CN219224060U - Jig with function of automatically pressing battery mechanically - Google Patents
Jig with function of automatically pressing battery mechanically Download PDFInfo
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- CN219224060U CN219224060U CN202223128112.4U CN202223128112U CN219224060U CN 219224060 U CN219224060 U CN 219224060U CN 202223128112 U CN202223128112 U CN 202223128112U CN 219224060 U CN219224060 U CN 219224060U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a fixture with a function of automatically pressing a battery mechanically, which comprises an upper cover and a helium detection box body, wherein an installation groove for placing an object to be detected is formed in the helium detection box body, at least one side wall of the installation groove is a push plate which is arranged in the helium detection box body in a sliding manner, and the upper cover is also connected with a driving assembly which extends towards the helium detection box body; when the upper cover is buckled with the helium detection box body, the driving assembly stretches into the helium detection box body along the first direction and pushes the push plate to the clamping position from the mounting position along the second direction in a collision mode so as to change the width of the mounting groove. This structure allows the battery to be automatically compressed. And a guide post is arranged between two adjacent push plates, the guide post is perpendicular to the push plates, and the push plates are sleeved on the guide posts in a sliding manner. The structure ensures that the push plates move in parallel, and the battery is positioned accurately when being automatically pressed, so that no offset is generated. According to the utility model, through the arrangement, the automatic compaction or release of the battery is realized, the battery is positioned accurately, and the automation level of a helium detection process is improved.
Description
Technical Field
The utility model relates to the technical field of new energy battery processing jigs, in particular to a jig with a function of automatically pressing a battery mechanically.
Background
In the research field of power batteries, the lithium battery has the advantages of large capacity, long service life, environmental protection, no memory effect, strong adaptability to environmental temperature change, high power tolerance and the like, and is widely applied, so that the demand of the lithium battery industry is steadily increased.
Because the lithium battery has various advantages, the lithium battery is widely applied to various downstream fields, has prominent advantages in market competition with traditional batteries such as lead acid, nickel cadmium and the like, and increasingly becomes a battery product with the most rapid increase of sales. Although lithium batteries have significant performance advantages over conventional batteries, the process of manufacturing them is relatively cumbersome and the process is also relatively complex.
In the manufacturing process of lithium batteries, it is necessary to use a helium mass spectrometer leak detector (helium detector) to detect the gas tightness of the manufactured batteries. Helium detectors are specialized equipment for leak detection that use helium as the leak-indicating gas. Filling helium with certain pressure after vacuumizing a battery to be detected, and then placing the battery to be detected in a sealing cavity, wherein the sealing cavity is connected with a leakage detecting port of a helium detector; if the detected battery has leakage and the air tightness is poor, helium leaking into the sealing cavity can be detected by the helium detector. The battery with poor air tightness is selected for repair, and the battery with good air tightness is pumped out of helium gas and then enters the next working procedure of battery production.
A manual operation is required to place the battery in the jig prior to helium testing and to adjust the position of the battery for subsequent testing.
The process of placing the battery in the conventional helium inspection jig has the following problems:
when the existing battery jig is used for helium detection, a battery is required to be manually installed, and the battery is required to be in butt joint with a helium detector, so that the requirement on high precision of the installation position of the battery is met. The manual installation precision can not be met, more time is required to be spent for alignment and other operations, the assembly and disassembly process is complicated, and the production efficiency is low.
Disclosure of Invention
In order to solve the problem that the traditional helium detection jig battery is complicated in the process of manufacturing the lithium battery in the process of placing and disassembling, the utility model provides the jig with the function of automatically pressing the battery mechanically, so that the battery can be automatically pressed or released, the positioning is accurate, and the process of placing and disassembling the battery is simplified.
The technical scheme includes that the fixture with the function of automatically pressing the battery mechanically comprises a helium detection box body and an upper cover, wherein an installation groove for placing an object to be detected is formed in the helium detection box body, at least one side wall of the installation groove is a push plate which is arranged in the helium detection box body in a sliding mode, and the upper cover is further provided with a driving assembly which extends towards the helium detection box body;
when the upper cover is buckled with the helium detection box body, the driving component stretches into the helium detection box body along the first direction and pushes the push plate to the clamping position from the mounting position along the second direction in a collision manner so as to change the width of the mounting groove; the first direction is a direction parallel to the push plate and perpendicular to the helium detection box body, such as the X-axis direction of FIG. 2; the second direction is a direction perpendicular to the push plate, such as the Y-axis direction of FIG. 2 and a direction opposite to the Y-axis; the installation position is the initial position of the object to be measured placed in the installation groove, and the clamping position is the position of the object to be measured when the object to be measured is clamped.
As the preferred embodiment of this scheme, drive assembly includes installation pole and protruding structure, and the bottom surface of upper cover is connected to the one end of installation pole, and protruding structure is connected to the other end of installation pole, and protruding structure contacts the push pedal when upper cover and helium examine the box body lock.
As a preferred embodiment of the scheme, the lower surface of the convex structure is arc-shaped, the upper part of one side of the push plate facing away from the mounting groove is an inclined surface, and the inclined surface faces the upper cover; when the upper cover is buckled with the helium detection box body, the bottom of the protruding structure falls on the inclined plane of the push plate and drives the push plate to move along the second direction.
As a preferred embodiment of the scheme, the lower surface of the protruding structure is cylindrical or rectangular or conical or triangular, the upper part of one side of the push plate facing away from the mounting groove is arc-shaped, and the arc-shaped is towards one side of the mounting groove; when the upper cover is buckled with the helium detection box body, the bottom of the protruding structure falls on the arc of the push plate and drives the push plate to move along the second direction.
As a preferred embodiment of the solution, the protruding structures are roller bearing followers, two roller bearing followers being symmetrically distributed at one end of the mounting bar.
As the preferred embodiment of the scheme, two parallel mounting grooves are arranged on the helium detection box body, and the driving assembly is positioned between the two mounting grooves and drives the pushing plates of the two mounting grooves to synchronously and reversely move.
Through the arrangement, the helium detection jig can process two batteries simultaneously, and therefore working efficiency is improved.
As the preferred embodiment of this scheme, install the guide post between two adjacent push plates, the guide post perpendicular to the push plate, the push plate slip cup joints on the guide post.
Through the arrangement, the movement direction of the pushing plate is fixed, and the pushing plate moves perpendicular to the guide post, so that the batteries move in parallel and do not deviate.
As a preferred embodiment of the solution, a return spring is sleeved on the guide post, at least one end of the return spring is connected with the push plate, and generates elastic force for the push plate to move from the clamping position to the mounting position.
Through above-mentioned setting, reset spring makes the push pedal keep away from the mounting groove, and the space increase of mounting groove is convenient for the installation and the dismantlement of battery.
As a preferred embodiment of the present solution, a sealing ring is provided around the upper surface of the helium detection case.
Through the arrangement, when the upper cover is buckled with the helium detection box body, a sealed cavity is formed under the action of the sealing ring, and the mounting groove and the battery inside the mounting groove are wrapped in the sealed cavity.
As the preferred embodiment of this scheme, be provided with splint in the mounting groove, splint are insulating material and make, and the object of awaiting measuring is placed between two splint.
Through the arrangement, the clamping plate made of the insulating material fixes the object to be measured, so that the safety of the device is improved.
In order to simplify the steps of the helium detection process and improve the automation degree of the battery manufacturing process, a gas injection valve head is arranged on the right side of the upper cover, and the gas injection valve head can be communicated with a gas injection hole on the battery to inject helium into the battery.
In order to increase the stability of the mounting groove, a clamp plate is arranged around the mounting groove; for example, a left clamp plate and a right clamp plate are respectively arranged at the left side and the right side of the mounting groove, a clamp bottom plate is arranged at the bottom of the mounting groove, and a cushion block is arranged below the clamp bottom plate.
Compared with the prior art, the utility model has the following beneficial effects:
the driving component is skillfully arranged in the helium detection jig, so that the helium detection jig is automatically compressed under the driving of the driving component, and the automation degree of battery production is improved; and according to a direction perpendicular to the driving force
The direction is connected with the guide post in a sliding way on the push plate, so that the movement direction of the battery is fixed, the battery is positioned accurately and does not deviate, and the process precision is improved.
Drawings
The utility model is described in detail below with reference to examples and figures, wherein:
fig. 1 is a schematic structural diagram of a fixture with a function of automatically pressing a battery mechanically according to the present utility model;
FIG. 2 is a right side view of a fixture with a mechanical automatic battery compressing function according to the present utility model;
FIG. 3 is a block diagram of a roller tensioning assembly of a jig with a mechanical automatic battery compressing function according to the present utility model;
fig. 4 is a right side view of a clamping assembly of a fixture with a function of mechanically and automatically compressing a battery according to the present utility model.
1. A roller bearing follower; 2. a pushing plate I; 3. a clamping plate 2; 4. a battery; 5. a clamping plate I; 6. a first side backup plate; 7. a return spring; 8. a roller bracket; 9. a guide post; 10. a linear bearing; 11. a return spring; 12. an upper cavity assembly; 13. a pushing plate II; 14. a right clamp plate; 15. a clamp base plate; 16. a cushion block; 17. a second side backup plate; 18. a helium detection lower chamber; 19. vacuum filling the box; 20. a seal ring; 21. and a left clamp plate.
Detailed Description
The present utility model will be described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
The following describes in detail a specific implementation of the present utility model in connection with specific embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "front," "rear," and the like indicate orientations or positional relationships, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Unless otherwise indicated, the meaning of "a plurality" is two or more.
In the processing of lithium batteries, it is necessary to inspect the gas tightness of the batteries using a helium mass spectrometer leak detector (helium inspector). Before helium detection, a detected battery is fixed on a jig, helium with certain pressure is filled into the detected battery, and then the detected battery is kept stand for a period of time, and is detected by a helium detector; because of the ability of the helium detector to selectively identify, the helium leakage of the battery under test can be measured.
The traditional helium detection jig needs to manually place a battery, adjusts the angle of the battery to enable the battery to be suitable for the working requirement of a helium detection machine, and has low production efficiency and more consumed labor cost and time cost; meanwhile, the problems of inaccurate battery positioning, complicated battery placement and disassembly processes and the like are also solved.
In order to solve the above problems, the present utility model provides a helium detecting tool, the structure of which is as follows.
Embodiment one:
the utility model provides a take tool of automatic compress tightly battery function of machinery, includes helium examination box body and upper cover to, be provided with the mounting groove of placing the object of awaiting measuring in helium examination box body, at least one lateral wall of mounting groove is the push pedal that slides to set up in helium examination box body, and the upper cover still is provided with the drive assembly that extends to helium examination box body;
when the upper cover is buckled with the helium detection box body, the driving component stretches into the helium detection box body along the first direction and pushes the push plate to the clamping position from the mounting position along the second direction in a collision manner so as to change the width of the mounting groove; the first direction is a direction parallel to the push plate and perpendicular to the helium detection box body, such as the X-axis direction of FIG. 2; the second direction is perpendicular to the push plate, such as the Y-axis direction of FIG. 2 and the direction opposite to the Y-axis, i.e. for each mounting groove
The second directions are all directions from the mounting position to the clamping position, but the second directions corresponding to the different mounting grooves are not necessarily the same; the installation position is the initial position of the object to be measured placed in the installation groove, and the clamping position is the position of the object to be measured when the object to be measured is clamped.
Referring to fig. 1 for structure, fig. 1 is an overall structure diagram of a helium detecting tool according to the present utility model; the upper cover is an upper cavity assembly 12, and the helium detection box body is a lower cavity assembly; the drive assembly includes installation pole and protruding structure, and the upper cover is the bottom surface of last cavity subassembly 12 is connected to the one end of installation pole, and protruding structure is connected to the other end of installation pole, and protruding structure contacts the push pedal when last cavity subassembly 12 and helium examination box body lock are gone up to the upper cover. In this embodiment, the protruding structure is a roller bearing follower, the lower surface of which is arc-shaped, and two roller bearing followers are symmetrically distributed at one end of the mounting rod.
The upper cavity assembly 12 of the helium detection fixture is of a cuboid structure, the outside of the upper cavity assembly is an upper cavity shell, the bottom of the upper cavity assembly is open, and the inside of the upper cavity assembly is hollow; a driving assembly is installed at the bottom of the upper chamber assembly 12, and a mounting groove is provided at the upper portion of the lower chamber assembly. The lower cavity component is of a cuboid structure, the upper surface is open, and the inside is hollow; the lower cavity assembly comprises a sealing ring 20, a vacuum filling box 19 and a helium detection lower cavity 18; the sealing ring 20 is positioned around the upper surface of the lower cavity assembly, and a vacuum filling box 19 is arranged below the sealing ring 20; the underside of the vacuum filling box 19 is a helium detection lower chamber 18. The lower cavity component is provided with a battery mounting groove. The two sides of the outer side of the mounting groove are provided with a first side backup plate 6 and a second side backup plate 17, and a second slidable push plate 13 is sleeved on the inner wall of one side of the mounting groove.
In order to simplify the steps of the helium testing process and improve the automation degree of the battery manufacturing process, a gas injection valve head is arranged on the side face of the upper cavity assembly 12, and the gas injection valve head can be communicated with a gas injection hole on the battery to inject helium into the battery.
In order to increase the stability of the mounting groove, a clamp plate is arranged around the mounting groove; for example, left and right jig plates 21 and 14 are provided on the left and right sides of the installation groove, a jig bottom plate 15 is provided on the bottom of the installation groove, and a spacer 16 is provided below the jig bottom plate. The clamping plates are made of insulating material, and a pair of clamping plates are used for clamping the battery. A push plate 2 is arranged beside the clamping plate 5 on one side, the upper part of one side of the push plate 2 facing away from the mounting groove is an inclined surface, and the inclined surface faces to the upper cavity assembly 12; when the upper cavity assembly 12 is buckled with the helium detection box, the bottom of the roller bearing follower falls on the inclined plane of the push plate and drives the push plate to move along the second direction.
And a guide post is arranged between the two adjacent push plates, the guide post is perpendicular to the push plates, and the push plates are sleeved on the guide posts in a sliding manner. Through this setting, the direction of motion of push pedal is fixed, and the push pedal moves perpendicularly to the guide post, makes battery parallel movement, does not produce the skew. The direction of the movement of the pushing plate is fixed by the guide post, so that the battery is positioned accurately, the loss of the battery in the helium detection step is reduced, and the accuracy of the battery is ensured.
The guide post is sleeved with a reset spring, at least one end of the reset spring is connected with the push plate, and elastic force for enabling the push plate to move from the clamping position to the mounting position is generated. Through this setting, reset spring makes the push pedal keep away from the mounting groove, and the space increase of mounting groove is convenient for the installation and the dismantlement of battery.
A sealing ring 20 is provided around the upper surface of the helium test cassette. When the upper chamber assembly 12 and helium testing box are engaged, a sealed chamber is formed under the action of the seal ring 20, and the mounting groove and the battery therein are enclosed within the sealed chamber.
The helium detection jig realizes automatic compaction of the battery, and the device can improve the automation degree of the battery manufacturing process.
Embodiment two:
two mounting grooves are arranged in the helium detection box body of the jig with the function of automatically pressing the battery mechanically. Please refer to fig. 2, which is a block diagram of the helium detecting tool mounting groove in the present embodiment. The structure of the helium detection jig is bilaterally symmetrical, clamping plates are arranged at two sides of each mounting groove, a battery is clamped by a pair of clamping plates, and a pushing plate is arranged beside the clamping plate at one side, close to the center, of each mounting groove; the upper portion of the center facing side of both push plates has a bevel facing toward the upper chamber assembly 12.
Please refer to fig. 3, which is a diagram illustrating a driving assembly of the helium detecting tool. The driving assembly is divided into an upper part, a middle part and a lower part, wherein the upper part of the driving assembly is a roller bracket 8 with a cuboid structure, the middle part of the driving assembly is a supporting shaft, and the lower part of the driving assembly is a roller bearing follower 1. The upper surface of the roller bracket 8 is connected with the inner lower surface of the upper cavity assembly 12 and is fixed on the upper cavity assembly 12; return springs 7 are installed at the left and right sides of the roller support 8, a support shaft is installed in the middle of the roller support 8, a guide post 9 is perpendicular to the lower portion of the support shaft, and roller bearing followers 1 are installed at two ends of the guide post 9.
A driving assembly is arranged at the bottom of the upper cavity assembly 12, two roller bearing followers 1 are arranged at the lower part of the driving assembly, and a guide post is connected with the two roller bearing followers 1. The roller bearing follower 1 is a cylindrical knot
The bottom of the structure is provided with radian, and the diameter of the roller bearing follower 1 is larger than the distance between two pushing plates. The roller bearing follower 1 is positioned between the two mounting grooves and drives the push plates of the two mounting grooves to synchronously and reversely move.
Two batteries are respectively placed in the mounting groove, then the upper cavity assembly 12 and the lower cavity assembly are buckled, the roller bearing follower 1 arranged at the bottom of the upper cavity assembly 12 falls between the first push plate 2 and the second push plate 13, and the roller bearing follower 1 drives the push plate to slide, so that the gap of the mounting groove reduces the automatic compression of the batteries.
Referring to FIG. 4, a sliding assembly structure of the helium detecting tool is shown; in order to ensure that the movement of the push plate does not deviate, the first push plate 2 and the second push plate 13 are connected with the guide post 9, the two sides of the guide post 9 are provided with the linear bearings 10, one end of each linear bearing 10 is connected with the first push plate 2 or the second push plate 13, and the structure enables the push plate to move in parallel and does not deviate.
In order to facilitate the installation and the disassembly of the battery in the helium test process, a reset spring 11 is arranged between the two pushing plates; the reset spring 11 makes the gap of the installation groove large, and the installation and disassembly processes of the battery are more convenient.
To enhance the sealing of the seal chamber, a seal ring 20 is provided on the lower chamber body assembly. The sealing ring 20 is positioned around the upper surface of the lower cavity component, and the vacuum filling box 19 and the helium detection lower cavity 18 are arranged at the lower side of the sealing ring 20.
In order to simplify the steps of the helium detection process and improve the automation degree of the battery manufacturing process, an air injection valve head is arranged on the right side of the upper cavity group 12, and the air injection valve head can be communicated with an air injection hole on the battery to inject helium into the battery.
In order to increase the stability of the mounting groove, a clamp plate is arranged around the mounting groove; for example, left and right jig plates 21 and 14 are provided on the left and right sides of the installation groove, a jig bottom plate 15 is provided on the bottom of the installation groove, and a spacer 16 is further provided below the jig bottom plate 15.
The jig with the function of mechanically and automatically compacting the batteries and provided with the two mounting grooves can treat the two batteries simultaneously, so that the working efficiency of the helium detection process is improved.
Embodiment III:
a plurality of mounting grooves are formed in the helium detection box body of the jig with the function of automatically pressing the battery mechanically. Each mounting groove is correspondingly provided with a driving assembly. A battery is arranged in each mounting groove, when the upper cavity component and the lower cavity component are combined together, the driving component stretches into the corresponding mounting groove and rolls
The sub-bearing followers fall on the corresponding push plates. The helium detection fixture with the plurality of mounting grooves can simultaneously process a plurality of batteries, and the working efficiency of the helium detection process is greatly improved.
The utility model provides a fixture with a function of automatically pressing a battery mechanically, which comprises an upper cover and a helium detection box body, wherein an installation groove for placing an object to be detected is formed in the helium detection box body, at least one side wall of the installation groove is a push plate which is arranged in the helium detection box body in a sliding manner, and the upper cover is also connected with a driving assembly which extends towards the helium detection box body; when the upper cover is buckled with the helium detection box body, the driving assembly stretches into the helium detection box body along the first direction and pushes the push plate to the clamping position from the mounting position along the second direction in a collision mode so as to change the width of the mounting groove. This structure allows the battery to be automatically compressed. And a guide post is arranged between two adjacent push plates and is perpendicular to the push plates, and the guide post is sleeved on the two push plates in a sliding way. The structure ensures that the push plates move in parallel, and the battery is positioned accurately when being automatically pressed, so that no offset is generated. The utility model improves the automation degree of helium detection technology, saves manpower and time and improves the precision of the battery. And the compaction and release processes of the battery are simple and convenient, and the helium detection process is simplified.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a take tool of automatic compress tightly battery function of machinery, includes helium examination box body and upper cover, its characterized in that, be provided with the mounting groove of placing the object of awaiting measuring in the helium examination box body, at least one lateral wall of mounting groove is for sliding the push pedal that sets up in the helium examination box body, the upper cover still is connected with towards the drive assembly that the helium examination box body extends;
when the upper cover is buckled with the helium detection box body, the driving assembly stretches into the helium detection box body along a first direction and pushes the push plate to a clamping position from an installation position along a second direction in a collision mode so as to change the width of the installation groove.
2. The jig of claim 1, wherein the driving assembly comprises a mounting rod and a protrusion structure, one end of the mounting rod is connected with the bottom surface of the upper cover, the other end of the mounting rod is connected with the protrusion structure, and the protrusion structure contacts the push plate when the upper cover is buckled with the helium detection box body.
3. The jig according to claim 2, wherein the lower surface of the protruding structure is arc-shaped, and the upper portion of the side of the push plate facing away from the mounting groove is inclined surface, and the inclined surface faces the upper cover; when the upper cover is buckled with the helium detection box body, the bottom of the protruding structure falls on the inclined plane of the push plate and drives the push plate to move along the second direction.
4. The jig according to claim 2, wherein the lower surface of the protruding structure is cylindrical, rectangular, conical or triangular, and the upper part of the side of the push plate facing away from the mounting groove is arc-shaped, and the arc-shaped is toward the side of the mounting groove; when the upper cover is buckled with the helium detection box body, the bottom of the protruding structure falls on the arc of the push plate and drives the push plate to move along the second direction.
5. The jig of claim 2, wherein the raised structures are roller bearing followers, two of which are symmetrically distributed at one end of the mounting bar.
6. The jig of claim 1, wherein two mounting grooves are provided in parallel on the helium test box body, and the driving assembly is located between the two mounting grooves and drives the pushing plates of the two mounting grooves to move in a synchronous and reverse direction.
7. The jig according to claim 6, wherein a guide post is installed between two adjacent push plates, the guide post is perpendicular to the push plates, and the push plates are slidably sleeved on the guide post.
8. The jig of claim 7, wherein the guide post is sleeved with a return spring, at least one end of the return spring being connected to the push plate and generating an elastic force to the push plate to move the push plate from the clamping position toward the mounting position.
9. The jig of claim 1, wherein a sealing ring is provided around the upper surface of the helium test case.
10. The jig according to any one of claims 1 to 9, wherein a clamping plate is provided in the mounting groove, the clamping plate is made of an insulating material, and the object to be measured is placed between the two clamping plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223128112.4U CN219224060U (en) | 2022-11-24 | 2022-11-24 | Jig with function of automatically pressing battery mechanically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223128112.4U CN219224060U (en) | 2022-11-24 | 2022-11-24 | Jig with function of automatically pressing battery mechanically |
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| Publication Number | Publication Date |
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| CN219224060U true CN219224060U (en) | 2023-06-20 |
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| CN202223128112.4U Active CN219224060U (en) | 2022-11-24 | 2022-11-24 | Jig with function of automatically pressing battery mechanically |
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| Country | Link |
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| CN (1) | CN219224060U (en) |
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- 2022-11-24 CN CN202223128112.4U patent/CN219224060U/en active Active
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