CN210770373U

CN210770373U - Ball valve capable of preventing valve core from shifting

Info

Publication number: CN210770373U
Application number: CN201921575195.7U
Authority: CN
Inventors: 刘真
Original assignee: Hangzhou Lanpa Fluid Control Equipment Co Ltd
Current assignee: Hangzhou Lanpa Fluid Control Equipment Co Ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-06-16
Anticipated expiration: 2029-09-21

Abstract

The utility model relates to the technical field of ball valves, in particular to a ball valve capable of preventing a valve core from deviating, which comprises a ball valve body, a hand wheel, a valve core, a ball body and a valve seat, wherein the hand wheel, the valve core, the ball body and the valve seat are arranged inside the ball valve body; the utility model discloses an adopt first limit structure to come to carry on spacingly to the spheroid, make the spheroid at rotatory in-process, the skew can not appear, come to carry on spacingly to the case through second limit structure after that, make the case carry out steady rotation under the drive of hand wheel, and can not make case and spheroid the skew appear to can not influence the result of use of ball valve.

Description

Ball valve capable of preventing valve core from shifting

Technical Field

The utility model relates to a ball valve technical field specifically is a prevent ball valve of case skew.

Background

The ball valve is that the spheroid is driven by the valve rod, and the valve of rotary motion is made to the round winding ball valve axis, it is used for fluidic regulation and control also to do, wherein have very strong shearing force between its V type ball core of hard seal V type ball valve and the metal disk seat of build-up welding carbide, specially adapted contains the fibre, medium such as tiny solid particle, and the switching of multi-ported ball valve not only can nimble control medium on the pipeline, reposition of redundant personnel, and flow direction, also can close arbitrary passageway simultaneously and make two other passageways link to each other, this type of valve generally should horizontal installation in the pipeline, the ball valve is categorised: pneumatic ball valves, electric ball valves, manual ball valves.

With the rapid development of science and technology and the continuous improvement of production technology and product structure, ball valves have been rapidly developed into a main valve class, the use of ball valves is continuously rising year by year, and in the use process of ball valves, the ball body can be constantly impacted by fluid, if the ball body and the valve core slightly incline, the use effect of the ball valves can be affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent ball valve of case skew possesses the advantage that prevents that case and spheroid from appearing the skew, has solved the problem that case and spheroid easily appear the skew in the ball valve use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent ball valve of case skew, includes the inside hand wheel of ball valve body and ball valve body, case, spheroid and disk seat, the inside intercommunication of disk seat has the pipeline, the flange has all been welded to the both sides of pipeline, the spheroid is located the inside of pipeline, the inside both sides of pipeline all are equipped with and are used for spacing spheroidal first limit structure, spheroidal top is equipped with the second limit structure who is used for spacing case, spheroidal bottom welding has the rotary rod, the bottom of rotary rod is rotated and is connected with the bearing frame, the bottom of bearing frame and the inside weld of disk seat.

Preferably, the first limiting structure comprises a first limiting groove, a limiting ring is connected to the inside of the first limiting groove in a sliding mode, and the inside of the limiting ring is welded to the surface of the ball body.

Preferably, the first limiting groove is in a circular ring shape, and the inner part of the first limiting groove is in close contact with the surface of the limiting ring.

Preferably, a sealing washer is fixedly installed inside the first limiting groove, and the inside of the sealing washer is in contact with the surface of the limiting ring.

Preferably, the second limiting structure comprises a second limiting groove, the second limiting groove is formed in the valve seat, a limiting block is connected to the inside of the second limiting groove in a sliding mode, and the inside of the limiting block is welded to the surface of the valve core.

Preferably, the top of the ball is welded to the bottom of the valve core, and the top of the valve core extends out of the top of the valve seat and is welded to the bottom of the hand wheel.

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

the utility model discloses an adopt first limit structure to come to carry on spacingly to the spheroid, make the spheroid at rotatory in-process, the skew can not appear, come to carry on spacingly to the case through second limit structure after that, make the case carry out steady rotation under the drive of hand wheel, and can not make case and spheroid the skew appear to can not influence the result of use of ball valve.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1;

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

fig. 5 is a three-dimensional schematic diagram of the local structure of the present invention.

In the figure: 1. a ball valve body; 2. a hand wheel; 3. a valve core; 4. a sphere; 5. a valve seat; 6. a pipeline; 7. a flange; 8. a first limit structure; 81. a first limit groove; 82. a limiting ring; 9. a second limit structure; 91. a second limit groove; 92. a limiting block; 10. rotating the rod; 11. a bearing seat; 12. a gasket is provided.

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. 1-5, a ball valve for preventing valve core from shifting includes a ball valve body 1, a handwheel 2 inside the ball valve body 1, a valve core 3, a ball 4 and a valve seat 5, a pipeline 6 is communicated inside the valve seat 5, flanges 7 are welded on both sides of the pipeline 6, the ball 4 is located inside the pipeline 6, first limiting structures 8 for limiting the ball 4 are arranged on both sides inside the pipeline 6, a second limiting structure 9 for limiting the valve core 3 is arranged above the ball 4, a rotating rod 10 is welded at the bottom of the ball 4, a bearing seat 11 is rotatably connected to the bottom of the rotating rod 10, the bottom of the bearing seat 11 is welded with the inside of the valve seat 5, the ball 4 is limited by the first limiting structure 8, so that the ball 4 does not shift during the rotation process, the valve core 3 is limited by the second limiting structure 9, and the valve core 3 is driven by the handwheel 2 to rotate stably, the valve core 3 and the ball body 4 can not be deviated, so that the using effect of the ball valve can not be influenced.

In this embodiment, the first limiting structure 8 includes a first limiting groove 81, a limiting ring 82 is slidably connected to the inside of the first limiting groove 81, the inside of the limiting ring 82 is welded to the surface of the ball 4, and the ball 4 can be supported and limited by the cooperation of the first limiting groove 81 and the limiting ring 82, so that the phenomenon of rotational deviation caused by uneven stress or fluid impact during the rotation of the valve core 3 and the ball 4 is prevented.

In this embodiment, the first limiting groove 81 is shaped like a circular ring, the inside of the first limiting groove 81 is in close contact with the surface of the limiting ring 82, and the first limiting groove 81 and the limiting ring 82 which are in close contact can enhance the sealing performance inside the valve seat 5.

In this embodiment, the sealing gasket 12 is fixedly installed inside the first limiting groove 81, the inside of the sealing gasket 12 contacts with the surface of the limiting ring 82, and the sealing performance inside the first limiting groove 81 can be enhanced by using the sealing gasket 12.

In this embodiment, second limit structure 9 includes second spacing groove 91, and second spacing groove 91 is seted up in the inside of disk seat 5, and the inside sliding connection of second spacing groove 91 has stopper 92, and the inside of stopper 92 and the surface welding of case 3 use through the cooperation of second spacing groove 91 and stopper 92, can support and spacing case 3, prevent that it from appearing the skew.

In this embodiment, the top of the ball 4 is welded to the bottom of the valve element 3, and the top of the valve element 3 extends out of the top of the valve seat 5 and is welded to the bottom of the hand wheel 2, so that the valve element 3 and the ball 4 can be conveniently controlled by a worker.

During the use, rotatory hand wheel 2, the rotatory case 3 that drives of hand wheel 2 rotates, and the rotation of case 3 drives stopper 92 and rotates in the inside of second spacing groove 91, and spheroid 4 also rotates afterwards to drive spacing ring 82 and rotate in the inside of first spacing groove 81, the rotation of spheroid 4 drives rotary rod 10 and rotates, and spheroid 4 rotates afterwards, changes the fluidic circulation state in the pipeline 6.

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 prevent ball valve of case skew, includes inside hand wheel (2), case (3), spheroid (4) and disk seat (5) of ball valve body (1) and ball valve body (1), its characterized in that: the inside intercommunication of disk seat (5) has pipeline (6), flange (7) have all been welded to the both sides of pipeline (6), spheroid (4) are located the inside of pipeline (6), the inside both sides of pipeline (6) all are equipped with first limit structure (8) that are used for spacing spheroid (4), the top of spheroid (4) is equipped with second limit structure (9) that are used for spacing case (3), the bottom welding of spheroid (4) has rotary rod (10), the bottom of rotary rod (10) is rotated and is connected with bearing frame (11), the bottom of bearing frame (11) and the inside weld of disk seat (5).

2. The ball valve for preventing the displacement of the spool according to claim 1, wherein: the first limiting structure (8) comprises a first limiting groove (81), a limiting ring (82) is connected to the inside of the first limiting groove (81) in a sliding mode, and the inside of the limiting ring (82) is welded to the surface of the ball body (4).

3. The ball valve for preventing the displacement of the spool according to claim 2, wherein: the shape of first spacing groove (81) is the ring type, the inside of first spacing groove (81) and the surperficial in close contact with of spacing ring (82).

4. The ball valve for preventing the displacement of the spool according to claim 2, wherein: a sealing washer (12) is fixedly mounted inside the first limiting groove (81), and the inside of the sealing washer (12) is in contact with the surface of the limiting ring (82).

5. The ball valve for preventing the displacement of the spool according to claim 1, wherein: the second limiting structure (9) comprises a second limiting groove (91), the second limiting groove (91) is formed in the valve seat (5), a limiting block (92) is connected to the inside of the second limiting groove (91) in a sliding mode, and the inside of the limiting block (92) is welded to the surface of the valve core (3).

6. The ball valve for preventing the displacement of the spool according to claim 1, wherein: the top of the ball body (4) is welded with the bottom of the valve core (3), and the top of the valve core (3) extends out of the top of the valve seat (5) and is welded with the bottom of the hand wheel (2).