CN206112337U

CN206112337U - Scalable fixed pipe

Info

Publication number: CN206112337U
Application number: CN201621176670.XU
Authority: CN
Inventors: 崔咪笑
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-02
Filing date: 2016-11-02
Publication date: 2017-04-19
Anticipated expiration: 2026-11-02

Abstract

The utility model discloses a scalable fixed pipe, including outer tube, inner tube and sealing washer, the inner tube tip is provided with at least one seal groove, sealed snare is in the seal groove, the cover has the one end of sealing washer to insert in the outer tube on the inner tube, still includes the fixed part, the fixed part sets up outer tube tip department on the inner tube body, the fixed part is used for restricting outer tube and inner tube relative motion. The utility model discloses can make the pipe connections leakproofness better, it is fixed reliable simultaneously, require to hang down to the pipe error in length, can reduce the processing cost of pipe, improve the installation effectiveness of pipe.

Description

A kind of scalable fixing pipe

【Technical field】

This utility model is related to the technical field of pipe fitting, particularly a kind of technical field of scalable fixing pipe.

【Background technology】

Pipeline can be used for transmitting liquids and gases material, and according to the property difference of medium high pressure, low pressure, height can be divided into Fast low speed pipe fitting, in combustion engine mechanical equipment, family and commercial production, can all use hard pipe connections, especially set in machinery Standby upper, because pipeline is complex-shaped, the length of pipeline may be improper, and it is unqualified and give up to often result in the pipe fitting for processing, Market demand is a kind of can be with the pipe fitting of adjustment length, while sealing is tight, fixed reliable.

Patent of invention CN201510276638.2, discloses a kind of flexible fluid hose, need of the invention according to practical situation Will, change the size of body using the scalability of body, it is to avoid pre- not take measurements not pair or needs when arrangement and method for construction changes Again the problem that fluid hose is installed is customized, construction cost is reduced, the engineering time is shortened.But pipe fitting is not disclosed in the patent Two connecting tubes can be well fixed, pipe fitting easily loosens.

【Utility model content】

The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of scalable fixing pipe, can be made Pipe fitting connection sealing more preferably, while fixed reliability, low to tube length error requirements, can reduce the processing cost of pipe, Improve the installation effectiveness of pipe.

For achieving the above object, the utility model proposes a kind of scalable fixing pipe, including outer tube, inner tube and sealing Circle, said inner tube end is provided with least one seal groove, and the sealing ring is enclosed within seal groove, and sealing is cased with said inner tube One end of circle is inserted in outer tube, and also including fixed part, the fixed part is arranged on inner tube body upper exterior tube end, the fixation Portion is used to limit outer tube and inner tube relative motion.

Preferably, the fixed part includes interior swivel nut, external thread sleeve and fixed watt, the interior swivel nut is installed in outer tunnel end Portion, the external thread sleeve covers on inner pipe, and the fixation watt is arranged between interior swivel nut and external thread sleeve inside external thread sleeve, the interior spiral shell Set and external thread sleeve are threaded connection.

Preferably, the fixed part also includes extruding disk and sealing ring, the side that the fixation watt has interior swivel nut is arranged There is extruding disk, the side that the extruding disk has interior swivel nut is provided with sealing ring, and the interior swivel nut and external thread sleeve are threaded connection.

Preferably, the fixation watt includes at least two half cone cylinders, half cone cylinder is combined into cylinder, and the cylinder is transversal The endoporus in face is rectangular, and the outline of the cylinder cross section is trapezoidal.

Preferably, the fixation watt includes whole cone cylinder, the whole cone cylinder is in cone cylinder shape, and the whole cone cylinder sidepiece is arranged and lacked Mouthful, the whole cone cylinder diameter can change under external force, and the endoporus of the whole cone cylinder cross section is rectangular, the whole cone cylinder The outline of cross section is trapezoidal.

Preferably, being provided with connecting portion and compressed part in the external thread sleeve, female thread, institute are provided with the connecting portion Compressed part is stated in cone cylinder shape, the fixation watt is arranged in compressed part, and external screw thread, the outer spiral shell are provided with outside the interior swivel nut Stricture of vagina is engaged with female thread.

Preferably, the sealing ring includes conically shaped and fixed disk, the conically shaped is arranged on fixed disk near outer The side of pipe, the conically shaped is located between outer tube and inner tube, and the conically shaped is used for the gap of sealed outer pipe and inner tube, described Fixed disk is fixed by extruding disk and the extruding of interior swivel nut.

Preferably, the material of the extruding disk is metal or plastic cement.

Preferably, said inner tube end is provided with 3 seal grooves.

Preferably, the outer tube end is provided with bulge loop, the bulge loop skids off outer tube for limiting interior swivel nut.

The beneficial effects of the utility model：This utility model can make two by the way that fixed part is applied in pipe connections Individual pipe is fixedly connected, fixed reliable, is sealed by multiple seal members, good airproof performance, while install, dismantle simply, It is low to tube length error requirements, the processing cost of pipe can be reduced, improve the installation effectiveness of pipe.

Feature of the present utility model and advantage will combine accompanying drawing and be described in detail by embodiment.

【Description of the drawings】

Fig. 1 is a kind of front view of scalable fixing pipe of this utility model；

Fig. 2 is the main view profile of a kind of scalable fixing pipe that this utility model embodiment one is proposed；

Fig. 3 is the front view of whole cone cylinder；

Fig. 4 is the left view of whole cone cylinder；

Fig. 5 is the main view profile of a kind of scalable fixing pipe that this utility model embodiment two is proposed；

Fig. 6 is the decomposing schematic representation figure of the fixed part that embodiment two is proposed；

Fig. 7 is the left view of half cone cylinder；

Fig. 8 is the front sectional view of external thread sleeve；

Fig. 9 is a kind of graphics of scalable fixing pipe of this utility model.

In figure：Swivel nut, 32- external thread sleeves, 321- fixed parts, 322- are compressed in 1- outer tubes, 2- inner tubes, 3- fixed parts, 31- Portion, 33- fixations watt, the whole cone cylinders of 331-, the cone cylinders of 332- half, 34- extruding disks, 35- sealing rings, 4- sealing rings.

【Specific embodiment】

Embodiment one, refering to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 8 and Fig. 9, a kind of scalable fixing pipe of this utility model, including Outer tube 1, inner tube 2 and sealing ring 4, the end of said inner tube 2 is provided with least one seal groove, and the sealing ring 4 is enclosed within seal groove In, one end of sealing ring 4 is cased with said inner tube 2 and is inserted in outer tube 1, also including fixed part 3, the fixed part 3 is arranged on interior The end of 2 body upper exterior tube of pipe 1, the fixed part 3 is used to limit outer tube 1 and the relative motion of inner tube 2, and the fixed part 3 includes Interior swivel nut 31, external thread sleeve 32 and fixed watt 33, the interior swivel nut 31 is installed in the end of outer tube 1, and the external thread sleeve 32 is enclosed within inner tube 2 On, the fixation watt 33 is arranged between interior swivel nut 31 and external thread sleeve 32 inside external thread sleeve 32, the interior swivel nut 31 and external thread sleeve 32 are threaded connection, and the fixation watt 33 includes whole cone cylinder 331, and the whole cone cylinder 331 is in cone cylinder shape, the whole cone cylinder 331 Sidepiece arranges breach, and the diameter of whole cone cylinder 331 can change under external force, whole with the change of the diameter of whole cone cylinder 331 The sidepiece of cone cylinder 331 arranges the width of breach and also can accordingly change, and the endoporus of the cross section of whole cone cylinder 331 is rectangular, institute The outline for stating the cross section of whole cone cylinder 331 is trapezoidal, and in the external thread sleeve 32 connecting portion 321 and compressed part 322 are provided with, described Female thread is provided with connecting portion 321, the compressed part 322 is in cone cylinder shape, and the fixation watt 33 is arranged in compressed part 322, External screw thread is provided with outside the interior swivel nut 31, the external screw thread is engaged with female thread.The material of the extruding disk 34 is metal Or plastic cement, the end of said inner tube 2 is provided with 3 seal grooves.The end of the outer tube 1 is provided with bulge loop, and the bulge loop is used to limit Swivel nut 31 skids off outer tube 1 in system.

Embodiment two, refering to Fig. 1, Fig. 5, Fig. 6, Fig. 8 and Fig. 9, a kind of scalable fixing pipe of this utility model, including outer tube 1st, inner tube 2 and sealing ring 4, the end of said inner tube 2 is provided with least one seal groove, and the sealing ring 4 is enclosed within seal groove, institute State and one end of sealing ring 4 is cased with inner tube 2 is inserted in outer tube 1, also including fixed part 3, the fixed part 3 is arranged on inner tube 2 and manages The end of body upper exterior tube 1, the fixed part 3 is used to limit outer tube 1 and the relative motion of inner tube 2.The interior swivel nut 31, external thread sleeve 32nd, fixed watt 33, extruding disk 34 and sealing ring 35, the interior swivel nut 31 is installed in the end of outer tube 1, and the external thread sleeve 32 is enclosed within interior On pipe 2, the fixation watt 33 is arranged between interior swivel nut 31 and external thread sleeve 32 inside external thread sleeve 32, and the fixation watt 33 has interior spiral shell The side of set 31 is provided with extruding disk 34, and the side that the extruding disk 34 has interior swivel nut 31 is provided with sealing ring 35, the interior spiral shell Set 31 and external thread sleeve 32 are threaded connection, and the fixation watt 33 includes at least two half cone cylinders 332, and half cone cylinder 332 is combined Into cylinder, the endoporus of the cylinder cross section is rectangular, and the outline of the cylinder cross section is trapezoidal, in the external thread sleeve 32 It is provided with connecting portion 321 and compressed part 322, the connecting portion 321 and is provided with female thread, the compressed part 322 is in cone cylinder shape, The fixation watt 33 is arranged in compressed part 322, and external screw thread, the external screw thread and female thread are provided with outside the interior swivel nut 31 Engagement.The sealing ring 35 includes conically shaped and fixed disk, and the conically shaped is arranged on fixed disk near the side of outer tube 1, The conically shaped is located between outer tube 1 and inner tube 2, and the conically shaped is used for the gap of sealed outer pipe 1 and inner tube 2, the fixation Disk is fixed by extruding disk 34 and the extruding of interior swivel nut 31, and the material of the extruding disk 34 is metal or plastic cement, the end of said inner tube 2 Portion is provided with 3 seal grooves, and the end of the outer tube 1 is provided with bulge loop, and the bulge loop skids off outer tube 1 for limiting interior swivel nut 31.

Utility model works process：

In inner tube 2, then a kind of scalable fixing pipe of this utility model in the course of the work, is first enclosed within sealing ring 4 Inner tube 2 is inserted in outer tube 1, is then threaded connection interior swivel nut 31 and external thread sleeve 32, when not applying extruding disk 34 and close During seal ring 35, with the reduction of interior swivel nut 31 and the distance of external thread sleeve 32, fixed watt 33 is extruded, the pressure of fixed watt 33 pairs of inner tubes 2 Power constantly increases, while frictional force constantly increases, is finally reached the purpose of fixed outer tube 1 and inner tube 2, when using the He of extruding disk 34 During sealing ring 35, with the reduction of interior swivel nut 31 and the distance of external thread sleeve 32, by fixed watt of 33 extruding extruding disks 34, by extruding The crush seal ring 35 of disk 34 enters the gap between outer tube 1 and inner tube 2, reaches the mesh in gap between sealed outer pipe 1 and inner tube 2 , while being fixed by fixed watt 33 pairs of inner tubes 2.

A kind of scalable fixing pipe of this utility model, by the way that fixed part 3 is applied in pipe connections, can make two pipes Son is fixedly connected, fixed reliable, is sealed by multiple seal members, good airproof performance, while installing, dismantling simply, to pipe Sub- error in length requirement is low, can reduce the processing cost of pipe, improves the installation effectiveness of pipe.

Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality Scheme after type simple transformation belongs to protection domain of the present utility model.

Claims

1. a kind of scalable fixing pipe, including outer tube (1), inner tube (2) and sealing ring (4), said inner tube (2) end be provided with to Lack a seal groove, during the sealing ring (4) is enclosed within seal groove, one end that sealing ring (4) is cased with said inner tube (2) is inserted in outward In pipe (1), it is characterised in that：Also include fixed part (3), the fixed part (3) is arranged on inner tube (2) body upper exterior tube (1) end At portion, the fixed part (3) is for limiting outer tube (1) and inner tube (2) relative motion.

2. a kind of scalable fixing pipe as claimed in claim 1, it is characterised in that：The fixed part (3) is including interior swivel nut (31), external thread sleeve (32) and fixed watt (33), the interior swivel nut (31) is installed in outer tube (1) end, external thread sleeve (32) set In inner tube (2), the fixation watt (33) is arranged on external thread sleeve (32) inside between interior swivel nut (31) and external thread sleeve (32), described Interior swivel nut (31) and external thread sleeve (32) are threaded connection.

3. a kind of scalable fixing pipe as claimed in claim 2, it is characterised in that：The fixed part (3) also includes extruding disk (34) and sealing ring (35), the side that the fixation watt (33) has interior swivel nut (31) is provided with extruding disk (34), the extruding disk (34) side for having interior swivel nut (31) is provided with sealing ring (35), and the interior swivel nut (31) and external thread sleeve (32) are connected by screw thread Connect.

4. as claimed in claim 2 or claim 3 a kind of scalable fixing pipe, it is characterised in that：The fixation watt (33) is including at least For two and half cone cylinders (332), half cone cylinder (332) is combined into cylinder, and the endoporus of the cylinder cross section is rectangular, and the cylinder is horizontal The outline in section is trapezoidal.

5. as claimed in claim 2 or claim 3 a kind of scalable fixing pipe, it is characterised in that：The fixation watt (33) is including whole cone Cylinder (331), in cone cylinder shape, whole cone cylinder (331) sidepiece arranges breach to the whole cone cylinder (331), and the whole cone cylinder (331) is straight Footpath can change under external force, and the endoporus of whole cone cylinder (331) cross section is rectangular, and the whole cone cylinder (331) is transversal The outline in face is trapezoidal.

6. as claimed in claim 2 or claim 3 a kind of scalable fixing pipe, it is characterised in that：It is provided with the external thread sleeve (32) Female thread is provided with connecting portion (321) and compressed part (322), the connecting portion (321), the compressed part (322) is in cone cylinder Shape, the fixation watt (33) is arranged in compressed part (322), and outside the interior swivel nut (31) external screw thread, the outer spiral shell are provided with Stricture of vagina is engaged with female thread.

7. a kind of scalable fixing pipe as claimed in claim 3, it is characterised in that：The sealing ring (35) including conically shaped and Fixed disk, the conically shaped is arranged on fixed disk near the side of outer tube (1), and the conically shaped is located at outer tube (1) and inner tube (2) between, the conically shaped is used for the gap of sealed outer pipe (1) and inner tube (2), and the fixed disk passes through extruding disk (34) and interior Swivel nut (31) extruding is fixed.

8. a kind of scalable fixing pipe as claimed in claim 7, it is characterised in that：The material of the extruding disk (34) is metal Or plastic cement.

9. a kind of scalable fixing pipe as claimed in claim 1, it is characterised in that：Said inner tube (2) end be provided with 3 it is close Sealing groove.

10. a kind of scalable fixing pipe as claimed in claim 1, it is characterised in that：Outer tube (1) end is provided with convex Ring, the bulge loop skids off outer tube (1) for limiting interior swivel nut (31).