CN217713663U

CN217713663U - High-sealing hydraulic small-hole ball valve

Info

Publication number: CN217713663U
Application number: CN202123272471.2U
Authority: CN
Inventors: 王瑜
Original assignee: Yantai Youxin Hydraulic Machine Co ltd
Current assignee: Yantai Youxin Hydraulic Machine Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-11-01
Anticipated expiration: 2031-12-23

Abstract

The utility model provides a high sealed hydraulic pressure aperture ball valve relates to ball valve technical field. This high sealed hydraulic pressure aperture ball valve, including the ball valve body, the both ends fixedly connected with clamping ring of ball valve body, the annular notch that is used for installing the sealing washer is offered to the inside of clamping ring, the outside upper end fixedly connected with hydraulic drive pole mounting bracket of ball valve body, the lower extreme fixedly connected with hydraulic drive pole of hydraulic drive pole mounting bracket, the board is accepted to hydraulic drive pole's lower extreme fixedly connected with. This high sealed hydraulic pressure aperture ball valve passes through the elastic rubber case, first arc, the second arc, hydraulic drive pole and mutually supports, under the sealed effect of two arc seal grooves and elastic rubber case, has formed the sealed effect of twice, when one of them elastic rubber case and arc seal groove wearing and tearing, the elastic rubber case of another department and the cooperation of arc seal groove still can play sealedly, have played the purpose of double-seal for hydraulic pressure ball valve's sealed effect is better.

Description

High-sealing hydraulic small-hole ball valve

Technical Field

The utility model relates to a ball valve technical field specifically is a high sealed hydraulic pressure aperture ball valve.

Background

The ball valve is a valve in which an opening and closing part (a ball body) 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. Ball valves are various in types, can be divided into pneumatic ball valves, electric ball valves, manual ball valves, hydraulic ball valves and the like according to driving modes, and 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 in China.

The hydraulic ball valve is characterized in that a plurality of valve bodies are used, the valve rod is driven to rotate through the hydraulic assembly to drive the valve core of the ball valve to rotate when the hydraulic ball valve is used, when one end with a small hole is arranged in a communicated state, the ball valve is opened to work, when one end with the small hole is arranged in a non-communicated state, the ball valve is closed to be stopped, and the ball valve needs to rotate when being opened and closed, so that the valve rod joint is easy to wear and the gap is formed, gas or liquid leakage is caused, and the hydraulic small hole ball valve with high sealing performance is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high sealed hydraulic pressure aperture ball valve has solved current ball valve and need rotate when opening and shutting, and the valve rod junction easily wears and the problem that the clearance caused gas or liquid to leak appears.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a high sealed hydraulic pressure aperture ball valve, includes the ball valve body, the both ends fixedly connected with clamping ring of ball valve body, the annular notch that is used for installing the sealing washer is seted up to the inside of clamping ring, the outside upper end fixedly connected with hydraulic drive pole mounting bracket of ball valve body, the lower extreme fixedly connected with hydraulic drive pole of hydraulic drive pole mounting bracket, the lower extreme fixedly connected with of hydraulic drive pole accepts the board, the lower surface center fixedly connected with resistance to compression backing plate of accepting the board, accept the lower fixed surface of board near the resistance to compression backing plate and be connected with the spliced pole, the spliced pole is kept away from the one end fixedly connected with elasticity rubber valve core of accepting the board, the first arc of the inside upper end fixedly connected with of ball valve body, the activity chamber has been seted up to the inside of first arc, the activity hole has been seted up to the lower surface of first arc, activity chamber communicates with the activity hole, the lower fixed surface fixedly connected with water conservancy diversion piece of first arc, the end hole has been seted up to the lower extreme of water conservancy diversion piece, the inside lower extreme fixedly connected with second arc, the upper surface of second arc has seted up the arc seal groove, the arc is linked together with the backward flow hole.

Furthermore, the upper end of the ball valve body is fixedly connected with a guide ring, and the diameter of the inner ring of the guide ring is matched with the diameter of the telescopic end rod of the hydraulic drive rod.

Furthermore, the diameter of the movable hole is matched with that of the connecting column, and the diameter of the end hole is matched with that of the upper mounting ring of the elastic rubber valve core.

Furthermore, the shape of the notch of the arc-shaped sealing groove is matched with the sealing sphere at the lower end of the elastic rubber valve core.

Further, the outer surfaces of the first arc-shaped plate and the second arc-shaped plate are coated with anti-oxidation coatings.

Furthermore, a central hole is formed in the upper end of the ball valve body, the diameter of the central hole is the same as that of the inner ring of the guide ring, and the length of the bearing plate is larger than that of the central hole and smaller than that of the movable cavity.

(III) advantageous effects

The utility model provides a high sealed hydraulic pressure aperture ball valve. The method has the following beneficial effects:

1. this high sealed hydraulic pressure aperture ball valve passes through the elastic rubber case, first arc, the second arc, mutually supporting in hydraulic drive pole and backward flow hole, hydraulic drive pole drives when the ball valve is closed and accepts the board downstream, two elastic rubber case follow accept board downstream and laminate to the arc seal groove, the inside liquid of backward flow hole or gaseous discharge through the backward flow hole, make the laminating of the sealed case of elastic rubber and arc seal groove inseparabler, under the sealed effect of two arc seal grooves and elastic rubber case, the sealed effect of twice has been formed, when one of them elastic rubber case and arc seal groove wearing and tearing, the cooperation of the elastic rubber case of another department and arc seal groove still can play sealedly, double-sealed purpose has been played, make hydraulic ball valve's sealed effect better.

2. This high sealed hydraulic pressure aperture ball valve is through setting up first arc piece, second arc piece and water conservancy diversion piece, under the mating reaction of first arc piece and second arc piece under the state of carrying liquid through the arc inclined plane of first arc piece and second arc piece for liquid through the ball valve body is littleer to the pressure of first arc piece and second arc piece lateral wall, is favorable to protecting first arc piece and second arc piece not destroyed by too big erosion.

Drawings

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

FIG. 2 is a schematic structural view of the ball valve in a closed state;

FIG. 3 is a schematic structural view of the opened state of the ball valve of the present invention;

fig. 4 is a front view structure diagram of the present invention.

In the figure: 1. a ball valve body; 2. a connecting ring; 3. an annular notch; 4. a hydraulic drive rod mounting rack; 5. A bearing plate; 6. a compression-resistant backing plate; 7. connecting columns; 8. an elastic rubber valve core; 9. a first arc-shaped plate; 10. A movable cavity; 11. a movable hole; 12. a flow guide block; 13. an end hole; 14. a second arc-shaped plate; 15. an arc-shaped sealing groove; 16. a return orifice; 17. a guide ring; 18. a central bore; 19. and a hydraulic drive rod.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a high sealed hydraulic aperture ball valve, as shown in fig. 1-4, including ball valve body 1, ball valve body 1 has a central hole 18 in its upper end, the diameter of central hole 18 is the same as the inner circle diameter of guide ring 17, the length of adapting plate 5 is greater than the diameter of central hole 18 and is less than the length of movable chamber 10, ball valve body 1 has a guide ring 17 fixedly connected to its upper end, the inner circle diameter of guide ring 17 is matched with the telescopic end rod diameter of hydraulic drive rod 19, ball valve body 1 has a connecting ring 2 fixedly connected to its both ends, connecting ring 2 has an annular notch 3 for installing a seal ring in its interior, ball valve body 1 has a hydraulic drive rod mounting rack 4 fixedly connected to its outer upper end, hydraulic drive rod mounting rack 4 has a hydraulic drive rod 19 fixedly connected to its lower end, hydraulic drive rod 19 has an adapting plate 5 fixedly connected to its lower end, adapting plate 5 has a compression-resistant backing plate 6 fixedly connected to its lower surface center at its lower surface, adapting plate 5 has a flexible rubber valve core 8 connected to its lower end close to compression-resistant backing plate 6, connecting column 7 has an end fixed to its end which is far away from adapting plate 5 has an elastic rubber core 8, the inner end of first arc-shaped plate 9, the inner surface of a first movable ball valve body 9 is connected to the inner surface of a second movable valve body 11, the movable end of a movable ball valve core 12, the movable valve body 9 is connected to the inner surface of a movable ring 11, the movable end of a movable ring 11, the movable valve core 12, the movable end of a movable valve body 11 is connected to the inner surface of a movable valve core 12, the movable end of the movable valve body 11, the movable end of the movable valve core 12, the movable end of the valve core 12, by arranging the first arc-shaped block 9, the second arc-shaped block 14 and the flow guide block 12, under the matching action of the first arc-shaped block 9 and the second arc-shaped block 14, the pressure of liquid passing through the ball valve body on the side walls of the first arc-shaped block 9 and the second arc-shaped block 14 is smaller through the arc-shaped inclined surfaces of the first arc-shaped block 9 and the second arc-shaped block 14 under the condition of liquid conveying, which is favorable for protecting the first arc-shaped block 9 and the second arc-shaped block 14 from being damaged by too large erosion, the upper surface of the second arc-shaped plate 14 is provided with an arc-shaped sealing groove 15, the shape of a notch of the arc-shaped sealing groove 15 is matched with the sealing sphere at the lower end of the elastic rubber valve core 8, and the arc-shaped sealing groove 15 is communicated with the return hole 16, when the ball valve is closed, the hydraulic driving rod 19 drives the bearing plate 5 to move downwards, the two elastic rubber valve cores 8 follow the bearing plate 5 to move downwards and are attached to the arc-shaped sealing groove 15, liquid or gas inside the backflow hole 16 is discharged through the backflow hole 16, the elastic rubber valve cores 8 are attached to the arc-shaped sealing groove 15 more tightly, under the sealing effect of the two arc-shaped sealing grooves 15 and the elastic rubber valve cores 8, a two-way sealing effect is formed, when one of the elastic rubber valve cores 8 is abraded with the arc-shaped sealing groove 15, the elastic rubber valve core 8 and the arc-shaped sealing groove 15 at the other position can still be sealed, the purpose of double sealing is achieved, and the sealing effect of the hydraulic ball valve is better.

The working principle is as follows: when opening the ball valve, hydraulic drive pole 19 drives accepts board 5 downstream, accept board 5 drives spliced pole 7 downstream, thereby spliced pole 7 drives elastic rubber case 8 downstream, thereby the lower extreme of elastic rubber case 8 and the bottom in close contact with of arc seal groove 15, thereby elastic rubber case 8 blocks up the internal channel of ball valve body 1, the inside gas of arc seal groove 15 or liquid flow back through backward flow hole 16, thereby make elastic rubber case 8 and the bottom contact of arc seal groove 15, under the sealed effect of two arc seal grooves 15 and elastic rubber case 8, the sealed effect of twice has been formed, when one of them elastic rubber case 8 and arc seal groove 15 wearing and tearing, the cooperation of the elastic rubber case 8 and the arc seal groove 15 of another department still can play sealedly, the purpose of double sealing has been played, make hydraulic ball valve's sealed effect better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high sealed hydraulic pressure aperture ball valve, includes ball valve body (1), the both ends fixedly connected with clamping ring (2) of ball valve body (1), annular notch (3) that are used for installing the sealing washer, its characterized in that are offered to the inside of clamping ring (2): the upper end of the outer part of the ball valve body (1) is fixedly connected with a hydraulic driving rod mounting rack (4), the lower end of the hydraulic drive rod mounting rack (4) is fixedly connected with a hydraulic drive rod (19), the lower end of the hydraulic drive rod (19) is fixedly connected with a bearing plate (5), the center of the lower surface of the bearing plate (5) is fixedly connected with a compression-resistant backing plate (6), the lower surface of the bearing plate (5) close to the compression-resistant base plate (6) is fixedly connected with a connecting column (7), one end of the connecting column (7) far away from the bearing plate (5) is fixedly connected with an elastic rubber valve core (8), the upper end of the inner part of the ball valve body (1) is fixedly connected with a first arc-shaped plate (9), a movable cavity (10) is arranged inside the first arc-shaped plate (9), the lower surface of the first arc-shaped plate (9) is provided with a movable hole (11), the movable cavity (10) is communicated with the movable hole (11), the lower surface of the first arc-shaped plate (9) is fixedly connected with a flow guide block (12), the lower end of the flow guide block (12) is provided with an end hole (13), the lower end of the inner part of the ball valve body (1) is fixedly connected with a second arc-shaped plate (14), an arc-shaped sealing groove (15) is arranged on the upper surface of the second arc-shaped plate (14), the arc-shaped sealing groove (15) is communicated with the backflow hole (16).

2. A high-sealing hydraulic small-bore ball valve according to claim 1, wherein: the upper end of the ball valve body (1) is fixedly connected with a guide ring (17), and the diameter of the inner ring of the guide ring (17) is matched with the diameter of the telescopic end rod of the hydraulic drive rod (19).

3. The high-sealing hydraulic small-hole ball valve according to claim 1, characterized in that: the diameter of the movable hole (11) is matched with that of the connecting column (7), and the diameter of the end hole (13) is matched with that of an upper mounting ring of the elastic rubber valve core (8).

4. The high-sealing hydraulic small-hole ball valve according to claim 1, characterized in that: the shape of the notch of the arc-shaped sealing groove (15) is matched with the sealing ball shape at the lower end of the elastic rubber valve core (8).

5. The high-sealing hydraulic small-hole ball valve according to claim 1, characterized in that: the outer surfaces of the first arc-shaped plate (9) and the second arc-shaped plate (14) are coated with anti-oxidation coatings.

6. The high-sealing hydraulic small-hole ball valve according to claim 1, characterized in that: the ball valve is characterized in that the upper end of the ball valve body (1) is provided with a center hole (18), the diameter of the center hole (18) is the same as that of an inner ring of the guide ring (17), and the length of the bearing plate (5) is larger than that of the center hole (18) and smaller than that of the movable cavity (10).