CN212564410U - Ultrahigh pressure manual stop valve with balance valve rod opening and closing force control device - Google Patents
Ultrahigh pressure manual stop valve with balance valve rod opening and closing force control device Download PDFInfo
- Publication number
- CN212564410U CN212564410U CN202021394853.5U CN202021394853U CN212564410U CN 212564410 U CN212564410 U CN 212564410U CN 202021394853 U CN202021394853 U CN 202021394853U CN 212564410 U CN212564410 U CN 212564410U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- balance
- closing force
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model provides an ultrahigh pressure manual stop valve with a balance valve rod opening and closing force control device, wherein a balance sleeve is arranged between a valve clack and a valve body; the balance sleeve, the valve clack and the valve rod assembly divide the interior of the valve body into a balance valve rod opening and closing force pressure cavity and a balance valve rod opening and closing force balance cavity; the balance valve rod opening and closing force balance cavity is provided with a balance valve rod opening and closing force balance channel which leads to the outside of the valve body; and a medium pressure source introducing channel is arranged in the valve clack, one end of the medium pressure source introducing channel is communicated with the water inlet cavity, and the other end of the medium pressure source introducing channel is communicated with the opening and closing force pressure cavity of the balance valve rod. The utility model discloses a set up balanced valve rod opening and closing force pressure chamber and balanced valve rod opening and closing force balance chamber, balanced valve rod opening and closing force balance passageway, the valve rod receives the high pressure apical force balance of medium in the valve when opening and close the valve, when solving the valve internal pressure height, the valve rod apical force is big when the valve is opened and close, and the valve is opened and close the big problem of operating torque for the valve is opened and close the operation lightly, nimble.
Description
Technical Field
The utility model belongs to the valve field especially relates to a take balanced valve rod to open and close manual stop valve of super high pressure of power controlling means.
Background
In the prior art, in the process of opening and closing a valve, a valve rod of a common ultrahigh-pressure manual stop valve is under the high-pressure action of a medium in the valve, the thrust of the valve rod reaches above tonnage, the opening and closing operation torque of the valve is large, and the manual operation is difficult. The internal valve rod threads and the valve rod nut threads are easy to damage, and the service cycle of the valve is short.
Disclosure of Invention
An object of the utility model is to provide a take balanced valve rod to open and close manual stop valve of super high pressure of power controlling means for the valve is opened and close the operation light and handy, nimble, and when solving the pressure height in the stop valve, the valve rod apical force was big when the valve was opened and close, and the valve is opened and close the big problem of operating torque.
In order to achieve the above object, the technical solution of the present invention is that:
an ultrahigh pressure manual stop valve with a balance valve rod opening and closing force control device comprises a valve body provided with a water inlet cavity and a water outlet cavity, a valve seat arranged between the water inlet cavity and the water outlet cavity in the valve body, a valve clack arranged corresponding to the valve seat, and a valve rod assembly connected with the valve clack; a balance sleeve is arranged between the valve clack and the valve body; the balance sleeve is provided with a limit ring, and the valve clack is provided with convex rings which are staggered and correspond to the limit ring up and down; the balance sleeve, the valve clack and the valve rod assembly divide the interior of the valve body into a balance valve rod opening and closing force pressure cavity and a balance valve rod opening and closing force balance cavity, the balance valve rod opening and closing force pressure cavity is arranged between the valve clack and the valve rod assembly, and the balance valve rod opening and closing force balance cavity is arranged between the convex ring of the valve clack and the limiting ring; the balance valve rod opening and closing force balance cavity is provided with a balance valve rod opening and closing force balance channel which leads to the outside of the valve body; and a medium pressure source introducing channel is arranged in the valve clack, one end of the medium pressure source introducing channel is communicated with the water inlet cavity, and the other end of the medium pressure source introducing channel is communicated with the opening and closing force pressure cavity of the balance valve rod.
Further, the valve seat is provided with a valve seat pressing sleeve, and the valve seat pressing sleeve is located between the valve seat and the balance sleeve and used for pressing the valve seat.
Further, the valve rod assembly comprises a valve rod, a valve cover, a valve rod nut, a thrust bearing, a bearing gland, a positioning screw, a handle and a valve rod sheath; the valve cover is fixed on the top of the valve body, one end of the valve rod is connected with the valve clack, and the other end of the valve rod penetrates out of the valve cover; the part of the valve rod penetrating out of the valve cover is fixedly connected with the handle through a valve rod nut, a thrust bearing is arranged on the valve rod nut, a bearing gland is arranged on the thrust bearing, and the bearing gland is connected with the valve rod nut in a positioning mode through a positioning screw.
Furthermore, a valve rod sheath is arranged on the valve rod which penetrates out of the handle part.
Furthermore, the valve cover is provided with a guide hole, the valve clack is provided with a guide post, and the guide hole corresponds to the guide post.
Furthermore, the valve clack is provided with a step-shaped valve rod cavity, and a valve rod of the valve rod assembly is fastened in the valve rod cavity through a valve rod gland.
Further, the balance valve rod opening and closing force balance channel comprises a hole-shaped channel and an annular channel, the control-shaped channel is connected with the balance valve rod opening and closing force balance cavity, and the annular channel is connected with the hole-shaped channel.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a set up balanced valve rod opening and closing force pressure chamber and balanced valve rod opening and closing force balance chamber, balanced valve rod opening and closing force balance passageway, the valve rod receives the high pressure apical force balance of medium in the valve when opening and close the valve, when solving the valve internal pressure height, the valve rod apical force is big when the valve is opened and close, and the valve is opened and close the big problem of operating torque for the valve is opened and close the operation lightly, nimble.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a partially enlarged view of part a of the embodiment of the present invention.
Wherein:
1. a valve body; 2. a valve seat; 3. a valve stem; 4. a water inlet cavity; 5. a water outlet cavity; 6. a valve flap; 7. pressing the valve seat;
8. a balance sleeve; 9. a valve rod gland; 10. a guide post; 11. a valve cover; 12. a set screw; 13. a bearing gland;
14. a thrust bearing; 15. a valve stem sheath; 16. a valve stem nut; 17. a handle;
18. a pressure chamber for balancing the opening and closing force of the valve rod; 19. the balance valve rod is provided with an opening and closing force balance cavity;
20. the balance valve rod is used for balancing the opening and closing force balance channel; 21. a medium pressure source introduction passage; 22. a porous channel;
23. an annular channel; 24. a guide hole; 25. a convex ring; 26. a limit ring.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model discloses the manual stop valve to superhigh pressure (42Mpa) has designed balanced valve rod and has opened and close power controlling means, as shown in fig. 1, 2, the utility model discloses mainly be by valve body 1, balanced cover 8, be equipped with the valve clack 6 and the stop valve structure that the valve rod subassembly of medium pressure source introduction passageway 21 constitutes.
In the stop valve structure of the utility model, a valve body 1 is provided with a water inlet cavity 4 and a water outlet cavity 5, a valve seat 2 is arranged between the water inlet cavity 4 and the water outlet cavity 5 in the valve body 1, a valve clack 6 is arranged corresponding to the valve seat, and a valve rod component connected with the valve clack 6 is also arranged;
the valve rod assembly comprises a valve rod 3, a valve cover 11, a valve rod nut 16, a thrust bearing 14, a bearing gland 13, a positioning screw 12, a handle 17 and a valve rod sheath 15; the valve cover 11 is fixed on the top of the valve body 1, one end of the valve rod 3 is connected with the valve clack 6, and the other end of the valve rod penetrates through the valve cover 11; the part of the valve rod 3 penetrating out of the valve cover 11 is fixedly connected with a handle 17 through a valve rod nut 16, and the part of the valve rod 3 penetrating out of the handle 17 is also provided with a valve rod sheath 15. The valve rod nut 16 is provided with a thrust bearing 14, the thrust bearing 14 is provided with a bearing gland 13, and the bearing gland 13 is connected with the valve rod nut 16 in a positioning mode through a positioning screw 12.
The valve seat 2 is provided with a valve seat pressing sleeve 7, and the valve seat pressing sleeve 7 is used for pressing the valve seat 2. A balance sleeve 8 is further arranged above the valve seat pressing sleeve 7 and between the valve clack and the valve body, a limit ring 26 is arranged at the lower part of the balance sleeve 8, the limit ring 26 is tightly attached to the valve clack 6, and a convex ring 25 is arranged at the position, corresponding to the balance sleeve 8 above the limit ring 26, of the valve clack 6; the convex ring 25 is tightly attached to the balance sleeve 8; o-shaped rings are arranged between the limiting ring 26 and the valve clack 6 and between the convex ring 25 and the balance sleeve 8.
The utility model provides a valve clack 6 is equipped with the valve rod chamber of echelonment, valve rod 3 is in the valve rod intracavity, and the minimum bottom of area in echelonment valve rod chamber is connected at the top of valve rod 3, and at the one deck again in echelonment valve rod chamber, valve rod 3 is equipped with valve rod gland 9, fastens through valve rod gland 9.
The balance sleeve 8, the valve clack 6, the valve rod 3 and the valve cover 11 divide the interior of the valve body into a balance valve rod opening and closing force pressure cavity 18 and a balance valve rod opening and closing force balance cavity 19, the balance valve rod opening and closing force pressure cavity 18 is arranged between the valve clack 6 and the valve cover 11, and the balance valve rod opening and closing force balance cavity 19 is arranged between a convex ring 25 of the valve clack 6 and a limiting ring 26 of the balance sleeve 8; the balance valve rod opening and closing force balance cavity 19 is provided with a plurality of hole-shaped channels 22, all the hole-shaped channels 22 are connected to an annular channel 23 on the valve body 1, and the hole-shaped channels 22 and the annular channel 23 jointly form a balance valve rod opening and closing force balance channel 20 which leads to the outside of the valve body 1;
a medium pressure source introducing channel 21 is arranged in the valve clack 6, and one end of the medium pressure source introducing channel 21 is communicated with the water inlet cavity 4 or a channel between the water inlet cavity 4 and the water outlet cavity 5; the other end of the medium pressure source introduction passage 21 communicates with the balanced valve stem opening/closing force pressure chamber 18.
The utility model discloses be equipped with guiding hole 24 at valve gap 11, valve clack 6 is equipped with guide post 10, guiding hole 24 with guide post 10 corresponds, plays the guide effect for valve clack 6's removal.
The utility model discloses the during operation, promptly the stop valve when opening and close, because valve clack 6 is equipped with the medium pressure source and introduces passageway 21, introduce valve clack 6 upper end with the high-pressure medium of stop valve intake chamber 4, get into balanced valve rod power pressure chamber 19 of opening and closing, utilize the different characteristics of each ladder cross sectional area in the echelonment valve rod chamber of valve clack 6, minimum layer ladder area is subtracted to maximum layer ladder area, equal to valve rod 3 promptly and bear the cross sectional area of the high pressure thrust of high-pressure medium in the valve, the balanced chamber of rethread balanced valve rod power 20 and lead to the balanced valve rod power balance passageway 21 outside the valve, the pressure differential that the area difference brought between valve clack upper portion and the lower part has been eliminated, medium high pressure top force balance falls in the valve body 1 that valve rod 3 received when finally. The problems that when the pressure in the valve is high, the valve rod jacking force is large when the valve is opened and closed, and the opening and closing operation torque of the valve is large are solved, so that the opening and closing operation of the valve is light and flexible.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An ultrahigh pressure manual stop valve with a balance valve rod opening and closing force control device comprises a valve body provided with a water inlet cavity and a water outlet cavity, a valve seat arranged between the water inlet cavity and the water outlet cavity in the valve body, a valve clack arranged corresponding to the valve seat, and a valve rod assembly connected with the valve clack; the valve is characterized in that a balance sleeve is arranged between the valve clack and the valve body; the balance sleeve is provided with a limit ring, and the valve clack is provided with convex rings which are staggered and correspond to the limit ring up and down; the balance sleeve, the valve clack and the valve rod assembly divide the interior of the valve body into a balance valve rod opening and closing force pressure cavity and a balance valve rod opening and closing force balance cavity, the balance valve rod opening and closing force pressure cavity is arranged between the valve clack and the valve rod assembly, and the balance valve rod opening and closing force balance cavity is arranged between the convex ring of the valve clack and the limiting ring; the balance valve rod opening and closing force balance cavity is provided with a balance valve rod opening and closing force balance channel which leads to the outside of the valve body; and a medium pressure source introducing channel is arranged in the valve clack, one end of the medium pressure source introducing channel is communicated with the water inlet cavity, and the other end of the medium pressure source introducing channel is communicated with the opening and closing force pressure cavity of the balance valve rod.
2. The ultrahigh pressure manual stop valve with the balance valve rod opening and closing force control device according to claim 1, characterized in that the valve seat is provided with a valve seat pressing sleeve, and the valve seat pressing sleeve is positioned between the valve seat and the balance sleeve and used for pressing the valve seat.
3. The ultrahigh pressure manual stop valve with the balanced valve rod opening and closing force control device according to claim 1, wherein the valve rod assembly comprises a valve rod, a valve cover, a valve rod nut, a thrust bearing, a bearing gland, a positioning screw, a handle and a valve rod sheath; the valve cover is fixed on the top of the valve body, one end of the valve rod is connected with the valve clack, and the other end of the valve rod penetrates out of the valve cover; the part of the valve rod penetrating out of the valve cover is fixedly connected with the handle through a valve rod nut, a thrust bearing is arranged on the valve rod nut, a bearing gland is arranged on the thrust bearing, and the bearing gland is connected with the valve rod nut in a positioning mode through a positioning screw.
4. The ultrahigh pressure manual stop valve with the balanced valve rod opening and closing force control device according to claim 3, characterized in that a valve rod sheath is arranged on the valve rod penetrating out of the handle part.
5. The manual stop valve of claim 3, wherein the valve cover has a guiding hole, and the valve flap has a guiding post, and the guiding hole corresponds to the guiding post.
6. The ultrahigh pressure manual shutoff valve with balanced valve stem opening and closing force control device of claim 1 wherein the valve clack is provided with a stepped valve stem cavity, and the valve stem of the valve stem assembly is fastened in the valve stem cavity by a valve stem gland.
7. The ultrahigh pressure manual shutoff valve with balanced valve stem opening and closing force control device according to claim 1, wherein the balanced valve stem opening and closing force balancing passage comprises two parts, namely a hole-shaped passage and an annular passage, the hole-shaped passage is connected with the balanced valve stem opening and closing force balancing cavity, and the annular passage is connected with the hole-shaped passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394853.5U CN212564410U (en) | 2020-07-15 | 2020-07-15 | Ultrahigh pressure manual stop valve with balance valve rod opening and closing force control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394853.5U CN212564410U (en) | 2020-07-15 | 2020-07-15 | Ultrahigh pressure manual stop valve with balance valve rod opening and closing force control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212564410U true CN212564410U (en) | 2021-02-19 |
Family
ID=74621648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021394853.5U Active CN212564410U (en) | 2020-07-15 | 2020-07-15 | Ultrahigh pressure manual stop valve with balance valve rod opening and closing force control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212564410U (en) |
-
2020
- 2020-07-15 CN CN202021394853.5U patent/CN212564410U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212564410U (en) | Ultrahigh pressure manual stop valve with balance valve rod opening and closing force control device | |
| CN210770472U (en) | High-sealing pressure safety valve | |
| CN207848519U (en) | Piloted reducer | |
| CN213245359U (en) | Combined valve with lengthened neck for pipeline | |
| CN216715298U (en) | Flow pressure regulation control distribution valve | |
| CN200999893Y (en) | Pressure holding valve | |
| CN204062045U (en) | A kind of carbon dioxide reduction valve | |
| CN101555953B (en) | Solenoid valve for burning stove | |
| CN212564411U (en) | Ultrahigh-pressure manual flow regulating valve with balance valve rod opening and closing force control device | |
| CN107917079B (en) | A kind of screw air compressor intake valve | |
| CN210088095U (en) | Large-caliber multistage pilot operated safety valve | |
| CN208457280U (en) | High-performance spring Fall lift safety valve | |
| CN206972481U (en) | A kind of compressor intake valve | |
| CN219549694U (en) | High-performance pilot operated safety valve | |
| CN211649074U (en) | Single-seat regulating valve | |
| CN219549699U (en) | Back pressure prevention double-sealing spring type safety valve | |
| CN211398726U (en) | Pressure difference pilot valve | |
| CN208331429U (en) | A kind of pressure-regulating valve | |
| CN213018901U (en) | Pressure regulating timer for liquefied gas steel cylinder | |
| CN215059580U (en) | Pilot-operated high-pressure regulating valve | |
| CN211288875U (en) | Adjustable pressure reducing valve | |
| CN217270345U (en) | 3.2MW steam turbine admission structure | |
| CN217355714U (en) | Adjustable back pressure flow regulating valve | |
| CN211398586U (en) | Adjustable main valve | |
| CN219866284U (en) | Leak-proof regulating valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |