CN214999597U

CN214999597U - One-way valve ball

Info

Publication number: CN214999597U
Application number: CN202121163525.9U
Authority: CN
Inventors: 段盛忠
Original assignee: Yuhuan Beijinsi Fluid Control Technology Co ltd
Current assignee: Yuhuan Beijinsi Fluid Control Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-03
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a check valve ball belongs to ball valve technical field, including spheroid and case, be equipped with the installation cavity that supplies the case installation in the spheroid, the delivery port with the installation cavity intercommunication is seted up to spheroidal upper end, the water inlet with the installation cavity intercommunication is seted up to spheroidal lower extreme, spheroidal lateral surface is equipped with the mounting groove, the case includes the valve post, the valve cap, valve gap and spring, the valve post is installed in the installation cavity through cooperating with the delivery port, the valve cap cover is located the valve post outside, along valve post axial slip, the valve cap is installed at the lower extreme of valve cap, the lower extreme of valve cap is the sealing face, the diameter of sealing face is greater than the diameter of water inlet makes the sealing face seal on the water inlet, the spring is located between valve post and the valve cap, and the upper end is contradicted with the lower extreme of valve post, the lower extreme is contradicted with the upper end of valve cap, reached and made the ball valve have the function of one-way circulation, compact structure, the suitability is good, And the later maintenance is convenient.

Description

One-way valve ball

Technical Field

The utility model relates to a ball valve field especially, relates to a check valve ball.

Background

The ball valve, the opening and closing piece (valve ball) is driven by the valve rod and rotates around the axis of the ball valve. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment. In China, the ball valve is 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, and plays a significant role in national economy.

The existing ball valve often does not have the function of one-way circulation, if some, the mode of increasing the one-way valve in the ball valve is usually adopted to enable the ball valve to have the function of one-way circulation, the mode not only can lead to the increase of the volume of the ball valve, but also needs to design the valve body of adaptation to adapt, and then the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, solve the technical problem in the correlation technique to a certain extent at least, provide a check valve ball to reach function, compact structure, the suitability that makes the ball valve have one-way circulation good, the convenient purpose of later maintenance.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a check valve ball, includes spheroid and case, be equipped with the installation cavity that supplies the case installation in the spheroid, the delivery port with the installation cavity intercommunication is seted up to spheroidal upper end, the water inlet with the installation cavity intercommunication is seted up to spheroidal lower extreme, spheroidal lateral surface is equipped with the mounting groove, the case includes valve post, valve cap, valve gap and spring, the valve post is installed in the installation cavity through cooperating with the delivery port, the valve post outside is located to the valve cap cover, follows the valve post endwise slip, the lower extreme at the valve cap is installed to the valve cap, the lower extreme of valve cap is sealed face, the diameter of sealed face is greater than the diameter of water inlet and makes sealed face seal on the water inlet, the spring is located between valve post and the valve cap, and the upper end of upper end and valve post is contradicted, and the upper end of lower extreme and valve cap is contradicted.

As a specific aspect of the present invention, it may be preferable that: the valve element further comprises an annular sealing rubber gasket, an outer annular groove for sleeving the annular sealing rubber gasket is formed in the outer side face of the valve cover, and the annular sealing rubber gasket is attached to the sealing face through the outer annular groove.

As a specific aspect of the present invention, it may be preferable that: the valve core further comprises a sleeve rod, the sleeve rod is arranged between the valve cap and the valve cover, an inner annular groove for installing the upper end of the sleeve rod is formed in the valve cap, and an installation hole for installing the lower end of the sleeve rod is formed in the valve cover.

As a specific aspect of the present invention, it may be preferable that: the lower extreme of valve post is equipped with the first projection that supplies spring upper end cover to establish, be equipped with the second projection that supplies spring lower extreme cover to establish in the mounting hole.

As a specific aspect of the present invention, it may be preferable that: the medial surface of valve cap is equipped with the internal thread, the upper end of valve cap is equipped with the annular flange, the lateral surface of annular flange be equipped with the external screw thread of internal thread adaptation, the lower extreme of valve cap is equipped with a word screw groove.

As a specific aspect of the present invention, it may be preferable that: the valve column comprises a column part, a ring part and connecting legs for connecting the column part and the ring part, the ring part is in interference fit with the water outlet, and the inner side surface of the water outlet is provided with an annular step which is abutted against the lower end of the ring part.

As a specific aspect of the present invention, it may be preferable that: and a plurality of vent passages are uniformly distributed on the inner side surface of the valve cap.

As a specific aspect of the present invention, it may be preferable that: the diameter of the valve cover is smaller than that of the water inlet.

The utility model discloses technical effect mainly embodies in following aspect: this design utilizes spheroid and case cooperation through setting up the case in the spheroid, makes valve ball compact structure, suitability good, need not the valve body of redesign adaptation, and has the function of one-way circulation. When being installed in the valve body of the ball valve, the mounting groove of the outer side surface of the ball body can be matched with the valve rod for use, and the ball body can be driven to rotate by rotating the valve rod. When water needs to be fed, the valve rod is rotated firstly to rotate the ball body to an open state, then the valve cap is withdrawn under the pressure of water flow, the sealing surface of the valve cap is not sealed on the water inlet any more, and water feeding is realized. When water flows backwards, the valve cap can be restored to the initial position under the action of the spring, namely, the sealing surface of the valve cap is sealed on the water inlet, water flow is closed, and the purpose of one-way circulation is achieved. When water is not needed to enter, the valve rod can be rotated to rotate the ball body to a closed state, and water flow is completely closed.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic perspective view of the valve stem of the present invention;

fig. 4 is a schematic perspective view of the valve cap of the present invention.

Reference numerals: 1. a sphere; 2. a mounting cavity; 3. a water outlet; 4. a water inlet; 5. mounting grooves; 6. a spool; 61. a pillar portion; 62. a ring portion; 63. a connecting leg; 7. a bonnet; 8. a valve cover; 9. a spring; 10. an annular sealing rubber gasket; 11. an outer annular groove; 12. a loop bar; 13. an inner annular groove; 14. mounting holes; 15. a first convex column; 16. a second convex column; 17. an annular flange; 18. a straight screw groove; 19. an annular step; 20. a vent passage.

Detailed Description

The embodiments of the present invention will be described in detail below, examples of which are illustrated in the accompanying drawings, and the embodiments described below by referring to the drawings are exemplary and intended to explain the present invention so that the technical solutions of the present invention can be more easily understood and grasped, and cannot be construed as limiting the present invention.

Examples

A check valve ball, refer to fig. 1, fig. 2, fig. 3 and fig. 4, the utility model discloses a check valve ball, including spheroid 1 and case, be equipped with the installation cavity 2 that supplies the case installation in the spheroid 1, the upper end of spheroid 1 is seted up the delivery port 3 that communicates with installation cavity 2, the lower extreme of spheroid 1 is seted up the water inlet 4 that communicates with installation cavity 2, the lateral surface of spheroid 1 is equipped with mounting groove 5, the case includes valve column 6, valve cap 7, valve gap 8 and spring 9, valve column 6 is installed in installation cavity 2 through cooperating with delivery port 3, valve cap 7 is located the valve column 6 outside, slide along valve column 6 axial, valve gap 8 is installed at the lower extreme of valve cap 7, the lower extreme of valve cap 7 is the sealing surface, the diameter of sealing surface is greater than the diameter of water inlet 4 makes the sealing surface seal on water inlet 4, spring 9 locates between valve column 6 and valve gap 8, and the upper end is contradicted with the lower extreme of valve column 6, the lower end of the valve body is abutted against the upper end of the valve cover 8.

This design utilizes spheroid 1 and case cooperation through setting up the case in spheroid 1, makes valve ball compact structure, suitability good, need not the valve body of redesign adaptation, and has the function of one-way circulation. When being in the valve body of the ball valve, the mounting groove 5 on the outer side surface of the ball body 1 can be matched with the valve rod for use, and the ball body 1 can be driven to rotate by rotating the valve rod. When water needs to be fed, the valve rod is rotated firstly to rotate the sphere 1 to an open state, then the valve cap 7 is withdrawn under the pressure of water flow, the sealing surface of the valve cap 7 is not sealed on the water inlet 4 any more, and water feeding is realized. When water flows backwards, the valve cap 7 can be restored to the initial position under the action of the spring 9, namely, the sealing surface of the valve cap 7 is sealed on the water inlet 4, water flow is closed, and the purpose of one-way circulation is achieved. When water is not needed to be fed, the valve rod can be rotated to rotate the ball body 1 to a closed state, and water flow is completely closed.

In order to further improve the sealed effect of sealed face, the case still includes annular sealed cushion 10, and the lateral surface of valve gap 8 is equipped with the outer annular groove 11 that supplies annular sealed cushion 10 cover to establish, and annular sealed cushion 10 is through outer annular groove 11 and sealed face laminating.

In order to guarantee that every installer when assembling valve cap 7 and valve gap 8, make valve cap 7 and valve gap 8 position apart from the relation and keep the same, and then guarantee that spring 9's elastic potential energy keeps unanimous, makes the utility model discloses a valve ball every can both reach the same standard, and the case still includes loop bar 12, and loop bar 12 is located between valve cap 7 and the valve gap 8, is equipped with the interior annular groove 13 that supplies the installation of loop bar 12 upper end on the valve cap 7, is equipped with the mounting hole 14 that supplies the installation of loop bar 12 lower extreme on the valve gap 8. Under the support of loop bar 12 is spacing, every the utility model discloses an its valve cap 7 of valve ball and valve gap 8 install after the position distance relation homoenergetic remain the same, loop bar 12 can also carry out a spacingly to spring 9 moreover, avoids the dislocation and the distortion of spring 9.

In order to make the spring 9 more stably and firmly installed, the lower end of the valve column 6 is provided with a first convex column 15 for sleeving the upper end of the spring 9, and a second convex column 16 for sleeving the lower end of the spring 9 is arranged in the installation hole 14.

In order to facilitate the installation of the valve cover 8 and the stability of the installation of the valve cover 8, the inner side surface of the valve cover 7 is provided with internal threads, the upper end of the valve cover 8 is provided with an annular flange 17, the outer side surface of the annular flange 17 is provided with external threads matched with the internal threads, and the lower end of the valve cover 8 is provided with a straight screw groove 18.

The valve post 6 includes post portion 61, ring portion 62 and connection post portion 61 and the connection leg 63 of ring portion 62, is interference fit between ring portion 62 and the delivery port 3, and the medial surface of delivery port 3 is equipped with the annular step 19 of conflict ring portion 62 lower extreme, and annular step 19 can carry on spacingly to ring portion 62, avoids the position of ring portion 62 installation to excessively move down and shift up, and then influences the elastic potential energy of spring 9, and then can't make the utility model discloses a valve ball every can both reach the same standard.

Because 6 outsides of valve post are located to 7 covers of valve cap, along 6 endwise slip of valve post, atmospheric pressure in the valve cap 7 can change along with the motion of valve cap 7, and atmospheric pressure change can lead to valve cap 7 to remove obstructed, right the utility model discloses the use of valve ball brings the influence, and the medial surface equipartition of valve cap 7 has a plurality of air passages 20, can be so that atmospheric pressure in the valve cap 7 and external world remain balanced all the time.

The diameter of valve gap 8 is less than the diameter of water inlet 4, because annular sealed cushion 10 can age gradually with the use along with time, this design has made things convenient for people to change annular sealed cushion 10, operates as follows: because the diameter of the valve cover 8 is smaller than that of the water inlet 4, after the valve body is opened, people can use a straight screwdriver to remove the valve cover 8 without removing the whole valve ball, and then replace the annular sealing rubber gasket 10.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. The utility model provides a check valve ball, characterized by, includes spheroid and case, be equipped with the installation cavity that supplies the case installation in the spheroid, the delivery port with the installation cavity intercommunication is seted up to spheroidal upper end, the water inlet with the installation cavity intercommunication is seted up to spheroidal lower extreme, spheroidal lateral surface is equipped with the mounting groove, the case includes valve post, valve cap, valve gap and spring, the valve post is installed in the installation cavity through cooperating with the delivery port, the valve post outside is located to the valve cap cover, follows the valve post endwise slip, the lower extreme at the valve cap is installed to the valve cap, the lower extreme of valve cap is sealed face, the diameter of sealed face is greater than the diameter of water inlet and makes sealed face seal on the water inlet, the spring is located between valve post and the valve cap, and the upper end of upper end and valve post is contradicted, and the upper end of lower extreme and valve cap is contradicted.

2. A check valve ball as recited in claim 1, wherein: the valve element further comprises an annular sealing rubber gasket, an outer annular groove for sleeving the annular sealing rubber gasket is formed in the outer side face of the valve cover, and the annular sealing rubber gasket is attached to the sealing face through the outer annular groove.

3. A check valve ball as recited in claim 1, wherein: the valve core further comprises a sleeve rod, the sleeve rod is arranged between the valve cap and the valve cover, an inner annular groove for installing the upper end of the sleeve rod is formed in the valve cap, and an installation hole for installing the lower end of the sleeve rod is formed in the valve cover.

4. A check valve ball as recited in claim 3, wherein: the lower extreme of valve post is equipped with the first projection that supplies spring upper end cover to establish, be equipped with the second projection that supplies spring lower extreme cover to establish in the mounting hole.

5. A check valve ball as recited in claim 1, wherein: the medial surface of valve cap is equipped with the internal thread, the upper end of valve cap is equipped with the annular flange, the lateral surface of annular flange be equipped with the external screw thread of internal thread adaptation, the lower extreme of valve cap is equipped with a word screw groove.

6. A check valve ball as recited in claim 1, wherein: the valve column comprises a column part, a ring part and connecting legs for connecting the column part and the ring part, the ring part is in interference fit with the water outlet, and the inner side surface of the water outlet is provided with an annular step which is abutted against the lower end of the ring part.

7. A check valve ball as recited in claim 1, wherein: and a plurality of vent passages are uniformly distributed on the inner side surface of the valve cap.

8. A check valve ball as recited in claim 1, wherein: the diameter of the valve cover is smaller than that of the water inlet.