Sodium battery cover plate pressing test fixture

Abstract

The utility model relates to the technical field of sodium battery pressing, in particular to a sodium battery cover plate pressing test fixture which comprises a first air connector, one end of the first air connector is fixedly connected with a support, a first sealing ring is arranged in the center inside the support, a first pressing cup is arranged at one end of the first sealing ring, and a second pressing cup is arranged at the other end of the first sealing ring. A second sealing ring is arranged at one end of the first pressing cup, and a battery cell cover plate is arranged at one end of the second sealing ring. Through the arrangement of the support, the first pressing cup, the second sealing ring, the battery cell cover plate, the third sealing ring, the second pressing cup, the limiting sliding strip, the fourth sealing ring, the sliding block, the second air connector, the butt-joint frame and the threaded rod, the equipment can perform rapid adaptive clamping operation during a sodium battery cover plate pressing test; the first pressing cup is clamped in the circular groove in the support and fixed, and the second pressing cup is clamped in the circular groove in the sliding block.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium battery pressing, in particular to a pressing test fixture for a sodium battery cover plate. Background Technique

[0002] The sodium battery is a kind of high-temperature sodium battery, which has the characteristics of stable product properties, high safety, long service life, wide application range, easy availability and non-toxic raw materials, and simple and pollution-free waste recycling process. The technology has been in a relatively mature stage and has been applied in many countries around the world, and energy storage projects such as solar energy, wind power combination, peak management, and communication base stations have been built.

[0003] However, after the existing sodium battery cover plates are produced, they often can only be fixedly installed in a simple manual manner. During the subsequent pressing test process, it is impossible to quickly and firmly fix and install the sodium battery cover plates, so it is impossible to quickly fix the adaptability of the sodium battery cover plates, which affects the accuracy of the subsequent overall equipment for pressing test of the sodium battery cover plates. At the same time, the equipment cannot quickly adapt and dock with sodium battery cover plates of different sizes, and cannot meet the daily use requirements. Therefore, it is urgent to design a pressing test fixture for a sodium battery cover plate to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a pressing test fixture for a sodium battery cover plate to solve the problem that after the existing sodium battery cover plates are produced, they often can only be fixedly installed in a simple manual manner. During the subsequent pressing test process, it is impossible to quickly and firmly fix and install the sodium battery cover plates, so it is impossible to quickly fix the adaptability of the sodium battery cover plates, which affects the accuracy of the subsequent overall equipment for pressing test of the sodium battery cover plates. At the same time, the equipment cannot quickly adapt and dock with sodium battery cover plates of different sizes, and cannot meet the daily use requirements as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A pressing test fixture for a sodium battery cover plate, including a first air joint, one end of the first air joint is fixedly connected with a bracket, a first sealing ring is arranged at the center inside the bracket, a first pressing cup is arranged at one end of the first sealing ring, and a second sealing ring is arranged at one end of the first pressing cup.

[0006] Preferably, a battery cell cover plate is arranged at one end of the second sealing ring, a third sealing ring is arranged at one end of the battery cell cover plate, and a second pressing cup is arranged at one end of the battery cell cover plate.

[0007] Preferably, limiting slide bars are arranged at the upper and lower ends of the inner wall of the bracket.

[0008] Preferably, a fourth sealing ring is provided at one end of the second pressing cup, and a slider is sleeved on the outer surface of the second pressing cup.

[0009] Preferably, a second air joint is provided on the side surface of the slider, and the second air joint is adapted to the fourth sealing ring.

[0010] Preferably, a docking frame is provided at one end of the second air joint, and a threaded rod is provided inside the docking frame.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] For this sodium battery cover pressing test fixture, through the arranged bracket, first pressing cup, second sealing ring, battery cell cover plate, third sealing ring, second pressing cup, limiting slide bar, fourth sealing ring, slider, second air joint, docking frame and threaded rod, it can enable the device to perform quick adaptive clamping operations during the sodium battery cover pressing test. During the actual use process, the first pressing cup is stuck in the circular groove on the bracket to fix the position, the second pressing cup is stuck in the circular groove on the slider to fix the position. Rotating the threaded rod can drive the slider to move on the bracket, driving the cavities of the first pressing cup and the second pressing cup to separate or close. When the first pressing cup and the second pressing cup are separated, the battery cell cover plate to be detected is placed. Rotating the threaded rod drives the slider and the second pressing cup to slide on the bracket, forming a sealed cavity between the two pressing cups. One side of the first sealing ring is closely fitted with the bracket and the other side is closely fitted with the first pressing cup. One side of the second sealing ring is closely attached to the first pressing cup and the other side is closely attached to the battery cell cover plate, forming a sealed pressing detection cavity. One side of the fourth sealing ring is closely fitted with the slider and the other side is closely fitted with the second pressing cup. One side of the third sealing ring is closely attached to the first pressing cup and the other side is closely attached to the battery cell cover plate, forming a sealed pressing detection cavity. The external air source supplies air to the first air joint and the second air joint through a manual three-position five-way solenoid valve. Manual commutation enables the high-pressure gas to circulate and press in the two sealed cavities, realizing the breathing type cover plate pressure test, reflecting the practicality of the device design. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a top view schematic diagram of the structure of the present utility model;

[0014] Figure 2 It is a side view schematic diagram of the structure of the present utility model;

[0015] Figure 3 For the present utility model Figure 1 It is an enlarged schematic diagram of the structure at A in

[0016] Figure 4 For the present utility model Figure 1 It is an enlarged schematic diagram of the structure at B in.

[0017] In the figure: 1. First air connector; 2. Bracket; 3. First sealing ring; 4. First pressing cup; 5. Second sealing ring; 6. Cell cover plate; 7. Third sealing ring; 8. Second pressing cup; 9. Limit slide bar; 10. Fourth sealing ring; 11. Slide block; 12. Second air connector; 13. Docking frame; 14. Threaded rod. Specific implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-4 , an embodiment provided by the present invention:

[0020] A sodium battery cover plate pressing test fixture includes a first air connector 1. One end of the first air connector 1 is fixedly connected to a bracket 2. The center of the inside of the bracket 2 is provided with a first sealing ring 3. One end of the first sealing ring 3 is provided with a first pressing cup 4. One end of the first pressing cup 4 is provided with a second sealing ring 5. One end of the second sealing ring 5 is provided with a cell cover plate 6. One end of the cell cover plate 6 is provided with a third sealing ring 7. One end of the cell cover plate 6 is provided with a second pressing cup 8. The upper and lower ends of the inner wall of the bracket 2 are provided with limit slide bars 9. One end of the second pressing cup 8 is provided with a fourth sealing ring 10. The outer surface of the second pressing cup 8 is sleeved with a slide block 11. The side of the slide block 11 is provided with a second air connector 12. The second air connector 12 is adapted to the fourth sealing ring 10. One end of the second air connector 12 is provided with a docking frame 13. The inside of the docking frame 13 is provided with a threaded rod 14. One side of the fourth sealing ring 10 is closely fitted with the slide block 11 and the other side is closely fitted with the second pressing cup 8. One side of the third sealing ring 7 is closely attached to the first pressing cup 4 and the other side is closely attached to the cell cover plate 6 to form a sealed pressing detection cavity. An external air source supplies air to the first air connector 1 and the second air connector 12 through a manual three-position five-way solenoid valve. Manual commutation enables high-pressure gas to circulate and press in the two sealed cavities to realize the breathing type cover plate pressure test.

[0021] Working principle: When in use, the operator first places the first pressing cup 4 in the circular groove on the bracket 2 and fixes its position. The second pressing cup 8 is placed in the circular groove on the slider 11 and its position is fixed. Rotating the threaded rod 14 can drive the slider 11 to move on the bracket 2, driving the cavities of the first pressing cup 4 and the second pressing cup 8 to separate or close. When the first pressing cup 4 and the second pressing cup 8 are separated, the cell cover plate 6 to be detected is placed. Rotating the threaded rod 14 drives the slider 11 and the second pressing cup 8 to slide on the bracket 2, forming a sealed cavity between the two pressing cups. One side of the first sealing ring 3 is closely fitted with the bracket 2 and the other side is closely fitted with the first pressing cup 4. One side of the second sealing ring 5 is closely attached to the first pressing cup 4 and the other side is closely attached to the cell cover plate 6, forming a sealed pressure detection cavity. One side of the fourth sealing ring 10 is closely fitted with the slider 11 and the other side is closely fitted with the second pressing cup 8. One side of the third sealing ring 7 is closely attached to the first pressing cup 4 and the other side is closely attached to the cell cover plate 6, forming a sealed pressure detection cavity. The external air source supplies air to the first air joint 1 and the second air joint 12 through a manual three-position five-way solenoid valve. Manual commutation enables the high-pressure gas to circulate and press in the two sealed cavities, realizing the pressure test of the breathing type cover plate. The above is the entire working principle of the present utility model.

[0022] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A sodium battery cover plate pressure test fixture, comprising a first gas joint (1), characterized in that: One end of the first gas joint (1) is fixedly connected to a bracket (2), a first sealing ring (3) is arranged at the inner center of the bracket (2), a first pressure cup (4) is arranged at one end of the first sealing ring (3), and a second sealing ring (5) is arranged at one end of the first pressure cup (4).

2. A sodium battery cover plate pressure test fixture according to claim 1, characterized in that: A cell cover plate (6) is arranged at one end of the second sealing ring (5), a third sealing ring (7) is arranged at one end of the cell cover plate (6), and a second pressing cup (8) is arranged at one end of the cell cover plate (6).

3. A sodium battery cover plate pressure test fixture according to claim 1, characterized in that: Limiting sliding strips (9) are provided at the upper and lower ends of the inner wall of the bracket (2).

4. A sodium battery cover plate pressure test fixture according to claim 2, characterized in that: A fourth sealing ring (10) is provided at one end of the second pressing cup (8), and a sliding block (11) is sleeved on the outer surface of the second pressing cup (8).

5. A sodium battery cover plate pressure test fixture according to claim 4, characterized in that: A second gas joint (12) is provided on the side of the sliding block (11), and the second gas joint (12) is adapted to fit the fourth sealing ring (10).

6. A sodium battery cover plate pressure test fixture according to claim 5, characterized in that: A docking frame (13) is provided at one end of the second gas joint (12), and a threaded rod (14) is provided inside the docking frame (13).

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