CN216242329U - Flushing-free regulating valve - Google Patents
Flushing-free regulating valve Download PDFInfo
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- CN216242329U CN216242329U CN202122841912.XU CN202122841912U CN216242329U CN 216242329 U CN216242329 U CN 216242329U CN 202122841912 U CN202122841912 U CN 202122841912U CN 216242329 U CN216242329 U CN 216242329U
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Abstract
The utility model discloses a flushing-free regulating valve which comprises a hand wheel, a pull rod and a valve body, wherein the top of the valve body is provided with the hand wheel, the middle part of the hand wheel is provided with a T-shaped threaded sleeve, the upper end of the outer side of the T-shaped threaded sleeve is provided with a hexagon nut A, the inner side of the hexagon nut A is provided with a first flat gasket, the lower end of the hand wheel is provided with a bearing seat, a bearing gland nut is arranged inside the bearing seat, one side of the bearing gland nut is provided with an inner hexagon flat end set screw, the utility model breaks through the design idea of the traditional flushing-free regulating valve, and the structure adopts a split type, namely a single valve core and a single valve core seat; the three seals are used for applying the traditional mechanical inner hole spline and the outer spline to the throttle design of the non-scouring regulating valve in a matching way, and the valve has the characteristics of simple structure, easiness in processing, low cost, applicability, high temperature and high pressure resistance, non-scouring, easiness in maintenance and the like.
Description
Technical Field
The utility model relates to the technical field of regulating valves, in particular to a flushing-free regulating valve.
Background
The regulating valve is also called a control valve, and in the field of industrial automation process control, the final control element for changing the process parameters of medium flow, pressure, temperature, liquid level and the like by power operation through receiving the control signal output by a regulating control unit. Generally consisting of an actuator and a valve. If the stroke characteristic is adopted, the regulating valve can be divided into a straight stroke and an angular stroke.
At present, the traditional regulating valve is simple in structure, and in the using process, the valve core assembly is easy to wear and tear, needs to be flushed and is difficult to maintain.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems that the traditional regulating valve in the prior art is simple in structure, the valve core assembly is easy to wear and is difficult to maintain due to the fact that the valve core assembly needs to be flushed in the using process, and the flushing-free regulating valve is provided.
In order to achieve the purpose, the utility model provides the following technical scheme: a non-flushing regulating valve comprises a hand wheel, a pull rod and a valve body, wherein the top of the valve body is provided with the hand wheel, the middle part of the hand wheel is provided with a T-shaped threaded sleeve, the upper end of the outer side of the T-shaped threaded sleeve is provided with a hexagon nut A, the inner side of the hexagon nut A is provided with a first flat gasket, the lower end of the hand wheel is provided with a bearing seat, a bearing gland nut is arranged inside the bearing seat, one side of the bearing gland nut is provided with an inner hexagon flat end set screw, the inner side of the bearing gland nut is provided with a thrust ball bearing, the outer side of the lower end of the bearing seat is provided with the pull rod, the middle part of the lower end of the bearing seat is provided with a connecting sleeve, the inner side of the connecting sleeve is provided with a valve rod, the top of the valve rod is provided with a first shaft elastic retainer ring, the upper end of the outer side of the valve rod is provided with a valve rod nut which is fixedly connected with the valve rod nut through an inner hexagon head screw, the lower end of the valve rod nut is provided with a nut gland, the bottom of the valve rod is provided with a valve core seat, the upper end of the valve core seat is provided with a valve core, and the upper end of the valve core is provided with a valve core pressure pad.
Preferably, the valve body is cylindrical in shape.
Preferably, the components of the valve core are of a split structure.
Preferably, the other side of the connecting sleeve is provided with a limiting screw rod, a hexagonal nut B is arranged on the outer side of one end of the limiting screw rod, a deep groove ball bearing is arranged on the outer side of the other end of the limiting screw rod, and an elastic retaining ring for a second shaft is arranged on one side of the deep groove ball bearing.
Preferably, the outer side of the lower end of the valve rod is provided with a sealing gasket, the upper end of the sealing gasket is provided with a sealing gland, and the top of the sealing gland is provided with a sealing gland screw rod.
Preferably, a sealing seat is arranged on one side of the lower end of the pull rod, a hexagonal nut C is arranged at the bottom of the sealing seat, and a second flat gasket is arranged between the sealing seat and the hexagonal nut C.
Preferably, a valve rod screw rod is arranged at the upper end of one side of the valve core pressure pad, a hexagon nut D is arranged at the top of the valve rod screw rod, and a spring washer is arranged between the valve rod screw rod and the hexagon nut D.
Preferably, the lower end of the valve core seat is provided with a valve body pressure pad.
Compared with the prior art, the utility model provides a flushing-free regulating valve which has the following beneficial effects:
1. the utility model breaks the design idea of the traditional non-scouring regulating valve, and adopts a split type structure, namely a single valve core and a single valve core seat; three seals, the traditional mechanical inner hole spline and the external spline are matched and applied to the throttling design of the non-scouring regulating valve, the fluid theory is fully applied, a medium flows down along the axial direction of the valve rod, the valve rod is free of scouring and has long service life, and the characteristics of simple structure, easy processing, low cost, applicability, high temperature and high pressure resistance, non-scouring, easy maintenance and the like of the valve are fully considered in the material use and structural design;
2. the utility model adopts the structural design of the flushing-free regulating valve, the inner hole spline and the outer spline of the traditional machine are matched and applied to the first throttling, namely the abrasion of the second staggered convex-concave throttling opening is reduced, the inner hole spline and the outer spline are matched to control the medium large flow, the good throttling function is realized, the small flow enters the staggered convex-concave cavity, the abrasion of the valve core assembly is reduced, and the design technology and the idea of the flushing-free regulating valve are worthy of popularization;
3. the utility model adopts the traditional mechanical inner hole spline and outer spline matching to be applied to the scouring-free regulating valve throttling design, the inner hole spline and outer spline matching can be inner hole rectangular spline and rectangular outer spline matching, and can also be inner hole rectangular spline and circular arc spline matching, and the medium can play a good throttling role, and the new technical design concept conforms to the fluid throttling theory and is worthy of popularization and application.
Drawings
FIG. 1 is a schematic structural view of a flush-free control valve according to the present invention;
FIG. 2 is a first schematic view of a regulator valve assembly according to the present invention;
FIG. 3 is a second schematic view of a regulator valve assembly according to the present invention;
fig. 4 is a sectional view of the valve core and the valve head according to the present invention.
Description of the reference numerals
1. A hand wheel; 2. a bearing seat; 3. a set screw is fastened at the flat end of the inner hexagon; 4. a bearing gland nut; 5. t-shaped thread sleeves; 6. a hexagonal nut A; 7. a first flat gasket; 8. a thrust ball bearing; 9. a pull rod; 10. connecting sleeves; 11. a circlip for the first shaft; 12. a valve stem nut; 13. a socket head cap screw; 14. a nut gland; 15. a valve stem; 16. a hexagonal nut B; 17. a deep groove ball bearing; 18. a circlip for the second shaft; 19. a limiting screw rod; 20. a seal gland screw rod; 21. a sealing gland; 22. a gasket; 23. a sealing seat; 24. a second flat washer; 25. a hexagonal nut C; 26. a valve rod screw rod; 27. a hexagonal nut D; 28. a spring washer; 29. a valve core pressure pad; 30. a valve core; 31. a valve core seat; 32. a valve body pressure pad; 33. a valve body.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; 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. 1-3, the present invention provides a technical solution: a non-flushing regulating valve comprises a hand wheel 1, a pull rod 9 and a valve body 33, wherein the top of the valve body 33 is provided with the hand wheel 1, the middle part of the hand wheel 1 is provided with a T-shaped threaded sleeve 5, the upper end of the outer side of the T-shaped threaded sleeve 5 is provided with a hexagon nut A6, the inner side of the hexagon nut A6 is provided with a first flat gasket 7, the lower end of the hand wheel 1 is provided with a bearing seat 2, the inside of the bearing seat 2 is provided with a bearing gland nut 4, one side of the bearing gland nut 4 is provided with an inner hexagon flat end set screw 3, the inner side of the bearing gland nut 4 is provided with a thrust ball bearing 8, the outer side of the lower end of the bearing seat 2 is provided with the pull rod 9, the middle part of the lower end of the bearing seat 2 is provided with a connecting sleeve 10, the inner side of the connecting sleeve 10 is provided with a valve rod 15, T-shaped threaded transmission is formed by the T-shaped threaded sleeve 5, the bearing seat 4 and the connecting sleeve 10, drives the valve rod 15 to move up and down, the top of the valve rod 15 is provided with a first shaft elastic retainer ring 11, the upper end of the outer side of the valve rod 15 is provided with a valve rod nut 12, the connecting sleeve 10 and the valve rod nut 12 are fixedly connected through an inner hexagonal socket head screw 13, the lower end of the valve rod nut 12 is provided with a nut gland 14, the bottom of the valve rod 15 is provided with a valve core seat 31, a staggered convex-concave cavity is formed by an inner hole groove of the valve core seat 31 and an outer diameter convex groove of the valve rod 15 to form three-level deceleration vortex of a medium, three-level throttling is performed, a circular linear cone sealing opening is formed by an inner hole step of the valve core seat 31 and the outer diameter of a T-shaped cone of the valve rod 15, the shape of the sealing opening is easy to machine, high smoothness can be guaranteed, the cost is low, the sealing performance is good, and the like, the upper end of the valve core seat 31 is provided with a valve core 30, the upper end of the valve core 30 is provided with a valve core pressure pad 29, an inner hole spline 8x5x x 23x phi 39 and an outer spline 8x5x x 36x phi 18 cavity are formed by the valve core 30 and the valve rod 15, throttling of the medium along the axial direction of the valve rod is free from scouring of the valve rod, and the service life is long.
In the utility model, preferably, the valve body 33 is a cylinder, the assembly of the valve core 30 is a split structure, the other side of the connecting sleeve 10 is provided with a limit screw rod 19, the outer side of one end of the limit screw rod 19 is provided with a hexagon nut B16, the outer side of the other end of the limit screw rod 19 is provided with a deep groove ball bearing 17, one side of the deep groove ball bearing 17 is provided with a second shaft elastic check ring 18, the outer side of the lower end of the valve rod 15 is provided with a sealing gasket 22, the upper end of the sealing gasket 22 is provided with a sealing gland 21, the top of the sealing gland 21 is provided with a sealing gland screw rod 20, one side of the lower end of the pull rod 9 is provided with a sealing seat 23, the bottom of the sealing seat 23 is provided with a hexagon nut C25, a second flat gasket 24 is arranged between the sealing seat 23 and the hexagon nut C25, the upper end of one side of the valve core pressure pad 29 is provided with a valve rod screw rod 26, the top of the valve rod screw rod 26 is provided with a hexagon nut D27, and a spring gasket 28 is arranged between the valve rod screw rod 26 and the hexagon nut D27, the lower end of the valve core seat 31 is provided with a valve body pressure pad 32.
The working principle and the using process of the utility model are as follows: when in use, high-pressure medium enters and exits from the high part, when the hand wheel 1 is opened, the valve rod 15 is driven to lift once through the mechanical transmission of the T-shaped threaded sleeve 5, the bearing seat 4, the connecting sleeve 10 and the like, the high-pressure medium enters four phi 10.5 convection holes at the upper part of the valve core 30, a throttling cavity is formed by the inner hole of the valve core 30 and the external spline 8x5x phi 36x phi 18 of the valve rod 15, a staggered convex-concave throttling cavity is formed by the groove of the inner hole of the valve core seat 31 and the external diameter convex groove of the valve rod 15, a cone circular linear sealing opening is formed by the inner hole of the valve core seat 31 and the external diameter T-shaped cone of the valve rod head 15, and finally, the inner cavity of the valve body 33 flows out from a lower outlet, when the hand wheel 1 is closed, the valve rod 15 is driven to move downwards through mechanical transmission of the T-shaped threaded sleeve 5, the bearing seat 4, the connecting sleeve 10 and the like until a conical circular linear sealing opening formed by the inner hole of the valve core seat 31 and the valve rod head outer diameter 15T-shaped cone is closed, and a high-pressure medium high-inlet low-outlet channel is completely sealed.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, many simple modifications can be made to the technical solution of the utility model, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the utility model, and all fall within the scope of the utility model.
Claims (8)
1. The utility model provides a exempt from to brush governing valve, includes hand wheel (1), pull rod (9) and valve body (33), its characterized in that: the improved valve is characterized in that a hand wheel (1) is arranged at the top of the valve body (33), a T-shaped threaded sleeve (5) is arranged in the middle of the hand wheel (1), a hexagon nut A (6) is arranged at the upper end of the outer side of the T-shaped threaded sleeve (5), a first flat gasket (7) is arranged on the inner side of the hexagon nut A (6), a bearing seat (2) is arranged at the lower end of the hand wheel (1), a bearing gland nut (4) is arranged inside the bearing seat (2), an inner hexagon flat end set screw (3) is arranged on one side of the bearing gland nut (4), a thrust ball bearing (8) is arranged on the inner side of the bearing gland nut (4), a pull rod (9) is arranged on the outer side of the lower end of the bearing seat (2), a connecting sleeve (10) is arranged in the middle of the lower end of the bearing seat (2), a valve rod (15) is arranged on the inner side of the connecting sleeve (10), an elastic check ring (11) for a first shaft is arranged at the top of the valve rod (15), the valve rod (15) is characterized in that a valve rod nut (12) is arranged at the upper end of the outer side of the valve rod (15), the connecting sleeve (10) is fixedly connected with the valve rod nut (12) through an inner hexagonal cylindrical head screw (13), a nut pressing cover (14) is arranged at the lower end of the valve rod nut (12), a valve core seat (31) is arranged at the bottom of the valve rod (15), a valve core (30) is arranged at the upper end of the valve core seat (31), and a valve core pressing pad (29) is arranged at the upper end of the valve core (30).
2. A flush-free conditioning valve according to claim 1, wherein the valve body (33) is cylindrical in shape.
3. A flush-free conditioning valve in accordance with claim 1, wherein the assembly of the cartridge (30) is a split-type structure.
4. The no-flush regulating valve as claimed in claim 1, wherein a limit screw rod (19) is arranged on the other side of the connecting sleeve (10), a hexagon nut B (16) is arranged on the outer side of one end of the limit screw rod (19), a deep groove ball bearing (17) is arranged on the outer side of the other end of the limit screw rod (19), and an elastic collar (18) for a second shaft is arranged on one side of the deep groove ball bearing (17).
5. A flush-free regulating valve according to claim 1, characterized in that a sealing gasket (22) is arranged on the outer side of the lower end of the valve rod (15), a sealing gland (21) is arranged on the upper end of the sealing gasket (22), and a sealing gland screw rod (20) is arranged on the top of the sealing gland (21).
6. A flush-free regulating valve according to claim 1, wherein a sealing seat (23) is arranged on one side of the lower end of the pull rod (9), a hexagonal nut C (25) is arranged at the bottom of the sealing seat (23), and a second flat gasket (24) is arranged between the sealing seat (23) and the hexagonal nut C (25).
7. The no-flush regulating valve of claim 1, wherein a valve stem screw (26) is arranged at the upper end of one side of the valve core pressure pad (29), a hexagonal nut D (27) is arranged at the top of the valve stem screw (26), and a spring washer (28) is arranged between the valve stem screw (26) and the hexagonal nut D (27).
8. A flush-free regulating valve according to claim 1, wherein the lower end of the valve core seat (31) is provided with a valve body pressure pad (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122841912.XU CN216242329U (en) | 2021-11-19 | 2021-11-19 | Flushing-free regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122841912.XU CN216242329U (en) | 2021-11-19 | 2021-11-19 | Flushing-free regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242329U true CN216242329U (en) | 2022-04-08 |
Family
ID=80947564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122841912.XU Active CN216242329U (en) | 2021-11-19 | 2021-11-19 | Flushing-free regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242329U (en) |
-
2021
- 2021-11-19 CN CN202122841912.XU patent/CN216242329U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230831 Address after: 710068 Room 312, Building 20, Fengchengba Road, Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee after: Shaanxi Chengchuang Future Industry Co.,Ltd. Address before: 721000 No. 72, Qingjiang East 4th Road, Weibin District, Baoji City, Shaanxi Province Patentee before: Shaanxi zero state intelligent control valve equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |