CN214579536U

CN214579536U - Connecting device for heat-insulating pipeline

Info

Publication number: CN214579536U
Application number: CN202120837462.4U
Authority: CN
Inventors: 李进财
Original assignee: Tianjin Haoweite Pipeline Equipment Co ltd
Current assignee: Tianjin Haoweite Pipeline Equipment Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-02
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a heat preservation pipeline connecting device, which comprises an upper pipeline, a lower pipeline and a connecting mechanism; wherein, the inner wall of one side of the upper pipeline close to the connecting mechanism is provided with a thread; a plurality of limiting blocks are uniformly arranged at one end of the lower pipeline close to the connecting mechanism; coupling mechanism includes first pipeline, and the outer wall of first pipeline is even is provided with the screw thread, the inner wall threaded connection of first pipeline and last pipeline, and the one end fixedly connected with second pipeline that first pipeline is close to the lower pipeline is provided with a plurality of latch mechanisms with what the stopper corresponds on the outer wall of second pipeline, and the flange has been cup jointed to the outside of going up the pipeline, and the lower flange has been cup jointed to the outside of lower pipeline, go up the flange with lower flange is through evenly distributed in its edge circumference's connecting bolt fixed connection. The utility model discloses prevent to take place local rigidity fracture because of the overheated inside temperature variation of subcooling, effectively improved the connection sealing degree, avoid the junction to reveal.

Description

Connecting device for heat-insulating pipeline

Technical Field

The utility model relates to a heat preservation pipeline's technical field especially relates to a heat preservation pipeline connecting device.

Background

The heat-insulating pipe is a short name of heat-insulating pipeline, is used for conveying liquid, gas and other media, and is used in heat-insulating engineering of pipelines of petroleum, chemical engineering, aerospace, military, central heating, central air conditioning, municipal administration and the like. The existing pipeline connecting device is fixed at the joint by threads and screw holes, so that a gap is reserved at the joint of the connecting device, the sealing degree of the joint is influenced, leakage is easy to generate, the time is long, the connecting device is loosened, and the connecting stability is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a thermal insulation pipe connection device, which includes an upper pipe, a lower pipe and a connection mechanism; wherein,

the inner wall of one side of the upper pipeline close to the connecting mechanism is provided with threads;

a plurality of limiting blocks are uniformly arranged at one end of the lower pipeline close to the connecting mechanism;

coupling mechanism, including first pipeline, the outer wall of first pipeline is even is provided with the screw thread, first pipeline with the inner wall threaded connection of last pipeline, first pipeline is close to the one end fixedly connected with second pipeline of pipeline down, on the outer wall of second pipeline with the stopper corresponds be provided with a plurality of clamping mechanism, the flange has been cup jointed to the outside of going up the pipeline, the lower flange has been cup jointed to the outside of pipeline down, go up the flange with the lower flange is through evenly distributed in its edge circumference's connecting bolt fixed connection.

Preferably, the clamping mechanism comprises a clamping block, and the clamping block is connected with the side wall of the second pipeline through a plurality of springs.

Preferably, the clamping block is wedge-shaped.

Preferably, the second conduit is smaller than the diameter of the first conduit.

Preferably, one side of the clamping block close to the limiting block is provided with a rubber cushion layer.

Compared with the prior art, the beneficial effects of the utility model are that through setting up interior coupling mechanism, pass through female connection with the last pipeline of one end, the other end passes through the inner wall joint of latch mechanism and lower pipeline, realizes airtight safe transmission, and coupling mechanism's the differentiation in both ends sets up connected mode, prevents to take place local rigidity fracture because of the overheated inside temperature variation of subcooling, has effectively improved and has connected sealed degree, avoids the junction to reveal.

It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention.

Other features of the present invention will become apparent from the following description.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a connecting device for heat-insulating pipes;

fig. 2 is a schematic structural view of the lower duct.

Reference numbers in the figures: 11. an upper pipeline; 12. a lower pipeline; 13. a connecting mechanism;

21. a limiting block;

31. a first conduit; 32. a second conduit; 33. a clamping mechanism; 34. an upper flange; 35. a lower flange;

331. a clamping block; 332. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-2, an embodiment of the present invention provides a thermal insulation pipeline connecting device, which includes an upper pipeline 11, a lower pipeline 12 and a connecting mechanism 13; wherein,

the inner wall of one side of the upper pipeline 11 close to the connecting mechanism 13 is provided with threads;

one end of the lower pipeline 12 close to the connecting mechanism 13 is uniformly provided with a plurality of limiting blocks 21;

coupling mechanism 13, including first pipeline 31, the even screw thread that is provided with of outer wall of first pipeline 31, the inner wall threaded connection of first pipeline 31 and last pipeline 11, first pipeline 31 is close to the one end fixedly connected with second pipeline 32 of lower pipeline 12, correspond with stopper 21 on the outer wall of second pipeline 32 and be provided with a plurality of clamping mechanism 33, upper flange 34 has been cup jointed to the outside of last pipeline 11, lower flange 35 has been cup jointed to the outside of lower pipeline 12, upper flange 34 passes through evenly distributed in its edge circumference's connecting bolt fixed connection with lower flange 35.

In this embodiment, when the thermal insulation pipeline connecting device is used, in order to effectively connect the upper pipeline 11 with the lower pipeline 12, the first pipeline 31 on the connecting mechanism 13 extends into the upper pipeline 11 to be in threaded connection with the inner wall of the upper pipeline 11, the clamping mechanism 33 on the outer wall of the second pipeline 32 of the connecting mechanism 13 is in one-to-one correspondence with the limiting block 21 at the end of the lower pipeline 12, then the clamping mechanism 33 is pushed to be clamped inside the limiting block 21 of the lower pipeline 12, the upper pipeline 11 and the lower pipeline 12 are fixed outside through flanges, the connecting mechanism 13 is used for hermetically connecting the joint of the upper pipeline 11 and the lower pipeline 12, and the joint cracking caused by leakage corrosion is prevented.

When overhauling and replacing, after the external flange is removed, the lower pipeline 12 is rotated in the circumferential direction, the limiting blocks 21 at the end part of the lower pipeline are staggered with the corresponding clamping mechanisms 33, the clamping blocks 331 on the clamping mechanisms 33 are taken out from the gap between every two limiting blocks 21, then the first pipeline 31 is removed from the upper pipeline 11, and the components are replaced.

In a preferred embodiment, as shown in fig. 1, the latch mechanism 33 includes a latch block 331, and the latch block 331 is connected to the sidewall of the second pipe 32 by a plurality of springs 332.

In a preferred embodiment, the snap blocks 331 are wedge shaped as shown in fig. 1.

In a preferred embodiment, as shown in FIG. 1, the second conduit 32 is smaller than the diameter of the first conduit 31.

In a preferred embodiment, as shown in fig. 1, a rubber cushion layer is disposed on one side of the clamping block 331 close to the limiting block 21.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A heat preservation pipeline connecting device is characterized by comprising an upper pipeline, a lower pipeline and a connecting mechanism; wherein,

2. The thermal insulation pipeline connecting device according to claim 1, wherein the clamping mechanism comprises a clamping block, and the clamping block is connected with the side wall of the second pipeline through a plurality of springs.

3. The insulated pipe connection according to claim 2, wherein the engagement piece is wedge-shaped.

4. A thermal conduit connection apparatus as claimed in claim 3, wherein said second conduit is smaller in diameter than said first conduit.

5. The connecting device for the heat preservation pipeline according to claim 4, wherein a rubber cushion layer is arranged on one side, close to the limiting block, of the clamping block.