Rubber tube air tightness detection device

Abstract

The utility model relates to the technical field of pipe fitting air tightness detection, and provides a rubber pipe air tightness detection device, which comprises a water tank and a mounting plate, the mounting plate is used for fixing a rubber pipe body, the mounting plate is vertically arranged in the water tank, and the bottom of the water tank is provided with an elastic telescopic assembly. The bottom end of the mounting plate abuts against the upper portion of the elastic telescopic assembly. The lifting plate is located above the mounting plate, inflation plugs are arranged at the two ends of the lifting plate, the lifting plate is provided with first air pipes communicating with the inflation plugs, and the lifting plate moves downwards, so that the inflation plugs are connected into a rubber pipe body, and meanwhile the first air pipes communicate with the inflation plugs. And the mounting plate continues to move downwards to compress the elastic telescopic assembly and immerse the rubber pipe body. The rubber tube air tightness detection device is convenient for air tightness detection of the rubber tube, simple in operation and high in detection efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection of pipe fittings, in particular to an air tightness detection device for a rubber pipe. Background Art

[0002] Rubber hose refers to a pipe used for gas transportation, which is commonly used in gas welding, gas cutting, various gas shielded welding, plasma arc welding and cutting, and is also commonly used in automobile pipelines. Rubber hose has good characteristics such as high and low temperature resistance, wear resistance and stamping resistance. When the rubber hose is put into use, it is necessary to test its air tightness to prevent inferior products from entering the market. However, traditional detection devices have certain defects. When putting the rubber hose into water to observe whether there are bubbles, both ends of the pipe mouth need to be blocked first. It takes longer time to immerse the whole rubber hose in water using traditional air tightness detection devices, and the detection is more troublesome and the detection efficiency is relatively low. Utility Model Content

[0003] The utility model aims to provide a rubber tube air tightness detection device which can detect the air tightness of the rubber tube more conveniently and has higher detection efficiency.

[0004] The embodiment of the utility model is realized through the following technical scheme: a rubber tube air tightness detection device, comprising a water tank and a mounting plate, the mounting plate is used to fix the rubber tube body, the mounting plate is vertically placed in the water tank, and an elastic telescopic component is installed at the bottom of the water tank, and the bottom end of the mounting plate is abutted against the upper part of the elastic telescopic component; a lifting plate, the lifting plate is located above the mounting plate, both ends of the lifting plate are provided with an inflatable plug, and the lifting plate is installed with a first air pipe connected to the inflatable plug, and the lifting plate is moved downward so that the inflatable plug is connected to the rubber tube body, and the mounting plate continues to move downward to compress the elastic telescopic component and immerse the rubber tube body.

[0005] Preferably, the inflatable plug includes an air delivery plug and an inflatable balloon, one end of the air delivery plug is fixedly connected to the lifting plate, the inflatable balloon is wrapped around the outside of the air delivery plug, and the inflatable balloon is connected to a second air pipe, and the front end of the air delivery plug adopts a conical structure.

[0006] Preferably, a main positioning support block is installed below the mounting plate, and an auxiliary positioning support block is installed above the mounting plate.

[0007] Preferably, the main positioning support block and the auxiliary positioning support block both adopt U-shaped bayonet adapted to the shape of the pipe fitting.

[0008] Preferably, at least one sliding block is installed on the inner wall of the water tank, and sliding bars matching with the sliding block are provided on both sides of the mounting plate, and the sliding bars are slidably connected to the sliding block.

[0009] Preferably, an anti-collision limit pad is provided at the bottom end of the mounting plate.

[0010] Preferably, the elastic telescopic component includes at least two compression springs, and the two compression springs are symmetrically arranged on both sides of the mounting plate.

[0011] The technical solution of the embodiments of the utility model has at least the following advantages and beneficial effects: the utility model fixes the rubber tube to be tested on the mounting plate so that the two tube openings of the rubber tube are exposed to the water surface, and most of the tube body is pre-immersed in water. When the lifting plate moves downward, the inflatable plug can just extend into the tube opening to seal it. Further pressing down a short distance can make the entire rubber tube immersed in water. Then, inflating the rubber tube can facilitate observation of whether bubbles are generated. The operation is simple and convenient, and the detection efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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.

[0013] Figure 1 A schematic diagram of the structure before testing of a rubber tube air tightness detection device provided by an embodiment of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the rubber tube air tightness detection device during testing in the utility model;

[0015] Figure 3 It is a structural schematic diagram of the inflatable plug in the utility model;

[0016] Figure 4 It is a side view of the mounting plate in the present invention.

[0017] Icons: 1-water tank, 11-slider, 2-mounting plate, 21-main positioning support block, 22-auxiliary positioning support block, 23-anti-collision limit pad, 24-slide, 3-elastic telescopic component, 31-compression spring, 4-lifting plate, 5-inflatable plug, 51-gas transmission column, 52-inflatable balloon, 53-second air pipe, 6-first air pipe, 7-rubber tube body. 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] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] Example

[0022] The following is further described in conjunction with specific embodiments. Figure 1-Figure 4 As shown, this embodiment is a rubber tube air tightness detection device, including a water tank 1 and a mounting plate 2, the mounting plate 2 is vertically placed in the water tank 1, and an elastic telescopic component 3 is installed at the bottom of the water tank 1, and the bottom end of the mounting plate 2 is abutted against the upper part of the elastic telescopic component 3; a lifting plate 4, the lifting plate 4 is located above the mounting plate 2, and both ends of the lifting plate 4 are provided with an inflatable plug 5, and the lifting plate 4 is installed with a first air pipe 6 communicated with the inflatable plug 5, and the lifting plate 4 is moved downward by the lifting plate 4, so that the inflatable plug 5 is connected to the rubber tube body 7, and the mounting plate 2 continues to move downward to compress the elastic telescopic component 3 and immerse the rubber tube body 7; specifically, when the utility model is used, the operator first bends the rubber tube body 7 so that the two With the pipe mouth facing upward, the rubber tube body 7 is fixed on the mounting plate 2. Most of the area of ​​the rubber tube body 7 has been immersed in the water in the water tank 1. When the lifting plate 4 moves downward, it drives the inflatable plug 5 to align the pipe mouths at both ends of the rubber tube body 7 to connect and seal to prevent water from entering the tube. Then the lifting plate 4 contacts the mounting plate 2 to apply pressure, and the mounting plate 2 presses down the elastic telescopic component 3. The mounting plate 2 and the rubber tube body 7 are immersed in water as a whole. The inflatable plug 5 inflates the rubber tube body 7 to observe whether bubbles are generated and leakage occurs. When the air tightness test is completed, the lifting plate 4 moves up and resets, and the mounting plate 2 moves upward a short distance under the elastic force of the elastic telescopic component 3 to recover. The operation is simple and convenient, and the detection efficiency is high.

[0023] In addition, in order to facilitate observation, the water tank 1 can be made of transparent materials, such as glass or acrylic.

[0024] like Figure 1 and Figure 3 As shown, the inflatable plug 5 in this embodiment includes an air delivery plug 51 and an inflatable balloon 52. One end of the air delivery plug 51 is fixedly connected to the lifting plate 4, the inflatable balloon 52 is wrapped around the outside of the air delivery plug 51, and the inflatable balloon 52 is connected to the second air pipe 53. The front end of the air delivery plug 51 adopts a conical structure; specifically, in order to facilitate the insertion of the air delivery plug 51 into the pipe orifice, a conical structure is adopted. After the air delivery plug 51 is extended into the pipe, the second air pipe 53 inflates the inflatable balloon 52 to expand it, thereby increasing its volume, so that the inflatable balloon 52 fits tightly against the pipe wall and is not easy to fall off, and water will not leak into the pipe.

[0025] Reference Figure 1 As shown, a main positioning support block 21 is installed below the mounting plate 2, and an auxiliary positioning support block 22 is installed above the mounting plate 2; specifically, the main positioning support block 21 and the auxiliary positioning support block 22 form a three-point structure, and the rubber tube body 7 is bent into a U shape to form a point support for the rubber tube body 7, and the mouth of the rubber tube body 7 faces upward.

[0026] It is worth noting that both the main positioning support block 21 and the auxiliary positioning support block 22 adopt U-shaped bayonet adapted to the shape of the pipe fitting.

[0027] In order to improve the smoothness of the downward movement and upward movement of the mounting plate 2, at least one slider 11 is installed on the inner wall of the water tank 1, and sliding bars 24 cooperating with the slider 11 are provided on both sides of the mounting plate 2. The sliding bars 24 are slidably connected to the slider 11 to prevent the mounting plate 2 from getting stuck.

[0028] Reference Figure 2 As shown, in order to prevent the mounting plate 2 from moving down too far and hitting the bottom of the water tank 1, an anti-collision limit pad 23 is provided at the bottom end of the mounting plate 2, and the anti-collision limit pad 23 is used for buffering.

[0029] Reference Figure 1 As shown, the elastic telescopic component 3 in this embodiment includes at least two compression springs 31, and the two compression springs 31 are symmetrically arranged on both sides of the mounting plate 2; specifically, the elastic coefficients of the two compression springs 31 are the same, so that the two sides of the mounting plate 2 are pressed downward and move evenly.

[0030] 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 rubber tube air tightness detection device, characterized in that: It comprises a water tank (1) and a mounting plate (2), wherein the mounting plate (2) is used to fix a rubber tube body (7), the mounting plate (2) is vertically placed in the water tank (1), and an elastic telescopic component (3) is installed at the bottom of the water tank (1), and the bottom end of the mounting plate (2) abuts against the upper part of the elastic telescopic component (3); A lifting plate (4), the lifting plate (4) is located above the mounting plate (2), both ends of the lifting plate (4) are provided with an inflatable plug (5), and the lifting plate (4) is provided with a first air pipe (6) which is in communication with the inflatable plug (5), and when the lifting plate (4) moves downward so that the inflatable plug (5) is connected to the rubber tube body (7), the mounting plate (2) continues to move downward to compress the elastic telescopic component (3) and immerse the rubber tube body (7).

2. The rubber tube air tightness detection device according to claim 1, characterized in that: The inflatable plug (5) comprises an air delivery plug post (51) and an inflatable balloon (52), one end of the air delivery plug post (51) is fixedly connected to the lifting plate (4), the inflatable balloon (52) is wrapped around the outside of the air delivery plug post (51), and the inflatable balloon (52) is connected to a second air pipe (53).

3. The rubber tube air tightness detection device according to claim 2, characterized in that: The front end of the gas transmission plug (51) adopts a conical structure.

4. The rubber tube air tightness detection device according to claim 1, characterized in that: A main positioning support block (21) is installed below the mounting plate (2), and an auxiliary positioning support block (22) is installed above the mounting plate (2).

5. The rubber tube air tightness detection device according to claim 4, characterized in that: The main positioning support block (21) and the auxiliary positioning support block (22) both adopt U-shaped bayonet holes that match the shape of the pipe fitting.

6. The rubber tube air tightness detection device according to claim 1, characterized in that: At least one sliding block (11) is installed on the inner wall of the water tank (1), and sliding bars (24) matching with the sliding block (11) are provided on both sides of the mounting plate (2), and the sliding bars (24) are slidably connected with the sliding block (11).

7. The rubber tube air tightness detection device according to claim 1, characterized in that: An anti-collision limiting pad (23) is provided at the bottom end of the mounting plate (2).

8. The rubber tube air tightness detection device according to claim 1, characterized in that: The elastic telescopic component (3) comprises at least two compression springs (31), and the two compression springs (31) are symmetrically arranged on both sides of the mounting plate (2).

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