CN209960045U

CN209960045U - Connecting pipe fitting

Info

Publication number: CN209960045U
Application number: CN201920113972.XU
Authority: CN
Inventors: 李茜民; 林细勇; 刁振彬; 陈阿莉; 陈文锋
Original assignee: Rifeng Enterprise (tianjin) Co Ltd; Foshan Rifeng Enterprise Co Ltd; Rifeng Enterprise Group Co Ltd; Rifeng Technology Co Ltd
Current assignee: Rifeng Enterprise (tianjin) Co Ltd; Foshan Rifeng Enterprise Co Ltd; Rifeng Enterprise Group Co Ltd; Rifeng Technology Co Ltd
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2020-01-17
Anticipated expiration: 2029-01-23

Abstract

The utility model relates to a connect pipe fitting for the installation docks tubular product, include: the outer wall of the shell is provided with a joint with a sealing ring groove, and the shell component is sleeved on the joint and forms an accommodating cavity with the outer wall of the joint; one end of the shell assembly is clamped with the joint, and the other end of the shell assembly and the outer wall of the end part of the joint form a pipe fitting socket; one side of the containing cavity, which is close to the pipe fitting insertion opening, is provided with a guide ring which is movably sleeved on the joint. The utility model discloses a connect the pipe fitting and need not to the chamfer of tubular product port when tubular product installation butt joint, even tubular product oral area cuts also can easy to assemble to one side, effective protection sealing washer, compact structure, safe and reliable, sealed good, with low costs, effectively improve product competitiveness.

Description

Connecting pipe fitting

Technical Field

The utility model relates to a tubular product field of connecting especially relates to a connect pipe fitting.

Background

How to realize quick assembly and disassembly, convenient maintenance and better sealing performance among the pipe fittings becomes the continuous pursuit of technical personnel in the field of pipe fitting industry. At present, the pipe joint is usually in a clamping and pressing type and nut clamping sleeve type or direct insertion type quick connection structure. The clamp-press type joint needs to be installed by using a special clamp, time and labor are wasted, if the clamp-press type joint is not pressed in place, the sealing performance of a pipe fitting cannot be guaranteed, and if the clamp-press type joint leaks, the pipe fitting cannot be disassembled, and the pipe fitting must be cut off, so that the joint cannot be reused. And nut cutting ferrule formula connects and need twist the nut with the spanner and install, wastes time and energy more, and if the pipe fitting did not insert in place, or installer did not twist the nut tightly, the sealing performance of pipe fitting can not obtain the guarantee equally. And after the pipe fitting is used for a period of time, the nut is easy to loosen, and the sealing performance of the pipe fitting is greatly influenced.

Traditional pipe connection all needs to chamfer the tubular product port before the intubate, and cuts the pipe and can not incline, otherwise very easily will connect the sealing washer in the pipe fitting and crowd bad or release the sealing washer groove, influence the pipe connection leakproofness, and in the in-service use, installer forgets to tubular product port chamfer, or cuts the unqualified and lead to leaking the incident and often take place, causes great loss.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to carry out chamfer or cut the pipe to the tubular product to traditional connecting pipe fitting, reduces work efficiency, and easy installer neglects the problem that leads to the leakage, provides a connecting pipe fitting.

A connecting tube for installing a butt jointed pipe, comprising: the outer wall of the shell is provided with a joint with a sealing ring groove, and the shell component is sleeved on the joint and forms an accommodating cavity with the outer wall of the joint; one end of the shell assembly is clamped with the joint, and the other end of the shell assembly and the outer wall of the end part of the joint form a pipe fitting socket; one side of the containing cavity, which is close to the pipe fitting insertion opening, is provided with a guide ring which is movably sleeved on the joint.

The connecting pipe fitting of the technical scheme does not need chamfering of the pipe port when the pipe is installed and butted, can be conveniently installed even if the pipe opening of the pipe is sheared obliquely, effectively protects a sealing ring, is compact in structure, safe and reliable, good in sealing performance and low in cost, and effectively improves the product competitiveness. Specifically, this technical scheme hold the chamber and be used for holding the tubular product of grafting, tubular product from the pipe fitting socket get into hold the chamber in, and through holding the intracavity and be close to pipe fitting socket one side and set up a guide ring for the tip of tubular product supports the guide ring when holding the chamber in inserting, and through the guide effect of guide ring, inserts to the bottom that holds the chamber, accomplishes the butt joint installation of tubular product. The tubular product tip of this technical scheme supports the guide ring at the insertion process to can not direct and the sealing washer contact of sealing washer inslot, the guide ring effectively protects the sealing washer, and grafting tubular product can need not to accomplish the installation butt joint through special treatment, also need not tedious mounting tool such as spanner, pressure pincers, simple to operate is swift, efficient, and the product yield improves.

Further, the wall thickness of the guide ring is smaller than or equal to the height of the accommodating cavity.

Further, the guide ring comprises a thin ring part attached to the outer wall of the joint and a guide abutting part connected with the thin ring part and having an outer diameter larger than that of the thin ring part; the thin ring part is arranged close to one side of the pipe fitting insertion opening.

Further, the outer diameter of the thin ring part is smaller than or equal to the inner diameter of the pipe, and the outer diameter of the guide abutting-against part is smaller than or equal to the outer diameter of the pipe.

Furthermore, a first clamping groove used for clamping the guide ring is arranged on the joint, a first inclined wall protruding towards the inclined upper side is arranged on one side, away from the pipe fitting inserting opening, of the first clamping groove, and a second inclined wall matched with the first inclined wall is arranged on one side, close to the joint, of the guide abutting-against portion.

Furthermore, a stop part used for being matched with the second inclined wall is arranged at the bottom of the accommodating cavity on the joint; the bottom of the accommodating cavity is one end opposite to the pipe fitting insertion opening.

Furthermore, the shell component is provided with an observation hole for observing the pipe in-place insertion.

Further, the shell assembly comprises a base which is sleeved on the joint and forms the accommodating cavity with the outer wall of the joint, and a shell which is sleeved on the base; the shell with the base joint, just the shell is close to the inner wall of pipe fitting socket one side with the outer wall of joint forms tightens up the chamber, tighten up the chamber with hold the chamber intercommunication, the pipe fitting socket is located tighten up the tip in chamber, just tighten up the size in chamber and to being close to the direction of pipe fitting socket reduces.

Furthermore, an elastic tightening piece which is sleeved on the joint and used for tightening the pipe fitting is arranged on one side, close to the pipe fitting insertion opening, of the tightening cavity.

Further, the elastic tightening piece comprises a tightening ring for holding the pipe tightly and an elastic claw ring for preventing the pipe from being pulled out.

Drawings

Fig. 1 is a schematic structural view of a connecting pipe fitting according to an embodiment of the present invention;

fig. 2 is a first schematic view illustrating a usage state of a connecting pipe according to an embodiment of the present invention;

fig. 3 is a schematic view of a second usage state of the connecting pipe according to the embodiment of the present invention;

FIG. 4 is a schematic view of the guide ring of FIG. 1;

FIG. 5 is a schematic view of the structure of the joint of FIG. 1;

fig. 6 is a schematic structural diagram of a base according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a housing according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a tightening ring according to an embodiment of the present invention;

fig. 9 is a schematic structural view of an elastic claw ring according to an embodiment of the present invention.

10. A joint; 11. a seal ring groove; 12. a first card slot; 121. a first sloped wall; 13. a gear part; 131. a third sloped wall; 14. a through hole; 20. a housing assembly; 21. an accommodating chamber; 22. a pipe fitting socket; 23. an observation hole; 24. a base; 241. a clamping groove; 25. a housing; 251. clamping the fins; 26. a tightening cavity; 30. a guide ring; 31. a thin ring portion; 32. a guide pressing part; 321. a second sloped wall; 40. a pipe; 50. a seal ring; 60. an elastic take up member; 61. tightening the ring; 611. tightening the abutting part; 612. helical teeth; 62. an elastic claw ring; 621. the claws are held in an inclined manner.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

A connecting pipe fitting as shown in fig. 1 for installing a butted pipe 40, comprising: the connector comprises a connector 10 and a shell assembly 20, wherein the outer wall of the connector 10 is provided with a sealing ring groove 11, and the shell assembly 20 is sleeved on the connector 10 and forms an accommodating cavity 21 with the outer wall of the connector 10; one end of the shell assembly 20 is clamped with the joint 10, and the other end of the shell assembly and the outer wall of the end part of the joint 10 form a pipe fitting insertion opening 22; a guide ring 30 movably sleeved on the joint 10 is arranged on one side of the accommodating cavity 21 close to the pipe fitting insertion opening 22.

As shown in fig. 1 and fig. 2 and 3, the connecting pipe fitting of the present embodiment does not need chamfering of the end of the pipe 40 when the pipe 40 is installed and butted, and can be conveniently installed even if the pipe opening of the pipe 40 is cut obliquely, thereby effectively protecting the sealing ring, having compact structure, safety and reliability, excellent sealing performance, low cost, and effectively improving the product competitiveness. Specifically, the accommodating cavity 21 of the present embodiment is used for accommodating the inserted pipe 40, the pipe 40 enters the accommodating cavity 21 from the pipe insertion opening 22, and the guiding ring 30 is disposed in the accommodating cavity 21 close to one side of the pipe insertion opening 22, so that the end of the pipe 40 abuts against the guiding ring 30 when being inserted into the accommodating cavity 21, and is inserted to the bottom of the accommodating cavity 21 through the guiding effect of the guiding ring 30, thereby completing the butt joint installation of the pipe 10. The pipe 10 tip of this embodiment supports guide ring 30 at the insertion process to can not direct and the sealing washer 50 contact in the sealing washer groove 11, guide ring 30 effectively protects sealing washer 50, and grafting pipe 10 can not need not to accomplish the installation butt joint through special treatment, also need not tedious mounting tool such as spanner, pressure pincers, simple to operate is swift, efficient, and the product yield improves.

The wall thickness of the guide ring 30 is less than or equal to the height of the accommodating cavity 21, so that the pipe 10 cannot be plugged difficultly due to too much resistance in the insertion process.

As shown in fig. 4, the guide ring 30 of the present embodiment includes a thin ring portion 31 attached to the outer wall of the joint 10, and a guide pressing portion 32 connected to the thin ring portion 31 and having an outer diameter larger than that of the thin ring portion 31, that is, the guide pressing portion 32 is disposed to protrude from the outer wall of the thin ring portion 31; the thin ring portion 31 is disposed near the pipe insertion opening 22. Because the thin ring part 31 is tightly attached to the outer wall of the joint 10, in the process of inserting the pipe 40, the sealing ring 50 arranged in the sealing ring groove 11 on the outer wall of the joint 10 is contacted with the thin ring part 31, and the thin ring part 31 protects the sealing ring 50 from being damaged by the pipe 40 or extruding out of the sealing ring groove 11; the guiding abutting-against part 32 is used for abutting-against and matching with the end part of the pipe 40, and in the process that the pipe 40 is pushed into the accommodating cavity 21, the guiding abutting-against part 32 is pushed to drive the whole guiding ring 30 to move towards the bottom of the accommodating cavity 21, and finally the installation and butt joint of the pipe 40 are completed.

Further, the outer diameter of the thin ring part 31 is smaller than or equal to the inner diameter of the pipe 40, and the outer diameter of the guide abutting part 32 is smaller than or equal to the outer diameter of the pipe. So that the guide ring 30 protects the sealing ring 50 without too much resistance when pushed into the receiving chamber 21 by the tube 40. When the pipe 40 is installed, the thin ring part 31 is sleeved into the inner hole of the pipe 40, and even if the end surface of the shear pipe is inclined or uneven, the thin ring part can be easily inserted into the bottom of the accommodating cavity 21 through the assistance of the guide ring 30 without damaging the sealing ring 50.

As shown in fig. 1 with reference to fig. 4 and 5, in order to position the initial position of the guide ring 30 and ensure that the resistance is not too large when the guide ring 30 is pushed, a first clamping groove 12 for clamping the guide ring 30 is arranged on the joint 10, the first clamping groove 12 is used for primarily positioning the guide ring 30, a first inclined wall 121 protruding obliquely upward is arranged on one side of the first clamping groove 12 away from the pipe fitting insertion opening 22, a second inclined wall 321 matched with the first inclined wall 121 is arranged on one side of the guide pressing portion 32 close to the joint 10, and the first inclined wall 121 is matched with the second inclined wall 321, so that the guide ring 30 can be quickly separated from the first clamping groove 12 along the inclined wall direction after being pushed by the pipe 40 and can be smoothly pushed into the bottom of the accommodating cavity 21.

As shown in fig. 3 in combination with fig. 4 and 5, after the guide ring 30 is pushed into the bottom of the accommodating cavity 21 by the tubing 40, in order to position the guide ring 30, a stop portion 13 for engaging with the second inclined wall 321 is provided on the bottom of the accommodating cavity 21 on the joint 10, specifically, the stop portion 13 is a convex structure, and a third inclined wall 131 engaging with the second inclined wall 321 is provided on a side close to the tubing insertion opening 22; the bottom of the receiving cavity 21 is the end opposite to the pipe insertion opening 22.

Be equipped with on casing subassembly 20 and be used for observing the observation hole 23 that tubular product 40 pegged graft and target in place, observation hole 23 runs through casing subassembly 20's outer wall, and locate and be close to and hold chamber 21 bottom one side, specifically, the observation hole 23 of this embodiment is just right keep off position portion 13, can directly perceivedly know whether tubular product 40 pegs graft and target in place.

As shown in fig. 6 and 7, the housing assembly 20 includes a base 24 sleeved on the joint 10 and forming the accommodating cavity 21 with the outer wall of the joint 10, and a shell 25 sleeved on the base 24; the shell 25 with the base 24 joint, just the shell 25 is close to the inner wall of pipe fitting socket 22 one side with the outer wall of joint 10 forms and tightens up chamber 26, tighten up chamber 26 with hold the chamber 21 intercommunication, pipe fitting socket 22 is located tighten up the tip in chamber 26, just tighten up the size in chamber 26 and to being close to the direction of pipe fitting socket 22 reduces. When the pipe 40 is installed, the pipe 40 is inserted from the pipe inserting opening 22 and further inserted into the tightening cavity 26 and the accommodating cavity 21, and the size of the tightening cavity 26 is reduced towards the direction close to the pipe inserting opening 22, so that when the pipe 40 is pulled out, the tightening cavity 26 has certain tightening force on the pipe 40, and the pipe 40 is prevented from falling off.

In this embodiment, the base 24 and the housing 25 are clamped by the clamping groove 241 and the clamping fin 251.

Specifically, the viewing aperture 23 extends through the base 24 and the housing 25 and is aligned with the catch 13.

To further enhance the tightening of the inserted tube 40, an elastic tightening member 60 is disposed in the tightening chamber 26 on a side thereof adjacent to the tube insertion opening 22 and is disposed on the coupling 10 for tightening the tube. The tubing 40 is prevented from coming off the fitting 10 by the elastic take up member 60 effectively securing the tubing 40 within the take up cavity 26.

As shown in fig. 1 in conjunction with fig. 8 and 9, the elastic tightener 60 of the present embodiment includes a tightening ring 61 for tightening the tube 40 and an elastic claw ring 62 for preventing the tube 40 from coming out.

The tightening ring 61 is of an annular structure and has certain elasticity, a tightening abutting part 611 with an inner diameter smaller than the outer diameter of the pipe 40 is arranged on the inner wall of the tightening ring 61, the tightening abutting part 611 is arranged around the inner wall of the tightening ring 61, the pipe 40 is inserted into the tightening ring 61 after being inserted into the tightening cavity 26, and the tightening abutting part 611 is used for tightly holding the outer wall of the pipe 40.

Elastic claw ring 62 is the loop configuration, and the inner wall is equipped with the slope of radial inward extension and embraces claw 621, and the slope direction of inclining and embracing claw 621 is by being close to pipe fitting socket 22 one side to keeping away from pipe fitting socket 22 one side slope, and the slope under the free state is embraced claw 621 internal diameter and is sold littleer than tubular product 40, inclines after inserting tubular product 40 and embraces claw 621 and can form the gripping power to the tubular product outer wall and prevent that tubular product 40 from deviating from.

This embodiment elasticity claw ring 62 is located tightening ring 61 and is kept away from pipe fitting socket 22 one side, just tightening ring 61 one end still is equipped with the skewed tooth 612 of convex terminal surface, skewed tooth 612 with the cooperation of claw 621 is embraced in the slope, increases the slope and embraces the rigidity of claw 621, makes it can bear bigger pulling force.

Specifically, the joint 10 of the present embodiment is a through joint, the through hole 14 is formed in the joint 10, the through hole 14 penetrates through two opposite ends of the joint 10, and the housing assembly 20, the guide ring 30 and the elastic tightening member 60 are symmetrically disposed at two ends of the joint 10, so as to realize the butt joint of the two pipes 40. In other embodiments, the fitting 10 may be provided as an elbow, tee fitting, or other number of fittings, with the number of housing assemblies 20, guide rings 30, and elastic retractors 60 all matching the number of ports of the fitting 10.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A connecting tube for installing a butt joint pipe, comprising: the outer wall of the shell is provided with a joint with a sealing ring groove, and the shell component is sleeved on the joint and forms an accommodating cavity with the outer wall of the joint; one end of the shell assembly is clamped with the joint, and the other end of the shell assembly and the outer wall of the end part of the joint form a pipe fitting socket; one side of the containing cavity, which is close to the pipe fitting insertion opening, is provided with a guide ring which is movably sleeved on the joint.

2. A connecting tube according to claim 1, characterised in that the wall thickness of the guide ring is less than or equal to the height of the receiving chamber.

3. A connecting pipe member according to claim 2, wherein said guide ring comprises a thin ring portion fitted to said joint outer wall, and a guide pressing portion connected to said thin ring portion and having an outer diameter larger than said thin ring portion; the thin ring part is arranged close to one side of the pipe fitting insertion opening.

4. A connecting pipe member according to claim 3, wherein an outer diameter of said thin ring portion is equal to or smaller than an inner diameter of said pipe material, and an outer diameter of said guide pressing portion is equal to or smaller than an outer diameter of said pipe material.

5. A connecting pipe fitting as claimed in claim 3, wherein the joint is provided with a first engaging groove for engaging with the guiding ring, one side of the first engaging groove away from the pipe fitting insertion opening is a first inclined wall protruding obliquely upward, and one side of the guiding pressing portion close to the joint is provided with a second inclined wall engaged with the first inclined wall.

6. A connecting tube according to claim 5, characterised in that said joint is provided, at the bottom of said housing chamber, with a stop for engaging with said second inclined wall; the bottom of the accommodating cavity is one end opposite to the pipe fitting insertion opening.

7. A connecting pipe according to claim 1, wherein the housing assembly is provided with a viewing hole for viewing the pipe inserted in place.

8. The connecting tube as claimed in any one of claims 1 to 7, wherein the housing assembly comprises a base fitted over the fitting and forming the receiving chamber with an outer wall of the fitting, and a shell fitted over the base; the shell with the base joint, just the shell is close to the inner wall of pipe fitting socket one side with the outer wall of joint forms tightens up the chamber, tighten up the chamber with hold the chamber intercommunication, the pipe fitting socket is located tighten up the tip in chamber, just tighten up the size in chamber and to being close to the direction of pipe fitting socket reduces.

9. A connecting tube as claimed in claim 8, wherein an elastic tightening member is provided in the tightening chamber on a side thereof adjacent to the tube insertion opening, the elastic tightening member being disposed over the coupling for tightening the tube.

10. A connecting tube as claimed in claim 9, characterized in that said elastic tightening means comprise a tightening ring for gripping the tube and an elastic claw ring for preventing the tube from coming out.