CN212480479U

CN212480479U - Combined three-way joint

Info

Publication number: CN212480479U
Application number: CN202020619930.6U
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: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-02-05
Anticipated expiration: 2030-04-22

Abstract

The utility model provides a modular three way connection belongs to and connects technical field. It has solved the current not high and inconvenient problem of being connected with other pipe fittings of joint intensity. This combination formula three way connection is including the joint main part that has three interface, it all is provided with movable cap to connect the main part to be located corresponding kneck, ring channel one has been seted up on the periphery wall that the interface is located corresponding movable cap department, the interface is located ring channel one and is provided with a plurality of along its circumferencial direction and evenly distributed's ball, the diameter of ball is greater than the high A of ring channel one, ring channel two that supplies the ball installation of contradicting is seted up on the internal perisporium that the movable cap is located corresponding ring channel one, the mounting hole that makes ring channel two and movable cap outside be linked together and supply the ball installation is seted up on the periphery wall that the movable cap is located ring channel one, be provided with the seal assembly. The utility model has the advantages of high structural strength and convenient connection with other pipe fittings.

Description

Combined three-way joint

Technical Field

The utility model belongs to the technical field of connect, a modular three way connection is related to.

Background

The three-way joint is one kind of pipe fitting and is widely used in pipeline connection in various fields, and the connection mode is that a three-way joint and a steel pipe are directly butt-welded. As far as the three-way joint is concerned, the common welded or cast three-way joint in the market at present has the following defects: firstly, due to the adoption of a thermal forming process, the corrosion resistance and the structural strength are low, and the service life and the safety of a pipeline cannot be ensured when the pipeline is particularly used in a seawater desalination and wastewater treatment system; and secondly, when the joint is connected with other pipe fittings, the operation process is more complicated, and the joint is quite troublesome to replace after being damaged.

Disclosure of Invention

The utility model aims at providing a to the above-mentioned problem that exists among the prior art, provide one kind and connect the simple convenient combination formula three way connection of just damaging back of assembly with other pipe fittings.

The purpose of the utility model can be realized by the following technical proposal: a combined three-way joint comprises a hollow joint main body with three interfaces, and is characterized in that the joint main body is provided with movable caps movably connected with the joint main body at corresponding interfaces, the peripheral wall of the interface at the corresponding movable cap is provided with a first annular groove, the interface at the first annular groove is internally provided with a plurality of balls which are uniformly distributed along the circumferential direction of the first annular groove, the diameter of each ball is larger than the height A of the first annular groove, the balls are in contact connection with the inner peripheral wall of the corresponding movable cap, the inner peripheral wall of the movable cap at the corresponding first annular groove is provided with a second annular groove for the contact installation of the balls, the position of the movable cap at the corresponding interface is limited by the second annular groove and the balls, the peripheral wall of the movable cap at the first annular groove is provided with a mounting hole for communicating the second annular groove with the outside of the movable cap and for the installation of the balls, and a sealing assembly which is fixedly connected with the interface and is used for enhancing the sealing property between the interface and the movable cap is arranged between the interface and the movable cap.

In the above-mentioned combined three-way joint, the joint body is a cold-formed integral member.

In a foretell modular three way connection, the periphery wall of interface on be provided with radial outside protruding and be used for restricting the protruding ring portion of activity cap position, the one end periphery wall of protruding ring portion towards corresponding activity cap seted up outer chamfer, the activity cap towards corresponding protruding ring portion serve and seted up with outer chamfer matched with interior chamfer.

In the above-mentioned combined three-way joint, the opening part of the movable cap in the mounting hole is provided with a sealing plug which prevents the ball from separating and is abutted against the ball, and the bottom surface of the sealing plug is arc-shaped.

In the above-mentioned combined three-way joint, the seal assembly comprises a seal cover and a seal gasket, the seal cover is connected with the corresponding interface through screw thread fit, the seal gasket is sleeved on the seal cover and limits the position of the seal gasket on the seal cover through the interface, the outer peripheral wall of the seal gasket is in sliding fit with the inner peripheral wall of the corresponding movable cap, a seal ring for enhancing the sealing performance is arranged between the seal gasket and the corresponding interface, and the interface is provided with an outer chamfer for installing the corresponding seal ring.

In the above-mentioned combined three-way joint, the outer peripheral wall of the outer end part of the sealing sleeve is provided with an outer chamfer which is attached to the inner end face of the movable cap.

Compared with the prior art, the combined type three-way joint has the following advantages:

1. the joint main body is provided with movable caps movably connected with the joint main body at corresponding joints, the outer peripheral wall of the joint at the corresponding movable cap is provided with a first annular groove, the joint at the first annular groove is internally provided with a plurality of balls which are uniformly distributed along the circumferential direction of the joint, the diameter of the ball is larger than the height A of the first annular groove, the ball is in contact connection with the inner peripheral wall of the corresponding movable cap, the inner peripheral wall of the movable cap at the corresponding first annular groove is provided with a second annular groove for the ball to be in contact installation, the position of the movable cap on the corresponding joint is limited by the second annular groove and the ball, the outer peripheral wall of the movable cap at the first annular groove is provided with an installation hole which enables the second annular groove to be communicated with the outside of the movable cap and for the ball to be installed, and a sealing component which is fixedly connected with the joint and, the connector main body is an integrated component which is cold-formed to be near net shape, the arrangement of the structure enables the connector main body to be relatively simple and easy to maintain and replace during assembly, and meanwhile, the connector main body is made through cold forming, and compared with hot forming, the connector main body is good in corrosion resistance and high in structural strength.

Drawings

Fig. 1 is a schematic sectional view of the combination type three-way joint.

In the figure, 1, interface; 2. a connector body; 3. a movable cap; 4. a first annular groove; 5. a ball bearing; 6. a second annular groove; 7. mounting holes; 8. a seal assembly; 9. a convex ring part; 10. sealing the plug; 11. sealing sleeves; 12. sealing gaskets; 13. and (5) sealing rings.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the combined three-way joint comprises a joint main body 2 which is provided with three interfaces 1 and is arranged in a hollow way, movable caps 3 which are movably connected with the joint main body 2 are arranged at the positions, corresponding to the interfaces 1, of the joint main body, a first annular groove 4 is arranged on the outer peripheral wall of the corresponding movable cap 3 of the interface 1, a plurality of balls 5 which are uniformly distributed along the circumferential direction of the joint main body are arranged in the first annular groove 4 of the interface 1, the diameter of each ball 5 is larger than the height A of the first annular groove 4, the balls 5 are in contact connection with the inner peripheral wall of the corresponding movable cap 3, the movable cap 3 is sleeved on the corresponding interface 1 through the plurality of balls 5, a second annular groove 6 which is arranged corresponding to the first annular groove 4 and is used for the ball 5 to be in contact installation is arranged on the inner peripheral wall of the corresponding annular groove 4 of the movable cap 3, and the position of the movable, the outer peripheral wall of the movable cap 3 at the position of the first annular groove 4 is provided with a mounting hole 7 which enables a second annular groove 6 to be communicated with the outside of the movable cap 3 and enables balls 5 to be mounted, a sealing assembly 8 which is fixedly connected with the interface 1 and is used for enhancing the sealing performance between the interface 1 and the movable cap 3 is arranged between the interface 1 and the movable cap 3, the sealing assembly 8 consists of a sealing sleeve 11 and a sealing gasket 12, the sealing sleeve 11 is in threaded fit connection with the corresponding interface 1, the sealing gasket 12 is sleeved on the sealing sleeve 11 and limits the position of the sealing gasket 12 on the sealing sleeve 11 through the interface 1, the outer peripheral wall of the sealing gasket 12 is in sliding fit with the inner peripheral wall of the corresponding movable cap 3, a sealing ring 13 which enhances the sealing performance is arranged between the sealing gasket 12 and the corresponding interface 1, the interface 1 is provided with an outer chamfer angle for mounting the corresponding sealing ring 13, the outer, an annular sealing sheet for enhancing the sealing property is arranged between the sealing sleeve 11 and the interface 1.

To be more specific, the joint body 2 is an integral member that is cold-formed to a near-net shape in order to improve its corrosion resistance and to ensure a high structural strength.

Further saying in detail, for the convenience of alignment when annular groove one 4 and annular groove two 6 assemble, be provided with the protruding ring portion 9 that radial outside is protruding and be used for restricting the activity cap 3 position on interface 1's the periphery wall, protruding ring portion 9 has seted up outer chamfer towards on the corresponding one end periphery wall of activity cap 3, activity cap 3 is seted up towards one of corresponding protruding ring portion 9 and is served and outer chamfer matched with inner chamfer.

In order to prevent the ball 5 after assembly from separating and not interfering with the rotation of the ball 5, a sealing plug 10 which prevents the ball 5 from separating and is abutted against the ball 5 is disposed at the opening of the mounting hole 7 of the movable cap 3, and the bottom surface of the sealing plug 10 is arc-shaped.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A combined three-way joint comprises a joint main body (2) which is provided with three interfaces (1) and is arranged in a hollow manner, and is characterized in that the joint main body (2) is positioned at the corresponding interface (1) and is provided with movable caps (3) movably connected with the corresponding interface, a ring groove I (4) is arranged on the peripheral wall of the corresponding interface (1) positioned at the movable cap (3), the interface (1) is positioned in the ring groove I (4) and is internally provided with a plurality of balls (5) which are uniformly distributed along the circumferential direction of the interface, the diameter of each ball (5) is larger than the height A of the ring groove I (4), the balls (5) are in contact connection with the inner peripheral wall of the corresponding movable cap (3), and a ring groove II (6) for the balls (5) to be in contact installation is arranged on the inner peripheral wall of the corresponding ring groove I (4) of the movable cap (3), and through ring channel two (6) and ball (5) restriction activity cap (3) position on corresponding interface (1), activity cap (3) are located the periphery wall of ring channel one (4) department and offer mounting hole (7) that make ring channel two (6) and activity cap (3) outside be linked together and supply ball (5) to install, be provided with between interface (1) and the activity cap (3) and link firmly mutually and be used for strengthening between interface (1) and the activity cap (3) seal assembly (8) of leakproofness.

2. A three-way union according to claim 1, in which the union body (2) is a one-piece component which is cold-formed.

3. The combined three-way joint according to claim 1, wherein a protruding ring portion (9) which protrudes radially outward and is used for limiting the position of the movable cap (3) is arranged on the outer peripheral wall of the joint (1), an outer chamfer is formed on the outer peripheral wall of one end of the protruding ring portion (9) facing the corresponding movable cap (3), and an inner chamfer matched with the outer chamfer is formed on one end of the movable cap (3) facing the corresponding protruding ring portion (9).

4. The combined three-way joint according to claim 1, wherein the movable cap (3) at the opening of the mounting hole (7) is provided with a sealing plug (10) which prevents the ball (5) from separating and is abutted against the ball (5), and the bottom surface of the sealing plug (10) is arc-shaped.

5. The combined three-way joint according to claim 1, wherein the sealing assembly (8) comprises a sealing sleeve (11) and a sealing gasket (12), the sealing sleeve (11) is connected with the corresponding interface (1) in a threaded fit manner, the sealing gasket (12) is sleeved on the sealing sleeve (11) and limits the position of the sealing gasket (12) on the sealing sleeve (11) through the interface (1), the outer peripheral wall of the sealing gasket (12) is in sliding fit with the inner peripheral wall of the corresponding movable cap (3), a sealing ring (13) for enhancing the sealing property is arranged between the sealing gasket (12) and the corresponding interface (1), and the interface (1) is provided with an outer chamfer for installing the corresponding sealing ring (13).

6. A combined three-way joint according to claim 5, characterized in that the peripheral wall at the outer end of the sealing sleeve (11) is provided with an outer chamfer which is attached to the inner end face of the movable cap (3).