CN218118641U - Positioning type anti-abrasion wafer type butterfly valve - Google Patents
Positioning type anti-abrasion wafer type butterfly valve Download PDFInfo
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- CN218118641U CN218118641U CN202222742690.0U CN202222742690U CN218118641U CN 218118641 U CN218118641 U CN 218118641U CN 202222742690 U CN202222742690 U CN 202222742690U CN 218118641 U CN218118641 U CN 218118641U
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Abstract
The utility model discloses a locate mode abrasionproof decreases wafer-type butterfly valve, including the valve body, the inboard middle part of valve body is provided with the valve rod through the bearing activity, valve rod outside fixed surface is provided with the butterfly plate, valve body lower extreme is provided with the control handle, valve body surface one side is provided with protection machanism, protection machanism includes connecting pipe, cavity, closing plate, water inlet, gasbag, the fixed connecting pipe that is provided with in valve body surface one side, the fixed cavity that is provided with in connecting pipe upper end middle part, the fixed closing plate that is provided with of the inside lower extreme of cavity, the fixed water inlet that is provided with of closing plate lower extreme, the fixed gasbag that is provided with in water inlet upper end. The utility model discloses excellent in use effect has increased protection machanism to can effectively reduce the impact of water hammer to the butterfly plate, thereby can prevent that the valve rod from receiving to strike and leading to the skew, lead to follow-up the condition emergence that produces unnecessary wearing and tearing when the valve opens and shuts.
Description
Technical Field
The utility model relates to a butt clamp butterfly valve technical field specifically is a locate mode abrasionproof decreases butt clamp formula butterfly valve.
Background
The butterfly plate of wafer formula butterfly valve installs in the diameter direction of pipeline, and in the cylindrical passageway of butterfly valve body, the disc butterfly plate is rotatory around the axis, and rotation angle is between 0 to 90, can play flow control's effect, and when the butterfly plate rotated to 90, the valve reached maximum aperture. The double-clip butterfly valve has simple structure, small volume and light weight, and only consists of a few parts. And the valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, and meanwhile, the valve has good fluid control characteristics.
When the wafer type butterfly valve is used, the wafer type butterfly valve has the characteristic of rapid closing, so that the water hammer effect is easy to generate, and when the wafer type butterfly valve is impacted by a medium with high pressure and large impact force, the wafer type butterfly valve is easy to impact the butterfly plate, so that the mounting position of the butterfly plate in the medium channel of the valve body is deviated, and unnecessary abrasion is caused by collision friction between the mounting position of the butterfly plate and the inner side wall of the valve body.
According to the Chinese patent with the application number of 201720308434.7, arc-shaped baffles are symmetrically arranged on the inner wall of the valve body when the positioning type abrasion-proof wafer butterfly valve is used, so that the valve body and the valve plate are better in abrasion resistance, the water blocking performance is improved, but a structure capable of preventing impact and preventing the water hammer effect from damaging the valve rod is not designed, so that the wafer butterfly valve which can deal with the water hammer effect and prevent the butterfly plate from being abraded unnecessarily is lacked at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locate mode abrasionproof decreases wafer formula butterfly valve to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a locate mode abrasionproof decreases wafer-type butterfly valve, includes the valve body, the inboard middle part of valve body is provided with the valve rod through the bearing activity, valve rod outside fixed surface is provided with the butterfly plate, valve body lower extreme is provided with control handle, valve body surface one side is provided with protection machanism, protection machanism includes connecting pipe, cavity, closing plate, water inlet, gasbag, the fixed connecting pipe that is provided with in valve body surface one side, the fixed cavity that is provided with in connecting pipe upper end middle part, the fixed closing plate that is provided with of the inside lower extreme of cavity, the fixed water inlet that is provided with of closing plate lower extreme, the fixed gasbag that is provided with in water inlet upper end.
Preferably, the cavity is filled with high-pressure gas, so that the fluid cannot flow into the air bag when the fluid normally flows, and when the impact force of the fluid with the water hammer effect is generated and the fluid impacts towards the valve, the water inlet is equivalent to a notch formed in the surface of the valve, and the impacted fluid can impact into the air bag through the water inlet, so that a part of the fluid can be discharged, and the effect of protecting the butterfly plate and the valve rod is achieved; after the subsequent fluid continues to flow, the high-pressure gas in the cavity can extrude the outer side of the air bag to extrude the liquid in the cavity into the connecting pipe, so that the liquid leakage is avoided.
Preferably, one side of the surface of the cavity is fixedly provided with a one-way valve, and high-pressure gas can be conveniently injected into the cavity through the one-way valve, so that the pressure in the cavity can be changed as required, and the required liquid pressure entering the air bag can be conveniently changed.
Preferably, a pressure release valve is arranged at the upper end of the cavity, and excess air pressure in the air can be conveniently released and exhausted through the pressure release valve.
Preferably, the check valve is communicated with the cavity from the outside, the flow direction of the gas can be limited through the check valve, and the gas can be injected into the cavity only through the outside.
Preferably, fixed connection between gasbag upper end and the inside upper end of cavity, so can hang the gasbag and fix inside the cavity to can make things convenient for the gasbag to hang down, influence the inside high-pressure gas's of cavity extrusion effect.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the utility model generates the impact force of the water hammer effect fluid to impact towards the valve, the water inlet is equivalent to that a notch is arranged on the surface of the valve, and the impacted fluid can be flushed into the air bag through the water inlet, so that a part of the fluid can be discharged, and the effect of protecting the butterfly plate and the valve rod is achieved; after the subsequent fluid continues to flow, the high-pressure gas in the cavity can extrude the outer side of the air bag to extrude the liquid in the cavity into the connecting pipe, so that the liquid leakage is avoided.
2. The utility model discloses can conveniently inject into supplementary high-pressure gas to the cavity is inside through the check valve during the use to can change the inside pressure of cavity as required, thereby can conveniently change and enter into the inside required fluid pressure of gasbag, thereby the result of use that can install.
Drawings
Fig. 1 is a schematic view of the overall structure of a positioning type abrasion-proof wafer butterfly valve of the present invention;
fig. 2 is the utility model discloses a positioning type abrasionproof decreases double-layered formula butterfly valve cross-sectional view
Fig. 3 is the utility model discloses an inner structure view of locating type abrasionproof decreases wafer-like butterfly valve cavity.
In the figure: 1. a valve body; 2. a valve stem; 3. a butterfly plate; 4. a control handle; 5. a connecting pipe; 6. a cavity; 7. sealing plates; 8. a water inlet; 9. an air bag; 10. a one-way valve; 11. and (6) a pressure relief valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a locate mode abrasionproof decreases double-layered formula butterfly valve, includes valve body 1, 1 inboard middle part of valve body is provided with valve rod 2 through the bearing activity, 2 outside fixed surfaces of valve rod are provided with butterfly plate 3, 1 lower extreme of valve body is provided with control handle 4, 1 surface one side of valve body is provided with protection machanism, protection machanism includes connecting pipe 5, cavity 6, closing plate 7, water inlet 8, gasbag 9, 1 surface one side of valve body is fixed and is provided with connecting pipe 5, the fixed cavity 6 that is provided with in 5 upper ends middle parts of connecting pipe, the fixed closing plate 7 that is provided with of 6 inside lower extremes of cavity, the fixed water inlet 8 that is provided with of 7 lower extreme of closing plate, the fixed gasbag 9 that is provided with in 8 upper ends of water inlet.
The cavity 6 is filled with high-pressure gas, so that fluid can not flow into the air bag 9 when the fluid normally flows, and when the impact force of the fluid with water hammer effect is generated and the fluid impacts towards the valve direction, the water inlet 8 is equivalent to a notch formed in the surface of the valve, and the impacted fluid can impact into the air bag 9 through the water inlet 8, so that a part of the fluid can be discharged, and the effect of protecting the butterfly plate 3 and the valve rod 2 is achieved; after the subsequent fluid continues to flow, the high-pressure gas in the cavity 6 can extrude the outer side of the air bag 9 to extrude the liquid in the cavity into the connecting pipe 5, so that the liquid leakage is avoided;
one side of the surface of the cavity 6 is fixedly provided with a one-way valve 10, and supplementary high-pressure gas can be conveniently injected into the cavity 6 through the one-way valve 10, so that the pressure in the cavity 6 can be changed as required, and the required liquid pressure entering the air bag 9 can be conveniently changed;
a pressure release valve 11 is arranged at the upper end of the cavity 6, and redundant air pressure in the air can be conveniently released and exhausted through the pressure release valve 11;
the one-way valve 10 is communicated from the outside to the inside of the cavity 6, the flowing direction of the gas can be limited through the one-way valve 10, and the gas can be injected into the cavity 6 only through the outside;
fixed connection between 9 upper ends of gasbag and the inside upper end of cavity 6 can hang gasbag 9 and fix inside cavity 6 so that can make things convenient for gasbag 9 flagging, influence 6 inside high-pressure gas's of cavity extrusion effect.
The working principle is as follows: when the device is used, the device is firstly installed, attention needs to be paid to the fact that the connecting pipe 5 needs to be installed in the direction of a high-pressure end of fluid, then when the device is used, opening and closing of a flow channel can be controlled through rotation of the butterfly plate 3, when the butterfly plate 3 is closed, particularly when the butterfly plate is closed suddenly, the high-pressure and high-speed fluid is cut off suddenly, a water hammer effect can be generated inside a smooth pipeline due to inertia, when impact force of the water hammer effect fluid is generated to impact towards the direction of a valve, the water inlet 8 is equivalent to a notch formed in the surface of the valve, the impacted fluid can be flushed into the air bag 9 through the water inlet 8, and therefore a part of the fluid can be discharged, and the effect of protecting the butterfly plate 3 and the valve rod 2 is achieved; and follow-up fluid continues to flow the back, the inside high-pressure gas of cavity 6 can extrude the outside of gasbag 9 again with inside liquid extrusion inside connecting pipe 5 again, thereby can not produce the condition of leaking liquid, and can conveniently inject into supplementary high-pressure gas to cavity 6 inside through check valve 10 during the device use, thereby can change the inside pressure of cavity 6 as required, thereby can conveniently change and enter into the inside required liquid pressure of gasbag 9, thereby can install the result of use, it is exactly the utility model relates to a locate mode abrasionproof decreases the theory of operation of double-layered formula butterfly valve.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a locate mode abrasionproof decreases wafer formula butterfly valve, includes valve body (1), its characterized in that: the improved butterfly valve is characterized in that a valve rod (2) is movably arranged in the middle of the inner side of a valve body (1) through a bearing, a butterfly plate (3) is fixedly arranged on the surface of the outer side of the valve rod (2), a control handle (4) is arranged at the lower end of the valve body (1), a protection mechanism is arranged on one side of the surface of the valve body (1), the protection mechanism comprises a connecting pipe (5), a cavity (6), a sealing plate (7), a water inlet (8) and an air bag (9), the connecting pipe (5) is fixedly arranged on one side of the surface of the valve body (1), the cavity (6) is fixedly arranged in the middle of the upper end of the connecting pipe (5), the sealing plate (7) is fixedly arranged at the lower end of the inner portion of the cavity (6), the water inlet (8) is fixedly arranged at the lower end of the sealing plate (7), and the air bag (9) is fixedly arranged at the upper end of the water inlet (8).
2. The positioning type anti-abrasion wafer butterfly valve according to claim 1, wherein: and high-pressure gas is filled in the cavity (6).
3. The positioning type anti-abrasion wafer butterfly valve according to claim 1, wherein: one side of the surface of the cavity (6) is fixedly provided with a one-way valve (10).
4. The positioning type anti-abrasion wafer-type butterfly valve according to claim 1, characterized in that: and a pressure release valve (11) is arranged at the upper end of the cavity (6).
5. The positioning type anti-abrasion wafer butterfly valve according to claim 3, wherein: the one-way valve (10) is communicated with the cavity (6) from the outside.
6. The positioning type anti-abrasion wafer butterfly valve according to claim 1, wherein: the upper end of the air bag (9) is fixedly connected with the upper end in the cavity (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222742690.0U CN218118641U (en) | 2022-10-18 | 2022-10-18 | Positioning type anti-abrasion wafer type butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222742690.0U CN218118641U (en) | 2022-10-18 | 2022-10-18 | Positioning type anti-abrasion wafer type butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218118641U true CN218118641U (en) | 2022-12-23 |
Family
ID=84498186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222742690.0U Active CN218118641U (en) | 2022-10-18 | 2022-10-18 | Positioning type anti-abrasion wafer type butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218118641U (en) |
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2022
- 2022-10-18 CN CN202222742690.0U patent/CN218118641U/en active Active
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