CN214063849U

CN214063849U - Ball valve with high wear resistance

Info

Publication number: CN214063849U
Application number: CN202022704419.9U
Authority: CN
Inventors: 谭伟
Original assignee: Fang Tianxing
Current assignee: Fang Tianxing
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-27
Anticipated expiration: 2030-11-20

Abstract

The utility model belongs to the technical field of ball valves, in particular to a ball valve with high wear resistance, which comprises a valve body, wherein the interior of the valve body is fixedly connected with two symmetrical valve seats, the inner side of each valve seat is elastically connected with a rubber ring, the interior of the valve body is provided with a cavity, the interior of the cavity is positioned between the two valve seats and is provided with a ball body, the upper end and the lower end of the ball body are fixedly connected with adjusting rods, and one ends of the two adjusting rods, which are far away from the ball body, are all rotated in the valve body; can not contact the ball body seal with the rubber circle on the disk seat in the activity space, avoided the spheroid to produce the friction with the rubber circle when rotating and lead to the impaired condition of influencing the sealed effect of rubber circle to appear, can also reduce the gap between impaired closing plate and the protection casing, avoided producing the condition emergence of leaking because of the closing plate receives wearing and tearing, increased the sealed effect of ball valve, improved the life of ball valve, the practicality is strong.

Description

Ball valve with high wear resistance

Technical Field

The utility model relates to a ball valve technical field specifically is a ball valve with high wear resistance.

Background

The ball valve is driven by a valve rod and rotates around the axis of the ball valve, and can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard-seal V-shaped ball valve and a metal valve seat of a build-up welding hard alloy have strong shearing force, and the multi-way ball valve is particularly suitable for media containing fibers, tiny solid particles and the like, can flexibly control the confluence, the diversion and the flow direction switching of the media on a pipeline, and can also close any channel to connect the other two channels.

The sealing surface between the ball body and the valve body can be abraded due to frequent rotation and friction of the ball body, the sealing effect of the ball valve is reduced, and the service life of the ball valve is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve with high wearability to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a ball valve with high wear resistance comprises a valve body, wherein two symmetrical valve seats are fixedly connected inside the valve body, a rubber ring is elastically connected to the inner side of each valve seat, a cavity is formed inside the valve body, a ball body is arranged between the two valve seats inside the cavity, adjusting rods are fixedly connected to the upper end and the lower end of the ball body, one ends of the two adjusting rods, which are far away from the ball body, rotate inside the valve body, the ball body is rotatably connected with the valve body through the adjusting rods, a protective cover is fixedly connected to the outer wall of the ball body, a flow passage for draining water is formed inside the ball body and the protective cover, fixing covers are fixedly connected to the upper end and the lower end of the ball body inside the cavity, grooves matched with the ball body are formed in the fixing covers, and the two fixing covers are fixedly clamped outside the ball body through the grooves, two the fixed cover is close to the one end of protection casing all is equipped with the contact plate, the bottom fixedly connected with slider of contact plate, the slider runs through the fixed cover and slides the inside of fixed cover, the slider is located the inside one end fixedly connected with spring of fixed cover, the spring is kept away from the one end of slider is fixed the inside of fixed cover, just the contact plate passes through the spring with fixed cover elastic connection, the equal fixedly connected with closing plate in upper and lower both ends of contact plate, the contact plate passes through the closing plate hugs closely the protection casing with the outer wall of fixed cover, and two the fixed cover passes through the contact plate hugs closely the upper and lower both ends of protection casing.

As a further aspect of the present invention: the inside of fixed lid seted up with spring matched with spout, the slider passes through the spout slides in the inside of fixed lid.

As a further aspect of the present invention: a movable space is arranged between the two grooves, and the ball body rotates between the two fixed covers through the movable space.

As a further aspect of the present invention: the fixed cover is provided with a through hole matched with the adjusting rod, and the adjusting rod penetrates through the fixed cover through the through hole and extends to the top of the valve body.

As a further aspect of the present invention: the end face diameters of the upper end and the lower end of the protective cover are the same as the diameter of the fixed cover.

As a further aspect of the present invention: the fixed cover and the sphere are both positioned on the same central axis.

As a further aspect of the present invention: the sealing plate is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

in the utility model, two fixed covers are fixed outside the sphere through the groove block, when in installation, a worker fixes the two fixed covers at the upper and lower ends of the sphere and leads the two fixed covers to be respectively clung to the upper and lower ends of the protective cover, firstly leading the rubber ring on the valve seat to be clung to the fixed covers, then sealing the gap between the fixed covers and the protective cover by the sealing plate on the contact plate, sealing the sphere in the moving space without contacting with the rubber ring on the valve seat, avoiding the situation that the sealing effect is influenced by the damage of the rubber ring caused by the friction between the sphere and the rubber ring when rotating, improving the sealing performance of the valve body, moreover, because the contact plate slides at the top of the fixed covers through the matching of the sliding block and the sliding groove, when the sphere rotates and generates friction with the sealing plate, the contact plate can always press the sealing plate made of rubber material on the outer wall of the protective cover under the action of the spring, can reduce the gap between impaired closing plate and the protection casing, avoid receiving wearing and tearing because of the closing plate and produce the condition emergence of leaking, increase the sealed effect of ball valve, improve the life of ball valve, the practicality is strong.

Drawings

FIG. 1 is a schematic structural view of a ball valve having high wear resistance;

FIG. 2 is a schematic structural view of a stationary cover of a ball valve having high wear resistance;

FIG. 3 is a schematic diagram of a ball valve with high wear resistance;

fig. 4 is a schematic structural view of a fixed cover and a ball body in a ball valve having high wear resistance.

In the figure: 1. a valve body; 101. a cavity; 11. a valve seat; 111. a rubber ring; 12. a fixed cover; 121. a groove; 122. an activity space; 123. a chute; 124. a through hole; 13. a sphere; 131. flowing through the channel; 132. a protective cover; 133. adjusting a rod; 14. a contact plate; 141. a slider; 142. a spring; 143. and (7) sealing the plate.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a ball valve with high wear resistance includes a valve body 1, two symmetrical valve seats 11 are fixedly connected to the inside of the valve body 1, a rubber ring 111 is elastically connected to the inner side of the valve seats 11, a cavity 101 is formed inside the valve body 1, a ball 13 is disposed inside the cavity 101 between the two valve seats 11, adjusting rods 133 are fixedly connected to the upper and lower ends of the ball 13, ends of the two adjusting rods 133 far away from the ball 13 are both rotated inside the valve body 1, the ball 13 is rotatably connected to the valve body 1 through the adjusting rods 133, a protective cover 132 is fixedly connected to the outer wall of the ball 13, a flow passage 131 for draining water is formed inside the ball 13 and the protective cover 132, fixing covers 12 are fixedly connected to the upper and lower ends of the ball 13 inside the cavity 101, a groove 121 matched with the ball 13 is formed on the fixing covers 12, and the two fixing covers 12 are fastened and fixed outside the sphere 13 through the grooves 121, one ends of the two fixing covers 12 close to the protective cover 132 are respectively provided with a contact plate 14, the bottom of the contact plate 14 is fixedly connected with a sliding block 141, the sliding block 141 penetrates through the fixing cover 12 and slides inside the fixing cover 12, one end of the sliding block 141 inside the fixing cover 12 is fixedly connected with a spring 142, one end of the spring 142 far away from the sliding block 141 is fixed inside the fixing cover 12, the contact plate 14 is elastically connected with the fixing cover 12 through the spring 142, the upper end and the lower end of the contact plate 14 are respectively fixedly connected with a sealing plate 143, the contact plate 14 is tightly attached to the outer walls of the protective cover 132 and the fixing cover 12 through the sealing plates 143, and the two fixing covers 12 are tightly attached to the upper end and the lower end of the protective cover 132 through the contact plate 14.

In fig. 1, 2 and 3: when the valve body is installed, a worker fixes the two fixed covers 12 at the upper and lower ends of the ball 13, and makes the two fixed covers 12 tightly contact with the upper and lower ends of the protection cover 132, respectively, so that the rubber rings 111 on the valve seat 11 tightly contact with the fixed covers 12, and then the sealing plate 143 on the contact plate 14 seals the gap between the fixed covers 12 and the protection cover 132, so as to seal the ball 13 in the moving space 122 without contacting with the rubber rings 111 on the valve seat 11, thereby avoiding the situation that the rubber rings 111 are damaged and the sealing effect is affected due to the friction between the ball 13 and the rubber rings 111 when rotating, improving the sealing performance of the valve body 1, and because the contact plate 14 slides on the top of the fixed cover 12 through the cooperation of the sliding block 141 and the sliding groove 123, when the sealing plate 143 is damaged due to the friction between the ball 13 rotating and the sealing plate 143, the contact plate 14 can always press the sealing plate 143 made of rubber against the outer wall of the protection cover 132 under the action of the spring 142, can reduce the gap between impaired closing plate 143 and the protection casing 132, avoid receiving wearing and tearing because of closing plate 143 and produce the condition emergence of leaking, increase the sealed effect of ball valve, improve the life of ball valve, the practicality is strong.

In fig. 2 and 4: when using, the staff twists the regulation pole 133 and drives spheroid 13 and rotate in activity space 122 in through-hole 124, can adjust the direction of flowing through passageway 131, let passageway 131 and cavity 101 be linked together, make the ball valve be in the state of opening, after long-time the use because of spheroid 13 rotates and produces the friction with closing plate 143 and leads to closing plate 143 impaired, contact plate 14 can sticis the closing plate 143 of rubber material in the outer wall of protection casing 132 all the time under the effect of spring 142, can reduce the gap between impaired closing plate 143 and the protection casing 132, avoided receiving the condition emergence that the wearing and tearing produced the leakage because of closing plate 143, the sealing effect of ball valve has been increased, the life of ball valve has been improved.

The utility model discloses a theory of operation is: when the valve body is installed, a worker fixes the two fixed covers 12 at the upper and lower ends of the ball 13, and makes the two fixed covers 12 tightly contact with the upper and lower ends of the protection cover 132, respectively, so that the rubber rings 111 on the valve seat 11 tightly contact with the fixed covers 12, and then the sealing plate 143 on the contact plate 14 seals the gap between the fixed covers 12 and the protection cover 132, so as to seal the ball 13 in the moving space 122 without contacting with the rubber rings 111 on the valve seat 11, thereby avoiding the situation that the rubber rings 111 are damaged and the sealing effect is affected due to the friction between the ball 13 and the rubber rings 111 when rotating, improving the sealing performance of the valve body 1, and because the contact plate 14 slides on the top of the fixed cover 12 through the cooperation of the sliding block 141 and the sliding groove 123, when the sealing plate 143 is damaged due to the friction between the ball 13 rotating and the sealing plate 143, the contact plate 14 can always press the sealing plate 143 made of rubber against the outer wall of the protection, can reduce the gap between impaired closing plate 143 and the protection casing 132, avoid receiving wearing and tearing because of closing plate 143 and produce the condition emergence of leaking, increase the sealed effect of ball valve, improve the life of ball valve, the practicality is strong.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The ball valve with high wear resistance comprises a valve body (1), wherein two symmetrical valve seats (11) are fixedly connected inside the valve body (1), the inner sides of the valve seats (11) are elastically connected with rubber rings (111), the ball valve is characterized in that a cavity (101) is formed inside the valve body (1), a ball body (13) is arranged between the two valve seats (11) inside the cavity (101), the upper end and the lower end of the ball body (13) are fixedly connected with adjusting rods (133), one ends, far away from the ball body (13), of the two adjusting rods (133) are respectively rotated inside the valve body (1), the ball body (13) is rotatably connected with the valve body (1) through the adjusting rods (133), the outer wall of the ball body (13) is fixedly connected with a protective cover (132), a flow-through channel (131) for draining water is formed inside the ball body (13) and the protective cover (132), the inner part of the cavity (101) is located at the upper end and the lower end of the sphere (13) and is fixedly connected with a fixed cover (12), the fixed cover (12) is provided with a groove (121) matched with the sphere (13), the two fixed covers (12) are fixed at the outer part of the sphere (13) in a clamping manner through the groove (121), one ends of the two fixed covers (12) close to the protective cover (132) are respectively provided with a contact plate (14), the bottom of the contact plate (14) is fixedly connected with a sliding block (141), the sliding block (141) penetrates through the fixed covers (12) and slides in the inner part of the fixed covers (12), one end of the sliding block (141) located in the fixed cover (12) is fixedly connected with a spring (142), one end of the spring (142) far away from the sliding block (141) is fixed in the fixed cover (12), the contact plate (14) is elastically connected with the fixed covers (12) through the springs (142), sealing plates (143) are fixedly connected to the upper end and the lower end of the contact plate (14), the contact plate (14) is tightly attached to the outer walls of the protective cover (132) and the fixed covers (12) through the sealing plates (143), and the two fixed covers (12) are tightly attached to the upper end and the lower end of the protective cover (132) through the contact plate (14).

2. A ball valve with high wear resistance according to claim 1, wherein the fixed cover (12) is internally provided with a sliding slot (123) matched with the spring (142), and the sliding block (141) slides in the fixed cover (12) through the sliding slot (123).

3. A ball valve with high wear resistance according to claim 1, characterized in that a moving space (122) is provided between two grooves (121), and the ball (13) is rotated between two fixed covers (12) through the moving space (122).

4. The ball valve with high wear resistance according to claim 1, wherein the fixed cover (12) is provided with a through hole (124) matching with the adjusting rod (133), and the adjusting rod (133) penetrates through the fixed cover (12) through the through hole (124) and extends to the top of the valve body (1).

5. A ball valve having high abrasion resistance according to claim 1, wherein the diameter of the end surface of the upper and lower ends of the protection cover (132) is the same as the diameter of the fixed cover (12).

6. A ball valve with high wear resistance according to claim 1, characterized in that the fixed cover (12) and the ball body (13) are all on the same central axis.

7. A ball valve with high wear resistance according to claim 1, wherein the material of the sealing plate (143) is rubber.