CN216618616U

CN216618616U - Ball valve convenient to adjust and control

Info

Publication number: CN216618616U
Application number: CN202123168689.3U
Authority: CN
Inventors: 徐勇武; 王伟
Original assignee: Nanjing Chncvc Process Control Co ltd
Current assignee: Nanjing Chncvc Process Control Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-27
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a ball valve convenient to adjust and control, which belongs to the technical field of ball valves and comprises a valve body, wherein a medium passage is formed in the valve body, a control cavity is formed in the middle of the medium passage, a spherical valve is arranged on the inner wall of the control cavity, and a circulation groove is formed in the inner side of the spherical valve. The ball valve solves the problems that the bottom of the ball valve is easy to wear and cannot realize flow regulation and difficult installation, the cross section of the through groove can be controlled by controlling the size of the cross section of the through groove through the use of the rotary button, the regulating valve and the flow control cavity, so that the flow of a medium flowing in the through groove and the medium channel is controlled, the ball valve also has the capacity of regulating the flow, a fulcrum is provided for the rotation of the ball valve through the use of the fulcrum block, the acting force between the ball valve and the bottom wall in the control cavity is reduced, the wear and the collision between the ball valve and the inner wall of the control cavity are reduced, and the service life of the ball valve is further prolonged.

Description

Ball valve convenient to adjust and control

The technical field is as follows:

the utility model belongs to the technical field of ball valves, and particularly relates to a ball valve convenient to adjust and control.

The background art comprises the following steps:

the opening and closing part of the ball valve is a circular sphere with a hole, the ball core rotates 0-90 degrees around the axis of the valve rod to move back and forth, so that the purpose of opening or closing the valve is achieved, the ball valve has a plurality of functions and is generally used for switching off or adjusting media in a pipeline, the three-way ball valve can flexibly switch off, distribute and change the flow direction of the media, the sealing surface of the ball valve is usually in a state of being closed with the spherical surface, so the ball valve is not easily eroded by the media, the operation is convenient, the structure is simple and compact, and the ball valve can be used in working conditions of water, natural gas, acid, solvent and the like.

The existing ball valve only has the capacity of controlling the on-off of a pipeline, the flow of a medium cannot be accurately regulated, a flow control valve needs to be additionally installed in a matched mode, the bottom of the ball valve body lacks a single entity fulcrum easy to fixedly install, the weight of the ball valve body is supported by the bottom of the inner cavity of the valve body, and therefore the bottom of the inner cavity of the valve body is seriously abraded, and the ball valve convenient to regulate and control is provided.

The utility model has the following contents:

the utility model provides a ball valve convenient to adjust and control, and aims to solve the problems that the bottom of a traditional ball valve is easy to wear, flow adjustment cannot be realized, and installation is difficult.

The utility model provides a ball valve convenient for adjustment and control, which comprises a valve body, wherein a medium channel is formed in the valve body, a control cavity is formed in the middle of the medium channel, a spherical valve is arranged on the inner wall of the control cavity, a circulation groove is formed in the inner side of the spherical valve, a flow control cavity is formed in the middle of the inner wall of the circulation groove, an adjusting valve is hinged to the inner wall of the flow control cavity, a linkage shaft is connected to the inner side of the adjusting valve in a threaded manner, a control column is arranged at the top of the spherical valve, and a rotation auxiliary mechanism is arranged at the bottom of the spherical valve;

furthermore, the auxiliary rotating mechanism comprises a fulcrum groove arranged at the bottom of the valve body, the inner wall of the fulcrum groove is in threaded connection with a fulcrum table, a fulcrum block is inserted into the top of the fulcrum table, and the top end of the fulcrum block is inserted into the bottom of the spherical valve.

Through adopting above-mentioned scheme, the fulcrum piece provides the fulcrum for the rotation of globular valve, makes the bottom of globular valve obtain the spacing of fulcrum piece, and the fulcrum piece bears the most gravity that globular valve received to reduce the effort between globular valve and the control intracavity diapire, thereby reduce wearing and tearing and collision between globular valve and the control intracavity wall, and then prolong the life of ball valve.

Furthermore, the bottom of the spherical valve is connected with a sealing rubber ring in a clamping manner, and the bottom of the sealing rubber ring is movably connected with the top of the fulcrum table.

By adopting the scheme, the sealing rubber ring ensures that good air tightness is obtained between the spherical valve and the fulcrum table, and prevents the liquid medium from corroding the fulcrum block.

Furthermore, a connecting column is fixedly arranged at the bottom of the control column, and the bottom of the connecting column is spliced with the top of the spherical valve.

By adopting the scheme, the connecting column enables the spherical valve and the control column to be relatively fixed, so that the control column can directly control the spherical valve to rotate synchronously.

Furthermore, the sealing plug is sleeved on the outer side of the middle part of the linkage shaft, and the outer side of the sealing plug is connected with the inner side of the top of the spherical valve in an inserting mode.

By adopting the scheme, the linkage shaft is used for limiting the relative position of the adjusting valve and the linkage shaft, so that the centers of circles of the adjusting valve and the flow control cavity are overlapped.

Furthermore, a side shell is inserted into one side of the inner wall of the control cavity, and the side shell is fixedly connected with the valve body through a connecting bolt.

Through adopting above-mentioned scheme, this installation fixed mode makes things convenient for the installation and the maintenance of ball valve.

Furthermore, a control handle is fixedly arranged on one side of the control column, a rotating button is arranged at the top end of the linkage shaft, and an indicating strip is fixedly connected to the bottom of one side of the rotating button.

By adopting the scheme, the control handle is used for conveniently and directly controlling the rotation of the control column so as to control the circulation condition of the medium channel and realize the purpose of accurately controlling the flow of the ball valve.

Furthermore, one side of the inner wall of the control cavity and one side of the side shell are both provided with a sealing ring which is uniformly distributed, and one side of the sealing ring is movably connected with the outer side of the spherical valve.

By adopting the scheme, the sealing ring avoids the abrasion of the spherical valve due to the direct contact with the periphery of the inner wall of the control cavity.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

1. according to the ball valve, the cross section of the through groove can be controlled by controlling the size of the cross section of the through groove through the use of the rotary button, the adjusting valve and the flow control cavity, so that the flow of a medium flowing in the through groove and the medium channel is controlled, the ball valve also has the capacity of adjusting the flow, a fulcrum is provided for the rotation of the spherical valve through the use of the fulcrum block, the acting force between the spherical valve and the inner wall of the control cavity is reduced, the abrasion and the collision between the spherical valve and the inner wall of the control cavity are reduced, and the service life of the ball valve is further prolonged;

2. in the utility model, the sealing rubber ring is used, so that the spherical valve and the fulcrum table obtain good air tightness, the liquid medium is prevented from corroding the fulcrum block, and the spherical valve is prevented from being directly contacted with the periphery of the inner wall of the control cavity to be abraded by using the sealing ring.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Description of the drawings:

the accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front cross-sectional view of the present invention;

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

FIG. 3 is an enlarged partial view of part A of FIG. 1 according to the present invention;

fig. 4 is a partially enlarged structural diagram of part B in fig. 1 according to the present invention.

Reference numerals: 1. a valve body; 2. a media channel; 3. a control chamber; 4. a ball valve; 5. a circulation tank; 6. a fulcrum groove; 7. a fulcrum table; 8. a side casing; 9. a seal ring; 10. a flow control chamber; 11. adjusting the valve; 12. a linkage shaft; 13. a connecting bolt; 14. a control column; 15. a control handle; 16. a fulcrum block; 17. an indicator strip; 18. a rotation knob; 19. a fixed seat; 20. sealing the rubber ring; 21. sealing the plug; 22. connecting columns.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

As shown in fig. 1-4, the utility model provides a ball valve convenient for adjustment and control, which comprises a valve body 1, wherein a medium passage 2 is formed inside the valve body 1, a control chamber 3 is formed in the middle of the medium passage 2, a spherical valve 4 is arranged on the inner wall of the control chamber 3, a circulation groove 5 is formed on the inner side of the spherical valve 4, a flow control chamber 10 is formed in the middle of the inner wall of the circulation groove 5, an adjusting valve 11 is hinged to the inner wall of the flow control chamber 10, a linkage shaft 12 is connected to the inner side of the adjusting valve 11 through a thread, a control column 14 is arranged at the top of the spherical valve 4, and a rotation auxiliary mechanism is arranged at the bottom of the spherical valve 4;

the rotation auxiliary mechanism comprises a fulcrum groove 6 arranged at the bottom of the valve body 1, the inner wall of the fulcrum groove 6 is in threaded connection with a fulcrum table 7, a fulcrum block 16 is inserted at the top of the fulcrum table 7, the top end of the fulcrum block 16 is inserted with the bottom of the spherical valve 4, the fulcrum block 16 provides a fulcrum for the rotation of the spherical valve 4, so that the bottom of the spherical valve 4 is limited by the fulcrum block 16, and the fulcrum block 16 bears most of the gravity borne by the spherical valve 4, so that the acting force between the spherical valve 4 and the inner wall of the control cavity 3 is reduced, the abrasion and the collision between the spherical valve 4 and the inner wall of the control cavity 3 are reduced, and the service life of the ball valve is further prolonged;

the bottom of the spherical valve 4 is clamped with a sealing rubber ring 20, the bottom of the sealing rubber ring 20 is movably connected with the top of the fulcrum table 7, and the sealing rubber ring 20 enables good air tightness between the spherical valve 4 and the fulcrum table 7 to be obtained, so that a liquid medium is prevented from corroding the fulcrum block 16.

A connecting column 22 is fixedly arranged at the bottom of the control column 14, the bottom of the connecting column 22 is inserted into the top of the ball valve 4, and the connecting column 22 enables the ball valve 4 and the control column 14 to be relatively fixed, so that the control column 14 can directly control the ball valve 4 to rotate synchronously;

a sealing plug 21 is sleeved on the outer side of the middle part of the linkage shaft 12, the outer side of the sealing plug 21 is inserted into the inner side of the top of the spherical valve 4, and the linkage shaft 12 is used for limiting the relative position of the adjusting valve 11 and the linkage shaft 12 so that the circle centers of the adjusting valve 11 and the flow control cavity 10 are overlapped;

a side shell 8 is inserted into one side of the inner wall of the control cavity 3, the side shell 8 is fixedly connected with the valve body 1 through a connecting bolt 13, and the installation and the maintenance of the ball valve are facilitated by the installation and fixing mode;

a control handle 15 is fixedly arranged on one side of the control column 14, a rotating button 18 is arranged at the top end of the linkage shaft 12, an indication strip 17 is fixedly connected to the bottom of one side of the rotating button 18, and the control handle 15 is used for conveniently and directly controlling the rotation of the control column 14 so as to control the circulation condition of the medium channel 2 and achieve the purpose of accurately controlling the flow of the ball valve;

one side of the inner wall of the control cavity 3 and one side of the side shell 8 are both provided with a sealing ring 9 which is uniformly distributed, one side of the sealing ring 9 is movably connected with the outer side of the ball valve 4, and the sealing ring 9 prevents the ball valve 4 from being worn due to direct contact with the periphery of the inner wall of the control cavity 3.

The implementation mode is specifically as follows: when mounting, the sealing ring 9 is first mounted to the inner walls of the control chamber 3 and the side casing 8, and then the ball valve 4 is assembled to the inner side of the control chamber 3, then the sealing rubber ring 20 and the fulcrum block 16 are arranged at the bottom end of the ball valve 4, then the fulcrum table 7 is screwed into the inner side of the fulcrum groove 6, so that the fulcrum block 16 is inserted and fixed with the fulcrum table 7, then the side casing 8 is fitted and mounted to one side of the control chamber 3, and then the side casing 8 is fixedly coupled to the valve body 1 by the coupling bolt 13, the adjustment valve 11 is then placed into the interior of the flow control chamber 10 through the top of the ball valve 4, then the linkage shaft 12 is connected with the adjusting valve 11 by screw thread, the sealing plug 21 is arranged at the top end of the ball valve 4, then the control column 14 and the ball valve 4 are inserted and installed, finally the fixed seat 19 is in threaded connection with the top of the valve body 1, and the control column 14 is extruded to a proper position through the fixed seat 19;

when the valve is used, the valve body 1 is connected with a pipeline to be used, after the connection is completed, the rotation of the control column 14 can be controlled through the control handle 15, the control column 14 controls the spherical valve 4 to rotate for 90 degrees, the spherical valve 4 can control the medium circulation condition of the medium channel 2, when the axis of the circulation groove 5 is superposed with the axis of the medium channel 2, a medium can reach the other end through one end of the medium channel 2, and when the axis of the circulation groove 5 is vertical to the axis of the medium channel 2, the medium cannot reach the other end through one end of the medium channel 2;

when the medium channel 2 is in a medium circulation state, the angle of the adjusting valve 11 in the flow control cavity 10 can be adjusted by controlling the rotary knob 18, so that the size of the cross section of the flow control groove 5 is controlled, the flow of the medium circulating in the flow control groove 5 and the medium channel 2 is controlled, and the ball valve also has the capacity of adjusting the flow.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A ball valve convenient for adjustment and control comprises a valve body (1) and is characterized in that a medium channel (2) is arranged inside the valve body (1), a control cavity (3) is arranged in the middle of the medium channel (2), a ball valve (4) is arranged on the inner wall of the control cavity (3), the inner side of the spherical valve (4) is provided with a circulation groove (5), the middle part of the inner wall of the circulation groove (5) is provided with a flow control cavity (10), the inner wall of the flow control cavity (10) is hinged with an adjusting valve (11), the inner side of the adjusting valve (11) is in threaded connection with a linkage shaft (12), the top of the ball valve (4) is provided with a control column (14), the top end of the valve body (1) is connected with a fixed seat (19) in a threaded manner, the inner side of the fixed seat (19) is sleeved with the outer side of the control column (14), and the bottom of the spherical valve (4) is provided with a rotation auxiliary mechanism.

2. A conveniently regulated and controlled ball valve according to claim 1, wherein: the auxiliary rotating mechanism comprises a fulcrum groove (6) arranged at the bottom of the valve body (1), the inner wall of the fulcrum groove (6) is in threaded connection with a fulcrum table (7), a fulcrum block (16) is inserted at the top of the fulcrum table (7), and the top end of the fulcrum block (16) is inserted at the bottom of the spherical valve (4).

3. A conveniently regulated and controlled ball valve according to claim 2, wherein: the bottom joint of globular valve (4) has sealing rubber circle (20), the bottom and the top swing joint of fulcrum platform (7) of sealing rubber circle (20).

4. A conveniently regulated and controlled ball valve according to claim 1, wherein: the bottom of the control column (14) is fixedly provided with a connecting column (22), and the bottom of the connecting column (22) is inserted into the top of the spherical valve (4).

5. A conveniently regulated and controlled ball valve as claimed in claim 1, wherein: the outside at universal driving shaft (12) middle part has cup jointed sealing stopper (21), the outside of sealing stopper (21) is pegged graft with the inboard at globular valve (4) top.

6. A conveniently regulated and controlled ball valve according to claim 1, wherein: a side shell (8) is inserted into one side of the inner wall of the control cavity (3), and the side shell (8) is fixedly connected with the valve body (1) through a connecting bolt (13).

7. A conveniently regulated and controlled ball valve according to claim 1, wherein: a control handle (15) is fixedly arranged on one side of the control column (14), a rotating button (18) is arranged at the top end of the linkage shaft (12), and an indicating strip (17) is fixedly connected to the bottom of one side of the rotating button (18).

8. The ball valve convenient for adjusting and controlling as claimed in claim 6, wherein: and one side of the inner wall of the control cavity (3) and one side of the side shell (8) are both provided with a sealing ring (9) which is uniformly distributed, and one side of the sealing ring (9) is movably connected with the outer side of the spherical valve (4).