CN210600263U

CN210600263U - High-efficient sealed ball valve structure

Info

Publication number: CN210600263U
Application number: CN201921522171.5U
Authority: CN
Inventors: 赵连全; 刘奋飞; 宋志勇; 赵亚琪; 杨海强
Original assignee: Tianjin Jianvalve Fluid Equipment Co Ltd
Current assignee: Tianjin Jianvalve Fluid Equipment Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-05-22
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a high-efficiency sealing ball valve structure, which comprises a valve body and a valve seat, wherein the valve seat is respectively connected with the opposite ends of the valve body, a ball valve mechanism is arranged inside the valve body, a lower bearing is fixedly sleeved in a circular groove, a lower shaft rod is connected with the lower end of the ball body, a lower shaft rod is fixedly sleeved in the lower bearing, an upper shaft rod is connected with the upper end of the ball body, an upper bearing is fixedly sleeved at the upper end of the valve body, the upper shaft rod is fixedly sleeved in the upper bearing, a sealing ring A is sleeved at the upper end of the upper shaft rod, sealing gaskets are respectively arranged at the opposite sides of the ball body, an ejection part is arranged between the valve seat and the sealing gaskets, the utility model relates to the technical field of valves, and effectively seals through the ball body and the sealing gaskets in the ball valve mechanism, the sealing gasket is ejected out through the spring of the ejection part, so that poor sealing effect caused by abrasion of the sealing gasket is prevented.

Description

High-efficient sealed ball valve structure

Technical Field

The utility model relates to the technical field of valves, specifically be a high-efficient sealed ball valve structure.

Background

The opening and closing piece of the ball valve is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve 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 the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

In the existing ball valve structure, along with the use of the ball valve, the ball body can rub with the sealing gasket, and the sealing gasket can be rubbed and thinned over time, so that the sealing effect is poor, water leakage is caused, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high-efficient sealed ball valve structure has solved current ball valve structure, along with the use of ball valve, because the ball can rub with sealed the pad, sealed pad can be by the friction attenuation of long time to lead to sealed effect not good, and lead to the problem of leaking.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-efficiency sealed ball valve structure comprises a valve body and valve seats, wherein the valve seats are respectively connected to two opposite ends of the valve body, and a ball valve mechanism is arranged in the valve body;

the ball valve mechanism mainly comprises: the ball body, the via hole, the circular groove, the lower bearing, the lower shaft lever, the upper bearing, the sealing ring A, the sealing gasket and the ejection part;

the ball body is arranged in the valve body, the through hole penetrates through the ball body, the circular groove is formed in the lower surface in the valve body, the lower bearing is fixedly sleeved in the circular groove, the lower shaft rod is connected to the lower end of the ball body, the lower shaft rod is fixedly sleeved in the lower bearing, the upper shaft rod is connected to the upper end of the ball body, the upper bearing is fixedly sleeved at the upper end of the valve body, the upper shaft rod is fixedly sleeved in the upper bearing, the sealing ring A is sleeved at the upper end of the upper shaft rod, the sealing gaskets are respectively arranged on two opposite sides of the ball body, and the ejection part is arranged between the valve seat and the sealing gasket.

Preferably, the ejection portion mainly includes: an inner hole, a spring and a cylinder;

the hole is opened the disk seat side surface, spring activity suit is in the hole, the cylinder is connected sealed side surface of filling up and activity suit is in the hole.

Preferably, a sealing groove is formed between the valve body and the valve seat, and a sealing ring B is embedded in the sealing groove.

Preferably, the valve body is connected with the valve seat through a screw rod.

Preferably, the valve seat end surface is provided with a reserved hole.

Preferably, a wrench is fixedly sleeved at the upper end of the upper shaft rod.

The utility model has the advantages that: the utility model provides a high-efficient sealed ball valve structure, through spheroid and valve body and the sealed pad in the ball valve mechanism, effectually seal to after long-time the use, the spring through ejecting portion will seal up the pad ejecting, prevent to seal up after wearing and tearing and the sealed effect that leads to poor.

Drawings

Fig. 1 is a schematic structural view of a high-efficiency sealing ball valve structure according to the present invention;

fig. 2 is an enlarged view of the ejection portion of fig. 1 according to the present invention;

fig. 3 is an enlarged view of the lower shaft of fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. a valve seat; 3. a sphere; 4. a via hole; 5. a circular groove; 6. a lower bearing; 7. a lower shaft lever; 8. an upper shaft lever; 9. an upper bearing; 10. a sealing ring A; 11. a gasket; 12. an inner bore; 13. a spring; 14. a cylinder; 15. a sealing groove; 16. a seal ring B; 17. reserving a hole; 18. a wrench.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a high-efficiency sealed ball valve structure comprises a valve body 1 and a valve seat 2, wherein the valve seat 2 is respectively connected to two opposite ends of the valve body 1, and a ball valve mechanism is arranged inside the valve body 1;

the ball valve mechanism mainly comprises: the ball body 3, the through hole 4, the circular groove 5, the lower bearing 6, the lower shaft rod 7, the upper shaft rod 8, the upper bearing 9, the sealing ring A10, the sealing gasket 11 and the ejection part;

the ball body 3 is arranged in the valve body 1, the through hole 4 penetrates through the ball body 3, the circular groove 5 is formed in the inner lower surface of the valve body 1, the lower bearing 6 is fixedly sleeved in the circular groove 5, the lower shaft rod 7 is connected to the lower end of the ball body 3, the lower shaft rod 7 is fixedly sleeved in the lower bearing 6, the upper shaft rod 8 is connected to the upper end of the ball body 3, the upper bearing 9 is fixedly sleeved at the upper end of the valve body 1, the upper shaft rod 8 is fixedly sleeved in the upper bearing 9, the sealing ring A10 is sleeved at the upper end of the upper shaft rod 8, the sealing gaskets 11 are respectively arranged on two opposite sides of the ball body 3, and the ejection part is arranged between the valve seat 2 and the sealing gasket 11;

from last knowing, pass sealing washer A10 and upper bearing 9 through last axostylus axostyle 8 and drive spheroid 3 in the valve body 1 when using, communicate via hole 4 in spheroid 3 with the hole in the disk seat 2, lower bearing 6 in the circular recess 5 carries out the additional action with lower axostylus axostyle 7, the axostylus axostyle drives spheroid 3 rotation after accomplishing makes via hole 4 in spheroid 3 and the hole mutually perpendicular alternately in the disk seat 2, sealed pad 11 is used for between sealed spheroid 3 and the valve body 1, sealed pad 11 friction attenuation after long-time use, sealed pad 11 is ejecting with sealed the portion this moment, make its laminating spheroid 3, keep the encapsulated situation.

On the basis, the ejection part mainly comprises: an inner hole 12, a spring 13 and a cylinder 14;

the inner hole 12 is formed in the side surface of the valve seat 2, the spring 13 is movably sleeved in the inner hole 12, and the cylinder 14 is connected to the side surface of the sealing gasket 11 and movably sleeved in the inner hole 12;

from the above, it can be seen that the spring 13 bears against the cylinder 14 in the bore 12 when the friction is reduced, so that the cylinder 14 generates an outward force to push the sealing gasket 11, so that the sealing gasket 11 always remains attached to the ball 3.

In the above scheme, a sealing groove 15 is formed between the valve body 1 and the valve seat 2, a sealing ring B16 is embedded in the sealing groove 15, the valve body 1 is connected with the valve seat 2 through a screw, a preformed hole 17 is formed in the end face of the valve seat 2, and a wrench 18 is fixedly sleeved at the upper end of the upper shaft rod 8;

by last knowing, sealed pad 11B in seal groove 15 is used for between sealed valve body 1 and the disk seat 2, is connected through the screw rod between valve body 1 and the disk seat 2, and the preformed hole 17 is the disk seat 2 of being convenient for connect on the pipeline, and the spanner 18 conveniently drives axostylus axostyle 8, conveniently revolves soon.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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. A high-efficiency sealed ball valve structure comprises a valve body (1) and a valve seat (2), and is characterized in that the valve seat (2) is respectively connected to two opposite ends of the valve body (1), and a ball valve mechanism is arranged in the valve body (1);

the ball valve mechanism mainly comprises: the ball body (3), the through hole (4), the circular groove (5), the lower bearing (6), the lower shaft lever (7), the upper shaft lever (8), the upper bearing (9), the sealing ring A (10), the sealing gasket (11) and the ejection part;

the ball body (3) is arranged in the valve body (1), the through hole (4) penetrates through the ball body (3), the circular groove (5) is arranged on the inner lower surface of the valve body (1), the lower bearing (6) is fixedly sleeved in the circular groove (5), the lower shaft lever (7) is connected with the lower end of the ball body (3), the lower shaft lever (7) is fixedly sleeved in the lower bearing (6), the upper shaft lever (8) is connected with the upper end of the ball body (3), the upper bearing (9) is fixedly sleeved at the upper end of the valve body (1), the upper shaft lever (8) is fixedly sleeved in the upper bearing (9), the sealing ring A (10) is sleeved at the upper end of the upper shaft lever (8), the sealing gaskets (11) are respectively arranged at two opposite sides of the sphere (3), the ejection part is arranged between the valve seat (2) and the sealing gasket (11).

2. An efficient sealing ball valve structure as claimed in claim 1, wherein said ejector part mainly comprises: an inner hole (12), a spring (13) and a cylinder (14);

hole (12) are opened valve seat (2) side surface, spring (13) activity suit is in hole (12), cylinder (14) are connected sealed pad (11) side surface and activity suit are in hole (12).

3. An efficient sealing ball valve structure according to claim 1, characterized in that a sealing groove (15) is opened between the valve body (1) and the valve seat (2), and a sealing ring B (16) is embedded in the sealing groove (15).

4. A high efficiency sealed ball valve structure according to claim 3, characterized in that the valve body (1) and the valve seat (2) are connected by a screw.

5. A high-efficiency sealed ball valve structure according to claim 4, characterized in that the end surface of the valve seat (2) is provided with a reserved hole (17).

6. A high efficiency sealing ball valve structure as claimed in claim 1, wherein said upper shaft (8) is fixedly sleeved with a wrench (18) at its upper end.