CN214947059U

CN214947059U - Anti-pressure high-sealing-performance pipe joint

Info

Publication number: CN214947059U
Application number: CN202120635843.4U
Authority: CN
Inventors: 徐敬和
Original assignee: Zhejiang Feiting Machinery Co ltd
Current assignee: Zhejiang Feiting Machinery Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-30
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to the field of pipe joints, in particular to a strong-pressure-resistant high-sealing-performance pipe joint, which comprises a left joint, wherein a sealing ring is arranged at the inner side of a nut, an inner screw is fixedly connected at the inner side of the nut, an outer screw sleeve is spirally connected at the outer side of the inner screw, a fixed block is fixedly connected at the right end of the outer side of a right joint, a spring is fixedly connected at the top end of the inner side of the fixed block, a clamping block is fixedly connected at the other end of the spring, and a sliding rod is fixedly connected at the outer side of the clamping block. Therefore, the pipe joint can be sealed for a long time, and the sealing performance is improved.

Description

Anti-pressure high-sealing-performance pipe joint

Technical Field

The utility model relates to a coupling field specifically is a high leakproofness coupling of anti high pressure.

Background

The pipe joint is a hydraulic term, is a part for connecting pipelines or installing pipelines on hydraulic components in a hydraulic system, is a general name of a connecting piece which can be assembled and disassembled in a fluid passage, mainly comprises a welding type, a clamping sleeve type, a buckling type and a flaring type, is a connecting tool between pipelines, is a connecting point which can be assembled and disassembled between components and pipelines, plays an indispensable important role in a pipe fitting, is one of two main components of the hydraulic pipeline, is used for linear connection of instruments and the like, is in socket welding or threaded connection, is mainly used for low-pressure pipelines with small calibers, is used for parts which are required to be assembled and disassembled frequently or used for final adjustment of pipelines using threaded pipes, is in a structural form which is preferably a metal surface contact sealing structure, and is in a gasket sealing structural form which is usually used for conveying common pipelines such as water, oil, air and the like, is made of malleable cast iron material.

Current coupling is after long-time the use, and the nut always can independently become flexible, needs the manual work to twist once more, very easily takes place the seepage when the manual work forgets the operation, and meanwhile, current coupling is mostly integrated into one piece, can not carry out length control when using, and application scope is lower, does not have normal work such as greatly influence machinery when suitable coupling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti high leakproofness coupling of pressure to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anti high leakproofness coupling that increases, includes left joint, the right-hand member fixedly connected with slip ring that left side connects, the outside sliding connection of slip ring has the sleeve pipe, the inboard fixedly connected with stiffening rib of sheathed tube inner wall, sheathed tube outside right-hand member fixedly connected with nut, the inboard of nut is equipped with the sealing washer, the inboard fixedly connected with internal thread of nut, the outside screwed connection of internal thread has outer thread cover, the right-hand member fixedly connected with right side of outer thread cover connects, the right side connects outside right-hand member fixedly connected with fixed block, the inboard top fixedly connected with spring of fixed block, the other end fixedly connected with fixture block of spring, the outside fixedly connected with slide bar of fixture block.

Preferably, the reinforcing rib is spirally arranged and is made of an aluminum alloy material.

Preferably, the shape of the sealing ring is annular, and the sealing ring is made of rubber materials.

Preferably, the sealing ring is connected with the inner screw in a sliding mode, and the sealing ring is connected with the left end of the outer sleeve in a sliding mode.

Preferably, the top end of the fixture block is located on the inner side of the fixing block, and the fixture block is connected with the fixing block in a sliding mode.

Preferably, the sliding rod is horizontally arranged and is connected with the fixed block in a sliding manner.

Preferably, the fixture block is vertically arranged, and the fixture block is connected with the right end pipe wall of the right joint in a sliding manner.

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

1. in the utility model, the sealing ring slides to the inner side along the inner screw through the arranged nut, the sealing ring, the inner screw, the outer sleeve, the right joint, the fixed block, the spring, the clamping block and the sliding rod until the sealing ring is tightly attached to the left end of the inner side of the nut, then the right joint is picked up to drive the outer sleeve to be screwed with the inner screw until the left end of the outer sleeve is tightly attached to the sealing ring, and then the spring at the inner side of the fixed block drives the clamping block to be clamped with the right pipe wall of the right joint, thereby avoiding the loosening of the outer sleeve and the inner screw after a long time, further leading the pipe joint to be sealed for a long time and improving the sealing performance;

2. the utility model discloses in, through left side joint, slip ring, sleeve pipe, stiffening rib, nut etc. that set up, through connecting left side joint and external pipeline, the pulling nut makes the nut drive sleeve pipe and slip with the slip ring to prolonged the service distance of coupling fast, through set up the spiral stiffening rib on the intraductal wall of cover, can directly improve the bearing capacity of coupling, can freely carry out length adjustment through this device, improve application scope, avoid influencing normal work such as machinery because of coupling length problem.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the installation structure of the sealing ring of the present invention.

In the figure: 1-left joint, 2-sliding ring, 3-sleeve, 4-nut, 5-sealing ring, 6-external sleeve, 7-right joint, 8-fixing block, 9-spring, 10-clamping block, 11-sliding rod, 12-internal screw and 13-reinforcing rib.

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:

the utility model provides an anti high leakproofness coupling that increases, including left side joint 1, left side joint 1's right-hand member fixedly connected with slip ring 2, the outside sliding connection of slip ring 2 has sleeve pipe 3, thereby make slip ring 2 and sleeve pipe 3 freely slide, and then increase of service life, improve the application scope of device, the inboard fixedly connected with stiffening rib 13 of sleeve pipe 3's inner wall, sleeve pipe 3's outside right-hand member fixedly connected with nut 4, the inboard of nut 4 is equipped with sealing washer 5, the inboard fixedly connected with internal screw 12 of nut 4, the outside screwed connection of internal screw 12 has outer cover 6, the right-hand member fixedly connected with right side joint 7 of outer cover 6, right side joint 7 outside right-hand member fixedly connected with fixed block 8, the inboard top fixedly connected with spring 9 of fixed block 8, the other end fixedly connected with fixture block 10 of spring 9, the outside fixedly connected with slide bar 11 of fixture block 10.

The reinforcing rib 13 is spirally arranged, the reinforcing rib 13 is made of an aluminum alloy material, and the reinforcing rib 13 can obviously improve the strength of the inner wall of the sleeve 3; the sealing ring 5 is annular, the sealing ring 5 is made of rubber materials, and the rubber materials 5 are more corrosion-resistant and have elasticity, so that the sealing performance can be better provided; the sealing ring 5 is connected with the inner screw 12 in a sliding manner, and the sealing ring 5 is connected with the left end of the outer sleeve 6 in a sliding manner, so that the sealing ring 5 is separated from a gap after the inner screw 12 and the outer sleeve 6 are screwed, and better sealing is realized; the top end of the fixture block 10 is positioned at the inner side of the fixed block 8, and the fixture block 10 is in sliding connection with the fixed block 8, so that the fixture block 10 can stably slide in the fixed block 8; the sliding rod 11 is horizontally arranged, the sliding rod 11 is connected with the fixed block 8 in a sliding manner, and the sliding rod 11 can drive the clamping block 10 to move synchronously; the fixture block 10 is vertically arranged, the fixture block 10 is slidably connected with the right end pipe wall of the right connector 7, and the fixture block 10 is slidably connected with the right end pipe wall of the right connector 7 to prevent the right connector 7 from loosening.

The working process is as follows: the pipe joint is one of two main components of a hydraulic pipeline, after a left joint 1 is connected with a mechanical pipeline, the length adjustment of the pipe joint can be realized through a sliding ring 2 and a sleeve 3, so that the application range of the pipe joint is greatly improved, a spiral reinforcing rib 13 is arranged on the inner side of the sleeve 3, the bearing capacity of the inner wall of the pipe joint can be obviously improved, a sealing ring 5 slides inwards along an inner screw 12 until the sealing ring is attached to the left end of the inner side of a nut 4, then a right joint 7 is taken up to drive an outer screw sleeve 6 to be screwed with the inner screw 12 until the left end of the outer screw sleeve 6 is attached to a sealing ring 5, and then a spring 9 on the inner side of a fixing block 8 drives a clamping block 10 to be clamped with the pipe wall of the right end of the right joint 7, therefore, the outer thread sleeve 6 and the inner thread 12 are prevented from being loosened after a long time, the pipe joint can be sealed for a long time, and the sealing performance is improved.

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. The utility model provides a high leakproofness coupling of anti pressure, includes left joint (1), its characterized in that: the right end of the left joint (1) is fixedly connected with a sliding ring (2), the outer side of the sliding ring (2) is connected with a sleeve (3) in a sliding way, the inner side of the inner wall of the sleeve (3) is fixedly connected with a reinforcing rib (13), the right end of the outer side of the sleeve (3) is fixedly connected with a nut (4), a sealing ring (5) is arranged on the inner side of the nut (4), an inner screw (12) is fixedly connected with the inner side of the nut (4), the outer side of the inner screw (12) is spirally connected with an outer sleeve (6), the right end of the outer sleeve (6) is fixedly connected with a right joint (7), the right end of the outer side of the right joint (7) is fixedly connected with a fixed block (8), the top end of the inner side of the fixed block (8) is fixedly connected with a spring (9), the other end of the spring (9) is fixedly connected with a clamping block (10), and the outer side of the clamping block (10) is fixedly connected with a sliding rod (11).

2. A high pressure resistant, high sealing pipe joint as claimed in claim 1, wherein: the reinforcing ribs (13) are arranged spirally, and the reinforcing ribs (13) are made of aluminum alloy materials.

3. A high pressure resistant, high sealing pipe joint as claimed in claim 1, wherein: the sealing ring (5) is annular, and the sealing ring (5) is made of rubber materials.

4. A high pressure resistant, high sealing pipe joint as claimed in claim 1, wherein: the sealing ring (5) is connected with the inner screw (12) in a sliding mode, and the sealing ring (5) is connected with the left end of the outer sleeve (6) in a sliding mode.

5. A high pressure resistant, high sealing pipe joint as claimed in claim 1, wherein: the top end of the clamping block (10) is located on the inner side of the fixing block (8), and the clamping block (10) is connected with the fixing block (8) in a sliding mode.

6. A high pressure resistant, high sealing pipe joint as claimed in claim 1, wherein: the sliding rod (11) is horizontally arranged, and the sliding rod (11) is connected with the fixed block (8) in a sliding mode.

7. A high pressure resistant, high sealing pipe joint as claimed in claim 1, wherein: the fixture block (10) is vertically arranged, and the fixture block (10) is connected with the right end pipe wall of the right joint (7) in a sliding mode.