CN112021866A

Movatterモバイル変換

Info

Publication number: CN112021866A
Application number: CN202010997609.6A
Authority: CN
Inventors: 麦克尔·如佛·山姆
Original assignee: Tutti Bambini Xiamen Trade Co ltd
Current assignee: Tutti Bambini Xiamen Trade Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-12-04

Abstract

The invention discloses a bed structure, comprising: polygonal frame, polygonal frame includes two at least telescopic links that are parallel to each other, polygonal frame follows the telescopic link is flexible to be changed and has expansion state and shrink state, last rotation connection of polygonal frame has the stabilizer blade that can support polygonal frame, the stabilizer blade is rotatable to be accomodate to shrink state within the polygonal frame, last demountable installation of polygonal frame has the ascending storage basket of opening. When accomodating, demolish the storing basket from polygonal frame with last bed structure, then shrink the telescopic link on the polygonal frame so that the multi-deformation frame reduces, accomodate after each stabilizer blade rotates within the polygonal frame of contraction status to receive the bed structure and fold into the platykurtic, reduce storage space greatly, conveniently carry and transport.

Description

Translated fromChinese

一种床结构a bed structure

技术领域technical field

本发明涉及一种床结构。The present invention relates to a bed structure.

背景技术Background technique

儿童在成长的过程中,需要用到婴儿床、游戏围栏床等各种床结构，这些床结构占据的空间较大，无法收纳成较小的状态，不便于存放和携带。而且这些床结构功能单一，导致需要配置不同种类的床结构来达到满足相应的使用需求，造成使用成本较高，并且占据较多的家居空间。In the process of growth, children need to use various bed structures such as cribs and playpen beds. These bed structures occupy a large space and cannot be stored in a smaller state, which is not convenient for storage and carrying. Moreover, these beds have a single structure and function, which leads to the need to configure different types of bed structures to meet the corresponding use requirements, resulting in higher use costs and occupying more home space.

发明内容SUMMARY OF THE INVENTION

本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明提出一种收纳后体积较小、方便携带和运输的床结构。The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a bed structure that is small in volume after storage, and is convenient to carry and transport.

根据本发明实施例的一种床结构，包括：多边形框架，所述多边形框架包括至少两个相互平行的伸缩杆，所述多边形框架跟随所述伸缩杆伸缩变化而具有展开状态和收缩状态，所述多边形框架上转动连接有能够支撑所述多边形框架的支脚，所述支脚可转动收纳至收缩状态的所述多边形框架之内，所述多边形框架上可拆卸安装有开口向上的储存篮。A bed structure according to an embodiment of the present invention includes: a polygonal frame, the polygonal frame includes at least two mutually parallel telescopic rods, and the polygonal frame has an expanded state and a contracted state following the telescopic changes of the telescopic rods, so The polygon frame is rotatably connected with legs capable of supporting the polygon frame, the legs can be rotatably stored in the polygon frame in a retracted state, and a storage basket with an upward opening is detachably installed on the polygon frame.

根据本发明实施例的床结构，至少具有如下有益效果：The bed structure according to the embodiment of the present invention has at least the following beneficial effects:

本发明实施例的床结构在收纳时，将储物篮从多边形框架上拆除，然后将多边形框架上的伸缩杆收缩以使多变形框架缩小，各个支脚转动后收纳在收缩状态的多边形框架之内，从而将床结构收叠成扁平状，极大程度地减小存放空间，方便携带和运输。When the bed structure of the embodiment of the present invention is stored, the storage basket is removed from the polygonal frame, and then the telescopic rods on the polygonal frame are contracted to shrink the polymorphic frame, and each leg is rotated and stored in the contracted polygonal frame. , so that the bed structure is folded into a flat shape, the storage space is greatly reduced, and it is convenient to carry and transport.

在本发明的一些实施例中，所述多边形框架为矩形框架，所述矩形框架包括两条长杆和两条宽杆，所述长杆和/或所述宽杆为所述伸缩杆，所述矩形框架的四个边角处分别转动连接有一个所述支脚。In some embodiments of the present invention, the polygonal frame is a rectangular frame, the rectangular frame includes two long rods and two wide rods, the long rods and/or the wide rods are the telescopic rods, so The four corners of the rectangular frame are respectively rotatably connected with one of the supporting feet.

在本发明的一些实施例中，所述支脚与所述矩形框架之间设有用于锁定所述支脚的展开角度的弹性自锁机构。In some embodiments of the present invention, an elastic self-locking mechanism for locking the expansion angle of the support leg is provided between the support leg and the rectangular frame.

在本发明的一些实施例中，所述弹性自锁机构包括滑动设置在所述支脚上的滑块，所述滑块上设有定位凸部，所述矩形框架上设有与所述定位凸部相对应的定位凹槽，所述支脚与所述滑块之间设有驱使所述滑块靠近所述矩形框架的第一弹性件，所述支脚展开时，所述第一弹性件可驱使所述定位凸部移动至所述定位凹槽之内。In some embodiments of the present invention, the elastic self-locking mechanism includes a sliding block slidably arranged on the support feet, the sliding block is provided with a positioning protrusion, and the rectangular frame is provided with a positioning protrusion corresponding to the positioning protrusion. There is a positioning groove corresponding to the part, and a first elastic member that drives the slider to be close to the rectangular frame is provided between the support foot and the slider. When the support foot is unfolded, the first elastic member can drive the slider The positioning protrusion moves into the positioning groove.

在本发明的一些实施例中，位于所述宽杆两端的两个所述支脚之间可拆卸安装有一摇杆，所述摇杆具有与地面相接触的弧形段。In some embodiments of the present invention, a rocker is detachably installed between the two feet located at both ends of the wide rod, and the rocker has an arc-shaped section that contacts the ground.

在本发明的一些实施例中，所述摇杆上设有与所述弧形段的两端相连的安装接头，所述安装接头上设有向上延伸的插柱，所述支脚的底面上开设有与所述插柱相配合的插孔，所述插柱的表面上设有一圈防脱凹槽，所述支脚的侧壁上活动设置有沿所述插孔的径向伸缩运动的防脱卡片，所述防脱卡片上设有供所述插柱穿过的穿孔，所述防脱卡片连接有驱使所述穿孔的内侧壁抵靠在所述防脱凹槽的侧面的第二弹性件。In some embodiments of the present invention, the rocker is provided with installation joints connected to both ends of the arc-shaped segment, the installation joint is provided with an upwardly extending post, and the bottom surface of the support foot is provided with There is a socket matched with the socket, a ring of anti-drop grooves is arranged on the surface of the socket, and the side wall of the support foot is movably provided with anti-drop-off movement along the radial direction of the socket. A card, the slip-proof card is provided with a perforation for the insertion post to pass through, and the slip-proof card is connected with a second elastic member that urges the inner side wall of the perforation to abut against the side of the slip-proof groove .

在本发明的一些实施例中，所述储存篮由柔性编织物构成，所述储存篮的开口边缘与所述多边形框架相连，所述支脚上设有至少一个能够将所述储存篮的底部拉直的连接组件。In some embodiments of the present invention, the storage basket is made of flexible woven fabric, the open edge of the storage basket is connected to the polygonal frame, and the feet are provided with at least one piece capable of pulling the bottom of the storage basket Straight connection components.

在本发明的一些实施例中，所述支脚的中部和底部分别设置有一个所述连接组件，所述连接组件包括枢接在所述支脚上的连接座和连接于所述连接座与所述储存篮的底部之间的连接带。In some embodiments of the present invention, the middle part and the bottom of the support foot are respectively provided with one of the connecting components, and the connecting component includes a connecting seat pivotally connected to the support foot and a connecting seat connected to the connecting seat and the Attachment straps between the bottoms of the storage baskets.

在本发明的一些实施例中，所述伸缩杆包括内杆和活动套装在所述内杆外部的外杆，所述内杆和所述外杆的其一上沿其长度方向间隔分布有至少两个档位孔，所述内杆和所述外杆的另一上设有可与任一所述档位孔相结合的弹珠结构。In some embodiments of the present invention, the telescopic rod includes an inner rod and an outer rod movably sheathed outside the inner rod, and one of the inner rod and the outer rod is spaced along its length direction with at least There are two gear holes, and the other one of the inner rod and the outer rod is provided with a marble structure that can be combined with any of the gear holes.

在本发明的一些实施例中，所述支脚包括转动连接在所述多边形框架上的支管和伸缩设置在所述支管下端的单元管。In some embodiments of the present invention, the support feet include a branch pipe rotatably connected to the polygonal frame and a unit pipe telescopically arranged at the lower end of the branch pipe.

本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

附图说明Description of drawings

本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

图1为本发明的床结构处于展开状态的一种实施例的结构示意图；1 is a schematic structural diagram of an embodiment of the bed structure of the present invention in an unfolded state;

图2为本发明的床结构处于展开状态的另一种实施例的结构示意图；2 is a schematic structural diagram of another embodiment of the bed structure of the present invention in an unfolded state;

图3为图1或者图2实施例的床结构处于收缩状态的结构示意图；3 is a schematic structural diagram of the bed structure of the embodiment of FIG. 1 or FIG. 2 in a contracted state;

图4是图1实施例的弹性自锁机构与支脚和多边形框架相分离的结构分解示意图；4 is a schematic exploded view of the structure of the elastic self-locking mechanism of the embodiment of FIG. 1 separated from the legs and the polygonal frame;

图5是具有摇杆的床结构的一个实施例的结构示意图；Figure 5 is a schematic structural diagram of an embodiment of a bed structure with a rocker;

图6是图5实施例的摇杆与支脚相分离的结构分解示意图。FIG. 6 is a schematic exploded view of the structure in which the rocker and the support feet are separated in the embodiment of FIG. 5 .

具体实施方式Detailed ways

下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

在本发明的描述中，需要理解的是，涉及到方位描述，例如术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the present invention, it should be understood that orientation descriptions are involved, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal" "," "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating Or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

在本发明的描述中，若干的含义是一个或者多个，多个的含义是两个以上，大于、小于、超过等理解为不包括本数，以上、以下、以内等理解为包括本数。如果有描述到第一、第二只是用于区分技术特征为目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。In the description of the present invention, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

参见图1和图3，一种床结构，包括：多边形框架100，所述多边形框架100包括至少两个相互平行的伸缩杆200，所述多边形框架100跟随所述伸缩杆200伸缩变化而具有展开状态和收缩状态，多边形框架100能够沿着伸缩杆200的伸长方向拉伸达到展开状态，或者能够沿着伸缩杆200的缩短方向收缩达到收缩状态，所述多边形框架100上转动连接有能够支撑多边形框架100的支脚300，在展开状态下，所有支脚300与地面接触而形成稳定的支撑结构，所述支脚300可转动收纳至收缩状态的所述多边形框架100之内，所述多边形框架100上可拆卸安装有开口向上的储存篮600，其中储存篮600供儿童或者婴儿进行躺卧或者站立。本发明实施例的床结构在收纳时，将储物篮从多边形框架100上拆除，然后将多边形框架100上的伸缩杆200收缩以使多变形框架缩小，各个支脚300转动后收纳在收缩状态的多边形框架100之内，从而将床结构收叠成扁平状，极大程度地减小存放空间，方便携带和运输。1 and 3, a bed structure includes: apolygonal frame 100, thepolygonal frame 100 includes at least twotelescopic rods 200 parallel to each other, thepolygonal frame 100 follows the telescopic changes of thetelescopic rods 200 to expand state and retracted state, thepolygon frame 100 can be stretched along the extension direction of thetelescopic rod 200 to reach the expanded state, or can be contracted along the shortening direction of thetelescopic rod 200 to reach the retracted state, thepolygon frame 100 is rotatably connected with a support capable of supporting For thelegs 300 of thepolygonal frame 100, in the unfolded state, all thelegs 300 are in contact with the ground to form a stable support structure, and thelegs 300 can be rotatably stored in thepolygonal frame 100 in the retracted state, on the polygonal frame 100 Astorage basket 600 with an upward opening is detachably installed, wherein thestorage basket 600 is for children or infants to lie down or stand. When the bed structure of the embodiment of the present invention is stored, the storage basket is removed from thepolygonal frame 100, and then thetelescopic rod 200 on thepolygonal frame 100 is contracted to shrink the multi-deformable frame. Inside thepolygonal frame 100, the bed structure can be folded into a flat shape, which greatly reduces the storage space and facilitates portability and transportation.

参见图1和图2，在本发明的一些实施例中，所述多边形框架100为矩形框架，所述矩形框架包括两条长杆和两条宽杆，所述长杆和/或所述宽杆为所述伸缩杆200，所述矩形框架的四个边角处分别转动连接有一个所述支脚300。优选地，长杆和宽杆均为伸缩杆200，其中，在一些实施例中，伸缩杆200包括内杆210和活动套装在所述内杆210外部的外杆220，所述内杆210和所述外杆220的其一上沿其长度方向间隔分布有至少两个档位孔，所述内杆210和所述外杆220的另一上设有可与任一所述档位孔相结合的弹珠结构。1 and 2, in some embodiments of the present invention, thepolygonal frame 100 is a rectangular frame, and the rectangular frame includes two long bars and two wide bars, the long bars and/or the wide bars The rod is thetelescopic rod 200, and the four corners of the rectangular frame are respectively connected with one of the supportingfeet 300 in rotation. Preferably, both the long rod and the wide rod aretelescopic rods 200, wherein, in some embodiments, thetelescopic rod 200 includes aninner rod 210 and anouter rod 220 movably sheathed outside theinner rod 210, theinner rod 210 and At least two gear holes are spaced on one of theouter rods 220 along its length direction, and the other one of theinner rod 210 and theouter rod 220 is provided with any of the gear holes. Combined marble structure.

参见图3和图4，在本发明的一些实施例中，所述支脚300与所述矩形框架之间设有用于锁定所述支脚300的展开角度的弹性自锁机构400，弹性自锁机构400可以实现支脚300展开后快速固定，避免支脚300受到外力发生进一步转动。Referring to FIG. 3 and FIG. 4 , in some embodiments of the present invention, an elastic self-locking mechanism 400 for locking the deployment angle of thesupport foot 300 is provided between thesupport foot 300 and the rectangular frame. The elastic self-locking mechanism 400 Thesupport feet 300 can be quickly fixed after being unfolded, so as to prevent thesupport feet 300 from being further rotated by external force.

在本发明的一些实施例中，所述弹性自锁机构400包括滑动设置在所述支脚300上的滑块410，所述滑块410上设有定位凸部420，所述矩形框架上设有与所述定位凸部420相对应的定位凹槽430，所述支脚300与所述滑块410之间设有驱使所述滑块410靠近所述矩形框架的第一弹性件440，所述支脚300展开时，所述第一弹性件440可驱使所述定位凸部420移动至所述定位凹槽430之内，从而将支脚300固定。当需要折叠收纳本发明的床结构时，推动滑块410使得定位凸部420脱离定位凹槽430，然后转动支脚300至矩形框架之内。In some embodiments of the present invention, the elastic self-locking mechanism 400 includes asliding block 410 slidably arranged on thesupport foot 300 , thesliding block 410 is provided with a positioning protrusion 420 , and the rectangular frame is provided with The positioning groove 430 corresponding to the positioning protrusion 420 is provided with a firstelastic member 440 between thesupport leg 300 and theslider 410 to drive theslider 410 to approach the rectangular frame. When the 300 is unfolded, the firstelastic member 440 can drive the positioning protrusion 420 to move into the positioning groove 430 , so as to fix thesupport leg 300 . When the bed structure of the present invention needs to be folded and stored, thesliding block 410 is pushed to make the positioning protrusion 420 disengage from the positioning groove 430, and then thesupport feet 300 are rotated into the rectangular frame.

参见图5，在本发明的一些实施例中，位于所述宽杆两端的两个所述支脚300之间可拆卸安装有一摇杆500，所述摇杆500具有与地面相接触的弧形段。此时，带有摇杆500的床结构可作婴儿摇床使用，进一步扩展本发明的床结构的功能。Referring to FIG. 5 , in some embodiments of the present invention, arocker 500 is detachably installed between the twolegs 300 at both ends of the wide rod, and therocker 500 has an arc-shaped section that contacts the ground . At this time, the bed structure with therocker 500 can be used as a baby rocker, which further expands the function of the bed structure of the present invention.

参见图6，在本发明的一些实施例中，所述摇杆500上设有与所述弧形段的两端相连的安装接头510，所述安装接头510上设有向上延伸的插柱520，所述支脚300的底面上开设有与所述插柱520相配合的插孔310，所述插柱520的表面上设有一圈防脱凹槽521，所述支脚300的侧壁上活动设置有沿所述插孔310的径向伸缩运动的防脱卡片320，所述防脱卡片320上设有供所述插柱520穿过的穿孔321，所述防脱卡片320连接有驱使所述穿孔321的内侧壁抵靠在所述防脱凹槽521的侧面的第二弹性件330。当摇杆500上的插柱520插入插孔310时，防脱卡片320上的穿孔321的内侧壁在第二弹性件330的作用下抵靠防脱凹槽521上而防止摇杆500向下脱离；当需要拆卸摇杆500时，朝向第二弹性件330的形变方向施力而使得穿孔321与防脱凹槽521相分离，进而将插柱520从插孔310向外拔出。Referring to FIG. 6 , in some embodiments of the present invention, therocker 500 is provided withmounting joints 510 connected to both ends of the arc-shaped segment, and themounting joints 510 are provided with upwardly extendingpins 520 , the bottom surface of thesupport leg 300 is provided with asocket 310 matched with theplug 520, the surface of theplug 520 is provided with a circle ofanti-drop grooves 521, and the side wall of thesupport leg 300 is movably arranged There is a slip-proof card 320 which is telescopically moved along the radial direction of theinsertion hole 310. The slip-proof card 320 is provided with a perforation 321 for theinsertion post 520 to pass through. The inner side wall of the through hole 321 abuts against the secondelastic member 330 on the side of theanti-detachment groove 521 . When thepost 520 on therocker 500 is inserted into thesocket 310, the inner side wall of the through hole 321 on theanti-drop card 320 abuts against theanti-drop groove 521 under the action of the secondelastic member 330 to prevent therocker 500 from going down. Disengagement; when therocker 500 needs to be disassembled, force is applied toward the deformation direction of the secondelastic member 330 to separate the through hole 321 from theanti-detachment groove 521 , and then pull theplug 520 out of thesocket 310 .

在本发明的一些实施例中，所述储存篮600由柔性编织物构成，例如网布、棉布等等，所述储存篮600的开口边缘与所述多边形框架相连，所述支脚300上设有至少一个能够将所述储存篮600的底部拉直的连接组件340。其中，所述支脚300的中部和底部分别设置有一个所述连接组件340，所述连接组件340包括枢接在所述支脚300上的连接座和连接于所述连接座与所述储存篮600的底部之间的连接带。参见图1，所有的位于支脚300中部的连接组件340与储存篮600的底部的四个边角相连而使床结构可作婴儿床使用，参见图2，所有的位于支脚300底部的连接组件340与储存篮600的底部的四个边角相连而使储存篮600的底部可以与地面接触，小孩可以站立在储存篮600内活动，该床结构可作游戏围床使用。In some embodiments of the present invention, thestorage basket 600 is made of flexible woven fabrics, such as mesh cloth, cotton cloth, etc., the opening edge of thestorage basket 600 is connected with the polygonal frame, and thelegs 300 are provided with At least one connectingassembly 340 capable of straightening the bottom of thestorage basket 600 . Wherein, the middle part and the bottom of thesupport foot 300 are respectively provided with one of theconnecting components 340 , and the connectingcomponent 340 includes a connecting seat pivotally connected to thesupport foot 300 and connected to the connecting seat and thestorage basket 600 the connecting straps between the bottoms. Referring to FIG. 1 , all theconnecting components 340 located in the middle of thelegs 300 are connected to the four corners of the bottom of thestorage basket 600 so that the bed structure can be used as a crib. Referring to FIG. 2 , all the connectingcomponents 340 located at the bottom of thelegs 300 The bottom of thestorage basket 600 is connected to the four corners so that the bottom of thestorage basket 600 can be in contact with the ground, and children can stand and move in thestorage basket 600. The bed structure can be used as a play-surrounding bed.

在本发明的一些实施例中，为了实现床结构的升降功能，所述支脚300包括转动连接在所述多边形框架100上的支管301和伸缩设置在所述支管301下端的单元管302。In some embodiments of the present invention, in order to realize the lifting function of the bed structure, the supportingfeet 300 include abranch pipe 301 rotatably connected to thepolygonal frame 100 and aunit pipe 302 telescopically arranged at the lower end of thebranch pipe 301 .

以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.