Exhaust device, pressure cooker cover and pressure cookerTechnical Field
The invention relates to the technical field of household appliances, in particular to an exhaust device, a pressure cooker cover and a pressure cooker.
Background
The electric pressure cooker has become a common electric appliance in daily life. The electric pressure cooker is a practical cooking appliance. The multifunctional cooking device has incomparable advantages of other cooking appliances, can meet various cooking requirements, can quickly, safely and automatically realize various cooking modes, and has the characteristics of energy conservation and nutrition, thereby being very suitable for the requirements of modern people.
The existing electric pressure cooker mainly uses hands to pull the gravity pressure limiting valve to exhaust, so that a user is easily scalded by steam. In addition, the gravity pressure limiting valve has no reset function, and the pressure limiting valve needs to be manually closed when the gravity pressure limiting valve is used next time.
In order to prevent scalding a user, the related electric pressure cooker technology in the prior art utilizes a lever principle to open a pressure limiting valve. However, when the user needs to continuously exhaust, the user needs to press the exhaust button all the time, which is very inconvenient to operate.
Disclosure of Invention
In view of the above, the present invention provides an exhaust device, a pressure cooker cover and a pressure cooker, and mainly aims to facilitate the user to perform the exhaust operation and the pressure limiting valve resetting operation on the pressure cooker.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
in one aspect, an embodiment of the present invention provides a venting device for use in a pressure cooker, the venting device comprising:
the pressure limiting valve is used for being buckled on the exhaust pipe of the pressure cooker;
the ejector rod component is used for ejecting the pressure limiting valve to exhaust the pressure cooker exhaust pipe;
the control assembly is used for controlling the ejector rod assembly; wherein the control assembly comprises:
the control structure is arranged on the pressure cooker cover;
the pressing rod can move to a set position under the control of the control structure to apply an acting force on the ejector rod assembly so as to enable the ejector rod assembly to jack up the pressure limiting valve;
the limiting structure is arranged on an inner cover of the pressure cooker cover so as to limit the pressing rod to a set position;
when the pressure cooker exhausts, the control structure controls the pressing rod to move to a set position, and the limiting structure limits the pressing rod at the set position so that the pressure cooker continuously exhausts;
after the pressure cooker is exhausted, the pressing rod is controlled by the control structure to be far away from the set position, so that the pressure limiting valve is reset.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Preferably, the control structure can rotate relative to the surface cover of the pressure cooker cover; wherein,
and after the pressure cooker is exhausted, rotating the control structure to separate the pressing rod from the limiting structure and to enable the pressing rod to be far away from the set position.
Preferably, the control structure comprises a presser; the pressing piece is used for pressing the pressing rod so as to press the pressing rod to the set position.
Preferably, the control structure further comprises a handle; wherein,
the handle is used for being arranged on the pressure cooker cover and can rotate relative to the pressure cooker cover;
the pressing piece is mounted on the handle.
Preferably, the control structure further comprises a first return spring, wherein,
the first return spring is sleeved on the pressing rod and used for enabling the pressing rod to return from the set position.
Preferably, the control structure further comprises a second return spring, wherein,
the second return spring is respectively connected with the handle and the inner cover of the pressure cooker cover and is used for returning the rotated handle.
Preferably, the pressing lever includes: the first rod body, the second rod body and the third rod body are connected in sequence; wherein,
the first rod body is longitudinally arranged, and the upper end of the first rod body is connected with the control structure;
the third rod body is longitudinally arranged, a first clamping structure is arranged at the lower end of the third rod body, and the limiting structure comprises a second clamping structure matched with the first clamping structure;
the second rod body is transversely arranged, one end of the second rod body is connected with the lower end of the first rod body, and the other end of the second rod body is connected with the upper end of the third rod body;
when the pressing rod moves to a set position, the second rod body presses the ejector rod assembly while the third rod body is clamped with the limiting structure.
Preferably, the first rod body is provided with a connecting structure at a position close to the lower end face, and the second rod body is fixed with the connecting structure.
Preferably, the first clamping structure is arranged as a first protrusion connected with the third rod body; the second clamping structure is arranged into a second bulge which can be clamped with the first bulge.
Preferably, a first inclined plane is arranged on the first protrusion; a second inclined plane is arranged on the second bulge; wherein,
the first inclined plane and the second inclined plane are matched, so that the pressing rod enables the first protrusion to move downwards from the upper part of the second protrusion to the lower part of the second protrusion under the control of the control structure and be clamped with the second protrusion.
Preferably, the ram assembly comprises:
the upper end of the ejector rod is connected with the limiting valve;
a lever having a first end and a second end disposed opposite one another; wherein the first end of the lever is positioned below the ejector rod;
when the pressing rod moves to a set position, the pressing rod can press the second end of the lever to enable the first end of the lever to move upwards and drive the ejector rod to move upwards to enable the ejector rod to jack the pressure limiting valve.
Preferably, the jack assembly further comprises a third return spring for returning the raised jack; the third return spring is sleeved on the ejector rod, one end of the third return spring is limited by a face cover of the pressure cooker cover, and the other end of the third return spring is limited by the lever.
In another aspect, an embodiment of the present invention provides a pressure cooker cover, wherein the pressure cooker cover includes:
a face cover;
the inner cover is connected with the face cover to form a cover body structure with a hollow cavity;
the exhaust apparatus of any of the above; wherein, the pressure limiting valve, the ejector rod assembly and the limiting structure are arranged in the hollow cavity.
In a further aspect, embodiments of the present invention provide a pressure cooker, wherein the pressure cooker includes the pressure cooker lid described above.
Compared with the prior art, the exhaust device, the pressure cooker cover and the pressure cooker have the following beneficial effects:
when the pressure cooker needs to exhaust, the exhaust device provided by the embodiment of the invention only needs to operate the control structure on the cooker cover surface cover of the pressure cooker by a user, so that the pressing rod moves to the set position to apply an acting force to the ejector rod assembly, and the ejector rod assembly jacks up the pressure limiting valve to exhaust the exhaust pipe of the pressure cooker. Because the limit structure that sets up on the pressure cooker pot cover inner cover can be spacing the pressure bar in the settlement position always, realizes the continuation exhaust of pressure cooker blast pipe, need not the user and always operates control structure for exhaust easy operation. In addition, after the pressure cooker is exhausted, the user can move the pressing rod from the set position through the control structure. In summary, the exhaust device provided by the embodiment of the invention is convenient for a user to perform exhaust operation and pressure limiting valve resetting operation on the pressure cooker.
Furthermore, the exhaust device provided by the embodiment can rotate relative to the panel of the pressure cooker cover through the control structure, and can separate the pressing rod from the limiting structure through rotating the control structure, so that the pressing rod is far away from the set position, the pressure limiting valve is reset, and the operation is simple.
Furthermore, the exhaust device provided by the embodiment of the invention can realize the effects of continuous exhaust after one pressure and resetting after one rotation by enabling the control structure to comprise the pressing piece for pressing the pressing rod and the handle which is used for arranging the pressing piece and can rotate relative to the pressure cooker cover.
On the other hand, embodiments of the present invention provide a pressure cooker cover and a pressure cooker, which have any of the above beneficial effects because the pressure cooker cover and the pressure cooker include the above exhaust apparatus, and therefore, the detailed description is omitted here.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic sectional view of a cover of a pressure cooker according to an embodiment of the present invention;
fig. 2 is another schematic sectional view of a cover of a pressure cooker according to an embodiment of the present invention;
FIG. 3 is a schematic sectional view of a pressure cooker lid according to an embodiment of the present invention when the pressure limiting valve is opened;
FIG. 4 is a schematic structural view of a cover for a pressure cooker, according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a schematic structural view of a cover of a pressure cooker during venting operation according to an embodiment of the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 6;
FIG. 8 is a schematic view of another embodiment of a lid of a pressure cooker according to the present invention;
FIG. 9 is an enlarged view of the structure of FIG. 8 at C;
FIG. 10 is a schematic structural view illustrating the rotation of the handle to reset the limiting valve after the exhaust of the pressure cooker lid according to the embodiment of the present invention is completed;
FIG. 11 is an enlarged view of the structure of FIG. 10 at D;
FIG. 12 is a schematic structural view of a pressing lever according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a limiting structure provided in the embodiment of the present invention;
fig. 14 is another schematic structural diagram of a cover of a pressure cooker according to an embodiment of the present invention.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined object, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Example 1
The embodiment provides an exhaust device, which is used on a pressure cooker; specifically, as shown in fig. 1 to 11, the exhaust apparatus in the present embodiment includes: pressure limiting valve 4, ejector pin subassembly, control assembly. Wherein, the pressure limiting valve 4 is buckled on the exhaust pipe 3 of the pressure cooker. The ejector rod component is used for jacking the pressure limiting valve 4 to exhaust the pressure cooker exhaust pipe 3. The control assembly is used for controlling the ejector rod assembly; wherein, the control assembly includes: control structure, pressure pole 62 and limit structure 7. Wherein, the control structure is arranged on the pressure cooker cover. The pressing rod 62 can move to a set position under the control of the control structure to apply an acting force to the push rod assembly, so that the push rod assembly jacks up the pressure limiting valve 4. The limiting structure 7 is arranged on the inner cover 2 of the pressure cooker cover so as to limit the pressing rod 62 to a set position; when the pressure cooker exhausts, the control structure controls the pressing rod 62 to move to the set position, and the limiting structure 7 limits the pressing rod 62 at the set position, so that the pressure cooker continuously exhausts. After the pressure cooker is exhausted, the pressing rod 62 is controlled by the control structure to be away from the set position, so that the pressure limiting valve 4 is reset.
When the pressure cooker needs to exhaust, the exhaust device provided by the embodiment only needs to operate the control structure on the pressure cooker cover by a user, so that the pressing rod 62 moves to a set position to apply an acting force to the ejector rod assembly, and the ejector rod assembly jacks up the pressure limiting valve 4, so that the exhaust pipe 3 of the pressure cooker exhausts. Because the limit structure who sets up on the pressure cooker pot cover inner cup 2 can be spacing the pressure bar 62 in the settlement position always, realizes the lasting exhaust of pressure cooker blast pipe 3, need not the user and always operates control structure for exhaust easy operation. After the pressure cooker is exhausted, the user may move the pressing rod 62 from the set position by the control mechanism. In summary, the exhaust device provided by the embodiment facilitates the user to perform the exhaust operation and the pressure limiting valve resetting operation on the pressure cooker
Example 2
Preferably, the present embodiment provides an exhaust device, compared with the previous embodiment, the control structure in the present embodiment can rotate relative to the lid of the pressure cooker lid; as shown in fig. 6 and 7, and fig. 10 and 11, after the pressure cooker is exhausted, the control structure needs to be rotated to separate the pressing rod 62 from the limiting structure 7, so that the pressing rod 62 is far away from the set position, and the push rod assembly can be reset when not being acted by the pressing rod 62, and the pressure limiting valve 4 is buckled on the exhaust pipe of the pressure cooker again.
Through the arrangement, the resetting of the pressure limiting valve 4 can be realized only by slightly rotating the control structure by a user, and the operation is simple.
Example 3
Preferably, compared with the above embodiments, as shown in fig. 1 to 10, the control structure in this embodiment includes a pressing member 61. Wherein, the pressing piece 61 is used for pressing the upper end of the pressing rod 62 to press the pressing rod 62 to the set position. Preferably, the pressing member 61 may be configured as a button, a key, or the like.
Preferably, the control structure in this embodiment further comprises a handle 63; wherein, the handle 63 is used for being arranged on the pressure cooker cover and can rotate relative to the flour cover 1; the pressing piece 61 is mounted on the handle 63. Preferably, the holding part of the handle 63 is arranged on the surface cover of the pressure cooker cover, and the lower end of the handle 63 is arranged in the pressure cooker cover and is connected with the inner cover through a rotating mechanism.
Preferably, the control structure further comprises a first return spring 64, wherein the first return spring 64 is sleeved on the pressing rod 62 and is used for returning the pressing rod 62 and the pressing piece 61 from the set position to the initial position. Preferably, as shown in fig. 3, the pressing rod 62 is inserted into the handle 63 from the lower end of the handle to be connected to the pressing piece 61 mounted on the handle 63. Wherein, a fastening member 621 (e.g., a screw) is installed at the top end of the pressing rod 62, and a gasket 622 is installed between the fastening member 621 and the pressing rod 62. Wherein the gasket 622 and the inner bottom of the handle 63 limit the first return spring 64 on the pressing rod 62. Preferably, a spring for returning the pressing member 61 is further installed at the upper end of the pressing rod 62, and the spring is retained by the fastening member 621 and the pressing member.
Preferably, the control structure further comprises a second return spring 65, wherein the second return spring 65 is respectively connected with the handle 63 and the inner lid 2 of the pressure cooker lid, for returning the rotated handle 63.
The exhaust apparatus that this embodiment provided through above-mentioned setting, after the pressure cooker exhaust, only need remove the handle a little, can realize that control assembly, ejector pin subassembly and pressure limiting valve reset. In addition, the embodiment can be realized without arranging a handle, and only the pressing piece is required to be arranged to rotate relative to the pressure cooker cover.
Example 4
Preferably, in the present embodiment, compared to the above embodiments, as shown in fig. 11 and 12, the pressing rod 62 in the present embodiment includes a first rod 623, a second rod 622, and a third rod 621 connected in sequence. Wherein, the upper end of the first lever 623 is connected with the control structure. When the pressing lever 62 is moved to the set position, the second lever body 622 presses the jack assembly. The lower end of the third rod 621 is configured as a first engaging structure, and the limiting structure includes a second engaging structure adapted to the first engaging structure. The second rod 622 is transversely arranged, one end of the second rod 622 is connected with the lower end of the first rod 623, and the other end of the second rod 622 is connected with the upper end of the third rod 621; when the pressing rod 62 moves to the set position, the second rod 622 presses the rod assembly while the third rod 621 is engaged with the limiting structure.
Through the above arrangement, the embodiment sets the pressing rod into a vertical, horizontal and vertical hook structure (wherein, the hook refers to a first clamping structure), so that the pressing rod structure is simple and ingenious in design, namely, the first rod body is mainly used for vertically moving up and down along with the pressing piece, the second rod body is designed into a transverse rod body, and on one hand, when the lever is pressed (see embodiment 5 for details), the ejector rod assembly comprises the lever), the third rod body is clamped with a limiting structure positioned on the side part of the lever. On the other hand, it is still convenient that the third body of rod breaks away from limit structure's block, only need control structure drive press the depression bar rotate a little can.
Preferably, the first rod 623 is provided with a connecting structure 624 at a position close to the lower end surface, and the second rod 622 is fixed with the connecting structure 624. Through the above arrangement, the second rod body (cross rod) is eccentrically connected with the lower end of the first rod body 623 (i.e., not connected to the lower end face of the first rod body 623), and through the arrangement, when the first rod body 623 is arranged in the handle cavity, a transverse transition is formed between the first rod body 623 and the second rod body 622, so that the second rod body 622 can be transited to the outside of the handle cavity. In addition, this transverse transition can cooperate with the second rod to press the lever. Preferably, the connecting structure 624 can be a connecting member, which is integrated with the first rod, and the cover connecting member is fastened or fixed with the second rod.
As shown in fig. 11, the first engaging structure is configured as a first protrusion connected to the third rod 621; as shown in fig. 12, the second engaging structure on the limiting structure 7 is configured as a second protrusion capable of engaging with the first protrusion. Preferably, the first protrusion is provided with a first inclined plane; a second inclined plane is arranged on the second bulge; the first inclined plane and the second inclined plane are matched, so that the first protrusion moves downwards from the upper part of the second protrusion to the lower part of the second protrusion under the control of the control structure by the pressing rod, and is clamped with the second protrusion.
Preferably, as shown in fig. 9 and 14, a limiting groove 9 is formed on the inner lid of the pressure cooker lid, the limiting structure 7 is installed on the limiting groove 9, and the position of the limiting structure 7 is limited by the fourth return spring 8. When the pressing rod moves downwards, the limiting structure can move slightly under the action of the pressing rod, so that the first protrusion moves to the lower part of the second protrusion, the limiting structure resets under the action of the fourth reset spring 8, the first protrusion cannot move upwards under the clamping of the second protrusion, and the limiting structure is kept at a set position under the limiting position of the limiting structure 7.
Example 5
Preferably, the present embodiment provides an exhaust apparatus, as shown in fig. 1 to 11, compared to the above embodiments, the ejector assembly of the present embodiment includes: a push rod 51 and a lever 53. The upper end of the mandril 51 is connected with the limit valve 4. The lever 53 has first and second ends disposed opposite each other; wherein the first end of the lever 53 is located below the push rod 51. When the pressing rod 62 moves to the set position, the pressing rod 62 can press the second end of the lever 53, so that the first end of the lever 53 moves upwards, and the push rod 51 is driven to move upwards, so that the push rod 51 pushes up the pressure limiting valve 4. The ram assembly also includes a third return spring 52; the third return spring 52 is sleeved on the push rod 51, and the third return spring 52 is fixed to a surface cover of the pressure cooker lid (specifically, the third return spring is limited by the surface cover and a lever arranged at the lower end of the push rod) and is used for returning the rising push rod 51.
Example 6
On the other hand, the present embodiment provides a pressure cooker lid, as shown in fig. 1 to 11, the pressure cooker lid in the present embodiment includes: a face cover 1, an inner cover 2 and the exhaust device of any of the above embodiments. Wherein, the face cover 1 is connected with the inner cover 2 to form a cover body structure with a hollow cavity. Wherein, the pressure limiting valve 4, the ejector rod component and the limiting structure 7 are arranged in the hollow cavity.
In this embodiment, the pressure limiting valve 4, the rod assembly, the limiting structure 7 and the pressing rod 62 of the exhaust device are all located in the hollow cavity. Preferably, as shown in fig. 14, the inner lid 2 is provided with a limiting groove 9, wherein the limiting structure 7 is installed in the limiting groove 9.
Example 7
In another aspect, the present embodiment provides a pressure cooker, wherein the pressure cooker comprises the pressure cooker lid of embodiment 6. Preferably, the pressure cooker in this embodiment is an electric pressure cooker.
Since the pressure cooker in this embodiment includes the cover of the pressure cooker in the previous embodiment and further includes the exhaust device in the previous embodiment, the beneficial effects of the foregoing embodiments are achieved, and details are not repeated herein.
In summary, the specific structural state of the exhaust device of the pressure cooker provided by the present embodiment is as shown in fig. 4 and 5 when the pressure cooker is not exhausting. When the pressure cooker is exhausted, as shown in fig. 6 and 7, the pressing piece 61 on the handle 63 is pressed, the pressing rod 62 moves downwards under the action of the pressing piece 61, the limiting structure 7 limits the pressing rod 62 to a set position, at this time, the pressing rod 62 presses one end of the lever 53 in the push rod assembly, and accordingly, the other end of the lever 53 applies an upward moving force to the push rod 51 to jack up the pressure limiting valve 4, so that continuous exhaust is realized. As shown in fig. 10 and 11, after the air exhaust is finished, the handle 63 is rotated slightly to separate the stopper structure 7 from the pressing rod 62, and the pressing rod 62 and the pressing piece 61 are reset by the first return spring 64. The rotated handle 63 is returned by the second return spring 65. The mandril 51 is reset under the action of the third reset spring, and the pressure limiting valve 4 is reset.
To sum up, the exhaust device, the pressure cooker cover and the pressure cooker provided by the embodiment of the invention only need to operate the control structure on the pressure cooker cover surface cover by a user when the pressure cooker needs to exhaust, so that the pressing rod moves to a set position to apply an acting force to the ejector rod assembly, and the ejector rod assembly jacks up the pressure limiting valve to exhaust the exhaust pipe of the pressure cooker. Because the limit structure who sets up on the pressure cooker pot cover inner cover can be spacing to the settlement position according to the pressure lever always, realizes the continuation exhaust of pressure cooker blast pipe, need not the user and always operates control structure for exhaust easy operation. In addition, after the pressure cooker is exhausted, the user can move the pressing rod from the set position through the control structure. Therefore, the exhaust device provided by the embodiment of the invention is convenient for a user to perform exhaust operation and pressure limiting valve resetting operation on the pressure cooker.
From the foregoing, it will be readily appreciated by those skilled in the art that the advantageous modes described above can be freely combined, superimposed, without conflict.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.