CN219712404U - Control assembly in pipeline control valve - Google Patents
Control assembly in pipeline control valve Download PDFInfo
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- CN219712404U CN219712404U CN202321129494.4U CN202321129494U CN219712404U CN 219712404 U CN219712404 U CN 219712404U CN 202321129494 U CN202321129494 U CN 202321129494U CN 219712404 U CN219712404 U CN 219712404U
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- Prior art keywords
- control
- valve
- control assembly
- contact surface
- chute
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- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims 2
- 210000001503 joint Anatomy 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000007789 sealing Methods 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The control assembly in the pipeline control valve is assembled on the valve rod and the spherical valve core in the valve body and comprises a control assembly seat and a control pressing plate, wherein the control assembly seat is assembled on the spherical valve core, and the control pressing plate is assembled on the valve rod. The side of the control assembly seat is provided with a limiting block, and a limiting chute matched with the limiting block is arranged in the valve body. A sliding piece capable of resetting and sliding is arranged below the control pressing plate, and a contact surface abutting against the sliding piece is arranged on the control assembly seat. The contact surface is a round table-shaped side surface, and a limit groove matched with the sliding piece is formed in the contact surface. The limit groove is used for realizing the switching of a switch function and an adjusting function. The utility model can control the spherical valve core and the flow control plug by controlling the single valve rod, and has simple structure.
Description
Technical Field
The utility model belongs to the technical field of spherical pipeline control valves, and particularly relates to a control assembly in a pipeline control valve.
Background
A ball control valve is a type of valve that regulates fluid flow through a ball valve. The valve adopts a ball body arranged on a valve rod, and the flow is controlled by changing the opening between the ball body and a valve seat. Compared with other valves, the spherical control valve has a unique structure, and uses the sphere as a control part, so that the flexibility of adjustment is reserved, the abrasion is effectively reduced, and the service life is prolonged. Meanwhile, the ball body has good tightness, can prevent gas leakage and is beneficial to fluid control. These advantages make spherical control valves particularly suitable for demanding pipe systems and pipes containing corrosive fluids. The spherical control valve is widely applied to pipeline systems in petrochemical industry, chemical industry and power distribution industry.
However, the existing ball control valve has certain disadvantages, mainly that small flow cannot be precisely controlled. Because the ball control valve controls the flow rate by means of small opening changes between the ball and the valve seat, when the flow rate is small, the influence of small movement of the ball on the flow rate is small, and accurate control of the flow rate is difficult to realize. At small flow rates, the flow adjustment steps are large, and the flow control is not fine enough. In addition, with the development of technology and materials, conventional ball control valves also face new challenges.
Accordingly, the present utility model has been further designed and developed based on some of the above prior art.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a control component in a pipeline control valve, which can realize the switching of the switching function and the adjusting function of the spherical control valve and has a simple and reliable structure.
In order to solve the technical problems, the utility model is solved by the following technical scheme.
The control assembly in the pipeline control valve is assembled on the valve rod and the spherical valve core in the valve body and comprises a control assembly seat and a control pressing plate, wherein the control assembly seat is assembled on the spherical valve core, and the control pressing plate is assembled on the valve rod. The side of the control assembly seat is provided with a limiting block, and a limiting chute matched with the limiting block is arranged in the valve body. A sliding piece capable of resetting and sliding is arranged below the control pressing plate, and a contact surface abutting against the sliding piece is arranged on the control assembly seat. The contact surface is a round table-shaped side surface, and a limit groove matched with the sliding piece is formed in the contact surface. The limit groove is used for realizing the switching of a switch function and an adjusting function. The utility model can control the spherical valve core and the flow control plug by controlling the single valve rod, and has simple structure.
As a preferred embodiment of the control assembly in the pipe control valve according to the utility model, in particular, the maximum rotation angle of the limiting block in the limiting chute is 90 °. The spherical valve core is limited to be dead after being turned by 90 degrees and is opened, so that the problem of excessive rotation is avoided.
As a preferred embodiment of the control assembly in the pipeline control valve, in particular, a chute is arranged on the control pressure plate, a limiting rod with a return spring is arranged in the chute, the sliding piece is assembled in the chute through the limiting rod, and the return spring is used for resetting the sliding piece.
As a preferred embodiment of the control assembly in the pipe control valve according to the utility model, in particular, the slide comprises an elastic telescopic rod fitted with a ball at the end, the ball having a partially exposed rolling abutment surface which abuts against the contact surface. Simple structure, and utilize the ball to roll and remove, wearing and tearing are less relatively.
As a preferred embodiment of the control assembly in the pipe control valve according to the utility model, in particular, the contact surface self-limiting groove is provided with a channel in the direction of the generatrix. The sliding piece is enabled to displace through the contact surface of the truncated cone shape in the rotation process of the valve rod, so that a user can sense the control state of the valve rod through the changed rotation resistance.
As a preferred embodiment of the control assembly in the pipeline control valve, specifically, the bottom of the control assembly seat is provided with a sealing sleeve, and the valve rod penetrates through the sealing sleeve and is provided with a flow control plug at the end part. The seal sleeve can prevent running water from penetrating into the control assembly from the gap between the valve rod and the control assembly seat, so that water leakage is caused.
Compared with the prior art, the utility model has the following beneficial effects: the switching function and the adjusting function of the spherical control valve can be switched through a mechanical structure, and the structure is simple and reliable.
Drawings
Fig. 1 is a schematic perspective view of a pipe control valve.
Fig. 2 is a plan sectional view of the pipe control valve.
Fig. 3 is a partial enlarged view at a in fig. 2.
Fig. 4 is a plan sectional view of the valve body at the restricting chute.
FIG. 5 is a schematic illustration of the assembly of a valve stem and a control pressure plate.
Fig. 6 is a perspective view of the control mount.
The following is a description of the marks in the drawings of the specification:
1. a valve body; 11. a water inlet; 12. a water outlet; 13. a seal; 14. limiting the chute;
2. a spherical valve core; 21. a water inlet flow passage; 22. a water outlet flow passage; 23. a flow port;
3. a valve stem; 31. a flow control plug;
4. controlling the assembly seat; 41. a limiting block; 42. a limit groove; 43. a channel;
5. a control pressure plate; 51. a chute; 52. a restraining bar; 53. a return spring;
6. a slider; 61. an elastic telescopic rod; 62. a ball;
7. and (5) sealing the sleeve.
Description of the embodiments
The utility model is described in further detail below with reference to the drawings and the detailed description.
In the following embodiments, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, and the embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
In the description of the present utility model, it is to be understood that the terms: the directions of the center, the longitudinal, the lateral, the length, the width, the thickness, the upper, the lower, the front, the rear, the left, the right, the vertical, the horizontal, the top, the bottom, the inner, the outer, the clockwise, the counterclockwise, etc. indicate the directions or the positional relationship based on the directions or the positional relationship shown in the drawings, are merely for convenience of description and simplification of the description, and therefore, should not be construed as limiting the present utility model. Furthermore, the term: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of features shown. In the description of the present utility model, unless explicitly specified and defined otherwise, the terms: mounting, connecting, etc. should be construed broadly and the specific meaning of the terms in the present application will be understood by those skilled in the art in view of the specific circumstances.
Referring to fig. 1 to 6, a spherical control valve comprises a valve body 1, wherein two sides of the valve body 1 are respectively provided with a water inlet 11 and a water outlet 12, a spherical valve core 2 is arranged in the valve body 1, and a valve rod 3 extending out of the valve body 1 and used for control is arranged above the spherical valve core 2. A sealing element 13 is arranged in the valve body 1, and the sealing element 13 is abutted between the valve body 1 and the spherical valve core 2. The seal 13 is able to avoid leakage.
Specifically, two sides of the spherical valve core 2 are respectively provided with a water inlet runner 21 communicated with the water inlet 11 and a water outlet runner 22 communicated with the water outlet 12. The middle of the spherical valve core 2 is provided with a circulation port 23, the water inlet runner 21 is positioned below the circulation port 23, and the water outlet runner 22 is positioned above the circulation port 23. The valve rod 3 extends into the ball valve core 2 and is provided with a flow control plug 31 at the end which cooperates with the flow opening 23. A control assembly is arranged between the valve rod 3 and the spherical valve core 2. The control assembly is used for controlling the rotation of the spherical valve core 2 and the lifting of the flow control plug 31. With the above structure, the present utility model can control the flow control plug 31 to be lifted and lowered by the control means in addition to the function of opening and closing the valve body 1, so as to adjust the flow rate through the flow port 23. Through the structure, the spherical control valve has an accurate flow regulating function.
The control assembly enables a user to control the spherical valve core 2 and the flow control plug 31 by controlling the single valve rod 3, and the structure is as follows: comprising a control assembly seat 4 assembled on the spherical valve core 2 and a control pressing plate 5 assembled on the valve rod 3. The side of the control assembly seat 4 is provided with a limiting block 41, and the valve body 1 is internally provided with a limiting chute 14 matched with the limiting block 41. A control structure is arranged between the control assembly seat 4 and the control pressing plate 5.
In particular, the maximum rotation angle of the limiting block 41 in the limiting chute 14 is 90 °. The spherical valve core 2 is limited to be dead after being turned by 90 degrees and opened, so that the problem of excessive rotation is avoided.
Wherein, the control structure comprises a sliding piece 6, and a contact surface matched with the sliding piece 6 is arranged on the control assembly seat 4. The contact surface is a truncated cone-shaped side surface. The slider 6 is displaced by the contact surface of the truncated cone shape during the rotation of the valve rod 3, so that the user can perceive the control state of the valve rod 3 through the changed rotation resistance.
The sliding piece 6 is assembled and connected with the control pressing plate 5, and the structure is specifically as follows: the control pressure plate 5 is provided with a chute 51, a limiting rod 52 with a return spring 53 is arranged in the chute 51, the sliding piece 6 is assembled in the chute 51 through the limiting rod 52, and the return spring 53 is used for resetting the sliding piece 6. So that the slide 6 can be reset by itself after the control valve has been closed.
Specifically, the slider 6 includes an elastic telescopic rod 61, and the elastic telescopic rod 61 is provided with a ball 62 at an end portion, and the ball 62 has a rolling contact surface partially exposed, and the rolling contact surface is abutted against the contact surface. The structure is simple, and the balls 62 roll to move, so that abrasion is relatively small. The top of the contact surface is provided with a limit groove 42 cooperating with the rolling abutment surface. The limit groove 42 is used for switching the switching function and the adjusting function. The contact surface self-limiting groove 42 is provided with a groove 43 in the direction of the generatrix. The channel 43 can be used to prompt the user when he turns the valve stem 3, which is advantageous for calculating the number of turns.
Preferably, a sealing sleeve 7 is arranged at the bottom of the control assembly seat 4, and the valve rod 3 passes through the sealing sleeve 7. The sealing sleeve 7 can prevent running water from penetrating into the control assembly from the gap between the valve rod 3 and the control assembly seat 4, so that water leakage is caused. The end of the flow control plug 31 is made of rubber material, so that the flow control plug 31 completely closes the flow port 23.
The scope of the present utility model includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the utility model.
Claims (6)
1. The control assembly in the pipeline control valve is assembled on a valve rod (3) and a spherical valve core (2) in the valve body (1) and is characterized by comprising a control assembly seat (4) and a control pressing plate (5), wherein the control assembly seat (4) is assembled on the spherical valve core (2), and the control pressing plate (5) is assembled on the valve rod (3); a limiting block (41) is arranged on the side face of the control assembly seat (4), and a limiting chute (14) matched with the limiting block (41) is arranged in the valve body (1);
a sliding piece (6) capable of resetting and sliding is arranged below the control pressing plate (5), and a contact surface which is in butt joint with the sliding piece (6) is arranged on the control assembly seat (4); the contact surface is a truncated cone-shaped side surface, and a limit groove (42) matched with the sliding piece is arranged on the contact surface.
2. Control assembly in a pipe control valve according to claim 1, characterized in that the maximum rotation angle of the limiting block (41) in the limiting chute (14) is 90 °.
3. Control assembly in a pipe control valve according to claim 1, characterized in that the control pressure plate (5) is provided with a chute (51), that the chute (51) is provided with a limit lever (52) with a return spring (53), that the slide (6) is fitted in the chute (51) by means of the limit lever (52), and that the return spring (53) is used for the return of the slide (6).
4. Control assembly in a pipe control valve according to claim 1, characterized in that the slide (6) comprises a resilient telescopic rod (61), which resilient telescopic rod (61) is fitted with a ball (62) at the end, which ball (62) has a partly exposed rolling abutment surface, which rolling abutment surface abuts against a contact surface.
5. Control assembly in a pipe control valve according to claim 1, characterized in that the contact surface self-limiting groove (42) is provided with a channel (43) in the direction of the bus bar.
6. A control assembly in a pipe control valve according to claim 1, characterized in that the control mount (4) is provided with a gland (7) at the bottom, and that the valve stem (3) passes through the gland (7) and is provided with a flow control plug (31) at the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321129494.4U CN219712404U (en) | 2023-05-11 | 2023-05-11 | Control assembly in pipeline control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321129494.4U CN219712404U (en) | 2023-05-11 | 2023-05-11 | Control assembly in pipeline control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712404U true CN219712404U (en) | 2023-09-19 |
Family
ID=87977553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321129494.4U Active CN219712404U (en) | 2023-05-11 | 2023-05-11 | Control assembly in pipeline control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712404U (en) |
-
2023
- 2023-05-11 CN CN202321129494.4U patent/CN219712404U/en active Active
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| GR01 | Patent grant |