CN213089033U - External thread loose joint with detachable conical pad - Google Patents

Abstract

The utility model discloses an outer silk loose joint with can dismantle toper pad, including the coupling, be provided with the external screw thread on the coupling, be provided with the dismouting piece on the coupling, be provided with the connecting pipe on the dismouting piece, be provided with the stopper on the connecting pipe, the toper pad has been cup jointed on the connecting pipe, it is female to be provided with the activity lock on the connecting pipe, the first recess of a plurality of has been seted up on the female inside wall of activity lock, seted up on the stopper with the corresponding second recess of first recess, first recess with be provided with compression spring between the second recess, the female inside of activity lock is provided with first step groove and second step groove, first step groove supports and ends on the stopper, be provided with the internal thread on the second step groove. The utility model discloses be provided with the detachable toper pad, guarantee the good leakproofness of junction, be convenient for change, possess certain pretightning force, guarantee the stability of connecting, it is more reliable.

Description

External thread loose joint with detachable conical pad

Technical Field

The utility model relates to a pipe fitting technical field specifically is an outer silk loose joint with can dismantle toper pad.

Background

The common pipeline connecting piece with the external thread flexible connection and convenient assembly and disassembly mainly comprises a nut, a cloud head and a butt joint, can be applied to pipelines with different calibers, and can also be applied to water meters and valves. Because of adopting the socket structure, the pipeline joint reduces the cost and is very convenient to install, use and maintain.

The sealing performance of the pipe joint of the existing external thread loose joint is poor, leakage is easy to occur after connection, and the locking nut is fixed, and the locking nut can also be loosened and easily leaked after long-time use due to the fact that water flow can cause pipeline vibration.

Disclosure of Invention

An object of the utility model is to provide an outer silk loose joint with can dismantle toper pad to the leakproofness that proposes its coupling department in solving above-mentioned background art is not good, easily takes place to leak after connecting, and the lock mother is in fixed back, because rivers can arouse the pipeline vibrations, long-time back of using, the lock mother also can take place to relax, also easily takes place the problem of leaking.

In order to achieve the above object, the utility model provides a following technical scheme: an external thread loose joint with a detachable conical cushion comprises a pipe joint, wherein external threads are arranged on the pipe joint, a dismounting block is arranged on the pipe joint, a connecting pipe is arranged on the dismounting block, a limiting block is arranged on the connecting pipe, the conical cushion is sleeved on the connecting pipe, and a movable lock nut is arranged on the connecting pipe;

the movable lock is characterized in that a plurality of first grooves are formed in the inner side wall of the movable lock nut, second grooves corresponding to the first grooves are formed in the limiting block, compression springs are arranged between the first grooves and the second grooves, first step grooves and second step grooves are formed in the movable lock nut, the first step grooves abut against the limiting block, and internal threads are formed in the second step grooves.

Preferably, the cross section of the dismounting block is of a regular polygon structure.

Preferably, the pipe joint, the dismounting block, the connecting pipe and the limiting block are of an integrated structure.

Preferably, the connecting pipe is provided with a plurality of first annular grooves, and the first annular grooves are provided with wear-resistant rings.

Preferably, a second annular groove is formed in the first step groove, a sealing ring is arranged in the second annular groove, and the sealing ring abuts against the outer ring of the limiting block.

Preferably, the sealing ring is an O-shaped rubber sealing ring.

Preferably, four first grooves are formed in the inner side wall of the movable locking nut.

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

(1) the conical pad is arranged on the connecting pipe, so that the pipeline can be well sealed when the pipe joint is connected, and the good sealing performance of the connecting part is ensured;

(2) the conical cushion is sleeved on the connecting pipe, so that the conical cushion can be conveniently detached and replaced;

(3) through set up a plurality of compression springs between stopper and activity lock mother, can make the activity lock mother possess certain pretightning force, can not relax because of the vibrations of pipeline after the locking, guarantee the stability of connecting, it is more reliable.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a pipe joint; 2. an external thread; 3. disassembling and assembling the blocks; 4. a connecting pipe; 5. a limiting block; 6. a tapered pad; 7. a movable lock nut; 8. a first groove; 9. a second groove; 10. a compression spring; 11. a first step groove; 12. a second stepped groove; 13. a first annular groove; 14. a wear ring; 15. a second annular groove; 16. and (5) sealing rings.

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. 1-4, the present invention provides an embodiment: an external thread loose joint with a detachable conical cushion comprises a pipe joint 1, wherein external threads 2 are arranged on the pipe joint 1, a dismounting block 3 is arranged on the pipe joint 1, a connecting pipe 4 is arranged on the dismounting block 3, a limiting block 5 is arranged on the connecting pipe 4, the conical cushion 6 is sleeved on the connecting pipe 4, and a movable locking nut 7 is arranged on the connecting pipe 4;

through set up the toper pad 6 on connecting pipe 4, can well seal the pipeline when connecting pipe joint 1, guarantee the good leakproofness of junction, toper pad 6 cup joints at connecting pipe 4 for toper pad 6 can conveniently be dismantled, is convenient for change.

A plurality of first grooves 8 are formed in the inner side wall of the movable lock nut 7, a second groove 9 corresponding to the first groove 8 is formed in the limiting block 5, a compression spring 10 is arranged between the first groove 8 and the second groove 9, one end of the compression spring 10 is welded to the groove wall of the first groove 8, the other end of the compression spring 10 is movably connected into the second groove 9, a first step groove 11 and a second step groove 12 are formed in the movable lock nut 7, the first step groove 11 abuts against the limiting block 5, and an internal thread is formed in the second step groove 12;

through set up a plurality of compression spring 10 between stopper 5 and the activity lock mother 7, can make the activity lock mother 7 possess certain pretightning force, can not relax because of the vibrations of pipeline after the locking, guarantee the stability of connecting, it is more reliable.

In this embodiment, specifically, the cross section of the dismounting block 3 is a regular polygon structure, which facilitates dismounting the dismounting block 3 by a dismounting tool.

In this embodiment, specific, coupling 1, dismouting piece 3, connecting pipe 4 and stopper 5 formula structure as an organic whole, this main part is pure copper structure, is difficult for rustting, and intensity is high.

In this embodiment, specifically, the connecting pipe 4 is provided with a plurality of first annular grooves 13, and the first annular grooves 13 are provided with wear-resistant rings 14, so that the movable locking nut 7 is not easy to abrade the connecting pipe 4 when sliding.

In this embodiment, specifically, a second annular groove 15 is formed in the first step groove 11, a sealing ring 16 is arranged in the second annular groove 15, the sealing ring 16 is an O-shaped rubber sealing ring, and the sealing ring 16 abuts against an outer ring of the limiting block 5, so that the movable lock nut 7 is ensured to have good sealing performance after being fixed.

In this embodiment, specifically, four first grooves 8 are provided on the inner side wall of the movable locking nut 7, so that enough compression springs 10 can be installed, and the movable locking nut 7 has enough pre-tightening force.

The structure principle is as follows: the utility model discloses when using, through set up toper pad 6 on connecting pipe 4, can carry out good sealing to the pipeline when connecting butt joint 1, guarantee the good leakproofness of junction, toper pad 6 cup joints at connecting pipe 4, make toper pad 6 conveniently dismantle, be convenient for change, through set up a plurality of compression spring 10 between stopper 5 and activity lock mother 7, can make activity lock mother 7 possess certain pretightning force, can not relax because of the vibrations of pipeline after the locking, guarantee the stability of connecting, it is more reliable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. An external thread loose joint with a detachable conical cushion comprises a pipe joint (1), and is characterized in that: the pipe joint (1) is provided with an external thread (2), the pipe joint (1) is provided with a dismounting block (3), the dismounting block (3) is provided with a connecting pipe (4), the connecting pipe (4) is provided with a limiting block (5), the connecting pipe (4) is sleeved with a conical pad (6), and the connecting pipe (4) is provided with a movable locking nut (7);

a plurality of first grooves (8) are formed in the inner side wall of the movable lock nut (7), second grooves (9) corresponding to the first grooves (8) are formed in the limiting block (5), compression springs (10) are arranged between the first grooves (8) and the second grooves (9), first step grooves (11) and second step grooves (12) are formed in the movable lock nut (7), the first step grooves (11) are abutted to the limiting block (5), and internal threads are formed in the second step grooves (12).

2. The external thread loose joint with the detachable taper pad as claimed in claim 1, wherein: the cross section of the dismounting block (3) is of a regular polygon structure.

3. The external thread loose joint with the detachable taper pad as claimed in claim 1, wherein: the pipe joint (1), the dismounting block (3), the connecting pipe (4) and the limiting block (5) are of an integrated structure.

4. The external thread loose joint with the detachable taper pad as claimed in claim 1, wherein: the connecting pipe (4) is provided with a plurality of first annular grooves (13), and the first annular grooves (13) are provided with wear-resistant rings (14).

5. The external thread loose joint with the detachable taper pad as claimed in claim 1, wherein: a second annular groove (15) is formed in the first step groove (11), a sealing ring (16) is arranged in the second annular groove (15), and the sealing ring (16) abuts against the outer ring of the limiting block (5).

6. The external thread loose joint with the detachable taper pad as claimed in claim 5, wherein: the sealing ring (16) is an O-shaped rubber sealing ring.

7. The external thread loose joint with the detachable taper pad as claimed in claim 1, wherein: four first grooves (8) are arranged on the inner side wall of the movable lock nut (7).

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