CN212745141U

CN212745141U - Wear-resisting ball valve

Info

Publication number: CN212745141U
Application number: CN202021347791.2U
Authority: CN
Inventors: 陈衍龙
Original assignee: Yinglong Fire Technology Co ltd
Current assignee: Yinglong Fire Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-19
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a valve technical field's a wear-resisting ball valve, including the valve main part, the both ends of valve main part are provided with water inlet and delivery port respectively, all be provided with a plurality of mounting holes on water inlet and the delivery port, be provided with the valve gap in the valve main part, be provided with a plurality of bolts on the valve gap, be provided with the passageway in the cavity of valve main part, be provided with the ball valve body on the passageway, the top of ball valve body is provided with the valve rod, the one end of valve rod is connected with the carousel through the bearing, be provided with the filler on the valve rod, be provided with gland on the filler, be provided with waterproof layer on the outer wall of ball valve body, be provided with sealed the pad on the outer wall of ball valve body, prevent that the ball valve is direct with water contact.

Description

Wear-resisting ball valve

Technical Field

The utility model relates to the technical field of valves, specifically a wear-resisting ball valve.

Background

In China, ball valves are widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, play a very important role in national economy, and have the action of rotating 90 degrees, wherein a plug body is a sphere and a circular through hole or a channel passes through the axis of the sphere.

Ball valve in the conventional art, along with opening and closing constantly, make the ball valve cause wearing and tearing to damage, thereby the gas tightness of adding some ball valve valves takes place to leak, because the ball valve can take place corrosion damage with water contact for a long time, reduces life, resource-wasting, raise the cost.

Based on this, the utility model designs a wear-resisting ball valve to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting ball valve to solve the ball valve that proposes in the above-mentioned background art, along with continuous opening and closing, make the ball valve cause wearing and tearing to damage, thereby the gas tightness of some ball valve valves takes place to leak in addition, because the ball valve can take place to corrode with water contact for a long time and damage, reduces life, resource-wasting, the raise cost problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting ball valve, includes the valve main part, the both ends of valve main part are provided with water inlet and delivery port respectively, all be provided with a plurality of mounting holes on water inlet and the delivery port, be provided with the valve gap in the valve main part, be provided with a plurality of bolts on the valve gap, be provided with the passageway in the cavity of valve main part, be provided with the ball valve body on the passageway, the top of ball valve body is provided with the valve rod, the one end of valve rod is connected with the carousel through the bearing, be provided with the filler on the valve rod, be provided with gland on the filler, be provided with waterproof layer on the outer wall of ball valve body, be provided with sealed the pad on the outer wall of ball valve body, prevent that the ball valve is.

As the utility model discloses a further scheme, all be provided with soft rubber layer on the upper and lower both ends of ball valve body, be provided with the wearing layer on the outer wall on soft rubber layer, the wearing layer includes the polytetrafluoroethylene layer, be provided with the ceramic layer on the outer wall on polytetrafluoroethylene layer, be provided with the stainless steel wearing layer on the outer wall of ceramic layer, reduce the friction damage of ball valve, reduce cost improves life.

As a further scheme of the utility model, the one end of wearing layer is provided with the dog, the one end of dog is provided with compression spring, the cross section of dog is arc and is connected with wearing layer surface matching contact, and the tension of buffering ball valve prevents that the comparatively deviation that the ball valve takes place when rotating from bringing the damage for the ball valve, improves ball valve life.

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

1. the utility model prevents the ball valve from directly contacting with water to cause corrosion damage by arranging the waterproof protective layer and the sealing gasket, thereby increasing the air tightness of the ball valve and prolonging the service life of the ball valve;

2. the utility model discloses a set up wearing layer and compression spring, reduced the friction damage of ball valve, reduce cost has cushioned the tension of ball valve, improves life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a valve body; 2. a water inlet; 3. a water outlet; 4. mounting holes; 5. a valve cover; 6. a bolt; 7. a channel; 8. a ball valve body; 9. a valve stem; 10. a turntable; 11. a filler; 12. a packing gland; 13. a waterproof protective layer; 14. a gasket; 15. a soft rubber layer; 16. a wear layer; 17. a polytetrafluoroethylene layer; 18. a ceramic layer; 19. a stainless steel wear layer; 20. a stopper; 21. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a wear-resistant ball valve comprises a valve main body 1, wherein a water inlet 2 and a water outlet 3 are respectively arranged at two ends of the valve main body 1, a plurality of mounting holes 4 are respectively arranged on the water inlet 2 and the water outlet 3, a valve cover 5 is arranged on the valve main body 1, a plurality of bolts 6 are arranged on the valve cover 5, a channel 7 is arranged in a cavity of the valve main body 1, a ball valve body 8 is arranged on the channel 7, a valve rod 9 is arranged at the top of the ball valve body 8, one end of the valve rod 9 is connected with a rotary table 10 through a bearing, a filler 11 is arranged on the valve rod 9, a filler cover 12 is arranged on the filler 11, a waterproof protective layer 13 is arranged on the outer wall of the ball valve body 8, a sealing gasket 14 is arranged on the outer wall of the ball valve body 8 to prevent the ball valve, the service life is prolonged.

All be provided with soft rubber layer 15 on the upper and lower both ends of ball valve body 8, be provided with wearing layer 16 on the outer wall of soft rubber layer 15, wearing layer 16 includes polytetrafluoroethylene layer 17, be provided with ceramic layer 18 on polytetrafluoroethylene layer 17's the outer wall, be provided with stainless steel wearing layer 19 on ceramic layer 18's the outer wall, reduce the friction damage of ball valve, reduce cost improves life.

One end of wearing layer 16 is provided with dog 20, the one end of dog 20 is provided with compression spring 21, the cross section of dog 20 is the arc and is connected with 16 surface matching contacts of wearing layer, and the tension of buffering ball valve prevents that the comparatively deviation that the ball valve takes place when rotating from bringing the damage for the ball valve, improves ball valve life.

The working principle is as follows: above-mentioned ball valve during operation, at first, the staff is through rotating carousel 10, thereby carousel 10 drives valve rod 9 and rotates and drive ball valve body 8 and rotate, one side that will not lead to water is facing to passageway 7, then through the external water pipe of mounting hole 4 switch-on, when needs are led to water, the staff is through rotating carousel 10, thereby carousel 10 drives valve rod 9 and rotates and drive ball valve body 8 and rotate, one side that will lead to water is facing to passageway 7, accomplish ball valve's logical water and close, when ball valve body 8 takes place slight skew,

dog

20 and 21 compression spring realize the buffering.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a wear-resisting ball valve, includes valve body (1), its characterized in that: a water inlet (2) and a water outlet (3) are respectively arranged at the two ends of the valve main body (1), a plurality of mounting holes (4) are arranged on the water inlet (2) and the water outlet (3), the valve body (1) is provided with a valve cover (5), the valve cover (5) is provided with a plurality of bolts (6), a channel (7) is arranged in the cavity of the valve main body (1), a ball valve body (8) is arranged on the channel (7), a valve rod (9) is arranged at the top of the ball valve body (8), one end of the valve rod (9) is connected with a rotary table (10) through a bearing, the valve rod (9) is provided with a packing (11), the packing (11) is provided with a packing gland (12), the ball valve is characterized in that a waterproof protective layer (13) is arranged on the outer wall of the ball valve body (8), and a sealing gasket (14) is arranged on the outer wall of the ball valve body (8).

2. A wear resistant ball valve in accordance with claim 1, wherein: all be provided with soft rubber layer (15) on the upper and lower both ends of ball valve body (8), be provided with wearing layer (16) on the outer wall of soft rubber layer (15), wearing layer (16) include polytetrafluoroethylene layer (17), be provided with ceramic layer (18) on the outer wall of polytetrafluoroethylene layer (17), be provided with stainless steel wearing layer (19) on the outer wall of ceramic layer (18).

3. A wear-resistant ball valve in accordance with claim 2, wherein: one end of the wear-resistant layer (16) is provided with a stop block (20), one end of the stop block (20) is provided with a compression spring (21), and the cross section of the stop block (20) is arc-shaped and is in surface matching contact connection with the wear-resistant layer (16).