Civil air defense door air tightness detection device

By designing an airtightness testing device with control components and elimination parts, the problem of bubble interference was solved, achieving high efficiency and accuracy in airtightness testing of air-raid shelter doors and simplifying the operation process.

CN223691962UActive Publication Date: 2025-12-19SHAANXI XINGYANG CIVIL AIR DEFENSE EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520184276.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2025-12-19
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

In the existing technology, the airtightness testing of air-raid shelter doors is complicated and time-consuming due to the interference of air bubbles, which affects the testing efficiency and accuracy.

Method used

An airtightness testing device for air-raid shelter doors was designed, comprising control components and an air-blocking component. The device eliminates air bubbles through the rotation and vibration of a disc, and is combined with a motor-driven lifting mechanism for the placement plate, reducing manual operation and improving testing efficiency and accuracy.

Benefits of technology

It effectively eliminates bubble interference, improves the accuracy and efficiency of detection, reduces the intensity of manual operation, and simplifies the detection process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of civil air defense door air tightness detection, and discloses a civil air defense door air tightness detection device which comprises a detection pool and a placing plate, the bottom of the detection pool is fixedly installed on the surface of a supporting seat, and the surface of the supporting seat is fixedly provided with a fixing column. By arranging a control assembly, when the tangent plane of a supporting rod is abutted against an arc plate, a movable block fixed to the surface of the supporting rod is stressed to transversely move in a flat rod, when the movable block moves, a sliding block fixed to the surface of the movable block can slide in an arc groove formed in the surface of a round rod, and the round rod can drive a disc to rotate on the surface of a cylinder; in the rotating process of the disc, the surface of the detection pool can be continuously knocked through the convex blocks, and vibration generated by knocking the surface of the detection pool can promote bubbles to escape from water more quickly and break, so that interference of the bubbles on a detection result is reduced, and the influence of bubble stagnation on the detection accuracy is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of civil air defence door air tightness detection, specifically to civil air defence door air tightness detection device. BACKGROUND

[0002] Civil air defence door is the door of the entrance and exit of people's air defence engineering, and civil air defence door is classified as ordinary single and double-leaf protective airtight door and airtight door, movable threshold single and double-leaf protective airtight door and airtight door and many other civil air defence equipment, and the civil air defence door is an important component of the air defence engineering, and the air tightness of the civil air defence door is particularly important, so that the detection device needs to be used to detect the air tightness of the civil air defence door.

[0003] According to the civil air defence door air tightness detection device (announcement number: CN217059208U) disclosed, when the civil air defence door is placed in the water immersion pool, the placement of the civil air defence door may generate some bubbles in the water immersion pool, the generation of the bubbles may interfere with the observation and judgment of the detection personnel on the bubbles generated by the air leakage of the civil air defence door, and since the bubbles need to be dispersed or carefully distinguished, the detection process becomes complicated and time-consuming, and the detection personnel may need to spend more time to determine whether the civil air defence door has the air leakage problem, thereby reducing the detection efficiency. In view of the problem, the civil air defence door air tightness detection device is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a civil air defence door air tightness detection device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a civil air defence door air tightness detection device, which comprises a detection pool and a placing plate, the surface of a support seat is fixedly installed at the bottom of the detection pool, the surface of the support seat is fixedly installed with a fixed column, the detection pool and the fixed column are provided with a control assembly for eliminating bubbles, the control assembly comprises: a disc, the surface of the disc is hinged to the surface of a protrusion, the surface of the protrusion is fixedly connected to one side of a torsional spring, the other side of the torsional spring is fixedly installed on the surface of the disc, the surface of the disc is fixedly installed with a round rod, the round rod penetrates through a cylinder and is rotationally connected with the cylinder, and the cylinder is fixedly installed on the surface of the detection pool, so as to reduce the interference of the bubbles on the detection result and avoid the influence of the bubbles on the accuracy of the detection.

[0006] Preferably, the control assembly further comprises an eliminating member, and the eliminating member comprises: an arc-shaped groove, which is formed in the surface of the round rod and is in sliding connection with a sliding block, and when the sliding block slides in the arc-shaped groove, the round rod can rotate.

[0007] Preferably, the top of the sliding block is fixedly installed on the surface of the moving block, the moving block is penetrated by the flat rod and is in sliding connection with the flat rod, the flat rod is fixedly installed on the inner wall of the cylinder, and the moving block can drive the sliding block to move transversely along the surface of the flat rod when the moving block is subjected to force.

[0008] Preferably, one end of the spring is fixedly connected with the surface of the moving block, and the other end of the spring is fixedly installed on the surface of the flat rod, and the moving block can pop up under the support of the spring when the moving block is no longer subjected to force.

[0009] Preferably, the top of the moving block is fixedly installed with the support rod, and the cross section of the support rod is in trapezoidal shape, and the support rod in trapezoidal cross section can move transversely when subjected to longitudinal resistance.

[0010] Preferably, the surface of the placing plate is fixedly installed with the connecting plate, the bottom of the connecting plate is fixedly installed with the arc plate, the surface of the arc plate is fixedly installed with the sliding plate, the sliding plate is penetrated by the fixed column and is in sliding connection with the fixed column, the inner wall of the fixed column is fixedly installed with the vertical rod, the vertical rod is penetrated by the sliding plate and is in sliding connection with the sliding plate, and the arc plate fixed on the surface of the sliding plate can drive the placing plate to move longitudinally through the connecting plate when the sliding plate moves.

[0011] Preferably, the sliding plate is penetrated by the threaded rod and is in threaded connection with the threaded rod, the threaded rod is penetrated by the fixed column and is in rotating connection with the fixed column, the top of the fixed column is fixedly installed with the motor, the output shaft of the motor is fixedly connected with the surface of the threaded rod, and the sliding plate can move longitudinally in the fixed column when the output shaft of the motor drives the threaded rod to rotate.

[0012] Compared with the prior art, the air tightness detection device for civil air defense doors has the following beneficial effects:

[0013] 1. The air tightness detection device for civil air defense doors is provided with the control assembly, the cross section of the support rod is resisted by the arc plate, the moving block fixed on the surface of the support rod moves transversely in the flat rod, the sliding block fixed on the surface of the moving block can slide in the arc-shaped groove formed in the surface of the round rod when the moving block moves, the round rod can drive the disc to rotate on the surface of the cylinder, the disc can continuously knock the surface of the detection pool through the convex block in the rotating process, the vibration generated by knocking the surface of the detection pool can make the bubbles escape and break more quickly, thereby reducing the interference of the bubbles on the detection result and avoiding the influence of the bubbles on the accuracy of the detection.

[0014] 2、The air tightness detection device of the civil defense door, through the setting of the eliminating element, when the output shaft of the motor drives the threaded rod to rotate in the fixed column, the sliding plate can move longitudinally on the surface of the vertical rod, the placing plate connected by the arc plate and the connecting plate on the surface of the sliding plate can be lifted in the detection pool, the lifted placing plate can facilitate the placing and taking out of the civil defense door, manual carrying detection is not needed, labor intensity is reduced, the operation process is convenient and fast, and the experimental process is time-saving and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic view of the utility model;

[0016] Figure 2 It is a top view structural schematic view of the utility model;

[0017] Figure 3 It is a front view cross section structural schematic view of the utility model;

[0018] Figure 4 It is a control assembly structural schematic view of the utility model.

[0019] In the drawing: 1, support seat; 2, detection pool; 3, fixed column; 4, placing plate; 5, control assembly; 51, disc; 52, lug; 53, torsional spring; 54, round rod; 55, cylinder; 56, eliminating element; 561, arc slot; 562, sliding block; 563, moving block; 564, flat rod; 565, spring; 566, support rod; 567, arc plate; 568, connecting plate; 569, sliding plate; 5610, vertical rod; 5611, threaded rod; 5612, motor. DETAILED DESCRIPTION

[0020] As Figures 1-4As shown, the utility model provides a technical scheme: a civil air defence door air tightness detection device, including detection pool 2 and placement plate 4, the bottom fixed mounting of detection pool 2 has the surface of support seat 1, the surface fixed mounting of support seat 1 has fixed column 3, detection pool 2 and the control assembly 5 for facilitating bubble elimination are arranged in fixed column 3, control assembly 5 includes: disc 51, the surface of disc 51 is hinged with the surface of lug 52, the surface of lug 52 is fixedly connected with the one side of torsion spring 53, the other side of torsion spring 53 is fixedly installed on the surface of disc 51, the surface of disc 51 is fixedly installed with round bar 54, round bar 54 passes through cylinder 55 and is rotationally connected with cylinder 55, cylinder 55 is fixedly installed on the surface of detection pool 2, the slider 562 fixed on the surface of moving block 563 can slide in the arc slot 561 on the surface of round bar 54, then round bar 54 can drive disc 51 to rotate on the surface of cylinder 55, disc 51 can be continuously knocked on the surface of detection pool 2 in the process of rotation by lug 52, and the vibration produced by knocking the surface of detection pool 2 can make bubble escape, break faster from water, thereby reducing the interference of bubble to detection result, avoid the influence of bubble stagnation on the accuracy of detection.

[0021] The control assembly 5 further comprises an eliminating element 56, which comprises an arc-shaped groove 561 formed on the surface of the round rod 54, the arc-shaped groove 561 being in sliding connection with a sliding block 562, and when the sliding block 562 slides in the arc-shaped groove 561, the round rod 54 can rotate. The top of the sliding block 562 is fixedly installed on the surface of a moving block 563, the moving block 563 is penetrated by a flat rod 564 and in sliding connection with the flat rod 564, the flat rod 564 is fixedly installed on the inner wall of the cylinder 55, and when the moving block 563 is stressed, it can drive the sliding block 562 to move transversely along the surface of the flat rod 564. The surface of the moving block 563 is fixedly connected with one end of a spring 565, and the other end of the spring 565 is fixedly installed on the surface of the flat rod 564, and when the moving block 563 is no longer stressed, it can pop up under the support of the spring 565. The top of the moving block 563 is fixedly installed with a support rod 566, the cross section of the support rod 566 is trapezoidal, and the support rod 566 with the trapezoidal cross section can move transversely when subjected to longitudinal resistance. The surface of the placing plate 4 is fixedly installed with a connecting plate 568, the bottom of the connecting plate 568 is fixedly installed with an arc plate 567, the surface of the arc plate 567 is fixedly installed with a sliding plate 569, the sliding plate 569 penetrates through the fixed column 3 and is in sliding connection with the fixed column 3, the inner wall of the fixed column 3 is fixedly installed with a vertical rod 5610, the vertical rod 5610 penetrates through the sliding plate 569 and is in sliding connection with the sliding plate 569, and when the sliding plate 569 moves, the arc plate 567 fixedly installed on the surface of the sliding plate 569 can drive the placing plate 4 to lift longitudinally through the connecting plate 568. The sliding plate 569 is penetrated by a threaded rod 5611 and is in threaded connection with the threaded rod 5611, the threaded rod 5611 penetrates through the fixed column 3 and is in rotational connection with the fixed column 3, the top of the fixed column 3 is fixedly installed with a motor 5612, the output shaft of the motor 5612 is fixedly connected with the surface of the threaded rod 5611, and when the output shaft of the motor 5612 drives the threaded rod 5611 to rotate, the sliding plate 569 can move longitudinally in the fixed column 3.

[0022] In the utility model, when using, the civil air defense door to be detected is placed on the surface of the placing plate 4, after placing, the motor 5612 at the top of the fixed column 3 is started, the output shaft of the motor 5612 drives the threaded rod 5611 to carry out circumferential motion in the fixed column 3, and when the threaded rod 5611 rotates, the sliding plate 569 can move longitudinally along the surface of the vertical rod 5610, and when the sliding plate 569 moves, the placing plate 4 connected by the arc plate 567 and the connecting plate 568 on the surface of the sliding plate 569 can move synchronously in the detection pool 2, when the placing plate 4 drives the civil air defense door to enter the water in the detection pool 2 constantly, the water in the detection pool 2 is pressurized and a certain bubble is generated, when the placing plate 4 and the civil air defense door enter the detection pool 2 completely, the arc plate 567 will abut against the tangent plane of the supporting rod 566, when the tangent plane of the supporting rod 566 is abutted by the arc plate 567, the moving block 563 fixed on the surface of the supporting rod 566 will be stressed to move horizontally in the horizontal rod 564, when the moving block 563 moves, the sliding block 562 fixed on the surface of the moving block 563 can slide in the arc-shaped groove 561 on the surface of the circular rod 54, then the circular rod 54 can drive the disc 51 to rotate on the surface of the cylinder 55, in the process of rotating, the disc 51 can knock the surface of the detection pool 2 constantly through the lug 52, the vibration generated by knocking the surface of the detection pool 2 can make the bubble escape and break from the water faster, thereby reducing the interference of the bubble on the detection result, avoiding the influence of the bubble stagnation on the accuracy of detection, after the bubble is eliminated, the operator stands beside the detection pool 2 and observes the static water surface to see whether there is bubble lifting, so as to judge the air tightness of the civil air defense door, after the detection is finished, the motor 5612 is reversed, then the placing plate 4 can be lifted from the detection pool 2, the lifting placing plate 4 can be convenient for the placing and taking out of the civil air defense door, manual carrying detection is not needed, the labor intensity is reduced, the operation process is convenient and fast, and the experimental process is time-saving and labor-saving.

[0023] The above has made detailed description to the utility model, but on the basis of the utility model, some modifications or improvements can be made, which is obvious to the general skilled person in the technical field. Therefore, the modifications or improvements without departing from the spirit and principles of the utility model are within the protection scope of the utility model.

Claims

1. A human defense door air tightness detection device, comprising a detection pool (2) and a placement plate (4), characterized in that: The bottom of the detection pool (2) is fixedly installed on the surface of the supporting base (1), the surface of the supporting base (1) is fixedly installed with the fixed column (3), the detection pool (2) and the fixed column (3) are provided with the control assembly (5) which is convenient for eliminating bubbles, the control assembly (5) comprises: the disc (51), the surface of the disc (51) is hinged with the surface of the lug (52), the surface of the lug (52) is fixedly connected with one side of the torsional spring (53), the other side of the torsional spring (53) is fixedly installed on the surface of the disc (51), the surface of the disc (51) is fixedly installed with the round rod (54), the round rod (54) penetrates through the cylinder (55) and is rotationally connected with the cylinder (55), and the cylinder (55) is fixedly installed on the surface of the detection pool (2).

2. The air tightness detection device for civil air defense doors according to claim 1, characterized in that: The control assembly (5) further comprises an eliminating piece (56), and the eliminating piece (56) comprises: the arc-shaped groove (561) formed in the surface of the round rod (54), and the arc-shaped groove (561) is slidingly connected with the sliding block (562).

3. The air tightness detection device for civil air defense doors according to claim 2, characterized in that: The top of the sliding block (562) is fixedly installed on the surface of the moving block (563), the moving block (563) is penetrated through by the flat rod (564) and is slidingly connected with the flat rod (564), and the flat rod (564) is fixedly installed on the inner wall of the cylinder (55).

4. The air tightness detection device for civil air defense doors according to claim 3, characterized in that: One end of the spring (565) is fixedly connected with the surface of the moving block (563), and the other end of the spring (565) is fixedly installed on the surface of the flat rod (564).

5. The air tightness detection device for civil air defense doors according to claim 3, characterized in that: The top of the moving block (563) is fixedly installed with the supporting rod (566), and the cross section of the supporting rod (566) is in the shape of a trapezoid.

6. The air tightness detection device for civil air defense doors according to claim 1, characterized in that: The surface of the placing plate (4) is fixedly installed with the connecting plate (568), the bottom of the connecting plate (568) is fixedly installed with the arc plate (567), the surface of the arc plate (567) is fixedly installed with the sliding plate (569), the sliding plate (569) penetrates through the fixed column (3) and is slidingly connected with the fixed column (3), the inner wall of the fixed column (3) is fixedly installed with the vertical rod (5610), the vertical rod (5610) penetrates through the sliding plate (569) and is slidingly connected with the sliding plate (569).

7. The air tightness detection device for civil air defense doors according to claim 6, characterized in that: The sliding plate (569) is penetrated through by the threaded rod (5611) and is threadedly connected with the threaded rod (5611), the threaded rod (5611) penetrates through the fixed column (3) and is rotationally connected with the fixed column (3), the top of the fixed column (3) is fixedly installed with the motor (5612), and the output shaft of the motor (5612) is fixedly connected with the surface of the threaded rod (5611).

Citation Information

Patent Citations

  • Civil air defense door air tightness detection device

    CN217059208U