CN212564411U - Ultrahigh-pressure manual flow regulating valve with balance valve rod opening and closing force control device - Google Patents
Ultrahigh-pressure manual flow regulating valve with balance valve rod opening and closing force control device Download PDFInfo
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- CN212564411U CN212564411U CN202021395179.2U CN202021395179U CN212564411U CN 212564411 U CN212564411 U CN 212564411U CN 202021395179 U CN202021395179 U CN 202021395179U CN 212564411 U CN212564411 U CN 212564411U
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Abstract
The utility model provides an ultrahigh pressure manual flow regulating valve with a balanced valve rod opening and closing force control device, which comprises a valve body, a valve seat arranged in the valve body, a valve rod with the top end arranged at the top of the valve seat and a valve cover arranged at the top of the valve body, wherein the valve rod passes through the valve cover and is connected with a hand wheel; the valve rod is provided with a valve rod sealing component below the valve cover at the top of the valve body; the valve body is provided with a water inlet cavity and a water outlet cavity; the valve rod is provided with a balance ring which slides in a sealing way with the valve body, and the balance ring and the valve rod sealing component isolate the inner space of the valve body behind the water outlet cavity into a balance valve rod opening and closing force control cavity; and a circulation channel is arranged in the top end of the valve rod, one end of the circulation channel is communicated with the water inlet cavity of the valve body, and the other end of the circulation channel is communicated with the opening and closing force control cavity of the balance valve rod. The utility model provides a pressure height in the valve, 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 light and handy, 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 accent stream valve of power controlling means's of superhigh pressure.
Background
In the prior art, in the process of opening and closing a valve, a valve rod of a common ultrahigh-pressure manual flow regulating valve is subjected to high pressure 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 manual operation is difficult. The internal valve rod thread and the valve cover thread are easy to damage, so that 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 accent flow valve of super high pressure of power controlling means for the valve is opened and close the operation and is lightly, nimble, and it is high to solve the valve internal pressure, and valve rod top force is big when the valve is 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 flow regulating valve with a balanced valve rod opening and closing force control device comprises a valve body, a valve seat arranged in the valve body, a valve rod with the top end arranged at the top of the valve seat and a valve cover arranged at the top of the valve body, wherein the valve rod penetrates through the valve cover and is connected with a hand wheel; the valve rod is provided with a valve rod sealing component below the valve cover at the top of the valve body; the valve body is provided with a water inlet cavity and a water outlet cavity, the valve rod is provided with a balance ring which slides in a sealing manner with the valve body, and the balance ring and the valve rod sealing assembly isolate the inner space of the valve body behind the water outlet cavity into a balance valve rod opening and closing force control cavity; and a circulation channel is arranged in the top end of the valve rod, one end of the circulation channel is communicated with the water inlet cavity of the valve body, and the other end of the circulation channel is communicated with the opening and closing force control cavity of the balance valve rod.
Further, the area of the ring surface of the balancing ring is equal to the sealing area of the valve seat.
Furthermore, the balancing ring is provided with a protruding part, the protruding part is correspondingly attached to the boss at the top end of the valve rod, and the annular surface area of the protruding part is equal to that of the boss.
Furthermore, a plurality of first O-shaped rings are arranged at the joint of the balance ring and the valve rod.
Furthermore, a plurality of second O-shaped rings are arranged at the joint of the balance ring and the valve body.
Further, the valve rod sealing assembly comprises a sealing stuffing box, sealing stuffing filled in the sealing stuffing box and a stuffing cover matched with the sealing stuffing box and used for compressing the sealing stuffing.
Furthermore, a plurality of O-shaped rings are arranged at the joint of the sealing stuffing box and the valve body.
Furthermore, the valve rod penetrates through the valve cover part to be provided with an indicator, an indicator outer sleeve is arranged outside the indicator, and the indicator outer sleeve is fixed on the valve cover.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a set up the compensating ring and circulate the passageway, make the medium of intake antrum pass in and out the balanced valve rod from the circulation passageway and open and close the power control chamber, adjust the pressure of compensating ring, utilize compensating ring face area to equal with valve rod and disk seat seal area simultaneously to solve the pressure height in the valve, 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, makes the valve open and close the operation light and handy, 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 balance ring;
7. sealing the stuffing box; 8. sealing and filling; 9. a packing gland; 10. a valve cover; 11. a flow-through channel;
12. a balance valve rod opening and closing force control cavity; 13. a hand wheel; 14. an indicator housing; 15. an indicator;
31. a boss; 61. a boss portion; 62. a first O-ring; 63. a second O-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.
As shown in fig. 1 and 2, the utility model relates to a structure of a manual flow regulating valve, which mainly comprises a valve body 1, a valve seat 2, a balance ring 6, a valve rod 3 with an internal circulation channel 11 on the top end and a valve rod sealing component. The valve seat 2 is arranged at the bottom of the valve body 1, the top end of the valve rod 3 is conical and is downwards arranged at the top of the valve seat 2, the valve cover 10 is arranged at the top of the valve body 1, and the valve rod 3 penetrates through the valve cover 10 and is connected with a hand wheel 13; a valve rod sealing component is arranged below the valve cover 10 at the top of the valve body 1 of the valve rod 3;
the valve rod sealing assembly comprises a sealing stuffing box 7 arranged below a valve cover 10, sealing stuffing 8 filled in the sealing stuffing box 7 and a stuffing cover 9 matched with the sealing stuffing box 7 and used for pressing the sealing stuffing 8, and 2O-shaped rings are arranged at the joint of the sealing stuffing box 7 and the valve body 1 and used for sealing.
As shown in fig. 2, the area of the annular surface of the balancing ring 6 is equal to the sealing area of the valve seat 2; the balance ring 6 is provided with a convex part 61, the convex part 61 is correspondingly attached to the boss 31 at the top end of the valve rod, and the annular area of the convex part 61 is equal to that of the boss 31. The balance ring 6 is provided with 2 first O-shaped rings 62 at the joint with the valve rod 3, and 2 second O-shaped rings 63 at the joint with the valve body 1.
As shown in figure 1, the valve body 1, the valve seat 2, the balance ring 6, the valve rod 3 with the internal circulation channel 11 at the top end and the valve rod sealing component divide the interior of the valve into an inlet cavity 4, an outlet cavity 5 and a balance valve rod opening and closing force control cavity 12. One end of the circulation channel 11 is communicated with the water inlet cavity 4, and the other end of the circulation channel is opened in the balance valve rod opening and closing force control cavity 12, so that a medium can enter and exit the balance valve rod opening and closing force control cavity 12 through the circulation channel 11, and the pressure of the balance ring 6 is adjusted.
The specific adjusting process is as follows: when the accent flow valve was opened, there was pressure differential in the both sides of compensating ring 6, the medium of intake antrum 4 passed through 3 inside circulation passageways 11 entering compensating valve rod opening and closing power control chamber 12 of valve rod, under the pressure promotion of medium, on the compensating ring 6 valve rod of closely laminating boss, because bellying 61 anchor ring area with 31 anchor ring areas of boss equal, 6 anchor ring areas of compensating ring with 2 sealing area of disk seat equal, along with the entering of medium, the pressure differential at compensating ring both ends reduces gradually, solves the valve interior pressure height, and valve rod top force is big when the valve was opened and close, the valve was opened and close the big problem of operating torque for the valve is opened and close the operation light and handy, nimble. When the flow regulating valve is closed, the water inlet cavity 4 is gradually closed, the pressure difference between two sides of the balance ring 6 enables the medium in the balance valve rod opening and closing force control cavity 12 to be discharged through the circulation channel 11 in the valve rod 3, and the pressure at two ends of the balance ring 6 is gradually balanced.
The utility model discloses a still include indicator 15 in the structure, indicator 15 sets up and passes valve gap 10 part at valve rod 3, and its outside is equipped with indicator overcoat 14, indicator overcoat 14 is fixed on the valve gap 10. Indicator 15 is used for instructing the utility model discloses the size of valve aperture.
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 (8)
1. An ultrahigh pressure manual flow regulating valve with a balanced valve rod opening and closing force control device comprises a valve body, a valve seat arranged in the valve body, a valve rod with the top end arranged at the top of the valve seat and a valve cover arranged at the top of the valve body, wherein the valve rod penetrates through the valve cover and is connected with a hand wheel; the valve rod is provided with a valve rod sealing component below the valve cover at the top of the valve body; the valve body is provided with a water inlet cavity and a water outlet cavity; the valve rod is provided with a balance ring which slides in a sealing way with the valve body, and the balance ring and the valve rod sealing component isolate the inner space of the valve body behind the water outlet cavity into a balance valve rod opening and closing force control cavity; and a circulation channel is arranged in the top end of the valve rod, one end of the circulation channel is communicated with the water inlet cavity of the valve body, and the other end of the circulation channel is communicated with the opening and closing force control cavity of the balance valve rod.
2. The ultrahigh pressure manual flow regulating valve with a balanced valve stem opening and closing force control device according to claim 1, wherein the area of the annular surface of the balancing ring is equal to the sealing area of the valve seat.
3. The ultrahigh-pressure manual flow regulating valve with the balance valve rod opening and closing force control device according to claim 1 or 2, wherein the balance ring is provided with a protruding part which is correspondingly attached to a boss at the top end of the valve rod, and the annular surface area of the protruding part is equal to that of the boss.
4. The ultrahigh-pressure manual flow regulating valve with the balance valve rod opening and closing force control device according to claim 1, wherein a plurality of first O-rings are arranged at the joint of the balance ring and the valve rod.
5. The ultrahigh-pressure manual flow regulating valve with the balance valve rod opening and closing force control device according to claim 1, wherein a plurality of second O-rings are arranged at the connection position of the balance ring and the valve body.
6. The ultrahigh-pressure manual flow regulating valve with the valve rod opening and closing force control device according to claim 1, wherein the valve rod sealing assembly comprises a sealing stuffing box, sealing stuffing filled in the sealing stuffing box and a stuffing cover matched with the sealing stuffing box and used for compressing the sealing stuffing.
7. The ultrahigh-pressure manual flow regulating valve with the valve rod opening and closing force control device according to claim 6, wherein a plurality of O-shaped rings are arranged at the joint of the sealing stuffing box and the valve body.
8. The ultrahigh pressure manual flow regulating valve with the valve rod opening and closing force control device according to claim 1, wherein the valve rod is provided with an indicator through a valve cover part, an indicator outer sleeve is arranged outside the indicator, and the indicator outer sleeve is fixed on the valve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395179.2U CN212564411U (en) | 2020-07-15 | 2020-07-15 | Ultrahigh-pressure manual flow regulating valve with balance valve rod opening and closing force control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395179.2U CN212564411U (en) | 2020-07-15 | 2020-07-15 | Ultrahigh-pressure manual flow regulating valve with balance valve rod opening and closing force control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212564411U true CN212564411U (en) | 2021-02-19 |
Family
ID=74621618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021395179.2U Active CN212564411U (en) | 2020-07-15 | 2020-07-15 | Ultrahigh-pressure manual flow regulating valve with balance valve rod opening and closing force control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212564411U (en) |
-
2020
- 2020-07-15 CN CN202021395179.2U patent/CN212564411U/en active Active
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