Battery pack sealing gasket specification detection jig
By designing a combination of main board, sub-board and fixing device, the problem of random movement caused by lack of fixing structure in the production of battery pack sealing gaskets of the testing fixture was solved, and higher precision testing was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN XINYUDA ELECTRONIC PACKAGING MATERIALS CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-06-23
AI Technical Summary
Existing testing fixtures lack an effective fixing structure in the production of battery pack sealing gaskets, causing the testing fixtures to move erratically under stress during the testing process, which affects the testing accuracy.
A testing fixture comprising a main board, a sub-board, and a fixing device was designed. By combining components such as main threaded post, secondary threaded post, clamping plate, and pressure block, the main board and sub-board are fixed, reducing the impact of random movement.
It effectively fixes the positions of the main board and sub-board, reduces movement during the testing process, and improves testing accuracy and stability.
Smart Images

Figure CN224390908U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of testing fixture technology, specifically a testing fixture for battery pack sealing gasket specifications. Background Technology
[0002] A testing fixture is a specialized tool that secures the object under test and provides a testing interface and environment to ensure the stability and accuracy of the testing process. It restricts the movement of the object under test through positioning structures to avoid testing errors (such as directional deviation problems in wafer testing). Testing fixtures have a wide range of applications, covering multiple industries such as electronics manufacturing, machining, automotive, aerospace, and medical equipment.
[0003] Regarding the above and existing related technologies: During battery pack production, sealing gaskets are required. After the sealing gaskets are produced, testing fixtures are needed to inspect their specifications. Since most testing fixtures are spliced structures and lack a fixed structure, the testing fixture may move randomly under force, affecting the testing process. Therefore, a battery pack sealing gasket specification testing fixture is proposed to address the above problems. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.
[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: The battery pack sealing gasket specification testing fixture of this utility model includes multiple main boards, multiple sub-boards, and a fixing device. The multiple sub-boards are respectively located on the side walls of the multiple main boards. The fixing device is set on the surface of the multiple main boards and multiple sub-boards. The fixing device includes a placement plate, which is located on the surface of the main boards and sub-boards. Two support blocks are fixedly connected to the surface of the placement plate. A main threaded post is threadedly connected to the inner wall of the support block. A clamping plate is rotatably connected to the bottom end of the main threaded post. The main threaded post drives the clamping plate to move, and the clamping plate clamps the main boards and sub-boards on the surface of the placement plate. By setting the placement plate, support blocks, main threaded post, and clamping plate, the position of the main boards and sub-boards can be restricted.
[0006] Preferably, the inner surface of the placement plate is threaded with four auxiliary threaded posts, and the bottom end of each auxiliary threaded post is rotatably connected to a pressure block. The pressure block is located directly above the clamping plate. The auxiliary threaded posts drive the pressure block to move, and the pressure block presses the clamping plate onto the surfaces of the main plate and the sub-plate. By setting the auxiliary threaded posts and the pressure block, the clamping plate can help restrict the position of the main plate and the sub-plate.
[0007] Preferably, the surface of the support block is provided with a movable hole, and the inner wall of the movable hole of the support block is threadedly connected to the surface of the main thread column. When the main thread column rotates, the main thread column will rotate on the inner wall of the movable hole. The opening of the movable hole facilitates the rotation of the main thread column.
[0008] Preferably, a threaded hole is provided on the surface of the placement plate near the secondary threaded post. The inner wall of the threaded hole of the placement plate is threadedly connected to the surface of the secondary threaded post. When the secondary threaded post rotates, the secondary threaded post rotates on the inner wall of the threaded hole. The opening of the threaded hole facilitates the rotation of the secondary threaded post on the inner wall of the placement plate.
[0009] Preferably, a washer is fixedly connected to the bottom end of the placement plate. The washer is pressed against the surface of the workbench, and the placement plate can be supported to a certain extent by setting the washer.
[0010] Preferably, the surfaces of multiple motherboards and multiple sub-boards are provided with four limiting devices. Each limiting device includes a limiting plate that fits over the surfaces of the motherboards and sub-boards. Two elastic strips are inserted into the inner surface of the limiting plate, with the two elastic strips located at the upper and lower ends of the sub-boards, respectively. A retaining strip is fixedly connected to the surface of each elastic strip and is inserted into the inner surface of the limiting plate. Pushing the limiting plate causes it to move the retaining strips and elastic strips. The limiting plate fits over the surfaces of the motherboards and sub-boards, and the elastic strips press against the surfaces of the motherboards and sub-boards. By setting the limiting plate, elastic strips, and retaining strips, the random movement of the motherboards and sub-boards after they are attached can be reduced.
[0011] Preferably, a handle is fixedly connected to the side wall of the limiting plate, and two slots are opened on the surface of the limiting plate. The card strip is inserted into the inner surface of the slot of the limiting plate. When the card strip moves, the card strip is inserted into the inner wall of the slot. The opening of the slot can accommodate the card strip.
[0012] The advantages of this utility model are:
[0013] 1. When the sealing gasket needs to be tested, the present invention places the placement plate on the worktable. When the placement plate moves, it will drive the gasket to move, and the gasket will be pressed against the worktable. Then, the main plate and the sub-plate are placed on the surface of the placement plate in sequence. Then, the main thread column is rotated to make the main thread column rotate in the inner wall of the movable hole of the support block. The main thread column drives the clamping plate to move, and the clamping plate presses against the surface of the main plate and the sub-plate. Then, the secondary thread column is rotated to make the secondary thread column rotate in the inner wall of the threaded hole. The secondary thread column drives the pressure block to move, and the pressure block presses against the surface of the clamping plate. Then the sealing gasket is tested. By setting the entire device, the position of the main plate and the sub-plate can be fixed, reducing the possibility of the main plate or the sub-plate moving randomly under force during the test and affecting the test.
[0014] 2. After the main board and sub-board are fixed, the elastic strip is pushed to move the locking strip. The locking strip is inserted into the inner wall of the slot. Then, the handle is pushed to move the limiting plate. The limiting plate moves the locking strip and the elastic strip. The limiting plate is fitted onto the surface of the main board and sub-board, and the elastic strip is pressed against the surface of the main board and sub-board. By setting the entire device, the position of the main board and sub-board can be restricted, reducing the possibility of the main board tilting or moving randomly. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 A three-dimensional structural diagram of the main board in a battery pack sealing gasket specification testing fixture;
[0017] Figure 2 For a battery pack sealing gasket specification testing fixture Figure 1 A schematic diagram of the structure at point A;
[0018] Figure 3 This is an exploded structural diagram of a fixing device in a battery pack sealing gasket specification testing fixture.
[0019] Figure 4 A bottom view of the mainboard structure in a battery pack sealing gasket specification testing fixture;
[0020] Figure 5 For a battery pack sealing gasket specification testing fixture Figure 4 A schematic diagram of the structure at point B.
[0021] In the diagram: 1. Main board; 2. Sub-board; 3. Fixing device; 31. Placement plate; 32. Support block; 33. Main threaded post; 34. Clamping plate; 35. Sub-threaded post; 36. Pressure block; 37. Movable hole; 38. Threaded hole; 39. Washer; 4. Limiting device; 41. Limiting plate; 42. Elastic strip; 43. Locking strip; 44. Handle; 45. Slot. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0023] Please see Figure 1-5As shown, a battery pack sealing gasket specification testing fixture includes multiple main boards 1, multiple sub-boards 2, and a fixing device 3. The multiple sub-boards 2 are respectively located on the side walls of the multiple main boards 1. The fixing device 3 is disposed on the surface of the multiple main boards 1 and the multiple sub-boards 2. The fixing device 3 includes a placement plate 31, which is located on the surface of the main boards 1 and the sub-boards 2. Two support blocks 32 are fixedly connected to the surface of the placement plate 31. A main threaded post 33 is threadedly connected to the inner wall of the support block 32. A clamping plate 34 is rotatably connected to the bottom end of the main threaded post 33. During operation, the multiple main boards 1 and the multiple sub-boards 2 are placed on the surface of the placement plate 31. Then, the main threaded post 33 is rotated to rotate on the inner wall of the support block 32. The main threaded post 33 drives the clamping plate 34 to move. The clamping plate 34 clamps the main boards 1 and the sub-boards 2 on the surface of the placement plate 31. By setting the placement plate 31, the support blocks 32, the main threaded post 33, and the clamping plate 34, the position of the main boards 1 and the sub-boards 2 can be restricted.
[0024] The inner surface of the placement plate 31 is threaded with four secondary threaded posts 35. The bottom end of each secondary threaded post 35 is rotatably connected to a pressure block 36, which is located directly above the clamping plate 34. During operation, the secondary threaded posts 35 are rotated to rotate on the inner wall of the placement plate 31. The secondary threaded posts 35 drive the pressure block 36 to move, and the pressure block 36 presses the clamping plate 34 onto the surfaces of the main plate 1 and the secondary plate 2. By setting the secondary threaded posts 35 and the pressure block 36, the clamping plate 34 can be used to restrict the position of the main plate 1 and the secondary plate 2.
[0025] The surface of the support block 32 is provided with a movable hole 37, and the inner wall of the movable hole 37 of the support block 32 is threadedly connected to the surface of the main threaded column 33. During operation, the main threaded column 33 will rotate on the inner wall of the movable hole 37, and the opening of the movable hole 37 facilitates the rotation of the main threaded column 33.
[0026] A threaded hole 38 is provided on the surface of the placement plate 31 near the secondary threaded post 35. The inner wall of the threaded hole 38 of the placement plate 31 is threadedly connected to the surface of the secondary threaded post 35. During operation, the secondary threaded post 35 rotates on the inner wall of the threaded hole 38. The opening of the threaded hole 38 facilitates the rotation of the secondary threaded post 35 on the inner wall of the placement plate 31.
[0027] A washer 39 is fixedly connected to the bottom end of the placement plate 31. During operation, the placement plate 31 is placed on the workbench, and the washer 39 will press against the surface of the workbench. By setting the washer 39, the placement plate 31 can be supported to a certain extent.
[0028] The surfaces of multiple motherboards 1 and multiple sub-boards 2 are provided with four limiting devices 4. Each limiting device 4 includes a limiting plate 41, which is fitted onto the surfaces of the motherboards 1 and sub-boards 2. Two elastic strips 42 are inserted into the inner surface of the limiting plate 41, located at the upper and lower ends of the sub-boards 2 respectively. A retaining strip 43 is fixedly connected to the surface of each elastic strip 42, and the retaining strip 43 is inserted into the inner surface of the limiting plate 41. During operation, pushing the elastic strips 42 causes them to move the retaining strips 43, which are then inserted into the inner surface of the limiting plate 41. Then, pushing the limiting plate 41 causes it to move the retaining strips 43 and elastic strips 42. The limiting plate 41 fits onto the surfaces of the motherboards 1 and sub-boards 2, and the elastic strips 42 are pressed against the surfaces of the motherboards 1 and sub-boards 2. By setting the limiting plate 41, elastic strips 42, and retaining strips 43, the random movement of the motherboards 1 and sub-boards 2 after they are attached can be reduced.
[0029] A handle 44 is fixedly connected to the side wall of the limiting plate 41. Two slots 45 are opened on the surface of the limiting plate 41. The locking strip 43 is inserted into the inner surface of the slots 45 of the limiting plate 41. When working, the handle 44 is held to push the limiting plate 41 to move. When the locking strip 43 moves, the locking strip 43 is inserted into the inner wall of the slot 45. The slots 45 are designed to accommodate the locking strip 43.
[0030] Working principle: When the gasket needs to be tested, the placement plate 31 is placed on the worktable. As the placement plate 31 moves, it moves the washer 39, which presses against the worktable. Then, the main plate 1 and the auxiliary plate 2 are placed sequentially on the surface of the placement plate 31. Next, the main threaded column 33 is rotated, causing it to rotate within the movable hole 37 of the support block 32. The main threaded column 33 moves the clamping plate 34, which presses against the surfaces of the main plate 1 and the auxiliary plate 2. Then, the auxiliary threaded column 35 is rotated, causing it to rotate within the threaded hole 38. The auxiliary threaded column 35 moves the pressure block 36, which presses against the surface of the clamping plate 34. The gasket is then tested. By setting the entire device, the positions of the main board 1 and the sub-board 2 can be fixed, reducing the possibility of the main board 1 or the sub-board 2 moving randomly due to force during the testing process. After the main board 1 and the sub-board 2 are fixed, the elastic strip 42 is pushed to move the locking strip 43. The locking strip 43 is inserted into the inner wall of the slot 45. Then, the handle 44 is pushed to move the limiting plate 41. The limiting plate 41 moves the locking strip 43 and the elastic strip 42. The limiting plate 41 is fitted onto the surface of the main board 1 and the sub-board 2, and the elastic strip 42 is pressed against the surface of the main board 1 and the sub-board 2. By setting the entire device, the positions of the main board 1 and the sub-board 2 can be restricted, reducing the possibility of the main board 1 tilting or moving randomly.
[0031] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A battery pack sealing gasket specification testing fixture, comprising multiple main boards (1), multiple sub-boards (2), and a fixing device (3), wherein the multiple sub-boards (2) are respectively located on the sidewalls of the multiple main boards (1); characterized in that: The fixing device (3) is set on the surface of multiple main boards (1) and multiple sub-boards (2). The fixing device (3) includes a placement plate (31). The placement plate (31) is located on the surface of the main boards (1) and the sub-boards (2). Two support blocks (32) are fixedly connected to the surface of the placement plate (31). The inner wall of the support block (32) is threaded with a main thread post (33). The bottom end of the main thread post (33) is rotatably connected with a clamping plate (34).
2. The battery pack sealing gasket specification testing fixture according to claim 1, characterized in that: The inner surface of the placement plate (31) is threaded with four secondary threaded posts (35), and the bottom end of the secondary threaded posts (35) is rotatably connected with a pressure block (36), which is located directly above the clamping plate (34).
3. The battery pack sealing gasket specification testing fixture according to claim 1, characterized in that: The surface of the support block (32) is provided with a movable hole (37), and the inner wall of the movable hole (37) of the support block (32) is threadedly connected to the surface of the main thread column (33).
4. The battery pack sealing gasket specification testing fixture according to claim 2, characterized in that: The placement plate (31) has a threaded hole (38) on its surface near the auxiliary threaded post (35), and the inner wall of the threaded hole (38) of the placement plate (31) is threadedly connected to the surface of the auxiliary threaded post (35).
5. The battery pack sealing gasket specification testing fixture according to claim 1, characterized in that: A washer (39) is fixedly connected to the bottom end of the placement plate (31).
6. The battery pack sealing gasket specification testing fixture according to claim 1, characterized in that: The surfaces of multiple main boards (1) and multiple sub-boards (2) are provided with four limiting devices (4). The limiting device (4) includes a limiting plate (41). The limiting plate (41) is fitted onto the surfaces of the main boards (1) and the sub-boards (2). Two elastic strips (42) are inserted into the inner surface of the limiting plate (41). The two elastic strips (42) are located at the upper and lower ends of the sub-boards (2) respectively. A retaining strip (43) is fixedly connected to the surface of the elastic strip (42). The retaining strip (43) is inserted into the inner surface of the limiting plate (41).
7. A battery pack sealing gasket specification testing fixture according to claim 6, characterized in that: The side wall of the limiting plate (41) is fixedly connected to a handle (44), and two slots (45) are opened on the surface of the limiting plate (41). The card strip (43) is inserted into the inner surface of the slots (45) of the limiting plate (41).