CN217207845U

CN217207845U - Ball valve

Info

Publication number: CN217207845U
Application number: CN202220628504.8U
Authority: CN
Inventors: 李小琴; 高克玄
Original assignee: Shaanxi Globo Mechanical Equipment Co ltd
Current assignee: Shaanxi Globo Mechanical Equipment Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-08-16
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a ball valve of using among colliery hydraulic system, including valve body, joint, sealing washer, case, valve rod, external thread bush, internal thread bush, handle. The valve cavity is arranged in the valve body, the quick-insertion female joint is arranged at the right end of the valve body, and the left end of the valve body is in threaded connection with the joint. The valve core is a ball body and is arranged in the valve body, the left and right sides of the valve core are provided with the PTFE valve seats, the valve rod is inserted on the valve core, the outer thread sleeve is arranged at the lower end of the valve rod and is fixed with the valve body through threads, and the inside and the outside of the outer thread sleeve are respectively provided with O-shaped rings for sealing. The internal thread sleeve is arranged at the top end of the valve rod and is in threaded connection with the valve rod, and the spring is arranged between the internal thread sleeve and the inner wall of the handle, so that the handle is tightly pressed on the valve body. Two limiting clamping grooves are formed in the handle and matched with limiting pins arranged on the valve body to open and close the valve body. The utility model has the advantages of the structure is reliable, long service life, easily operation, the rotation stroke of valve switch is clear and definite, can improve work efficiency.

Description

Ball valve

Technical Field

The utility model relates to a ball valve for among colliery hydraulic system.

Background

A ball valve in a coal mine system is a liquid control part and plays a role in stopping and conducting working media in the hydraulic system. It has wide application and higher requirements. When the ball valve is used, the indication of some ball valve switches is not clear, so that the switches are not in place and the system is not smooth; some ball valve handles are not firm and are easy to loosen and even fall off, tools such as a wrench are needed after the handles fall off, operation is troublesome, time is wasted, and workload is increased.

Disclosure of Invention

An object of the utility model is to solve the above-mentioned problem, provide a simple structure is reliable, long service life, the ball valve of easily operating, the rotation stroke of valve switch is clear and definite, can improve work efficiency.

In order to achieve the above object, the utility model discloses a ball valve, including valve body, joint, sealing washer, case, valve rod, external thread bush, internal thread bush, handle. The valve cavity is arranged in the valve body, the quick-insertion female joint is arranged at the right end of the valve body, and the left end of the valve body is in threaded connection with the joint. The valve core is the spheroid, sets up in the valve body, has the tetrafluoro disk seat to seal about, and two tetrafluoro disk seats about lean on respectively in the valve body recess and the right-hand member that connects, and the inseparable degree between rotary joint and the valve body complex screw thread can be adjusted valve core and the tetrafluoro disk seat, guarantees the leakproofness of ball valve. The valve rod is inserted on the valve core, the external thread sleeve is arranged at the lower end of the valve rod and is fixed with the valve body through threads, and the inside and the outside of the valve rod are respectively provided with an O-shaped ring for sealing. The internal thread cover sets up on the valve rod top, with valve rod threaded connection, sets up the spring between internal thread cover and the handle inner wall, can make the handle sticiss on the valve body, is difficult for the pine to take off. Set up two spacing draw-in grooves on the handle, set up the spacer pin on the valve body, when opening or closing the ball valve, need overcome spring force and pull up the handle and make the draw-in groove leave the spacer pin, rotate 90 backs, another spacing draw-in groove changes to spacer pin department and carries on spacingly, loosens the handle, and the handle is kick-backed and is pressed on the valve body under the effect of spring.

The utility model discloses a both ends interface can be processed into the fast interface of multiple specification and size such as DN10, DN12, DN20, DN 25.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of an embodiment of the present invention;

labeled as: 10. a valve body; 11. a valve cavity; 21. a joint; 22. a tetrafluoro valve seat; 23. a valve core; 24. a valve stem; 25. an external thread sleeve; 26. an O-shaped ring; 27. an O-shaped ring; 28. a handle; 29. a spacing pin; 30. a spring; 31. and an internal thread sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

The utility model relates to a ball valve, including valve body 10, joint 21, sealing washer 22, case 23, valve rod 24, external thread bush 25, internal thread bush 31, handle 28. The valve cavity 11 is arranged in the valve body 10, the right end of the valve body 10 is provided with the quick-inserting female joint, and the left end of the valve body 10 is in threaded connection with the joint 21. The valve core 23 is a ball body and is arranged in the valve body 10, the left and right tetrafluoro valve seats 22 are used for sealing, the left and right tetrafluoro valve seats 22 lean against the groove of the valve body 10 and the right end of the connector 21 respectively, and the tightness between the valve core 23 and the tetrafluoro valve seats 22 can be adjusted by the aid of threads matched with the valve body 10 through the rotary connector 21, so that the sealing performance of the ball valve is guaranteed. The valve rod 24 is inserted on the valve core 23, the external thread sleeve 25 is arranged at the lower end of the valve rod 24 and is fixed with the valve body 10 in a thread mode, and the inside and the outside of the valve rod are respectively provided with an O-shaped ring 27 and an O-shaped ring 26 for sealing. The internal thread sleeve 31 is arranged at the top end of the valve rod 24 and is in threaded connection with the valve rod 24, and the spring 30 is arranged between the internal thread sleeve 31 and the inner wall of the handle 28, so that the handle 28 is tightly pressed on the valve body 10 and is not easy to loosen. Two limiting clamping grooves are formed in the handle 28, the limiting pin 29 is arranged on the valve body 10, when the ball valve 10 is opened or closed, the handle 28 needs to be pulled up to enable the clamping grooves to be separated from the limiting pin 29 by overcoming the elastic force of the spring 30, the handle 28 is rotated, the handle 28 drives the valve rod 24, the valve rod 24 drives the valve core 23, and the opening and closing of the ball valve are achieved. After the valve body rotates by 90 degrees, the other limiting clamping groove rotates to the limiting pin 29 to limit, the handle 28 is loosened, and the handle 28 rebounds and presses on the valve body 10 under the action of the spring 30.

The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.

Claims

1. The utility model provides a ball valve, includes valve body, joint, sealing washer, case, valve rod, external thread bush, internal thread bush, handle, its characterized in that: the valve body is internally provided with a valve cavity, the right end of the valve body is provided with a quick-insert female joint, the left end of the valve body is in threaded connection with the joint, the valve core is a sphere and is arranged in the valve body, the left and right tetrafluoro valve seats are sealed, the left and right tetrafluoro valve seats are respectively leaned against the right end of the joint and the groove of the valve body, the valve rod is inserted on the valve core, an external thread sleeve is arranged at the lower end of the valve rod and is in threaded fixation with the valve body, the inside and the outside are respectively provided with an O-shaped ring for sealing, an internal thread sleeve is arranged at the top end of the valve rod and is in threaded connection with the valve rod, a spring is arranged between the internal thread sleeve and the inner wall of the handle, the handle can be pressed tightly on the valve body, the handle is provided with two limiting clamping grooves, the valve body is provided with a limiting pin, when the ball valve is opened or closed, need overcome spring force and pull up the handle and make the draw-in groove leave the spacer pin, rotate 90 backs, another spacing draw-in groove changes to spacer pin department and spacing, loosens the handle, and the handle is kick-backed under the effect of spring and is pressed on the valve body.

2. The ball valve according to claim 1, wherein: the valve body is provided with a limiting pin, the handle is provided with two limiting clamping grooves, and when the ball valve is opened and closed, the rotation stroke of the valve switch is clear.

3. The ball valve according to claim 1, wherein: the internal thread cover sets up on the valve rod top, with valve rod threaded connection, sets up the spring between internal thread cover and the handle inner wall, can make the handle sticiss on the valve body, is difficult for the pine to take off.

4. The ball valve according to claim 1, wherein: the two-end interface can be processed into quick-connection interfaces with various specifications and sizes such as DN10, DN12, DN20 and DN 25.