Connection assembly for lithium battery detection

Abstract

The utility model belongs to the technical field of lithium battery detection, and particularly relates to a connection assembly for lithium battery detection, which comprises a detection equipment body and two first sliding chutes, the two first sliding chutes are symmetrically arranged on the detection equipment body, and a plurality of sliding blocks are respectively connected in the two first sliding chutes in a sliding manner. Two clamping plates are fixedly connected between the multiple sliding blocks. The first rotating groove is formed in the detection equipment body and communicates with the two first sliding grooves, a first transmission rod and a second transmission rod are rotationally connected into the first rotating groove, a plurality of second sliding grooves are formed in the first transmission rod and the second transmission rod correspondingly, and a plurality of transmission blocks are slidably connected into the second sliding grooves correspondingly; according to the utility model, the problem that when the detection equipment is used, the connection assembly on the detection platform can only fix the lithium battery of a single model and cannot fix the lithium battery of any size on the detection platform, resulting in low practicability is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery detection, and in particular relates to a connection component for lithium battery detection. Background Art

[0002] Lithium battery testing connectors generally refer to the hardware components used to connect the test equipment and lithium batteries during the lithium battery testing process. These components may include but are not limited to the following:

[0003] Battery clamps: These clamps hold the positive and negative electrodes of lithium batteries, ensuring a stable and secure electrical connection with the test equipment during testing. They must possess excellent conductivity, stability, and durability.

[0004] Connecting wires: These are used to connect the battery fixture and test equipment, transmitting current and voltage signals. These connecting wires must have excellent conductivity, insulation, and corrosion resistance to ensure the accuracy and safety of test results.

[0005] Test interface: This interface on the test equipment is used to receive signals from the lithium battery and control the test process. The test interface needs to have good versatility and stability to be compatible with lithium batteries of different models and specifications.

[0006] These connectors play a crucial role in lithium battery testing. They ensure a stable and reliable electrical connection between the test equipment and the lithium battery, thereby ensuring the accuracy and reliability of the test results. At the same time, these components must also have good safety and durability to cope with various complex situations that may arise during the testing process.

[0007] For example, the Chinese patent with publication number CN220730385U discloses a detection device for lithium batteries, which relates to the field of lithium battery detection technology. The detection device for lithium batteries is intended to solve the technical problem that lithium batteries of different sizes cannot be detected and processed under the existing technology; the detection device includes a base plate; a support frame is fixedly installed on the upper end of the base plate, a height adjustment component is provided at the upper end of the support frame, a mounting plate is provided at the bottom end of the height adjustment component, a spacing adjustment component is provided on the inner side of the mounting plate, a mounting ring is provided on the outer side of the spacing adjustment component, two groups of mounting rings are provided, an electrical pole is provided on the inner side of the mounting ring, a detection table is provided on the outer side of the support frame, and a positioning baffle is fixedly installed on the upper end of the base plate; the detection device for lithium batteries clamps the lithium battery in the positioning baffle, drives the mounting ring to move in opposite directions through the spacing adjustment component, and drives the electrical pole to move and adjust through the mounting ring, so as to realize adjustment processing of lithium batteries of different sizes.

[0008] The above patent has the following problems:

[0009] This patent has some shortcomings when used. For example, when the above-mentioned testing equipment is in use, the connecting assembly on its testing platform can only fix lithium batteries of a single model, and cannot fix lithium batteries of any size on the testing platform, resulting in its low practicality. In view of this, we propose a connecting assembly for lithium battery testing. Utility Model Content

[0010] The purpose of the present utility model is to provide a connection assembly for lithium battery testing to solve the problems raised in the above background technology.

[0011] In view of this, the present invention provides a connection assembly for lithium battery testing, comprising:

[0012] A detection device body and two first chutes, wherein the two first chutes are symmetrically arranged on the detection device body, a plurality of sliders are slidably connected in the two first chutes, and two clamping plates are fixedly connected between the plurality of sliders;

[0013] A first rotating groove is provided in the detection device body and is connected to the two first sliding grooves, a first transmission rod and a second transmission rod are rotatably connected in the first rotating groove, a plurality of second sliding grooves are respectively provided on the first transmission rod and the second transmission rod, a plurality of transmission blocks are slidably connected in the plurality of second sliding grooves, and one end of the plurality of transmission blocks respectively extends into the two first sliding grooves and is respectively fixed to the plurality of sliders;

[0014] A rotating assembly, the rotating assembly being located in the detection device body and being used to drive the first transmission rod and the second transmission rod to rotate;

[0015] Two third chutes, the two third chutes are respectively opened in the two clamping plates and connected to the outside, and two clamping blocks are slidably connected in the third chutes;

[0016] Two driving assemblies are respectively located in the two clamping plates and are used to drive the corresponding two clamping blocks to move.

[0017] Based on the above structure, by providing the first slide groove and the slider, it is ensured that the multiple sliders can slide in the two first slide grooves respectively, by providing the first rotation groove, the first transmission rod and the second transmission rod, by ensuring that the first transmission rod and the second transmission rod can rotate in the first rotation groove, by providing the rotation component, it is ensured that the user can drive the first transmission rod and the second transmission rod to rotate in opposite directions through the rotation component, by providing the clamping plate, the second slide groove and the transmission block, it is ensured that the transmission block can slide in the second slide groove, and when the first transmission rod and the second transmission rod rotate in opposite directions, the first transmission rod and the second transmission rod will squeeze the multiple transmission blocks respectively through the multiple second slide grooves, so that the multiple transmission blocks respectively drive the multiple sliders to move, so that the multiple sliders respectively drive the two clamping plates closer to each other, so that the two clamping plates fix one side of the lithium battery, by providing the third slide groove and the clamping block, it is ensured that the two clamping blocks can slide in the third slide groove, by providing the driving component, it is ensured that the user can drive the two second transmission rods closer to or away from each other through the driving component, so that the two clamping blocks fix the other two sides of the lithium battery.

[0018] In the above technical solution, further, the rotating assembly includes:

[0019] A gear groove, wherein the gear groove is provided in the detection device body and is connected to the first rotating groove, a first bevel gear and a second bevel gear are rotatably connected in the gear groove, and one end of the first bevel gear extends into the first rotating groove and is fixed to the bottom surface of the first transmission rod, one end of the second bevel gear passes through the first bevel gear and the first transmission rod and is fixed to the bottom surface of the second transmission rod, a third bevel gear is meshed between the first bevel gear and the second bevel gear, and the third bevel gear is located in the gear groove and is rotatably connected to the gear groove;

[0020] The second rotating groove is opened on the bottom surface of the inner wall of the gear groove and is connected to the outside world. A worm wheel is rotatably connected in the second rotating groove, and one end of the worm wheel extends into the gear groove and is fixed to the bottom surface of the second bevel gear. One side of the worm wheel is engaged with a worm that rotates with the second rotating groove, and one end of the worm wheel passes through the inner wall of the second rotating groove and extends to the outside world and is rotatably connected to the detection equipment body.

[0021] In this technical solution, it is ensured that the two clamps can fix one side of the lithium battery.

[0022] In the above technical solution, further, one end of the first bevel gear is rotationally connected to the first rotation groove, and one end of the second bevel gear is rotationally connected to the first bevel gear and the first transmission rod.

[0023] In this technical solution, it is ensured that one end of the first bevel gear can rotate normally in the first rotation groove, and it is ensured that one end of the second bevel gear can rotate normally in the first bevel gear and the first transmission rod.

[0024] In the above technical solution, further, one end of the worm wheel is rotationally connected to the gear groove.

[0025] In this technical solution, it is ensured that one end of the worm wheel can rotate normally in the gear groove.

[0026] In the above technical solution, further, the driving component includes:

[0027] A bidirectional threaded rod is rotatably connected to the inner wall of the third slide groove and is threadedly connected to the two clamping blocks. One end of the bidirectional threaded rod is fixedly connected to the rotating block, and one end of the rotating block passes through the inner wall of the third slide groove and extends to the outside to be rotatably connected to the clamping plate.

[0028] In this technical solution, it is ensured that the multiple clamps can fix the other two sides of the lithium battery, and then the user starts the detection device body to allow the detection device body to detect the lithium battery.

[0029] In the above technical solution, further, the two sections of threads on the bidirectional threaded rod have opposite rotation directions.

[0030] In this technical solution, it is ensured that when the bidirectional threaded rod rotates, the two clamping blocks will be moved closer to or away from each other under the action of the threads of the bidirectional threaded rod.

[0031] The beneficial effects of the utility model are:

[0032] The lithium battery detection connection component ensures that the multiple sliders can slide in the two first slide grooves respectively through the first sliding groove and the slider, ensures that the first transmission rod and the second transmission rod can rotate in the first rotating groove through the first rotating groove, and ensures that the user can drive the first transmission rod and the second transmission rod to rotate in opposite directions through the rotating component. The splint, the second sliding groove and the transmission block are provided to ensure that the transmission block can slide in the second sliding groove, and ensure that when the first transmission rod and the second transmission rod rotate in opposite directions, the first transmission rod and the second transmission rod will be squeezed respectively through the multiple second sliding grooves. By pressing multiple transmission blocks, the multiple transmission blocks respectively drive the multiple sliders to move, and the multiple sliders respectively drive the two clamps to approach each other, so that the two clamps fix two sides of the lithium battery. By setting the third slide groove and the clamp block, it is ensured that the two clamp blocks can slide in the third slide groove. By setting the driving component, it is ensured that the user can use the driving component to drive the two second transmission rods to approach or move away from each other, so that the two clamp blocks fix the other two sides of the lithium battery. This solves the problem that when the detection equipment is in use, the connecting component on its detection platform can only fix a single model of lithium battery, and cannot fix lithium batteries of any size on the detection platform, resulting in low practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0034] Figure 2 It is a schematic diagram of the explosion structure of the area of ​​the utility model;

[0035] Figure 3 This is a schematic diagram of the internal structure of the plywood of the utility model;

[0036] Figure 4 This is one of the internal structure diagrams of the detection device body of the utility model;

[0037] Figure 5 This is the second schematic diagram of the internal structure of the detection equipment body of the utility model.

[0038] The marks in the figure are:

[0039] 1. Detection equipment body; 2. First slide; 3. Slider; 4. Clamp; 5. First rotating groove; 6. First transmission rod; 7. Second transmission rod; 8. Second slide; 9. Transmission block; 10. Third slide; 11. Clamp; 12. Gear groove; 13. First bevel gear; 14. Second bevel gear; 15. Third bevel gear; 16. Second rotating groove; 17. Worm gear; 18. Worm; 19. Bidirectional threaded rod; 20. Rotating block. DETAILED DESCRIPTION

[0040] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0041] In the description of this application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0042] It should be noted that the terms "first," "second," etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and that the objects distinguished by "first," "second," etc. are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0043] It should be noted that, in the description of this application, the directions or positional relationships indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional terms do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional terms "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0044] It should be noted that, in the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0045] Example 1:

[0046] See also Figure 1 - Figure 5 As shown, this embodiment provides a connection assembly for lithium battery testing, including:

[0047] A detection device body 1 and two first chutes 2, the two first chutes 2 are symmetrically arranged on the detection device body 1, a plurality of sliders 3 are slidably connected in the two first chutes 2, and two clamping plates 4 are fixedly connected between the plurality of sliders 3;

[0048] A first rotating groove 5 is provided in the detection device body 1 and is connected to the two first chutes 2. A first transmission rod 6 and a second transmission rod 7 are rotatably connected in the first rotating groove 5. The first transmission rod 6 and the second transmission rod 7 are respectively provided with a plurality of second chutes 8. A plurality of transmission blocks 9 are slidably connected in the plurality of second chutes 8, and one end of the plurality of transmission blocks 9 extends into the two first chutes 2 and is respectively fixed to the plurality of sliders 3;

[0049] The rotating assembly is located in the detection device body 1 and is used to drive the first transmission rod 6 and the second transmission rod 7 to rotate;

[0050] Two third chutes 10, the two third chutes 10 are respectively opened in the two clamping plates 4 and connected to the outside, and two clamping blocks 11 are slidably connected in the third chutes 10;

[0051] Two driving assemblies are respectively located in the two clamping plates 4 and are used to drive the corresponding two clamping blocks 11 to move.

[0052] Example 2:

[0053] This embodiment provides a connection assembly for lithium battery testing. In addition to the technical solutions of the above embodiments, it also has the following technical features. The rotating assembly includes:

[0054] Gear slot 12, the gear slot 12 is opened in the detection equipment body 1 and is connected to the first rotating slot 5, the gear slot 12 is rotatably connected to the first bevel gear 13 and the second bevel gear 14, and one end of the first bevel gear 13 extends into the first rotating slot 5 and is fixed to the bottom surface of the first transmission rod 6, one end of the second bevel gear 14 passes through the first bevel gear 13 and the first transmission rod 6 and is fixed to the bottom surface of the second transmission rod 7, a third bevel gear 15 is meshed between the first bevel gear 13 and the second bevel gear 14, and the third bevel gear 15 is located in the gear slot 12 and is rotatably connected to the gear slot 12;

[0055] The second rotating groove 16 is opened on the bottom surface of the inner wall of the gear groove 12 and is connected to the outside world. A worm gear 17 is rotatably connected in the second rotating groove 16, and one end of the worm gear 17 extends into the gear groove 12 and is fixed to the bottom surface of the second bevel gear 14. A worm 18 that rotates with the second rotating groove 16 is engaged on one side of the worm gear 17, and one end of the worm gear 18 passes through the inner wall of the second rotating groove 16 and extends to the outside world and is rotatably connected to the detection equipment body 1.

[0056] During use, the user places the lithium battery between the two clamping plates 4 and moves it to the appropriate position. The user then manually rotates the worm 18, allowing the worm 18 to drive the worm gear 17 to rotate in the second rotating groove 16, so that the worm gear 17 drives the second bevel gear 14 to rotate in the gear groove 12, and one end of the second bevel gear 14 drives the second transmission rod 7 to rotate in the first rotating groove 5. At the same time, when the second bevel gear 14 rotates, the second bevel gear 14 will drive the first bevel gear 13 to rotate in the opposite direction through the third bevel gear 15, so that the first bevel gear 13 drives the first transmission rod 6 to rotate in the opposite direction in the first rotating groove 5. At this time, the first transmission rod 6 and the second transmission rod 7 will rotate in opposite directions, allowing the first transmission rod 6 and the second transmission rod 7 to respectively squeeze the multiple transmission blocks 9 through the multiple second sliding grooves 8, so that one end of the multiple transmission blocks 9 respectively drives the multiple sliders 3 to move in the two first sliding grooves 2, and the multiple sliders 3 respectively drive the two clamping plates 4 to move closer to each other. When the two clamping plates 4 move to the appropriate position, it is ensured that the two clamping plates 4 can fix one side of the lithium battery.

[0057] Example 3:

[0058] This embodiment provides a connection assembly for lithium battery testing. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the first bevel gear 13 is rotationally connected to the first rotating groove 5, and one end of the second bevel gear 14 is rotationally connected to the first bevel gear 13 and the first transmission rod 6.

[0059] Here, it is ensured that one end of the first bevel gear 13 can rotate normally in the first rotation groove 5 , and it is ensured that one end of the second bevel gear 14 can rotate normally in the first bevel gear 13 and the first transmission rod 6 .

[0060] Example 4:

[0061] This embodiment provides a connection assembly for lithium battery testing. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the worm gear 17 is rotatably connected to the gear groove 12.

[0062] Among them, ensure that one end of the worm wheel 17 can rotate normally in the gear groove 12,

[0063] Example 5:

[0064] This embodiment provides a connection assembly for lithium battery testing. In addition to the technical solutions of the above embodiments, it also has the following technical features. The drive assembly includes:

[0065] The bidirectional threaded rod 19 is rotatably connected to the inner wall of the third slide groove 10 and is threadedly connected to the two clamping blocks 11. One end of the bidirectional threaded rod 19 is fixedly connected to the rotating block 20, and one end of the rotating block 20 passes through the inner wall of the third slide groove 10 and extends to the outside and is rotatably connected to the clamping plate 4.

[0066] Among them, the user rotates the two rotating blocks 20 by hand, allowing the rotating blocks 20 to drive the bidirectional threaded rod 19 to rotate in the third slide groove 10. When the bidirectional threaded rod 19 rotates, the two clamping blocks 11 will be acted upon by the threads of the bidirectional threaded rod 19 and move closer to each other. When multiple clamping blocks 11 are moved to appropriate positions, it is ensured that multiple clamping blocks 11 can fix the other two sides of the lithium battery. Then the user starts the detection device body 1 and allows the detection device body 1 to detect the lithium battery.

[0067] Example 6:

[0068] This embodiment provides a connection assembly for lithium battery testing. In addition to the technical solutions of the above embodiments, it also has the following technical features: the two sections of thread on the bidirectional threaded rod 19 have opposite rotation directions.

[0069] Here, it is ensured that when the bidirectional threaded rod 19 rotates, the two clamping blocks 11 are moved closer to or farther away from each other by the action of the threads of the bidirectional threaded rod 19 .

[0070] When in use, the user places the lithium battery between the two splints 4 and moves it to a suitable position, and then the user rotates the worm 18 by hand, so that the worm 18 drives the worm wheel 17 to rotate in the second rotation groove 16, so that the worm wheel 17 drives the second bevel gear 14 to rotate in the gear groove 12, and one end of the second bevel gear 14 drives the second transmission rod 7 to rotate in the first rotation groove 5. At the same time, when the second bevel gear 14 rotates, the second bevel gear 14 will drive the first bevel gear 13 to rotate in the opposite direction through the third bevel gear 15, so that the first bevel gear 13 drives the first transmission rod 6 to rotate in the opposite direction in the first rotation groove 5. At this time, the first transmission rod 6 and the second transmission rod 7 will rotate in opposite directions, allowing the first transmission rod 6 and the second transmission rod 7 to pass through multiple second slide grooves 8. Do not squeeze multiple transmission blocks 9, so that one end of the multiple transmission blocks 9 drives multiple sliders 3 to move in the two first slide grooves 2, and let the multiple sliders 3 drive the two clamps 4 to approach each other. When the two clamps 4 move to the appropriate position, ensure that the two clamps 4 can fix one side of the lithium battery. Then the user manually rotates the two rotating blocks 20, allowing the rotating blocks 20 to drive the bidirectional threaded rod 19 to rotate in the third slide groove 10. When the bidirectional threaded rod 19 rotates, the two clamps 11 will be affected by the threads of the bidirectional threaded rod 19 and approach each other. When the multiple clamps 11 move to the appropriate position, ensure that the multiple clamps 11 can fix the other two sides of the lithium battery. Then the user starts the detection device body 1 and allows the detection device body 1 to detect the lithium battery.

[0071] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A connection assembly for lithium battery testing, characterized in that: include: A detection device body (1) and two first chutes (2), wherein the two first chutes (2) are symmetrically arranged on the detection device body (1), a plurality of sliders (3) are slidably connected in the two first chutes (2), and two clamping plates (4) are fixedly connected between the plurality of sliders (3); A first rotating groove (5) is provided in the detection device body (1) and is connected to the two first sliding grooves (2); a first transmission rod (6) and a second transmission rod (7) are rotatably connected in the first rotating groove (5); a plurality of second sliding grooves (8) are respectively provided on the first transmission rod (6) and the second transmission rod (7); a plurality of transmission blocks (9) are slidably connected in the plurality of second sliding grooves (8); and one end of the plurality of transmission blocks (9) respectively extends into the two first sliding grooves (2) and is respectively fixed to the plurality of sliders (3); A rotating assembly, the rotating assembly being located in the detection device body (1) and being used to drive the first transmission rod (6) and the second transmission rod (7) to rotate; Two third chutes (10), the two third chutes (10) are respectively opened in the two clamping plates (4) and communicate with the outside, and two clamping blocks (11) are slidably connected in the third chutes (10); Two driving assemblies are respectively located in the two clamping plates (4) and are respectively used to drive the corresponding two clamping blocks (11) to move.

2. A lithium battery testing connection assembly according to claim 1, characterized in that: The rotating assembly comprises: A gear groove (12), wherein the gear groove (12) is provided in the detection device body (1) and is connected to the first rotating groove (5); a first bevel gear (13) and a second bevel gear (14) are rotatably connected in the gear groove (12); one end of the first bevel gear (13) extends into the first rotating groove (5) and is fixed to the bottom surface of the first transmission rod (6); one end of the second bevel gear (14) passes through the first bevel gear (13) and the first transmission rod (6) and is fixed to the bottom surface of the second transmission rod (7); a third bevel gear (15) is meshed between the first bevel gear (13) and the second bevel gear (14); and the third bevel gear (15) is located in the gear groove (12) and is rotatably connected to the gear groove (12); A second rotating groove (16), wherein the second rotating groove (16) is provided on the bottom surface of the inner wall of the gear groove (12) and is in communication with the outside, a worm wheel (17) is rotatably connected in the second rotating groove (16), and one end of the worm wheel (17) extends into the gear groove (12) and is fixed to the bottom surface of the second bevel gear (14), one side of the worm wheel (17) is engaged with a worm (18) that rotates with the second rotating groove (16), and one end of the worm wheel (18) passes through the inner wall of the second rotating groove (16) and extends to the outside to be rotatably connected with the detection device body (1).

3. A lithium battery testing connection assembly according to claim 2, characterized in that: One end of the first bevel gear (13) is rotationally connected to the first rotation groove (5), and one end of the second bevel gear (14) is rotationally connected to the first bevel gear (13) and the first transmission rod (6).

4. A lithium battery testing connection assembly according to claim 2, characterized in that: One end of the worm wheel (17) is rotationally connected to the gear groove (12).

5. The lithium battery testing connection assembly according to claim 1, characterized in that: The drive assembly includes: A bidirectional threaded rod (19) is rotatably connected to the inner wall of the third chute (10) and is threadably connected to the two clamping blocks (11); one end of the bidirectional threaded rod (19) is fixedly connected to a rotating block (20), and one end of the rotating block (20) passes through the inner wall of the third chute (10) and extends to the outside to be rotatably connected to the clamping plate (4).

6. A lithium battery testing connection assembly according to claim 5, characterized in that: The two sections of threads on the bidirectional threaded rod (19) have opposite rotation directions.

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