CN218063771U

CN218063771U - Hydraulic joint pipe connection conversion piece

Info

Publication number: CN218063771U
Application number: CN202220973188.8U
Authority: CN
Inventors: 施兴广; 黄明凡; 顾一雷; 王涌潮; 向敏
Original assignee: Zhejiang Haigwei Hydraulic Technology Co ltd
Current assignee: Zhejiang Haigwei Hydraulic Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-12-16
Anticipated expiration: 2032-04-25

Abstract

The application relates to a hydraulic joint pipe connection conversion piece, which belongs to the technical field of hydraulic pipe connection pieces and comprises a base joint connected with a hydraulic joint pipe and a conversion joint which is connected with another hydraulic pipe and is detachably connected to the base joint; the conversion joint comprises a conversion sleeve connected with the basic joint, a tail clamp arranged on one side of the conversion sleeve, which is far away from the basic joint, and a tail sleeve in threaded connection with the tail clamp; the tail sleeve moves close to or away from the basic joint on the tail clamp, and when the tail sleeve moves towards the direction close to the basic joint, the tail clamp limits and clamps hydraulic pipes of different specifications. This application has the effect of the butt joint of realizing between the different specification hydraulic joint pipes.

Description

Hydraulic joint pipe connection conversion piece

Technical Field

The application relates to the technical field of hydraulic pipe connectors, in particular to a hydraulic connector pipe connection conversion piece.

Background

The hydraulic pipe is mainly used for conveying hydraulic oil, and the hydraulic pipe joint is connected with the hydraulic pipe mainly for hydraulic pipe connection, installation and convenient maintenance. Due to different types of hydraulic pipes, hydraulic pipe joints with various specifications exist in the market, such as a ferrule type hydraulic joint, a flared hydraulic joint and the like.

However, the hydraulic pipes of different specifications correspond to the hydraulic joints of different specifications, and the hydraulic pipe joints of different specifications are difficult to adapt to each other, so that the difficulty is increased for maintenance and disassembly and replacement of maintenance personnel after the hydraulic equipment is damaged, and the hydraulic pipe joints of different specifications need to be assembled when the hydraulic pipe joints of different standards are disassembled.

SUMMERY OF THE UTILITY MODEL

In order to realize the butt joint between the different specification hydraulic joint pipes, this application provides a conversion piece is connected to hydraulic joint pipe.

The application provides a hydraulic joint union coupling converting piece adopts following technical scheme:

a hydraulic joint pipe connection conversion piece comprises a base joint connected with a hydraulic joint pipe and a conversion joint sleeved on another hydraulic pipe and detachably connected to the base joint;

the conversion joint comprises a conversion sleeve connected with the basic joint, a tail clamp arranged on one side of the conversion sleeve, which is far away from the basic joint, and a tail sleeve in threaded connection with the tail clamp;

the tail sleeve moves close to or away from the basic joint on the tail clamp, and when the tail sleeve moves towards the direction close to the basic joint, the tail clamp limits and clamps hydraulic pipes of different specifications.

Through adopting above-mentioned technical scheme, one of them hydraulic pressure pipe and basic articulate, the hydraulic pressure pipe that needs the butt joint is connected with the crossover sub, rotates the tail cover and makes the tail cover to the direction removal that is close to basic joint for the tail presss from both sides tightly the hydraulic pressure pipe, can adjust the distance that the tail cover connects to the basis through rotating the tail cover after the crossover sub cover is located the hydraulic pressure pipe of different specifications, makes the tail press from both sides the hydraulic pressure pipe of pressing from both sides tight different specifications, and then the conversion between the hydraulic pressure pipe of different specifications.

Optionally, the tail sleeve is sleeved on the tail clamp, a tapered hole through which the hydraulic pipe passes is formed in the tail sleeve, and the tail clamp comprises at least two clamping pieces which are located in the tapered hole and clamp the hydraulic pipe tightly.

Through adopting above-mentioned technical scheme, the tail cover connects the in-process that is close to the basis, and the clamping piece is close to each other gradually under the extrusion of bell mouth, and then presss from both sides the hydraulic pressure pipe tight spacing, can make the clamping piece press from both sides the hydraulic pressure pipe tight spacing of different specifications through the bell mouth simultaneously.

Optionally, the clamping piece is provided with a barb which makes the hydraulic pipe not easy to disengage from the conical hole.

Through adopting above-mentioned technical scheme, under the clamping piece with the tight condition of hydraulic pressure pipe clamp, the setting of barb makes being connected between hydraulic pressure pipe and the crossover sub more stable, and then makes the hydraulic pressure pipe difficult by extracting from the bell mouth.

Optionally, the clamping piece is provided with an inclined surface which is convenient for the clamping piece to be attached to the inner wall of the conical hole.

Through adopting above-mentioned technical scheme, the setting on inclined plane for the clamping piece fits in the inner wall in bell mouth, and then makes the clamping piece receive behind the extrusion force to the tight back of hydraulic pressure pipe clamp more stable.

Optionally, the adapter further comprises an elastic ring;

the conversion sleeve is provided with a splicing hole for inserting the elastic ring, the elastic ring is arranged in the splicing hole, the elastic ring is provided with a through hole for inserting a hydraulic pipe, and the hydraulic pipe is abutted against the wall of the through hole.

Through adopting above-mentioned technical scheme, during the installation of hydraulic pressure pipe, insert earlier in the through-hole, through the preliminary location of elastic ring, and then when rotating the tail cover and making the tail press from both sides the difficult rocking by a wide margin of hydraulic pressure pipe when pressing from both sides tightly with hydraulic pressure pipe, the elastic ring is under the elastic deformation's of self effect simultaneously for can insert the hydraulic pressure pipe of different specifications in the through-hole.

Optionally, the elastic ring is provided with a guide surface for facilitating insertion of the hydraulic pipe into the through hole.

Through adopting above-mentioned technical scheme, because the elastic ring is located the change-over sleeve inside, be in the blind-mate state when the hydraulic pressure pipe inserts in the through-hole, the setting up of spigot surface makes the hydraulic pressure pipe more convenient under the condition of blind-mate insert in the through-hole.

Optionally, a convex ring is arranged on the basic joint, a ring groove is formed in the conversion sleeve, and the convex ring is in threaded connection with the inside of the ring groove.

Optionally, a sealing groove is formed in the groove bottom of the annular groove, a sealing ring is installed in the sealing groove, and one side, close to the convex ring, of the sealing ring protrudes out of the sealing groove.

By adopting the technical scheme, the convex ring is inserted into the annular groove to play a role of partition, the sealing performance of the joint of the basic joint and the adapter joint is improved, and meanwhile, the sealing performance of the joint of the basic joint and the adapter joint is further improved by the arrangement of the sealing ring.

In summary, the present application includes at least one of the following beneficial technical effects:

the tail clamp is inserted into the conical hole, the tail sleeve is rotated to move the tail sleeve to the direction close to the basic joint, so that the hydraulic pipes are gradually limited and clamped, and the tail clamp can clamp the hydraulic pipes with different specifications by adjusting the distance between the tail sleeve and the basic joint;

the arrangement of the elastic ring enables the tail clamp to be capable of preliminarily positioning the hydraulic pipe before clamping the hydraulic pipe, so that the tail clamp is more convenient to limit the hydraulic pipe;

the convex ring is installed in the annular groove in a threaded mode, and the sealing ring is arranged at the bottom of the annular groove, so that the sealing performance of the joint of the base joint and the adapter joint is improved.

Drawings

Fig. 1 is an overall sectional view of a hydraulic joint pipe connection conversion member in an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a base joint; 11. a convex ring; 2. a crossover sub; 21. a conversion sleeve; 211. inserting holes; 212. a ring groove; 213. a sealing groove; 214. a seal ring; 22. a tail clip; 221. a clip; 2211. an inclined surface; 222. a channel; 223. a barb; 23. a tail sleeve; 231. a tapered hole; 2311. connecting holes; 2312. extruding the hole; 24. an elastic ring; 241. a through hole; 242. a guide surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses hydraulic joint pipe connection conversion piece. Referring to fig. 1, the hydraulic joint pipe connection conversion piece comprises a base joint 1 and a conversion joint 2, and two hydraulic pipes to be butted are respectively connected with the base joint 1 and the conversion joint 2. Wherein, crossover sub 2 can the hydraulic pressure pipe of different specifications of adaptation, and can dismantle between basic joint 1 and the crossover sub 2 and be connected, and then can realize connecting between the hydraulic pressure pipe of different specifications.

Referring to fig. 1, the crossover joint 2 includes a crossover sleeve 21, a tail clip 22, a tail sleeve 23, and an elastomeric ring 24. The tail clip 22 is located at one side of the conversion sleeve 21 and is integrally formed with the conversion sleeve 21, and one side of the conversion sleeve 21 facing away from the tail clip 22 can be in threaded connection with the base connector 1 or can be in snap connection with the base connector 1, and in this embodiment, it is preferable that the conversion sleeve 21 is in threaded connection with the base connector 1. The tail sleeve 23 is sleeved on the tail clamp 22 and is in threaded connection with the conversion sleeve 21, and the tail sleeve 23 is rotated to enable the tail sleeve 23 to move close to or far away from the basic joint 1. The elastic ring 24 is arranged inside the conversion sleeve 21 to perform preliminary limit on the hydraulic pipe, and when the tail sleeve 23 moves towards the direction close to the basic joint 1, the tail clamp 22 gradually contracts to further clamp and limit the hydraulic pipe.

The elastic ring 24 is provided with a through hole 241 for inserting a hydraulic pipe, one side of the elastic ring 24 close to the tail clamp 22 is provided with a guide surface 242 convenient for inserting the hydraulic pipe into the through hole 241, and the guide surface 242 inclines towards the outer wall direction of the elastic ring 24 along the direction of pulling the hydraulic pipe out of the through hole 241. The conversion sleeve 21 is provided with an insertion hole 211 for inserting the elastic ring 24, and the elastic ring 24 is inserted into the insertion hole 211 and then is mounted in the insertion hole 211 by gluing. The elastic ring 24 is preferably made of rubber materials, and after the hydraulic pipes of different specifications are inserted into the through hole 241, the elastic ring 24 deforms under the elastic action of the elastic ring, so that the hydraulic pipes of different specifications are inserted into the through hole 241 in an interference mode, and the hydraulic pipes are limited preliminarily.

Referring to fig. 1, the tail clip 22 includes at least two clip pieces 221, and when there are two clip pieces 221, the two clip pieces 221 may be disposed at intervals on the conversion sleeve 21, or may be disposed uniformly on the conversion sleeve 21. When the number of the clamping pieces 221 is more than two, the plurality of clamping pieces 221 may be disposed at intervals on the conversion sleeve 21, or may be disposed uniformly on the conversion sleeve 21. The plurality of clamping pieces 221 form a channel 222 for the liquid pressure pipe to pass through, and in the present embodiment, the tail clamp 22 preferably includes two clamping pieces 221, and the two clamping pieces 221 are uniformly arranged on the conversion sleeve 21. The following description will be made by taking one clip 221 as an example.

The clip 221 is integrally formed with the conversion sleeve 21, and a barb 223 is integrally formed on a side of the clip 221 away from the conversion sleeve 21 and close to the channel 222. The barb 223 slopes and extends inwardly of the channel 222 in the direction of entry of the hydraulic tube into the channel 222, and entry reduces the risk of the hydraulic tube being pulled out if the clip 221 grips the hydraulic tube.

Referring to fig. 1, the tail sleeve 23 is provided with a tapered hole 231 through which the hydraulic pipe passes and into which the clip 221 is inserted, the tapered hole 231 includes a connection hole 2311 and an extrusion hole 2312, the connection hole 2311 is located at a side close to the conversion sleeve 21, and the connection hole 2311 is in threaded connection with the conversion sleeve 21. The diameter of the pressing hole 2312 is gradually reduced in a direction away from the connection hole 2311. The outer wall of the clip 221 is provided with an inclined surface 2211, and the inclined surface 2211 is inclined towards the inside of the channel 222 along the direction that the hydraulic pipe is pulled out from the channel 222, so that the clip 221 is more attached to the extrusion hole 2312.

Referring to fig. 1, the tail sleeve 23 is rotated to move the tail sleeve 23 to a direction close to the base joint 1, and the two clamping pieces 221 are close to each other under the action of the extrusion holes 2312, so that the inlet of the channel 222 is gradually reduced, and the hydraulic pipe is clamped and limited by the clamping pieces 221. Through the structure, after the insertion channels 222 of different specifications are inserted, the distance between the tail sleeve 23 and the basic joint 1 is adjusted by rotating the tail sleeve 23, and then the clamping effect of the clamping piece 221 on the hydraulic pipes of different specifications can be realized.

Referring to fig. 1 and 2, a protruding ring 11 is integrally disposed on a side of the base joint 1 close to the conversion sleeve 21, and an annular groove 212 into which the protruding ring 11 is inserted is disposed on a side of the connection sleeve close to the base joint 1. The convex ring 11 is inserted into the annular groove 212 and then is installed in the annular groove 212 in a threaded manner, and the inner wall and the outer wall of the convex ring 11 are abutted against the wall of the annular groove 212, so that the function of separation is achieved, and the sealing performance of the connection part of the base joint 1 and the conversion sleeve 21 is enhanced.

The groove bottom of the ring groove 212 is provided with a sealing groove 213, and a sealing ring 214 is embedded in the sealing groove 213. Wherein, the side of the sealing ring 214 departing from the bottom of the sealing groove 213 protrudes out of the sealing groove 213, and then the convex ring 11 is inserted into the annular groove 212 to press the sealing ring 214, so that the sealing ring 214 deforms and then abuts against the wall of the sealing groove 213 in the sealing groove 213, thereby further increasing the sealing performance of the joint between the base joint 1 and the conversion sleeve 21.

The implementation principle of a hydraulic joint pipe connection conversion part in the embodiment of the application is as follows: basic joint 1 is connected with one of them hydraulic pressure pipe, and the hydraulic pressure pipe of another different specifications inserts preliminary spacing in through-hole 241, then rotates tail cover 23 for tail cover 23 removes to the direction that is close to basic joint 1, and at this moment, clamping piece 221 is to the direction motion that is close to the hydraulic pressure pipe under the extrusion of bell mouth 231, and then presss from both sides tight spacing with the hydraulic pressure pipe. The male ring 11 is then inserted into the ring groove 212 and screwed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A hydraulic joint pipe connection conversion element, characterized by: comprises a base joint (1) connected with a hydraulic joint pipe and a conversion joint (2) sleeved on another hydraulic pipe and detachably connected to the base joint (1);

the conversion joint (2) comprises a conversion sleeve (21) connected with the basic joint (1), a tail clamp (22) arranged on one side, deviating from the basic joint (1), of the conversion sleeve (21) and a tail sleeve (23) in threaded connection with the tail clamp (22);

the tail sleeve (23) moves close to or away from the basic joint (1) on the tail clamp (22), and when the tail sleeve (23) moves towards the direction close to the basic joint (1), the tail clamp (22) limits and clamps hydraulic pipes of different specifications.

2. A hydraulic joint tube connection conversion member as defined in claim 1, wherein: the tail sleeve (23) is sleeved on the tail clamp (22), a tapered hole (231) for the hydraulic pipe to pass through is formed in the tail sleeve (23), and the tail clamp (22) comprises at least two clamping pieces (221) which are located in the tapered hole (231) and clamp the hydraulic pipe tightly.

3. A hydraulic joint tube connection conversion member as defined in claim 2, wherein: the clamping piece (221) is provided with a barb (223) which enables the hydraulic pipe not to be separated from the tapered hole (231) easily.

4. A hydraulic joint pipe connection conversion element as claimed in claim 2, wherein: the clamping piece (221) is provided with an inclined surface (2211) which is convenient for the clamping piece (221) to be attached to the inner wall of the tapered hole (231).

5. A hydraulic joint pipe connection conversion element as claimed in claim 1, wherein: the adapter (2) further comprises an elastic ring (24);

the conversion sleeve (21) is provided with an inserting hole (211) for inserting the elastic ring (24), the elastic ring (24) is arranged in the inserting hole (211), the elastic ring (24) is provided with a through hole (241) for inserting a hydraulic pipe, and the hydraulic pipe is abutted to the wall of the through hole (241).

6. A hydraulic joint tube connection conversion member as defined in claim 5, wherein: the elastic ring (24) is provided with a guide surface (242) which is convenient for inserting a hydraulic pipe into the through hole (241).

7. A hydraulic joint pipe connection conversion element as claimed in claim 1, wherein: be provided with bulge loop (11) on basic joint (1), annular groove (212) have been seted up on change-over sleeve (21), bulge loop (11) threaded connection in annular groove (212).

8. A hydraulic joint tube connection conversion member as defined in claim 7, wherein: the tank bottom of annular (212) has been seted up seal groove (213), install sealing washer (214) in seal groove (213), sealing washer (214) are close to one side protrusion in bulge loop (11) seal groove (213).