Padlock air tightness detection equipment

By designing a padlock airtightness testing device with a split upper and lower fixture structure and a sealing ring to fill the gaps, the problems of low testing efficiency and low accuracy in the existing technology have been solved, and efficient and reliable padlock airtightness testing has been achieved.

CN223841386UActive Publication Date: 2026-01-27ZHONGSHAN YIDA INTELLIGENT EQUIPMENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520582683.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-29
Publication Date
2026-01-27
Estimated Expiration
2035-03-29

AI Technical Summary

Technical Problem

Existing padlock airtightness testing methods suffer from low efficiency, low accuracy, and unreasonable equipment design, resulting in poor reliability of test results.

Method used

A padlock airtightness testing device was designed, which adopts a split structure of upper and lower fixtures. The test chamber is opened and closed quickly through a lifting mechanism, and a sealing ring is used to fill the gap to form a sealed test chamber. Combined with an air pump to regulate air pressure and a display screen for monitoring, accurate testing can be achieved.

Benefits of technology

It improves detection accuracy and efficiency, adapts to padlocks of different sizes, reduces the frequency of fixture replacement, and ensures the reliability of detection results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to padlock air tightness detection equipment, which comprises an operation platform, a support frame, a lower jig, a lifting mechanism and an upper jig, wherein the support frame and the lower jig are arranged on the operation platform; the lifting mechanism is arranged on the support frame; the lower jig is provided with a lower cavity and a sealing ring arranged on the periphery of an opening of the lower cavity, and the sealing ring protrudes out of the top face of the lower jig. The upper jig is provided with an upper cavity, and the lifting mechanism drives the upper jig to move up and down to a standby position and a working position. According to the padlock air tightness detection device provided by the utility model, the upper jig compresses the sealing ring to fill the gap when the upper jig is pressed down to form a closed test cavity, so that the air tightness detection precision is improved; the split structure of the upper jig and the lower jig can quickly complete opening and closing of the test cavity, the detection efficiency is remarkably improved, meanwhile, the flexible adaptability of the test cavity can be compatible with padlocks of different sizes, and the jig replacement frequency is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of airtightness testing technology, and in particular to an airtightness testing device for padlocks. Background Technology

[0002] Current padlocks, especially electronic padlocks, require airtightness testing. Traditional airtightness testing often involves manual methods, such as immersing the padlock in water and observing the escape of air bubbles. However, this method is inefficient, relies on human experience, and suffers from low accuracy and the inability to quantify data. While some devices use pressure sensors to detect leaks, they lack optimized sealing structures, resulting in insufficient pressure stability within the test chamber and low reliability of the test results. Therefore, there is an urgent need for a highly integrated padlock airtightness testing device that can accurately align, self-seal, and is highly efficient. Utility Model Content

[0003] To address the aforementioned issues, this technical solution provides a padlock airtightness testing device.

[0004] To achieve the above objectives, the technical solution is as follows:

[0005] A padlock airtightness testing device, including

[0006] An operating platform, a support frame and a lower fixture mounted on the operating platform, a lifting mechanism mounted on the support frame, and an upper fixture mounted on the lifting mechanism;

[0007] The lower fixture has a lower cavity and a sealing ring around the opening of the lower cavity, the sealing ring protruding from the top surface of the lower fixture;

[0008] The upper fixture has an upper cavity. The lifting mechanism drives the upper fixture to move up and down to the standby position and the working position. When the upper fixture is in the working position, it presses down on the lower fixture so that the upper cavity and the lower cavity form a test cavity to accommodate the padlock, and the sealing ring fills the gap between the upper fixture and the lower fixture.

[0009] As described above, the padlock airtightness testing device includes a support frame comprising a support platform, a sliding sleeve on the support frame, a sliding rod that slides in cooperation with the sliding sleeve, a lifting seat on the end of the sliding rod, an upper fixture on the lifting seat, and an output end of the lifting mechanism connected to the lifting seat.

[0010] As described above, the padlock airtightness testing device further includes a side frame and a transparent baffle on the side frame. When the upper fixture is in the standby position, a gap is formed between the lifting seat and the support platform, and the transparent baffle is used to seal the gap.

[0011] As described above, in a padlock airtightness testing device, the lifting base extends to the inner sides of the two side frames on both sides.

[0012] As described above, a padlock airtightness testing device has two spaced-apart upper cavities on the upper fixture and two spaced-apart lower cavities on the lower fixture to form two test chambers.

[0013] The padlock airtightness testing device described above also includes a control box, which contains an air pump that is connected to the upper cavity or the lower cavity.

[0014] As described above, the padlock airtightness testing device includes a control box equipped with a display screen, a pressure regulating valve for adjusting the air pressure inside the test chamber, a pressure gauge for displaying the pressure inside the test chamber, and a start button, a reset button, and a stop button.

[0015] As described above, in a padlock airtightness testing device, the lower cavity is for the padlock to be placed upside down, and the lower cavity is provided with a limiting part to limit the locking bar of the padlock.

[0016] As described above, in a padlock airtightness testing device, the top surface of the lower fixture is recessed with a groove, and the lower side of the sealing ring is protruding with a buckle, the buckle engaging with the groove.

[0017] As described above, in a padlock airtightness testing device, the top surface of the sealing ring is provided with an upper groove spaced apart, and the bottom surface is provided with a lower groove, the lower groove being connected to the inner and outer sides of the sealing ring.

[0018] The beneficial effects of this application are:

[0019] This utility model provides a padlock airtightness testing device. When the upper fixture is pressed down, it compresses the sealing ring to fill the gap, forming a sealed test chamber and improving the airtightness testing accuracy. The split structure of the upper and lower fixtures can quickly open and close the test chamber, significantly improving the testing efficiency. At the same time, the flexible adaptability of the test chamber can be compatible with padlocks of different sizes, reducing the frequency of fixture replacement. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0021] Figure 1 This is a front view of the present invention;

[0022] Figure 2 This is a half-sectional view of the lower fixture;

[0023] Figure 3 yes Figure 2 Enlarged view of point A. Detailed Implementation

[0024] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] A padlock airtightness testing device, including

[0026] The operating platform 1 includes a support frame 12 and a lower fixture 13 mounted on the operating platform 1, a lifting mechanism 14 mounted on the support frame 12, and an upper fixture 15 mounted on the lifting mechanism 14.

[0027] The lower fixture 13 is provided with a lower cavity 131 and a sealing ring 16 disposed around the opening of the lower cavity 131. The sealing ring 16 protrudes from the top surface of the lower fixture 13.

[0028] The upper fixture 15 is provided with an upper cavity 151. The lifting mechanism 14 drives the upper fixture 15 to move up and down to the standby position and the working position. When the upper fixture 15 is in the working position, it presses down on the lower fixture 13 so that the upper cavity 151 and the lower cavity 131 form a test cavity 17 to accommodate the padlock 3, and the sealing ring 16 fills the gap between the upper fixture 15 and the lower fixture 13.

[0029] This utility model provides a padlock airtightness testing device. When the upper fixture is pressed down, it compresses the sealing ring to fill the gap, forming a sealed test chamber and improving the airtightness testing accuracy. The split structure of the upper and lower fixtures can quickly open and close the test chamber, significantly improving the testing efficiency. At the same time, the flexible adaptability of the test chamber can be compatible with padlocks of different sizes, reducing the frequency of fixture replacement.

[0030] Furthermore, as a preferred embodiment of this solution and not a limitation thereof: the support frame 12 includes a support platform 121, a sliding sleeve 122 provided on the support frame 12, a sliding rod 123 that slides in cooperation with the sliding sleeve 122, a lifting seat 124 provided at the end of the sliding rod 123, an upper fixture 15 provided on the lifting seat 124, and the output end of the lifting mechanism 14 connected to the lifting seat 124. This improves the stability of the lifting process.

[0031] Furthermore, as a preferred embodiment of this solution and not a limitation, the support frame 12 further includes a side frame 125 and a transparent baffle 126 disposed on the side frame 125. When the upper fixture 15 is in the standby position, a gap 127 is formed between the lifting seat 124 and the support platform 121, and the transparent baffle 126 is used to seal the gap 127 to avoid safety accidents such as hand pinching.

[0032] Furthermore, as a preferred embodiment of this solution and not a limitation, the lifting seat 124 extends to the inner sides of the two side frames 125 on both sides. This improves stability while preventing gaps between them, which could lead to safety accidents.

[0033] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, the upper fixture 15 is provided with two spaced-apart upper cavities 151, and the lower fixture 13 is provided with two spaced-apart lower cavities 131 to form two test cavities 17.

[0034] Furthermore, as a preferred embodiment of this solution and not a limitation, it also includes a control box 2, which is equipped with an air pump and is connected to the upper cavity 151 or the lower cavity 131.

[0035] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, the control box 2 is provided with a display screen 21, a pressure regulating valve 22 for adjusting the air pressure in the test chamber 17, a pressure gauge 23 for displaying the pressure in the test chamber 17, and a start button 24, a reset button 25 and a stop button 26.

[0036] Furthermore, as a preferred embodiment of this solution and not a limitation, the lower cavity 131 is for inserting the padlock upside down, and the lower cavity 131 is provided with a limiting part 132 to limit the locking bar of the padlock. By adopting the upside-down method, the locking bar is supported, preventing other parts of the lock body from contacting the inner wall of the test cavity, which could block the keyhole and other parts, affecting the test accuracy.

[0037] Furthermore, as a preferred embodiment of this solution and not a limitation, the lower fixture 13 has a recessed groove 133 on its top surface, and the sealing ring 16 has a protruding buckle 161 on its lower side, the buckle 161 engaging with the groove 133. The sealing ring is removable and replaceable.

[0038] Furthermore, as a preferred embodiment of this solution and not a limitation, the sealing ring 16 has an upper groove 162 spaced apart on its top surface and a lower groove 163 on its bottom surface, the lower groove 163 communicating with the inner and outer sides of the sealing ring 16. The upper and lower grooves correspond vertically, providing clearance space during compression.

[0039] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, the upper groove and the lower groove are staggered vertically.

[0040] The above description is only a preferred embodiment of this application and is not intended to limit the scope of implementation of this application. Any other embodiments whose principles and basic structures are the same as or similar to those of this application are within the protection scope of this application.

Claims

1. A padlock airtightness testing device, characterized in that: include The operating platform (1), the support frame (12) and the lower fixture (13) provided on the operating platform (1), the lifting mechanism (14) provided on the support frame (12), and the upper fixture (15) provided on the lifting mechanism (14); The lower fixture (13) is provided with a lower cavity (131) and a sealing ring (16) provided around the opening of the lower cavity (131), the sealing ring (16) protruding from the top surface of the lower fixture (13); The upper fixture (15) is provided with an upper cavity (151). The lifting mechanism (14) drives the upper fixture (15) to move up and down to the standby position and the working position. When the upper fixture (15) is in the working position, it presses down on the lower fixture (13) so that the upper cavity (151) and the lower cavity (131) form a test cavity to accommodate the padlock, and the sealing ring (16) fills the gap between the upper fixture (15) and the lower fixture (13).

2. The padlock airtightness testing device according to claim 1, characterized in that: The support frame (12) includes a support platform (121), a sliding sleeve (122) is provided on the support frame (12), a sliding rod (123) that slides in cooperation with the sliding sleeve (122), a lifting seat (124) provided on the end of the sliding rod (123), an upper fixture (15) is provided on the lifting seat (124), and the output end of the lifting mechanism (14) is connected to the lifting seat (124).

3. The padlock airtightness testing device according to claim 2, characterized in that: The support frame (12) also includes a side frame (125) and a transparent baffle (126) disposed on the side frame (125). When the upper fixture (15) is in the standby position, a gap (127) is formed between the lifting seat (124) and the support platform (121), and the transparent baffle (126) is used to seal the gap (127).

4. The padlock airtightness testing device according to claim 3, characterized in that: The lifting seat (124) extends to the inner sides of the two side frames (125) on both sides respectively.

5. The padlock airtightness testing device according to claim 1, characterized in that: The upper fixture (15) has two spaced upper cavities (151), and the lower fixture (13) has two spaced lower cavities (131) to form two test cavities.

6. The padlock airtightness testing device according to claim 5, characterized in that: It also includes a control box (2), which is equipped with an air pump and is connected to the upper cavity (151) or the lower cavity (131).

7. The padlock airtightness testing device according to claim 6, characterized in that: The control box (2) is equipped with a display screen (21), a pressure regulating valve (22) for adjusting the air pressure in the test chamber, a pressure gauge (23) for displaying the pressure in the test chamber, and a start button (24), a reset button (25) and a stop button (26).

8. The padlock airtightness testing device according to claim 1, characterized in that: The lower cavity (131) is for inserting the padlock upside down, and the lower cavity (131) is provided with a limiting part (132) for limiting the locking bar of the padlock.

9. The padlock airtightness testing device according to claim 1, characterized in that: The lower fixture (13) has a recessed groove (133) on its top surface, and the sealing ring (16) has a protruding buckle (161) on its lower side, which engages with the groove (133).

10. The padlock airtightness testing device according to claim 9, characterized in that: The sealing ring (16) has an upper groove (162) spaced apart on its top surface and a lower groove (163) on its bottom surface. The lower groove (163) communicates with the inner and outer sides of the sealing ring (16).