CN206159685U

CN206159685U - Pipe connection

Info

Publication number: CN206159685U
Application number: CN201621142185.0U
Authority: CN
Inventors: 黎达浓
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-10-20
Filing date: 2016-10-20
Publication date: 2017-05-10
Anticipated expiration: 2026-10-20

Abstract

The utility model discloses a pipe connection, including the connecting pipe, connecting pipe outer wall end is provided with the retaining ring mounting groove, install the retaining ring in the retaining ring mounting groove, the end of connecting pipe still overlaps and has the nut, set up threaded hole in the nut, the one end of screw hole is provided with the arch that the round is higher than the screw thread, bellied internal diameter is less than the external diameter of retaining ring. The pipe fitting is connected through adoption suit nut on shown connecting pipe to this product, and passes through the retaining ring prevents the mode that the pipe fitting of nut and connection breaks away from, can realize the high -speed joint installation of pipe fitting and dismantle that installation of effectual reduction pipe connections and required time of dismantlement have improved work efficiency.

Description

A kind of pipe joint

Technical field

This utility model is related to a kind of pipe joint, especially for it is a kind of can Fast Installation dismounting pipe joint.

Background technology

Pipe joint is the part that we are commonly used in commercial production and life, for connecting tube, valve, the fire hose first-class zero Part；The screw thread at traditional pipe joint Chang Yiqi two ends realizes connection, this connected mode operation respectively with the pipeline of required connection Trouble, generally requires substantial amounts of time, inefficiency in installation and removal, and working strength is also larger.

The content of the invention

In order to overcome the deficiencies in the prior art, this utility model provide it is a kind of can with Fast Installation, the pipe joint of dismounting, The time is effectively saved, work efficiency has been improve, is reduced working strength.

This utility model solves the technical scheme adopted by its technical problem：

A kind of pipe joint, includes connecting tube, and the connection pipe outer wall end is provided with back-up ring mounting groove, the back-up ring peace Back-up ring is installed in tankage, the outer wall end is also cased with nut, in the nut, offers screwed hole, the one of the screwed hole End is provided with projection of the circle higher than screw thread, external diameter of the raised internal diameter less than the back-up ring.

Used as the improvement of above-mentioned technical proposal, the connection pipe outer wall end is additionally provided with seal groove, the seal groove position On the outside of the back-up ring mounting groove and sealing ring is installed.

Further, breach is provided with the back-up ring.

Further, external screw thread union joint is also included, the external screw thread union joint is provided with axially extending bore and two ends set respectively It is equipped with the first external screw thread and the second external screw thread, the connection tube end is arranged in the through hole, first external screw thread and institute State nut and constitute threaded connection.

The beneficial effects of the utility model are：This product covers loading nut come connecting tube in shown connecting tube by adopting Part, and by way of being departed from come the pipe fitting for preventing nut and connection the back-up ring, it is possible to achieve the quick connection of pipe fitting is installed And dismounting, the time required for pipe fitting connection installation and removal is effectively reduced, work efficiency is improve.

Description of the drawings

With reference to the accompanying drawings and examples this utility model is further illustrated.

Fig. 1 is structural decomposition diagram of the present utility model；

Fig. 2 is part nut top view of the present utility model；

Fig. 3 is the sectional view in A directions in Fig. 2；

Fig. 4 is mounting structure sectional view of the present utility model；

Fig. 5 is the partial enlarged drawing at dotted line circle position in Fig. 4；

Fig. 6 is second embodiment of the present utility model；

Fig. 7 is the third embodiment of the present utility model.

Specific embodiment

With reference to Fig. 1, Fig. 2, Fig. 3, a kind of pipe joint of the present utility model includes connecting tube 1,1 outer wall of the connecting tube End is provided with back-up ring mounting groove 11, is provided with back-up ring 2 in the back-up ring mounting groove 11, and the outer wall end of the connecting tube 1 is also Nut 3 is cased with, screwed hole 31 in the nut 3, is offered, the screwed hole 31 has externally threaded pipe fitting for connecting end, In order to prevent the nut 3 and the pipe fitting of its connection from coming off from the connecting tube 1, one end of the screwed hole 31 is provided with one Projection 32 of the circle higher than screw thread, external diameter of raised 32 internal diameter less than the back-up ring 2.This product is connected shown by adopting The nut 3 is set with adapter 1 and carrys out connecting pipe, and departed from come the pipe fitting for preventing the nut 3 and connection by the back-up ring 2 Mode, it is possible to achieve the quick connection installation and removal of pipe fitting, effectively reduce required for pipe fitting connection installation and removal Time, improve work efficiency.The connecting tube 1 is straight pipe in the present embodiment, but according to practical situation, such as Fig. 6, figure Shown in 7, the connecting tube 1 can also be bend pipe, tee T etc..

With reference to Fig. 1, Fig. 4, Fig. 5, in order to prevent liquid in pipe from oozing out from the pipe joint position, 1 outer wall of the connecting tube End is additionally provided with seal groove 12, and the seal groove 12 is located on the outside of the back-up ring mounting groove 11 and is provided with sealing ring 4.

With reference to Fig. 1, as the Main Function of the back-up ring 2 is to stop that the nut 3 is slided from the two ends of the connecting tube 1 Go out, therefore the back-up ring 2 is needed with certain rigidity and hardness, in case the back-up ring 2 deforms under extrusion and is unable to reach Stop the effect that the nut 3 is skidded off；But the back-up ring 2 is mounted in inside the back-up ring mounting groove 11, in order that institute The realization installation that back-up ring 2 can be convenient and simple is stated, breach 21 on the back-up ring 2, is provided with.

With reference to Fig. 1, Fig. 4, Fig. 5, for pipe fitting joint position itself has externally threaded pipe fitting, by above-mentioned several parts Just can be very good to realize installing, but for pipe fitting joint position does not have external screw thread but has female pipe fitting, Connection cannot be realized by such scheme, therefore in order to realize that pipe fitting joint position has the connection of female pipe fitting, The pipe joint also includes external screw thread union joint 5, and the external screw thread union joint 5 is provided with axially extending bore 51 and two ends are respectively provided with There are the first external screw thread 52 and the second external screw thread 53,1 end of the connecting tube is arranged in the through hole 51, first external screw thread 52 are threadedly coupled with the composition of the nut 3.The female thread structure at the pipe fitting joint position that second external screw thread 53 is connected with needs Into threaded connection.

The above is better embodiment of the present utility model, but this utility model is not limited to above-described embodiment, As long as which reaches technique effect of the present utility model with any same or similar means, protection model of the present utility model should be all fallen into Within enclosing.

Claims

1. a kind of pipe joint, it is characterised in that：Include connecting tube（1）, the connecting tube（1）Outer wall end is provided with back-up ring peace Tankage（11）, the back-up ring mounting groove（11）Back-up ring is inside installed（2）, the connecting tube（1）Outer wall end is also cased with nut （3）, the nut（3）Screwed hole is offered inside（31）, the screwed hole（31）To be provided with a circle convex higher than screw thread for one end Rise（32）, the projection（32）Internal diameter be less than the back-up ring（2）External diameter.

2. a kind of pipe joint according to claim 1, it is characterised in that：The connecting tube（1）Outer wall end is additionally provided with Seal groove（12）, the seal groove（12）Positioned at the back-up ring mounting groove（11）Outside and sealing ring is installed（4）.

3. a kind of pipe joint according to claim 1, it is characterised in that：The back-up ring（2）On be provided with breach（21）.

4. according to a kind of arbitrary described pipe joint of claim 1-3, it is characterised in that：External screw thread union joint is included also（5）, The external screw thread union joint（5）It is provided with axially extending bore（51）And two ends are respectively arranged with the first external screw thread（52）With the second external screw thread （53）, the connecting tube（1）End is arranged on the through hole（51）It is interior, first external screw thread（52）With the nut（3）Structure Into threaded connection.