CN214350533U

CN214350533U - Clamp apparatus

Info

Publication number: CN214350533U
Application number: CN202023203385.1U
Authority: CN
Inventors: 谢镇天; 周金勇; 陈慧; 吴王亮; 李海军; 蔡惠群
Original assignee: Yinlong New Energy Co Ltd
Current assignee: Yinlong New Energy Co Ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-08
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a clamp. The clamp includes: a base; the clamping assembly is arranged on the base and comprises a base body and a pushing structure arranged on the base body; the mounting assembly is arranged on the base and is provided with a mounting space for mounting the battery module; the pressing plate is positioned above the mounting assembly; the clamping assemblies are arranged on one side of the mounting assembly, the clamping assemblies are arranged on the other side of the mounting assembly, and the pushing structures of the clamping assemblies on the two sides of the mounting assembly push the pressing plate so as to press the pressing plate on the battery module. The utility model discloses the problem that processing battery module in-process has increased staff intensity of labour among the prior art has been solved effectively.

Description

Clamp apparatus

Technical Field

The utility model relates to a battery technology field particularly, relates to an anchor clamps.

Background

At present, with the continuous development of new energy, a power battery becomes a core power supply device of a new energy automobile. In the prior art, the series connection and the parallel connection between the battery modules are usually realized by welding the lugs of the battery modules, and the welding quality of the battery modules is directly influenced by accurate positioning between the battery modules and compaction between the lugs and the connecting row in the welding process.

However, in the prior art, the battery module is usually assembled in a manual positioning and manual compacting mode, which not only affects the welding quality of the battery module, but also increases the labor intensity of workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anchor clamps to processing battery module in-process has increased staff intensity of labour's problem among the solution prior art.

In order to achieve the above object, the present invention provides a clamp, including: a base; the clamping assembly is arranged on the base and comprises a base body and a pushing structure arranged on the base body; the mounting assembly is arranged on the base and is provided with a mounting space for mounting the battery module; the pressing plate is positioned above the mounting assembly; the clamping assemblies are arranged on one side of the mounting assembly, the clamping assemblies are arranged on the other side of the mounting assembly, and the pushing structures of the clamping assemblies on the two sides of the mounting assembly push the pressing plate so as to press the pressing plate on the battery module.

Further, each clamping assembly further comprises: the connecting rod is arranged on the seat body, the connecting rod penetrates through the pressing plate, and the pressing plate can slide along the connecting rod; and the elastic structure is sleeved on the connecting rod and is positioned below the pressing plate so as to apply elastic force moving towards one side far away from the mounting assembly to the pressing plate.

Further, the connecting rod is one; or the connecting rods are multiple and all penetrate through the pressing plate.

Further, the pedestal includes bottom plate, two curb plates and roof, and two curb plates set up relatively, and the roof is connected with the bottom plate through two curb plates, and the roof has the screw hole, pushes away structure and screw hole threaded connection, and each centre gripping subassembly still includes: the operating handle is arranged at the first end of the pushing structure, and the second end of the pushing structure is used for pushing the pressing plate.

Furthermore, two ends of the connecting rod are respectively connected with the bottom plate and the top plate, and each connecting rod extends along the height direction of the clamp.

Furthermore, the connecting rod comprises a first rod body section, a second rod body section and a third rod body section which are sequentially connected, the first rod body section is provided with a first rotation stopping surface, the first rotation stopping surface is matched with the bottom plate in a rotation stopping way, the third rod body section is provided with a second rotation stopping surface, and the second rotation stopping surface is matched with the top plate in a rotation stopping way; the elastic structure is sleeved on the second rod body section.

Further, the mounting assembly includes: a plurality of mounting structures surrounding to form a mounting space; each mounting structure includes interconnect's first plate body and second plate body, is the contained angle setting between first plate body and the second plate body, and the second plate body is connected with the base through first plate body.

Further, the pushing structure is rod-shaped, and the second end of the pushing structure is a spherical surface.

Further, the platen includes: the compression joint body is provided with a plurality of concave parts, and each concave part is used for a lug of the battery module to pass through; the plurality of extending parts are all arranged on the side edge of the crimping body, and the pushing structure is used for pushing the extending parts; wherein, a plurality of extensions and a plurality of centre gripping subassembly one-to-one set up.

Further, the platen further includes: the bearing parts are arranged in one-to-one correspondence with the extending parts, and each bearing part is detachably arranged on the extending part corresponding to the bearing part and is in contact with the pushing structure.

Use the technical scheme of the utility model, the centre gripping subassembly is a plurality of, and at least one centre gripping subassembly sets up in one side of installation component, and at least one centre gripping subassembly sets up at the opposite side of installation component, and the top that is located the centre gripping subassembly of the both sides of installation component pushes away the structure top and pushes away the clamp plate. Like this, add man-hour to the battery module as needs, place the battery module in the installation space of installation component to fix a position the battery module through the installation component, install the clamp plate in the top of installation component and battery module again. And then, pushing structures positioned on two sides of the mounting assembly push the pressing plate downwards and press the pressing plate on the battery module, so that the battery module is compacted, and subsequent welding operation is facilitated.

Adopt artifical location, artifical compaction to compare among the prior art, the installation component of anchor clamps in this application replaces the manual work to fix a position, push away the structure and push away clamp plate compaction battery module in order to replace artifical compaction to the battery module, and then has solved the problem that has increased staff intensity of labour among the prior art processing battery module in-process, has reduced staff's intensity of labour, and guarantees the processingquality of battery module, has reduced the defective percentage.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic perspective view of an embodiment of a clamp according to the present invention;

FIG. 2 shows an enlarged schematic view at A of the clamp of FIG. 1; and

fig. 3 shows a perspective view of the clamping assembly of the clamp of fig. 1.

Wherein the figures include the following reference numerals:

10. a base; 20. a clamping assembly; 21. a base body; 211. a base plate; 212. a side plate; 213. a top plate; 22. a pushing structure; 23. a connecting rod; 231. a second rod segment; 232. a third rod segment; 24. an elastic structure; 25. an operating handle; 30. mounting the component; 31. an installation space; 32. a mounting structure; 321. a first plate body; 322. a second plate body; 40. pressing a plate; 41. crimping the body; 411. a recess; 42. an extension portion; 43. a bearing part; 50. a battery module is provided.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the labor intensity of workers is increased in the process of processing the battery module in the prior art, the application provides a clamp.

As shown in fig. 1 to 3, the jig includes a base 10, a clamping assembly 20, a mounting assembly 30, and a pressing plate 40. The clamping assembly 20 is disposed on the base 10, and the clamping assembly 20 includes a seat body 21 and a pushing structure 22 disposed on the seat body 21. The mounting assembly 30 is provided on the base frame 10, and the mounting assembly 30 has a mounting space 31 for mounting the battery module 50. The platen 40 is positioned above the mounting assembly 30. The clamping assemblies 20 are multiple, at least one clamping assembly 20 is arranged on one side of the mounting assembly 30, at least one clamping assembly 20 is arranged on the other side of the mounting assembly 30, and the pushing structures 22 of the clamping assemblies 20 on the two sides of the mounting assembly 30 push the pressing plate 40 so as to press the pressing plate 40 on the battery module 50.

By applying the technical solution of the embodiment, the number of the clamping assemblies 20 is multiple, at least one clamping assembly 20 is disposed on one side of the mounting assembly 30, at least one clamping assembly 20 is disposed on the other side of the mounting assembly 30, and the pushing structures 22 of the clamping assemblies 20 located on both sides of the mounting assembly 30 push the pressing plate 40. In this way, when it is necessary to process the battery module, the battery module is placed in the installation space 31 of the installation member 30 to position the battery module through the installation member 30, and then the pressing plate 40 is installed above the installation member 30 and the battery module. Then, the pushing structures 22 located at both sides of the mounting assembly 30 push the pressing plate 40 downward and press the pressing plate 40 on the battery module, so as to compact the battery module, thereby facilitating the subsequent welding operation.

Compared with the prior art in which manual positioning and manual compaction are adopted, the mounting assembly 30 of the clamp in the embodiment replaces manual work to position the battery module, the pushing structure 22 pushes the pressing plate 40 to compact the battery module so as to replace manual compaction, so that the problem that the labor intensity of workers is increased in the process of processing the battery module in the prior art is solved, the labor intensity of the workers is reduced, the processing quality of the battery module is ensured, and the defective rate is reduced.

In the present embodiment, the mounting assembly 30 is used to position the battery module, and the pressing plate 40 is used to compact the battery module, thereby ensuring that the battery module is welded in the most stable state.

In this embodiment, there are two clamping assemblies 20, and the two clamping assemblies 20 are respectively located at two sides of the mounting assembly 30 for pushing two sides of the pressing plate 40, so as to increase the pushing force of the pressing plate 40 on the battery module.

It should be noted that the number of the clamping assemblies 20 is not limited to this, and can be adjusted according to the working condition. Optionally, the clamping assembly 20 is three, or four, or five, or six, or more.

As shown in fig. 1 to 3, each clamping assembly 20 further comprises a connecting rod 23 and a resilient structure 24. Wherein, the connecting rod 23 is arranged on the base body 21, the connecting rod 23 is arranged on the pressing plate 40 in a penetrating way, and the pressing plate 40 can slide along the connecting rod 23. The elastic structure 24 is sleeved on the connecting rod 23 and located below the pressure plate 40, so as to apply an elastic force to the pressure plate 40, wherein the elastic force moves towards the side away from the mounting assembly 30. In this way, the pressing plate 40 can slide along the extending direction of the connecting rod 23 to ensure that the pressing plate 40 performs lifting movement along the preset direction, and the sliding stability of the pressing plate 40 is improved. Meanwhile, the elastic structure 24 serves to apply an elastic restoring force to the pressing plate 40 to accomplish the restoration of the pressing plate 40.

Specifically, the extending direction of the connecting rod 23 is consistent with the height direction of the jig, so as to guide the lifting movement of the pressing plate 40, and improve the sliding stability of the pressing plate 40. Optionally, the elastic structure 24 is a spring, and the spring is sleeved outside the connecting rod 23 and used for applying an elastic restoring force to the pressing plate 40, so that the pressing plate 40 can perform a compaction operation on the next wave battery module.

Optionally, the connecting rod 23 is one; alternatively, a plurality of tie bars 23 are provided, and each tie bar 23 is inserted into the platen 40. Like this, above-mentioned setting makes the number of connecting rod 23 more nimble to satisfy different use condition, and then reduced staff's intensity of labour.

In this embodiment, each clamping assembly 20 includes three connecting rods 23, and three connecting rods 23 are all parallel to each other, and then have promoted the direction reliability of connecting rod 23 to clamp plate 40, ensure that clamp plate 40 can carry out elevating movement along the direction of height of anchor clamps. The side that clamp plate 40 and each centre gripping subassembly 20 are connected has three via hole, and three via hole sets up with three connecting rod 23 one-to-one, and three via hole is around forming triangular structure on clamp plate 40 to make connecting rod 23 more stable to the guide effect of clamp plate 40.

It should be noted that the number of the connecting rods 23 in each clamping assembly 20 is not limited to this, and can be adjusted according to the working condition. Optionally, each clamping assembly 20 comprises two, or four, or five, or more connecting rods 23.

The number of through holes provided on the side of the pressure plate 40 connected to each clamp unit 20 is not limited to this, and may be the same as the number of connecting rods 23 included in each clamp unit 20. Optionally, the side of the platen 40 to which each clamping assembly 20 is attached has two, or four, or five, or more vias.

As shown in fig. 1 and 3, the base 21 includes a bottom plate 211, two side plates 212 and a top plate 213, the two side plates 212 are disposed opposite to each other, the top plate 213 is connected to the bottom plate 211 through the two side plates 212, the top plate 213 has a threaded hole, the pushing structure 22 is in threaded connection with the threaded hole, and each of the clamping assemblies 20 further includes an operating handle 25. Wherein, the operating handle 25 is disposed on a first end of the pushing structure 22, and a second end of the pushing structure 22 is used for pushing the pressing plate 40. Therefore, on one hand, the structure of the seat body 21 is simpler, the processing and the realization are easy, and the processing cost and the processing difficulty of the seat body 21 are reduced; on the other hand, the structural stability of the seat body 21 is improved. Meanwhile, the arrangement of the operating handle 25 facilitates the operation of the pushing structure 22 by the worker, and improves the use experience.

Specifically, the bottom plate 211, the two side plates 212 and the top plate 213 surround to form a mounting cavity, the pushed portion of the pressing plate 40 is located in the mounting cavity, and the second end of the pushing structure 22 pushes the pressing plate 40, so that the pressing plate 40 performs a lifting motion in the mounting cavity. The pushing structure 22 has an externally threaded section. When the battery module is pressed by a worker, the worker holds the operating handle 25 and screws the operating handle to enable the external thread section to move up and down relative to the threaded hole, and then the pushing effect of the pushing structure 22 on the pressing plate 40 is achieved.

As shown in fig. 1 and 3, both ends of the connecting bar 23 are connected to the bottom plate 211 and the top plate 213, respectively, and each connecting bar 23 extends in the height direction of the jig. Thus, the connection between the connecting rod 23 and the base 21 is more stable, and the connecting rod 23 is prevented from shaking relative to the base 21 to affect the lifting motion of the pressing plate 40.

As shown in fig. 2, the connecting rod 23 comprises a first rod section, a second rod section 231 and a third rod section 232 connected in sequence, the first rod section has a first rotation-stopping surface, the first rotation-stopping surface is in rotation-stopping fit with the bottom plate 211, the third rod section 232 has a second rotation-stopping surface, and the second rotation-stopping surface is in rotation-stopping fit with the top plate 213. The resilient structure 24 is fitted over the second rod segment 231. Thus, the above arrangement can prevent the connecting rod 23 from rotating relative to the bottom plate 211 and the top plate 213 and affecting the structural stability of the seat body 21.

Specifically, first rotation stopping surface and second rotation stopping surface are polygonal surfaces, the bottom plate 211 has a first polygonal hole, the top plate 213 has a second polygonal hole, the first rod section extends into the first polygonal hole and is matched with the first polygonal hole in a rotation stopping manner, the third rod section 232 extends into the second polygonal hole and is matched with the second polygonal hole in a rotation stopping manner, and therefore the connection stability between the connecting rod 23 and the base body 21 is improved, and the lifting motion of the pressing plate 40 is prevented from being influenced by relative rotation between the first rod section and the second rod section.

In this embodiment, the first rotation stopping surface and the second rotation stopping surface are both rectangular surfaces, and the first polygonal hole and the second polygonal hole are both rectangular holes, so that the connection rod 23 and the seat body 21 can be processed more easily and conveniently, and the processing cost of the clamping assembly 20 is reduced.

The shapes of the first rotation stop surface and the second rotation stop surface are not limited to the above shapes, and may be adjusted according to the operating conditions. Optionally, the first rotation stop surface is a triangular surface, a pentagonal surface, a hexagonal surface, or a polygonal surface. Optionally, the second rotation stop surface is a triangular surface, a pentagonal surface, a hexagonal surface, or a polygonal surface.

Optionally, the mounting assembly 30 includes a plurality of mounting structures 32. Wherein a plurality of mounting structures 32 surround and form the mounting space 31. Each mounting structure 32 includes a first board 321 and a second board 322 connected to each other, the first board 321 and the second board 322 are disposed at an included angle, and the second board 322 is connected to the base 10 through the first board 321. Thus, the structure of the mounting assembly 30 is simpler, the mounting assembly is easy to process and realize, and the processing cost and the processing difficulty of the mounting assembly 30 are reduced.

Specifically, the first plate 321 and the second plate 322 are perpendicular to each other, and the first plate 321 and the base 10 are parallel to each other, so that the second plate 322 extends along the height direction of the fixture and performs a limiting stop on the battery module. Meanwhile, a plurality of mounting structures 32 surround and form the mounting space 31 for performing a limit stopper for the battery module and replacing manual positioning. Thus, in the process of compacting the battery modules by the pressing plate 40, the arrangement can prevent the battery modules from shifting to affect the compacting operation of the pressing plate 40.

In this embodiment, the number of the mounting structures 32 is six, two mounting structures 32 are located on the first side of the battery module and are arranged at intervals along the length direction of the battery module, two mounting structures 32 are located on the second side of the battery module and are arranged at intervals along the length direction of the battery module, and two mounting structures 32 are arranged relatively and are located on two sides of the battery module so as to be used for positioning the length direction and the width direction of the battery module.

In the embodiment, the pushing structure 22 is rod-shaped, and the second end of the pushing structure 22 is a spherical surface. Therefore, on one hand, the structure of the pushing structure 22 is simpler, the processing and the realization are easy, and the processing cost of the pushing structure 22 is reduced; on the other hand, the contact surface between the pushing structure 22 and the pressing plate 40 is a smooth surface, so that the pressing plate 40 and the pushing structure 22 are prevented from being damaged to influence the service life of the clamp.

Optionally, the pressure plate 40 includes a crimp body 41 and a plurality of extensions 42. The crimp body 41 has a plurality of recesses 411, and each recess 411 is used for a tab of the battery module 50 to pass through. A plurality of extending portions 42 are disposed on the side of the crimping body 41, and the pushing structure 22 is used for pushing the extending portions 42. Wherein the plurality of extensions 42 are disposed in one-to-one correspondence with the plurality of clamping assemblies 20. Thus, the pushing structure 22 pushes the extending part 42, and the crimping body 41 is used for compacting the battery module, so that the structure of the pressing plate 40 is simpler, the processing and the implementation are easy, and the processing cost of the pressing plate 40 is reduced. Meanwhile, the plurality of recesses 411 can accurately press the tab positions of the battery modules, the sizes of the recesses 411 are consistent, and the welding of the whole battery module is completed by adjusting the positions of the welding heads through programs.

In this embodiment, there are two extending portions 42, the two extending portions 42 are disposed corresponding to the two clamping assemblies 20 one by one, and the two extending portions 42 are respectively located at two sides of the crimping body 41, so that the pushing force of the pushing structure 22 acting on the pressing plate 40 is more uniform and consistent.

The number and the installation position of the extending portions 42 are not limited to this, and may be the same as the number of the clamp assemblies 20. Optionally, there are three, or four, or five, or more extensions 42.

Optionally, the platen 40 further comprises a plurality of bearing portions 43. The plurality of bearing portions 43 and the plurality of extending portions 42 are disposed in a one-to-one correspondence, and each bearing portion 43 is detachably disposed on the corresponding extending portion 42 and contacts with the pushing structure 22. Thus, the bearing portion 43 is detachably provided on the extension portion 42, so that the replacement of the bearing portion 43 is easier and simpler.

In this embodiment, there are two bearing portions 43, the two bearing portions 43 and the two extending portions 42 are disposed in one-to-one correspondence, and each pushing structure 22 pushes the corresponding bearing portion 43. Optionally, the bearing portion 43 is made of silicone or rubber, so as to prevent the relative sliding between the bearing portion 43 and the pushing structure 22 from affecting the pushing effect of the pushing structure 22.

In this embodiment, the base 10 has a plurality of threaded holes, and the mounting assembly 30 and the clamping assembly 20 are both mounted on the base 10 by bolts or screws, so that the clamp can be more easily and conveniently mounted and dismounted, and the labor intensity of workers is reduced.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the clamping assemblies are multiple, at least one clamping assembly is arranged on one side of the mounting assembly, at least one clamping assembly is arranged on the other side of the mounting assembly, and pushing structures of the clamping assemblies on the two sides of the mounting assembly push the pressing plates. Like this, add man-hour to the battery module as needs, place the battery module in the installation space of installation component to fix a position the battery module through the installation component, install the clamp plate in the top of installation component and battery module again. And then, pushing structures positioned on two sides of the mounting assembly push the pressing plate downwards and press the pressing plate on the battery module, so that the battery module is compacted, and subsequent welding operation is facilitated.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamp, comprising:

a base (10);

the clamping assembly (20) is arranged on the base (10), and the clamping assembly (20) comprises a seat body (21) and a pushing structure (22) arranged on the seat body (21);

a mounting assembly (30) provided on the base (10), the mounting assembly (30) having a mounting space (31) for mounting a battery module (50);

a platen (40) located above the mounting assembly (30);

the clamping assemblies (20) are multiple, at least one clamping assembly (20) is arranged on one side of the mounting assembly (30), at least one clamping assembly (20) is arranged on the other side of the mounting assembly (30), and pushing structures (22) of the clamping assemblies (20) located on two sides of the mounting assembly (30) push the pressing plate (40) so as to press the pressing plate (40) on the battery module (50).

2. The clamp of claim 1, wherein each of said clamping assemblies (20) further comprises:

the connecting rod (23) is arranged on the base body (21), the connecting rod (23) penetrates through the pressure plate (40), and the pressure plate (40) can slide along the connecting rod (23);

the elastic structure (24) is sleeved on the connecting rod (23) and located below the pressing plate (40) so as to apply elastic force to the pressing plate (40) and move towards one side far away from the mounting assembly (30).

3. The clamp according to claim 2, characterized in that said connecting rod (23) is one; or, the connecting rods (23) are multiple, and each connecting rod (23) penetrates through the pressure plate (40).

4. The clamp of claim 2, wherein the base (21) comprises a bottom plate (211), two side plates (212) and a top plate (213), the two side plates (212) are disposed opposite to each other, the top plate (213) is connected to the bottom plate (211) through the two side plates (212), the top plate (213) has a threaded hole, the pushing structure (22) is in threaded connection with the threaded hole, and each clamping assembly (20) further comprises:

the operating handle (25), operating handle (25) set up on the first end of top pushing structure (22), the second end of top pushing structure (22) is used for pushing away clamp plate (40).

5. The clamp according to claim 4, wherein both ends of the connecting rod (23) are connected to the bottom plate (211) and the top plate (213), respectively, and each of the connecting rods (23) extends in a height direction of the clamp.

6. The clamp according to claim 4, characterized in that said connecting rod (23) comprises, connected in series, a first rod section having a first anti-rotation surface in anti-rotation engagement with said bottom plate (211), a second rod section (231) having a second anti-rotation surface in anti-rotation engagement with said top plate (213), and a third rod section (232); the elastic structure (24) is sleeved on the second rod body section (231).

7. The clamp according to claim 1, wherein the mounting assembly (30) comprises:

a plurality of mounting structures (32), a plurality of the mounting structures (32) surrounding the mounting space (31); each mounting structure (32) include interconnect's first plate body (321) and second plate body (322), first plate body (321) with be the contained angle setting between second plate body (322), second plate body (322) pass through first plate body (321) with base (10) are connected.

8. The clamp according to claim 1, characterized in that said pushing structure (22) is rod-shaped, the second end of said pushing structure (22) being a spherical surface.

9. The clamp according to claim 4, characterized in that the pressure plate (40) comprises:

a crimp body (41) having a plurality of recesses (411), each of the recesses (411) being for a tab of the battery module (50) to pass through;

a plurality of extensions (42) each provided on a side of the crimp body (41), the urging structure (22) for urging the extensions (42); wherein the plurality of extensions (42) are arranged in one-to-one correspondence with the plurality of clamping assemblies (20).

10. The clamp according to claim 9, wherein the pressure plate (40) further comprises:

the bearing parts (43) are arranged in one-to-one correspondence with the extending parts (42), and each bearing part (43) is detachably arranged on the corresponding extending part (42) and is in contact with the pushing structure (22).