CN215445141U

CN215445141U - Ball valve capable of adjusting flow

Info

Publication number: CN215445141U
Application number: CN202121205648.4U
Authority: CN
Inventors: 康康; 冉银波; 叶锋; 黄建伟; 曾恒
Original assignee: ZHEJIANG DECA CONTROL VALVE METER CO Ltd
Current assignee: ZHEJIANG DECA CONTROL VALVE METER CO Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-01-07
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a flow-adjustable ball valve, which comprises a valve body and is characterized in that: the improved rotary valve is characterized in that a ball body is arranged in the valve body, through holes are formed in two sides of the ball body, valve seats are connected to the front end and the rear end of the valve body, a sealing sleeve is arranged between the valve seats and the valve body, a square groove is formed in the upper end of the ball body, an auxiliary valve seat is fixedly connected to the upper end of the valve body, a rotary shaft, a gasket and a sealing ring are arranged in the auxiliary valve seat, the lower end of the rotary shaft penetrates through the lower wall of the auxiliary valve seat and the upper wall of the valve body respectively, the lower end of the rotary shaft is matched and rotated in the square groove, the gasket and the sealing ring are sleeved on the outer side of the rotary shaft, and the upper end of the rotary shaft penetrates through the upper wall of the auxiliary valve seat and is connected with a handle. According to the utility model, the filter screen is arranged into a net bag shape, and the medium in the pipeline can be effectively filtered through the filter screen, so that the replacement time of the filter screen is shortened, the replacement cost of the filter screen is reduced, and the practicability is improved.

Description

Ball valve capable of adjusting flow

Technical Field

The utility model relates to the field of ball valves, in particular to a ball valve capable of adjusting flow.

Background

In a fluid medium conveying pipeline, a ball valve is an effective and necessary cut-off device, and the ball valve takes a ball body as a starting and closing part, and a valve core is driven by a valve rod to make the valve core rotate around the axis of the valve rod. This spheroid is also called the case, be equipped with the through-hole in the spheroid as the runner, the through-hole is the ball mouth at the opening on spheroid surface, the spheroid both sides have closely laminated the sealing washer, the sealing washer also is equipped with the through-hole and the seal port that corresponds with the ball mouth, the sphere cooperation forms sealed sphere between spheroid and the disk seat, ball valve both sides switch on when ball mouth intersects with the seal port, the medium can get into the other end from the one end of ball valve through the runner, when ball mouth and seal port non-intersect, the ball valve both sides do not switch on, the medium of both sides is cut off.

The valve belongs to the consumable article in pipe-line system because inside long-term transport medium, and current ball valve is inside not to be equipped with the filter screen, because long-time receipts send the medium, impurity and filth in the medium can cause the jam to the pipeline, influence the normal use of pipeline, and cause the maintenance duration longer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a ball valve capable of adjusting flow.

In order to achieve the purpose, the utility model adopts the following technical scheme: a ball valve capable of adjusting flow comprises a valve body, wherein a ball body is arranged in the valve body, through holes are formed in two sides of the ball body, valve seats are fixedly connected to the front end and the rear end of the valve body, a sealing sleeve is arranged between the valve seats and the valve body, a square groove is formed in the upper end of the ball body, a sub valve seat is fixedly connected to the upper end of the valve body, a rotating shaft, a gasket and a sealing ring are arranged in the sub valve seat, the lower end of the rotating shaft penetrates through the lower wall of the sub valve seat and the upper wall of the valve body respectively, the rotating shaft is matched and rotates in the square groove, the gasket and the sealing ring are sleeved on the outer side of the rotating shaft, the upper end of the rotating shaft penetrates through the upper wall of the sub valve seat and is connected with a handle, a ratchet sleeve, a fixed rod and a spring are arranged in the handle, the spring is fixedly connected to the lower inner wall of the handle, and the fixed rod is rotatably connected to the center of the rear inner wall of the handle, and is positioned above the spring, and the ratchet wheel sleeve is positioned at the front end of the interior of the handle and is rotationally connected with the handle.

As a further description of the above technical solution:

the shape of axis of rotation is the hexagon, and can freely dismantle between handle and the axis of rotation.

As a further description of the above technical solution:

and a filter screen is arranged in the valve seat at the rear side of the valve body.

As a further description of the above technical solution:

and a second bolt is arranged at the joint of the valve seat and the valve body.

As a further description of the above technical solution:

the rear end both sides of filter screen are provided with the fixed block, and two the equal fixed connection of fixed block is on the inner wall of disk seat.

As a further description of the above technical solution:

the rear end surface of the handle is coated with a rubber antiskid coating.

As a further description of the above technical solution:

the auxiliary valve seat is divided into an upper part and a lower part, first bolts are fixedly connected to the front side and the rear side of the auxiliary valve seat, the lower ends of the first bolts are connected with first nuts, and the upper part and the lower part of the auxiliary valve seat are fixedly connected through bolts.

As a further description of the above technical solution:

the filter screen is in a net bag shape, and the front end of the filter screen is in a clamping table shape.

The utility model has the following beneficial effects:

compared with the existing arrangement, the filter screen is arranged into a net bag shape, the front end of the filter screen is in a clamping table shape and is matched and fixed in the annular groove on the inner wall of the valve seat, so that the blockage of the pipeline caused by sediments in a medium in the pipeline is reduced, impurities in the filter screen can be directly taken out during replacement without replacing the filter screen, the replacement time is shortened, and the cost of the filter screen is saved.

Compared with the existing arrangement, the ratchet wheel type ball valve has the advantages that the handle is arranged as the ratchet wheel handle, meanwhile, the handle is arranged to be detachable, the switch of the ball valve can be controlled in a narrow environment, convenience is improved, and meanwhile, the safety of ball valve control is improved.

Drawings

FIG. 1 is a front cross-sectional view of an adjustable flow ball valve according to the present invention;

FIG. 2 is a front view of an adjustable flow ball valve according to the present invention;

FIG. 3 is an isometric view of a ball valve body of an adjustable flow ball valve according to the present invention;

FIG. 4 is a cross-sectional view of an end of a flow adjustable ball valve handle according to the present invention;

fig. 5 is a schematic connection diagram of a flow-adjustable ball valve filter screen according to the present invention.

Illustration of the drawings:

1. a handle; 2. a secondary valve seat; 3. a first bolt; 4. a nut; 5. a seal ring; 6. a second bolt; 7. a valve seat; 8. a filter screen; 9. a fixed block; 10. sealing sleeves; 11. a sphere; 12. a valve body; 13. a gasket; 14. a rotating shaft; 15. a through hole; 16. a square groove; 17. a ratchet sleeve; 18. a spring; 19. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, one embodiment of the present invention is provided: a ball valve capable of adjusting flow comprises a valve body 12, a ball body 11 is arranged inside the valve body 12, the ball body 11 is matched and rotated inside the valve body 12, through holes 15 are formed in two sides of the ball body 11, valve seats 7 are fixedly connected to the front end and the rear end of the valve body 12, a sealing sleeve 10 is arranged between the valve seats 7 and the valve body 12, in order to prevent liquid leakage at the joint, a second bolt 6 is arranged at the joint of the valve seats 7 and the valve body 12, a filter screen 8 is arranged inside the valve seat 7 at the rear side of the valve body 12, the filter screen 8 is in a net bag shape, the front end of the filter screen is in a clamping table shape, an annular groove is formed in the inner wall of the front end of the valve seat 7 at the rear side, a clamping table at the top end of the filter screen 8 is just matched with the annular groove in the valve seat 7, fixing blocks 9 are arranged on two sides at the rear end of the filter screen 8, the two fixing blocks 9 are fixedly connected to the inner wall of the valve seat 7, the fixing blocks 9 play a role in supporting the filter screen 8, the upper end of the ball body 11 is provided with a square groove 16, the upper end of the valve body 12 is fixedly connected with an auxiliary valve seat 2, the inside of the auxiliary valve seat 2 is provided with a rotating shaft 14, a gasket 13 and a sealing ring 5, the lower end of the rotating shaft 14 respectively penetrates through the lower wall of the auxiliary valve seat 2 and the upper wall of the valve body 12, the rotating shaft 14 is matched and rotated inside the square groove 16, the rotating shaft 14 is hexagonal, the handle 1 and the rotating shaft 14 can be freely detached, the gasket 13 and the sealing ring 5 are both sleeved on the outer side of the rotating shaft 14, the upper end of the rotating shaft 14 penetrates through the upper wall of the auxiliary valve seat 2 and is connected with the handle 1, the inside of the handle 1 is provided with a ratchet sleeve 17, a fixed rod 19 and a spring 18, the spring 18 is fixedly connected on the lower inner wall of the handle 1, the fixed rod 19 is rotatably connected at the center of the rear inner wall of the handle 1 and is positioned above the spring 18, the ratchet sleeve 17 is positioned at the front end inside of the handle 1, and is rotationally connected with the handle 1, and the surface of the rear end of the handle 1 is coated with a rubber anti-slip coating to play a role in wear resistance and skid resistance.

Through dividing into two parts about the disk seat 2, and the equal fixedly connected with first bolt 3 in both sides around the disk seat 2, the lower extreme of two first bolts 3 all is connected with first nut 4, and the upper and lower part of disk seat 2 passes through bolt fixed connection, and disk seat 2 divide into upper and lower part and conveniently inspects maintenance and change the part of inside.

The working principle is as follows: through installing the tip of two pipelines with the ball valve, utilize handle 1 of upper end to rotate through axis of rotation 14 and take the spheroid 11 of the inside of valve body 12 and rotate, realize the on-off control to the ball valve, through having installed filter screen 8 additional in the inside of rear side valve seat 7, take off the valve seat through the second bolt 6 of dismouting rear side valve seat 7 front end and change the filter screen 8 of inside or take out the impurity of inside.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. An adjustable flow ball valve, including a valve body (12), characterized in that: the ball valve is characterized in that a ball body (11) is arranged in the valve body (12), through holes (15) are formed in two sides of the ball body (11), valve seats (7) are fixedly connected to the front end and the rear end of the valve body (12), a sealing sleeve (10) is arranged between the valve seats (7) and the valve body (12), a square groove (16) is formed in the upper end of the ball body (11), an auxiliary valve seat (2) is fixedly connected to the upper end of the valve body (12), a rotating shaft (14), a gasket (13) and a sealing ring (5) are arranged in the auxiliary valve seat (2), the lower end of the rotating shaft (14) penetrates through the lower wall of the auxiliary valve seat (2) and the upper wall of the valve body (12), the rotating shaft (14) is matched to rotate in the square groove (16), the gasket (13) and the sealing ring (5) are sleeved on the outer side of the rotating shaft (14), and the upper end of the rotating shaft (14) penetrates through the upper wall of the auxiliary valve seat (2), and be connected with handle (1), handle (1) inside is provided with ratchet sleeve (17), dead lever (19), spring (18) fixed connection is on the lower inner wall of handle (1), dead lever (19) rotate to be connected in the back inner wall center department of handle (1), and are located the top of spring (18), ratchet sleeve (17) are located the inside front end of handle (1), and rotate with handle (1) and be connected.

2. An adjustable flow ball valve as claimed in claim 1 wherein: the shape of the rotating shaft (14) is hexagonal, and the handle (1) and the rotating shaft (14) can be freely detached.

3. An adjustable flow ball valve as claimed in claim 1 wherein: a filter screen (8) is arranged in the valve seat (7) positioned at the rear side of the valve body (12).

4. An adjustable flow ball valve as claimed in claim 1 wherein: and a second bolt (6) is arranged at the joint of the valve seat (7) and the valve body (12).

5. An adjustable flow ball valve as claimed in claim 3 wherein: the rear end both sides of filter screen (8) are provided with fixed block (9), and two the equal fixed connection of fixed block (9) is on the inner wall of disk seat (7).

6. An adjustable flow ball valve as claimed in claim 1 wherein: the rear end surface of the handle (1) is coated with a rubber antiskid coating.

7. An adjustable flow ball valve as claimed in claim 1 wherein: the auxiliary valve seat (2) is divided into an upper part and a lower part, first bolts (3) are fixedly connected to the front side and the rear side of the auxiliary valve seat (2), the lower ends of the first bolts (3) are connected with first nuts (4), and the upper part and the lower part of the auxiliary valve seat (2) are fixedly connected through bolts.

8. An adjustable flow ball valve as claimed in claim 3 wherein: the filter screen (8) is in a net bag shape, and the front end of the filter screen is arranged to be in a clamping table shape.