CN216078354U - Stable electric sleeve regulating valve - Google Patents
Stable electric sleeve regulating valve Download PDFInfo
- Publication number
- CN216078354U CN216078354U CN202121360184.4U CN202121360184U CN216078354U CN 216078354 U CN216078354 U CN 216078354U CN 202121360184 U CN202121360184 U CN 202121360184U CN 216078354 U CN216078354 U CN 216078354U
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 127
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 230000001276 controlling effect Effects 0.000 claims abstract description 3
- 210000004907 gland Anatomy 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012856 packing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides a stable electric sleeve regulating valve, which comprises a valve body, a valve core, a valve rod, a valve cover and a support, wherein the valve cover is fixedly arranged between the valve body and the support, the valve body is provided with a fluid channel, an opening and closing opening is formed in the fluid channel, one end of the valve core is fixedly connected with the valve rod, the valve core is sleeved with a valve seat, one end of the valve rod, far away from the valve core, is fixedly provided with an electric actuating piece for controlling the sliding of the valve rod, a sealing assembly is fixedly arranged between the valve seat and the valve body and comprises a first sealing piece, a second sealing piece and a third sealing piece, a positioning piece is arranged between the first sealing piece and the second sealing piece, and a collision part is convexly formed at the position, corresponding to the first sealing piece, of the valve cover and used for colliding the first sealing piece, and the second sealing piece and the third sealing piece are extruded and sealed through the positioning piece The effect of simultaneously performing extrusion sealing among a plurality of sealing elements is realized.
Description
Technical Field
The utility model relates to the technical field of sleeve valves, in particular to a stable electric sleeve regulating valve.
Background
The valve core structure of the electric sleeve regulating valve is characterized in that a sleeve is in clearance fit with the valve core, a plurality of throttling windows are formed in a sleeve seat, the shape of each window determines the flow characteristic of the regulating valve, and the area of each window influences the flow coefficient Cv of the regulating valve. The valve is driven by receiving signals of an industrial automatic control system to change the sectional area between the valve core and the valve seat, so that the process parameters of flow, temperature, pressure and the like of a pipeline medium are controlled, and the automatic regulation function is realized.
The traditional electric sleeve regulating valve is poor in sealing performance and relatively poor in stability after installation of a valve core, and the normal working efficiency after installation is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a stable electric sleeve regulating valve which has the advantages of strong sealing performance, simple structure and capability of realizing simultaneous extrusion sealing among a plurality of sealing elements.
The above object of the present invention is achieved by the following technical solutions: a stable electric sleeve regulating valve comprises a valve body, a valve core, a valve rod, a valve cover and a support, wherein the valve cover is fixedly arranged between the valve body and the support, the valve body is provided with a fluid passage, an opening and closing opening is formed in the fluid passage, one end of the valve core is fixedly connected with the valve rod, the valve rod is in sliding fit with the valve body, the valve rod drives the valve core to be opened and closed along the axial direction of the valve core, a valve seat is sleeved outside the valve core, an electric actuating part is fixedly arranged at one end of the valve rod, which is far away from the valve core, and used for controlling the sliding of the valve rod, a sealing assembly is fixedly arranged between the valve seat and the valve body and comprises a first sealing part, a second sealing part and a third sealing part, a positioning part is arranged between the first sealing part and the second sealing part, and a conflict part is formed by the corresponding position of the valve cover and the first sealing part in a protruding manner, the second sealing piece and the third sealing piece are pressed and sealed through the positioning piece and against the first sealing piece.
Preferably, the valve seat is located first sealing member department has seted up the adjustment tank along circumference, the fixed regulation circle that is provided with in top of setting element, the regulation circle cover is located in the adjustment tank, and it can be followed slide in the adjustment tank height direction.
Preferably, a sealing groove is formed between the valve body and the valve seat in a relatively opened manner, the first sealing element and the second sealing element are fixedly arranged in the sealing groove, and the top and the bottom of the positioning element respectively abut against the first sealing element and the second sealing element.
Preferably, the valve body is located at the third sealing element, a fixing groove is formed in the circumferential direction of the opening and closing opening, the third sealing element is fixedly arranged in the fixing groove, and the bottom of the valve seat is installed in the fixing groove.
Preferably, the valve cover with be provided with the fourth sealing member between the valve rod, the fourth sealing member is including filling sealing layer, gland subassembly, the top of valve cover is close to valve rod department has seted up the packing seal groove, the packing sealing layer fix set up in the packing seal groove, just the gland subassembly with the valve cover passes through the bolt fastening, will the packing sealing layer fix set up in the packing seal groove.
In summary, the utility model includes at least one of the following beneficial technical effects: according to the utility model, the positioning part is arranged between the first sealing part and the second sealing part, the adjusting ring formed by the protrusion of the positioning part is in positioning fit with the adjusting groove arranged on the valve seat, the first sealing part is abutted through the abutting part formed by the protrusion of the valve cover, and then the valve seat is driven to move towards the direction of the valve body through the linkage action of the positioning part, so that the third sealing part between the valve seat and the valve body is extruded and sealed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a valve body; 2. a valve core; 3. a valve stem; 4. a valve cover; 41. a contact part; 5. a support; 6. a fluid channel; 61. a fluid inlet channel; 62. a fluid discharge passage; 7. opening and closing the opening; 8. a partition plate; 9. a valve seat; 10. a flow inlet; 20. a third seal member; 201. fixing grooves; 30. a first seal member; 40. a second seal member; 50. a positioning member; 501. a body; 502. an adjusting ring; 502a, an adjusting groove; 60. a buffer area; 70. a fourth seal member; 701. filling a sealing layer; 702. a gland assembly; 70a, filling a sealing groove; 80. a placement groove; 90. an electric actuator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and the like in the description and in the claims of the present application do not denote a limitation of quantity, but rather denote the presence of at least one.
In the description of the present specification and claims, the terms "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 shows a specific embodiment of the stable electric sleeve regulating valve of the present invention, which comprises a valve body 1, a valve core 2, a valve rod 3, a valve cover 4 and a bracket 5, wherein the valve cover 4 is fixedly arranged between the valve body 1 and the bracket 5, the valve body 1 is provided with a fluid passage 6, and an opening and closing port 7 is formed in the fluid passage 6.
The fluid passage 6 includes a fluid inlet passage 61 and a fluid outlet passage 62, the fluid inlet passage 61 and the fluid outlet passage 62 are arranged in a staggered manner, in this embodiment, the fluid inlet passage 61 is arranged at the top of the fluid outlet passage 62, a partition plate 8 is formed between the fluid inlet passage 61 and the fluid outlet passage 62 in a staggered manner, and the opening/closing port 7 is arranged on the partition plate 8.
In this embodiment, the longitudinal section of the fluid passage 6 is S-shaped, so that when fluid flows into the fluid passage 6, the valve body 1 can counteract impact force caused by the fluid, and the service life of the regulating valve is prolonged.
The inlet and the outlet of the fluid channel 6 are coaxially arranged, so that the installation height of the pipeline is not changed when the regulating valve is installed in the pipeline, and the pipeline arrangement is convenient.
In this embodiment, one end of the valve element 2 is fixedly connected to the valve rod 3, the other end of the valve element penetrates through the valve cover 4, the valve seat 9 is disposed between the valve body 1 and the valve element 2, the valve seat 9 is disposed on the valve element 2 in a sleeved manner, the valve seat 9 is provided with a fluid inlet 10 along the direction of the fluid inlet channel 61, and the fluid inlet channel 61 and the fluid outlet channel 62 are communicated through the fluid inlet 10, so as to achieve fluid flow.
Moreover, in order to improve the sealing performance between the valve seat 9 and the valve body 1, in this embodiment, a third sealing element 20 is disposed between the valve seat 9 and the valve body 1, a fixing groove 201 is formed in a corresponding position of the valve body 1 and the third sealing element 20, the third sealing element 20 is fixedly disposed in the fixing groove 201, the bottom of the valve seat 9 abuts against the top of the third sealing element 20, the valve seat 9 is installed in the fixing groove 201 and slides in the height direction of the fixing groove 201, the third sealing element 20 is pressed and sealed by applying pressure through the valve seat 9, and the sealing performance is better.
In this embodiment, the third sealing member 20 is a closed annular sealing structure, which has a better sealing performance, and is preferably a closed rubber seal ring.
A first sealing element 30 and a second sealing element 40 are fixedly arranged between one end of the valve seat 9 far away from the third sealing element 20 and the valve body 1, and a positioning element 50 is arranged between the first sealing element 30 and the second sealing element 40.
Wherein, the positioning member 50 includes a body 501 and an adjusting ring 502, the longitudinal section of the body 501 is rectangular, the top of the body 501 protrudes inwards to form the adjusting ring 502, and the corresponding position of the valve seat 9 and the adjusting ring 502 is provided with an adjusting groove 502a along the circumference, the adjusting ring 502 is sleeved in the adjusting groove 502a and can slide along the height direction of the adjusting groove 502a, the valve seat 9 is driven to move up and down by the interference between the adjusting ring 502 and the adjusting groove 502a on the positioning member 50, so as to promote the interference sealing of the third sealing member 20, and when the positioning member 50 moves downwards, the second sealing member 40 is squeezed, the valve seat 9 and the valve body 1 are sealed, the sealing performance between the valve seat 9 and the valve body 1 is improved, and the second sealing member 40 is squeezed by the positioning member 50 at the same time, so that the sealing performance between the valve seat 9 and the valve body 1 is stronger, a placing groove 80 is formed between the adjusting ring 502 and the valve body 1, first sealing member 30 is fixed to be set up in standing groove 80, and one side that first sealing member 30 is close to valve body 1 closely contradicts with valve body 1, makes first sealing member 30 when extrusion deformation, more does benefit to the closely contradict between first sealing member 30 and the valve body 1, improves its leakproofness, and fixed connection between first sealing member 30 and the regulation circle 502.
Moreover, in this embodiment, the valve cover 4 is formed with the conflict portion 41 by protruding corresponding to the first sealing member 30, and is used for conflicting the first sealing member 30, wherein, the valve cover 4 is fastened and fixed with the valve body 1 through the bolt, and the buffer area 60 is left between the valve cover 4 and the valve body 1, through fastening the bolt, the width of the buffer area 60 is reduced, the conflict portion 41 is made to extrude the first sealing member 30, through the linkage effect between the positioning member 50 and the valve seat 9, the second sealing member 40 is made to extrude and seal with the third sealing member 20, so that the valve body 1, the valve seat 9 have three-layer sealing effect, and can extrude three sealing members simultaneously, the structure is simpler, and the structure is more stable, the sealing performance is stronger, and the sealing members can be replaced simultaneously, and the disassembly is convenient.
In order to further improve the sealing performance between the valve cap 4 and the valve cap 4, a fourth sealing element 70 is arranged between the valve cap 4 and the valve rod 3, wherein the fourth sealing element 70 comprises a filling sealing layer 701 and a gland assembly 702, a filling sealing groove 70a is formed in the top of the valve cap 4, which is close to the valve rod 3, the filling sealing groove 70a is of an annular sealing structure, the filling sealing layer 701 is fixedly arranged in the filling sealing groove 70a, the gland assembly 702 and the valve cap 4 are fixed through bolts, the filling sealing layer 701 is fixedly arranged in the filling sealing groove 70a, the gland assembly 702 is pushed to extrude the filling sealing layer 701 through tightening the bolts, so that the filling sealing layer 701 is filled in the whole filling sealing groove 70a, and the sealing effect is better.
In this embodiment, the polytetrafluoroethylene filling sealing layer 701 is used as the filling sealing layer 701, which has excellent sealing performance and high lubrication non-stick performance, and can ensure the sliding of the valve rod 3 and the sealing performance between the valve rod 3 and the valve cover 4, so that the sealing performance between the valve rod 3 and the valve cover 4 is improved.
In this embodiment, in order to facilitate the accurate control of the lift of valve rod 3, consequently, in this embodiment, the fixed electric actuator 90 that is provided with in top that is located support 5 drives the lift of valve rod 3 through electric actuator 90 to the open and shut condition between accurate control valve core 2 and the opening and closing mouth 7 controls fluidic flow size, labour saving and time saving more.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (5)
1. The stable electric sleeve regulating valve is characterized by comprising a valve body, a valve core, a valve rod, a valve cover and a support, wherein the valve cover is fixedly arranged between the valve body and the support, the valve body is provided with a fluid passage, an opening and closing port is formed in the fluid passage, one end of the valve core is fixedly connected with the valve rod, the valve rod is in sliding fit with the valve body, the valve rod drives the valve core to be axially used for opening and closing the opening and closing port, a valve seat is sleeved outside the valve core, an electric executing part is fixedly arranged at one end of the valve rod, which is far away from the valve core, and is used for controlling the sliding of the valve rod,
wherein, the fixed seal assembly that is provided with between disk seat and the valve body, seal assembly includes first sealing member, second sealing member, third sealing member, be provided with the setting element between first sealing member and the second sealing member, the valve gap with the corresponding position protrusion of first sealing member is formed with conflict portion for contradict first sealing member, through the setting element will second sealing member and third sealing member extrusion seal.
2. The stable electric sleeve regulating valve as claimed in claim 1, wherein the valve seat is provided with a regulating groove at the first sealing member along the circumferential direction, and an adjusting ring is fixedly disposed at the top of the positioning member, and the adjusting ring is sleeved in the regulating groove and can slide along the height direction of the regulating groove.
3. The stable electrical sleeve regulating valve of claim 2, wherein a sealing groove is oppositely formed between the valve body and the valve seat, the first sealing element and the second sealing element are fixedly disposed in the sealing groove, and the top and the bottom of the positioning element respectively abut against the first sealing element and the second sealing element.
4. The stable electrical sleeve regulator valve of claim 1, wherein said valve body has a retaining groove formed along a circumferential direction of said opening and closing opening at said third sealing member, said third sealing member is fixedly disposed in said retaining groove, and a bottom portion of said valve seat is mounted in said retaining groove.
5. The stable electrical sleeve regulating valve of claim 1, wherein a fourth sealing element is disposed between the valve cover and the valve rod, the fourth sealing element comprises a filling sealing layer and a gland assembly, a filling sealing groove is disposed at a position, close to the valve rod, of the top of the valve cover, the filling sealing layer is fixedly disposed in the filling sealing groove, and the gland assembly and the valve cover are fixed by bolts to fixedly dispose the filling sealing layer in the filling sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121360184.4U CN216078354U (en) | 2021-06-18 | 2021-06-18 | Stable electric sleeve regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121360184.4U CN216078354U (en) | 2021-06-18 | 2021-06-18 | Stable electric sleeve regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216078354U true CN216078354U (en) | 2022-03-18 |
Family
ID=80663681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121360184.4U Active CN216078354U (en) | 2021-06-18 | 2021-06-18 | Stable electric sleeve regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216078354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098733A1 (en) * | 2022-11-08 | 2024-05-16 | 苏州纽威阀门股份有限公司 | Regulating valve |
-
2021
- 2021-06-18 CN CN202121360184.4U patent/CN216078354U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098733A1 (en) * | 2022-11-08 | 2024-05-16 | 苏州纽威阀门股份有限公司 | Regulating valve |
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