooker main body 1 (not shown in A of FIG. 9 . Refer to the drawing 8 A) The stuck state. In this state, the main surface 13b of the stopper 13 and the 1st surface 14d of the hook lever 14 are parallel to each other in side view, and are located in substantially the same height. It is assumed that the user presses the cover open button 7 to open the cover 3 in this state.
如图9的B所示，在容器内的压力小于规定的压力(例如，1.05个大气压)的情况下(通常状态)，当按压盖开放按钮7时，按压部7a(参照图8的B)按压停止器13的主面13b。此时，由于弹簧23对停止器13施加的作用力被调整为比弹簧24对钩杆14施加的作用力大，因此停止器13与钩杆14共同转动。然后，停止器13的主面13b下侧的、在侧面观察时设置于轴13a的相反侧的末端的末端部13c与制动部18的抵接部18a抵接，由此钩杆14和停止器13的转动停止。在该状态下，当卡止部14b与煮饭器主体1的上框1b的端部1c的卡定松脱时，借助扭转螺旋弹簧的作用，盖3打开。As shown in B of FIG. 9 , when the pressure in the container is lower than a predetermined pressure (for example, 1.05 atmospheres) (normal state), when the lid opening button 7 is pressed, the pressing portion 7a (refer to B of FIG. 8 ) The main surface 13b of the stopper 13 is pressed. At this time, since the force exerted by the spring 23 on the stopper 13 is adjusted to be greater than the force exerted by the spring 24 on the hook rod 14 , the stopper 13 and the hook rod 14 rotate together. Then, the end portion 13c of the lower side of the main surface 13b of the stopper 13, which is provided on the opposite side of the shaft 13a in side view, abuts against the abutting portion 18a of the stopper 18, whereby the hook lever 14 and the stopper 13a come into contact with each other. The rotation of the device 13 stops. In this state, when the engagement between the locking portion 14b and the end portion 1c of the upper frame 1b of the rice cooker main body 1 is released, the lid 3 is opened by the action of the torsion coil spring.
接下来，假想容器内的压力处于规定的压力(例如1.05个大气压)以上的情况(高压状态)。例如，通常，由于煮饭步骤在1.2个大气压时进行，因此煮饭步骤中成为高压状态。在这样的情况下，使用图8的A进行说明，随着锅2内的压力上升，盖3经由内盖4被向上方推压。由此，卡止部14b与煮饭器主体1的上框1b的端部1c之间的卡定部分处的摩擦力变得非常大。即，与容器内的压力较低的通常状态相比，钩杆14的转动非常难。Next, it is assumed that the pressure in the container is equal to or higher than a predetermined pressure (for example, 1.05 atmospheres) (high pressure state). For example, usually, since the rice cooking step is performed at 1.2 atmospheric pressure, it becomes a high-pressure state in a rice cooking step. In such a case, as described using A of FIG. 8 , lid 3 is pushed upward via inner lid 4 as the pressure in pot 2 rises. Thereby, the frictional force at the locking part between the locking part 14b and the end part 1c of the upper frame 1b of the rice cooker main body 1 becomes very large. That is, the rotation of the hook lever 14 is very difficult compared to a normal state where the pressure inside the container is low.
这里，对钩杆14施力的弹簧24的作用力以及对停止器13施力的弹簧23的作用力都被调整为比高压状态下的卡止部14b与煮饭器主体1的上框1b的端部1c之间的摩擦力小。由此，在高压状态下，即使按压了盖开放按钮7，钩杆14也不进行动作，确保了安全性。Here, the urging force of the spring 24 urging the hook lever 14 and the urging force of the spring 23 urging the stopper 13 are all adjusted to be lower than the upper frame 1b of the rice cooker main body 1 under the high pressure state. The frictional force between the ends 1c is small. As a result, even if the lid release button 7 is pressed in a high-pressure state, the hook lever 14 does not operate, thereby ensuring safety.
假想在这样的高压状态下按压盖开放按钮7的情况。于是，如图9的C所示，按压部7a与停止器13的主面13b抵接，对停止器13进行作用使其以轴13a为中心转动。此时，由于卡止部14b与煮饭器主体1的上框1b的端部1c的卡定部分处的摩擦力非常大，因此钩杆14不进行动作。即，停止器13相对于钩杆14转动。并且，停止器13的转动因停止器13的末端部13c与制动部18的抵接部18a抵接而停止。Assume that the lid release button 7 is pressed in such a high-pressure state. Then, as shown in C of FIG. 9 , the pressing portion 7 a comes into contact with the main surface 13 b of the stopper 13 , and acts to rotate the stopper 13 around the shaft 13 a. At this time, since the friction force at the locking portion 14b and the end 1c of the upper frame 1b of the rice cooker main body 1 is very large, the hook lever 14 does not move. That is, the stopper 13 rotates relative to the hook lever 14 . Then, the rotation of the stopper 13 is stopped by the abutment of the distal end portion 13c of the stopper 13 and the contact portion 18a of the brake portion 18 .
这里，停止器13以轴13a为中心进行转动，其末端部13c与抵接部18a抵接，从而停止器13的面向附图(图9的C)向右方和下方的移动被限制。由此，即使使用者进一步按压盖开放按钮7，由于停止器13被制动部18的抵接部18a限制动作，因此停止器13不进行动作。并且，由于停止器13不进行动作，因此轴13a的部分也无法进行动作，并且，即使按压盖开放按钮7，由于该力不会施加到钩杆14，因此钩杆14也不进行动作。由此，即使在该状态下持续按压盖开放按钮7，且这期间锅2内的压力下降，卡止部14b与煮饭器主体1的上框1b的端部1c的卡定部分处的摩擦力有所变小，由于钩杆14不进行动作，因此锁定不会松脱离，盖3也不会打开，能够确保安全性。Here, the stopper 13 rotates around the shaft 13a, and its end portion 13c abuts against the contact portion 18a, so that the rightward and downward movement of the stopper 13 facing the drawing (C in FIG. 9 ) is restricted. Accordingly, even if the user further presses the lid open button 7 , the stopper 13 does not operate because the stopper 13 is restricted from moving by the contact portion 18 a of the brake portion 18 . And, since the stopper 13 does not operate, the portion of the shaft 13a cannot operate, and even if the lid opening button 7 is pressed, the hook lever 14 does not operate because the force is not applied to the hook lever 14 . Therefore, even if the lid opening button 7 is continuously pressed in this state, and the pressure in the pot 2 drops during this period, the friction between the locking portion 14b and the locking portion of the end 1c of the upper frame 1b of the rice cooker main body 1 will The power becomes smaller, because the hook bar 14 does not move, so the lock will not loosen and the cover 3 will not be opened, so safety can be ensured.
这里，关于即使卡止部14b与煮饭器主体1的上框1b的端部1c的卡定部分处的摩擦力有所变小锁定也不会松脱，是因为像上述那样，当盖开放按钮7呈被按压的状态时，停止器13的动作被限制，设置在钩杆14上的轴13a的部分会被固定，因此钩杆14不进行动作。即，通过使钩杆14的轴14c与停止器13的轴13a独立、而且将停止器13的轴13a设置在钩杆14上，能够实现这样的效果。Here, even if the frictional force between the locking part 14b and the locking part of the end 1c of the upper frame 1b of the rice cooker main body 1 becomes smaller, the locking will not be released. When the button 7 is pressed, the movement of the stopper 13 is restricted, and the portion of the shaft 13a provided on the hook lever 14 is fixed, so the hook lever 14 does not operate. That is, by making the shaft 14c of the hook lever 14 independent from the shaft 13a of the stopper 13 and providing the shaft 13a of the stopper 13 on the hook lever 14, such an effect can be achieved.
另外，在本实施方式中，停止器13和钩杆14都由金属构成。然而，本发明不限于该例，例如也可以由树脂等构成。In addition, in this embodiment, both the stopper 13 and the hook lever 14 are made of metal. However, the present invention is not limited to this example, and may be made of resin, for example.
并且，在本实施方式中示出钩杆14在第1面14d具有孔部14g、在孔部14g中形成有停止器13的例子，但本发明不限于该例。孔部14g不是一定必需的，只要是在按压盖开放按钮7时停止器13与钩杆14一同旋转的结构即可。Moreover, in this embodiment, although the example in which the hook lever 14 has the hole part 14g in the 1st surface 14d, and the stopper 13 is formed in the hole part 14g was shown, this invention is not limited to this example. The hole portion 14g is not absolutely necessary, and any structure is required as long as the stopper 13 rotates together with the hook lever 14 when the lid opening button 7 is pressed.
并且，示出了在钩杆14的第2面14e上设置有一对延设部14f的例子，但本发明不限于该例。例如，可以是设置单个延设部14f的结构，也可以是设置三个以上的延设部14f的结构。Moreover, although the example in which the pair of extension part 14f was provided in the 2nd surface 14e of the hook lever 14 was shown, this invention is not limited to this example. For example, a single extended portion 14f may be provided, or a structure provided with three or more extended portions 14f may be used.
此外，不限于图示的结构的煮饭器50，作为本实施方式的锁定装置的盖开放装置8可以广泛应用于各种结构的煮饭器、甚至是带盖容器。In addition, not limited to the rice cooker 50 of the structure shown in figure, the lid opener 8 which is a locking device of this embodiment can be widely applied to the rice cooker of various structures, and even a container with a lid.
如上所述，作为本实施方式的锁定装置的盖开放装置8是用于具有盖3和煮饭器主体1的带盖容器的锁定装置。并且，具有：钩轴14c，其设置在盖3侧；钩杆14，其保持于钩轴14c，通过向规定方向的转动而使盖3相对于煮饭器主体1锁定；以及设置于煮饭器主体1的作为保持部的端部1c，其通过摩擦来保持钩杆14。并且，钩杆14具有：停止器轴13a，其与钩轴14c平行设置；盖开放按钮7，其在打开盖3时被按下；停止器13，其保持于停止器轴13a，由盖开放按钮7按下；停止器弹簧23，其向规定方向(A2方向)对停止器13施力；以及钩弹簧24，其向规定方向(A2方向)对钩杆14施力。并且，停止器弹簧23的作用力构成为比钩弹簧24的作用力强。当在容器内的压力小于规定压力的状态下按下停止器13时，停止器13和钩杆14都向规定方向的相反方向(A1方向)转动，保持部对钩杆14的锁定被解除。另一方面，构成为：当在容器内的压力为规定压力以上的状态下按下停止器13时，仅停止器13向规定方向的相反方向(A1方向)转动，钩杆14不转动，保持部对钩杆14的锁定不解除。As described above, the lid opening device 8 which is the locking device of the present embodiment is a locking device for a covered container having the lid 3 and the rice cooker main body 1 . In addition, there are: a hook shaft 14c provided on the side of the cover 3; a hook lever 14 held on the hook shaft 14c to lock the cover 3 relative to the rice cooker main body 1 by turning in a predetermined direction; The end portion 1c of the main body 1 as a holding portion holds the hook rod 14 by friction. And, the hook lever 14 has: a stopper shaft 13a, which is provided in parallel with the hook shaft 14c; a cover opening button 7, which is pressed when opening the cover 3; and a stopper 13, which is held on the stopper shaft 13a, and which is opened by the cover The button 7 is pressed; the stopper spring 23 urges the stopper 13 in a predetermined direction (A2 direction); and the hook spring 24 urges the hook lever 14 in a predetermined direction (A2 direction). Furthermore, the urging force of the stopper spring 23 is configured to be stronger than the urging force of the hook spring 24 . When the stopper 13 is pressed when the pressure in the container is lower than the specified pressure, both the stopper 13 and the hook lever 14 rotate in the opposite direction (A1 direction) to the specified direction, and the locking of the hook lever 14 by the holding part is released. On the other hand, it is configured such that when the stopper 13 is pressed when the pressure in the container is higher than a predetermined pressure, only the stopper 13 rotates in the opposite direction (A1 direction) to the predetermined direction, and the hook lever 14 does not rotate, and holds the The locking of the hook lever 14 is not released.
通过这样的结构而能够提供如下的锁定装置：即使是保持为在容器的内压较高的状态下按下了解除按钮的状态、并且容器内的压力在该状态下有所降低这样的情况下，能够实现仅停止器13转动、钩杆14不进行动作的结构，从而盖3不会打开。With such a structure, it is possible to provide a locking device even when the release button is kept in a state where the internal pressure of the container is high and the pressure in the container is lowered in this state. , a structure in which only the stopper 13 rotates and the hook lever 14 does not move can be realized, so that the cover 3 will not be opened.
并且，也可以在盖3侧具有抵接部18a，当在容器内的压力为规定压力以上的状态下按下停止器13时，该抵接部18a保持停止器13的末端部13c。并且，也可以构成为：在按下了盖开放按钮7的状态下，即使是容器内的压力比规定压力小的情况下，停止器13的末端部13c也会与抵接部18a抵接而限制停止器13的转动，从而钩杆14不转动。In addition, a contact portion 18a may be provided on the cap 3 side to hold the end portion 13c of the stopper 13 when the stopper 13 is pressed while the pressure in the container is equal to or higher than a predetermined pressure. In addition, it may be configured such that the end portion 13c of the stopper 13 abuts against the abutting portion 18a even if the pressure in the container is lower than a predetermined pressure in a state where the lid opening button 7 is pressed. The rotation of the stopper 13 is restricted so that the hook lever 14 does not rotate.
这样，通过构成为在按下停止器13的状态下末端部13c与抵接部18a抵接，在该状态下钩杆14不进行动作。由此，能够提供如下的锁定装置：即使在容器的内压较高的状态下操作盖开放按钮7、容器内的压力在该状态下有所降低的情况下，也能够更可靠地使盖3不打开。In this way, by configuring the end portion 13c to abut against the abutting portion 18a in a state in which the stopper 13 is pressed, the hook lever 14 does not operate in this state. Thus, it is possible to provide a locking device that can lock the lid 3 more reliably even when the lid opening button 7 is operated under a state where the internal pressure of the container is high and the pressure in the container is lowered in this state. Do not open.
此外，本实施方式的带盖容器具有上述的锁定装置。Moreover, the container with a lid of this embodiment has the above-mentioned locking device.
通过这样的结构能够提供如下的带盖容器：即使是保持为在容器的内压较高的状态下按下了解除按钮的状态、并且容器内的压力在该状态下有所降低这样的情况下，也能够实现仅停止器13转动，钩杆14不进行动作的结构，从而使盖3不打开。With such a structure, it is possible to provide a container with a lid even if the release button is kept in a state where the internal pressure of the container is high and the pressure inside the container is lowered in this state. , it is also possible to realize the structure that only the stopper 13 rotates and the hook lever 14 does not move, so that the cover 3 is not opened.
如上所述，根据本发明，即使是保持为在容器的内压较高的状态下按下了解除按钮的状态、并且容器内的压力在该状态下有所降低这样的情况下，也能够实现盖不打开这样的显著的效果。由此，本发明主要作为设置于压力煮饭器等带盖容器的盖的锁定装置以及使用该锁定装置的带盖容器等是有用的。As described above, according to the present invention, even when the release button is held in a state where the internal pressure of the container is high and the pressure in the container is lowered in this state, it is possible to achieve The lid does not open such a dramatic effect. Therefore, the present invention is useful mainly as a locking device for a lid provided in a container with a lid such as a pressure cooker, and a container with a lid using the locking device.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015056716AJP6273497B2 (en) | 2015-03-19 | 2015-03-19 | Locking device and container with lid using the same |
| JP2015-056716 | 2015-03-19 |
| Publication Number | Publication Date |
|---|---|
| CN105982532Atrue CN105982532A (en) | 2016-10-05 |
| CN105982532B CN105982532B (en) | 2019-11-15 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610082173.1AActiveCN105982532B (en) | 2015-03-19 | 2016-02-05 | Locking device and lidded container using locking device |
| Country | Link |
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| JP (1) | JP6273497B2 (en) |
| CN (1) | CN105982532B (en) |
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