Airtightness detection device for efficient pipe

Abstract

The utility model relates to the technical field of airtightness detection of pipe fittings, and provides an airtightness detection device for a high-efficiency pipe, which comprises a bottom shell and at least one group of detection components, and a supporting seat for supporting the pipe fittings is arranged above the bottom shell; the detection assembly comprises a first plug sleeve, a second plug sleeve and a double-end lead screw, one end of the first plug sleeve is connected with an air pipe, an air pressure sensor is installed on the end face of one side of the second plug sleeve, the first plug sleeve is connected with a first movable sliding rod, and the second plug sleeve is connected with a second movable sliding rod; the first movable sliding rod and the second movable sliding rod are connected to the two sides of the double-end lead screw in a matched mode respectively, the two ends of the double-end lead screw are rotationally connected with the bottom shell, and the double-end lead screw is rotated to drive the first blocking sleeve and the second blocking sleeve to move oppositely to block pipe openings in the two ends of a pipe fitting. According to the utility model, the labor intensity can be reduced, the detection operation is convenient, and the detection accuracy is higher.

Description

Technical Field

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

[0002] In order to detect the quality of the pipe, it is necessary to conduct an airtightness test on it. After sealing both ends of the pipe, a certain pressure of gas is passed through it and the pipe is placed in water. If there is a gas leak, bubbles will emerge in the water, thus determining the airtightness of the pipe.

[0003] However, the above-mentioned pipe air tightness detection equipment uses the bubbling method. The tester's eyes are prone to fatigue after working for a long time, and are easily affected by the intensity of ambient light. It has high observation requirements for the observer, which is easy to cause misjudgment. The manual labor intensity is high, and plugs are needed to be used at both ends of the pipe in turn to block and seal, which makes the detection operation more cumbersome and inefficient. Utility Model Content

[0004] The utility model aims to provide a high-efficiency pipe airtightness detection device which can realize automatic and high-efficiency detection, is relatively simple to operate, and improves detection efficiency.

[0005] The embodiment of the utility model is realized through the following technical scheme: an efficient airtight detection device for pipes, comprising a bottom shell and at least one group of detection components, a support seat for supporting the pipe fitting is arranged above the bottom shell; the detection component comprises a first plugging sleeve, a second plugging sleeve and a double-headed screw, one end of the first plugging sleeve is connected to an air pipe, an air pressure sensor is installed on one end face of the second plugging sleeve, the first plugging sleeve is connected to a first movable slide rod, the second plugging sleeve is connected to a second movable slide rod, and the first movable slide rod and the second movable slide rod are respectively connected to the two sides of the double-headed screw rod, the two ends of the double-headed screw rod are rotatably connected to the bottom shell, and the first plugging sleeve and the second plugging sleeve are driven to move toward each other to block the pipe openings at both ends of the pipe fitting by rotating the double-headed screw rod.

[0006] Preferably, a worm wheel is installed in the middle of the double-ended screw, the worm wheel is connected with a worm, and the worm is connected to a driving motor for driving.

[0007] Preferably, a slide rail is installed at the bottom of the bottom shell, and the bottom ends of the first movable slide rod and the second movable slide rod are slidably connected to the slide rail; the double-headed screw rod passes through the middle of the first movable slide rod and the second movable slide rod and is cooperatively connected therewith.

[0008] Preferably, the detection assembly includes a negative pressure suction seat, and at least two support seats are provided, and the two support seats are symmetrically arranged on both sides of the negative pressure suction seat.

[0009] Preferably, the first blocking sleeve comprises an outer ring portion and an inner ring portion, a gap for the tube wall to fit in is left between the outer ring portion and the inner ring portion, and the air pipe passes through the inner ring portion.

[0010] Preferably, the detection components are provided with a plurality of groups arranged in parallel.

[0011] Preferably, the support seat is detachably connected to the bottom shell, and a semicircular bayonet adapted to the pipe fitting is provided in the middle of the support seat.

[0012] The technical solution of the embodiments of the utility model has at least the following advantages and beneficial effects: the utility model places the pipe fitting on the support seat and drives the double-headed screw to rotate, so that the first movable slide bar and the second movable slide bar drive the first blocking sleeve and the second blocking sleeve to block the two ends of the pipe fitting, and then the compressed air is input into the air pipe, and the air pressure sensor value is left to stand for a period of time to observe whether there is a large change to obtain the air tightness result. The operation is simple and convenient, the labor intensity is low, and the air tightness detection accuracy is high. 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 schematic diagram of the structure of a detection component in a high-efficiency pipe airtightness detection device provided in an embodiment of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the first plugging sleeve in the utility model;

[0016] Figure 3 It is a top view of the high-efficiency pipe airtightness detection device in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the support seat in the utility model.

[0018] Icons: 1- bottom shell, 2- detection assembly, 21- support seat, 211- semicircular bayonet, 22- first plugging sleeve, 221- outer ring, 222- inner ring, 23- second plugging sleeve, 24- air pressure sensor, 25- air pipe, 26- negative pressure suction seat, 27- double-headed screw, 28- first movable slide rod, 29- second movable slide rod, 3- worm gear, 4- worm, 5- driving motor, 6- slide rail. DETAILED DESCRIPTION

[0019] 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.

[0020] 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.

[0021] 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.

[0022] Example

[0023] The following is further described in conjunction with specific embodiments. Figure 1-Figure 4 As shown, this embodiment is an efficient airtightness detection device for pipes, comprising a bottom shell 1 and at least one group of detection components 2, a support seat 21 for supporting the tube member is arranged above the bottom shell 1; the detection component 2 comprises a first plugging sleeve 22, a second plugging sleeve 23 and a double-headed screw 27, one end of the first plugging sleeve 22 is connected to an air pipe 25, an air pressure sensor 24 is installed on one end face of the second plugging sleeve 23, the first plugging sleeve 22 is connected to a first movable slide bar 28, the second plugging sleeve 23 is connected to a second movable slide bar 29, and the first movable slide bar 28 and the second movable slide bar 29 are respectively connected to the two sides of the double-headed screw 27, the two ends of the double-headed screw 27 are connected to the bottom shell 1 for rotation, and the first plugging sleeve 22 and the second plugging sleeve 23 are driven toward each other by rotating the double-headed screw 27 Move to block the pipe openings at both ends of the pipe fitting; specifically, when the detection device in the utility model is in use, the test personnel first place the test pipe fitting flat on the support seat 21, and the first blocking sleeve 22 and the second blocking sleeve 23 are respectively located at the two ends of the pipe fitting and are in the same straight line, driving the double-headed screw rod 27 to rotate, and then the first moving slide bar 28 and the second moving slide bar 29 move toward each other, and then the first blocking sleeve 22 and the second blocking sleeve 23 block the two ends of the pipe fitting, open the air pump and the solenoid valve to allow the air pipe 25 to input compressed air into the pipe fitting, and close the solenoid valve to allow the compressed air to stand in the pipe fitting for a period of time, and the air pressure sensor 24 can detect the air pressure change, effectively reducing the probability of missed detection and misjudgment, and the detection operation is simple and convenient, and the labor intensity is low.

[0024] Reference Figure 1As shown, a worm wheel 3 is installed in the middle of the double-ended lead screw 27 in this embodiment, the worm wheel 3 is connected with a worm 4, and the worm 4 is connected with a driving motor 5 for driving; specifically, the double-ended lead screw is driven by the cooperation of the worm wheel and the worm 4.

[0025] In order to improve the smoothness of the movement of the first blocking sleeve 22 and the second blocking sleeve 23, a slide rail 6 is installed at the bottom of the bottom shell 1, and the bottom ends of the first movable slide rod 28 and the second movable slide rod 29 are slidably connected to the slide rail 6; the double-headed screw 27 passes through the middle of the first movable slide rod 28 and the second movable slide rod 29 and is connected thereto.

[0026] In order to prevent the pipe from moving when it is blocked, the detection component 2 of this embodiment includes a negative pressure suction seat 26, and at least two support seats 21 are provided, and the two support seats 21 are symmetrically arranged on both sides of the negative pressure suction seat 26; specifically, a suction cup is embedded in the negative pressure suction seat 26, and the bottom of the pipe is in close contact with the negative pressure suction seat 26.

[0027] It is worth noting that the first plugging sleeve 22 in this embodiment includes an outer ring portion 221 and an inner ring portion 222. A gap is left between the outer ring portion 221 and the inner ring portion 222 for the tube wall to fit in. The air pipe 25 passes through the inner ring portion 222, which has a certain anti-slip effect.

[0028] In order to further improve the efficiency of air tightness detection, the detection assembly 2 in this embodiment is provided with multiple groups arranged in parallel and side by side; specifically, the tester grabs multiple pipes and conveniently places them in the support seats 21 at different positions in turn for detection and testing.

[0029] like Figure 1 and Figure 4 As shown, the support seat 21 in this embodiment is detachably connected to the bottom shell 1 and can be replaced according to pipes of different diameters. A semicircular bayonet 211 adapted to the pipe is provided in the middle of the support seat 21 to limit the horizontal movement of the pipe.

[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. An efficient airtightness detection device for pipes, characterized in that: It comprises a bottom shell (1) and at least one set of detection components (2), wherein a support seat (21) for supporting a tube member is arranged above the bottom shell (1); The detection assembly (2) comprises a first blocking sleeve (22), a second blocking sleeve (23) and a double-ended screw (27); one end of the first blocking sleeve (22) is connected to an air pipe (25); one end surface of the second blocking sleeve (23) is provided with an air pressure sensor (24); the first blocking sleeve (22) is connected to a first movable slide bar (28); the second blocking sleeve (23) is connected to a second movable slide bar (29); the first movable slide bar (28) and the second movable slide bar (29) are respectively connected to two sides of the double-ended screw (27); the two ends of the double-ended screw (27) are rotatably connected to the bottom shell (1); by rotating the double-ended screw (27), the first blocking sleeve (22) and the second blocking sleeve (23) are driven to move towards each other to block the two ends of the pipe opening of the pipe fitting.

2. The high-efficiency airtightness detection device for pipes according to claim 1 is characterized in that: A worm wheel (3) is installed in the middle of the double-ended screw (27), and the worm wheel (3) is connected to a worm (4), and the worm (4) is connected to a driving motor (5) for driving.

3. The high-efficiency airtightness detection device for pipes according to claim 1 is characterized in that: A slide rail (6) is installed at the bottom of the bottom shell (1), and the bottom ends of the first movable slide rod (28) and the second movable slide rod (29) are slidably connected to the slide rail (6); The double-ended screw rod (27) passes through the middle of the first movable slide rod (28) and the second movable slide rod (29) and is connected thereto.

4. The high-efficiency airtightness detection device for pipes according to claim 1 is characterized in that: The detection assembly (2) comprises a negative pressure suction seat (26), and at least two support seats (21) are provided, and the two support seats (21) are symmetrically arranged on both sides of the negative pressure suction seat (26).

5. The high-efficiency airtightness detection device for pipes according to claim 1 is characterized in that: The first blocking sleeve (22) comprises an outer ring portion (221) and an inner ring portion (222), a gap for the tube wall to fit in is left between the outer ring portion (221) and the inner ring portion (222), and the air pipe (25) passes through the inner ring portion (222).

6. The high-efficiency airtightness detection device for pipes according to claim 1, characterized in that: The detection components (2) are provided with a plurality of groups arranged in parallel.

7. The high-efficiency airtightness detection device for pipes according to claim 1 is characterized in that: The support seat (21) is detachably connected to the bottom shell (1), and a semicircular bayonet (211) adapted to the pipe fitting is provided in the middle of the support seat (21).

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