Air tightness detection device with clamping function

Abstract

The utility model relates to the technical field of air tightness detection, and discloses an air tightness detection device with a clamping function, which comprises a base, a coaming is fixedly mounted at the top of the base, a sealing plate is arranged at the top of the coaming, a pressure gauge is fixedly mounted on the sealing plate, a booster pump is fixedly mounted on the right side of the coaming, and a clamping groove is formed in the right side of the booster pump. A placement plate is arranged in the surrounding plate, a battery is arranged at the top of the placement plate, and a connecting rod is fixedly mounted between the placement plate and the sealing plate; according to the utility model, the new energy automobile battery needing air tightness detection is placed at the top of the placing plate, and the handle is rotated to enable the two vertical rods to drive the two U-shaped clamping plates to clamp and fix the new energy automobile battery, so that the battery is prevented from position deviation after being punched by gas, and the detection accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of airtightness detection, in particular to an airtightness detection device with a clamping function. Background Technique

[0002] With the international energy shortage, increasingly serious air pollution and the deepening of human awareness of low-carbon environmental protection, energy conservation and environmental protection have risen to the national strategic level. In the automotive industry, more and more automotive enterprises are focusing on new energy vehicles. The broad prospects of the new energy vehicle industry have promoted the rapid development of the new energy vehicle battery industry.

[0003] In the entire new energy vehicle battery industry chain, from upstream raw materials, battery materials, battery manufacturers to downstream vehicle enterprises will benefit from the development of new energy vehicles. Therefore, the market has also shown extremely high attention, triggering round after round of investment booms. However, despite this, there are still many hidden dangers in the current situation of the new energy vehicle battery industry chain.

[0004] The existing technology has the following deficiencies: New energy vehicle battery packs with unqualified airtightness flow into the market, causing losses to consumers' lives and property. Among them, the unstable position of the new energy battery pack after being subjected to gas stamping often leads to unstable readings of the pressure gauge, affecting the accuracy of the results. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide an airtightness detection device with a clamping function in view of the above deficiencies in the existing technology.

[0006] To solve the above technical problem, the technical solution adopted by the utility model is: An airtightness detection device with a clamping function, including a base, a surrounding plate is fixedly installed on the top of the base, a sealing plate is arranged on the top of the surrounding plate, a pressure gauge is fixedly installed on the sealing plate, a booster pump is fixedly installed on the right side of the surrounding plate, a placement plate is arranged inside the surrounding plate, a battery is arranged on the top of the placement plate, a connecting rod is fixedly installed between the placement plate and the sealing plate, a clamping mechanism is arranged on the placement plate, the clamping mechanism includes a bidirectional threaded rod, a through hole, a vertical rod and a U-shaped clamping plate, the through hole is opened on the placement plate, the U-shaped clamping plate is fixedly installed on the top of the vertical rod, and the vertical rod passes through the through hole and is slidably connected with the through hole, and the bidirectional threaded rod penetrates through the vertical rod and is threadedly connected with the vertical rod.

[0007] Preferably, a connecting pipe is fixedly installed on the left side of the booster pump, and the left end of the connecting pipe is arranged inside the surrounding plate. A one-way solenoid valve is arranged on the connecting pipe. The number of the U-shaped clamping plates, through holes and vertical rods is two, and they are arranged oppositely. The battery is arranged between the two U-shaped clamping plates. By setting the one-way solenoid valve, the gas can only enter and not exit when the booster pump is started.

[0008] Preferably, a second connecting plate and a first connecting plate are fixedly connected to the bottom of the placing plate. The left end of the bidirectional threaded rod is rotatably connected to the right side of the second connecting plate through a second bearing, and the right end is rotatably connected to the left side of the first connecting plate through a first bearing. The first bearing and the second bearing are provided to enable the stable rotation of the bidirectional threaded rod.

[0009] Preferably, a first gear is fixedly sleeved on the outer wall of the bidirectional threaded rod, and the first gear is meshed with a second gear. A rotating rod is rotatably connected to the first connecting plate through a third bearing, and the second gear is fixedly installed at the left end of the rotating rod. A round plate is fixedly installed at the right end of the rotating rod, and a handle is fixedly connected to the right side of the round plate. The handle is provided to facilitate the rotation of the round plate.

[0010] Preferably, a lifting mechanism is provided on the top of the base. The lifting mechanism includes an electric push rod, a horizontal plate, an outer sealing ring, and an inner sealing ring. The outer sealing ring and the inner sealing ring are both fixedly connected to the bottom of the sealing plate, and the top of the surrounding plate is located between the outer sealing ring and the inner sealing ring. The electric push rod is fixedly installed on the top of the base, and the output end is fixedly connected to the bottom of the horizontal plate. The horizontal plate is fixedly installed on the side of the sealing plate. The outer sealing ring and the inner sealing ring are provided to form a sealing groove for the top of the surrounding plate to be inserted, improving the sealing effect of the sealing plate.

[0011] Preferably, fixing plates are fixedly installed on both the front and rear sides of the horizontal plate. A limiting rod is fixedly installed on the top of the base, and the limiting rod passes through the fixing plate and is slidably connected to the fixing plate. The limiting rod and the fixing plate are provided to enable the horizontal plate to stably drive the sealing plate to move up and down, and a limiting block is installed at the top of the limiting rod to prevent detachment.

[0012] The utility model adopts the above technical solutions and can bring the following beneficial effects:

[0013] 1. For the airtightness detection device with a clamping function, by placing the new energy vehicle battery to be subjected to airtightness detection on the top of the placing plate and rotating the handle, the two vertical rods drive the two U-shaped clamping plates to clamp and fix the new energy vehicle battery, avoiding the position deviation of the battery after being subjected to gas pressure and improving the detection accuracy.

[0014] 2. For the airtightness detection device with a clamping function, by starting the electric push rod to drive the horizontal plate to move upward, the horizontal plate drives the sealing plate to move upward, and the sealing plate drives the battery fixed on the placing plate to move out of the inside of the surrounding plate through the four connecting rods, facilitating the taking and placing of the battery. Moreover, the outer sealing ring and the inner sealing ring can surround the surrounding plate, increasing the sealing effect of the sealing plate and avoiding gas leakage during detection, resulting in inaccurate detection. Description of the Drawings

[0015] Figure 1Structural schematic diagram of the present utility model;

[0016] Figure 2 Cross-sectional view of the present utility model;

[0017] Figure 3 Enlarged view of A of the present utility model.

[0018] In the figure: 1, base; 2, enclosing plate; 3, sealing plate; 4, pressure gauge; 5, connecting rod; 6, placing plate; 7, clamping mechanism; 71, first connecting plate; 72, second connecting plate; 73, bidirectional threaded rod; 74, through hole; 75, vertical rod; 76, U-shaped clamping plate; 77, first gear; 78, second gear; 79, rotating rod; 710, circular plate; 8, lifting mechanism; 81, electric push rod; 82, cross plate; 83, fixing plate; 84, limiting rod; 85, outer sealing ring; 86, inner sealing ring. Specific embodiments

[0019] 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 making creative efforts belong to the protection scope of the present utility model.

[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0021] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "setting" should be understood in a broad sense. For example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "several" is two or more unless otherwise clearly and specifically defined.

[0023] Please refer to Figures 1-3 , an embodiment of the present utility model is: an airtightness detection device with a clamping function, including a base 1, a surrounding plate 2 is fixedly installed on the top of the base 1, a sealing plate 3 is arranged on the top of the surrounding plate 2, a pressure gauge 4 is fixedly installed on the sealing plate 3, a booster pump is fixedly installed on the right side of the surrounding plate 2, a placement plate 6 is arranged inside the surrounding plate 2, a battery is arranged on the top of the placement plate 6, the battery is a new energy vehicle battery, a connecting rod 5 is fixedly installed between the placement plate 6 and the sealing plate 3, a clamping mechanism 7 is arranged on the placement plate 6, the clamping mechanism 7 includes a bidirectional threaded rod 73, a through hole 74, a vertical rod 75 and a U-shaped clamping plate 76, the through hole 74 is opened on the placement plate 6, the U-shaped clamping plate 76 is fixedly installed on the top of the vertical rod 75, and the vertical rod 75 passes through the through hole 74 and is slidably connected with the through hole 74, the bidirectional threaded rod 73 penetrates through the vertical rod 75 and is threadedly connected with the vertical rod 75, a connecting pipe is fixedly installed on the left side of the booster pump, and the left end of the connecting pipe is arranged inside the surrounding plate 2, a one-way solenoid valve is arranged on the connecting pipe, the number of the U-shaped clamping plates 76, the through holes 74 and the vertical rods 75 is two, and they are arranged oppositely, the battery is arranged between the two U-shaped clamping plates 76, by setting the one-way solenoid valve, the gas can only enter and not exit when the booster pump is started, the bottom of the placement plate 6 is fixedly connected with a second connecting plate 72 and a first connecting plate 71, the left end of the bidirectional threaded rod 73 is rotatably connected with the right side of the second connecting plate 72 through a second bearing, and the right end is rotatably connected with the left side of the first connecting plate 71 through a first bearing, by setting the first bearing and the second bearing, the bidirectional threaded rod 73 rotates stably, a first gear 77 is fixedly sleeved on the outer wall of the bidirectional threaded rod 73, and the first gear 77 is meshed with a second gear 78, a rotating rod 79 is rotatably connected to the first connecting plate 71 through a third bearing, and the second gear 78 is fixedly installed on the left end of the rotating rod 79, a circular plate 710 is fixedly installed on the right end of the rotating rod 79, and a handle is fixedly connected to the right side of the circular plate 710, by setting the handle, it is convenient to rotate the circular plate 710.

[0024] Working principle: Place the new energy vehicle battery to be subjected to airtightness detection on the top of the placement plate 6. Rotate the handle to drive the circular plate 710 to rotate. The circular plate 710 drives the rotating rod 79 to rotate. The rotating rod 79 drives the bidirectional threaded rod 73 to rotate through the transmission of the second gear 78 and the first gear 77. The bidirectional threaded rod 73 drives two U-shaped clamping plates 76 through two vertical rods 75 to clamp and fix the new energy vehicle battery, avoiding the displacement of the battery due to gas punching, improving the accuracy of detection. Since the distance between the two U-shaped clamping plates 76 is adjustable, the device can fix batteries of different sizes. After fixing the battery, move the placement plate 6 into the inner part of the surrounding plate 2 and seal the surrounding plate 2. Then open the one-way solenoid valve and start the booster pump for a certain time to pressurize the inner part of the surrounding plate 2. After stopping the pressurization, record the pressure value of the pressure gauge 4, and then observe whether the pressure gauge 4 changes after a period of time. If it changes, the airtightness of the battery is unqualified; otherwise, the airtightness of the battery is qualified.

[0025] Please refer to Figures 1-2 , on the basis of the above embodiment, in another embodiment of the present utility model, a lifting mechanism 8 is provided on the top of the base 1. The lifting mechanism 8 includes an electric push rod 81, a cross plate 82, an outer sealing ring 85 and an inner sealing ring 86. The outer sealing ring 85 and the inner sealing ring 86 are both fixedly connected to the bottom of the sealing plate 3, and the top of the surrounding plate 2 is located between the outer sealing ring 85 and the inner sealing ring 86. The electric push rod 81 is fixedly installed on the top of the base 1, and the output end is fixedly connected to the bottom of the cross plate 82. The cross plate 82 is fixedly installed on the side of the sealing plate 3. By providing the outer sealing ring 85 and the inner sealing ring 86, a sealing groove can be formed for the top of the surrounding plate 2 to insert, improving the sealing effect of the sealing plate 3. Fixed plates 83 are fixedly installed on both the front and rear sides of the cross plate 82. A limiting rod 84 is fixedly installed on the top of the base 1, and the limiting rod 84 passes through the fixed plate 83 and is slidably connected to the fixed plate 83. By providing the limiting rod 84 and the fixed plate 83, the cross plate 82 can stably drive the sealing plate 3 to move up and down, and a limiting block is installed at the top of the limiting rod 84 to prevent detachment.

[0026] Working principle: By starting the electric push rod 81 to drive the cross plate 82 to move upward, the cross plate 82 drives the sealing plate 3 to move upward. The sealing plate 3 drives the battery fixed on the placement plate 6 to move out of the inner part of the surrounding plate 2 through the four connecting rods 5, facilitating the taking and placing of the battery. When detecting the airtightness of the battery, start the electric push rod 81 to drive the sealing plate 3 to move downward to close the surrounding plate 2. At this time, the outer sealing ring 85 and the inner sealing ring 86 surround the surrounding plate 2, increasing the sealing effect of the sealing plate 3 and avoiding gas leakage during detection, resulting in inaccurate detection.

[0027] It should be noted that the booster pump can be started to pressurize the inside of the enclosure 2, and the electric push rod 81 and the one-way solenoid valve are both controlled by the controller. The above are all prior arts and not the main innovation points, so no detailed description will be given here.

[0028] The present utility model provides an airtightness detection device with a clamping function. There are many methods and ways to specifically implement this technical solution. The above is only the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model. Each component not clearly defined in this embodiment can be implemented by using the prior art.

Claims

1. An airtightness detection device with a clamping function, comprising a base (1), characterized in that: A panel (2) is fixedly mounted on the top of the base (1), a sealing plate (3) is arranged on the top of the panel (2), a pressure gauge (4) is fixedly mounted on the sealing plate (3), a booster pump is fixedly mounted on the right side of the panel (2), a placement plate (6) is arranged inside the panel (2), a battery is arranged on the top of the placement plate (6), a connecting rod (5) is fixedly mounted between the placement plate (6) and the sealing plate (3), and a battery is fixedly mounted on the placement plate (6). A clamping mechanism (7) is provided, the clamping mechanism (7) comprising a bidirectional threaded rod (73), a through hole (74), a vertical rod (75) and a U-shaped clamping plate (76), the through hole (74) being provided on the placement plate (6), the U-shaped clamping plate (76) being fixedly mounted on the top of the vertical rod (75), the vertical rod (75) passing through the through hole (74) and being slidably connected to the through hole (74), and the bidirectional threaded rod (73) passing through the vertical rod (75) and being threadedly connected to the vertical rod (75).

2. The airtightness detection device with a clamping function according to claim 1, characterized in that: A connecting pipe is fixedly installed on the left side of the boost pump, and the left end of the connecting pipe is arranged inside the enclosure (2). A one-way solenoid valve is arranged on the connecting pipe. The number of the U-shaped clamping plates (76), the through holes (74) and the vertical rods (75) are all two and are arranged opposite to each other. The battery is arranged between the two U-shaped clamping plates (76).

3. The airtightness detection device with a clamping function according to claim 1, characterized in that: The bottom of the placement plate (6) is fixedly connected to a second connecting plate (72) and a first connecting plate (71); the left end of the bidirectional threaded rod (73) is rotatably connected to the right side of the second connecting plate (72) via a second bearing, and the right end is rotatably connected to the left side of the first connecting plate (71) via a first bearing.

4. The airtightness detection device with clamping function according to claim 3, characterized in that: The outer wall of the bidirectional threaded rod (73) is fixedly sleeved with a gear 1 (77), and the gear 1 (77) is meshingly connected with a gear 2 (78). The connecting plate 1 (71) is rotatably connected with a rotating rod (79) via a bearing 3, and the gear 2 (78) is fixedly mounted on the left end of the rotating rod (79). A circular plate (710) is fixedly mounted on the right end of the rotating rod (79), and a handle is fixedly connected to the right side of the circular plate (710).

5. The airtightness detection device with a clamping function according to claim 1, characterized in that: A lifting mechanism (8) is provided at the top of the base (1), and the lifting mechanism (8) comprises an electric push rod (81), a transverse plate (82), an outer sealing ring (85) and an inner sealing ring (86), the outer sealing ring (85) and the inner sealing ring (86) are both fixedly connected to the bottom of the sealing plate (3), and the top of the enclosure (2) is located between the outer sealing ring (85) and the inner sealing ring (86), the electric push rod (81) is fixedly mounted on the top of the base (1), and the output end is fixedly connected to the bottom of the transverse plate (82), and the transverse plate (82) is fixedly mounted on the side of the sealing plate (3).

6. The airtightness detection device with clamping function according to claim 5, characterized in that: A fixing plate (83) is fixedly mounted on both the front and rear sides of the transverse plate (82), a limiting rod (84) is fixedly mounted on the top of the base (1), and the limiting rod (84) passes through the fixing plate (83) and is slidably connected to the fixing plate (83).

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