CN211315469U

CN211315469U - Sleeve compensation with bellows protection

Info

Publication number: CN211315469U
Application number: CN201921801281.5U
Authority: CN
Inventors: 朱杰
Original assignee: Shenyang Jiemai Energy Equipment Co ltd
Current assignee: Shenyang Jiemai Energy Equipment Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-21
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a take sleeve compensation of bellows protection, including first connecting pipe and second connecting pipe, first connecting pipe and second connecting pipe port department have cup jointed the bellows, the inside inner protection pipe that is provided with of bellows, the inner protection pipe contacts with first connecting pipe and second connecting pipe outside surface respectively. The utility model discloses in, there is the inner protection pipe at the internally mounted of bellows, and inner protection pipe and first connecting pipe and the accurate laminating in second connecting pipe surface simultaneously, through setting up the inner protection pipe to prevent to appear the space between bellows and the connecting pipe, thereby guarantee the stability in the course of the work, improve its life, set up rubber seal at the both sides terminal surface of bellows simultaneously, through setting up rubber seal, be convenient for seal the contact opening of bellows and connecting pipe, thereby improve its sealing performance.

Description

Sleeve compensation with bellows protection

Technical Field

The utility model relates to a sleeve compensation technical field especially relates to take sleeve compensation of bellows protection.

Background

The sleeve compensator has the working characteristics of no limitation on the medium flow direction, insensitivity to sudden change of pressure in a system and water hammer, no special requirement on water quality, long service life and wide application in a thermal power direct-buried pipeline.

However, when the sleeve compensator is at a high temperature (above 250 ℃), the sealing material can volatilize gradually along with the prolonging of time, when the density of the sealing material is reduced to a certain degree, the compensator can possibly leak and needs to be maintained for use, and meanwhile, after the existing sleeve is used for a period of time, the contact part of the sleeve and the connecting pipe can be loosened due to the flowing of liquid, so that the later-stage work is not facilitated.

We propose to this end a bellows-protected sleeve compensation that addresses the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing: and the sleeve with the corrugated pipe protection compensates.

The technical scheme of the utility model: take sleeve compensation of bellows protection, including first connecting pipe and second connecting pipe, bellows has been cup jointed to first connecting pipe and second connecting pipe port department, the inside inner protection pipe that is provided with of bellows, inner protection pipe contacts with first connecting pipe and second connecting pipe outside surface respectively.

Preferably, the outer protection tube is installed in the bellows outside, and outer protection tube both ends inside wall and first connecting pipe and the contact of second connecting pipe surface, outer protection tube one end is provided with first external screw thread, and the inside first internal thread that is provided with of outer protection tube other end.

Preferably, outer protection tube both sides are provided with first locking cap and second locking cap respectively, first locking cap one side is through the first external screw thread screwed connection of internal thread and outer protection tube one side, the third external screw thread of second locking cap one end and the first internal thread screwed connection of outer protection tube one end.

Preferably, the two ends of the corrugated pipe are respectively provided with a second external thread, one end of the second fixing cap is positioned in the third external thread and is provided with a second internal thread, and the second fixing cap is in threaded connection with the second external thread at one end of the corrugated pipe through the second internal thread.

Preferably, a third fixing cap is arranged in the outer protection tube, and the second fixing cap is in threaded connection with a second external thread at one end of the corrugated tube through an internal thread.

Preferably, rubber seal rings are installed at the contact positions of the inner walls of the two ends of the corrugated pipe and the first connecting pipe and the second connecting pipe.

Preferably, the contact position of the first connecting pipe and the first fixing cap is filled with a sealant, and the contact position of the second fixing cap and the second connecting pipe is filled with a sealant.

Compared with the prior art, the utility model has the advantages that;

1. the utility model discloses, there is the inner protection pipe at the internally mounted of bellows, and inner protection pipe and first connecting pipe and the accurate laminating in second connecting pipe surface simultaneously, through setting up the inner protection pipe to prevent to appear the space between bellows and the connecting pipe, thereby guarantee the stability in the course of the work, improve its life, set up rubber seal at the both sides terminal surface of bellows simultaneously, through setting up rubber seal, be convenient for seal the contact opening of bellows and connecting pipe, thereby improve its sealing performance.

2. The utility model discloses, there is the outer protection tube outside surface mounting at first connecting pipe and second connecting pipe, be convenient for play the guard action to first connecting pipe and second connecting pipe interface play through the outer protection tube, be provided with the locking cap in outer protection tube one end simultaneously, and locking cap internally mounted has the internal thread, after the installation is accomplished, the staff passes through the external screw thread screwed connection of locking cap and outer protection tube one end, thereby ensure the fixed of outer protection tube and first connecting pipe and second connecting pipe, two are installed to the locking cap simultaneously, be convenient for protect outer protection tube both ends, there is the internal thread at the internally mounted of one of them locking cap simultaneously, the internal thread carries out screwed connection with the external screw thread of bellows one end, thereby in the course of the work, make outer protection tube fixed with the bellows.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a bellows-protected sleeve compensator according to the present invention;

fig. 2 is a schematic view of the sleeve compensating outer protection tube with bellows protection according to the present invention;

fig. 3 is a schematic view of a sleeve compensation fixing cap with bellows protection according to the present invention;

fig. 4 is a schematic view of a sleeve compensating rubber seal ring with bellows protection according to the present invention;

fig. 5 is a side view of a bellows-protected sleeve according to the present invention.

Illustration of the drawings:

1. a first connecting pipe; 2. a first fixing cap; 3. a first external thread; 4. an outer protection tube; 5. A bellows; 6. an inner protection tube; 7. a second external thread; 8. a second connecting pipe; 9. a third external thread; 10. a second locking cap; 11. a rubber seal ring; 12. a third fixing cap; 13. a first internal thread; 14. a second internal thread; 15. and (7) sealing the glue.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the sleeve compensation with bellows protection includes a first connection pipe 1 and a second connection pipe 8, a bellows 5 is sleeved at the port of the first connection pipe 1 and the port of the second connection pipe 8, an inner protection pipe 6 is disposed inside the bellows 5, and the inner protection pipe 6 is in contact with the outer side surfaces of the first connection pipe 1 and the second connection pipe 8 respectively.

In this embodiment: through setting up inner protection tube 6 to prevent to appear the space between bellows 5 and the connecting pipe, guarantee the stability in the course of the work, improve its life.

Specifically, outer protection tube 4 is installed in the bellows 5 outside, and outer protection tube 4 both ends inside wall and first connecting pipe 1 and the 8 outer surface contact of second connecting pipe, and outer protection tube 4 one end is provided with first external screw thread 3, and the inside first internal thread 13 that is provided with of outer protection tube 4 other end.

In this embodiment: through setting up outer protection tube 4, be convenient for play the guard action to first connecting

pipe

1 and 8 interface play of second connecting pipe.

Specifically, outer protection tube 4 both sides are provided with first locking cap 2 and second locking cap 10 respectively, first locking cap 2 one side is through the 3 screwed connection of the first external screw thread of internal thread and outer protection tube 4 one side, the third external screw thread 9 of second locking cap 10 one end and the 13 screwed connection of the first internal screw thread of outer protection tube 4 one end, bellows 5 both ends are provided with second external screw thread 7 respectively, second locking cap 10 one end is located the inside second internal screw thread 14 that is provided with of third external screw thread 9, and second locking cap 10 is through the 7 screwed connection of the second external screw thread of second internal screw thread 14 with bellows 5 one end, the inside third locking cap 12 that is provided with of outer protection tube 4, and second locking cap 10 is through the inside internal thread 7 screwed connection of the second external screw thread of bellows 5 one end.

In this embodiment: through setting up first locking cap 2 and second locking cap 10, be convenient for carry out the shutoff through locking cap to outer protection tube 4 both ends and fix to ensure the stability between outer protection tube 4 and the connecting pipe.

Specifically, rubber seal rings 11 are installed at the contact positions of the inner walls of the two ends of the corrugated pipe 5 and the first connecting pipe 1 and the second connecting pipe 8.

In this embodiment: through setting up rubber seal 11, be convenient for seal the contact opening of bellows 5 and connecting pipe to improve its sealing performance.

Specifically, the contact position of the first connecting pipe 1 and the first fixing cap 2 is filled with a sealant 15, and the contact position of the second fixing cap 10 and the second connecting pipe 8 is filled with the sealant 15.

In this embodiment: through setting up sealed glue 15, be convenient for seal the outer protection tube 4 with the connecting pipe contact department to improve its sealing performance.

The working principle is as follows: when in use, firstly, the rubber sealing ring 11 is fixed inside the corrugated pipe 5, then the two ends of the corrugated pipe 5 are sleeved at the two ends of the first connecting pipe 1 and the second connecting pipe 8, meanwhile, the inner protection pipe 6 is arranged inside the corrugated pipe 5, meanwhile, the surfaces of the inner protection pipe 6 and the first connecting pipe 1 and the second connecting pipe 8 are precisely attached, through arranging the inner protection pipe 6, the gap between the corrugated pipe 5 and the connecting pipes is prevented, the stability in the working process is ensured, the service life of the corrugated pipe is prolonged, after the corrugated pipe 5 is installed, the outer protection pipe 4 is sleeved outside the corrugated pipe 5, after the sleeving is completed, a worker is spirally connected with the external thread at one end of the outer protection pipe 4 through the fixing cap, so that the outer protection pipe 4 is fixed with the first connecting pipe 1 and the second connecting pipe 8, meanwhile, the two fixing caps are arranged, and the, meanwhile, an internal thread is arranged in one of the fixing caps and is in threaded connection with an external thread at one end of the corrugated pipe 5, so that the outer protection pipe 4 and the corrugated pipe 5 are fixed in the working process.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Take sleeve compensation of bellows protection, including first connecting pipe (1) and second connecting pipe (8), its characterized in that, bellows (5) have been cup jointed to first connecting pipe (1) and second connecting pipe (8) port department, bellows (5) inside is provided with inner protection pipe (6), inner protection pipe (6) respectively with first connecting pipe (1) and second connecting pipe (8) outside surface contact.

2. The bellows-protected sleeve compensator according to claim 1, wherein an outer protection tube (4) is installed outside the bellows (5), and inner side walls of both ends of the outer protection tube (4) are in contact with outer surfaces of the first connection pipe (1) and the second connection pipe (8), one end of the outer protection tube (4) is provided with a first external thread (3), and the other end of the outer protection tube (4) is internally provided with a first internal thread (13).

3. The bellows-protected sleeve compensation according to claim 2, wherein the outer protective tube (4) is provided on both sides with a first fixing cap (2) and a second fixing cap (10), respectively, wherein one side of the first fixing cap (2) is screwed with the first external thread (3) on one side of the outer protective tube (4) via an internal thread, and wherein a third external thread (9) at one end of the second fixing cap (10) is screwed with the first internal thread (13) at one end of the outer protective tube (4).

4. The bellows-protected sleeve compensator according to claim 3, wherein the bellows (5) is provided at both ends thereof with second external threads (7), one end of the second fixing cap (10) is provided inside the third external threads (9) with second internal threads (14), and the second fixing cap (10) is screwed with the second external threads (7) at one end of the bellows (5) through the second internal threads (14).

5. Bellows-protected sleeve compensation according to claim 2, wherein a third fixing cap (12) is arranged inside the outer protective tube (4) and the second fixing cap (10) is screwed with the second external thread (7) at one end of the bellows (5) by means of an internal thread.

6. The bellows-protected sleeve compensator according to claim 1, wherein rubber sealing rings (11) are installed on the inner walls of both ends of the bellows (5) where they are in contact with the first connecting pipe (1) and the second connecting pipe (8).

7. The bellows-protected sleeve compensation according to claim 3, wherein the first connecting tube (1) is filled with a sealant (15) at the contact point with the first fixing cap (2), and the second fixing cap (10) is filled with a sealant (15) at the contact point with the second connecting tube (8).