CN216200828U

CN216200828U - Novel three-way threaded ball valve

Info

Publication number: CN216200828U
Application number: CN202122659894.3U
Authority: CN
Inventors: 张维清
Original assignee: Zhejiang Zhitong Pipe Valve Technology Co ltd
Current assignee: Zhejiang Zhitong Pipe Valve Technology Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-05
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to the technical field of valves, in particular to a novel three-way threaded ball valve, wherein a valve ball is arranged on the inner side of a valve body, one side of the valve ball is rotatably connected with the inner side of the valve body through a valve ball rotating shaft, three valve body connecting pipes which are arranged in an arc shape are inserted and fixed on the outer side of the valve body, connecting pipe inner pipes are inserted into the inner sides of the three valve body connecting pipes in a sliding manner, and annular round shells are arranged at one ends of the three connecting pipe inner pipes. According to the utility model, the sealing ring can be simply and rapidly disassembled and fixed by the conveniently-disassembled and assembled fixing mechanism, so that the excessively-worn sealing ring can be conveniently replaced, the maintenance difficulty of the ball valve is reduced, the service life of the ball valve is prolonged, the force in the direction of the ball valve is applied to the annular round shell and the sealing ring through the disk spring, the abrasion of the sealing ring can be compensated, the gap between the sealing ring and the ball valve is prevented, and the sealing performance of the ball valve is reduced.

Description

Novel three-way threaded ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to a novel three-way threaded ball valve.

Background

The three-way ball valve has a T shape and an L shape, and the T shape can enable three orthogonal pipelines to be mutually communicated and cut off a third channel to play the roles of flow division and flow combination. The L-shaped three-way ball valve type can only connect two mutually orthogonal pipelines, cannot simultaneously keep the mutual communication of a third pipeline, and only plays a role in distribution.

However, the inconvenient dismantlement of sealing ring of current tee bend ball valve, after the sealing ring wearing and tearing are excessive, can not change the sealing ring to need to change the ball valve wholly, consequently reduced the life of ball valve, the sealing ring of current ball valve does not have the function of wearing and tearing compensation moreover, and the sealing ring is worn and torn many times with the valve ball after easy and produce the clearance between the valve ball, thereby has influenced the sealing performance of ball valve. Accordingly, those skilled in the art have provided a new three-way threaded ball valve to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel three-way threaded ball valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a novel three-way threaded ball valve comprises a valve body, wherein a valve ball is arranged on the inner side of the valve body, one side of the valve ball is rotatably connected with the inner side of the valve body through a valve ball rotating shaft, three valve body connecting pipes which are arranged in an arc shape are inserted and fixed on the outer side of the valve body, connecting pipe inner pipes are inserted and fixed on the inner sides of the three valve body connecting pipes in a sliding manner, annular round shells are arranged at one ends of the three connecting pipe inner pipes, sealing rings are fixed at one ends of the three annular round shells, and the inside of three annular circle shell all sliding connection have the slip ring, three the outside of annular circle shell respectively with the inboard looks adaptation of three valve body takeover, three the one end of slip ring is fixed mutually with the one end of three takeover inner tube respectively, three the inside one end of annular circle shell all is provided with belleville spring, and is three be provided with the same structure just dismouting fixed establishment respectively between takeover inner tube and the three valve body takeover.

As a still further scheme of the utility model: just, dismouting fixed establishment is including offering in the inboard jack that is the circumference range that is located one end position department of valve body takeover and offering in the inside one end of takeover inner tube and the three cavity that corresponds three jack position department, it is three the inboard equal sliding connection of cavity has a sliding plate, it is three the one end of sliding plate all is fixed with the fixed inserted bar that extends to the cavity outside, and the other end of three sliding plate all is connected with return spring, and is three return spring's one end is connected with the one end of three cavity respectively.

As a still further scheme of the utility model: and one side of each of the three sliding plates is fixedly provided with a sliding plate deflector rod extending to the outside of the cavity.

As a still further scheme of the utility model: and one end of each of the three valve body connecting pipes is rotatably connected with a connecting pipe through threads, and one end of each of the three connecting pipes is fixedly provided with a connecting flange.

As a still further scheme of the utility model: three flange seal circle is all provided with to flange's one end, and is three flange seal circle is the component of rubber material.

As a still further scheme of the utility model: one end of the valve ball rotating shaft extends to the outside of the valve body, and a rotating shaft handle is fixed at one end of the valve ball rotating shaft through a nut.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the sealing ring can be simply and rapidly disassembled and fixed by the conveniently-disassembled and assembled fixing mechanism, so that the excessively-worn sealing ring can be conveniently replaced, the maintenance difficulty of the ball valve is reduced, the service life of the ball valve is prolonged, the force in the direction of the ball valve is applied to the annular round shell and the sealing ring through the disk spring, the abrasion of the sealing ring can be compensated, the gap between the sealing ring and the ball valve is prevented, and the sealing performance of the ball valve is reduced.

Drawings

FIG. 1 is a schematic structural view of a novel three-way threaded ball valve;

FIG. 2 is a schematic view of the internal structure of a novel three-way threaded ball valve;

FIG. 3 is an enlarged schematic view of the section A in FIG. 2 of a novel three-way threaded ball valve;

fig. 4 is a schematic structural diagram of a novel three-way threaded ball valve with a fixing mechanism convenient to disassemble and assemble.

In the figure: 1. a valve body; 2. a valve ball; 3. a valve ball spindle; 4. a valve body connecting pipe; 5. connecting an inner pipe; 6. an annular round shell; 7. a seal ring; 8. a sliding ring; 9. a disc spring; 10. a connecting pipe; 11. a connecting flange; 12. a spindle handle; 13. a sliding plate; 14. fixing the inserted rod; 15. a return spring; 16. a slide plate deflector rod; 17. and (4) a flange sealing ring.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a novel three-way threaded ball valve includes a valve body 1, a valve ball 2 is disposed inside the valve body 1, one side of the valve ball 2 is rotatably connected to the inside of the valve body 1 through a valve ball rotating shaft 3, three valve body connecting pipes 4 arranged in an arc shape are inserted and fixed to the outside of the valve body 1, connecting pipe inner pipes 5 are slidably inserted into the insides of the three valve body connecting pipes 4, annular circular shells 6 are disposed at one ends of the three connecting pipe inner pipes 5, sealing rings 7 are fixed to one ends of the three annular circular shells 6, sliding circular rings 8 are slidably connected to the insides of the three annular circular shells 6, the outsides of the three annular circular shells 6 are respectively adapted to the insides of the three valve body connecting pipes 4, one ends of the three sliding circular rings 8 are respectively fixed to one ends of the three connecting pipe inner pipes 5, one ends of the insides of the three annular circular shells 6 are respectively provided with disc springs 9, and convenient assembling and disassembling machines with the same structure are respectively disposed between the three inner pipes 5 and the three valve body connecting pipes 4 And (5) forming.

In fig. 3 and 4: the conveniently-disassembled fixing mechanism comprises three jacks arranged at one end of the inner side of the valve body connecting pipe 4 in a circumferential manner and three cavities arranged at one end of the inner pipe 5 of the connecting pipe and corresponding to the three jacks, sliding plates 13 are connected to the inner sides of the three cavities in a sliding manner, fixed inserting rods 14 extending to the outside of the cavities are fixed to one ends of the three sliding plates 13, return springs 15 are connected to the other ends of the three sliding plates 13, one ends of the three return springs 15 are respectively connected with one ends of the three cavities, the three sliding plate driving rods 16 are driven to move towards the central direction, the three sliding plates 13 are respectively driven by the three sliding plate driving rods 16 to move towards the central position, the three return springs 15 are compressed, the three fixed inserting rods 14 are respectively separated from the three jacks, the locking between the connecting pipe inner pipe 5 and the valve body connecting pipe 4 can be released, and then the connecting pipe inner pipe 5 is pulled towards the outer side, the connecting pipe inner pipe 5 drives the annular round shell 6 and the sealing ring 7 to move out of the valve body connecting pipe 4, and the sealing ring 7 can be detached, so that the sealing ring 7 is conveniently replaced, the maintenance difficulty of the ball valve is reduced, and the service life of the ball valve is prolonged.

In fig. 3 and 4: one side of each of the three sliding plates 13 is fixed with a sliding plate shift lever 16 extending to the outside of the cavity, and the sliding plate shift lever 16 is used for driving the sliding plates 13 to move, so that the operation is convenient.

In fig. 1 and 3: one end of each of the three valve body connecting pipes 4 is rotatably connected with a connecting pipe 10 through threads, one end of each of the three connecting pipes 10 is fixedly provided with a connecting flange 11, and the connecting flange 11 is convenient for communicating the connecting pipe 10 with an external pipeline.

In fig. 1: one end of each of the three connecting flanges 11 is provided with a flange sealing ring 17, each of the three flange sealing rings 17 is a rubber component, and the flange sealing rings 17 play a role in sealing.

In fig. 1: one end of the valve ball rotating shaft 3 extends to the outside of the valve body 1, a rotating shaft handle 12 is fixed to one end of the valve ball rotating shaft 3 through a nut, and the rotating shaft handle 12 is used for driving the valve ball rotating shaft 3 to rotate so as to drive the valve ball 2 to rotate.

The working principle of the utility model is as follows: when the valve is used, the three connecting pipes 10 are communicated with an external pipeline through the connecting flange 11, the rotating shaft handle 12 is rotated, the rotating shaft handle 12 drives the valve ball rotating shaft 3 to rotate, the valve ball rotating shaft 3 drives the valve ball 2 to rotate, the valve ball 2 is driven to rotate by 90 degrees, the flow direction of fluid in the valve body 1 can be adjusted, after long-term use, abrasion is generated between the valve ball 2 and the sealing ring 7, the thickness of the sealing ring 7 can be gradually reduced, the disc spring 9 can generate elastic force to apply thrust to the valve ball 2 to the annular round shell 6 and the sealing ring 7, so that the thickness abrasion of the sealing ring 7 can be compensated, a gap is prevented from being generated between the sealing ring 7 and the valve ball 2, the sealing performance is influenced, when the sealing ring 7 is excessively abraded, the sealing ring 7 needs to be replaced, the connecting pipes 10 are firstly rotated and detached, then the three sliding plate deflector rods 16 are pulled towards the central direction, and the three sliding plate deflector rods 16 respectively drive the three sliding plates 13 to move towards the central position, compress three return spring 15, make three fixed inserted bar 14 separate with three jack respectively, can remove the locking between takeover inner tube 5 and the valve body takeover 4, then outside pulling takeover inner tube 5, takeover inner tube 5 drives annular shell 6 and sealing ring 7 and shifts out to the outside of valve body takeover 4, can dismantle sealing ring 7 to conveniently change sealing ring 7, reduced the maintenance degree of difficulty of ball valve, the life of extension ball valve.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The novel three-way threaded ball valve comprises a valve body (1) and is characterized in that a valve ball (2) is arranged on the inner side of the valve body (1), one side of the valve ball (2) is rotatably connected with the inner side of the valve body (1) through a valve ball rotating shaft (3), three valve body connecting pipes (4) which are arranged in an arc shape are inserted and fixed on the outer side of the valve body (1), connecting pipe inner pipes (5) are slidably inserted into the inner sides of the three valve body connecting pipes (4), annular round shells (6) are arranged at one ends of the three connecting pipe inner pipes (5), sealing rings (7) are fixed at one ends of the three annular round shells (6), sliding rings (8) are slidably connected inside the three annular round shells (6), the outer sides of the three annular round shells (6) are respectively matched with the inner sides of the three valve body connecting pipes (4), one ends of the three sliding rings (8) are respectively fixed with one ends of the three connecting pipe inner pipes (5), disc springs (9) are arranged at one ends of the three annular circular shells (6), and convenient disassembly and assembly fixing mechanisms with the same structure are arranged between the three connecting pipe inner pipes (5) and the three valve body connecting pipes (4).

2. The novel three-way threaded ball valve according to claim 1, wherein the fixing mechanism comprises three circumferentially arranged jacks arranged at one end of the inner side of the valve body connecting pipe (4) and three cavities arranged at one end of the inner pipe (5) of the connecting pipe and corresponding to the three jacks, sliding plates (13) are slidably connected to the inner sides of the three cavities, fixed inserting rods (14) extending to the outside of the cavities are fixed to one ends of the three sliding plates (13), return springs (15) are connected to the other ends of the three sliding plates (13), and one ends of the three return springs (15) are respectively connected to one ends of the three cavities.

3. A novel three-way threaded ball valve according to claim 2, characterized in that a sliding plate deflector rod (16) extending to the outside of the chamber is fixed to each of three sliding plates (13).

4. A novel three-way threaded ball valve according to claim 1, characterized in that one end of each of the three valve body connecting pipes (4) is rotatably connected with a connecting pipe (10) through a thread, and one end of each of the three connecting pipes (10) is fixed with a connecting flange (11).

5. A novel three-way threaded ball valve according to claim 4, characterized in that one end of each of the three connecting flanges (11) is provided with a flange seal ring (17), and each of the three flange seal rings (17) is a rubber member.

6. The novel three-way threaded ball valve according to claim 1, characterized in that one end of the valve ball rotating shaft (3) extends to the outside of the valve body (1), and a rotating shaft handle (12) is fixed to one end of the valve ball rotating shaft (3) through a nut.