CN219226498U - Detachable battery pack - Google Patents

Abstract

The application provides a detachable battery pack, which comprises a box body, wherein a first space for accommodating a battery module is formed in the box body, the battery module comprises a plurality of battery cells arranged along the thickness direction of the battery module, and a first opening is formed in the first space; the box door is rotatably connected with the box body at one side edge, the axis direction of the rotating shaft is a first direction, and the box door can relatively open or close the first opening around the rotating shaft; the box door is arranged on the box body of the battery pack, so that when the battery module needs to be maintained or checked, the box door can be opened.

Description

Detachable battery pack

Technical Field

The application relates to the technical field of new energy, in particular to a detachable battery pack.

Background

The existing battery pack comprises a battery pack shell and a cover plate, wherein the shell and the cover plate are fixed together by using bolts, when a battery module inside a shell is detected or maintained, the cover plate of the battery pack needs to be disassembled, and when the battery module is detected without problems or after maintenance, the cover plate still needs to be fixed on the shell by using bolts, but in the maintenance process, the problem of bolt loss is easy to occur due to the fact that the number of bolts used is large, so that the normal use of the battery pack can be indirectly influenced, and in addition, the process of disassembling and installing the cover plate is complicated, and a large amount of time is consumed; the battery pack disclosed in the publication CN10961864a is to fix the case and the cover plate together by means of bolts.

Disclosure of Invention

An object of the present application is to address the above problems, providing a detachable battery pack, comprising:

the battery module comprises a plurality of battery cells arranged along the thickness direction of the battery module, wherein a first space for accommodating the battery module is formed in the box body, and a first opening is formed in the first space;

the box door is characterized in that one side edge of the box door is rotatably connected with the box body, the axial direction of the rotating shaft of the box door is a first direction, and the box door can relatively open or close the first opening around the rotating shaft.

According to the technical scheme provided by the embodiment of the application, the box door and two side edges perpendicular to the rotating shaft are rotatably provided with the folding assemblies, and one end, far away from the rotating shaft, of each folding assembly is rotatably connected with two side walls of the box body.

According to the technical scheme that this application embodiment provided, folding subassembly with the oblique top of box lateral wall junction is equipped with the stopper, the stopper is used for control the angle that the chamber door was opened, the chamber door has first state and second state, works as the chamber door is in when the first state, folding subassembly with the stopper butt, works as the chamber door is in when the second state, folding subassembly with the stopper separation.

According to the technical scheme provided by the embodiment of the application, the folding assembly comprises a first connecting rod and a second connecting rod which are rotatably connected with each other.

According to the technical scheme provided by the embodiment of the application, the door is relatively far away from the handle on one surface of the first space.

According to the technical scheme provided by the embodiment of the application, the lock catch assembly is arranged above the handle, and the lock cylinder is arranged at the position of the box body corresponding to the lock catch assembly.

According to the technical scheme provided by the embodiment of the application, the lock catch assembly comprises a fixing part and a hooking part which are rotatably connected.

According to the technical scheme provided by the embodiment of the application, the bottom of the box body is provided with the supporting feet.

According to the technical scheme provided by the embodiment of the application, the supporting leg jacket is provided with the anti-skid piece.

According to the technical scheme that this application embodiment provided the box inner wall is equipped with the support frame, just the support frame is located battery module top, be equipped with electric device fixed plate on the support frame.

Compared with the prior art, the beneficial effect of this application: the battery pack comprises a box body, a first space is formed in the box body, a battery module is arranged in the first space, the battery module comprises a plurality of battery cores which are arranged along the thickness direction of the battery module, a first opening is further formed in the first space, a box door is further arranged, one side edge of the box door is rotatably connected with the box body, the box door rotates around the first direction, so that the first opening is closed or opened, the box body is opened or closed, in the use process, when the battery module in the box body is required to be inspected or maintained, the box body can be opened only by rotating the box door in the opposite direction away from the box body around the axis direction of a rotating shaft, the battery module in the box body can be inspected at the moment, if the battery module is required to be maintained, the battery module can be directly taken out in the box body, after the battery module is inspected or maintained, the box door can be closed through the first opening, and the battery pack can be normally used; this application has offered the chamber door through on battery package box for when need maintain or the inspection to battery module, only need open the chamber door can realize, and current battery package, because all use the mode of bolt to fix together between box and the chamber door, so when examining or maintaining battery module, need dismantle the chamber door on the box, the in-process of dismantling is comparatively loaded down with trivial details, and the condition that still causes the bolt to lose, lead to chamber door and box unable normal installation together, thereby the indirect unable normal use that has led to whole battery package, and in this application, only need open the chamber door or close can realize the inspection and the maintenance to battery module, can not take place to lose the condition of spare part, thereby indirect normal use that can maintain the battery package.

Drawings

Fig. 1 is an overall schematic diagram of a box body and a box door provided in an embodiment of the present application;

FIG. 2 is a schematic view of the interior of a case provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a limiting block according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a door and a handle according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a case and a case door in a closed state according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a lock assembly and a lock cylinder according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of an electrical device fixing plate according to an embodiment of the present application.

The text labels in the figures are expressed as: 1. a case; 2. a door; 3. a limiting block; 4. a first connecting rod; 5. a second connecting rod; 6. a handle; 7. a lock core; 8. a fixing part; 9. a hooking part; 10. supporting feet; 11. a support frame; 12. an electrical device fixing plate.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present application, the following detailed description of the present application is provided by way of example and illustration only, and should not be construed to limit the scope of the present application in any way.

The battery pack comprises a box body 1, wherein a first space for accommodating a battery module is formed in the box body 1, the battery module comprises a plurality of battery cells arranged along the thickness direction of the battery module, and a first opening is formed in the first space;

the box door 2, one side of the box door 2 is rotatably connected with the box body 1, the axis direction of the rotating shaft is a first direction, and the box door 2 can relatively open or close the first opening around the rotating shaft.

Specifically, in this embodiment, please refer to fig. 2, the box 1 is of a cube structure, a first space is provided in the box 1, a battery module may be accommodated in the first space, where the battery module includes a plurality of battery cells, and the plurality of battery cells are sequentially arranged along a thickness direction of the battery module, the thickness direction is a direction a shown in fig. 1, the first space further has a first opening, a shape of the box door 2 please refer to fig. 4, the box door 2 is of a cube structure, the box door 2 has four sides altogether, one side is provided with a hinge, one end of the hinge relatively far from the box door 2 is fixed on the box 1, and a rotating shaft is fixed on the box 1 and penetrates through the hinge, so that the box door 2 can rotate around an axis direction of the rotating shaft, that is, the first direction is a direction far from the box 1 in fig. 1.

Further, folding components are rotatably arranged on two side edges of the box door 2 perpendicular to the rotating shaft, and one end, relatively far away from the rotating shaft, of the folding components is rotatably connected with two side walls of the box body.

Specifically, in this embodiment, please refer to fig. 4, for convenience of description, four sides of the door 2 are sequentially referred to as a first side 201, a second side 202, a third side 203 and a fourth side 204 according to a counterclockwise direction, the first side 201 is a side rotationally connected with the box 1, two fixing shafts are disposed on one ends of the second side 202 and the fourth side 204, which are respectively far away from the first side 201, the two fixing shafts are both cylindrical, folding assemblies are respectively rotatably connected to the two fixing shafts, that is, the folding assemblies can rotate on the two fixing shafts, and a pin is respectively fixed on two side walls of the box 1 corresponding to the second side 202 and the fourth side 204, and one end of the folding assembly, which is relatively far away from the fixing shaft, is rotatably connected to the pin.

Further, the oblique top of folding subassembly with box 1 lateral wall junction is equipped with stopper 3, stopper 3 is used for controlling the angle that chamber door 2 opened, chamber door 2 has first state and second state, works as chamber door 2 is in first state, folding subassembly with stopper 3 butt works as chamber door 2 is in the second state, folding subassembly with stopper 3 separation.

Specifically, in this embodiment, please see fig. 2 and fig. 3, a stop block 3 is disposed at the upper left side of the two pins, the stop block 3 is used to limit the opening angle of the door 2, so as to avoid damage to the folding component or the case 1 caused by the overlarge opening angle of the door 2, the stop block 3 is in a cuboid shape, the stop block 3 is obliquely disposed on two sides of the case 1, each of the stop blocks 3 is fixedly connected with the case 1, the extending direction of the stop block 3 is as shown in fig. 2, the door 2 has a first state and a second state, when the door 2 is in the first state, the door 2 opens the first space, the folding component is relatively close to one end of the pin with the stop block 3, at this time, the opening angle of the door 2 is slightly smaller than 90 degrees, when the door 2 is in the second state, the door 2 closes the first space, and the folding component is separated from the door 3.

Further, the folding assembly comprises a first connecting rod 4 and a second connecting rod 5 which are rotatably connected with each other.

Specifically, in this embodiment, please see fig. 1, the folding assembly includes a first connecting rod 4 and a second connecting rod 5 that are connected to each other, two ends of the first connecting rod 4 and the second connecting rod 5 are both semicircular, two ends of the first connecting rod 4 and the second connecting rod 5 are respectively provided with a through hole, an inner diameter of the through hole provided at one end of the first connecting rod 4 is slightly larger than an outer diameter of the fixed shaft, that is, the first connecting rod 4 can rotate on the fixed shaft and cannot fall off, an inner diameter of the through hole provided at one end of the second connecting rod 5 is slightly larger than an outer diameter of the pin, that is, the second connecting rod 5 can rotate on the pin and cannot fall off, one end, close to each other, of the first connecting rod 4 and the second connecting rod 5 is connected by using a screw, one end, relatively far away from the fixed shaft, of the first connecting rod 4 is rotatably connected with the screw, and one end, relatively far away from the pin, of the second connecting rod 5 is rotatably connected with the screw.

In the use process, please refer to fig. 1, when the door is required to be closed, the screw rod moves downwards to the right, so that the included angle between the first connecting rod and the second connecting rod is reduced, the door is gradually closed, and after the door is closed, the positions of the first connecting rod and the second connecting rod are as shown in fig. 5, and the included angle formed between the first connecting rod and the second connecting rod is an acute angle; when the box door is required to be opened, the screw rod moves in the opposite direction, the included angle between the first connecting rod and the second connecting rod gradually increases, but because the pin shaft is arranged on the side wall of the box body, the included angle between the first connecting rod and the second connecting rod is smaller than 180 degrees, and the first connecting rod and the second connecting rod can be prevented from being broken.

Further, a handle 6 is disposed on a surface of the door 2 relatively far from the first space.

Specifically, in this embodiment, as shown in fig. 4, the door 2 is further provided with a handle 6, two ends of the handle 6 and the door 2 are fixedly connected together, for example, may be fixed together by using a welding manner, and a middle portion of the handle 6 protrudes toward a direction away from the door 2 to form a portable portion, and when the first opening is opened or closed, a hand is inserted into the portable portion, so that the state of the door 2 can be switched.

Further, the latch assembly includes a fixing portion 8 and a hooking portion 9 rotatably connected.

Specifically, in this embodiment, please see fig. 6 in detail, the fixing portion 8 includes a first fixing portion and a second fixing portion that are connected to each other, the first fixing portion is in a cuboid shape, the first fixing portion is fixed on the door 2, one end of the first fixing portion, which is far away from the door 2, is fixedly connected with a second fixing portion, the second fixing portion is similar to an inverted L shape when seen from the side, one surface of the second fixing portion, which is far away from the door 2, is in a square shape, one surface of the second fixing portion, which is close to the door 2, is provided with an inclined surface, and a vertical distance between the inclined surface and the door 2 is gradually reduced along a vertical direction, a movable space is formed between the inclined surface and the door 2, the hooking portion 9 is in a rectangular shape, and four corners of the hooking portion 9 are all provided with a circular arc shape, so that when the door 1 is opened or closed, a hand of an operator is scratched, one side of the hooking portion 9 is provided in the movable space, one side of the hooking portion 9 is located in the movable space, and the one side of the hooking portion 9 is located in the movable space and can move along the vertical direction.

Further, a supporting leg 10 is arranged at the bottom end of the box body 1.

Specifically, in this embodiment, as shown in fig. 5, the supporting legs 10 are configured in a horn shape, the diameter of the supporting legs 10 near the bottom of the case 1 is smaller than the diameter of the supporting legs 10 away from the bottom of the case 1, that is, the diameter of the supporting legs 10 gradually increases along the vertical direction, the supporting legs 10 play a role in supporting the case 1, and the number of the supporting legs 10 is 4 in this embodiment.

Further, the supporting leg 10 is sleeved with an anti-slip piece.

Specifically, in this embodiment, the support leg 10 is further sleeved with an anti-slip member, the anti-slip member is made of rubber, the shape and the size of the anti-slip member are consistent with those of the support leg 10, the anti-slip member can avoid sliding the box 1 or damaging the support leg 10 during opening or closing the box door 2.

Further, a supporting frame 11 is arranged on the inner wall of the box body 1, the supporting frame 11 is located above the battery module, and an electric device fixing plate 12 is arranged on the supporting frame 11.

Specifically, in this embodiment, referring to fig. 2, a supporting frame 11 is disposed on an inner wall of the box 1, the supporting frame 11 includes a first supporting member, a second supporting member and a third supporting member that are connected to each other in a clockwise direction, and the first supporting member, the second supporting member and the third supporting member are all perpendicular to the inner wall of the box 1, wherein a first mounting plate is further disposed on the second supporting member, the first mounting plate is perpendicular to the second supporting member, and the first mounting plate is disposed above the second supporting member, a plurality of first threaded holes are disposed on the first mounting plate, referring to fig. 7, a second mounting plate is disposed on the electric device fixing plate 12, a second threaded hole corresponding to the first threaded hole is disposed on the second mounting plate, the first threaded hole is in threaded connection with the second threaded hole, and two sides of the electric device fixing plate 12 perpendicular to the second mounting plate are respectively abutted above the first supporting member and the third supporting member; the electric device fixing plate 12 is further provided with a plurality of circular through holes with different sizes, and the circular through holes are used for fixing components.

According to the working principle of the detachable battery pack, when the battery module in the battery pack and the components on the electric device fixing plate are required to be checked, overhauled or replaced, the hooking part is detached from the lock cylinder, then the handle is held by hands to drive the box door to move towards the direction away from the box body, the included angle between the first connecting rod and the second connecting rod is gradually increased in the moving process, but due to the fact that the limiting piece is arranged on the side wall of the box body, the included angle between the first connecting rod and the second connecting rod is smaller than 180 degrees until one end of the second connecting rod is stopped when the limiting piece is abutted, at this time, the battery module in the box body and the components on the electric device fixing plate can be checked, if the components or the battery module which need to be replaced are required to be directly replaced at the first opening are required to be taken out, the components or the battery module which can be normally used are placed into the box body through the first opening, then the box door is used to close the first opening, the hooking part is hung on the box body, and the battery pack can be installed normally.

Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. The foregoing is merely a preferred embodiment of the present application, and it should be noted that, due to the limited nature of text, there is an objectively infinite number of specific structures, and that, to those skilled in the art, several improvements, modifications or changes can be made, and the above technical features can be combined in a suitable manner, without departing from the principles of the present utility model; such modifications, variations and combinations, or the direct application of the concepts and aspects of the utility model in other applications without modification, are intended to be within the scope of this application.

Claims (10)

1. A removable battery pack, comprising:

the battery pack comprises a box body (1), wherein a first space for accommodating a battery module is formed in the box body (1), the battery module comprises a plurality of battery cells arranged along the thickness direction of the battery module, and a first opening is formed in the first space;

the box door (2), one side of box door (2) with box (1) rotatable coupling, the axis direction of its axis of rotation is first direction, box door (2) can be around the axis of rotation is relative open or close first opening.

2. The detachable battery pack according to claim 1, wherein the two sides of the door (2) perpendicular to the rotation axis are rotatably provided with folding members, and one end of the folding members relatively far from the rotation axis is rotatably connected to the two side walls of the case.

3. The detachable battery pack according to claim 2, wherein a stopper (3) is provided obliquely above a junction of the folding assembly and the side wall of the case (1), the stopper (3) is used for controlling an opening angle of the case door (2), the case door (2) has a first state and a second state, the folding assembly abuts against the stopper (3) when the case door (2) is in the first state, and the folding assembly is separated from the stopper (3) when the case door (2) is in the second state.

4. A removable battery pack according to claim 3, wherein the folding assembly comprises a first connecting rod (4) and a second connecting rod (5) rotatably connected to each other.

5. The removable battery pack of claim 4 wherein the door (2) is provided with a handle (6) on a side opposite the first space.

6. The detachable battery pack according to claim 5, wherein a lock catch assembly is arranged above the handle (6), and a lock cylinder (7) is arranged at a position of the box body (1) corresponding to the lock catch assembly.

7. The detachable battery pack of claim 6, wherein the latch assembly comprises a rotatably connected fixed portion (8) and a hooking portion (9).

8. The detachable battery pack according to claim 7, wherein the bottom end of the case (1) is provided with support legs (10).

9. The detachable battery pack according to claim 8, wherein the support feet (10) are sheathed with anti-slip elements.

10. The detachable battery pack according to claim 9, wherein a supporting frame (11) is provided on the inner wall of the case (1), the supporting frame (11) is located above the battery module, and an electric device fixing plate (12) is provided on the supporting frame (11).

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