CN212407891U

CN212407891U - Pipe fitting convenient to shrink and extend

Info

Publication number: CN212407891U
Application number: CN201922100565.8U
Authority: CN
Inventors: 陈光明; 杨立蕊; 付学波
Original assignee: Tianjin Jinfeng Pipe Industry Co ltd
Current assignee: Tianjin Jinfeng Pipe Industry Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2021-01-26
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a pipe fitting convenient to shrink extension, including first extension and fixed pipe, first extension has been cup jointed in the inboard activity of left end of fixed pipe, the second extension has been cup jointed in the inboard activity of right-hand member of fixed pipe, the equal fixed mounting in the one end outside that first extension and second extension were carried on the back mutually has the bearing. This pipe fitting convenient to shrink extension, can be according to length and the interval needs that actual pipeline laid, stretch or promote first extension pipe and second extension pipe through the manual work, make the conflict dog can carry out reciprocating motion along spacing slide, make first extension pipe and second extension pipe can outwards extend or inwards shrink, thereby realize the extension or the shrink of whole pipe fitting, make the pipe fitting can carry out real-time butt joint with the body at both ends, avoid the too big or undersize of interval to need to carry out the body and cut, cause the waste and the increase of cost of material, the restriction that the pipe fitting connection used has been reduced.

Description

Pipe fitting convenient to shrink and extend

Technical Field

The utility model relates to a pipe fitting technical field specifically is a pipe fitting convenient to shrink and extend.

Background

The pipe fittings are general names of parts playing roles in connection, control, diversion, sealing, support and the like in a pipeline system, steel pipe fittings are pressure-bearing pipe fittings and are divided into four categories according to different processing technologies, namely butt welding pipe fittings (including welding seams and non-welding seams), socket welding and threaded pipe fittings, flange pipe fittings and various types of pipe fittings, and the steel pipe fittings are classified according to purposes, connection, materials and processing modes.

The pipe fitting that uses at present generally is fixed as an organic whole at the in-process of connecting, if body connection length is not enough at the in-process that connecting line used, still need carry out the scene with the body occasionally and cut just can use, has caused certain material waste, has increased and has connected use cost, has increased staff's work load simultaneously, has reduced the overall efficiency that the pipeline laid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe fitting convenient to shrink extension to it is generally fixed as an organic whole at the in-process of connecting to propose the pipe fitting of using at present among the above-mentioned background art, if body coupling length is not enough at the in-process that connecting line used, still need carry out the scene with the body occasionally and cut just can use, it is extravagant to have caused certain material, has increased the connection use cost, has increased staff's work load simultaneously, has reduced the problem of the overall efficiency that the pipeline laid.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipe fitting convenient to shrink extension, includes first extension pipe and fixed pipe, first extension pipe has been cup jointed in the inboard activity of left end of fixed pipe, the second extension pipe has been cup jointed in the inboard activity of right-hand member of fixed pipe, the equal fixed mounting in the one end outside that first extension pipe and second extension pipe carried on the back mutually has the bearing, first extension pipe and second extension pipe are close to the inside both sides surface of fixed pipe and have all seted up the constant head tank, the inboard equal fixed mounting of constant head tank has spacing section of thick bamboo, spacing section of thick bamboo's inboard all has the torsional spring through connecting block fixed mounting, the equal fixed mounting of the one end that the torsional spring carried on the back mutually has conflict dog, spacing slide has all been seted up to the fixed pipe both sides inner wall.

Preferably, the outside of bearing is fixed mounting respectively has first connector and second connector, and the surface of first connector and second connector all is provided with the spread groove.

Preferably, the inner side surfaces of the connecting grooves are provided with anti-falling threads, and the bottoms of the connecting grooves are provided with liquid guide ports.

Preferably, the joint of the fixed pipe and the first and second extension pipes is provided with a sealing ring, and the sealing ring is made of rubber with good corrosion resistance.

Preferably, the length of the limiting slide way is slightly smaller than the length of the inner wall of the fixed pipe, and two ends of the limiting slide way are of a closed structure.

Preferably, the first connector and the second connector have a diameter equal to that of the fixed pipe, and the liquid guide port has a diameter equal to that of the first extension pipe and the second extension pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

this pipe fitting convenient to shrink extension, through fixed pipe, first extension pipe, the second extension pipe, a bearing, the constant head tank, the torsional spring, a spacing section of thick bamboo, cooperation between conflict dog and the spacing slide is used, length and interval needs that can conveniently lay according to actual pipeline, stretch or promote first extension pipe and second extension pipe through the manual work, make conflict dog carry out reciprocating motion along spacing slide, make first extension pipe and second extension pipe can outwards extend or inwards shrink, thereby realize the extension or the shrink of whole pipe fitting, make the pipe fitting can carry out real-time butt joint with the body at both ends, avoid the too big or undersize of interval to carry out the body and cut, cause the waste of material and the increase of cost, the restriction that the pipe fitting connection used has been reduced.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural view of an extension pipe part of the present invention;

fig. 3 is a schematic view of the internal structure of the fixing tube of the present invention.

In the figure: 1. a first connector head; 2. a bearing; 3. a first extension pipe; 4. a fixed tube; 5. a seal ring; 6. a second extension pipe; 7. a second connector head; 8. connecting grooves; 9. a liquid guide port; 10. positioning a groove; 11. a limiting cylinder; 12. abutting against the stop block; 13. a torsion spring; 14. connecting blocks; 15. thread falling prevention; 16. and a limiting slide way.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a pipe fitting convenient for contraction and extension comprises a first extension pipe 3 and a fixed pipe 4, wherein the inner side of the left end of the fixed pipe 4 is movably sleeved with the first extension pipe 3, the inner side of the right end of the fixed pipe 4 is movably sleeved with a second extension pipe 6, the outer sides of the back ends of the first extension pipe 3 and the second extension pipe 6 are fixedly provided with a bearing 2, the two side surfaces of the first extension pipe 3 and the second extension pipe 6, which are close to the inner part of the fixed pipe 4, are respectively provided with a positioning groove 10, the inner sides of the positioning grooves 10 are respectively and fixedly provided with a limiting cylinder 11, the inner sides of the limiting cylinders 11 are respectively and fixedly provided with a torsion spring 13 through a connecting block 14, the back ends of the torsion springs 13 are respectively and fixedly provided with a collision block 12, the inner walls of the two sides of the fixed pipe 4, which correspond to the collision blocks 12, are respectively provided with a limiting slide way 16, the first extension pipe 3 and, make conflict dog 12 can carry out reciprocating motion along spacing slide 16, make first extension pipe 3 and second extension pipe 6 can outwards extend or inside shrink to realize the extension or the shrink of whole pipe fitting, make the pipe fitting can carry out real-time butt joint with the body at both ends, avoid the too big or undersize of interval to need carry out the body and cut, avoided causing the waste of material and the increase of cost.

The utility model discloses in: the outside of bearing 2 is fixed mounting respectively has first connector 1 and second connector 7, and the surface of first connector 1 and second connector 7 all is provided with spread groove 8, can make the installation convenient more fast with the dismantlement.

The utility model discloses in: the inboard surface of spread groove 8 all is provided with anticreep screw thread 15, and spread groove 8's bottom has all seted up drain 9, and the firm effect that multiplicable pipe fitting and body are connected.

The utility model discloses in: the joints of the fixed pipe 4, the first extension pipe 3 and the second extension pipe 6 are provided with sealing rings 5, and the sealing rings 5 are made of rubber with good corrosion resistance, so that the pipeline sealing performance in the long-term use process can be improved.

The utility model discloses in: the length of the limiting slide way 16 is slightly smaller than the length of the inner wall of the fixed pipe 4, and the two ends of the limiting slide way 16 are of a closed structure, so that the extension pipe can be prevented from falling off in the adjusting and moving process.

The utility model discloses in: the diameter of first connector 1 and second connector 7 equals with the diameter of fixed pipe 4, and the diameter of drain port 9 equals with the diameter of first extension pipe 3 and second extension pipe 6, can make the more smooth-going that can link up among the water conservancy diversion process, and the pipeline diameter is different to lead to body internal pressure to change to cause the damage to the pipeline.

The working principle is as follows: before the pipe fitting convenient for contraction and extension is used, the pipe fitting convenient for contraction and extension needs to be checked to check whether each part is intact or not, and the pipe fitting can be used after the check is finished, when the pipeline laying work is required, firstly, according to the requirements of the length and the spacing of the actual pipeline laying, the first extension pipe 3 and the second extension pipe 6 are manually stretched or pushed, so that the collision stopper 12 can reciprocate along the limit slide way 16, the first extension pipe 3 and the second extension pipe 6 can extend outwards or contract inwards, thereby realize the extension or the shrink of whole pipe fitting, make the pipe fitting can carry out real-time butt joint with the body at both ends, avoid the too big or undersize of interval to need carry out the body and cut, avoided causing the waste of material and the increase of cost, reduced the restriction that the pipe fitting was connected and is used, make the flexibility that the pipe fitting used better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pipe fitting facilitating contraction and extension, comprising a first extension pipe (3) and a fixed pipe (4), characterized in that: first extension pipe (3) have been cup jointed in the inboard activity of left end of fixed pipe (4), second extension pipe (6) have been cup jointed in the inboard activity of right-hand member of fixed pipe (4), first extension pipe (3) and the equal fixed mounting in the one end outside that second extension pipe (6) carried on the back mutually have bearing (2), constant head tank (10) have all been seted up on both sides surface that first extension pipe (3) and second extension pipe (6) are close to fixed pipe (4) inside, the inboard all fixed mounting of constant head tank (10) has spacing section of thick bamboo (11), the inboard of spacing section of thick bamboo (11) all has torsional spring (13) through connecting block (14) fixed mounting, the equal fixed mounting of the one end that torsional spring (13) carried on the back mutually has conflict dog (12), spacing slide (16) have all been seted up to fixed pipe (4) both sides inner wall that conflict dog (12) correspond.

2. A tube for facilitating contraction and extension according to claim 1, wherein: the outside of bearing (2) is fixed mounting respectively has first connector (1) and second connector (7), and the surface of first connector (1) and second connector (7) all is provided with spread groove (8).

3. A tube for facilitating contraction and extension according to claim 2, wherein: the inside surface of spread groove (8) all is provided with anticreep screw thread (15), and the bottom of spread groove (8) has all seted up drain mouth (9).

4. A tube for facilitating contraction and extension according to claim 1, wherein: the joint of the fixed pipe (4) and the first extension pipe (3) and the joint of the second extension pipe (6) are provided with sealing rings (5), and the sealing rings (5) are made of rubber with good corrosion resistance.

5. A tube for facilitating contraction and extension according to claim 1, wherein: the length of the limiting slide way (16) is slightly smaller than the length of the inner wall of the fixed pipe (4), and the two ends of the limiting slide way (16) are of a closed structure.

6. A tube for facilitating contraction and extension according to claim 2, wherein: the diameter of first connector head (1) and second connector head (7) equals the diameter of fixed pipe (4), and the diameter of drain mouth (9) equals the diameter of first extension pipe (3) and second extension pipe (6).