CN219956469U

CN219956469U - Auxiliary measurement jig for battery cell

Info

Publication number: CN219956469U
Application number: CN202320298056.4U
Authority: CN
Inventors: 刘光; 宾桂青; 卿艳华; 刘仕臻; 吕品风
Original assignee: Shenzhen Xinwangda Intelligent Technology Co ltd
Current assignee: Shenzhen Xinwangda Intelligent Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-11-03
Anticipated expiration: 2033-02-15

Abstract

The utility model provides an auxiliary measurement jig for an electric core, which belongs to the technical field of electric core size detection and comprises the following components: the bottom plate is provided with a clamping groove; the clamping groove is provided with a head jacking block; the first sliding block and the second sliding block form two adjacent side walls of the clamping groove at one end of the first sliding block and one end of the second sliding block, which face the clamping groove, and are suitable for being abutted against two adjacent side edges on the battery cell body. According to the auxiliary measurement jig for the battery cells, when the battery cell bodies with different specifications and types are met, the head jacking blocks can be replaced according to the sizes and the positions of the electrode lugs of the battery cell bodies, so that in the battery detection process, the sizes of the clamping grooves are adjusted only by moving the positions of the first sliding block and the second sliding block, and the head jacking blocks are replaced according to the types of the battery cell bodies.

Description

Auxiliary measurement jig for battery cell

Technical Field

The utility model relates to the technical field of battery cell size detection, in particular to an auxiliary battery cell measurement jig.

Background

Currently in the field of battery packaging, there is a variety of battery sizes and head structures. In the battery production process, the semi-finished product of the battery is often required to be detected, and because of different production stages of the semi-finished product of the battery and different sizes of batteries of different projects, different auxiliary measuring jigs are required to be manufactured to adapt to the semi-finished product batteries with different sizes and different head structures, and the compatibility of the single auxiliary measuring jig is poor.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects of the prior art that different auxiliary measuring jigs are required to be manufactured correspondingly and compatibility is poor in different production stages of semi-finished batteries and different sizes of batteries in different projects, thereby providing an auxiliary measuring jig for a battery core.

In order to solve the above technical problems, the present utility model provides an auxiliary measurement jig for a battery cell, including:

the bottom plate is provided with a clamping groove suitable for accommodating the battery cell body;

a head jacking block is detachably arranged on one side of the clamping groove and is suitable for being abutted with the head structure of the battery cell body;

the first sliding block and the second sliding block are both slidably mounted on the bottom plate, the first sliding block is arranged at one end far away from the head of the battery cell body, one sliding end of the first sliding block, which faces the clamping groove, can be abutted to the tail of the head of the battery cell body, and one sliding end of the second sliding block, which faces the clamping groove, can be abutted to one side edge of the battery cell body adjacent to the tail.

Optionally, the sliding plate further comprises a first plate body and a second plate body, wherein the first plate body is arranged on the bottom plate along the sliding direction of the first sliding block, and the second plate body is arranged on the bottom plate along the sliding direction of the second sliding block;

the first plate body is provided with a first chute, the second plate body is provided with a second chute, the first sliding block is slidably arranged in the first chute, and the second sliding block is slidably arranged in the second chute;

the first sliding block is arranged at one end of the head part, facing the clamping groove, of the first sliding block, the first sliding block is suitable for being abutted with the tail part, the second sliding block is arranged at one end of the head part, facing the clamping groove, of the second sliding block, and the second sliding block is suitable for being abutted with one side edge of the adjacent tail part;

the extending direction of the first sliding groove is perpendicular to the extending direction of the second sliding groove.

Optionally, a first sliding rail is arranged in the first sliding groove, the first sliding block is slidably mounted on the first sliding rail, a first boss extends out of one side of the first plate body far away from the battery core body, a first guide column extends out of the first boss along the sliding direction of the first sliding block, and the first sliding block is sleeved on the first guide column and can slide along the first guide column;

the first guide post is sleeved with a first elastic piece, one end of the first elastic piece is connected to the first boss, the other end of the first elastic piece is connected to the first sliding block, and the first elastic piece has elastic force enabling the first sliding block to slide towards the clamping groove.

Optionally, the portable electronic device further comprises a first button block which is slidably mounted in the first boss, and the head of the first button block extends out of the upper surface of the first boss;

the first button block extends out of the first button block towards the clamping groove, and a first groove suitable for being clamped with the first hook part is formed in the bottom surface of the first sliding block (2).

Optionally, a first sliding column is arranged in the first boss, and the axis of the first sliding column is perpendicular to the sliding direction of the first sliding block;

the first button block is slidably mounted on the first sliding column, a second elastic piece is sleeved on the first sliding column, the second elastic piece is located between the first button block and the first boss, and the second elastic piece has elastic force enabling the first button block to protrude out of the upper surface of the first boss.

Optionally, a second sliding rail is arranged in the second sliding groove, the second sliding block is slidably mounted on the second sliding rail, a second boss extends out of one side of the second plate body far away from the battery core body, a second guide column extends out of the second boss along the sliding direction of the second sliding block, and the second sliding block is sleeved on the second guide column and can slide along the second guide column;

the second guide post is sleeved with a third elastic piece, one end of the third elastic piece is connected to the second boss, the other end of the third elastic piece is connected to the second slider, and the third elastic piece has elastic force enabling the second slider to slide towards the clamping groove.

Optionally, the portable electronic device further comprises a second button block which is slidably mounted on the second boss, and the head of the second button block extends out of the upper surface of the second boss;

the second button block extends out of the second hook part towards the clamping groove, and a second groove suitable for being clamped with the second hook part is formed in the bottom surface of the second sliding block.

Optionally, a second sliding column is arranged in the second boss, and the axis of the second sliding column is perpendicular to the sliding direction of the second sliding block;

the second button block is slidably mounted on the second sliding column, a fourth elastic piece is sleeved on the second sliding column and located between the second button block and the second boss, and the fourth elastic piece has elastic force enabling the second button block to protrude out of the upper surface of the second boss.

Optionally, the sliding block further comprises a first fixing block and a second fixing block, wherein the first fixing block is fixedly installed on the upper surface of the first sliding block, and the second fixing block is fixedly installed on the upper surface of the second sliding block.

Optionally, the head top block is mounted on the bottom plate by a screw;

the head ejector block is provided with a groove towards one side of the clamping groove, and the groove is used for accommodating a lug of the battery cell body or a connector of a protection plate of the battery cell body.

The technical scheme of the utility model has the following advantages:

1. according to the auxiliary measurement jig for the battery cells, the clamping grooves capable of containing the battery cell bodies are formed in the bottom plate, the head jacking blocks are detachably connected to one sides of the clamping grooves, the first sliding blocks and the second sliding blocks slide, the sizes of the clamping grooves can be changed to adapt to the sizes of the battery cell bodies with different specifications, and when the battery cell bodies with different specifications meet, the head jacking blocks can be replaced according to the sizes and the positions of the electrode lugs of the battery cell bodies, so that in the battery detection process, the sizes of the clamping grooves are adjusted only by moving the positions of the first sliding blocks and the second sliding blocks, and the head jacking blocks can be replaced according to the types of the battery cell bodies.

2. According to the auxiliary measurement jig for the battery cell, the first sliding block is installed in the first sliding groove through the first sliding rail, the first guide column is arranged in the first sliding groove, the first elastic piece is sleeved on the first guide column, and under the action of the elastic force of the first elastic piece, the first sliding block can squeeze the battery cell body to limit the battery cell body, and an operator does not need to manually fix the second sliding block at the moment, so that the operation is simpler and more convenient.

3. According to the auxiliary measurement jig for the battery cell, provided by the utility model, under the action of the first button block, the first slider can be clamped on the first button block through the matching of the first groove and the first hook part, at the moment, the first slider is positioned at a position far away from the battery cell, after the battery cell body is placed in the clamping groove, an operator presses the first button block, the first hook part of the first button block does not limit the first groove any more, and the first slider slides towards the battery cell body under the action of the elastic force of the first elastic piece until the first slider is abutted to the battery cell body.

Drawings

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

Fig. 1 is a schematic structural diagram of an auxiliary measurement fixture for a battery cell, which is provided by an embodiment of the present utility model and is provided with a battery cell body;

fig. 2 is a schematic structural diagram of an auxiliary measurement fixture for a battery cell according to an embodiment of the present utility model;

FIG. 3 is an exploded view of an auxiliary measurement jig for a battery cell according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram illustrating connection of components in a sliding direction of a first slider according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a component in the sliding direction of a first slider according to an embodiment of the present utility model;

FIG. 6 is an exploded view of a first slider and a first plate according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a first button block according to an embodiment of the present utility model;

fig. 8 is a schematic diagram of a jig structure of different head top blocks according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a bottom plate; 2. a first slider; 3. a second slider; 4. a head top block; 5. a cell body; 6. a first push block; 7. a second push block; 8. a clamping groove; 9. a first plate body; 91. a first boss; 10. a second plate body; 11. a first slide rail; 12. a first guide post; 13. a first elastic member; 14. a first button block; 141. a first hook portion; 15. a first strut; 16. a cover plate; 17. a suction cup; 18. a first fixed block; 19. a third elastic member; 20. a second fixed block; 21. a clamping block; 22. a first trench.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

This embodiment provides a specific implementation mode of supplementary measurement tool of electric core, as shown in fig. 1 and 2, offered the draw-in groove 8 that can hold electric core body 5 on the bottom plate 1, one side detachably of draw-in groove 8 is connected with head kicking block 4, slidable mounting has first slider 2 and second slider 3 on bottom plate 1, the slip direction mutually perpendicular of first slider 2 and second slider 3, and the one end of first slider 2 and second slider 3 orientation draw-in groove 8 can the adjacent two sides on the butt electric core body 5, simultaneously, two adjacent lateral walls of draw-in groove 8 are formed to the one end of first slider 2 and second slider 3 orientation draw-in groove. Through the slip of first slider 2 and second slider 3, can change draw-in groove 8's size, with the size of the electric core body 5 of adaptation different specification models, and when meetting electric core body 5 of different specification models, can change head kicking block 4 according to the size and the position of its utmost point ear, make in battery detection process, only need remove the position of first slider 2 and second slider 3, adjust draw-in groove 8's size, and change head kicking block 4 according to the model of electric core body 5 can, easy and simple to handle, can adapt to the battery auxiliary measurement of many specifications, many models, need not to make a corresponding auxiliary measurement tool to each kind of battery, only need change head kicking block 4 can.

In this embodiment, a first plate body 9 and a second plate body 10 are installed on the bottom plate 1, the first plate body 9 is arranged on the bottom plate along the sliding direction of the first sliding block 2, the second plate body 10 is arranged on the bottom plate along the sliding direction of the second sliding block 3, a first sliding groove is formed in the first plate body 9, the first sliding block 2 is slidably installed in the first sliding groove, a first push block 6 is installed at the end part of the first sliding block 2, the first push block 6 can be abutted with the electric core body 5, and the first sliding block 2 is abutted with the electric core body 5 through the first push block 6; a second sliding groove is formed in the second plate body 10, the second sliding block 3 is slidably mounted in the second sliding groove, a second pushing block 7 is mounted at the end part of the second sliding block 3, the second pushing block 7 can be abutted with the battery cell body 5, and the second sliding block 3 is abutted with the battery cell body 5 through the second pushing block 7. The extending direction of the first sliding groove is perpendicular to the extending direction of the second sliding groove, and the first sliding groove and the second sliding groove are communicated with the clamping groove 8.

In this embodiment, as shown in fig. 3, a first sliding rail 11 is disposed in the first sliding groove, the first slider 2 is mounted in the first sliding groove through the first sliding rail 11, as shown in fig. 4, a first boss 91 extends from a side of the first board body 9 away from the battery core body 5, a first guide post 12 extends from the first boss 91 along the sliding direction of the first slider 2, the first slider 2 is sleeved on the first guide post 12 and can slide along the first guide post 12, a first elastic member 13 is sleeved on the first guide post 12, one end of the first elastic member 13 is connected to the first boss 91, the other end of the first elastic member 13 is connected to the first slider 2, and the first elastic member 13 has an elastic force that makes the first slider 2 slide towards the clamping groove 8. Under the action of the elastic force of the first elastic piece 13, the first sliding block 2 can extrude the battery cell body 5 to limit the battery cell body 5, and an operator is not required to manually fix the first sliding block 2 at this time, so that the operation is simpler and more convenient.

Specifically, a clamping block 21 is arranged between the first sliding block 2 and the first sliding rail 11, wherein the clamping block 21 is fixedly installed on the bottom surface of the first sliding block 2, the clamping block 21 is slidably installed on the first sliding rail 11, and the first sliding block 2 is slidably installed on the first sliding rail 11 through the clamping block 21.

Specifically, the first boss 91 is provided with first guide posts 12 on two sides of the slide rail 11, and one end of each first guide post 12 is fixedly connected to the boss, and the other end is slidably connected to the first slider 2. Alternatively, one end of the first guide post 12 may be fixedly connected to the first slider 2, and the other end may be slidably connected to the first boss 91.

As shown in fig. 4, 5 and 6, a first button block 14 is provided on the first boss 91, the first button block 14 is slidably mounted in the first boss 91, and an end portion of the first button block 14 protrudes from the cover plate 16 of the upper surface of the first boss 91. As shown in fig. 7, the first button block 14 has a barb-shaped first hook 141 extending in the direction of the card slot 8, the bottom surface of the first slider 2 is provided with a first groove 22 matching the first hook 141, and when the first slider 2 slides toward the first boss 91, the first groove 22 can be engaged with the first hook 141.

Specifically, a first sliding column 15 is disposed inside the first boss 91, the axis of the first sliding column 15 is perpendicular to the sliding direction of the first sliding block 2, the first button block 14 is slidably mounted on the first sliding column 15, a second elastic member is sleeved on the first sliding column 15, the second elastic member is located between the first button block 14 and the first boss 91, and the second elastic member has an elastic force that makes the first button block 14 protrude out of the cover plate 16. When the battery cell body 5 is not placed in the clamping groove 8, the first sliding block 2 can be moved to the first groove 22 to be clamped with the first hook part 141, and in the process of placing the battery cell body 5, an operator does not need to manually pull the first sliding block 2 to move, so that the accommodating space of the battery cell body 5 is ensured; after the electric core body 5 is placed in the clamping groove 8, an operator presses the first button block 14, the button block moves downwards, the first groove 22 is separated from the first hook portion 141, the first sliding block 2 moves towards the electric core body 5 under the action of the biasing force of the first elastic piece 13 until the first pushing block 6 abuts against the electric core body and limits the electric core body 5.

Under the effect of first button piece 14, first slider 2 can pass through the cooperation joint of first slot 22 and first hook 141 on first button piece 14, and first slider 2 is in the position of keeping away from the electric core this moment, and after electric core body 5 was placed in draw-in groove 8, operating personnel pressed first button piece 14, and first hook 141 of first button piece 14 no longer carries out spacingly to first slot 22, and first slider 2 slides towards electric core body 5 under the elastic force effect of first elastic component 13, until first slider 2 butt to electric core body 5.

In this embodiment, be equipped with the second slide rail in the second spout, second slider 3 installs in the second spout through the second slide rail, second plate body 10 has the second boss in keeping away from one side of electric core body 5 to stretch out, it has the second guide post to stretch out along second slider 3 slip direction on the second boss, second slider 3 cover is established on the second guide post to can slide along the second guide post, the cover is equipped with third elastic component 19 on the second guide post, third elastic component 19 one end is connected on the second boss, the other end is connected on second slider 3, third elastic component 19 has the elastic force that makes second slider 3 towards draw-in groove 8 slip. Under the elastic force of the third elastic piece 19, the second sliding block 3 can extrude the battery cell body 5 to limit the battery cell body 5, and at the moment, an operator does not need to manually keep the position of the second sliding block 3, so that the operation is simpler and more convenient.

Specifically, the second guide posts are arranged on the second boss and located on two sides of the second sliding rail, one end of each second guide post is fixedly connected to the second boss, and the other end of each second guide post is slidably connected to the second sliding block 3. As an alternative embodiment, one end of the second guiding post may be fixedly connected to the second slider 3, and the other end is slidably connected to the second boss.

A second button block is provided on the second boss, the second button block being slidably mounted within the second boss, and an end of the second button block extending beyond the cover plate 16 of the upper surface of the second boss. The second button block extends out of the inverted hook-shaped second hook part towards the clamping groove 8, a second groove matched with the second hook part is formed in the bottom surface of the second slider 3, and the second groove can be clamped onto the second hook part when the second slider 3 slides towards the second boss.

Specifically, a second sliding column is arranged in the second boss, the axis of the second sliding column is perpendicular to the sliding direction of the second sliding block 3, the second button block is slidably mounted on the second sliding column, a fourth elastic piece is sleeved on the second sliding column and located between the second button block and the second boss, and the fourth elastic piece has elastic force enabling the second button block to protrude out of the cover plate 16. When the battery core body 5 is not placed in the clamping groove 8, the second sliding block 3 can be moved to the second groove to be clamped with the second hook part, and in the process of placing the battery core body 5, an operator does not need to manually pull the second sliding block 3 to move, so that the accommodating space of the battery core body 5 is ensured; after the electric core body 5 is placed in the clamping groove 8, an operator presses the second button block, the button block moves downwards, the second groove is separated from the second hook part, the second sliding block 3 moves towards the electric core body 5 under the action of the elastic force of the third elastic piece 19 until the second pushing block 7 abuts against the electric core body and limits the electric core body 5.

Under the effect of second button piece, second slider 3 can pass through the cooperation joint of second slot and second hook portion on the second button piece, and second slider 3 is in the position of keeping away from the electric core this moment, and after electric core body 5 was placed in draw-in groove 8, operating personnel pressed the second button piece, and the second hook portion of second button piece no longer carries out spacingly to the second slot, and second slider 3 slides towards electric core body 5 under the elastic force effect of third elastic component 19, until second slider 3 butt to electric core body 5.

In this embodiment, a first fixing block 18 is further disposed on the first slider 2, the first fixing block 18 is fixedly mounted on the upper surface of the first slider 2, and an operator can manually control the first fixing block 18 to drive the first slider 2 to slide, so as to clamp the first slider 2 on the first hook 141 of the first button block 14. The second slider 3 is further provided with a second fixing block 20, the second fixing block 20 is fixedly arranged on the upper surface of the second slider 3, and an operator can manually control the second fixing block 20 to drive the second slider 3 to slide so as to clamp the second slider 3 on the second hook part of the second button block.

As shown in fig. 8, in the initial processing stage, the tab of the battery cell body 5 extends out of the slot 8, and the head top block 4 is located in the area facing the slot 8 and has a groove contacting with the tab of the battery cell body 5; in the middle stage of processing, the lug on the battery cell body 5 is bent, the bent lug is attached to the side face of the battery cell body 5, in the process, a groove for accommodating the lug is not required to be arranged on the head jacking block 4, and the side face, attached with the lug, of the battery cell body 5 is only required to be abutted against the side face of the head jacking block 4; at the stage of finished product of the battery cell body 5, the electrode lugs on the battery cell body 5 are attached to the side face of the battery cell body 5, and are packaged, at this time, the side face of the packaged battery cell body 1 is only required to be abutted to the side face of the head jacking block 4, and the positions and the shapes of grooves on the head jacking block 4 are different corresponding to the battery cell body 5 in different processing steps. When carrying out auxiliary measurement to electric core body 5, put into electric core body 5 in draw-in groove 8, only need change corresponding head body can, easy and simple to handle.

In this embodiment, a suction cup 17 is mounted on the bottom surface of the base plate 1 for fixing the base plate 1.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While obvious variations or modifications are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides an supplementary measurement tool of electricity core which characterized in that includes:

the battery cell comprises a bottom plate (1), wherein a clamping groove (8) suitable for accommodating a battery cell body (5) is formed in the bottom plate (1);

a head jacking block (4) is detachably arranged on one side of the clamping groove (8), and the head jacking block (4) is suitable for being abutted with the head structure of the battery cell body (5);

the battery cell comprises a bottom plate (1), a first sliding block (2) and a second sliding block (3), wherein the first sliding block (2) and the second sliding block (3) are slidably mounted on the bottom plate (1), the first sliding block (2) is arranged at one end away from the head of the battery cell body (5), one sliding end of the first sliding block (2) faces the clamping groove (8) and can be abutted to the tail of the head of the battery cell body (5), and one sliding end of the second sliding block (3) faces the clamping groove (8) and can be abutted to one side edge of the battery cell body (5) adjacent to the tail.

2. The battery cell auxiliary measurement jig according to claim 1, further comprising a first plate body (9) and a second plate body (10), wherein the first plate body (9) is mounted on the base plate (1) along the sliding direction of the first slider (2), and the second plate body (10) is mounted on the base plate (1) along the sliding direction of the second slider (3);

the first plate body (9) is provided with a first sliding groove, the second plate body (10) is provided with a second sliding groove, the first sliding block (2) is slidably arranged in the first sliding groove, and the second sliding block (3) is slidably arranged in the second sliding groove;

a first push block (6) is arranged at one end of the first slide block (2) towards the head of the clamping groove (8), the first push block (6) is suitable for being abutted against the tail, a second push block (7) is arranged at one end of the second slide block (3) towards the head of the clamping groove (8), and the second push block (7) is suitable for being abutted against one side edge of the adjacent tail;

3. The auxiliary measurement jig for the battery cell according to claim 2, wherein a first sliding rail (11) is arranged in the first sliding groove, the first sliding block (2) is slidably mounted on the first sliding rail (11), a first boss (91) is extended from one side of the first plate body (9) far away from the battery cell body (5), a first guide column (12) is extended from the first boss (91) along the sliding direction of the first sliding block (2), and the first sliding block (2) is sleeved on the first guide column (12) and can slide along the first guide column (12);

the first guide column (12) is sleeved with a first elastic piece (13), one end of the first elastic piece (13) is connected to the first boss (91), the other end of the first elastic piece is connected to the first sliding block (2), and the first elastic piece (13) has elastic force enabling the first sliding block (2) to slide towards the clamping groove (8).

4. The auxiliary measurement jig for a battery cell according to claim 3, further comprising a first button block (14) slidably mounted in the first boss (91), and a head of the first button block (14) protruding from an upper surface of the first boss (91);

the first button block (14) extends out of the first hook portion (141) towards the clamping groove (8), and a first groove (22) suitable for being clamped with the first hook portion (141) is formed in the bottom surface of the first sliding block (2).

5. The auxiliary measurement jig for the battery cell according to claim 4, wherein a first sliding column (15) is arranged in the first boss (91), and the axis of the first sliding column (15) is perpendicular to the sliding direction of the first sliding block (2);

the first button block (14) is slidably mounted on the first sliding column (15), a second elastic piece is sleeved on the first sliding column (15), the second elastic piece is located between the first button block (14) and the first boss (91), and the second elastic piece has elastic force enabling the first button block (14) to protrude out of the upper surface of the first boss (91).

6. The auxiliary measurement jig for the battery cell according to claim 2, wherein a second sliding rail is arranged in the second sliding groove, the second sliding block (3) is slidably mounted on the second sliding rail, a second boss is extended from one side of the second plate body (10) far away from the battery cell body (5), a second guide post is extended from the second boss along the sliding direction of the second sliding block (3), and the second sliding block (3) is sleeved on the second guide post and can slide along the second guide post;

the second guide post is sleeved with a third elastic piece (19), one end of the third elastic piece (19) is connected to the second boss, the other end of the third elastic piece is connected to the second sliding block (3), and the third elastic piece (19) has elastic force enabling the second sliding block (3) to slide towards the clamping groove (8).

7. The auxiliary measurement jig for a battery cell according to claim 6, further comprising a second button block slidably mounted on the second boss, and a head of the second button block protruding from an upper surface of the second boss;

the second button block extends out of the second button block towards the clamping groove (8), and a second groove suitable for being clamped with the second hook part is formed in the bottom surface of the second sliding block (3).

8. The battery cell auxiliary measurement jig according to claim 7, wherein a second sliding column is arranged in the second boss, and the axis of the second sliding column is perpendicular to the sliding direction of the second sliding block (3);

9. The cell auxiliary measurement jig according to any one of claims 1 to 8, further comprising a first fixing block (18) and a second fixing block (20), wherein the first fixing block (18) is fixedly mounted on the upper surface of the first slider (2), and the second fixing block (20) is fixedly mounted on the upper surface of the second slider (3).

10. The cell auxiliary measurement jig according to any one of claims 1 to 8, wherein the head top block (4) is mounted on the bottom plate (1) by a screw;

the head jacking block (4) is provided with a groove towards one side of the clamping groove (8), and the groove is used for accommodating a lug of the battery cell body (5) or a connector of a protection plate of the battery cell body (5).