CN212480136U - Pilot differential self-sealing micro-force driven high-pressure flushing valve - Google Patents
Pilot differential self-sealing micro-force driven high-pressure flushing valve Download PDFInfo
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- CN212480136U CN212480136U CN202020659982.6U CN202020659982U CN212480136U CN 212480136 U CN212480136 U CN 212480136U CN 202020659982 U CN202020659982 U CN 202020659982U CN 212480136 U CN212480136 U CN 212480136U
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Abstract
The utility model discloses a differential self sealss of guide's low pressure drive high pressure flushing valve of valve technical field, include: a valve body; a differential assembly mounted within the interior chamber of the valve body; the valve cover is arranged on the top of the valve body; the driving device is arranged on the top of the valve cover; the differential assembly includes: a valve housing; a big valve braid installed in the inner cavity of the valve housing; the valve seat is arranged at the bottom of the big valve braid and connected with the valve sleeve; the pilot operated small valve distinguishes, the one end that the pilot operated small valve distinguished is installed the inboard of big valve pigtail, the other end that the pilot operated small valve distinguished runs through the top of valve gap, the utility model discloses the practicality is strong, can just form sealedly under the effect of external force not to under the thrust of high pressure descaling water, can distinguish with minimum energy drive valve, realize opening and closing of valve.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a differential self sealss of guide's micro-force drive high pressure flushing valve.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, etc., chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, non-standard valves, etc., according to the material.
The water valve is an indispensable water industry product, is mainly applied to the fields of water supply and drainage engineering, industrial and domestic sewage treatment, hydraulic engineering and the like of cities, buildings and enterprises, and is mainly used for discharging liquid or controlling liquid level.
The existing water valve used in a high-pressure water descaling system of a steel mill can be sealed only by applying external force to the valve in the using process, and can be driven only by large power under the thrust of high-pressure descaling water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a differential self sealss of guide drives high pressure water flushing valve a little to the water valve that the high pressure water descaling system mountain of steel mill used that the current of proposing in solving above-mentioned background art need apply external force to the valve in the use and just can seal the valve, and under the thrust of high pressure descaling water, need great power just can carry out driven problem to the valve.
In order to achieve the above object, the utility model provides a following technical scheme: a pilot differential self-sealing micro-force actuated high pressure flush valve comprising:
a valve body;
a differential assembly mounted within the interior chamber of the valve body;
the valve cover is arranged on the top of the valve body;
the driving device is installed at the top of the valve cover.
Preferably, the differential assembly comprises:
a valve housing;
a big valve braid installed in the inner cavity of the valve housing;
the valve seat is arranged at the bottom of the big valve braid and connected with the valve sleeve;
the pilot small valve is arranged on the inner side of the big valve braid, the other end of the pilot small valve penetrates through the top of the valve cover, and the other end of the pilot small valve is connected with the driving device;
the gland is installed on the inner wall that the big valve of guide distinguishes, the gland with the big valve pigtail is connected.
Preferably, a first sealing groove is formed in the top of the outer wall of the big valve braid, and a first sealing ring is installed in the first sealing groove.
Preferably, a second sealing groove is formed in the outer wall of the valve seat, and a second sealing ring is installed in the second sealing groove.
Preferably, the valve cover includes:
a bonnet body;
the sealing sleeve is installed in the bottom groove of the valve cover body, and the bottom of the sealing sleeve is flush with the bottom of the valve cover body.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the practicality is strong, can just form sealedly under the effect that does not have the external force to except that high pressureUnder the thrust of the descaling water, the valve can be driven by the minimum energy (micro-force drive) to open and close the valve, the high-pressure descaling water enters the valve sleeve from the left side of the valve body to push the pilot small valve to move downwards to be contacted with the big valve braid sealing seat, and when the area of the sealing point of the pilot small valve is larger than the area S, the specific pressure q (actual specific pressure) is generated under the thrust of the high-pressure descaling water, wherein the specific pressure q is more than or equal to qMFWhen the specific pressure is needed, the sealing point of the pilot small valve is sealed without external force, which cannot be realized by the traditional water filling valve, and the specific pressure q (actual specific pressure) is generated under the thrust of the high-pressure descaling waterMFWhen the pressure needs to be compared, the driving device can drive the valve to distinguish (realize the flat pressure of pipelines at two ends of the valve and drive the big valve to distinguish and open the valve) by using the minimum energy (micro-force drive) only by overcoming the force (basic sealing force) formed by the specific pressure q (actual specific pressure) generated under the thrust of the descaling water and the friction force between the sealing ring and each part, so as to realize the opening and closing of the valve.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the differential assembly of the present invention;
fig. 3 is the schematic diagram of the valve cover structure of the present invention.
In the figure: 100 valve bodies, 200 differential assemblies, 210 valve sleeves, 220 big valve branches, 230 valve seats, 240 pilot small valve branches, 250 gland, 300 valve covers, 310 valve cover bodies, 320 sealing sleeves and 400 driving devices.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a differential self sealss of guide's low power drive high pressure flushing valve, the practicality is strong, can just form sealedly under the effect that does not have the external force to under the thrust of high pressure descaling water, can distinguish with minimum energy (low power drive) drive valve, realize opening and closing of valve, please refer to figure 1, include: a valve body 100, a differential assembly 200, a bonnet 300 and a drive 400;
referring again to fig. 1, the valve body 100;
referring to fig. 1-2, a differential assembly 200 is mounted in the interior cavity of the valve body 100, the differential assembly 200 comprising:
the valve sleeve 210 is installed at the bottom of the inner cavity of the valve body 100;
the big valve braid 220 is installed in an inner cavity of the valve sleeve 210, a first sealing groove is formed in the top of the outer wall of the big valve braid 220, and a first sealing ring is installed in the first sealing groove;
the valve seat 230 is installed at the bottom of the big valve braid 220, the valve seat 230 is connected with the valve sleeve 210, a second sealing groove is formed in the outer wall of the valve seat 230, and a second sealing ring is installed in the second sealing groove;
the pilot small valve strip 240 is arranged on the inner side of the big valve braid 220;
the gland 250 is arranged on the outer wall of the pilot small valve 240, and the gland 250 is connected with the big valve braid 220;
referring to fig. 1 to 3, a bonnet 300 is installed on the top of the valve body 100, the bonnet 300 including:
the bonnet body 310 is installed on the top of the valve body 100, and the bottom of the bonnet body 310 contacts with the top of the valve sleeve 210;
the sealing sleeve 320 is arranged in a groove at the bottom of the valve cover body 310, and the bottom of the sealing sleeve 320 is flush with the bottom of the valve cover body 310;
the driving device 400, the driving device 400 is installed on the top of the valve cover 300;
referring to fig. 1 to 3 again, one end of the small pilot valve strip 240 is installed at the top of the differential assembly 200, the other end of the small pilot valve strip 240 penetrates the top of the valve cap 300, the other end of the small pilot valve strip 240 is connected to the driving device 400, and the sealing sleeve 320 is sleeved on the outer wall of the small pilot valve strip 240, so that when the valve is used, high-pressure descaling water of a steel mill enters the valve sleeve 210 from the left side of the valve body 100, pushes the small pilot valve strip 240 to move downwards to contact with the sealing seat of the large valve strip 220, and when the area of the sealing point of the small pilot valve strip 240 is larger than the area S, the high-pressure descaling water enters the valve sleeve 210The generated specific pressure q (actual specific pressure) is more than or equal to q under the thrust ofMFWhen the specific pressure is needed, the sealing point of the pilot small valve 240 forms a seal without external force, which cannot be realized by the traditional water filling valve, and the specific pressure q (actual specific pressure) is generated under the thrust of the high-pressure descaling waterMFWhen the specific pressure is required, the driving device 400 can drive the valve with the minimum energy (micro-force driving) by overcoming the force (basic sealing force) formed by the specific pressure q (actual specific pressure) generated under the thrust of the descaling water and the friction force between the sealing ring and each component, thereby realizing the opening and closing of the valve.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. The utility model provides a differential self sealss of guide drive high pressure flushing valve that declines which characterized in that: the method comprises the following steps:
a valve body (100);
a differential assembly (200), said differential assembly (200) mounted to an interior cavity of said valve body (100), said differential assembly (200) comprising:
a valve housing (210);
a big valve braid (220), wherein the big valve braid (220) is arranged in the inner cavity of the valve sleeve (210);
a valve seat (230), the valve seat (230) being mounted to the bottom of the big valve braid (220), the valve seat (230) being connected to the valve housing (210);
a small pilot valve strip (240), the small pilot valve strip (240) being mounted inside the large valve braid (220);
a gland (250), wherein the gland (250) is installed on the outer wall of the pilot small valve (240), and the gland (250) is connected with the large valve braid (220);
a valve cover (300), wherein the valve cover (300) is installed on the top of the valve body (100);
a driving device (400), wherein the driving device (400) is installed on the top of the valve cover (300).
2. The pilot differential self-sealing micro-force driven high-pressure flush valve according to claim 1, wherein: a first sealing groove is formed in the top of the outer wall of the big valve braid (220), and a first sealing ring is installed in the first sealing groove.
3. The pilot differential self-sealing micro-force driven high-pressure flush valve according to claim 1, wherein: the outer wall of the valve seat (230) is provided with a second sealing groove, and a second sealing ring is installed in the second sealing groove.
4. The pilot differential self-sealing micro-force driven high-pressure flush valve according to claim 1, wherein: the valve cover (300) includes:
a bonnet body (310);
the sealing sleeve (320) is installed in a groove in the bottom of the valve cover body (310), and the bottom of the sealing sleeve (320) is flush with the bottom of the valve cover body (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659982.6U CN212480136U (en) | 2020-04-27 | 2020-04-27 | Pilot differential self-sealing micro-force driven high-pressure flushing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659982.6U CN212480136U (en) | 2020-04-27 | 2020-04-27 | Pilot differential self-sealing micro-force driven high-pressure flushing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212480136U true CN212480136U (en) | 2021-02-05 |
Family
ID=74453646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020659982.6U Active CN212480136U (en) | 2020-04-27 | 2020-04-27 | Pilot differential self-sealing micro-force driven high-pressure flushing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212480136U (en) |
-
2020
- 2020-04-27 CN CN202020659982.6U patent/CN212480136U/en active Active
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