CN215488241U

CN215488241U - Sealed leakage-proof hydraulic connector

Info

Publication number: CN215488241U
Application number: CN202122182485.9U
Authority: CN
Inventors: 刘至安; 向敏; 阮乐洋; 林初锦
Original assignee: Zhejiang Aochuan Hydraulic Equipment Co ltd
Current assignee: Zhejiang Aochuan Hydraulic Equipment Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-11
Anticipated expiration: 2031-09-09

Abstract

The utility model provides a sealing leakage-proof hydraulic joint, and belongs to the technical field of hydraulic joints. It has solved the current hydraulic joint and has managed the back leakproofness poor with the hydraulic pressure, leads to the problem of leakage phenomenon. This sealed anti-leakage hydraulic connector, including connecting the body and connecting in the hydraulic pressure pipe that connects this end of body, the inside sealing device who supplies the pressure pipe to insert and have the sealing effect that is equipped with of port that connects the body, sealing device is including the seal cover that is cavity setting, the axial fluting that supplies the pressure pipe to insert is seted up inwards to the preceding terminal surface of seal cover axially, still be provided with in the axial fluting and make the spacing stop collar who is fixed in the body inside that connects of seal cover, fixed bonding has the elastic sleeve of making by elastic material on the internal perisporium of stop collar. The utility model has the advantages of improving the sealing performance and preventing liquid leakage.

Description

Sealed leakage-proof hydraulic connector

Technical Field

The utility model belongs to the technical field of hydraulic connectors, relates to a hydraulic connector, and particularly relates to a sealing leakage-proof hydraulic connector.

Background

Hydraulic joints are often used in hydraulic equipment, with hydraulic pipes connected to the ends. In the existing hydraulic joint and hydraulic pipe connection process, the sealing is only realized through a simple sealing structure, so that the leakage phenomenon is caused after the hydraulic joint is used for a long time, and the use is influenced.

Disclosure of Invention

The present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a hydraulic joint which improves sealing performance and prevents leakage of fluid.

The purpose of the utility model can be realized by the following technical scheme: a sealed leakage-proof hydraulic connector comprises a connector body and a hydraulic pipe connected to the end of the connector body, and is characterized in that a sealing device for connecting the hydraulic pipe and having a sealing effect is arranged inside a port of the connector body, the sealing device comprises a sealing sleeve arranged in a hollow manner, an axial groove for connecting the hydraulic pipe is axially and inwardly formed in the front end face of the sealing sleeve, a limiting sleeve for limiting and fixing the sealing sleeve in the connector body is further arranged in the axial groove, an elastic sleeve made of elastic material is fixedly bonded on the inner peripheral wall of the limiting sleeve, the hydraulic pipe is connected between the elastic sleeve and the sealing sleeve in a sealing manner, the inner diameter of the limiting sleeve is gradually increased from inside to outside, an annular groove is formed in the inner bottom wall of the axial groove in a manner that the sealing sleeve extends towards the inside, and a compression spring is arranged in the annular groove, the outer end of the compression spring abuts against the inner end of the elastic sleeve, the inner end of the compression spring abuts against the groove bottom wall of the annular groove, the outer end of the limiting sleeve is provided with a flange structure, and the flange structure is fixedly connected with the joint body through a fastening bolt.

In the above-mentioned sealing leakage-proof hydraulic joint, the elastic sleeve is made of nylon material.

In the above-mentioned sealed leakage-proof hydraulic joint, the elastic sleeve is fixedly bonded on the inner peripheral wall of the limiting sleeve through the adhesive glue.

In the sealing leakage-proof hydraulic joint, a plurality of sealing rings with sealing functions are arranged between the sealing sleeve and the joint body.

In the above-mentioned sealed anti-leakage hydraulic connector, the connector body internal perisporium with on offer and supply the seal cover to stretch into the axial mounting groove of installation.

Compared with the prior art, this sealed anti-leakage hydraulic joint has following advantage:

1. through the arrangement of the sealing sleeve, the limiting sleeve and the elastic sleeve made of nylon materials, the hydraulic pipe is tightly connected, and an inner sealing surface and an outer sealing surface are formed, so that the sealing performance is improved, and liquid is prevented from leaking;

2. further, the elastic force of the compression spring and the elastic sleeve and the external locking force generated by the limiting sleeve are adopted, so that the inner end of the elastic sleeve is extruded, and the aim of attaching the corresponding position of the hydraulic pipe is further fulfilled.

Drawings

FIG. 1 is a half sectional view of the present leak-proof hydraulic joint.

In the figure, 1, a joint body; 2. a hydraulic tube; 3. sealing sleeves; 4. axially slotting; 5. a limiting sleeve; 6. an elastic sleeve; 7. a compression spring; 8. a flange structure; 9. fastening a bolt; 10. and (5) sealing rings.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, the sealing leakage-proof hydraulic joint comprises a joint body 1 and a hydraulic pipe 2 connected with the end part of the joint body 1, a sealing device which is used for the connection of the hydraulic pipe 2 and has a sealing effect is arranged in the port of the joint body 1, the sealing device comprises a sealing sleeve 3 which is arranged in a hollow way, an axial slot 4 which is used for the connection of the hydraulic pipe 2 is arranged on the front end surface of the sealing sleeve 3 in the axial direction, the axial slot 4 is separated from a middle hole in the middle of the sealing sleeve 3 which is arranged in the hollow way, a limiting sleeve 5 which enables the sealing sleeve 3 to be limited and fixed in the joint body 1 is also arranged in the axial slot 4, an elastic sleeve 6 made of elastic material is fixedly bonded on the inner peripheral wall of the limiting sleeve 5, the hydraulic pipe 2 is connected between the elastic sleeve 6 and the sealing sleeve 3 in a sealing way, the inner diameter of the limiting sleeve is gradually increased from inside to outside, due to the elastic characteristic of the elastic sleeve 6, the hydraulic pipe 2 is firstly connected in the limiting sleeve 5 with the elastic sleeve 6, then, a limiting sleeve 5 is arranged in the axial open groove 4 of the sealing sleeve 3, in the installation process, elastic pressure is applied to the hydraulic pipe 2 through the elastic sleeve 6 with gradually-expanded inner diameter, so that the hydraulic pipe 2 is tightly pressed on the inner wall of the axial open groove 4, the inner peripheral wall of the hydraulic pipe 2 is tightly attached to the corresponding inner wall of the axial open groove 4, the outer peripheral wall of the hydraulic pipe 2 is tightly attached to the inner peripheral wall of the elastic sleeve 6, an inner sealing surface and an outer sealing surface are formed, and liquid leakage is prevented; meanwhile, an annular groove is formed in the inner bottom wall of the axial groove 4 towards the inner portion of the sealing sleeve 3 in an extending mode, a compression spring 7 is arranged in the annular groove, the outer end of the compression spring 7 abuts against the inner end of the elastic sleeve 6, the inner end of the compression spring abuts against the bottom wall of the annular groove, a flange structure 8 is arranged at the outer end of the limiting sleeve 5, the flange structure 8 is fixedly connected with the joint body 1 through a fastening bolt 9, elastic butt joint matching of the limiting sleeve 5 and the sealing sleeve 3 is achieved through the compression spring 7, and the inner end of the elastic sleeve 6 can be extruded by elasticity to be close towards the direction of the hydraulic pipe 2 through the elasticity of the compression spring 7 and the fastening force of an external fixing bolt to the whole limiting sleeve 5, namely further compression sealing is achieved for the corresponding position of the hydraulic pipe 2.

Further saying, elastic sleeve 6 is made by the nylon materials, and nylon materials itself has certain elasticity, can support hydraulic pressure pipe 2 and compress tightly, and elastic sleeve 6 is fixed the bonding on the internal perisporium of stop sleeve 5 through the adhesive.

In more detail, a plurality of sealing rings 10 for sealing are arranged between the sealing sleeve 3 and the joint body 1, and the sealing performance between the sealing sleeve 3 and the joint body 1 is improved through the sealing rings 10.

Preferably, the inner peripheral wall of the joint body 1 is provided with an axial mounting groove for the sealing sleeve 3 to extend into for mounting.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a sealed leak-proof hydraulic connector, includes and connects body (1) and connects in hydraulic pressure pipe (2) that connect body (1) tip, its characterized in that, the port inside of connecting body (1) is equipped with supplies hydraulic pressure pipe (2) to insert and have sealing effect's sealing device, sealing device including seal cover (3) that is cavity setting, axial fluting (4) that supply hydraulic pressure pipe (2) to insert are inwards seted up to the axial on the preceding terminal surface of seal cover (3), axial fluting (4) in still be provided with and make the spacing sleeve (5) that are fixed in joint body (1) inside of seal cover (3), fixed bonding has elastic sleeve (6) of making by elastic material on the internal perisporium of spacing sleeve (5), hydraulic pressure pipe (2) sealed insert between elastic sleeve (6) and seal cover (3), the internal diameter from interior to exterior of stop collar increases gradually, go to seal cover (3) inside extension on the inner bottom wall of axial fluting (4) and seted up the ring channel, the ring channel in be equipped with pressure spring (7), the outer end of pressure spring (7) is leaned on with the inner counterbalance of elastic sleeve (6), its inner bottom wall with the ring channel supports and leans on, the outer end of stop sleeve (5) has flange structure (8), flange structure (8) with connect body (1) and pass through fastening bolt (9) fixed the linking to each other.

2. A hermetic leak-proof hydraulic joint as claimed in claim 1, characterized in that said elastic sleeve (6) is made of nylon material.

3. The joint according to claim 1, wherein the elastic sleeve (6) is fixedly bonded to the inner peripheral wall of the position-limiting sleeve (5) by adhesive.

4. A joint according to claim 1, wherein a plurality of sealing rings (10) are provided between the sealing sleeve (3) and the joint body (1).

5. The joint according to claim 1, wherein the joint body (1) has an axial mounting groove on the inner peripheral wall thereof for the sealing sleeve (3) to extend into.