CN212616500U

CN212616500U - Three-way valve and connection structure for valve body thereof

Info

Publication number: CN212616500U
Application number: CN202021092045.3U
Authority: CN
Inventors: 陈礼平
Original assignee: Yuhuan Dafeng Environment Egis Equipment Co ltd
Current assignee: Yuhuan Dafeng Environment Egis Equipment Co ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-02-26
Anticipated expiration: 2030-06-13

Abstract

The application discloses three-way valve and connection structure for valve body thereof, connection structure for valve body is used for setting up in valve port joint department, include: the mounting seat is connected to the valve port connector in a threaded manner; the mounting hole is formed in one end, far away from the valve port joint, of the mounting seat and communicated with the valve port joint, and the mounting hole is flared towards the direction close to the valve port joint; the locking piece is arranged on the mounting hole and comprises a connecting ring, a plurality of elastic connecting parts distributed on the connecting ring at intervals along the circumferential direction and a limiting part arranged at one end of each elastic connecting part far away from the connecting ring, the limiting part is positioned at one side of the connecting ring close to the valve port joint, one side of the limiting part far away from the axis of the connecting ring protrudes out of the elastic connecting parts, and the end face of the limiting part far away from the axis of the connecting ring abuts against the inner side wall of the mounting hole; the limiting ring is arranged on the inner side wall of the mounting hole and is positioned on one side, away from the valve port joint, of the limiting part so as to limit the locking piece to be separated from the mounting hole. Through setting up the locking piece for the connection of rubber hose and valve port joint is firm more stable.

Description

Three-way valve and connection structure for valve body thereof

Technical Field

The application relates to the technical field of valves, in particular to a three-way valve and a connecting structure for a valve body of the three-way valve.

Background

The three-way valve is divided into a flow-merging valve and a flow-dividing valve according to the action mode of fluid, the flow-merging valve is provided with two inlets, and the merged flow flows out from one outlet. The diverter valve has a fluid inlet and is diverted to flow out of the two fluid outlets.

The three-way valve comprises a valve body, three valve port joints communicated with the valve body and a control valve arranged on the valve body. The joint of the valve body is an external thread, and the pipeline is fixedly communicated with the three-way valve through threaded connection.

During the in-service use, one of them valve port of three-way valve need be connected with rubber hose, and adopt threaded connection's mode, and rubber hose's deformation makes rubber hose make the rubber hose be not stable enough with being connected of valve port for the hose breaks away from with the joint of valve port easily, awaits improving.

SUMMERY OF THE UTILITY MODEL

In order to improve the unstable problem of hose and valve port joint connection, this application provides a three-way valve and connection structure for valve body thereof.

The application provides a connection structure for valve body adopts following technical scheme:

a connecting structure for a valve body, for being disposed at a valve port joint, comprising:

the mounting seat is in threaded connection with the valve port connector;

the mounting hole is formed in one end, far away from the valve port joint, of the mounting seat and communicated with the valve port joint, and the mounting hole is flared towards the direction close to the valve port joint;

the locking piece is arranged on the mounting hole and comprises a connecting ring, a plurality of elastic connecting parts distributed on the connecting ring at intervals along the circumferential direction and a limiting part arranged at one end of each elastic connecting part far away from the connecting ring, the limiting part is positioned at one side of the connecting ring close to the valve port joint, and one side of the limiting part far away from the axis of the connecting ring protrudes out of the elastic connecting parts; one end of each limiting part, which is close to the axis of the connecting ring, is used for abutting against the rubber hose, and the end face, which is far away from the axis of the connecting ring, of each limiting part abuts against the inner side wall of the mounting hole;

the limiting ring is arranged on the inner side wall of the mounting hole and is positioned on one side, away from the valve port joint, of the limiting part so as to limit the locking piece to be separated from the mounting hole.

Through above-mentioned technical scheme, when the valve body need be connected with rubber hose, pass the locking piece with rubber hose and insert in the mounting hole, spacing portion supports tightly in rubber hose's lateral wall near the one end of go-between axis this moment. When the rubber hose was extracted, the rubber hose can drive the locking piece and keep away from the valve port joint, and the spacing portion of locking piece makes elastic connection portion deformation under the direction of mounting hole inner wall this moment to make each spacing portion remove towards the direction that is close to the connecting ring axis, spacing portion is more firm to the locking of rubber hose this moment. The locking piece is arranged, so that the connection between the rubber hose and the valve port connector is firmer and more stable.

Preferably, each limiting part comprises a limiting piece, and the limiting piece protrudes out of the end face of the limiting part close to the axis of the connecting ring.

Through above-mentioned technical scheme, set up spacing piece, spacing piece supports tight rubber hose lateral wall, and spacing piece can make rubber hose deformation make spacing piece part imbed the state of rubber hose to make the connection of rubber hose and valve port joint more stable.

Preferably, the limiting sheet is gradually far away from the connecting ring towards the direction close to the axis of the connecting ring.

Through the technical scheme, when the rubber hose passes through the connecting ring and is inserted into the mounting hole for connection, the end face of the limiting piece close to one side of the connecting ring can guide the insertion of the rubber hose, so that the rubber hose can be inserted and mounted more conveniently.

Preferably, the limiting piece is a stainless steel piece, and the limiting piece is embedded in the limiting part to be fixed.

Through above-mentioned technical scheme, spacing piece has higher intensity for spacing piece is difficult for the cracked condition of emergence in the in-service use, thereby makes rubber hose and valve port joint's connection more stable.

Preferably, one end of the limiting piece, which is close to the axis of the connecting ring, is arranged in an arc-shaped concave manner, and the axis lines of the arc-shaped concave portions of the limiting piece are arranged in a superposition manner.

Through above-mentioned technical scheme, be the setting of circular arc inside groove, when spacing piece supports tightly in rubber hose's lateral wall, each spacing piece is bigger with rubber hose's contact surface to make spacing piece spacing more stable to rubber hose.

Preferably, one end of the limiting piece, which is close to the axis of the connecting ring, is provided with a cutting edge, and the thickness of the cutting edge is gradually thinner and thinner near the axis of the connecting ring.

Through above-mentioned technical scheme, set up the blade, make spacing piece can further imbed the lateral wall of rubber hose through the blade to make spacing piece more stable to rubber hose's fixed.

Preferably, one side of the limiting part, which is far away from the axis of the connecting ring, is provided with a guide surface, and the guide surface is positioned at one end of the limiting part, which is far away from the connecting ring, for guiding the locking piece when the locking piece passes through the limiting ring.

Through above-mentioned technical scheme, set up the spigot surface, when the locking piece installation, the locking piece inserts the mounting hole in-process and need pass through the spacing ring, and the spigot surface makes the external diameter that the end of inserting of each spacing portion encloses be less than the internal diameter of spacing ring to it is more convenient to make the locking piece insert the operation of mounting hole.

Preferably, a positioning ring is further arranged in the mounting hole, the positioning ring is located on one side, close to the valve port joint, of the locking piece, the inner diameter of the positioning ring is larger than or equal to that of the connecting ring, a sealing ring is further arranged in the mounting hole, and the sealing ring abuts against one side, close to the locking piece, of the positioning ring and is used for abutting against the outer side of the rubber hose to reinforce sealing.

Through above-mentioned technical scheme, set up the sealing ring, the sealing ring is the rubber material, and the sealing ring makes mount pad better with rubber hose's leakproofness to make connection structure's sealed effect better.

A three-way valve comprises a valve body and three valve port joints, wherein one valve port joint is provided with any one of the connecting structures for the valve body

Through above-mentioned technical scheme, be provided with valve body connection structure on the three-way valve, when needing to communicate rubber hose on the three-way valve, rubber hose can through inserting to connection structure for rubber hose's installation is more convenient.

Compared with the prior art, the beneficial effects of this application are:

(1) by arranging the locking piece, the connection between the rubber hose and the valve port joint is firmer and more stable;

(2) the connection between the rubber hose and the valve port connector is more stable by arranging the limiting sheet;

(3) through setting up the spigot surface for the locking piece is installed to the operation of mounting hole more conveniently.

Drawings

FIG. 1 is an overall schematic view of an embodiment;

FIG. 2 is a schematic partial exploded view of an embodiment;

FIG. 3 is a schematic partial cross-sectional view of an embodiment;

fig. 4 is a schematic structural view of the locking element of the embodiment.

Reference numerals: 1. a valve body; 2. a valve port adapter; 21. connecting sleeves; 22. an external threaded section; 3. a control valve; 4. a mounting seat; 5. a locking member; 51. a connecting ring; 52. an elastic connection portion; 53. a limiting part; 531. a guide surface; 532. a limiting sheet; 6. mounting holes; 7. a limiting ring; 8. cutting edges; 9. a positioning ring; 10. and (4) a sealing ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example (b):

a three-way valve, as shown in FIGS. 1 and 2, includes a valve body 1 and three port fittings 2. The three valve port joints 2 are distributed in a T shape, one of the two opposite valve port joints 2 is a movable joint, the movable joint is a connecting sleeve 21 which is rotatably connected to the valve body 1, and the connecting sleeve 21 is provided with internal threads. The other two port connectors 2 are each provided with an externally threaded section 22.

The valve body 1 is also provided with a control valve 3, the control valve 3 is a ball valve, and the control valve 3 is used for controlling the on-off state of the valve port joint 2 at one external thread end and the inside of the valve body 1. A valve body connecting structure is also connected to the valve port joint 2 corresponding to the control valve 3.

As shown in fig. 3, the connecting structure for a valve body includes a mount 4 and a locking member 5. The mounting seat 4 is in threaded connection with the valve port connector 2, a mounting hole 6 is formed in one end, away from the valve port connector 2, of the mounting seat 4, and the mounting hole 6 is a round hole, is coaxially arranged with the valve port connector 2 and is communicated with the valve port connector 2. The diameter of the mounting hole 6 is gradually increased toward the valve port fitting 2, so that the mounting hole 6 is flared toward the valve port fitting 2. A limiting ring 7 is further fixed on the inner side wall of the mounting hole 6, and the limiting ring 7 is far away from the valve port joint 2.

The locking member 5 is disposed on the mounting hole 6, and the locking member 5 includes a connection ring 51, a plurality of elastic connection portions 52, and a plurality of limiting portions 53. The connecting ring 51 is arranged in a circular ring shape, the elastic connecting parts 52 are distributed on the connecting ring 51 at intervals along the circumferential direction, and gaps are reserved between the adjacent elastic connecting parts 52. The position limiting portion 53 is fixed to an end of each elastic connection portion 52 away from the connection ring 51, and the position limiting portion 53 is located on a side of the connection ring 51 close to the valve port adapter 2. The connecting ring 51, the elastic connecting portion 52 and the limiting portion 53 are integrally formed and made of plastic. In practice, the connection ring 51 is usually located outside the mounting seat 4, and the connection ring 51 is used for inserting a rubber hose therethrough.

As shown in fig. 3 and 4, one side of the limiting portion 53 away from the axis of the connection ring 51 protrudes from the elastic connection portion 52, and an end surface of the limiting portion 53 away from the axis of the connection ring 51 abuts against an inner side wall of the mounting hole 6. The position-limiting portion 53 is used for abutting against the position-limiting ring 7 to limit the locking member 5 from being removed from the mounting hole 6 when the position-limiting ring approaches the side wall of the valve port connector 2. The limiting part 53 is provided with a guide surface 531 on one side away from the axis of the connecting ring 51, and the guide surface 531 is positioned at one end of the limiting part 53 away from the connecting ring 51. The guide surfaces 531 make the outer diameter enclosed by the insertion ends of the respective stopper portions 53 smaller than the inner diameter of the stopper ring 7. When the locking member 5 needs to be installed in the installation hole 6, the guide surface 531 guides the locking member 5 when passing through the limiting ring 7, so that the operation of inserting the locking member 5 into the installation hole 6 is more convenient.

Each limiting part 53 comprises a limiting sheet 532, and the limiting sheet 532 is a stainless steel limiting sheet 532 embedded in the limiting part 53 for fixation. Each stopper 532 protrudes from the end surface of the corresponding stopper 53 near the axis of the connection ring 51. Each limiting sheet 532 is gradually far away from the connecting ring 51 towards the direction close to the axis of the connecting ring 51, one end of each limiting sheet 532 close to the axis of the connecting ring 51 is arranged in an arc concave manner, and the axial leads of the arc concave of the limiting sheets 532 are overlapped. One end of the limiting sheet 532 close to the axis of the connecting ring 51 is provided with a cutting edge 8, and the thickness of the cutting edge 8 is gradually thinner close to the axis of the connecting ring 51. In actual production, the limiting pieces 532 are integrally annular during production, are positioned in a mold during injection molding of the locking member 5, and are formed by cutting off excess parts between adjacent limiting parts 53 after solidification.

As shown in FIG. 3, a retaining ring 9 is also secured within the mounting bore 6, the retaining ring 9 being located on the side of the locking member 5 adjacent the valve port fitting 2, the inner diameter of the retaining ring 9 being greater than or equal to the inner diameter of the attachment ring 51. A sealing ring 10 is also arranged in the mounting hole 6, and the sealing ring 10 abuts against one side of the positioning ring 9 close to the locking piece 5. The sealing ring 10 is made of rubber, the outer ring of the sealing ring 10 abuts against the inner side wall of the mounting hole 6, and the inner diameter of the sealing ring 10 is slightly smaller than the diameter of the rubber hose so that the sealing ring 10 is used for abutting against the outer side of the rubber hose to strengthen sealing.

The working principle of the embodiment is as follows:

when the rubber hose needs to be connected to the valve body 1, the rubber hose passes through the connecting ring 51 and is inserted into the mounting hole 6, at this time, one end, close to the axis of the connecting ring 51, of the limiting piece 532 of the limiting portion 53 abuts against the outer side wall of the rubber hose, and the inclined direction of the limiting piece 532 guides the insertion of the guide tube so that the rubber hose completely passes through the locking piece 5 and is inserted into a state of abutting against the sealing ring 10.

When the rubber hose is pulled out by water pressure, the rubber hose drives the locking piece 5 to be away from the valve port connector 2 under the support of the limiting piece 532, at the moment, the limiting part 53 of the locking piece 5 deforms the elastic connecting part 52 under the guidance of the inner side wall of the mounting hole 6, so that each limiting part 53 moves towards the direction close to the axis of the connecting ring 51, the limiting piece 532 of the limiting part 53 locks the rubber hose more firmly, and the connection between the rubber hose and the valve port connector 2 is more firm and stable.

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: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A connecting structure for a valve body, for being provided at a valve port joint (2), characterized in that: the method comprises the following steps:

the mounting seat (4), the said mounting seat (4) is screwed on the valve port joint (2);

the mounting hole (6) is formed in one end, far away from the valve port joint (2), of the mounting seat (4) and communicated with the valve port joint (2), and the mounting hole (6) is arranged in a flaring manner towards the direction close to the valve port joint (2);

the locking piece (5) is arranged on the mounting hole (6), the locking piece (5) comprises a connecting ring (51), a plurality of elastic connecting parts (52) distributed on the connecting ring (51) at intervals along the circumferential direction, and a limiting part (53) arranged at one end, far away from the connecting ring (51), of each elastic connecting part (52), the limiting part (53) is positioned on one side, close to the valve port joint (2), of the connecting ring (51), and one side, far away from the axis of the connecting ring (51), of the limiting part (53) protrudes out of the elastic connecting parts (52); one end of each limiting part (53) close to the axis of the connecting ring (51) is used for abutting against the rubber hose, and the end face, far away from the axis of the connecting ring (51), of each limiting part (53) abuts against the inner side wall of the mounting hole (6);

the limiting ring (7) is arranged on the inner side wall of the mounting hole (6), and the limiting ring (7) is located on one side, away from the valve port joint (2), of the limiting portion (53) to limit the locking piece (5) to be separated from the mounting hole (6).

2. A connecting structure for a valve body according to claim 1, wherein: each limiting part (53) comprises a limiting sheet (532), and the limiting sheets (532) protrude out of the end face, close to the axis of the connecting ring (51), of the limiting part (53).

3. A connecting structure for a valve body according to claim 2, wherein: the limiting sheet (532) is gradually far away from the connecting ring (51) towards the direction close to the axis of the connecting ring (51).

4. A connecting structure for a valve body according to claim 2, wherein: the limiting piece (532) is a stainless steel piece, and the limiting piece (532) is embedded in the limiting part (53) to be fixed.

5. A connecting structure for a valve body according to claim 4, wherein: one end of the limiting sheet (532) close to the axis of the connecting ring (51) is arranged in an arc concave manner, and the axial leads of the arc concave portions of the limiting sheet (532) are overlapped.

6. A connecting structure for a valve body according to claim 5, wherein: one end of the limiting piece (532) close to the axis of the connecting ring (51) is provided with a cutting edge (8), and the thickness of the cutting edge (8) is gradually thinned close to the axis of the connecting ring (51).

7. A connecting structure for a valve body according to claim 1, wherein: one side of the limiting part (53) far away from the axis of the connecting ring (51) is provided with a guide surface (531), and the guide surface (531) is positioned at one end, far away from the connecting ring (51), of the limiting part (53) and used for guiding the locking piece (5) when the locking piece passes through the limiting ring (7).

8. A connecting structure for a valve body according to claim 1, wherein: still be provided with holding ring (9) in mounting hole (6), holding ring (9) are located locking piece (5) and are close to one side of valve port joint (2), the internal diameter of holding ring (9) is greater than or equal to the internal diameter setting of go-between (51), still be provided with sealing ring (10) in mounting hole (6), sealing ring (10) are contradicted in holding ring (9) and are used for supporting tightly the rubber hose outside and strengthen sealed in the one side that is close to locking piece (5).

9. A three-way valve comprises a valve body (1) and three valve port connectors (2), and is characterized in that: one of the valve port fittings (2) is provided with a connecting structure for a valve body (1) according to any one of claims 1 to 8.