Press type quick clamp
By designing a press-type quick fixture, the problem of poor contact between the battery test fixture and the soft-pack battery is solved, stable testing of various battery models is achieved, test efficiency and applicability are improved, and costs are reduced.
Patent Information
- Application Number
- CN202422787358.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-15
AI Technical Summary
Existing battery testing fixtures have difficulty in effectively contacting the positive and negative tabs of soft-pack batteries, resulting in increased contact resistance and affecting the accuracy of test results. In addition, different types of batteries require customized fixtures of different models, which is costly and inflexible.
A press-type quick clamp is designed, which includes a clamp base plate, a positive probe component, a negative probe component and a reset component. The probe spacing is adjusted by a reset limit plate and a compression spring to achieve stable connection of different batteries. It has a simple structure and is easy to disassemble, making it suitable for a variety of battery models.
It achieves stable testing of soft-pack batteries or cylindrical batteries, improves test efficiency and stability, reduces costs, has strong applicability, and can quickly replace batteries to meet the needs of batteries of different specifications and types.
Smart Images

Figure CN223426724U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of clamp technical field, especially a kind of pressing type quick fixture. BACKGROUND
[0002] With the rapid development of electric vehicles, the power battery industry has been fully tapped and grown rapidly. In order to improve the battery density of power battery, soft-pack power lithium battery is now vigorously developed. All battery monomers are subjected to strict testing, aging, screening and other process flows before leaving the factory. The battery testing fixture is an indispensable component in the above process.
[0003] During the design and production of batteries, it is often necessary to detect various parameters of the produced batteries through battery testing equipment to understand the electrical performance of the batteries. During the electrical performance testing of the batteries, the contact between the positive and negative tabs of the battery under test and the test points of the testing equipment is very important. If the contact is not good, it may cause the contact resistance to increase, affecting the accuracy of the test results. Therefore, high requirements are placed on the connection of the battery under test and the battery testing equipment. During testing, the battery under test is connected to the battery testing equipment mainly through a fixture, so that the information of the battery under test is accurately transmitted to the battery testing equipment.
[0004] In existing battery manufacturing, due to different needs, there are various types and specifications of batteries, and the sizes of batteries of different specifications and types are also different, and the distance between the positive and negative tabs of the batteries varies greatly. Therefore, when testing batteries of different models, battery testing fixtures corresponding to different models are required.
[0005] However, the current battery testing fixture mostly tests by contacting the circular spring test probe with the positive and negative contact surfaces of the battery. It is difficult to ensure that the circular spring test probe can fully contact the positive and negative tabs of the soft-pack battery. SUMMARY
[0006] The utility model discloses a kind of pressing type quick fixture to solve the above technical problems, soft-pack battery or cylindrical battery is embedded on the battery cushion block in the middle part of fixture bottom plate, soft-pack battery or cylindrical battery will not fall, it is convenient to test and can realize different kinds of soft-pack battery or cylindrical battery to test it, simple structure, it is convenient to use, simple disassembly, ingenious design, small space occupation, low cost, can quickly replace test soft-pack battery or cylindrical battery, improve work efficiency, it is convenient to test, and can meet the strength requirement.
[0007] The utility model is realized through the following technical solutions:
[0008] A press-type quick clamp includes a clamp base plate, a positive probe component, a negative probe component, and a reset component. A battery pad is provided in the middle of the clamp base plate, a positive probe component is provided on the left side of the clamp base plate, and a negative probe component is provided on the right side of the clamp base plate. A soft-pack battery or a cylindrical battery is provided between the positive probe component and the negative probe component, and the soft-pack battery or the cylindrical battery is embedded in the battery pad in the middle of the clamp base plate. A reset component is provided between the positive probe component and the positive end close to the soft-pack battery or the cylindrical battery.
[0009] Furthermore, the positive probe component includes a positive mounting plate and a positive probe. A positive probe mounting hole is provided in the middle of the positive mounting plate, and positive guide rod through holes are provided on both sides of the positive mounting plate. One end of the positive probe is aligned with the positive electrode of the soft-pack battery or cylindrical battery for testing, and the other end of the positive probe passes through the positive probe mounting hole in the middle of the positive mounting plate and extends to the outside of the positive mounting plate.
[0010] As a further step, the reset component includes a reset mounting plate, a reset limit plate, a reset guide rod, a reset compression spring, and a reset guide rod fixing block, the reset mounting plate is fixed to the lower part of the positive mounting plate by screws, and holes are provided on both sides of the reset mounting plate, and pins are provided on both sides of the bottom of the reset limit plate, the pins are respectively inserted into the holes on both sides of the reset mounting plate and fixed on the reset mounting plate, guide rod circular holes are provided on both sides of the lower part of the reset limit plate, and a card avoidance space is provided in the middle of the reset limit plate, the avoidance space avoids soft-pack batteries or cylindrical batteries to prevent the reset limit plate from contacting soft-pack batteries or cylindrical batteries, the reset guide rod fixing block is located on the left side of the positive mounting plate and is fixed on the bottom plate of the fixture, circular holes are provided on both sides of the reset guide rod fixing block, and the reset guide rod fixing block is in the middle of the reset limit plate. The reset guide rod is provided with a groove, one end of the reset guide rod passes through the positive guide rod through hole of the positive electrode mounting plate and the guide rod circular hole at the lower part of the reset limit piece, and is inserted into the circular hole of the reset guide rod fixing block, and is fixed to the reset guide rod fixing block by a screw. The other end of the reset guide rod is connected to the negative probe component, and a reset compression spring is provided between the reset limit piece and the positive mounting plate. When the reset limit piece is pressed, the reset limit piece compresses the reset compression spring, driving the reset compression spring, the positive mounting plate, and the positive probe to move, thereby adjusting the spacing between the positive probe and the negative probe, facilitating the removal of soft-pack batteries or cylindrical batteries. When the reset limit piece is released, the reset compression spring extends, and the reset compression spring applies thrust to the reset limit piece, causing the edge of the guide rod circular hole to clamp the reset guide rod, thereby fixing the positive mounting plate.
[0011] Furthermore, the negative electrode probe component includes a negative electrode mounting plate and a negative electrode probe. A negative electrode probe mounting hole is provided in the middle of the negative electrode mounting plate, and negative electrode guide rod through holes are provided on both sides of the negative electrode mounting plate. One end of the negative electrode probe is aligned with the negative electrode of the soft-pack battery or cylindrical battery for testing, and the other end of the negative electrode probe passes through the negative electrode probe mounting hole in the middle of the negative electrode mounting plate and extends to the outside of the negative electrode mounting plate. The other end of the reset guide rod is inserted into the negative electrode guide rod through hole of the negative electrode mounting plate and is fixed to the negative electrode mounting plate by screws.
[0012] As a further feature, the reset mounting plate is L-shaped.
[0013] Furthermore, the bottom of the reset limit piece and the pin are integrally formed.
[0014] Furthermore, a scale is provided on one side of the fixture bottom plate.
[0015] The beneficial effects of the present invention are:
[0016] (1) The soft-pack battery or cylindrical battery is embedded in the battery pad in the middle of the bottom plate of the fixture, so the soft-pack battery or cylindrical battery will not fall off, which is convenient for testing and can realize testing of different types of soft-pack batteries or cylindrical batteries. It has a simple structure, is easy to use, can be easily disassembled, has a clever design, occupies a small space, is low in cost, can quickly replace the soft-pack battery or cylindrical battery for testing, improves work efficiency, facilitates testing, and can meet strength requirements;
[0017] (2) A scale is provided on one side of the fixture bottom plate. The push-type quick fixture can test large-sized batteries and can accommodate test fixtures for multiple batteries at the same time.
[0018] (3) There are reset guide rods on both sides of the press-type quick clamp. When the reset limit plate is pressed, the reset limit plate compresses the reset compression spring, driving the reset compression spring, the positive electrode mounting plate, and the positive electrode probe to move, thereby adjusting the distance between the positive electrode probe and the negative electrode probe, making it easier to take the battery. When the reset limit plate is released, the reset compression spring extends, and the reset compression spring applies a thrust to the reset limit plate, causing the edge of the guide rod's circular hole to clamp the reset guide rod, thereby fixing the positive electrode mounting plate and improving the stability and reliability of the test. It is compatible with batteries of various models and sizes, and there is no need to customize multiple soft-pack batteries or cylindrical battery racks, which saves costs and has greater applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the structure of the push-type quick clamp of the utility model;
[0020] Figure 2 This is a schematic diagram of the explosion structure of the push-type quick clamp of the utility model;
[0021] Figure markings: 1. fixture base plate; 11. battery pad; 12. scale; 2. positive probe component; 21. positive mounting plate; 210. positive probe mounting hole; 211. positive guide rod through hole; 22. positive probe; 3. negative probe component; 31. negative mounting plate; 310. negative probe mounting hole; 311. negative guide rod through hole; 32. negative probe; 4. reset component; 41. reset mounting plate; 410. socket; 42. reset limit plate; 420. pin; 421. guide rod circular hole; 422. avoidance position; 43. reset guide rod; 44. reset compression spring; 45. reset guide rod fixing block; 450. circular hole; 451. groove; 5. soft-pack battery or cylindrical battery. DETAILED DESCRIPTION
[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.
[0024] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0025] Refer to Figure 1-Figure 2 As shown, a press-type quick clamp includes a clamp base plate 1, a positive probe component 2, a negative probe component 3, and a reset component 4. A battery pad 11 is provided in the middle of the clamp base plate 1, a positive probe component 2 is provided on the left side of the clamp base plate 1, and a negative probe component 3 is provided on the right side of the clamp base plate 1. A soft-pack battery or cylindrical battery 5 is provided between the positive probe component 2 and the negative probe component 3, and the soft-pack battery or cylindrical battery 5 is embedded in the battery pad 11 in the middle of the clamp base plate 1, and a reset component 4 is provided between the positive probe component 2 and the positive end of the soft-pack battery or cylindrical battery 5.
[0026] Preferably, the positive probe component 2 includes a positive mounting plate 21 and a positive probe 22. A positive probe mounting hole 210 is provided in the middle of the positive mounting plate 21, and positive guide rod through holes 211 are provided on both sides of the positive mounting plate 21. One end of the positive probe 22 is aligned with the positive electrode of the soft-pack battery or cylindrical battery 5 for testing, and the other end of the positive probe 22 passes through the positive probe mounting hole 210 in the middle of the positive mounting plate 21 and extends to the outside of the positive mounting plate 21.
[0027] Preferably, the reset component 4 includes a reset mounting plate 41, a reset limit plate 42, a reset guide rod 43, a reset compression spring 44, and a reset guide rod fixing block 45. The reset mounting plate 41 is fixed to the lower part of the positive mounting plate 21 by screws. Holes 410 are provided on both sides of the reset mounting plate 41. Pins 420 are provided on both sides of the bottom of the reset limit plate 42. The pins 420 are respectively inserted into the sockets 410 on both sides of the reset mounting plate 41 and fixed to the reset mounting plate 41. On the mounting plate 21, the two sides of the lower part of the reset limit piece 42 are provided with guide rod circular holes 421, and the middle part of the reset limit piece 42 is provided with an avoidance position 422. The avoidance position 422 avoids the soft-pack battery or cylindrical battery 5 to prevent the reset limit piece 42 from contacting the soft-pack battery or cylindrical battery 5. The reset guide rod fixing block 45 is located on the left side of the positive mounting plate 21 and is fixed to the clamp bottom plate 21. The reset guide rod fixing block 45 is provided with circular holes 450 on both sides. The reset guide rod fixing block 45 A groove 451 is provided in the middle, one end of the reset guide rod 43 passes through the positive guide rod through hole 210 of the positive electrode mounting plate 21 and the guide rod circular hole 421 at the lower part of the reset limit plate 42 and is inserted into the circular hole 450 of the reset guide rod fixing block 45, and is fixed to the reset guide rod fixing block 45 by screws. The other end of the reset guide rod 43 is connected to the negative electrode probe component 3, and a reset compression spring 44 is provided between the reset limit plate 42 and the positive electrode mounting plate 21. When the reset limit plate 42 is pressed, the reset guide rod 43 is pressed. When the limiting piece 42 is released, the reset limiting piece 42 compresses the reset compression spring 44, driving the reset compression spring 44, the positive electrode mounting plate 21, and the positive electrode probe 22 to move, thereby adjusting the distance between the positive electrode probe 22 and the negative electrode probe 32, making it easier to take out the soft-pack battery or cylindrical battery 5. When the reset limiting piece 42 is released, the reset compression spring 44 extends, and the reset compression spring 44 applies a thrust to the reset limiting piece 42, causing the edge of the guide rod circular hole 421 to clamp the reset guide rod 43, thereby fixing the positive electrode mounting plate 21.
[0028] Preferably, the negative electrode probe component 3 includes a negative electrode mounting plate 31 and a negative electrode probe 32. A negative electrode probe mounting hole 310 is provided in the middle of the negative electrode mounting plate 31, and negative electrode guide rod through holes 311 are provided on both sides of the negative electrode mounting plate 31. One end of the negative electrode probe 32 is aligned with the negative electrode of the soft-pack battery or cylindrical battery 5 for testing, and the other end of the negative electrode probe 32 passes through the negative electrode probe mounting hole 310 in the middle of the negative electrode mounting plate 31 and extends to the outside of the negative electrode mounting plate 31. The other end of the reset guide rod 43 is inserted into the negative electrode guide rod through hole 311 of the negative electrode mounting plate 31 and is fixed to the negative electrode mounting plate 31 by screws.
[0029] Preferably, the reset mounting plate 41 is L-shaped.
[0030] Preferably, the bottom of the reset limit piece 42 and the pin 420 are integrally formed.
[0031] Preferably, a scale 12 is provided on one side of the fixture base plate 1 .
[0032] To sum up, reset guide rods are also provided on both sides of the press-type quick clamp. When the reset limit plate is pressed, the reset limit plate compresses the reset compression spring, driving the reset compression spring, the positive mounting plate, and the positive probe to move, thereby adjusting the distance between the positive probe and the negative probe, making it easier to take the soft-pack battery or cylindrical battery. When the reset limit plate is released, the reset compression spring extends, and the reset compression spring applies a thrust to the reset limit plate, causing the edge of the circular hole of the guide rod to clamp the reset guide rod, thereby fixing the positive mounting plate, and improving the stability and reliability of the test. It is compatible with soft-pack batteries or cylindrical batteries of various models and sizes, and there is no need to customize multiple soft-pack batteries or cylindrical battery racks, which saves costs and has greater applicability.
[0033] Based on the disclosure and teachings of the above description, those skilled in the art may also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and any modifications and variations of the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although certain specific terms are used in this description, these terms are for convenience of description only and do not constitute any limitation to the present invention.
Claims
1. A press-type quick clamp, characterized by: It includes a fixture base plate, a positive probe component, a negative probe component, and a reset component. A battery pad is provided in the middle of the fixture base plate, a positive probe component is provided on the left side of the fixture base plate, and a negative probe component is provided on the right side of the fixture base plate. A soft-pack battery or a cylindrical battery is provided between the positive probe component and the negative probe component, and the soft-pack battery or the cylindrical battery is embedded in the battery pad in the middle of the fixture base plate. A reset component is provided between the positive probe component and the positive end close to the soft-pack battery or the cylindrical battery.
2. The push-type quick clamp according to claim 1, characterized in that: The positive probe component includes a positive mounting plate and a positive probe. A positive probe mounting hole is provided in the middle of the positive mounting plate, and positive guide rod through holes are provided on both sides of the positive mounting plate. One end of the positive probe is aligned with the positive electrode of the soft-pack battery or cylindrical battery for testing, and the other end of the positive probe passes through the positive probe mounting hole in the middle of the positive mounting plate and extends to the outside of the positive mounting plate.
3. The push-type quick clamp according to claim 2, characterized in that: The reset component includes a reset mounting plate, a reset limit plate, a reset guide rod, a reset compression spring, and a reset guide rod fixing block. The reset mounting plate is fixed to the lower part of the positive mounting plate by screws. Holes are provided on both sides of the reset mounting plate. Pins are provided on both sides of the bottom of the reset limit plate. The pins are respectively inserted into the sockets on both sides of the reset mounting plate and fixed to the reset mounting plate. Guide rod circular holes are provided on both sides of the lower part of the reset limit plate. An avoidance position is provided in the middle of the reset limit plate. The avoidance position avoids soft-pack batteries or cylindrical batteries to prevent the limit plate from contacting soft-pack batteries or cylindrical batteries. The reset guide rod fixing block is located on the left side of the positive mounting plate and is fixed to the bottom plate of the fixture. Circular holes are provided on both sides of the reset guide rod fixing block, and a groove is provided in the middle of the reset guide rod fixing block. One end of the reset guide rod passes through the positive guide rod through hole of the positive electrode mounting plate and the guide rod circular hole at the lower part of the reset limit piece and is inserted into the circular hole of the reset guide rod fixing block, and is fixed to the reset guide rod fixing block by a screw. The other end of the reset guide rod is connected to the negative probe component, and a reset compression spring is provided between the reset limit piece and the positive electrode mounting plate. When the reset limit piece is pressed, the reset limit piece compresses the reset compression spring, driving the reset compression spring, the positive electrode mounting plate, and the positive probe to move, thereby adjusting the distance between the positive probe and the negative probe, facilitating the removal of soft-pack batteries or cylindrical batteries. When the reset limit piece is released, the reset compression spring extends, and the reset compression spring applies a thrust to the reset limit piece, causing the edge of the guide rod circular hole to clamp the reset guide rod, thereby fixing the positive electrode mounting plate.
4. The push-type quick clamp according to claim 3, characterized in that: The negative electrode probe component includes a negative electrode mounting plate and a negative electrode probe. A negative electrode probe mounting hole is provided in the middle of the negative electrode mounting plate, and negative electrode guide rod through holes are provided on both sides of the negative electrode mounting plate. One end of the negative electrode probe is aligned with the negative electrode of the soft-pack battery or cylindrical battery for testing. The other end of the negative electrode probe passes through the negative electrode probe mounting hole in the middle of the negative electrode mounting plate and extends to the outside of the negative electrode mounting plate. The other end of the reset guide rod is inserted into the negative electrode guide rod through hole of the negative electrode mounting plate and is fixed to the negative electrode mounting plate by screws.
5. The push-type quick clamp according to claim 3, characterized in that: The reset mounting plate is L-shaped.
6. The push-type quick clamp according to claim 3, characterized in that: The bottom of the reset limit piece and the pin are integrally formed.
7. The push-type quick clamp according to claim 1, characterized in that: A scale is provided on one side of the fixture bottom plate.