Multi-pipe air leakage detection tool

Abstract

The utility model relates to the technical field of automobile pipeline detection, and provides a multi-pipe air leakage detection tool which comprises an installation seat, a sliding rail is arranged on the installation seat, a plurality of bidirectional linear drivers are connected to the sliding rail in a sliding mode, and the two ends of each bidirectional linear driver are both rotationally connected with sealing plugs used for being connected with the end portions of pipe fittings in a sealing mode. The sealing plug is communicated with an air source, the two-way linear drivers are connected to the sliding rail in a sliding mode, the sealing ends are rotationally connected to the two ends of the two-way linear drivers, air tightness detection of multiple pipe fittings is flexibly achieved at the same time, and the detection efficiency and flexibility are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile pipeline detection, in particular to a multi-tube air leakage detection tool. Background Art

[0002] Aluminum alloy tubes are commonly used parts in automobiles, and their use environment has very high requirements for sealing. Therefore, it is necessary to perform air tightness testing on aluminum alloy tubes to ensure their sealing performance. The existing technology usually uses two plugs to seal the two ends of the pipe to be tested, places it in water, and ventilates the pipe from one end of the plug for testing. However, currently only one pipe can be tested each time, and the detection efficiency is low. Utility Model Content

[0003] The utility model aims to provide a multi-tube air leakage detection tool to solve the above technical problems and improve the detection efficiency and flexibility.

[0004] The embodiment of the utility model is realized through the following technical scheme: a multi-tube air leakage detection tooling, including a mounting seat, a slide rail is provided on the mounting seat, a plurality of bidirectional linear drivers are slidably connected to the slide rail, and both ends of the bidirectional linear driver are rotatably connected with sealing plugs for sealing the ends of the connecting pipe fittings, and the sealing plugs are connected to an air source.

[0005] Furthermore, the sealing plug comprises an outer tube and an inner tube which are coaxially arranged, and sealing rings which are tightly pressed against the pipe fitting are provided on the inner wall of the outer tube and the outer wall of the inner tube.

[0006] Preferably, one end of the outer tube is fully connected to the outer wall of the inner tube, and the other end is provided with a plug-in groove for plugging in the tube fitting.

[0007] Preferably, the inner tube is coaxially provided with a through hole, and the through hole is connected to the gas source.

[0008] Furthermore, an extension rod is connected between the bidirectional linear drive and the sealing plug, one end of the extension rod is bolted to one end of the linear drive, and the other end is bolted to the sealing plug.

[0009] Furthermore, a strap for tightening the pipe is provided on the mounting seat.

[0010] Furthermore, a sliding block is provided on the bidirectional linear drive, and the sliding block cooperates with the slide rail in a sliding limit position.

[0011] Furthermore, the gas source is connected with an on-off valve.

[0012] The utility model has at least the following advantages and beneficial effects: through a plurality of bidirectional linear drivers connected by sliding on a slide rail and rotating and connecting sealing ends at both ends, air tightness detection of multiple pipes can be flexibly realized at the same time, thereby improving detection efficiency and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 A cross-sectional view of a multi-tube air leakage detection tool provided by the utility model;

[0015] Figure 2 A bottom view of a multi-tube air leakage detection tool provided by the utility model;

[0016] Figure 3 A side cross-sectional view of a multi-tube air leakage detection tool provided by the utility model;

[0017] Icons: 1-mounting seat, 10-pipe fitting, 11-slide rail, 2-bidirectional linear drive, 21-slider, 3-sealing plug, 31-outer tube, 32-inner tube, 320-through hole, 33-sealing ring, 34-plug slot, 4-air source, 5-extension rod, 6-binding strap. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example

[0021] like Figure 1-3As shown, in this embodiment, a multi-tube air leakage detection tool is mainly disclosed, which is suitable for simultaneously detecting the air tightness of multiple pipe fittings 10, including a mounting seat 1, a slide rail 11 is provided on the mounting seat 1, and a plurality of bidirectional linear drivers 2 are slidably connected to the slide rail 11, and both ends of the bidirectional linear driver 2 are rotatably connected with a sealing plug 3 for sealing the end of the pipe fitting 10, and the sealing plug 3 is connected to an air source 4. It should be noted that the mounting seat 1 can be installed on an existing suspension, so that the pipe fitting 10 on the side to be inspected is placed under the mounting seat 1 and completely poured into water, and the two ends of the same pipe fitting 10 can be connected to the two ends of the same bidirectional linear driver 2 at the same time, or they can be connected to different two ends of different bidirectional linear drivers 2, or they can be connected to different two-way linear drivers 2 at different ends. The two ends on the same side of the device 2 are connected respectively, and multiple straight pipes and / or anisotropic bent pipes can be detected at the same time. In addition, within the travel range of the telescopic rod of the two-way linear drive 2 and the active range of the slide rail 11 and ensuring that both ends of the pipe fitting 10 can be tightly connected to the sealing plug 3, multiple pipe fittings 10 of different lengths can also be detected. The two-way linear drive 2 can be a two-way air cylinder, a two-way oil cylinder or a two-way electric cylinder. During detection, multiple pipe fittings 10 are placed side by side, and the two ends of the pipe fitting 10 are connected to the sealing plug 3 respectively. The two-way linear drive 2 can be slid along the slide rail 11 according to the position of the pipe openings at both ends of the pipe fitting 10, and the relative positions of multiple two-way linear drives 2 can be adjusted to realize airtightness detection of different combinations of pipe fittings 10, thereby improving detection efficiency and flexibility.

[0022] Furthermore, in the specific implementation, if Figure 1 As shown, the sealing plug 3 provided in the embodiment of the utility model comprises an outer tube 31 and an inner tube 32 arranged coaxially, and sealing rings 33 which are tightly pressed against the pipe fitting 10 are provided on the inner wall of the outer tube 31 and the outer wall of the inner tube 32. Specifically, the sealing ring 33 can be made of rubber; one end of the outer tube 31 is fully connected with the outer wall of the inner tube 32, and the other end is provided with a plug-in groove 34 for plugging in the pipe fitting 10; the inner tube 32 is coaxially provided with a through hole 320, and the through hole 320 is connected with the gas source 4. The pipe fitting 10 is inserted into the plug-in groove 34 from one end of the outer tube 31 and abuts against the other end of the outer tube 31. At this time, the inner tube 32 is located inside the pipe fitting 10, and the sealing rings 33 of the outer tube 31 and the inner tube 32 are tightly pressed against the pipe wall of the pipe fitting 10 to achieve a sealed connection.

[0023] Furthermore, in the specific implementation, if Figure 1 As shown, an extension rod 5 is connected between the above-mentioned bidirectional linear drive 2 and the sealing plug 3 provided in the embodiment of the utility model. One end of the extension rod 5 is bolted to one end of the linear drive, and the other end is bolted to the sealing plug 3. The swing angle of the sealing plug 3 can be adjusted by the tightening process of the bolts. At the same time, the air tightness detection of the pipe fittings 10 with different pipe opening heights at both ends can be realized by replacing the extension rods 5 of different lengths, thereby further improving the flexibility and adaptability.

[0024] Furthermore, in the specific implementation, Figure 2 As shown, the mounting base 1 provided in the embodiment of the utility model is provided with a strap 6 for fastening the pipe 10, so that multiple pipes 10 can be fastened to the mounting base 1, thereby improving the stability of the structure.

[0025] Furthermore, in the specific implementation, Figure 1 As shown, a slider 21 is provided on the above-mentioned bidirectional linear drive 2 provided in the embodiment of the utility model, and the slider 21 is slidably limited with the slide rail 11. Specifically, the cross-section of the slider 21 can be T-shaped, and the corresponding slide groove is also T-shaped. The slider 21 is limited and clamped in the slide groove to realize sliding connection.

[0026] Furthermore, in a specific implementation, the above-mentioned gas source 4 provided in the embodiment of the utility model is connected to an on-off valve, and the on-off valve adopts the existing technology to control the connection and disconnection of the gas source 4. During the air tightness detection, the gas source 4 connected at both ends of the pipe fitting 10 is controlled to be connected by the on-off valve at one end, and to be closed by the on-off valve at the other end, so as to increase the air pressure in the pipe fitting 10 and smoothly realize the sealing detection.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-tube air leakage detection tool, characterized in that: The invention comprises a mounting seat (1), wherein a slide rail (11) is provided on the mounting seat (1), a plurality of bidirectional linear actuators (2) are slidably connected to the slide rail (11), and both ends of the bidirectional linear actuator (2) are rotatably connected to sealing plugs (3) for sealing the ends of the connecting pipes (10), and the sealing plugs (3) are connected to an air source (4).

2. A multi-tube air leakage detection tool as claimed in claim 1, characterized in that: The sealing plug (3) comprises an outer tube (31) and an inner tube (32) which are coaxially arranged, and a sealing ring (33) which is tightly pressed against the pipe fitting (10) is provided on the inner wall of the outer tube (31) and the outer wall of the inner tube (32).

3. A multi-tube air leakage detection tool as claimed in claim 2, characterized in that: One end of the outer tube (31) is fully connected to the outer wall of the inner tube (32), and the other end is provided with a plug-in groove (34) for plugging in the pipe fitting (10).

4. A multi-tube air leakage detection tool as claimed in claim 3, characterized in that: The inner tube (32) is coaxially provided with a through hole (320), and the through hole (320) is in communication with the gas source (4).

5. A multi-tube air leakage detection tool as claimed in claim 1, characterized in that: An extension rod (5) is connected between the bidirectional linear drive (2) and the sealing plug (3); one end of the extension rod (5) is bolted to one end of the linear drive, and the other end is bolted to the sealing plug (3).

6. A multi-tube air leakage detection tool as claimed in claim 1, characterized in that: The mounting seat (1) is provided with a binding belt (6) for binding the pipe (10).

7. A multi-tube air leakage detection tool as claimed in claim 1, characterized in that: The bidirectional linear drive (2) is provided with a slider (21), and the slider (21) is in sliding and limiting cooperation with the slide rail (11).

8. A multi-tube air leakage detection tool as claimed in claim 1, characterized in that: The gas source (4) is connected to an on-off valve.

Images