Air tightness leak detection device

Abstract

The utility model discloses an air tightness leak detection device which comprises a base, the top of the base is provided with a water tank, the inner bottom wall of the water tank is provided with a limiting block, the limiting block is provided with a battery shell, the right side of the base is provided with a water adding assembly, the base is internally provided with a limiting assembly, and the limiting assembly is provided with a water outlet. An electric sliding table is arranged at the rear end of the top of the base, an air exhaust assembly capable of accurately checking the battery shell is arranged on the electric sliding table, the air exhaust assembly comprises an air exhaust pump, a fixing plate, a sealing gasket and an air exhaust pipe, and the air exhaust pump is arranged at the top of the moving end of the electric sliding table. According to the utility model, the limiting assembly is arranged to conveniently limit the battery case, the water adding assembly is arranged to add water to the water tank, and the air exhaust assembly is arranged to seal the top of the battery case and exhaust air, so that the purpose of accurately checking the position of the battery case with poor air tightness is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of airtightness leak detection devices, in particular to an airtightness leak detection device. Background Art

[0002] The battery is composed of components such as electrolyte and shell. If the battery shell is not sealed well, the electrolyte will leak out, which will not only pollute the environment but also shorten the service life of the battery. Therefore, leak detection of the battery shell is very important. Therefore, an airtight leak detection device is needed when testing the airtightness of the battery shell.

[0003] The current airtightness leak detection device cannot determine the specific location of the poor airtightness of the battery shell after the battery shell passes the water test, which is inconvenient for the staff to deal with the battery shell problems in subsequent production in a timely manner, resulting in repeated problems. Therefore, an airtightness leak detection device is proposed to solve the above problem. Utility Model Content

[0004] (I) Purpose of the utility model

[0005] In order to solve the technical problems existing in the background technology, the utility model proposes an airtight leak detection device, which has the advantages of accurate investigation, etc., and solves the problem that the current airtight leak detection device cannot determine the specific location of the poor airtightness of the battery casing after the battery casing passes the water inspection, which makes it inconvenient for the staff to deal with the problems of the battery casings in subsequent production in time, thus causing the problem to recur repeatedly.

[0006] (II) Technical solution

[0007] The utility model provides an airtight leak detection device, comprising a base, a water tank is provided on the top of the base, a limit block is provided on the inner bottom wall of the water tank, a battery shell is placed on the limit block, a water adding component is provided on the right side of the base, a limit component is provided inside the base, an electric slide is provided on the top rear end of the base, and an exhaust component for accurately checking the battery shell is provided on the electric slide.

[0008] Preferably, a groove is formed on the top of the limiting block and is adapted to fit the battery housing.

[0009] Preferably, the water adding assembly includes a water pump, a water outlet pipe and a water inlet pipe, the water pump is arranged on the right side of the base, the water outlet pipe is arranged at the bottom of the water pump, the water inlet pipe is arranged at the top of the water pump, and the other end passes through and extends to the interior of the water tank.

[0010] Preferably, the limit assembly includes a limit slot, an electric push rod and a positioning block, the limit slot is opened inside the base, the electric push rod is arranged inside the limit slot, and the output end passes through and extends to the inside of the limit slot, and the positioning block is arranged at the output end of the electric push rod.

[0011] Preferably, there are two groups of the limiting components, and they are distributed symmetrically on the left and right.

[0012] Preferably, the vacuum assembly includes a vacuum pump, a fixed plate, a sealing gasket and a vacuum pipe, the vacuum pump is arranged at the top of the moving end of the electric slide, the fixed plate is arranged at the bottom of the moving end of the electric slide, the sealing gasket is arranged at the bottom of the fixed plate, and the vacuum pipe is arranged at the air outlet end of the vacuum pump, and the other end passes through and extends to the bottom of the sealing gasket.

[0013] Compared with the prior art, the above-mentioned technical scheme of the utility model has the following beneficial technical effects: the airtight leak detection device, by providing a limiting component, can conveniently limit the battery casing, by providing a water adding component, can add water to the water tank, by providing an exhaust component, can seal the top of the battery casing and then exhaust the air, so as to achieve the purpose of accurately checking the position of the battery casing with poor airtightness. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic structural diagram of an airtight leak detection device.

[0015] Figure 2 This is an enlarged view of point A in the airtight leak detection device proposed by the utility model.

[0016] Figure numerals: 1. base; 2. water tank; 3. limit block; 4. battery housing; 5. water adding assembly; 51. water pump; 52. water outlet pipe; 53. water inlet pipe; 6. limit assembly; 61. limit groove; 62. electric push rod; 63. positioning block; 7. electric slide; 8. exhaust assembly; 81. exhaust pump; 82. fixing plate; 83. sealing gasket; 84. exhaust pipe. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0018] In the description of the utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0019] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, welding, riveting, bonding, etc., or a detachable connection, threaded connection, key connection, pin connection, etc., or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0020] like Figure 1-2 As shown, the utility model proposes an airtight leak detection device, including a base 1, a water tank 2 is provided on the top of the base 1, a limit block 3 is provided on the inner bottom wall of the water tank 2, a battery casing 4 is placed on the limit block 3, a groove is provided on the top of the limit block 3, and is adapted to the battery casing 4 to facilitate limiting the battery casing 4, a water adding component 5 is provided on the right side of the base 1, a limit component 6 is provided inside the base 1, an electric slide 7 is provided at the top rear end of the base 1, and an exhaust component 8 for accurately checking the battery casing is provided on the electric slide 7.

[0021] In this embodiment, by providing a limiting component 6, the battery casing 4 can be limited conveniently, by providing a water adding component 5, the water tank 2 can be added with water, and by providing a vacuum component 8, the top of the battery casing 4 is sealed and then vacuumed, so as to achieve the purpose of accurate location inspection for poor airtightness.

[0022] In an optional embodiment, the water adding component 5 includes a water pump 51, a water outlet pipe 52 and a water inlet pipe 53. The water pump 51 is arranged on the right side of the base 1, the water outlet pipe 52 is arranged at the bottom of the water pump 51, the water inlet pipe 53 is arranged at the top of the water pump 51, and the other end passes through and extends to the interior of the water tank 2, and the water inlet pipe 53 is connected to an external water source.

[0023] It should be noted that when water needs to be added to the interior of the water tank 2, the water pump 51 is started to allow the external water source to be introduced into the interior of the water tank 2 through the water inlet pipe 53 and the water outlet pipe 52 to complete the water addition.

[0024] In an optional embodiment, the limit assembly 6 includes a limit groove 61, an electric push rod 62 and a positioning block 63. The number of limit assemblies 6 is two groups, and they are symmetrically distributed on the left and right, which is convenient for limiting the battery housing 4. The limit groove 61 is opened inside the base 1, the electric push rod 62 is arranged inside the limit groove 61, and the output end passes through and extends to the inside of the limit groove 61, and the positioning block 63 is arranged at the output end of the electric push rod 62.

[0025] It should be noted that when the battery housing 4 needs to be limited, the electric push rod 62 is started to make the positioning block 63 clamp the two sides of the battery housing 4, thereby completing the limitation of the battery housing 4.

[0026] In an optional embodiment, the vacuum assembly 8 includes a vacuum pump 81, a fixed plate 82, a sealing gasket 83 and a vacuum pipe 84. The vacuum pump 81 is arranged at the top of the moving end of the electric slide 7, the fixed plate 82 is arranged at the bottom of the moving end of the electric slide 7, the sealing gasket 83 is arranged at the bottom of the fixed plate 82, and the vacuum pipe 84 is arranged at the air outlet end of the vacuum pump 81, and the other end passes through and extends to the bottom of the sealing gasket 83.

[0027] It should be noted that when it is necessary to detect the specific position where the battery casing 4 has poor air tightness, start the electric slide 7 to make the sealing gasket 83 fit with the top of the battery casing 4, and then start the vacuum pump 81 to make the vacuum pipe 84 evacuate the inside of the battery casing 4. If the air tightness is not good, the water in the water tank 2 will penetrate into the battery casing 4. The specific position of the leak can be accurately found through the water marks on the top of the inner wall, thereby completing accurate troubleshooting.

[0028] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. An airtight leak detection device, comprising a base (1), a water tank (2) is provided on the top of the base (1), a limit block (3) is provided on the inner bottom wall of the water tank (2), a battery housing (4) is placed on the limit block (3), a water adding component (5) is provided on the right side of the base (1), a limit component (6) is provided inside the base (1), and an electric slide (7) is provided at the top rear end of the base (1), characterized in that: The electric slide (7) is provided with an exhaust assembly (8) capable of accurately inspecting the battery casing.

2. The airtight leak detection device according to claim 1, characterized in that: The top of the limiting block (3) is provided with a groove, and is adapted to fit the battery housing (4).

3. The airtightness leak detection device according to claim 1, characterized in that: The water adding assembly (5) comprises a water pump (51), a water outlet pipe (52) and a water inlet pipe (53); the water pump (51) is arranged on the right side of the base (1); the water outlet pipe (52) is arranged at the bottom of the water pump (51); the water inlet pipe (53) is arranged at the top of the water pump (51), and the other end of the water inlet pipe passes through and extends into the interior of the water tank (2).

4. The airtight leak detection device according to claim 1, characterized in that: The limiting assembly (6) comprises a limiting groove (61), an electric push rod (62) and a positioning block (63); the limiting groove (61) is opened inside the base (1); the electric push rod (62) is arranged inside the limiting groove (61), and the output end passes through and extends into the limiting groove (61); the positioning block (63) is arranged at the output end of the electric push rod (62).

5. The airtight leak detection device according to claim 4, characterized in that: The number of the limiter components (6) is two groups, and they are distributed symmetrically on the left and right.

6. The airtight leak detection device according to claim 1, characterized in that: The vacuum assembly (8) comprises a vacuum pump (81), a fixing plate (82), a sealing gasket (83) and a vacuum pipe (84); the vacuum pump (81) is arranged at the top of the movable end of the electric slide (7); the fixing plate (82) is arranged at the bottom of the movable end of the electric slide (7); the sealing gasket (83) is arranged at the bottom of the fixing plate (82); the vacuum pipe (84) is arranged at the air outlet end of the vacuum pump (81), and the other end thereof passes through and extends to the bottom of the sealing gasket (83).

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