CN210890290U

CN210890290U - Ball valve convenient to operate

Info

Publication number: CN210890290U
Application number: CN201921997313.3U
Authority: CN
Inventors: 张鼎
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-06-30
Anticipated expiration: 2029-11-18

Abstract

The application discloses convenient operation's ball valve, include the valve casing and install the valve body in the valve casing, be equipped with the second intercommunication chamber that link up the valve body in the valve body, the upper end of valve body is equipped with first intercommunication chamber, be equipped with the ball sealer in the first intercommunication chamber, be equipped with the fourth intercommunication chamber that link up the ball sealer in the ball sealer, fourth intercommunication chamber, the central line of second intercommunication chamber and first passageway is located same horizontal plane, be equipped with the rotatory valve rod of drive ball sealer on the ball sealer, be equipped with the knob on the valve rod, the valve rod is equipped with the spacer with ball sealer linking department, the ball sealer includes the spheroid and is located the first square mouth on the spheroid, the one end that the knob was kept away from to the valve rod is pegged graft in first square mouth, the spacer is installed on the spheroid and is located first square mouth arbitrary angle, the one end that the knob was kept away from to the valve rod is equipped. The utility model discloses a ball valve convenient operation, and the leakproofness is good under the state of opening a circuit.

Description

Ball valve convenient to operate

Technical Field

The utility model relates to a technical field of ball valve especially relates to a convenient operation's ball valve.

Background

Ball valves, also known as shut-off valves, are force-sealed valves, so that when the valve is closed, pressure must be applied to the flap to force the sealing surface against leakage. The ball valve, also called stop valve, is one of the most widely used valves, and is popular because of the small friction between the sealing surfaces in the opening and closing process, the durability, the small opening height, the easy manufacture, the convenient maintenance, and not only suitable for the middle and low pressure, but also suitable for the high pressure. Ball valve complex operation among the prior art, the structure that is used for sealing under the state of opening circuit is complicated, leads to under the state of opening circuit, and the ball valve is sealed poor, demand when can't satisfying practical use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough and provide a convenient operation, ball valve that the leakproofness is good.

Solve the technical problem, the utility model discloses take following technical scheme:

the utility model provides a convenient operation's ball valve, include the valve casing and install the valve body in the valve casing, be equipped with the second intercommunication chamber that link up the valve body in the valve body, the upper end of valve body is equipped with first intercommunication chamber, be equipped with the ball sealer in the first intercommunication chamber, be equipped with the fourth intercommunication chamber that link up the ball sealer in the ball sealer, fourth intercommunication chamber, the central line of second intercommunication chamber and first passageway is located same horizontal plane, be equipped with the rotatory valve rod of drive ball sealer on the ball sealer, be equipped with the knob on the valve rod, the valve rod is equipped with the spacer with ball sealer linking department, the ball sealer includes the spheroid and is located the first square mouth on the spheroid, the one end that the knob was kept away from to the valve rod is pegged graft in first square mouth, the spacer is installed on the spheroid and is located the direction at the arbitrary angle of first square mouth, the one end that the knob was.

The embodiment of the utility model provides a valve casing includes valve casing body, first installation cavity and first passageway, and the upper end of valve casing body is located to first installation cavity, and first passageway runs through the both ends of valve casing body and communicates with first installation cavity, and the valve body is installed in first installation cavity, first communication cavity and first passageway intercommunication.

The embodiment of the utility model provides a ball sealer is still including the sealed surrounding edge of locating fourth intercommunication chamber opening part, is equipped with third intercommunication chamber on the sealed surrounding edge, and third intercommunication chamber and fourth intercommunication chamber intercommunication.

The embodiment of the utility model provides a first sealing washer has been cup jointed to the periphery of pressing the cap.

The embodiment of the utility model provides a valve rod includes stiff end, valve rod body and first spacing ring channel, stiff end and knob fixed connection, and the periphery of stiff end and the one end that is close to the ball sealer are located to first spacing ring channel, and the valve rod body runs through and presses the cap setting, and is equipped with the third sealing washer between first spacing ring channel and the pressure cap, and the joint is cup jointed in first spacing ring channel to the third sealing washer.

The embodiment of the utility model provides a valve rod is including still the spacing ring channel of second, and the periphery of stiff end and the one end that is close to the ball sealer are located to the spacing ring channel of second, the spacing ring channel of second and press to be equipped with the second sealing washer between the cap, and second sealing washer joint is in the spacing seal groove of second.

The embodiment of the utility model provides a spacing ring channel of second's external diameter is greater than the external diameter of first spacing ring channel.

The utility model has the advantages that: the ball valve is characterized in that the sealing ball is driven to rotate by the valve rod, the positioning sheet is arranged on the ball body and located at any angle of the first square opening, the fourth communicating cavity on the sealing ball is communicated with the second communicating cavity at the initial position of the sealing ball, the ball valve is in an open circuit state at the moment, when the sealing ball is rotated, and the positioning sheet rotates for 90 degrees, the fourth communicating cavity on the sealing ball is rotated to be sealed with the inner wall of the valve body, the fourth communicating cavity is blocked by the valve body, the ball valve is in an open circuit state at the moment, the positioning sheet is utilized to realize that the sealing ball can be subjected to open circuit or open circuit adjustment under the condition of a small rotating angle, operation of the ball valve is facilitated, meanwhile, due to the fact that the sealing ball is adopted to realize the open circuit and closed circuit adjustment, components for the open circuit and closed circuit adjustment are reduced, the.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

Fig. 1 is an exploded view of a conveniently operated ball valve according to the present invention;

FIG. 2 is a front view of the ball valve of the present invention in which the operation is convenient;

fig. 3 is a top view of the sealing ball in the ball valve of the present invention, which is convenient to operate.

The figures are numbered:

1. a valve housing; 101. a valve housing body; 102. a first mounting cavity; 103. a first channel; 201. a valve body; 202. a first communicating chamber; 203. a second communicating chamber; 3. a sealing ball; 301. a sphere; 302. sealing the surrounding edge; 303. a first square opening; 304. a third communicating chamber; 305. a fourth communicating chamber; 4. positioning plates; 401. a positioning sheet body; 402. a second square opening; 5. a first seal ring; 6. a second seal ring; 7. a third seal ring; 8. pressing the cap; 9. a shaft sleeve; 10. a knob; 11. a valve stem; 1101. a fixed end; 1102. a valve stem body; 1103. a first limiting annular groove; 1104. a second limiting annular groove.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Referring to fig. 1-3, a ball valve convenient to operate according to an embodiment of the present invention includes a valve housing 1 and a valve body 201 installed in the valve housing 1, a second communicating chamber 203 is provided in the valve body 201 and penetrates through the valve body 201, a first communicating chamber 202 is provided at an upper end of the valve body 201, a ball sealer 3 is provided in the first communicating chamber 202, a fourth communicating chamber 305 is provided in the ball sealer 3 and penetrates through the ball sealer 3, center lines of the fourth communicating chamber 305, the second communicating chamber 203 and the first passage 103 are located in a same horizontal plane, a valve rod 11 for driving the ball sealer 3 to rotate is provided on the ball sealer 3, a knob 10 is provided on the valve rod 11, a positioning plate 4 is provided at a joint of the valve rod 11 and the ball sealer 3, the ball sealer 3 includes a ball 301 and a first square opening 303 located on the ball 301, one end of the valve rod 11, which is far away from the knob 10, is inserted in the first square opening 303, the positioning plate 4 is installed on the ball 301 and, the one end that knob 10 was kept away from to valve rod 11 is equipped with pressure cap 8, and it is fixed through screw-thread fit with first intercommunication chamber 202 to press cap 8, and valve casing 1 includes valve casing body 101, first installation cavity 102 and first passageway 103, and the upper end of valve casing body 101 is located to first installation cavity 102, and first passageway 103 runs through the both ends of valve casing body 101 and communicates with first installation cavity 102, and valve body 201 is installed in first installation cavity 102, first intercommunication chamber 202 and first passageway 103 intercommunication.

The working principle is as follows: the sealing ball 3 is driven to rotate by the valve rod 11, and because the positioning sheet 4 is arranged on the ball body 301 and is positioned in the direction of any one angle of the first square opening 303, in the initial position of the sealing ball 3, the fourth communication chamber 305 on the sealing ball 3 is communicated with the second communication chamber 203, and the ball valve is in a passage state, when the sealing ball 3 is rotated and the positioning plate 4 is rotated by 90 degrees, the fourth communicating cavity 305 on the sealing ball 3 is rotated to form a seal with the inner wall of the valve body 201, the fourth communicating cavity 305 is blocked by the valve body 201, the ball valve is in an open circuit state, the positioning plate 4 is utilized to realize the adjustment of the opening or closing of the ball valve under the condition that the sealing ball 3 rotates by a small angle, the operation of the ball valve is convenient, meanwhile, the sealing ball 3 is adopted to realize the adjustment of on-off, so that the parts for adjusting on-off are reduced, the risk of liquid leakage is reduced, and the sealing performance in the off state is improved.

In this embodiment, the sealing ball 3 further includes a sealing surrounding edge 302 disposed at an opening of the fourth communicating chamber 305, a third communicating chamber 304 is disposed on the sealing surrounding edge 302, and the third communicating chamber 304 is communicated with the fourth communicating chamber 305. The sealing skirt 302 achieves that a better sealing is obtained in the open circuit state of the ball valve.

In this embodiment, the first seal ring 5 is fitted around the outer periphery of the pressure cap 8. The first seal ring 5 can improve the sealing performance between the press cap 8 and the valve body 201.

In this embodiment, the valve rod 11 includes the stiff end 1101, the valve rod body 1102 and the first spacing annular groove 1103, stiff end 1101 and knob 10 fixed connection, the first spacing annular groove 1103 is located the periphery of stiff end 1101 and is close to the one end of sealing ball 3, the valve rod body 1102 runs through the setting of pressure cap 8, and is equipped with the third sealing washer 7 between first spacing annular groove 1103 and the pressure cap 8, and the joint is cup jointed in the first spacing annular groove 1103 to the third sealing washer 7.

In this embodiment, the valve rod 11 further includes a second limiting annular groove 1104, the second limiting annular groove 1104 is disposed on the outer periphery of the fixing end 1101 and is close to one end of the sealing ball 3, a second sealing ring 6 is disposed between the second limiting annular groove 1104 and the pressing cap, and the second sealing ring 6 is clamped in the second limiting sealing groove 1104. Through the sealing fit of the second sealing ring 6 and the second limiting annular groove 1104, the sealing performance between the valve rod 11 and the pressing cap 8 is effectively improved.

In this embodiment, the outer diameter of the second limiting ring groove 1104 is larger than the outer diameter of the first limiting ring groove 1103. So set up, guarantee that valve rod 11 and pressure cap 8 junction second sealing washer 6 can block most liquid, further guaranteed the leakproofness.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. A ball valve convenient to operate is characterized by comprising a valve shell and a valve body arranged in the valve shell, wherein a second communicating cavity communicated with the valve body is arranged in the valve body, a first communicating cavity is arranged at the upper end of the valve body, a sealing ball is arranged in the first communicating cavity, a fourth communicating cavity communicated with the sealing ball and a fourth communicating cavity are arranged in the sealing ball, the central line of second intercommunication chamber and first passageway is located same horizontal plane, be equipped with the rotatory valve rod of drive ball sealer on the ball sealer, be equipped with the knob on the valve rod, the valve rod links up the department with the ball sealer and is equipped with the spacer, the ball sealer includes the spheroid and is located the first four square mouths on the spheroid, the one end that the knob was kept away from to the valve rod is pegged graft in first four square mouths, the spacer is installed on the spheroid and is located the direction at the arbitrary angle of first four square mouths, the one end that the knob was kept away from to the valve rod is equipped with presses the cap, it is fixed through screw-thread fit with first.

2. The ball valve of claim 1, wherein the valve housing includes a housing body, a first installation cavity formed at an upper end of the housing body, and a first passage extending through both ends of the housing body and communicating with the first installation cavity, the valve body being installed in the first installation cavity, and the first communication cavity communicating with the first passage.

3. The ball valve of claim 1, wherein the sealing ball further comprises a sealing surrounding edge disposed at an opening of the fourth communicating chamber, and a third communicating chamber is disposed on the sealing surrounding edge and is communicated with the fourth communicating chamber.

4. The ball valve of claim 1, wherein a first sealing ring is sleeved on an outer circumference of the pressing cap.

5. The ball valve of claim 1, wherein the valve rod comprises a fixed end, a valve rod body and a first limiting annular groove, the fixed end is fixedly connected with the knob, the first limiting annular groove is formed in the periphery of the fixed end and is close to one end of the sealing ball, the valve rod body penetrates through the pressing cap, a third sealing ring is arranged between the first limiting annular groove and the pressing cap, and the third sealing ring is sleeved and clamped in the first limiting annular groove.

6. The ball valve of claim 5, wherein the valve stem further comprises a second limiting annular groove, the second limiting annular groove is formed in the periphery of the fixed end and is close to one end of the sealing ball, a second sealing ring is arranged between the second limiting annular groove and the pressing cap, and the second sealing ring is clamped in the second limiting sealing groove.

7. An operatively convenient ball valve as claimed in claim 6 wherein the second limiting ring groove has an outer diameter greater than the outer diameter of the first limiting ring groove.