Cylindrical sodium battery shell voltage withstanding test clamp

Abstract

The utility model relates to the technical field of cylindrical sodium battery shell voltage withstanding testing, in particular to a cylindrical sodium battery shell voltage withstanding testing clamp which comprises a bottom plate and a main body, the main body is arranged at the upper end of the bottom plate, a voltage measuring mechanism is arranged on the main body, an assembling body is arranged in the voltage measuring mechanism, a hollow guide pipe assembly is arranged in the assembling body, and a guide pipe is arranged in the hollow guide pipe assembly. A hole is formed in the guide pipe, an air inlet pipe is arranged on one side of the guide pipe, an air pressure sealing ring is arranged on the other side of the guide pipe, a top sleeve is arranged at one end of the hollow guide pipe assembly, and a clamping mechanism and a pressure measuring mechanism are arranged on the main body. A sealed space is formed among the hollow guide rod, the two air pressure sealing rings and the shell wall in the mechanism, the air pressure sealing rings and the cavity are inflated through the hollow guide rod, it is ensured that the pressure of the air pressure sealing rings is equal to the pressure of the cavity, the sealing performance is further ensured, and an external air source supplies air to the cavity through a manual electromagnetic valve. And the pressure test of the cylindrical shell is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure resistance testing of cylindrical sodium battery casings, and particularly relates to a pressure resistance testing fixture for a cylindrical sodium battery casing. Background Technique

[0002] A cylindrical sodium-ion battery is a sodium-ion battery that adopts a cylindrical battery structure. Its internal structure consists of a positive electrode, a negative electrode, an electrolyte, and a separator. The electrode materials are usually sodium-ion compounds, such as sodium nickel oxide or sodium iron phosphate. This battery design form is assembled in a cylindrical shape and has advantages such as high energy density, good heat dissipation performance, and high charge and discharge rates, making it perform well in applications that require high power output. For the pressure resistance testing of the cylindrical sodium battery casing, the pressure resistance testing of various cylindrical casings can be compatible by adjusting the length of the central control rod and the diameter of the air pressure sealing ring.

[0003] For the existing pressure resistance testing fixture of the cylindrical sodium battery casing, due to the relatively complex structure of the existing pressure measurement mechanism during installation, it is not easy to implement, resulting in low efficiency during the pressure measurement process of the existing device, and there may be differences in the pressure measurement data, which further leads to increased costs.

[0004] Therefore, in order to solve the above problems, a pressure resistance testing fixture for a cylindrical sodium battery casing is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a pressure resistance testing fixture for a cylindrical sodium battery casing to solve the problems in the existing pressure resistance testing fixture of the cylindrical sodium battery casing in the above background technique, that is, due to the relatively complex structure of the existing pressure measurement mechanism during installation, it is not easy to implement, resulting in low efficiency during the pressure measurement process of the existing device, and there may be differences in the pressure measurement data, which further leads to increased costs.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A pressure resistance testing fixture for a cylindrical sodium battery casing, comprising: a bottom plate and a main body. The main body is provided at the upper end of the bottom plate. A pressure measurement mechanism is provided on the main body. An assembly body is provided inside the pressure measurement mechanism. A hollow duct assembly is provided inside the assembly body. A duct is provided inside the hollow duct assembly. Holes are provided on the duct, and an air inlet pipe is provided on one side of the duct, and an air pressure sealing ring is provided on the other side of the duct. A top sleeve is provided at one end of the hollow duct assembly, and a clamping mechanism is provided on the main body.

[0007] Preferably, a groove block is provided inside the clamping mechanism, and a sliding plate is slidably installed on one side of the groove block.

[0008] Preferably, a spring rod is fixedly installed on one side of the sliding plate, and a pressing plate is fixedly installed at one end of the spring rod. The pressing plate is fixedly installed on the main body.

[0009] Preferably, a turntable is provided on one side of the skateboard, a threaded rod is rotatably installed on one side of the turntable, and one end of the threaded rod is rotatably installed inside the skateboard.

[0010] Preferably, a slider is slidably installed on the threaded rod, a fixed block is fixedly installed at one end of the skateboard, and the pressure measuring mechanism is movably installed on the skateboard through the slider and the fixed block.

[0011] Preferably, a side plate is fixedly installed on one side of the main body, a hydraulic component is fixedly installed on one side of the side plate, and the telescopic end of the hydraulic component is fixedly installed on one side of the skateboard.

[0012] Preferably, the hollow conduit assembly is movably installed in the assembly body, the conduit is movably installed in the hollow conduit assembly, the intake pipe is fixedly installed at one end of the conduit, the pneumatic sealing ring is movably installed at the other end of the conduit, and the top sleeve is movably installed at one end of the hollow conduit assembly.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. A clamping mechanism is provided. Through this mechanism, the pressure measuring mechanism can be clamped and fixed. The skateboard is limited by the groove block in the mechanism. In this process, the skateboard can be limited and buffered by the spring rod. Then, the threaded rod is driven to rotate by the turntable, and the slider is driven to move by the threaded rod. Furthermore, the pressure measuring mechanism is clamped and fixed through the cooperation of the slider and the fixed block. In this process, the skateboard can be driven to slide by the hydraulic component as needed, which facilitates the installation work. Then, the intake pipe is connected to the existing opening on one side of the fixed block for stamping work, thereby improving the stability of the device.

[0015] 2. A pressure measuring mechanism is provided. Through this, the pressure resistance of the cylindrical sodium battery shell can be tested. A sealed space is formed between the hollow guide rod, the two pneumatic sealing rings and the shell wall in this mechanism. The pneumatic sealing rings and the cavity are inflated through the hollow guide rod to ensure that the pressure of the pneumatic sealing rings is equal to the pressure of the cavity, further ensuring the sealing performance. The external air source supplies gas to the cavity through a manual solenoid valve to realize the pressure test of the cylindrical shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments of the present utility model. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to the content of the embodiments of the present utility model and these drawings without creative efforts.

[0017] Figure 1 It is a front view structural schematic diagram of the present utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the structure of the assembly of the present utility model;

[0019] Figure 3 This is a schematic front cross-sectional view of the structure of the clamping mechanism of the present utility model;

[0020] Figure 4 This is a schematic cross-sectional view of the structure of the pressure measuring mechanism of the present utility model;

[0021] Figure 5 This is a schematic cross-sectional view of the structure of the hollow duct assembly of the present utility model.

[0022] In the figure: 1, bottom plate; 2, main body; 3, clamping mechanism; 31, groove block; 32, sliding plate; 33, spring rod; 34, pressing plate; 35, turntable; 36, threaded rod; 37, slider; 38, fixed block; 39, side plate; 310, hydraulic component; 4, pressure measuring mechanism; 41, assembly; 42, hollow duct assembly; 421, duct; 422, hole; 423, intake pipe; 424, air pressure sealing ring; 43, top sleeve. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1 - 5 , an embodiment provided by the present utility model:

[0025] The hydraulic component 310 used in this application is a product that can be directly purchased on the market, and its principle and connection method are all well-known prior arts to those skilled in the art, so it will not be elaborated here.

[0026] A pressure resistance test fixture for a cylindrical sodium battery shell, comprising: a bottom plate 1 and a main body 2, the main body 2 is provided at the upper end of the bottom plate 1, a pressure measuring mechanism 4 is provided on the main body 2, an assembly 41 is provided inside the pressure measuring mechanism 4, a hollow duct assembly 42 is provided inside the assembly 41, a duct 421 is provided inside the hollow duct assembly 42, holes 422 are opened on the duct 421, an intake pipe 423 is provided on one side of the duct 421, an air pressure sealing ring 424 is provided on the other side of the duct 421, a top sleeve 43 is provided at one end of the hollow duct assembly 42, and a clamping mechanism 3 is provided on the main body 2. By providing this component, the pressure resistance of the cylindrical sodium battery shell can be tested through the pressure measuring mechanism 4, and the pressure measuring mechanism 4 can be clamped through the clamping mechanism 3.

[0027] As a further aspect of the present utility model, a groove block 31 is provided inside the clamping mechanism 3. A slide plate 32 is slidably installed on one side of the groove block 31. By providing this component, the slide plate 32 can be limited by the groove block 31.

[0028] As a further aspect of the present utility model, a spring rod 33 is fixedly installed on one side of the slide plate 32. One end of the spring rod 33 is fixedly installed with a pressing plate 34, and the pressing plate 34 is fixedly installed on the main body 2. By providing this component, the slide plate 32 can be buffered by the spring rod 33.

[0029] As a further aspect of the present utility model, a turntable 35 is provided on one side of the slide plate 32. A threaded rod 36 is rotatably installed on one side of the turntable 35, and one end of the threaded rod 36 is rotatably installed inside the slide plate 32. By providing this component, the threaded rod 36 can be driven to rotate by the turntable 35.

[0030] As a further aspect of the present utility model, a slider 37 is slidably installed on the threaded rod 36. A fixed block 38 is fixedly installed at one end of the slide plate 32, and the pressure measuring mechanism 4 is movably installed on the slide plate 32 through the slider 37 and the fixed block 38. By providing this component, the slider 37 can be driven to move by the threaded rod 36.

[0031] As a further aspect of the present utility model, a side plate 39 is fixedly installed on one side of the main body 2. A hydraulic component 310 is fixedly installed on one side of the side plate 39, and the telescopic end of the hydraulic component 310 is fixedly installed on one side of the slide plate 32. By providing this component, the slide plate 32 can be driven to move by the hydraulic component 310.

[0032] As a further aspect of the present utility model, the hollow conduit assembly 42 is movably installed inside the assembly body 41. The conduit 421 is movably installed inside the hollow conduit assembly 42. The intake pipe 423 is fixedly installed at one end of the conduit 421. The air pressure sealing ring 424 is movably installed at the other end of the conduit 421. The top sleeve 43 is movably installed at one end of the hollow conduit assembly 42. By providing this component, the sealing work can be carried out through the air pressure sealing ring 424.

[0033] Working principle: When the pressure-resistant test fixture for the cylindrical sodium battery case is needed, only support and fix the device through the bottom plate 1, limit the sliding plate 32 through the groove block 31 in the clamping mechanism 3. In this process, the sliding plate 32 can be limited and buffered through the spring rod 33. Then drive the threaded rod 36 to rotate through the turntable 35, drive the slider 37 to move through the threaded rod 36, and then clamp and fix the pressure measuring mechanism 4 through the cooperation of the slider 37 and the fixed block 38. In this process, the hydraulic component 310 can be used to drive the sliding plate 32 to slide as needed, which is convenient for the installation work. Then, perform stamping work through the existing opening on one side of the fixed block 38 to connect the air inlet pipe 423. A sealed space can be formed between the hollow guide rod in the pressure measuring mechanism 4, the two air pressure seals 424 and the shell wall. Inflate the air pressure seals and the cavity through the hollow guide rod to ensure that the pressure of the air pressure seals is equal to the pressure of the cavity, further ensuring the sealing performance. The external air source supplies gas to the cavity through a manual solenoid valve to realize the pressure test of the cylindrical shell.

[0034] The above is only the preferred embodiment of the present invention, and does not impose any form of limitation on the present invention; any ordinary technical personnel in the industry can smoothly implement the present invention according to the description in the accompanying drawings and the above description; however, any minor changes, modifications and evolutions made by those skilled in the art within the scope of the technical solution of the present invention by using the technical content disclosed above are equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A cylindrical sodium battery shell pressure test fixture, comprising: A base plate (1) and a main body (2), wherein the main body (2) is disposed at the upper end of the base plate (1), and the main body (2) is characterized in that: a pressure measuring mechanism (4) is disposed on the main body (2), an assembly (41) is disposed inside the pressure measuring mechanism (4), a hollow conduit assembly (42) is disposed inside the assembly (41), a conduit (421) is disposed inside the hollow conduit assembly (42), a hole (422) is opened on the conduit (421), an air intake pipe (423) is disposed on one side of the conduit (421), an air pressure sealing ring (424) is disposed on the other side of the conduit (421), a top sleeve (43) is disposed at one end of the hollow conduit assembly (42), and a clamping mechanism (3) is disposed on the main body (2).

2. A cylindrical sodium battery shell pressure test fixture according to claim 1, characterized in that: A groove block (31) is provided in the clamping mechanism (3), and a slide plate (32) is slidably mounted on one side of the groove block (31).

3. A cylindrical sodium battery shell pressure test fixture according to claim 2, characterized in that: A spring rod (33) is fixedly mounted on one side of the slide plate (32), a stop plate (34) is fixedly mounted on one end of the spring rod (33), and the stop plate (34) is fixedly mounted on the main body (2).

4. A cylindrical sodium battery shell pressure test fixture according to claim 3, characterized in that: A rotating disk (35) is provided on one side of the slide plate (32), a threaded rod (36) is rotatably mounted on one side of the rotating disk (35), and one end of the threaded rod (36) is rotatably mounted in the slide plate (32).

5. A cylindrical sodium battery shell pressure test fixture according to claim 4, characterized in that: A slider (37) is slidably mounted on the threaded rod (36), a fixed block (38) is fixedly mounted on one end of the slide plate (32), and the pressure measuring mechanism (4) is movably mounted on the slide plate (32) via the slider (37) and the fixed block (38).

6. A cylindrical sodium battery shell pressure test fixture according to claim 5, characterized in that: A side plate (39) is fixedly mounted on one side of the main body (2), a hydraulic assembly (310) is fixedly mounted on one side of the side plate (39), and a telescopic end of the hydraulic assembly (310) is fixedly mounted on one side of the slide plate (32).

7. A cylindrical sodium battery shell pressure test fixture according to claim 1, characterized in that: The hollow conduit assembly (42) is movably mounted in the assembly (41), the conduit (421) is movably mounted in the hollow conduit assembly (42), the air inlet pipe (423) is fixedly mounted on one end of the conduit (421), the air pressure sealing ring (424) is movably mounted on the other end of the conduit (421), and the top sleeve (43) is movably mounted on one end of the hollow conduit assembly (42).

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