Rubber sealing performance detection device

By integrating an air pump assembly, a humidifier, and a sensor system into the rubber sealing performance testing device, the problem of not being able to test sealing performance under different temperatures and humidity conditions in existing technologies has been solved, enabling accurate testing of rubber sealing rings in variable environments.

CN223741861UActive Publication Date: 2025-12-30GUANGZHOU GANGHUI RUBBER&PLASTIC HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202520271560.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-12-30
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

Existing technologies cannot test the performance of rubber seals under different temperature and humidity conditions.

Method used

A rubber sealing performance testing device was designed, comprising an air pump assembly, a solenoid valve, an air pressure sensor, a humidifier assembly, an electric heating block, a temperature sensor, and a humidity sensor. It can control and detect the internal temperature and humidity of the device, and detect the sealing performance through changes in air pressure.

Benefits of technology

This technology enables precise testing of the sealing performance of rubber seals under different temperature and humidity conditions, improving the comprehensiveness and accuracy of the testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a rubber leakproofness detection device, and relates to the leakproofness detection technology field, the rubber leakproofness detection device comprises a first pedestal, the upper end of the first pedestal is provided with an air pump assembly, the upper end of the air pump assembly is provided with an electromagnetic valve, and one side of a pipeline at the upper end of the electromagnetic valve is provided with an air pressure sensor. A first sealing cover is connected to the upper portion of the air pressure sensor through a pipeline, a sealing ring is arranged at the upper end of the first sealing cover, a second base is fixed to the upper end of the first base, and a stand column is fixed to the upper end of the second base. The electric heating piece is arranged to control the internal temperature condition of the device, and the temperature sensor is arranged to detect the current temperature of the internal test environment.
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Description

Technical Field

[0001] This utility model relates to the technical field of rubber sealing performance testing device, specifically a rubber sealing performance testing device. Background Technology

[0002] Rubber products refer to the activities of producing various rubber products using natural and synthetic rubber as raw materials. Among them, rubber seals are widely used. A rubber seal is an annular cover composed of one or more parts, fixed to one of the bearing rings or washers and in contact with another ring or washer or forming a narrow labyrinth gap to prevent lubricating oil leakage and foreign matter intrusion. After the rubber seals are produced, they need to be sampled and inspected for water and air leakage to check their quality.

[0003] A search revealed that a simple testing device for the sealing performance of a rubber sealing ring is disclosed in Chinese patent application number 201822201059.3. The device includes an open-top cylinder and a first support. An upwardly extending rod is provided at the center of the inner bottom surface of the cylinder. The diameter of the inner wall of the cylinder and the diameter of the rod are such that after the sealing ring to be tested is placed between the cylinder and the rod, the inner wall of the sealing ring fits against the outer wall of the rod, and the outer wall of the sealing ring fits against the inner wall of the cylinder. A first circular groove and a second circular groove are respectively opened on the left and right sides of the outer wall of the cylinder.

[0004] However, existing patents have the following drawbacks:

[0005] This simple testing device for the sealing performance of rubber sealing rings cannot test the performance of sealing rings under different temperatures and humidity conditions. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] To address the shortcomings of existing technologies, this invention provides a rubber sealing performance testing device, which solves the problem of not being able to test the performance of sealing rings under different temperatures and humidity conditions.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model is implemented through the following technical solution: It includes a first base, characterized in that: an air pump assembly is provided at the upper end of the first base, a solenoid valve is provided at the upper end of the air pump assembly, a pressure sensor is provided on one side of the upper pipe of the solenoid valve, a first sealing cover is connected to the upper part of the pressure sensor via a pipe, a sealing ring is provided at the upper end of the first sealing cover, a second base is fixed at the upper end of the first base, a column is fixed at the upper end of the second base, slide rails are fixed to both sides of the column via first brackets, second brackets are fixed to both sides of the column, a motor is fixed to one side of the second bracket via a second fixing block, a screw is driven at the bottom of the motor, several first fixing blocks are threaded onto the screw, a second sealing cover is fixed to one side of each first fixing block, and the slide rail limits the movement of the first fixing blocks.

[0010] In a preferred embodiment of this utility model, a support leg is fixed to the upper end of the first base, a housing is provided at the upper end of the support leg, a humidifier assembly is provided at the upper end of the housing, and a nozzle is connected to the humidifier assembly through a pipe. The nozzle is located at the top inside the housing.

[0011] As a preferred embodiment of this utility model, heating blocks are fixed on both sides inside the box.

[0012] As a preferred embodiment of this utility model, a lighting lamp is fixed to the upper end of the box.

[0013] In a preferred embodiment of this utility model, a controller is provided on the upper end of the first base, the controller is electrically connected to other electrical devices, and a display operator is provided on one side of the support leg.

[0014] In a preferred embodiment of this invention, a temperature sensor is provided at the front end of the column, and a humidity sensor is provided below the temperature sensor.

[0015] As a preferred embodiment of this utility model, the front end of the box is hinged to a door panel, and the middle part of the door panel is transparent glass.

[0016] As a preferred embodiment of this utility model, a handle is fixed to one side of the door panel by bolts.

[0017] (III) Beneficial Effects

[0018] This utility model provides a rubber sealing performance testing device, which has the following beneficial effects:

[0019] 1. This utility model discloses a rubber sealing performance testing device, which uses an electric heating element to control the internal temperature of the device and a temperature sensor to detect the current temperature of the internal testing environment.

[0020] 2. The present invention provides a rubber sealing performance testing device by setting up a humidifier to control the internal humidity of the device and setting up a humidity sensor to detect the current humidity of the internal testing environment.

[0021] 3. The present invention provides a rubber sealing performance testing device by setting up an air pump to evacuate the inside of the sealing cover and setting up a pressure sensor to detect changes in internal pressure. Attached Figure Description

[0022] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0025] Figure 3 This is a partial structural diagram of the sealing tube of this utility model;

[0026] In the diagram: 1. First base; 2. Controller; 3. Support leg; 4. First sealing cover; 5. Sealing ring; 6. Second sealing cover; 7. First fixing block; 8. Slide rail; 9. Screw; 10. First bracket; 11. Second bracket; 12. Second fixing block; 13. Motor; 14. Humidifier assembly; 15. Column; 16. Handle; 17. Cabinet; 18. Door panel; 19. Display operator; 20. Second base; 21. Air pressure sensor; 22. Air pump assembly; 23. Solenoid valve; 24. Nozzle; 25. Lighting lamp; 26. Heating block; 27. Temperature sensor; 28. Humidity sensor. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0028] Please see Figures 1 to 3This utility model provides a technical solution: a rubber sealing performance testing device, including a first base 1, an air pump assembly 22 is provided on the upper end of the first base 1, an electromagnetic valve 23 is provided on the upper end of the air pump assembly 22, a pressure sensor 21 is provided on one side of the upper pipe of the electromagnetic valve 23, a first sealing cover 4 is connected to the upper part of the pressure sensor 21 through a pipe, a sealing ring 5 is provided on the upper end of the first sealing cover 4, a second base 20 is fixed on the upper end of the first base 1, a column 15 is fixed on the upper end of the second base 20, slide rails 8 are fixed on both sides of the column 15 through first brackets 10, second brackets 11 are fixed on both sides of the column 15, a motor 13 is fixed on one side of the second bracket 11 through a second fixing block 12, a screw 9 is driven at the bottom of the motor 13, several first fixing blocks 7 are threaded on the screw 9, a second sealing cover 6 is fixed on one side of the first fixing block 7, and the slide rail 8 limits the first fixing block 7.

[0029] In a specific embodiment of this utility model, an air pump assembly 22 is provided on the upper end of the first base 1 for pumping air out of the sealing cover. An electromagnetic valve 23 is provided on the upper end of the air pump assembly 22 for controlling the inlet and outlet of the gas. A pressure sensor 21 is provided on one side of the pipe at the upper end of the electromagnetic valve 23 for detecting changes in internal pressure. The sealing performance of the sealing ring 5 is detected by detecting these changes in pressure. The upper part of the pressure sensor 21 is connected to the first sealing cover 4 via a pipe for mounting the sealing ring 5. The sealing ring 5 is located on the upper end of the first sealing cover 4. A second base 20 is fixed on the upper end of the first base 1 for mounting the column 15. The column 15 is fixed on the upper end of the second base 20 for mounting and fixing the first bracket 10. Slide rails 8 are fixed on both sides of the column 15 via the first bracket 10 for moving other devices. A sliding track is provided, and second brackets 11 are fixed on both sides of the column 15 for mounting the motor 13. The motor 13 is fixed on one side of the second bracket 11 by a second fixing block 12, which provides driving force for the rotation of the screw 9. The bottom of the motor 13 is equipped with a screw 9, and several first fixing blocks 7 are threaded on the screw 9. A second sealing cover 6 is fixed on one side of the first fixing block 7. By rotating the screw 9, the first fixing block 7 moves up and down, thereby realizing the up and down movement of the second sealing cover 6. After the sealing ring 5 is placed, the position of the second sealing cover 6 is adjusted so that the second sealing cover 6 and the first sealing cover 4 are merged. The air pump assembly 22 continuously pumps air. After the air pumping is completed, the solenoid valve 23 is closed. After a certain period of time, the sealing performance of the sealing ring 5 is detected by the air pressure sensor 21.

[0030] Specifically, the first base 1 has a support leg 3 fixed on its upper end, and a housing 17 is provided on the upper end of the support leg 3. A humidifier assembly 14 is provided on the upper end of the housing 17. The humidifier assembly 14 is connected to a nozzle 24 through a pipe. The nozzle 24 is located at the top inside the housing 17.

[0031] To solve the problem, such as Figure 1 As shown, a support leg 3 is fixed to the upper end of the first base 1 for mounting the housing 17. The housing 17 is set on the upper end of the support leg 3 for mounting the humidifier assembly 14. The humidifier assembly 14 is set on the upper end of the housing 17. The humidifier assembly 14 adopts a humidification device commonly used in the market with existing technology. The humidifier assembly 14 is connected to a nozzle 24 through a pipe. The nozzle 24 is located at the top inside the housing 17 and is used to humidify the inside of the housing 17 to realize the change of humidity inside the housing 17.

[0032] Specifically, heating blocks 26 are fixed on both sides inside the box 17.

[0033] To address the issue of altering the internal temperature of the enclosure, such as... Figure 2 As shown, heating blocks 26 are fixed on both sides inside the box 17 to change the temperature inside the box 17.

[0034] Specifically, a lighting lamp 25 is fixed to the upper end of the box 17.

[0035] To address the issue of interior lighting, such as Figure 2 As shown, a lighting lamp 25 is fixed on the upper end of the box 17 to provide internal lighting and supplement light when the light is insufficient.

[0036] Specifically, a controller 2 is provided on the upper end of the first base 1, and the controller 2 is electrically connected to other electrical devices. A display operator 19 is provided on one side of the support leg 3.

[0037] To solve the problems of device control and data display, such as Figure 1 As shown, a controller 2 is provided on the upper end of the first base 1. The controller 2 is electrically connected to other electrical devices and controls them. A display operator 19 is provided on one side of the support leg 3 to display the device's operating data, so that personnel can operate and control the device through the display operator 19.

[0038] Specifically, a temperature sensor 27 is provided at the front end of the column 15, and a humidity sensor 28 is provided below the temperature sensor 27.

[0039] To solve the problem of internal temperature and humidity detection, such as Figure 1 As shown, a temperature sensor 27 is installed at the front end of the column 15 to detect the internal temperature of the box 17. A humidity sensor 28 is installed below the temperature sensor 27 to detect the internal humidity of the box 17. By measuring different temperatures and humidity levels, the sealing performance of the sealing ring 5 under different environments is tested.

[0040] Specifically, the front end of the housing 17 is hinged to a door panel 18, and the middle part of the door panel 18 is transparent glass.

[0041] To address the issue of facilitating personnel observation of the internal situation, such as Figure 1 As shown, a door panel 18 is hinged to the front end of the box 17, which closes the box 17 to the outside. The middle part of the door panel 18 is transparent glass, which allows people to observe the internal situation.

[0042] Specifically, a handle 16 is fixed to one side of the door panel 18 by bolts.

[0043] To solve the problem of making it easier for people to open and close the door panels, such as Figure 1 As shown, a handle 16 is fixed on one side of the door panel 18 to facilitate the opening and closing of the interior.

[0044] The detailed description of known functions and components is omitted in this disclosure. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of commercially available instruments.

[0045] In summary, the working principle and usage process of this utility model are as follows: An air pump assembly 22 is installed at the upper end of the first base 1 for pumping air out of the sealing cover. A solenoid valve 23 is installed at the upper end of the air pump assembly 22 for controlling the inlet and outlet of gas. A pressure sensor 21 is installed on one side of the pipe at the upper end of the solenoid valve 23 for detecting changes in internal pressure. The sealing performance of the sealing ring 5 is detected by detecting changes in pressure. The upper part of the pressure sensor 21 is connected to the first sealing cover 4 via a pipe for installing the sealing ring 5. The sealing ring 5 is installed at the upper end of the first sealing cover 4. A second base 20 is fixed at the upper end of the first base 1 for installing the column 15. A column 15 is fixed at the upper end of the second base 20 for installing and fixing the first bracket 10. The columns 15 are connected to the first sealing cover 4 via pipes on both sides. A bracket 10 is fixed with a slide rail 8, providing a sliding track for the movement of other devices. Second brackets 11 are fixed on both sides of the column 15 for mounting motors 13. A second fixing block 12 is fixed to one side of the second bracket 11, providing driving force for the rotation of the screw 9. A screw 9 is driven at the bottom of the motor 13, and several first fixing blocks 7 are threaded onto the screw 9. A second sealing cover 6 is fixed to one side of each first fixing block 7. Rotation of the screw 9 drives the first fixing blocks 7 to move up and down, thereby moving the second sealing cover 6 up and down. After the sealing ring 5 is placed, the position of the second sealing cover 6 is adjusted so that it merges with the first sealing cover 4. Air is continuously pumped out by the air pump assembly 22. After pumping is complete, the solenoid valve 23 is closed. After a certain period of time, the sealing performance of the sealing ring 5 is detected by the air pressure sensor 21. A support leg 3 is fixed to the upper end of the first base 1 for mounting the housing 17. The housing 17 is mounted on the upper end of the support leg 3 for mounting the humidifier assembly 14. The humidifier assembly 14 is mounted on the upper end of the housing 17. The humidifier assembly 14 uses a commonly used humidifier device on the market. The humidifier assembly 14 is connected to a nozzle 24 via a pipe. The nozzle 24 is located at the top inside the housing 17 and is used to humidify the inside of the housing 17, thus changing the humidity inside the housing 17. Heating blocks 26 are fixed on both sides inside the housing 17 to change the temperature inside the housing 17. A light 25 is fixed to the upper end of the housing 17 for internal lighting. Supplemental lighting is provided when necessary. A controller 2 is installed on the upper end of the first base 1. The controller 2 is electrically connected to and controls other electrical devices. A display operator 19 is installed on one side of the support leg 3 to display the device's operating data, allowing personnel to operate and control the device through the display operator 19. A temperature sensor 27 is installed at the front end of the column 15 to detect the internal temperature of the box 17. A humidity sensor 28 is installed below the temperature sensor 27 to detect the internal humidity of the box 17. The sealing performance of the sealing ring 5 under different environments is tested by different temperatures and humidity levels. A door panel 18 is hinged to the front end of the box 17 to seal the box 17 from the outside. The middle of the door panel 18 is made of transparent glass, allowing personnel to observe the internal conditions.

[0046] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the tightness of a rubber seal comprising a first base (1), characterized in that: The first base (1) upper end is provided with air pump assembly (22), the air pump assembly (22) upper end is provided with electromagnetic valve (23), the electromagnetic valve (23) upper end pipeline one side is provided with air pressure sensor (21), the air pressure sensor (21) upper portion is connected with first sealing cover (4) through pipeline, the first sealing cover (4) upper end is provided with sealing ring (5), the first base (1) upper end is fixed with second base (20), the second base (20) upper end is fixed with stand (15), the stand (15) both sides are fixed with slide rail (8) through first support (10), the stand (15) both sides are fixed with second support (11), one side of the second support (11) is fixed with motor (13) through second fixed block (12), the motor (13) bottom drive is provided with screw rod (9), the screw rod (9) is provided with a plurality of first fixed blocks (7) in screw, one side of the first fixed block (7) is fixed with second sealing cover (6), the slide rail (8) is located first fixed block (7).

2. The rubber tightness detection device according to claim 1, characterized in that: The first base (1) upper end is fixed with support leg (3), the support leg (3) upper end is provided with box (17), the box (17) upper end is provided with humidifier assembly (14), the humidifier assembly (14) is connected with spray head (24) through pipeline, the spray head (24) is located in the inside top of box (17).

3. The rubber tightness detection device according to claim 2, characterized in that: The box (17) inside both sides are fixed with electric heating block (26).

4. The rubber tightness detection device according to claim 3, characterized in that: The box (17) upper end is fixed with illuminating lamp (25).

5. The rubber tightness detection device according to claim 4, characterized in that: The first base (1) upper end is provided with controller (2), the controller (2) and other electric device electrically connected, one side of the support leg (3) is provided with display operator (19).

6. The rubber tightness detection device according to claim 5, characterized in that: The stand (15) front end is provided with temperature sensor (27), the temperature sensor (27) lower portion is provided with humidity sensor (28).

7. The rubber sealability detection device according to claim 6, characterized in that: The box (17) front end is hinged with door plate (18), the door plate (18) middle part is transparent glass.

8. The rubber sealability detection device according to claim 7, characterized in that: One side of the door plate (18) is fixed with handle (16) through bolt.

Citation Information

Patent Citations

  • Simple detection device for sealing performance of rubber sealing ring

    CN209342299U