CN219300145U

CN219300145U - Connecting device for polyurethane spraying polyethylene winding heat-insulating pipe

Info

Publication number: CN219300145U
Application number: CN202320825464.0U
Authority: CN
Inventors: 李鹏举; 肖建蕊; 朱明静
Original assignee: Tianjin Yugang Keep Warm Construction Material Co ltd
Current assignee: Tianjin Yugang Keep Warm Construction Material Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-04
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a connecting device for a polyurethane spraying polyethylene winding heat-insulating pipe, which comprises a pipeline A, a limiting block A and a connecting block A, wherein the limiting block A is fixedly connected to the outer side of the pipeline A, one side of the limiting block A is connected with the connecting block A, the connecting block A is connected with a connecting block B through a fixing screw, one side of the connecting block A is provided with a positioning groove, the inside of the positioning groove is embedded with a connecting positioning block, one side of the positioning block is connected with the pipeline B.

Description

Connecting device for polyurethane spraying polyethylene winding heat-insulating pipe

Technical Field

The utility model relates to the technical field of heat-insulating pipes, in particular to a connecting device for a polyurethane spraying polyethylene winding heat-insulating pipe.

Background

The heat-insulating pipe is used for conveying liquid, gas and other medium, and is used in heat insulating engineering for petroleum, chemical, spaceflight, hot spring, military, central heating, central air conditioner, municipal pipeline, etc.

Through retrieval, chinese patent No. 215488167U is a connecting device for prefabricating a direct-buried heat-insulating pipe, which comprises a connecting pipe body, a heat-insulating ring, an inner ring pipe, an elastic pad, a rotating cylinder and a limiting plate; annular grooves are formed at two ends of the connecting pipe body, and clamping grooves are formed in the connecting pipe body; an opening is formed in the inner wall of the annular groove, and external threads are formed in the bottom surface of one group of annular grooves; the inner wall of the rotating cylinder is rotationally connected with the bottom surface of the other group of annular grooves, and the inner wall of the rotating cylinder is provided with internal threads; the elastic pad and the limiting plate are distributed in the connecting pipe body side by side, the elastic pad is connected with the limiting plate, and a groove is formed in the end face, away from the limiting plate, of the elastic pad; the inner ring pipe is arranged on the inner wall of the connecting pipe body; the heat preservation ring is in sliding connection with the outer wall of the connecting pipe body, and a limiting component used for being matched and clamped into the clamping groove is arranged on the heat preservation ring. The utility model is convenient for connecting the pipelines, and carries out heat preservation treatment on the connecting part, thereby improving the heat preservation effect of the pipelines.

The existing device has the following problems when in use: when connecting two heat preservation pipelines, the pipeline butt joint is not good, leads to the efficiency of connecting slower, and the fastening and the leakproofness of connection are not enough, influence follow-up use.

Disclosure of Invention

The utility model aims to provide a connecting device for a polyurethane spraying polyethylene winding heat-insulating pipe, which is used for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a connecting device for on polyurethane spraying polyethylene winding insulating tube, includes pipeline A, stopper A, connecting block A, pipeline A's outside fixedly connected with stopper A, stopper A's one side is connected with connecting block A, connecting block A is connected with connecting block B through fixing screw, the constant head tank has been seted up to connecting block A's one side, the inside gomphosis of constant head tank is connected the locating piece, one side of locating piece is connected with pipeline B, pipeline B's outside fixedly connected with stopper B.

Preferably, a mounting hole is formed in one side of the limiting block A, and the limiting block B is connected with the mounting hole through a connecting screw in a threaded mode.

Preferably, the connecting block A and the limiting block A are integrally formed.

Preferably, a connecting hole is formed in one side of the connecting block A, and the connecting hole is in threaded connection with the fixing screw.

Preferably, an inner tube is connected to one side of the pipe B, and the inner tube is fitted into the pipe a.

Preferably, the inside of connecting block A, connecting block B all is provided with the heat preservation.

Preferably, waterproof layers are arranged on the outer sides of the limiting blocks A and B.

Compared with the prior art, the utility model has the beneficial effects that: the inner pipe on one side of the pipeline B is inserted into the pipeline A, the tightness of pipeline connection is improved, the positioning block is inserted into the positioning groove, the pipeline A is connected with the pipeline B in an auxiliary mode, the connection is more convenient, the limiting block A and the limiting block B are connected through the connecting screw, the connection between the pipeline A and the pipeline B is more fastened, the heat preservation layer is arranged in the pipeline B through the connecting block A, the heat preservation layer is arranged in the pipeline B, the loss of the temperature of the joint is reduced, and the practicability is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of the structure of the pipeline a according to the present utility model.

Fig. 4 is a schematic view of the structure of the pipeline B of the present utility model.

In the figure: 1. a pipeline A; 2. a limiting block A; 3. a connecting screw; 4. a connecting block A; 5. a connecting block B; 6. an inner tube; 7. a positioning block; 8. a fixed screw; 9. a pipeline B; 10. a limiting block B; 11. a connection hole; 12. a positioning groove; 13. and (5) mounting holes.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, in the embodiment of the utility model, a connecting device for a polyurethane spraying polyethylene winding insulation pipe comprises a pipeline A1, a limiting block A2 and a connecting block A4, wherein the limiting block A2 is fixedly connected to the outer side of the pipeline A1, one side of the limiting block A2 is connected with the connecting block A4, the connecting block A4 is connected with a connecting block B5 through a fixing screw 8, one side of the connecting block A4 is provided with a positioning groove 12, the inside of the positioning groove 12 is embedded with a connecting positioning block 7, the connection between the auxiliary pipeline A1 and the pipeline B9 is more convenient, one side of the positioning block 7 is connected with the pipeline B9, the outer side of the pipeline B9 is fixedly connected with the limiting block B10, one side of the limiting block A2 is provided with a mounting hole 13 through a connecting screw 3, the connection between the pipeline A1 and the pipeline B9 is more firm, the connecting block A4 and the limiting block A2 are integrally formed, one side of the inner pipe A4 is provided with a connecting hole 11, one side of the connecting block is fixedly connected with the connecting block B6 is provided with a sealing connection layer, and the inner side of the pipeline B6 is inserted into the connecting block B6, and the inner side of the connecting block is sealed and connected with the pipeline B6 is provided with the sealing connection layer 6. The outside of stopper A2, stopper B10 is provided with the waterproof layer, increases the life of pipeline.

The working principle of the utility model is as follows: through the inside of inserting pipeline A1 with the inner tube 6 of pipeline B9 one side, increase the leakproofness of pipe connection, locating piece 7 inserts constant head tank 12 this moment, be connected between auxiliary pipeline A1 and the pipeline B9, make it more convenient to connect, connect connecting block A4, connecting block A5 through fixing screw 8, connect stopper A2 through connecting screw 3 this moment, stopper B10, make the connection between pipeline A1 and the pipeline B9 more fastening, through connecting block A4, the inside of connecting block B5 all is provided with the heat preservation, reduce the loss of junction temperature, improve the practicality.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a connecting device for on polyurethane spraying polyethylene winding insulating tube, includes pipeline A (1), stopper A (2), connecting block A (4), its characterized in that: the utility model discloses a pipeline A (1), including pipeline A (1), connecting block A (4), fixed screw (8), constant head tank (12) have been seted up to one side of connecting block A (4), inside gomphosis connection locating piece (7) of constant head tank (12), one side of locating piece (7) is connected with pipeline B (9), the outside fixedly connected with stopper B (10) of pipeline B (9).

2. A connection device for use on polyurethane spray coated polyethylene wrapped insulation according to claim 1, wherein: one side of the limiting block A (2) is provided with a mounting hole (13), and the limiting block B (10) is in threaded connection with the mounting hole (13) through a connecting screw (3).

3. A connection device for use on polyurethane spray coated polyethylene wrapped insulation according to claim 1, wherein: the connecting block A (4) and the limiting block A (2) are integrally formed.

4. A connection device for use on polyurethane spray coated polyethylene wrapped insulation according to claim 1, wherein: one side of the connecting block A (4) is provided with a connecting hole (11), and the connecting hole (11) is in threaded connection with a fixing screw rod (8).

5. A connection device for use on polyurethane spray coated polyethylene wrapped insulation according to claim 1, wherein: an inner pipe (6) is connected to one side of the pipeline B (9), and the inner pipe (6) is embedded in the pipeline A (1).

6. A connection device for use on polyurethane spray coated polyethylene wrapped insulation according to claim 1, wherein: and heat preservation layers are arranged in the connecting blocks A (4) and B (5).

7. A connection device for use on polyurethane spray coated polyethylene wrapped insulation according to claim 1, wherein: waterproof layers are arranged on the outer sides of the limiting blocks A (2) and B (10).