Air tightness detection clamp

Abstract

The utility model discloses an air tightness detection clamp which comprises a machine body, a machine door is rotatably connected to the side surface of the machine body, a sealing ring is fixedly connected to the side surface of the machine door, an exhaust pipe is fixedly connected to the upper surface of the machine body, a display is fixedly connected to the side surface of the machine body, and a controller is fixedly connected to the side surface of the machine body. And a first telescopic rod is fixedly connected to the bottom inner wall of the machine body. According to the above structure, through mutual cooperation of the second telescopic rod, the sponge, the moving plate, the exhaust pipe, the air extractor and the exhaust pipe, products of different shapes can be clamped, the practicability of the device is improved, air can be extracted from the interior of an object to detect the air tightness of the object, and the detection efficiency is improved. The air tightness of an object can be observed according to the air pressure change in the moving box, meanwhile, the sealing performance of the device can be improved through cooperation of the sealing plate and the insertion groove, the working efficiency of the device is improved, and sealing detection can be better conducted on a product.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection, in particular to an air tightness detection fixture. Background Art

[0002] The airtightness test fixture is used to test the sealing performance of the product to ensure that the gas is not affected by gas leakage. It is widely used in the automotive manufacturing, medical equipment, electronics and other fields.

[0003] The airtightness testing fixture is generally tested by sealing porous products and is mainly used on production lines to seal and evacuate products. The existing airtightness testing fixture can prevent products from falling during the test through the cooperation of the frame, pressure assembly, slide plate, drive plate, motor, gears, spring and hand valve. The airtightness is improved and the work efficiency is improved. However, since different types of products need to be tested, the fixture cannot clamp different products. After searching, it was found that the technical solution provided by the utility model with application number CN202320173259.0 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide an airtightness detection fixture. Through the cooperation of the second telescopic rod, sponge, movable plate, vacuum pipe, vacuum fan and exhaust pipe, products of different shapes can be clamped, thereby improving the practicability of the device, and air can be pumped inside the items to detect the airtightness of the items. The airtightness of the items can be observed based on the changes in air pressure inside the movable box. At the same time, the sealing plate cooperates with the slot to improve the sealing of the device, improve the working efficiency of the device, and better perform sealing detection on the products.

[0005] To achieve the above object, the utility model also provides the above body, the side surface of the body is rotatably connected to a machine door, the side surface of the machine door is fixedly connected to a sealing ring, the upper surface of the body is fixedly connected to an exhaust pipe, the side surface of the body is fixedly connected to a display, the display can accurately see the air pressure changes inside the device, which is convenient for detecting the sealing of the product, and the side surface of the body is fixedly connected to a controller;

[0006] The bottom inner wall of the body is fixedly connected to a first telescopic rod, which can drive the mobile box to move upwards, thereby completely sealing the product; the output end of the first telescopic rod is fixedly connected to the mobile box, the bottom inner wall of the mobile box is fixedly connected to an air pressure detector, the side inner wall of the mobile box is fixedly connected to a second telescopic rod, the second telescopic rod drives the mobile plate to move, thereby clamping the product, the output end of the second telescopic rod is fixedly connected to the mobile plate, the side surface of the mobile plate is fixedly connected to a sponge, the side inner wall of the body is fixedly connected to a support plate, the lower surface of the support plate is fixedly connected to a sealing plate, the upper surface of the support plate is fixedly connected to an exhaust fan, the exhaust fan can exhaust the product to detect the air tightness of the product, and the input end of the exhaust fan is fixedly connected to an exhaust pipe.

[0007] According to the airtightness detection fixture, a handle is fixedly connected to the side surface of the door, and a slot is provided on the upper surface of the movable box.

[0008] According to the airtightness detection fixture, the side surface of the sealing plate is movably connected to the slot, and the sealing plate cooperates with the slot to improve the sealing of the mobile box and the detection effect of the device. The output end of the vacuum pump is fixedly connected to the exhaust pipe.

[0009] According to the airtightness detection fixture, the side surface of the movable plate is slidably connected to the movable box, and the upper surface of the movable plate is movably connected to the supporting plate.

[0010] According to the air tightness testing fixture, the side surface of the sponge is slidably connected to the moving box, and the upper surface of the sponge is movably connected to the supporting plate, so that the sponge can clamp products of different shapes and sizes.

[0011] According to the air tightness detection fixture, the side surface of the movable box is slidably connected to the body, and the side surface of the exhaust pipe is fixedly connected to the support plate.

[0012] According to the air tightness detection fixture, the air pressure detector is electrically connected to the display, and the air pressure detector, the controller and the display are all electrically connected to an external power source.

[0013] According to the airtightness detection fixture, the first telescopic rod, the second telescopic rod and the air pump are all electrically connected to an external power supply, and the first telescopic rod, the second telescopic rod and the air pump are all electrically connected to a controller.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the overall structure of the air tightness detection fixture of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the airtightness detection fixture of the utility model;

[0018] Figure 3 It is a partial structural schematic diagram of the airtightness detection fixture of the utility model;

[0019] Figure 4 This is another structural schematic diagram of the air tightness detection fixture of the utility model.

[0020] Legend:

[0021] 1. Machine body; 2. Machine door; 3. Handle; 4. Display; 5. Controller; 6. Exhaust pipe; 7. Sealing ring; 8. First telescopic rod; 9. Moving box; 10. Vacuum pump; 11. Support plate; 12. Sealing plate; 13. Slot; 14. Telescopic rod; 15. Moving plate; 16. Sponge; 17. Air pressure detector; 18. Exhaust pipe. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The airtightness detection fixture of the utility model embodiment includes a body 1, a side surface of the body 1 is rotatably connected to a machine door 2, a side surface of the machine door 2 is fixedly connected to a handle 3, a side surface of the machine door 2 is fixedly connected to a sealing ring 7, an upper surface of the body 1 is fixedly connected to an exhaust pipe 6, a side surface of the body 1 is fixedly connected to a display 4, the display 4 can accurately see the air pressure changes inside the device, which is convenient for detecting the sealing of the product, and the side surface of the body 1 is fixedly connected to a controller 5.

[0024] The bottom inner wall of the body 1 is fixedly connected with a first telescopic rod 8, the first telescopic rod 8, the second telescopic rod 14 and the vacuum fan 10 are all electrically connected to an external power supply, the first telescopic rod 8, the second telescopic rod 14 and the vacuum fan 10 are all electrically connected to the controller 5, the first telescopic rod 8 can drive the mobile box 9 to move upward, so as to completely seal the product, the output end of the first telescopic rod 8 is fixedly connected with the mobile box 9, the side surface of the mobile box 9 is slidably connected with the body 1, the upper surface of the mobile box 9 is provided with a slot 13, the bottom inner wall of the mobile box 9 is fixedly connected with an air pressure detector 17, the air pressure detector 17 is electrically connected to the display 4, the air pressure detector 17, the controller 5 and the display 4 are all electrically connected to an external power supply, the side inner wall of the mobile box 9 is fixedly connected with a second telescopic rod 14, the second telescopic rod 14 drives the mobile plate 15 to move, so as to clamp the product, the output end of the second telescopic rod 14 is fixedly connected with the mobile plate 15, the mobile plate 15 The side surface is slidably connected to the mobile box 9, the upper surface of the mobile plate 15 is movably connected to the support plate 11, the side surface of the mobile plate 15 is fixedly connected with a sponge 16, the side surface of the sponge 16 is slidably connected to the mobile box 9, the upper surface of the sponge 16 is movably connected to the support plate 11, the sponge 16 can clamp products of different shapes and sizes, the side inner wall of the body 1 is fixedly connected with the support plate 11, the lower surface of the support plate 11 is fixedly connected with a sealing plate 12, the side surface of the sealing plate 12 is movably connected to the slot 13, the sealing plate 12 cooperates with the slot 13 to improve the sealing of the mobile box 9 and improve the detection effect of the device, the upper surface of the support plate 11 is fixedly connected with a vacuum pump 10, the output end of the vacuum pump 10 is fixedly connected to the exhaust pipe 6, the vacuum pump 10 can exhaust the product to detect the air tightness of the product, the input end of the vacuum pump 10 is fixedly connected with the vacuum pipe 18, and the side surface of the vacuum pipe 18 is fixedly connected to the support plate 11.

[0025] Working principle: open the machine door 2, put the product in the mobile box 9, turn on the power, open the second telescopic rod 14 through the controller 5, the second telescopic rod 14 drives the mobile plate 15 to move, so as to clamp the product, and then open the first telescopic rod 8, the first telescopic rod 8 drives the mobile box 9 to move upward, the sealing plate 12 is inserted into the slot 13, and then close the machine door 2, turn on the vacuum pump 10, and the vacuum pump 10 exhausts the product. If the value on the display 4 does not change, the air tightness of the product is good.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. Air tightness testing fixture, characterized in that: include: A machine body (1), the side surface of the machine body (1) being rotatably connected to a machine door (2), the side surface of the machine door (2) being fixedly connected to a sealing ring (7), the upper surface of the machine body (1) being fixedly connected to an exhaust pipe (6), the side surface of the machine body (1) being fixedly connected to a display (4), and the side surface of the machine body (1) being fixedly connected to a controller (5); The bottom inner wall of the machine body (1) is fixedly connected to a first telescopic rod (8), the output end of the first telescopic rod (8) is fixedly connected to a moving box (9), the bottom inner wall of the moving box (9) is fixedly connected to an air pressure detector (17), the side inner wall of the moving box (9) is fixedly connected to a second telescopic rod (14), the output end of the second telescopic rod (14) is fixedly connected to a moving plate (15), the side surface of the moving plate (15) is fixedly connected to a sponge (16), the side inner wall of the machine body (1) is fixedly connected to a support plate (11), the lower surface of the support plate (11) is fixedly connected to a sealing plate (12), the upper surface of the support plate (11) is fixedly connected to an exhaust fan (10), and the input end of the exhaust fan (10) is fixedly connected to an exhaust pipe (18).

2. The airtightness detection fixture according to claim 1, characterized in that: A handle (3) is fixedly connected to the side surface of the machine door (2), and a slot (13) is provided on the upper surface of the moving box (9).

3. The airtightness detection fixture according to claim 2, characterized in that: The side surface of the sealing plate (12) is movably connected to the slot (13), and the output end of the air pump (10) is fixedly connected to the exhaust pipe (6).

4. The airtightness detection fixture according to claim 1, characterized in that: The side surface of the movable plate (15) is slidably connected to the movable box (9), and the upper surface of the movable plate (15) is movably connected to the supporting plate (11).

5. The airtightness testing fixture according to claim 1, characterized in that: The side surface of the sponge (16) is slidably connected to the moving box (9), and the upper surface of the sponge (16) is movably connected to the supporting plate (11).

6. The airtightness testing fixture according to claim 1, characterized in that: The side surface of the movable box (9) is slidably connected to the machine body (1), and the side surface of the air extraction pipe (18) is fixedly connected to the support plate (11).

7. The airtightness testing fixture according to claim 1, characterized in that: The air pressure detector (17) is electrically connected to the display (4), and the air pressure detector (17), the controller (5) and the display (4) are all electrically connected to an external power source.

8. The airtightness testing fixture according to claim 1, characterized in that: The first telescopic rod (8), the second telescopic rod (14) and the air pump (10) are all electrically connected to an external power source, and the first telescopic rod (8), the second telescopic rod (14) and the air pump (10) are all electrically connected to a controller (5).

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