Pipeline sealing plug assembly

Abstract

The utility model discloses a pipeline sealing plug assembly, which relates to the technical field of pipeline sealing plugs, and comprises a support plate, one end of the support plate is fixedly connected with an inflation expansion rubber plug, one end of the side wall of the support plate is fixedly connected with an air supply pipe through an inflation mechanism, and the other end of the air supply pipe penetrates through a cavity of the support plate. And a two-way screw rod is rotationally connected into a cavity of the supporting plate, and the two ends of the rod wall of the two-way screw rod are in threaded connection with threaded sleeves. According to the supporting plate provided by the utility model, on the basis that the pipeline sealing plug and the pipeline are sealed and then reinforced and fixed, loosening and falling off are prevented, so that the problem that an existing pipeline sealing plug assembly is loosened and even falls off due to air pressure in the pipeline after being used for a long time is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline sealing plugs, in particular to a pipeline sealing plug assembly. Background Art

[0002] In modern society, pipe sealing plugs are made of rubber and are needed in various industries. Pipes in hospitals or workshops that require sterile processes all need to be sealed with pipe sealing plugs.

[0003] When in use, the existing pipe sealing plug assembly is inserted into the pipe through the rubber end to be clamped with the pipe. During use, it will cause slight movement due to the air pressure in the pipe. After long-term use, the pipe sealing plug will loosen or even fall off, thereby affecting the pipe sealing. Therefore, it is necessary to solve the problem that the existing pipe sealing plug assembly will loosen or even fall off due to the air pressure in the pipe after long-term use. Utility Model Content

[0004] In view of the above problems existing in the existing pipeline sealing plug assembly, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a pipeline sealing plug assembly to solve the problem that the existing pipeline sealing plug assembly may become loose or even fall off due to the air pressure in the pipeline after long-term use.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipe sealing plug assembly, comprising a support plate, one end of the support plate is fixedly connected to an inflatable rubber plug, one end of the side wall of the support plate is fixedly connected to an air supply pipe by providing an inflation mechanism, the other end of the air supply pipe passes through the side wall of the support plate and is fixedly connected to one end of the side wall of the inflatable rubber plug, a two-way screw is rotatably connected in the cavity of the support plate, and the two ends of the rod wall of the two-way screw are threadedly connected to a threaded sleeve, both ends of the side wall of the support plate are provided with sliding openings, the threaded sleeves at both ends are fixedly connected to the support rod, the other ends of the support rods at both ends pass through the sliding openings and are fixedly connected to arc clamping plates, the arc clamping plates at both ends correspond to the positions of the inflatable rubber plug, the cavity of the support plate is fixedly connected to the rod wall of the two-way screw by providing a driving mechanism, and the other end of the support plate is fixedly connected to the handle.

[0007] Preferably, the inflation mechanism includes a valve and a threaded cap, one end of the side wall of the support plate is fixedly connected to the valve, one end of the valve is fixedly connected to the air supply pipe, and the other end of the valve is threadedly connected to the threaded cap.

[0008] Preferably, the driving mechanism includes an operating rod, a driving gear and a rotating handle. The support plate is rotatably connected to the operating rod. The operating rod and the rod wall of the bidirectional screw are fixedly connected to the driving gear. The driving gears at both ends are meshed and connected. One end of the operating rod passes through the support plate and is fixedly connected to the rotating handle.

[0009] Preferably, a plurality of rubber friction rings are fixedly connected to the side wall of the inflatable rubber plug.

[0010] Furthermore, the side walls of the arc-shaped clamping plates at both ends are fixedly connected with rubber friction plates.

[0011] Preferably, the surface of the inflatable rubber plug is provided with a corrosion-resistant fluorocarbon rubber modified coating.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0013] 1. The utility model utilizes an inflatable rubber plug arranged on the side wall of a support plate. After being inserted into a pipeline, the inflatable rubber plug is inflated through an inflation mechanism and an air supply pipe so that the inflatable rubber plug expands and seals against the pipeline. A valve nozzle arranged on the side wall of one end of the support plate is utilized to facilitate inflation of the inflatable rubber plug. After inflation, the valve nozzle is sealed through a threaded cap.

[0014] 2. The utility model utilizes a bidirectional screw that is rotatably connected and arranged in the support plate cavity. The bidirectional screw is driven to rotate by a driving mechanism, thereby driving the support rods at both ends to move in the sliding mouth, driving the arc-shaped clamping plates at both ends to close and clamp the outer pipe wall of the pipe, thereby strengthening the clamping strength of the inflatable rubber plug and preventing it from being loosened and falling off due to being squeezed by the air pressure inside the pipe.

[0015] 3. The utility model utilizes multiple rubber friction rings arranged on the side wall surface of the inflatable rubber plug to enhance the friction of the inflatable rubber plug and reduce the squeezing force of the air pressure. It utilizes a corrosion-resistant fluorocarbon rubber modified coating arranged on the surface of the inflatable rubber plug to improve the chemical resistance and environmental corrosion resistance of the inflatable rubber plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0018] Figure 2This is a front structural sectional view of the utility model;

[0019] Figure 3 It is a side structural diagram of the utility model.

[0020] Description of reference numerals:

[0021] 1. Support plate; 2. Inflatable rubber plug; 3. Air supply pipe; 4. Bidirectional screw; 5. Threaded sleeve; 6. Slide; 7. Support rod; 8. Arc-shaped splint; 9. Grip; 10. Valve; 11. Threaded cap; 12. Operating lever; 13. Drive gear; 14. Turning handle; 15. Rubber friction ring; 16. Rubber friction plate. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0023] The embodiment of the utility model discloses a pipeline sealing plug assembly.

[0024] The utility model provides Figure 1-Figure 3 The pipe sealing plug assembly shown in the figure includes a support plate 1, one end of the support plate 1 is fixedly connected to an inflatable rubber plug 2, one end of the side wall of the support plate 1 is fixedly connected to an air supply pipe 3 through an inflation mechanism, the other end of the air supply pipe 3 passes through the side wall of the support plate 1 and is fixedly connected to one end of the side wall of the inflatable rubber plug 2, a bidirectional screw 4 is rotatably connected in the cavity of the support plate 1, both ends of the rod wall of the bidirectional screw 4 are threadedly connected to threaded sleeves 5, both ends of the side wall of the support plate 1 are provided with sliding openings 6, the threaded sleeves 5 at both ends are fixedly connected to support rods 7, the other ends of the support rods 7 at both ends pass through the sliding openings 6, and are fixedly connected to arc-shaped splints 8, the arc-shaped splints 8 at both ends correspond to the positions of the inflatable rubber plug 2, the cavity of the support plate 1 is provided with a driving mechanism and a bidirectional screw The rod wall of the rod 4 is fixedly connected, and the other end of the support plate 1 is fixedly connected to the handle 9. After the inflatable rubber plug 2 is inserted into the pipeline, the inflatable rubber plug 2 is inflated through the inflation mechanism and the air supply pipe 3 to expand the inflatable rubber plug 2 and seal the pipeline. The bidirectional screw 4 is driven by the provided driving mechanism to rotate, thereby driving the support rods 7 at both ends to move in the sliding mouth 6, and driving the arc-shaped clamping plates 8 at both ends to close and clamp the outer pipe wall of the pipeline, thereby strengthening the clamping strength of the inflatable rubber plug 2 and avoiding it from being squeezed by the air pressure inside the pipeline to cause loosening and falling off. The provided handle 9 facilitates the use of the sealing plug assembly, thereby solving the problem that the existing pipeline sealing plug assembly will become loose or even fall off due to the air pressure in the pipeline after long-term use.

[0025] In order to facilitate the inflation of the inflatable rubber plug 2, as shown in FIG. Figure 1 and 2As shown, the inflation mechanism includes a valve 10 and a threaded cap 11. The valve 10 is fixedly connected to one end of the side wall of the support plate 1, one end of the valve 10 is fixedly connected to the air supply pipe 3, and the other end of the valve 10 is threadedly connected to the threaded cap 11. The set valve 10 facilitates the inflation of the inflatable rubber plug 2, and the valve 10 is sealed by the threaded cap 11 after inflation.

[0026] In order to drive the bidirectional screw 4 to rotate, Figure 2 As shown, the driving mechanism includes an operating rod 12, a driving gear 13 and a rotating handle 14. The support plate 1 is connected to the rotation of the operating rod 12. The operating rod 12 and the rod wall of the bidirectional screw 4 are fixedly connected with the driving gear 13. The driving gears 13 at both ends are meshed and connected. One end of the operating rod 12 passes through the support plate 1 and is fixedly connected with the rotating handle 14. The rotating handle 14 is used to drive the operating rod 12 to rotate, so that the operating rod 12 and the driving gear 13 of the rod wall of the bidirectional screw 4 are meshed, driving the bidirectional screw 4 to rotate.

[0027] In order to enhance the friction of the inflatable rubber plug 2, as Figure 1-Figure 3 As shown, a plurality of rubber friction rings 15 are fixedly connected to the side wall of the inflatable rubber plug 2. The plurality of rubber friction rings 15 are provided to enhance the friction force of the inflatable rubber plug 2 and reduce the squeezing force of the air pressure.

[0028] In order to strengthen the friction of the arc splint 8, as Figure 1-Figure 3 As shown, the side walls of the arc-shaped clamping plates 8 at both ends are fixedly connected with rubber friction plates 16, and the friction of the arc-shaped clamping plates 8 is enhanced by the provided rubber friction plates 16.

[0029] Finally, in order to improve the chemical resistance and environmental corrosion resistance of the inflatable rubber plug 2, as Figure 1-Figure 3 As shown, the surface of the inflatable rubber plug 2 is provided with a corrosion-resistant fluorocarbon rubber modified coating, and the corrosion-resistant fluorocarbon rubber modified coating is used to improve the chemical resistance and environmental corrosion resistance of the inflatable rubber plug 2.

[0030] Working principle:

[0031] When in use, the inflatable rubber plug 2 at one end is inserted into the pipeline through the handle 9, and the inflatable rubber plug 2 is inflated through the inflation mechanism and the air supply pipe 3, so that it expands and fits the inner wall of the pipeline to maintain a seal. The operating rod 12 is driven to rotate by turning the handle 14, so that the operating rod 12 and the driving gear 13 of the rod wall of the bidirectional screw 4 are engaged, driving the bidirectional screw 4 to rotate, thereby driving the support rods 7 at both ends to move in the sliding mouth 6, and driving the arc-shaped clamping plates 8 at both ends to close and clamp the outer pipe wall of the pipeline, thereby strengthening the clamping strength of the inflatable rubber plug 2, and avoiding it from being squeezed by the air pressure inside the pipeline to cause loosening and falling off, thereby solving the problem that the existing pipeline sealing plug assembly will become loose or even fall off due to the air pressure in the pipeline after long-term use.

[0032] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A pipe sealing plug assembly, comprising a support plate (1), characterized in that: One end of the support plate (1) is fixedly connected to an inflatable rubber plug (2), one end of the side wall of the support plate (1) is fixedly connected to an air supply pipe (3) through an inflating mechanism, the other end of the air supply pipe (3) passes through the side wall of the support plate (1) and is fixedly connected to one end of the side wall of the inflatable rubber plug (2), a bidirectional screw (4) is rotatably connected in the cavity of the support plate (1), and threaded sleeves (5) are threadedly connected at both ends of the rod wall of the bidirectional screw (4), a sliding opening (6) is provided at both ends of the side wall of the support plate (1), and the threaded sleeves (5) at both ends are fixedly connected to support rods (7), the other ends of the support rods (7) at both ends pass through the sliding opening (6) and are fixedly connected to arc-shaped clamping plates (8), and the arc-shaped clamping plates (8) at both ends correspond to the positions of the inflatable rubber plug (2), the cavity of the support plate (1) is fixedly connected to the rod wall of the bidirectional screw (4) through a driving mechanism, and the other end of the support plate (1) is fixedly connected to a handle (9).

2. The pipeline sealing plug assembly according to claim 1, characterized in that: The inflation mechanism comprises an air valve (10) and a threaded cap (11); one end of the side wall of the support plate (1) is fixedly connected to the air valve (10); one end of the air valve (10) is fixedly connected to the air supply pipe (3); and the other end of the air valve (10) is threadedly connected to the threaded cap (11).

3. The pipeline sealing plug assembly according to claim 1, characterized in that: The driving mechanism comprises an operating rod (12), a driving gear (13) and a rotating handle (14); the support plate (1) is rotatably connected to the operating rod (12); the operating rod (12) and the rod wall of the bidirectional screw (4) are both fixedly connected to the driving gear (13); the driving gears (13) at both ends are meshedly connected; one end of the operating rod (12) passes through the support plate (1) and is fixedly connected to the rotating handle (14).

4. The pipeline sealing plug assembly according to claim 1, characterized in that: A plurality of rubber friction rings (15) are fixedly connected to the side wall of the inflatable rubber plug (2).

5. The pipeline sealing plug assembly according to claim 1, characterized in that: The side walls of the arc-shaped clamping plates (8) at both ends are fixedly connected with rubber friction plates (16).

6. The pipeline sealing plug assembly according to claim 1, characterized in that: The surface of the inflatable rubber plug (2) is provided with a corrosion-resistant fluorocarbon rubber modified coating.

Images