Air tightness detection tool for preventing neglected loading of product

By designing an airtightness detection tool that includes slider, sleeve, cylinder and pressure sensor, the problem that traditional gearbox sealing detection relies on manual experience, and automated and highly accurate sealing detection is achieved.

CN223205074UActive Publication Date: 2025-08-08QIYANG MOTORS SUZHOU CO LTD
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Patent Information

Application Number
CN202422549969.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-08-08
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Traditional gearbox sealing detection relies on workers' experience and intuitive judgments, and is highly subjective, prone to misjudgment, and the accuracy of the detection is difficult to guarantee.

Method used

A product leak-proof airtightness detection tool is designed, including sliding rods, sleeves, cylinders, seals and pressure sensors. The sealing of the part to be tested is mechanically blocked and the sealing is judged using the pressure sensor and display screen, and the air pump and alarm are combined to achieve automatic detection.

Benefits of technology

It realizes automatic sealing of gearbox and high accuracy detection, reduces manual misjudgment, and improves the reliability and efficiency of detection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223205074U_ABST
Patent Text Reader

Abstract

The utility model discloses a product neglected loading prevention air tightness detection tool which comprises a bottom plate, vertical plates are fixedly arranged on the two sides of the top of the bottom plate respectively, a placement block is arranged in the middle of the bottom plate in a left-right sliding mode, a placement clamping groove is formed in the top of the placement block, and a piece to be detected is placed and clamped in the placement clamping groove. An air inlet pipe is fixedly arranged at the top of the to-be-detected piece, a first to-be-sealed opening is fixedly arranged on one side of the to-be-detected piece, a second to-be-sealed opening is fixedly arranged on the other side of the to-be-detected piece, a supporting block is fixedly arranged at the top of the vertical plate close to the second to-be-sealed opening, and an air cylinder is fixedly arranged on the outer wall of the supporting block. The gear box sealing performance detection device solves the problems that a traditional gear box sealing performance detection method generally depends on experience of workers and visual judgment, manual detection is high in subjectivity, misjudgment is prone to being generated, the detection efficiency is high, and the detection precision is high. And the detection accuracy is difficult to guarantee.
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Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection, in particular to a product leakage-proof air tightness detection tool. Background Art

[0002] In modern industrial production, gearboxes, as an important power transmission device, are widely used in various machines and equipment. The sealing performance of gearboxes is directly related to their working performance and the safe operation of the equipment. Sealing rings and wool plugs are commonly used sealing elements in gearboxes. Their correct installation is essential to prevent lubricating oil leakage and keep the inside of the gearbox clean. However, during the assembly process of the gearbox, due to human operational errors or other reasons, sealing rings and wool plugs may be missed, which will lead to gearbox performance degradation or even failure.

[0003] Traditional gearbox sealing detection methods usually rely on workers' experience and intuitive judgment. Manual detection is highly subjective, prone to misjudgment, and detection accuracy is difficult to guarantee. Therefore, the utility model proposes a product leakage-proof airtightness detection tool to solve the above problems. Utility Model Content

[0004] In view of the above-mentioned defects in the prior art, the purpose of the present invention is to provide a product leakage-proof airtightness detection tool.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a product leakage-proof airtightness detection tool, comprising a bottom plate, vertical plates are fixedly provided on both sides of the top of the bottom plate, a placement block is provided in the middle position of the bottom plate for sliding left and right, a placement slot is provided on the top of the placement block, a piece to be tested is placed in the placement slot, an air inlet pipe is fixedly provided on the top of the piece to be tested, a first opening to be sealed is fixedly provided on one side of the piece to be tested, a second opening to be sealed is fixedly provided on the other side of the piece to be tested, and a support block is fixedly provided on the top of the vertical plate near the second opening to be sealed A cylinder is fixedly provided on the outer wall of the support block, the telescopic end of the cylinder passes through the support block and is fixedly connected to the second sealing member, a first sealing member is fixedly provided on the inner side of the vertical plate to be sealed near the first, a hand valve is installed on one side of the top of the bottom plate, an air pump is fixedly installed on the other side of the top of the bottom plate, the air pump is fixedly connected to an inflation handle through an air pipe, a detachable sealing sleeve of the inflation handle is provided on the air inlet pipe, a pressure sensor is embedded in the inner wall of the inflation handle, a pressure display screen is provided on the back of the inflation handle, and the pressure sensor is electrically connected to the pressure display screen.

[0006] Furthermore, a waterproof plate is fixedly provided at the bottom of the base plate, and the base plate and the waterproof plate are integrally formed.

[0007] Furthermore, sleeve blocks are symmetrically arranged on the front and rear sides of the placement block, and there are four sleeve blocks in total. The inner wall of the sleeve block is fixedly connected to the placement block through a support rod. The sleeve block is slidably sleeved on a slide rod, and there are two slide rods. The slide rod is fixedly arranged between the two vertical plates.

[0008] Furthermore, the second sealing member includes a second sealing block, the second sealing block is fixedly connected to the telescopic end of the cylinder, and a second sealing gasket is provided on the inner side of the second sealing block.

[0009] Furthermore, a pressure sensor is fixedly provided on the inner side of the second sealing block, and the side of the pressure sensor away from the second sealing block is fixedly connected to the sealing gasket. The pressure sensor is electrically connected to a pressure controller, and the pressure controller is electrically connected to an alarm.

[0010] Furthermore, the second sealing member and the second opening to be sealed are located on the same horizontal line, and the first sealing member and the first opening to be sealed are also located on the same horizontal line.

[0011] Furthermore, the first sealing member includes a first sealing block, the first sealing block is fixedly connected to the adjacent vertical plate, and a first sealing gasket is fixedly provided on the inner side of the first sealing block.

[0012] Furthermore, a mounting block is fixedly provided at the bottom of the manual valve, and positioning screws are respectively provided on four sides of the top of the mounting block, and the mounting block is fixed to the base plate by the positioning screws.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. Place the part to be tested in the placement slot through the provided slide bar, sleeve block, placement slot, cylinder, second sealing block and hand-turn valve. Turn the hand-turn valve, and the cylinder extends to drive the second sealing block to move. The second sealing block drives the part to be tested to move to the left until the second sealing block abuts against the second opening to be sealed, and the first sealing block abuts against the first opening to be sealed. Under the action of the second sealing gasket, the second opening to be sealed is blocked and sealed. Under the action of the first sealing gasket, the first opening to be sealed is blocked and sealed. Manually put the inflation handle on the air inlet pipe and start the air pump. The air pump inflates the part to be tested for a period of time and then turns off. The pressure sensor senses the force brought by the air pressure, which is displayed on the pressure display. The user observes the number on the display and whether there is any sound of air leakage. If the number on the display does not change and there is no sound of air leakage, the sealing is good. On the contrary, if the number on the display changes and there is a sound of air leakage, it is judged as a missing installation NG, which requires timely inspection and repair. The manual rotary valve is reversed, the cylinder is reset, and the part to be tested is manually removed. The inspection is completed. This solves the problem that the traditional gearbox sealing test method usually relies on the worker's experience and intuitive judgment. Manual testing is highly subjective, prone to misjudgment, and difficult to ensure test accuracy.

[0015] 2. The waterproof plate is fixed to the bottom of the base plate, which can provide waterproof protection for the bottom of the base plate;

[0016] 3. Through the set pressure sensor, the pressure sensor can sense the size of the pressure and transmit the pressure signal to the pressure controller. The alarm starts to sound, which means that the extrusion force is large enough. The second and first sealing ends have been sealed, preventing the cylinder from continuing to extend and causing damage to the parts to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the solutions in the present invention, a brief introduction is given below to the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a stereogram provided by the utility model;

[0019] Figure 2 This is the main view provided by the utility model;

[0020] Figure 3 It is a top view provided by the utility model;

[0021] Figure 4 This is an enlarged schematic diagram of part A provided by the utility model;

[0022] Figure 5 It is a bottom-up stereogram provided by the present invention;

[0023] Description of reference numerals:

[0024] 1. Bottom plate; 2. Waterproof board; 3. Air pump; 4. Air pipe; 5. First sealing block; 6. Support rod; 7. First end to be sealed; 8. Inflating handle; 9. Inlet pipe; 10. Slide rod; 11. Sleeve block; 12. Placement block; 13. Placement slot; 14. Telescopic end; 15. Hand valve; 16. Mounting block; 17. Positioning screw; 18. Cylinder; 19. Second end to be sealed; 20. Second sealing part; 201. Pressure sensor; 202. Second sealing gasket; 203. Second sealing block; 21. First sealing gasket; 22. Part to be tested; 23. Support block; 24. Vertical plate. DETAILED DESCRIPTION

[0025] The following detailed description of the preferred embodiments of the present invention is provided in conjunction with the accompanying drawings to make the advantages and features of the present invention more easily understood by those skilled in the art, thereby more clearly defining the scope of protection of the present invention. Obviously, the described embodiments are only a portion of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are also within the scope of protection of the present invention.

[0026] The terms "including" and "having," as well as any variations thereof, in the specification and claims of this utility model and the accompanying drawings are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the specification and claims of this utility model and the accompanying drawings are used to distinguish between different items, not to describe a specific order.

[0027] See also Figure 1-5, a product leak-proof packaging airtightness detection tooling, including a bottom plate 1, vertical plates 24 are fixedly provided on both sides of the top of the bottom plate 1, a placement block 12 is slidingly provided at the middle position of the bottom plate 1, and sleeve blocks 11 are symmetrically provided on the front and back sides of the placement block 12. There are four sleeve blocks 11 in total, and the inner wall of the sleeve block 11 is fixedly connected to the placement block 12 through a support rod 6. The sleeve block 11 is slidably sleeved on the slide rod 10, and there are two slide rods 10. The slide rod 10 is fixedly set between the two vertical plates 24. A placement slot 13 is provided on the top of the placement block 12, and a card to be detected 22 is placed in the placement slot 13. The top of the part to be detected 22 is fixedly provided with an air inlet pipe 9, and a first to-be-sealed opening 7 is fixedly provided on one side of the part to be detected 22, and a The second opening to be sealed 19, a support block 23 is fixedly provided on the top of the vertical plate 24 near the second opening to be sealed 19, a cylinder 18 is fixedly provided on the outer wall of the support block 23, the telescopic end 14 of the cylinder 18 passes through the support block 23 and is fixedly connected to the second sealing member 20, the second sealing member 20 includes a second sealing block 203, the second sealing block 203 is fixedly connected to the telescopic end 14 of the cylinder 18, a second sealing gasket 202 is provided on the inner side of the second sealing block 203, a first sealing member is fixedly provided on the inner side of the vertical plate 24 near the first opening to be sealed 7, the first sealing member includes a first sealing block 5, the first sealing block 5 is fixedly connected to the adjacent vertical plate 24, a first sealing gasket 21 is fixedly provided on the inner side of the first sealing block 5, a hand valve 15 is installed on one side of the top of the bottom plate 1, the hand valve 15 is turned, the cylinder 18 stretches and drives the second sealing block 203 to move, and the second sealing block 203 drives the to-be-detected piece 22 to move to the left, until the second sealing block 203 is against the second to-be-sealed opening 19, and the first sealing block 5 is against the first to-be-sealed opening 7. Under the action of the second sealing gasket 202, the second to-be-sealed opening 19 is blocked and sealed. Under the action of the first sealing gasket 21, the first to-be-sealed opening 7 is blocked and sealed. The inflation handle 8 is manually sleeved on the air inlet pipe 9, and the air pump 3 is started to work. The air pump 3 inflates the to-be-detected piece 22 for a period of time and then closes. The bottom of the hand-turned valve 15 is fixedly provided with a mounting block 16, and the four sides of the top of the mounting block 16 are respectively provided with positioning screws 17. The mounting block 16 is fixed to the bottom plate 1 by the positioning screws 17, and the other side of the top of the bottom plate 1 is fixedly provided with the air pump 3. 3 is fixedly connected to the inflation handle 8 through the air pipe 4. The detachable sealing sleeve of the inflation handle 8 is set on the air inlet pipe 9. The second sealing member 20 and the second to-be-sealed opening 19 are located on the same horizontal line. The first sealing member and the first to-be-sealed opening 7 are also located on the same horizontal line. A pressure sensor is embedded in the inner wall of the inflation handle 8. A pressure display screen is set on the back of the inflation handle 8. The pressure sensor is electrically connected to the pressure display screen. The pressure sensor senses the force brought by the air pressure, and the force is displayed on the pressure display screen. Observe the display screen number and observe whether there is a sound of air leakage. If the display screen number does not change and there is no sound of air leakage, the sealing is good. On the contrary, if the display screen number changes and there is a sound of air leakage, it is judged as a missing installation NG, and it is checked and repaired in time. Reverse the manual rotary valve 15 and the cylinder 18 is reset.Manually remove the part to be inspected 22 and the inspection is completed.

[0028] As an improvement to the above technical solution, a waterproof plate 2 is fixedly provided at the bottom of the base plate 1. The base plate 1 and the waterproof plate 2 are integrally formed. The waterproof plate 2 is fixed to the bottom of the base plate 1 and can provide waterproof protection for the bottom of the base plate 1.

[0029] As an improvement of the above technical solution, a pressure sensor 201 is fixedly provided on the inner side of the second sealing block 203. The side of the pressure sensor 201 away from the second sealing block 203 is fixedly connected to the sealing gasket 202. The pressure sensor 201 is electrically connected to the pressure controller, and the pressure controller is electrically connected to the alarm. The pressure sensor 201 can sense the magnitude of the pressure and transmit the pressure signal to the pressure controller. The alarm starts to sound, which means that the extrusion force is large enough. The second opening to be sealed 19 and the first opening to be sealed 7 have been sealed, preventing the cylinder 18 from continuing to extend and causing damage to the part to be detected 22.

[0030] The working principle and usage of this utility model;

[0031] When in use, place the part to be detected 22 in the placement slot 13, turn the hand valve 15, the cylinder 18 extends to drive the second sealing block 203 to move, and the second sealing block 203 drives the part to be detected 22 to move to the left until the second sealing block 203 is against the second opening to be sealed 19, and the first sealing block 5 is against the first opening to be sealed 7. Under the action of the second sealing gasket 202, the second opening to be sealed 19 is blocked and sealed. Under the action of the first sealing gasket 21, the first opening to be sealed 7 is blocked and sealed. Manually put the inflation handle 8 on the air inlet pipe 9, start the air pump 3, and the air pump 3 inflates the part to be detected 22 for a period of time and then turns off. The pressure sensor senses the force brought by the air pressure, and the force is displayed on the pressure display screen. Observe the display Check the screen numbers and observe whether there is any sound of air leakage. If the screen numbers do not change and there is no sound of air leakage, the sealing is good. On the contrary, the screen numbers change and there is a sound of air leakage, it is judged as missing installation NG, and it is checked and repaired in time. Reverse the manual rotary valve 15, reset the cylinder 18, manually remove the part to be tested 22, and the inspection is completed. The waterproof board 2 is fixed to the bottom of the base plate 1, which can provide waterproof protection for the bottom of the base plate 1. The pressure sensor 201 can sense the size of the pressure and transmit the pressure signal to the pressure controller. The alarm starts to sound, which means that the extrusion force is large enough. The second to be sealed 19 and the first to be sealed 7 have been sealed to prevent the cylinder 18 from continuing to extend and causing damage to the part to be tested 22.

[0032] The above description is only used to illustrate the technical solution of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A product leak-proof airtightness detection tool, characterized by: The invention comprises a bottom plate (1), vertical plates (24) are fixedly provided on both sides of the top of the bottom plate (1), a placement block (12) is slidably provided at the middle position of the bottom plate (1), a placement slot (13) is provided on the top of the placement block (12), a to-be-detected part (22) is placed in the placement slot (13), an air inlet pipe (9) is fixedly provided on the top of the to-be-detected part (22), a first to-be-sealed opening (7) is fixedly provided on one side of the to-be-detected part (22), a second to-be-sealed opening (19) is fixedly provided on the other side of the to-be-detected part (22), a support block (23) is fixedly provided on the top of the vertical plate (24) near the second to-be-sealed opening (19), and an outer wall of the support block (23) is fixedly provided. A cylinder (18) is provided, the telescopic end (14) of the cylinder (18) passes through the support block (23) and is fixedly connected to the second sealing member (20), the first sealing member is fixedly provided on the inner side of the vertical plate (24) close to the first to-be-sealed (7), a hand valve (15) is installed on one side of the top of the bottom plate (1), an air pump (3) is fixedly installed on the other side of the top of the bottom plate (1), the air pump (3) is fixedly connected to the inflation handle (8) through the air pipe (4), the detachable sealing sleeve of the inflation handle (8) is provided on the air inlet pipe (9), a pressure sensor is embedded in the inner wall of the inflation handle (8), a pressure display screen is provided on the back of the inflation handle (8), and the pressure sensor is electrically connected to the pressure display screen.

2. The product leak-proof airtightness detection tool according to claim 1, characterized in that: A waterproof plate (2) is fixedly provided at the bottom of the base plate (1), and the base plate (1) and the waterproof plate (2) are integrally formed.

3. The product leak-proof airtightness detection tool according to claim 2, characterized in that: The placing block (12) is symmetrically provided with sleeve blocks (11) on both sides thereof, and there are four sleeve blocks (11) in total. The inner wall of the sleeve block (11) is fixedly connected to the placing block (12) through a support rod (6). The sleeve block (11) is slidably sleeved on a slide rod (10). There are two slide rods (10) and the slide rod (10) is fixedly provided between the two vertical plates (24).

4. The product leak-proof airtightness detection tool according to claim 3, characterized in that: The second sealing member (20) comprises a second sealing block (203), the second sealing block (203) is fixedly connected to the telescopic end (14) of the cylinder (18), and a second sealing gasket (202) is provided on the inner side of the second sealing block (203).

5. The product leak-proof airtightness detection tool according to claim 4, characterized in that: A pressure sensor (201) is fixedly provided on the inner side of the second sealing block (203); the side of the pressure sensor (201) away from the second sealing block (203) is fixedly connected to the sealing gasket (202); the pressure sensor (201) is electrically connected to a pressure controller, and the pressure controller is electrically connected to an alarm.

6. The product leak-proof airtightness detection tool according to claim 5, characterized in that: The second sealing member (20) and the second opening to be sealed (19) are located on the same horizontal line, and the first sealing member and the first opening to be sealed (7) are also located on the same horizontal line.

7. The product leak-proof airtightness detection tool according to claim 6, characterized in that: The first sealing member comprises a first sealing block (5), the first sealing block (5) being fixedly connected to the adjacent vertical plate (24), and a first sealing gasket (21) being fixedly provided on the inner side of the first sealing block (5).

8. The product leak-proof airtightness detection tool according to claim 7, characterized in that: A mounting block (16) is fixedly provided at the bottom of the hand-operated valve (15), and positioning screws (17) are respectively provided on the four sides of the top of the mounting block (16). The mounting block (16) is fixed to the base plate (1) via the positioning screws (17).