CN219102099U

CN219102099U - Single-handle double-control valve

Info

Publication number: CN219102099U
Application number: CN202223360964.6U
Authority: CN
Inventors: 王博; 张玲
Original assignee: Suzhou Getep Fluid Equipment Co ltd
Current assignee: Suzhou Getep Fluid Equipment Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-30
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a single-handle double-control valve which comprises two valve bodies, valve seats, ball valve cores, valve rods and handles which are independently arranged, wherein each valve body is provided with a valve cavity, a first flow passage, a second flow passage and a third flow passage which are communicated with the valve cavity, each valve cavity is internally provided with a valve seat and a ball valve core which are in sealing fit, the valve rods are arranged between the two valve bodies, two ends of each valve rod are respectively connected to the ball valve cores in the two valve cavities in a transmission way, and the handles are connected to the valve rods and can drive the valve rods to rotate so as to drive the two ball valve cores and the valve seats to form sealing rotation at the same time, so that the communication relation among the first flow passage, the second flow passage and the third flow passage of each of the two valve bodies is changed. According to the utility model, the valve rod is driven by the single handle to rotate so as to drive the ball valve cores in the two independent valve bodies to synchronously rotate, so that the opening and closing of three flow passages of the two independent valve bodies are controlled, the pipeline connecting ports are reduced, the pipeline space is saved, and the synchronous switching of the two fluid flow directions can be satisfied.

Description

Single-handle double-control valve

Technical Field

The utility model relates to the technical field of valves, in particular to a single-handle double-control valve.

Background

The valve is used as a connecting center of each pipeline, and the application range is very wide. The valve commonly used has three-way valve, straight-through valve etc. and the three-way valve can be used in the pipeline that needs to change fluidic direction, and the three-way valve can set up to two into one or one into two out to satisfy the demand of different service environment, after the medium got into, drive the internal spheroid case rotation of valve through rotating the handle, thereby control the break-make and the flow of medium.

When the requirements of multiple pipelines and multiple flow directions are required to be met, the switching of multiple flow paths is often realized by arranging a plurality of three-way valves, so that the occupied space is increased due to the increase of pipeline joints; meanwhile, when the three-way valves are switched, the handles of the three-way valves are required to be turned in sequence to switch the flow paths, so that the workload is high, the operation is easy to fatigue, and the simultaneous switching of the fluid flow directions is difficult to realize; even if an automatic control system is adopted, a large amount of program codes are required to be input, and the reaction and action time of the program are prolonged.

Disclosure of Invention

In order to overcome the defects, the utility model provides the single-handle double-control valve which has the advantages of simple structure, convenient operation, reduced pipeline joints, small occupied space and capability of realizing the simultaneous flow direction switching of two paths of fluid.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a two accuse valves of single handle, including two valve bodies, disk seat, spheroid case, valve rod and the handle that independently set up, its characterized in that: each valve body is provided with a valve cavity, a first flow passage, a second flow passage and a third flow passage which are communicated with the valve cavity, each valve cavity is internally provided with a valve seat and a sphere valve core which are in sealing fit, the valve rod is arranged between the two valve bodies, two ends of the valve rod are respectively connected to the sphere valve cores in the two valve cavities in a transmission mode, the handle is connected to the valve rod and can drive the valve rod to rotate so as to drive the two sphere valve cores and the valve seat to form sealing rotation, and therefore the communication relation among the first flow passage, the second flow passage and the third flow passage of each valve body is changed.

As a further development of the utility model, each of the valve bodies is provided with a connecting channel on the side opposite the second flow channel, in which connecting channel the valve stem is mounted in a rotary seal.

As a further development of the utility model, the connecting channel is on the same axis as the second flow channel.

As a further improvement of the utility model, the first flow passage and the third flow passage of each valve body are coaxial, and the axis of the second flow passage is perpendicular to the axes of the first flow passage and the third flow passage.

As a further improvement of the utility model, the valve seat is provided with a through hole matched with the first flow passage, the second flow passage and the third flow passage.

As a further improvement of the utility model, the ball valve core is provided with an inner cavity and three diversion holes communicated with the inner cavity, and the axes of the three diversion holes are mutually perpendicular.

As a further improvement of the present utility model, the aperture of the guide hole is equal to the aperture of the through hole.

As a further improvement of the utility model, the diversion hole communicated with the second flow passage by the ball valve core is provided with a limiting pipe extending outwards, and the limiting pipe is used for limiting the ball valve core to rotate around the axis of the second flow passage.

The beneficial effects of the utility model are as follows: the valve rod is driven by the single handle to rotate so as to drive the ball valve core in the two independent valve bodies to synchronously rotate, so that the opening and closing of the three flow channels of the two independent valve bodies are controlled, the fluid directions of the two valve bodies can be simultaneously changed by only operating the single handle, the pipeline connecting ports are reduced, the pipeline space is saved, the use of synchronously switching the two fluid flows can be met, and the valve is simple in structure and convenient to operate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the present utility model in vertical cross-section along the central axis of the valve stem;

FIG. 3 is a schematic diagram of the structure of the ball valve core of the present utility model;

FIG. 4 is a schematic view of a valve seat structure according to the present utility model.

The following description is made with reference to the accompanying drawings:

1. a valve body; 11. a valve cavity; 12. a first flow passage; 13. a second flow passage; 14. a third flow passage; 15. a connection channel; 2. a valve seat; 21. a via hole; 3. a ball valve core; 31. an inner cavity; 32. a deflector aperture; 33. a limiting tube; 4. a valve stem; 5. a handle.

Detailed Description

A preferred embodiment of the present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, the single-handle double-control valve provided by the utility model comprises two independent valve bodies 1, valve seats 2, a ball valve core 3, valve rods 4 and handles 5, wherein each valve body 1 is provided with a valve cavity 11, a first flow passage 12, a second flow passage 13 and a third flow passage 14 which are communicated with the valve cavity 11, each valve cavity 11 is internally provided with the valve seat 2 and the ball valve core 3 which are in sealing fit, the valve rod 4 is arranged between the two valve bodies 1, two ends of the valve rod 4 are respectively connected to the ball valve cores 3 in the two valve cavities 11 in a transmission manner, and the handles 5 are connected to the valve rod 4 and can drive the valve rod 4 to rotate so as to simultaneously drive the two ball valve cores 3 and the valve seats 2 to form sealing rotation, so that the communication relationship among the first flow passages 12, the second flow passages 13 and the third flow passages 14 of the two valve bodies 1 is changed. Each valve body 1 is provided with a connecting channel 15 on the side opposite the second flow channel 13, in which connecting channel 15 the valve stem 4 is mounted in a rotary seal. And the connecting channel 15 is on the same axis as the second flow channel 13. The first flow passage 12 and the third flow passage 14 of each valve body 1 are coaxial, and the axis of the second flow passage 13 is perpendicular to the axes of the first flow passage 12 and the third flow passage 14. At the same time, the valve seat 2 is provided with a through hole 21 matched with the first flow passage 12, the second flow passage 13 and the third flow passage 14. The ball valve core 3 has an inner cavity 31 and three diversion holes 32 communicating with the inner cavity 31, and the axes of the three diversion holes 32 are mutually perpendicular. The aperture of the deflector hole 32 is equal to that of the deflector hole 21. The diversion hole 32 of the ball valve core 3 communicating with the second flow passage 13 has an outwardly extending limit pipe 33, and the limit pipe 33 is used for limiting the rotation of the ball valve core 3 around the axis of the second flow passage 13.

Specifically, each valve body 1 has a cross-shaped structure, wherein the first flow channel 12 and the third flow channel 14 are coaxially arranged, the second flow channel 13 and the connecting channel 15 are coaxially arranged, and two axes are rubber in the valve cavity 11. The valve cavity 11 is a cylindrical cavity, a cylindrical valve seat 2 is arranged in the cylindrical cavity in a sealing manner, a through hole 21 communicated with the second flow channel 13, the third flow channel 14 and the connecting channel 15 of the first flow channel 12 is formed in the valve seat 2, the axis of the through hole 21 is intersected in the spherical cavity of the valve seat 2, the spherical valve core 3 is rotatably and hermetically arranged in the spherical cavity, three mutually perpendicular flow guide holes 32 are formed in the spherical valve core 3, a limit pipe 33 arranged in one flow guide hole 32 is arranged in a cylindrical channel matched with the limit pipe 33 and formed in the valve seat 2, the limit pipe 33 is communicated with the second flow channel 13 and is coaxial with the valve rod 4, and therefore the second flow channel 13 is continuously communicated with the limit pipe 33 on the spherical valve core 3, and the second flow channel 3 serves as a fluid inlet end of the valve body. A sealing ring is arranged between the valve rod 4 and the connecting channel 15.

The working principle of the utility model is as follows: the handle 5 is rotated to drive the valve rod 4 to rotate so as to drive the spherical valve cores 3 at the two ends of the valve rod 4 to rotate in the valve seat 2, and the relation between the diversion holes 32 on the spherical valve cores 3 and the through holes 21 on the valve seat 2 is switched. When the diversion hole 32 of the spherical valve core 3 rotates to be communicated with the first flow passage 12, the third flow passage 14 is blocked by the spherical surface of the spherical valve core 3, and the first flow passage 12 and the second flow passage 13 are communicated; when the diversion hole 32 of the spherical valve core 3 rotates to be communicated with the third flow passage 14, the first flow passage 12 is blocked by the spherical surface of the spherical valve core 3, and the third flow passage 14 is communicated with the second flow passage 13; when the spherical rotation of the spherical spool 3 abuts against the first flow passage 12 and the third flow passage 14, the flow passage is closed at this time.

According to the single-handle double-control valve provided by the utility model, the valve rod is driven by the single handle to rotate so as to drive the ball valve cores in the two independent valve bodies to synchronously rotate, so that the opening and closing of three flow channels of the two independent valve bodies are controlled, the fluid directions of the two valve bodies can be simultaneously changed by only operating the single handle, the pipeline connecting ports are reduced, the pipeline space is saved, the synchronous switching of the two fluid flows can be met, and the single-handle double-control valve is simple in structure and convenient to operate.

In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The foregoing description is only of a preferred embodiment of the utility model, which can be practiced in many other ways than as described herein, so that the utility model is not limited to the specific implementations disclosed above. While the foregoing disclosure has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model without departing from the technical solution of the present utility model still falls within the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a two accuse valves of single handle, includes two valve body (1), disk seat (2), spheroid case (3), valve rod (4) and handle (5) that independently set up, its characterized in that: each valve body (1) is provided with a valve cavity (11), a first flow passage (12), a second flow passage (13) and a third flow passage (14) which are communicated with the valve cavity (11), each valve cavity (11) is internally provided with a valve seat (2) and a ball valve core (3) which are in sealing fit, each valve rod (4) is arranged between the two valve bodies (1), two ends of each valve rod (4) are respectively connected to the ball valve cores (3) in the two valve cavities (11) in a transmission mode, and the handle (5) is connected to the valve rods (4) and can drive the valve rods (4) to rotate so as to simultaneously drive the two ball valve cores (3) and the valve seats (2) to form sealing rotation, so that the communication relation among the first flow passages (12), the second flow passages (13) and the third flow passages (14) of the two valve bodies (1) is changed.

2. The single-handle double control valve according to claim 1, wherein: each valve body (1) is provided with a connecting channel (15) on the side opposite to the second flow channel (13), and the valve rod (4) is rotatably and hermetically arranged in the connecting channel (15).

3. The single-handle double control valve of claim 2, wherein: the connecting channel (15) is on the same axis as the second flow channel (13).

4. A single handle double control valve according to claim 3, wherein: the first flow channel (12) and the third flow channel (14) of each valve body (1) are coaxial, and the axis of the second flow channel (13) is perpendicular to the axes of the first flow channel (12) and the third flow channel (14).

5. The single-handle double control valve of claim 4, wherein: the valve seat (2) is provided with a through hole (21) matched with the first flow passage (12), the second flow passage (13) and the third flow passage (14).

6. The single-handle double control valve of claim 5, wherein: the ball valve core (3) is provided with an inner cavity (31) and three diversion holes (32) communicated with the inner cavity (31), and the axes of the three diversion holes (32) are mutually perpendicular.

7. The single-handle double control valve of claim 6, wherein: the aperture of the diversion hole (32) is equal to that of the through hole (21).

8. The single-handle double control valve of claim 7, wherein: the diversion hole (32) communicated with the second flow channel (13) of the ball valve core (3) is provided with a limiting pipe (33) extending outwards, and the limiting pipe (33) is used for limiting the ball valve core (3) to rotate around the axis of the second flow channel (13).