CN219040648U - Connection structure and electric wheelchair - Google Patents

Abstract

The utility model provides a connection structure and electronic wheelchair relates to electronic wheelchair battery technical field for solve unable realization quick assembly disassembly, lead to the inconvenient technical problem of battery taking, this connection structure includes battery mount pad, battery, first connecting piece and second connecting piece, and the holding intracavity of battery mount pad is arranged in to the battery, and first connecting piece sets up in the holding intracavity, and the inner wall face in holding intracavity laminating with the outer wall face of battery, the outer wall face have with first connecting piece assorted spacing spread groove; one end of the second connecting piece is connected to the edge position, close to the opening, of the inner wall surface, and the other end of the second connecting piece can be close to or far from the outer wall surface along the second direction; the outer wall surface is also provided with an abutting end surface, the other end of the second connecting piece is close to the outer wall surface, and the other end of the second connecting piece abuts against the abutting end surface; when the other end of the second connecting piece is far away from the outer wall surface, the other end of the second connecting piece is at a certain distance from the abutting end surface. Realize the quick assembly disassembly of battery, improve the convenience of using.

Description

Connection structure and electric wheelchair

Technical Field

The application relates to the technical field of electric wheelchair batteries, in particular to a connecting structure and an electric wheelchair.

Background

Electric wheelchairs are generally powered by batteries; in the related art, a battery mounting seat is provided on an electric wheelchair, the battery mounting seat has a mounting chamber, and a storage battery is assembled in the mounting chamber and fixed by a threaded connecting piece. However, the quick assembly disassembly cannot be realized by the mode of fixing the threaded connecting piece, and the storage battery is inconvenient to take when being charged.

Disclosure of Invention

In view of the above-mentioned problem, the embodiment of the application provides a connection structure and electronic wheelchair to solve and to be unable to realize quick assembly disassembly, lead to the inconvenient technical problem of battery taking.

In order to achieve the above purpose, the embodiment of the present application provides the following technical solutions:

a first aspect of embodiments of the present application provides a connection structure including a battery mount, a battery, a first connection member, and a second connection member, the battery mount including a receiving cavity having an opening, the battery being disposed in the receiving cavity from the opening in a first direction; the outer wall surface of the battery is attached to the inner wall surface of the accommodating cavity, the outer wall surface is provided with a limiting connecting groove, the first connecting piece is arranged in the accommodating cavity, one end of the first connecting piece is connected with the inner wall surface, and the other end of the first connecting piece is matched with the limiting connecting groove; one end of the second connecting piece is connected to the edge position, close to the opening, of the inner wall surface, the other end of the second connecting piece extends into the accommodating cavity, and the other end of the second connecting piece can be close to or far away from the outer wall surface along a second direction; the outer wall surface is also provided with an abutting end surface, and the abutting end surface is arranged at a certain angle with the plane where the first direction is located; when the other end of the second connecting piece is close to the outer wall surface, the other end of the second connecting piece is abutted with the abutting end surface; when the other end of the second connecting piece is far away from the outer wall surface, the other end of the second connecting piece is at a certain distance from the abutting end surface; wherein the first direction is perpendicular to the second direction.

In one possible implementation manner, the accommodating cavity has a first inner wall surface and a second inner wall surface opposite to each other along a third direction, the first inner wall surface is jointed with a first outer wall surface of the battery, the second inner wall surface is jointed with a second outer wall surface of the battery, the first outer wall surface has a first limit connection groove, and the second outer wall surface has a second limit connection groove; the first connecting piece comprises a left connecting plate and a right connecting plate, the left connecting plate and the right connecting plate are both arranged in the accommodating cavity, one end of the left connecting plate is connected with the first inner wall surface, and the other end of the left connecting plate is matched with the first limit connecting groove; one end of the right connecting plate is connected with the second inner wall surface, and the other end of the right connecting plate is matched with the second limit connecting groove; wherein the third direction is perpendicular to both the first direction and the second direction.

In one possible implementation manner, the accommodating cavity further has a third inner wall surface, the third inner wall surface intersects both the first inner wall surface and the second inner wall surface, the third inner wall surface is attached to a third outer wall surface of the battery, the third outer wall surface has the abutting end surface, and one end of the second connecting member is connected to the third inner wall surface.

In one possible implementation manner, the accommodating cavity further has a fourth inner wall surface, the fourth inner wall surface being opposite to the plane where the opening is located in the first direction, and the fourth inner wall surface being attached to a fourth outer wall surface of the battery; the limit connecting groove comprises a side groove opening and a bottom groove opening, wherein the side groove opening is arranged on the first outer wall surface, the bottom groove opening is arranged on the fourth outer wall surface, and the side groove opening is communicated with the bottom groove opening.

In one possible implementation manner, the edge position, close to the opening, of the third inner wall surface is provided with an avoidance groove, the second connecting piece is accommodated in the avoidance groove, one end of the second connecting piece is connected with the inner end surface of the avoidance groove, and the other end of the second connecting piece can be far away from or close to the bottom of the avoidance groove along the second direction; when the other end of the second connecting piece is far away from the bottom of the avoidance groove, the other end of the second connecting piece is abutted with the abutting end face; when the other end of the second connecting piece is close to the bottom of the avoidance groove, the other end of the second connecting piece is a certain distance from the abutting end face.

In one possible implementation manner, the edge position, close to the opening, of the third inner wall surface is provided with an avoidance through hole, one end of the second connecting piece is connected with the hole wall of the avoidance through hole, and the other end of the second connecting piece can be far away from or close to the avoidance through hole along the second direction; when the other end of the second connecting piece is far away from the avoidance through hole, the other end of the second connecting piece is abutted with the abutting end face; when the other end of the second connecting piece is close to the avoidance through hole, the other end of the second connecting piece is at a certain distance from the abutting end face.

In one possible implementation, the intersection of the third inner wall surface and the opening is formed into an arc-shaped structure, and one end of the second connecting piece includes an arc-shaped plate, and the curvature of the arc-shaped plate is the same as the curvature of the arc-shaped structure.

In one possible implementation manner, the third outer wall surface is provided with an abutting groove, the abutting groove is provided with an intersected guiding inclined plane and an abutting end surface, and the guiding inclined plane and the abutting end surface are arranged at a certain angle; the other end of the second connecting piece comprises an abutting plate, the abutting plate comprises an intersecting abutting inclined plane and an abutting plane, the abutting inclined plane is matched with the guiding inclined plane, and the abutting plane is matched with the abutting end face.

In one possible implementation, the arcuate plate is provided with a plurality of ribs extending in the second direction.

A second aspect of embodiments of the present application provides an electric wheelchair comprising the connection arrangement set forth above.

According to the connecting structure and the electric wheelchair, the battery mounting seat of the connecting structure comprises the accommodating cavity with the opening, the battery is arranged in the accommodating cavity along the first direction from the opening, the outer wall surface of the battery is attached to the inner wall surface of the accommodating cavity, the outer wall surface of the battery is provided with the limiting connecting groove, the first connecting piece is arranged in the accommodating cavity, one end of the first connecting piece is connected with the inner wall surface of the accommodating cavity, and the other end of the first connecting piece is matched with the limiting connecting groove; one end of the second connecting piece is connected to the edge position, close to the opening, of the inner wall surface, the other end of the second connecting piece extends into the accommodating cavity, and the other end of the second connecting piece can be close to or far from the outer wall surface of the battery along the second direction; the outer wall surface is also provided with an abutting end surface which is arranged at a certain angle with the plane where the first direction is located; when the other end of the second connecting piece is close to the outer wall surface, the other end of the second connecting piece is abutted with the abutting end surface; when the other end of the second connecting piece is far away from the outer wall surface, the other end of the second connecting piece is a certain distance from the abutting end surface; wherein the first direction is perpendicular to the second direction. The first connecting piece is used for limiting the movement of the battery in the second direction, and the second connecting piece is used for limiting the movement of the battery in the first direction, so that the battery is stably assembled on the battery mounting seat; moreover, when the battery is assembled with the battery mounting seat, the first connecting piece and the second connecting piece can be fixed, and when the battery is disassembled, the second connecting piece is only required to be far away from the outer wall surface of the battery, the limit of the first direction is released, the battery can be taken out from the accommodating cavity, the quick assembly and disassembly of the battery are realized, and the convenience of use is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a connection structure according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a connection structure according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a battery mounting base with a connection structure according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a first connecting member of the connecting structure according to the embodiment of the present application;

fig. 5 is a schematic structural diagram of a second connecting member of the connecting structure according to the embodiment of the present application;

fig. 6 is a schematic structural diagram of a second connecting member of the connecting structure according to the embodiment of the present application.

Reference numerals illustrate:

100: a battery;

101: a limit connecting groove; 102: an abutment groove;

1021: a guide slope; 1022: abutting the end face;

200: a battery mounting base;

201: a receiving chamber; 202: an avoidance groove; 203: avoiding the through hole;

2011: a first inner wall surface; 2012: a fourth inner wall surface; 2013: a third inner wall surface; 2021: a first opening; 2022: a second opening;

300: a first connector;

301: a right connecting plate; 302: a left connecting plate;

400: a second connector;

401: an arc-shaped plate; 402: an abutting plate; 403: reinforcing ribs;

4021: abutting the inclined plane; 4022: abutting the planar surface.

Detailed Description

As described in the background art, the connection mode between the battery and the battery mounting seat in the related art cannot realize quick disassembly and assembly, and the battery needs to be inconvenient to take when being charged.

In view of the above technical problems, the embodiments of the present application provide a connection structure, in which a first connection member and a second connection member are disposed at an assembly position of a battery mounting seat and a battery, the first connection member and the second connection member fix the battery on the battery mounting seat together, the first connection member is used for limiting movement of the battery in a horizontal direction, and the second connection member is used for limiting movement of the battery in a vertical direction, so that the battery is stably assembled on the battery mounting seat; moreover, when the battery is assembled on the battery mounting seat along the first direction, the first connecting piece and the second connecting piece can be fixed, so that the quick assembly and disassembly of the battery are realized, and the use convenience is improved.

In addition, the battery mount may be a battery mount on an electric wheelchair, and the battery may be a battery for driving the electric wheelchair.

The connection structure of the embodiments of the present application will be described below in conjunction with a battery and a battery mount, and it should be understood by those skilled in the art that although the connection structure of the embodiments of the present application is described in conjunction with a battery and a battery mount, this is not limiting and other devices or cases having connection use requirements may be configured with the connection structure of the embodiments of the present application.

In order to make the above objects, features and advantages of the embodiments of the present application more comprehensible, the following description will make the technical solutions of the embodiments of the present application clear and complete with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, based on the embodiments herein, which are within the scope of the protection of the present application, will be within the purview of one of ordinary skill in the art without the exercise of inventive faculty.

The embodiment of the application provides a connection structure, and referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a first connection structure provided in the embodiment of the application, and fig. 2 is a schematic structural diagram of a second connection structure provided in the embodiment of the application; the connection structure includes a battery 100 and a battery mount 200, the battery mount 200 includes a receiving chamber 201 having an opening, the battery 100 moves downward from the opening in a first direction (Z direction shown in fig. 1) and is finally placed in the receiving chamber 201, and an outer wall surface of the battery 100 is attached to an inner wall surface of the receiving chamber 201, so that the battery 100 is stably assembled in the receiving chamber 201.

The connecting structure further comprises a first connecting piece 300, wherein the outer wall surface of the battery 100 is provided with a limit connecting groove 101, the first connecting piece 300 is arranged in the accommodating cavity 201, one end of the first connecting piece 300 is connected with the inner wall surface of the accommodating cavity 201, and the other end of the first connecting piece 300 extends into the accommodating cavity 201 and is matched with the limit connecting groove 101; when the battery 100 moves downward from the opening in the first direction (Z direction shown in fig. 1), the other end of the first connector 300 will enter the limit connecting groove 101 from the notch of the limit connecting groove 101, so that the first connector 300 is connected with the limit connecting groove 101. As shown in fig. 1, the first connector 300 can restrict movement of the battery 100 in a second direction (Y direction shown in fig. 1, the second direction being perpendicular to the first direction).

The connecting structure further comprises a second connecting piece 400, wherein the second connecting piece 400 is arranged in the accommodating cavity 201 and is positioned at the edge of the accommodating cavity 201 close to the opening; one end of the second connecting piece 400 is connected to an edge position of the inner wall surface of the accommodating cavity 201, which is close to the opening, and the other end of the second connecting piece 400 is attached to the inner wall surface of the accommodating cavity 201 and extends into the accommodating cavity 201; the other end of the second connection member 400 can be close to or distant from the outer wall surface of the battery 100 in the second direction (Y direction shown in fig. 1), or the other end of the second connection member 400 can be close to or distant from the inner wall surface of the accommodation chamber 201 in the second direction.

The outer wall surface of the battery 100 further has an abutment end surface disposed at an angle to a plane in which the first direction (Z direction shown in fig. 1) is located, when the other end of the second connector 400 approaches the outer wall surface of the battery 100, the other end of the second connector 400 is located above the abutment end surface, and the other end of the second connector 400 will abut against the abutment end surface, so that the second connector 400 can restrict movement of the battery 100 in the first direction; when the other end of the second connector 400 is away from the outer wall surface of the battery 100, the other end of the second connector 400 is away from the abutting end surface, the other end of the second connector 400 is at a certain distance from the abutting end surface, the two cannot form a limit, and the battery 100 can move in the first direction.

According to the connecting structure, a battery mounting seat 200 comprises a containing cavity 201 with an opening, a battery 100 is arranged in the containing cavity 201 along a first direction (Z direction shown in fig. 1) from the opening, the outer wall surface of the battery 100 is attached to the inner wall surface of the containing cavity 201, a limit connecting groove 101 is formed in the outer wall surface, a first connecting piece 300 is arranged in the containing cavity 201, one end of the first connecting piece 300 is connected with the inner wall surface of the containing cavity 201, and the other end of the first connecting piece 300 is matched with the limit connecting groove 101; one end of the second connecting member 400 is connected to an edge of the inner wall surface near the opening, the other end of the second connecting member 400 extends into the accommodating chamber 201, and the other end of the second connecting member 400 can be close to or far from the outer wall surface of the battery 100 in the second direction (Y direction shown in fig. 1); the outer wall surface is also provided with an abutting end surface which is arranged at a certain angle with the plane where the first direction is located; when the other end of the second connecting member 400 approaches the outer wall surface, the other end of the second connecting member 400 abuts against the abutting end surface; when the other end of the second connecting piece 400 is far away from the outer wall surface, the other end of the second connecting piece 400 has a certain distance from the abutting end surface; wherein the first direction is perpendicular to the second direction. By providing the first connector 300 and the second connector 400 at the assembled position of the battery mount 200 and the battery 100, the first connector 300 is used for restricting the movement of the battery 100 in the second direction (i.e., the horizontal direction), and the second connector 400 is used for restricting the movement of the battery 100 in the first direction (i.e., the vertical direction), so that the battery 100 is stably assembled on the battery mount 200; moreover, when the battery 100 is assembled with the battery mounting seat 200, the first connecting piece 300 and the second connecting piece 400 can be fixed, and when the battery 100 needs to be disassembled, the second connecting piece 400 is only required to be far away from the outer wall surface of the battery 100, the limit in the vertical direction is released, the battery 100 can be taken out from the opening of the accommodating cavity 201, the quick assembly and disassembly of the battery 100 are realized, and the convenience in use is improved.

The abutment end surface is perpendicular to the plane in which the first direction (Z direction shown in fig. 1) is located, that is, the abutment end surface may be a horizontal plane in fig. 1.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a battery mounting base with a connection structure according to an embodiment of the present application; in this embodiment, the accommodating chamber 201 has a first inner wall surface 2011 and a second inner wall surface opposing in a third direction (X direction shown in fig. 1 and 3, the third direction being perpendicular to both the first direction and the second direction), a third inner wall surface 2013 (rear wall surface in fig. 1 and 3) and a fifth inner wall surface opposing in the second direction (Y direction shown in fig. 1 and 3), a fourth inner wall surface 2012 (bottom surface in fig. 1 and 3) and a sixth inner wall surface opposing in the first direction (Z direction shown in fig. 1 and 3), and the first inner wall surface 2011, the second inner wall surface, the third inner wall surface 2013, the fourth inner wall surface 2012, the fifth inner wall surface and the sixth inner wall surface collectively define the accommodating chamber 201.

The openings include a first opening 2021 and a second opening 2022, the first opening 2021 and the second opening 2022 communicate, and a sixth inner wall surface coincides with the first opening 2021, and a fifth inner wall surface coincides with the second opening 2022; the battery 100 is disposed in the accommodating cavity 201 from the first opening 2021, and a portion of the battery 100 protrudes out of the accommodating cavity 201 from the second opening 2022.

With continued reference to fig. 3, in the above embodiment of the present application, the intersections of the first inner wall surface 2011, the third inner wall surface 2013, and the second inner wall surface are smoothly connected, so that the accommodating cavity 201 is formed with one complete arc-shaped inner wall surface.

In the above-described embodiment of the present application, the battery 100 has the first outer wall surface and the second outer wall surface opposite in the third direction (X direction shown in fig. 1 and 3), the first outer wall surface being bonded to the first inner wall surface 2011, and the second outer wall surface being bonded to the second inner wall surface; the limit connecting groove can comprise a first limit connecting groove and a second limit connecting groove, the first outer wall surface is provided with the first limit connecting groove, and the second outer wall surface is provided with the second limit connecting groove; the first connection member 300 may include a left connection plate 302 and a right connection plate 301, each of the left connection plate 302 and the right connection plate 301 being disposed within the accommodation chamber 201, each of the left connection plate 302 and the right connection plate 301 being perpendicular to the fourth inner wall surface 2012, the left connection plate 302 and the right connection plate 301 being opposite in a third direction (X direction shown in fig. 1 and 3); one end of the left connecting plate 302 is connected with the first inner wall surface 2011, and the other end of the left connecting plate 302 extends into the accommodating cavity 201 and is matched with the first limit connecting groove; one end of the right connecting plate 301 is connected with the second inner wall surface, and the other end of the right connecting plate 301 extends into the accommodating cavity 201 and is matched with the second limit connecting groove. That is, when the battery 100 is placed in the accommodating cavity 201 from the first opening 2021, the left connecting plate 302 and the right connecting plate 301 enter the first limiting connecting groove and the second limiting connecting groove from the notch of the first limiting connecting groove and the notch of the second limiting connecting groove, respectively, so that the left connecting plate 302 is connected with the first limiting connecting groove, and the right connecting plate 301 is connected with the second limiting connecting groove. The left and right connection plates 302 and 301 together restrict movement of the battery 100 in the second direction (Y direction shown in fig. 1), ensure stress balance of the battery 100, and improve assembly stability.

In the above-described embodiment of the present application, the third inner wall surface 2013 intersects both the first inner wall surface 2011 and the second inner wall surface, the battery 100 has a third outer wall surface, the third inner wall surface 2013 is attached to the third outer wall surface of the battery 100, the third outer wall surface has an abutment end surface, and one end of the second connector 400 is connected to an edge position of the third inner wall surface 2013 near the opening. That is, the left connecting plate 302, the right connecting plate 301 and the second connecting member 400 fix the battery 100 together from three different positions, respectively, ensuring uniform stress of the battery 100, and further improving assembly stability.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a first connecting member of a connecting structure according to an embodiment of the present application; in the above-described embodiment of the present application, the fourth inner wall surface 2012 faces the plane in which the opening is located in the first direction (the Z direction shown in fig. 1 and 3), and the battery 100 has the fourth outer wall surface, which is bonded to the fourth inner wall surface 2012; the limit connecting groove 101 may include a side groove opening and a bottom groove opening, the side groove opening is disposed on the first outer wall surface, the bottom groove opening is disposed on the fourth outer wall surface, and the side groove opening is communicated with the bottom groove opening. When the battery 100 moves downward from the opening in the first direction (Z direction shown in fig. 1 and 4), the other end of the first connector 300 will enter the limit connecting groove 101 from the bottom groove opening, so that the first connector 300 is connected with the limit connecting groove 101. The provision of the bottom notch facilitates the user to take the battery 100, and only the battery 100 needs to be moved upward from the opening in the first direction (Z direction shown in fig. 1 and 4) when the battery 100 is detached.

Referring to fig. 5, fig. 5 is a schematic structural diagram of a second connecting member of the connecting structure according to the embodiment of the present application; in this embodiment, the edge of the third inner wall surface 2013 near the opening has a dodging groove 202, the second connecting member 400 is matched with the dodging groove 202, the second connecting member 400 is accommodated in the dodging groove 202, one end of the second connecting member 400 is connected with the inner end surface of the dodging groove 202, the inner end surface is near the opening, and the other end of the second connecting member 400 can be far away from or near the bottom of the dodging groove 202 along the second direction (the Y direction shown in fig. 1 or the direction perpendicular to the paper surface shown in fig. 5); when the other end of the second connecting piece 400 is far away from the bottom of the avoidance groove 202, the other end of the second connecting piece 400 is abutted with the abutting end face; when the other end of the second connecting member 400 approaches the bottom of the avoidance groove 202, the other end of the second connecting member 400 has a certain distance from the abutment end face. Wherein the relief groove 202 provides a certain space for the movement of the second connector 400, ensuring that the second connector 400 can move in the second direction.

Referring to fig. 6, fig. 6 is a schematic structural diagram ii of a second connecting member of the connecting structure according to the embodiment of the present application; in this embodiment, the edge of the third inner wall surface 2013 near the opening has an avoidance through hole 203, one end of the second connecting member 400 is connected to a hole wall of the avoidance through hole 203, the hole wall is near the opening, and the other end of the second connecting member 400 can be far away from or near the avoidance through hole 203 along the second direction (the Y direction shown in fig. 1, or the left-right direction shown in fig. 6); when the other end of the second connecting member 400 is away from the avoidance through hole 203, the other end of the second connecting member 400 abuts against the abutment end face; when the other end of the second connecting member 400 approaches the avoidance hole 203, the other end of the second connecting member 400 has a certain distance from the abutment end face. Wherein, the avoiding through hole 203 provides a certain space for the movement of the second connecting member 400, so as to ensure that the second connecting member 400 can move along the second direction.

With continued reference to fig. 5 and fig. 6, in the embodiment of the present application, the intersection of the third inner wall surface 2013 and the opening is formed into an arc structure, one end of the second connecting member 400 includes an arc plate 401, and the bending radian of the arc plate 401 is the same as that of the arc structure, so that the second connecting member 400 is cooperatively connected to the third inner wall surface 2013, and the cooperative connection between the third inner wall surface 2013 and the second connecting member 400 is smoother; when the battery 100 moves downward from the opening in the first direction (Z direction shown in fig. 1), the third outer wall of the battery 100 faces the third inner wall surface 2013 and the arc plate 401 applies pressure, so that the arc plate 401 is bent in a direction away from the battery 100, ensuring that the battery 100 is smoothly assembled in the accommodating chamber 201.

When the battery 100 is assembled in the accommodation chamber 201, the arc plate 401 is reset, the other end of the second connector 400 abuts against the abutment end face, and the second connector 400 can restrict the movement of the battery 100 in the first direction (Z direction shown in fig. 1). When the battery 100 needs to be taken out of the accommodating cavity 201, pressure is continuously applied to the arc plate 401, so that the arc plate 401 bends in a direction away from the battery 100, the other end of the second connecting piece 400 is away from the outer wall surface of the battery 100, the other end of the second connecting piece 400 is away from the abutting end surface, the other end of the second connecting piece 400 is at a certain distance from the abutting end surface, the two ends cannot form a limit, and the battery 100 can move in the first direction (Z direction shown in fig. 1).

In addition, the curvature of the arc plate 401 is the same as that of the arc structure, and the structural aesthetic property can be ensured.

In the above-described embodiment of the present application, the arc plate 401 may be provided with a plurality of reinforcing ribs 403, and the plurality of reinforcing ribs 403 extend along the third direction (X direction shown in fig. 5), and the plurality of reinforcing ribs 403 are used to improve the strength of the arc plate 401, and avoid the arc plate 401 from being broken when the arc plate 401 is bent in a direction away from the battery 100.

Referring to fig. 6, in the embodiment of the present application, the third outer wall surface may be provided with an abutment groove 102, where the abutment groove 102 has a guide slope 1021 and an abutment end surface 1022 that intersect, and the abutment end surface 1022 is perpendicular to a plane in which the first direction (Z direction shown in fig. 1) is located, and the guide slope 1021 and the abutment end surface 1022 are disposed at an angle; the other end of the second connector 400 may include an abutment plate 402, the abutment plate 402 including an intersecting abutment bevel 4021 and an abutment plane 4022, the abutment bevel 4021 mating with the guide bevel 1021, the abutment plane 4022 mating with the abutment end face 1022. When the battery 100 moves downwards from the opening along the first direction (the Z direction shown in fig. 1), the third outer wall of the battery 100 applies pressure to the arc plate 401, the arc plate 401 bends towards the direction away from the battery 100, and drives the abutting plate 402 away from the battery 100, so that the battery 100 is smoothly assembled in the accommodating cavity 201; after the battery 100 is assembled in the accommodating cavity 201, the arc plate 401 resets to drive the abutting plate 402 to approach the battery 100, and the abutting inclined plane 4021 is attached to the guiding inclined plane 1021, so that the abutting plane 4022 smoothly enters the abutting groove 102 and abuts against the abutting end face 1022 of the abutting groove 102.

Accordingly, embodiments of the present application also provide a wheelchair that includes the above-described connection structure.

In summary, the embodiment of the present application provides a connection structure and an electric wheelchair, where the battery mount 200 of the connection structure includes a receiving cavity 201 having an opening, the battery 100 is disposed in the receiving cavity 201 along a first direction (a Z direction shown in fig. 1) from the opening, an outer wall surface of the battery 100 is attached to an inner wall surface of the receiving cavity 201, the outer wall surface has a limiting connecting groove 101, a first connecting member 300 is disposed in the receiving cavity 201, one end of the first connecting member 300 is connected with the inner wall surface of the receiving cavity 201, and the other end of the first connecting member 300 is matched with the limiting connecting groove 101; one end of the second connecting member 400 is connected to an edge of the inner wall surface near the opening, the other end of the second connecting member 400 extends into the accommodating chamber 201, and the other end of the second connecting member 400 can be close to or far from the outer wall surface of the battery 100 in the second direction (Y direction shown in fig. 1); the outer wall surface is also provided with an abutting end surface which is arranged at a certain angle with the plane where the first direction is located; when the other end of the second connecting member 400 approaches the outer wall surface, the other end of the second connecting member 400 abuts against the abutting end surface; when the other end of the second connecting piece 400 is far away from the outer wall surface, the other end of the second connecting piece 400 has a certain distance from the abutting end surface; wherein the first direction is perpendicular to the second direction. By providing the first connector 300 and the second connector 400 at the assembled position of the battery mount 200 and the battery 100, the first connector 300 is used for restricting the movement of the battery 100 in the second direction (i.e., the horizontal direction), and the second connector 400 is used for restricting the movement of the battery 100 in the first direction (i.e., the vertical direction), so that the battery 100 is stably assembled on the battery mount 200; moreover, when the battery 100 is assembled with the battery mounting seat 200, the first connecting piece 300 and the second connecting piece 400 can be fixed, and when the battery 100 needs to be disassembled, the second connecting piece 400 is only required to be far away from the outer wall surface of the battery 100, the limit in the vertical direction is released, the battery 100 can be taken out from the opening of the accommodating cavity 201, the quick assembly and disassembly of the battery 100 are realized, and the convenience in use is improved.

In this specification, each embodiment or implementation is described in a progressive manner, and each embodiment focuses on a difference from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, terms should be understood at least in part by use in the context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, at least in part depending on the context. Similarly, terms such as "a" or "an" may also be understood to convey a singular usage or a plural usage, depending at least in part on the context.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. The connecting structure is characterized by comprising a battery mounting seat, a battery, a first connecting piece and a second connecting piece, wherein the battery mounting seat comprises a containing cavity with an opening, and the battery is arranged in the containing cavity along a first direction from the opening;

the outer wall surface of the battery is attached to the inner wall surface of the accommodating cavity, the outer wall surface is provided with a limiting connecting groove, the first connecting piece is arranged in the accommodating cavity, one end of the first connecting piece is connected with the inner wall surface, and the other end of the first connecting piece is matched with the limiting connecting groove;

one end of the second connecting piece is connected to the edge position, close to the opening, of the inner wall surface, the other end of the second connecting piece extends into the accommodating cavity, and the other end of the second connecting piece can be close to or far away from the outer wall surface along a second direction;

the outer wall surface is also provided with an abutting end surface, and the abutting end surface is arranged at a certain angle with the plane where the first direction is located; when the other end of the second connecting piece is close to the outer wall surface, the other end of the second connecting piece is abutted with the abutting end surface; when the other end of the second connecting piece is far away from the outer wall surface, the other end of the second connecting piece is at a certain distance from the abutting end surface;

wherein the first direction is perpendicular to the second direction.

2. The connection structure according to claim 1, wherein the housing chamber has a first inner wall surface and a second inner wall surface opposite in a third direction, the first inner wall surface being fitted to a first outer wall surface of the battery, the second inner wall surface being fitted to a second outer wall surface of the battery, the first outer wall surface having a first limit connection groove, the second outer wall surface having a second limit connection groove;

the first connecting piece comprises a left connecting plate and a right connecting plate, the left connecting plate and the right connecting plate are both arranged in the accommodating cavity, one end of the left connecting plate is connected with the first inner wall surface, and the other end of the left connecting plate is matched with the first limit connecting groove; one end of the right connecting plate is connected with the second inner wall surface, and the other end of the right connecting plate is matched with the second limit connecting groove;

wherein the third direction is perpendicular to both the first direction and the second direction.

3. The connection structure according to claim 2, wherein the housing chamber further has a third inner wall surface intersecting both the first inner wall surface and the second inner wall surface, the third inner wall surface being bonded to a third outer wall surface of the battery, the third outer wall surface having the abutment end surface, and one end of the second connector being connected to the third inner wall surface.

4. The connection structure according to claim 2, wherein the accommodation chamber further has a fourth inner wall surface that is opposed to a plane in which the opening is located in the first direction, the fourth inner wall surface being fitted to a fourth outer wall surface of the battery;

the limit connecting groove comprises a side groove opening and a bottom groove opening, wherein the side groove opening is arranged on the first outer wall surface, the bottom groove opening is arranged on the fourth outer wall surface, and the side groove opening is communicated with the bottom groove opening.

5. The connecting structure according to claim 3, wherein an edge position of the third inner wall surface, which is close to the opening, is provided with an avoidance groove, the second connecting piece is accommodated in the avoidance groove, one end of the second connecting piece is connected with an inner end surface of the avoidance groove, and the other end of the second connecting piece can be far away from or close to a groove bottom of the avoidance groove along the second direction;

when the other end of the second connecting piece is far away from the bottom of the avoidance groove, the other end of the second connecting piece is abutted with the abutting end face; when the other end of the second connecting piece is close to the bottom of the avoidance groove, the other end of the second connecting piece is a certain distance from the abutting end face.

6. The connecting structure according to claim 3, wherein an edge position of the third inner wall surface, which is close to the opening, is provided with an avoidance through hole, one end of the second connecting member is connected with a hole wall of the avoidance through hole, and the other end of the second connecting member can be far away from or close to the avoidance through hole along the second direction;

when the other end of the second connecting piece is far away from the avoidance through hole, the other end of the second connecting piece is abutted with the abutting end face; when the other end of the second connecting piece is close to the avoidance through hole, the other end of the second connecting piece is at a certain distance from the abutting end face.

7. The connection structure according to claim 5 or 6, wherein an intersection of the third inner wall surface and the opening is formed in an arc-shaped structure, and one end of the second connection member includes an arc-shaped plate having a curvature identical to that of the arc-shaped structure.

8. The connection structure according to claim 5 or 6, wherein the third outer wall surface is provided with an abutment groove having an intersecting guide slope and the abutment end surface, the guide slope and the abutment end surface being disposed at an angle;

the other end of the second connecting piece comprises an abutting plate, the abutting plate comprises an intersecting abutting inclined plane and an abutting plane, the abutting inclined plane is matched with the guiding inclined plane, and the abutting plane is matched with the abutting end face.

9. The connection structure according to claim 7, wherein a plurality of reinforcing ribs are provided on the arc plate, the plurality of reinforcing ribs extending in the second direction.

10. An electric wheelchair comprising the connection structure of any one of claims 1 to 9.

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