CN215410494U - Butterfly valve special for gas - Google Patents
Butterfly valve special for gas Download PDFInfo
- Publication number
- CN215410494U CN215410494U CN202121774624.0U CN202121774624U CN215410494U CN 215410494 U CN215410494 U CN 215410494U CN 202121774624 U CN202121774624 U CN 202121774624U CN 215410494 U CN215410494 U CN 215410494U
- Authority
- CN
- China
- Prior art keywords
- gas
- sealing ring
- pressure sensor
- butterfly plate
- valve
- 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
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model relates to a gas special butterfly valve, which comprises a valve body, a butterfly plate, a valve seat and a valve rod, and further comprises: the sealing ring is elastically arranged; the sealing ring groove is arranged on the outer side wall of the butterfly plate; a pressure sensor; the groove is formed in the bottom of the sealing ring groove; a gas detector; wherein, the sealing washer is established in the seal ring inslot, pressure sensor establishes in the recess and is connected with the inside wall of sealing washer, gas detection surveys the appearance and establishes on one side of keeping away from gas when the butterfly plate closes. The utility model has the beneficial effects that: the closing state of the butterfly plate is effectively detected, and leakage is prevented.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve special for gas.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and the butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
Chinese patent CN207161729U discloses a gas butterfly valve capable of pressure alarm, which can detect the gas pressure on the sealing surface side of the butterfly plate and give an alarm, but it cannot detect the position of the butterfly plate and it is difficult to confirm whether the butterfly plate rotates to the position during sealing.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a special butterfly valve for gas to solve the problems.
The technical scheme of the utility model is realized as follows: the utility model provides a special butterfly valve of gas, includes valve body, butterfly plate, disk seat and valve rod, still includes:
the sealing ring is elastically arranged;
the sealing ring groove is arranged on the outer side wall of the butterfly plate;
a pressure sensor;
the groove is formed in the bottom of the sealing ring groove;
a gas detector;
wherein, the sealing washer is established in the seal ring inslot, pressure sensor establishes in the recess and is connected with the inside wall of sealing washer, gas detection surveys the appearance and establishes on one side of keeping away from gas when the butterfly plate closes.
By adopting the technical scheme, when the butterfly plate is in a closed sealing state, the outer side wall of the sealing ring can be tightly pressed and attached to the valve seat, so that certain pressure can be generated on the pressure sensor below the inner side wall of the sealing ring, when the pressure value detected by the pressure sensor reaches a preset value, the butterfly plate is in a completely closed state at the moment, and when the pressure value does not reach the preset value after the butterfly plate is closed, the butterfly plate is not completely closed, so that the closed state of the butterfly plate is effectively detected, and leakage is prevented; the gas detector only works when the pressure sensor detects that the butterfly plate is completely closed, when the gas detector detects that the value of gas exceeds a preset value, leakage is indicated, a leakage alarm is timely sent out, and the leaked gas is effectively detected.
The utility model is further configured to: the inner side wall of the valve seat is obliquely arranged, and the outer side wall of the sealing ring is obliquely arranged corresponding to the inner side wall of the valve seat.
Through adopting above-mentioned technical scheme, make the laminating of sealing washer and disk seat be connected inseparabler more, sealed effect is better.
The utility model is further configured to: the detection end of the pressure sensor extends out of the groove to be in abutting connection with the inner side wall of the sealing ring.
Through adopting above-mentioned technical scheme, make the sealing washer receive the disk seat extrusion when, can effectually conduct pressure sensor with power on, make pressure sensor's detection more accurate.
The utility model is further configured to: the recess and pressure sensor all set up a plurality of, the recess is along the center pin of butterfly plate a plurality of settings of circumference on the tank bottom of seal ring groove.
Through adopting above-mentioned technical scheme, can effectual detection butterfly plate circumference lateral wall a plurality of positions's pressure numerical value, make its detection more accurate.
The utility model is further configured to: further comprising:
the alarm is arranged on the outer wall of the valve body;
and the pressure sensor and the gas detector are both electrically connected with the alarm.
Through adopting above-mentioned technical scheme, pressure sensor and gas detection appearance all send the police dispatch newspaper through the siren, in time remind the staff.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first structural sectional view of an embodiment of the present invention.
FIG. 2 is a sectional view of the structure of the second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the utility model discloses a gas-dedicated butterfly valve, which comprises a valve body 1, a butterfly plate 2, a valve seat 3 and a valve rod 4, and further comprises:
the sealing ring 5 is elastically arranged;
the sealing ring groove 6 is formed in the outer side wall of the butterfly plate 2;
a pressure sensor 7;
the groove 8 is formed in the bottom of the sealing ring groove 6;
a gas detector 9;
wherein, sealing washer 5 is established in sealed annular 6, pressure sensor 7 is established in recess 8 and is connected with the inside wall of sealing washer 5, gas detector 9 is established on the one side of keeping away from gas when butterfly plate 2 closes.
By adopting the technical scheme, when the butterfly plate is in a closed sealing state, the outer side wall of the sealing ring can be tightly pressed and attached to the valve seat, so that certain pressure can be generated on the pressure sensor below the inner side wall of the sealing ring, when the pressure value detected by the pressure sensor reaches a preset value, the butterfly plate is in a completely closed state at the moment, and when the pressure value does not reach the preset value after the butterfly plate is closed, the butterfly plate is not completely closed, so that the closed state of the butterfly plate is effectively detected, and leakage is prevented; the gas detector only works when the pressure sensor detects that the butterfly plate is completely closed, when the gas detector detects that the value of gas exceeds a preset value, leakage is indicated, a leakage alarm is timely sent out, and the leaked gas is effectively detected.
In the embodiment of the present invention, the inner side wall of the valve seat 3 is obliquely arranged, and the outer side wall of the sealing ring 5 is obliquely arranged corresponding to the inner side wall of the valve seat 3.
Through adopting above-mentioned technical scheme, make the laminating of sealing washer and disk seat be connected inseparabler more, sealed effect is better.
In the embodiment of the utility model, the detection end of the pressure sensor 7 extends out of the groove 8 and is in interference connection with the inner side wall of the sealing ring 5.
Through adopting above-mentioned technical scheme, make the sealing washer receive the disk seat extrusion when, can effectually conduct pressure sensor with power on, make pressure sensor's detection more accurate.
In the embodiment of the utility model, the grooves 8 and the pressure sensors 7 are arranged in plurality, and the grooves 8 are arranged in plurality along the central axis of the butterfly plate 2 on the bottom of the sealing ring groove 6 in the circumferential direction.
Through adopting above-mentioned technical scheme, can effectual detection butterfly plate circumference lateral wall a plurality of positions's pressure numerical value, make its detection more accurate.
In the embodiment of the present invention, the method further includes:
the alarm is arranged on the outer wall of the valve body 1;
wherein, pressure sensor 7 and gas detection appearance 9 all with siren electric connection.
Through adopting above-mentioned technical scheme, pressure sensor and gas detection appearance all send the police dispatch newspaper through the siren, in time remind the staff.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a special butterfly valve of gas, includes valve body (1), butterfly plate (2), disk seat (3) and valve rod (4), its characterized in that still includes:
the sealing ring (5), the said sealing ring (5) is set up elastically;
the sealing ring groove (6), the sealing ring groove (6) is arranged on the outer side wall of the butterfly plate (2);
a pressure sensor (7);
the groove (8), the groove (8) is arranged on the groove bottom of the sealing ring groove (6);
a gas detector (9);
wherein, sealing washer (5) are established in sealed annular (6), pressure sensor (7) are established in recess (8) and are connected with the inside wall of sealing washer (5), gas detection appearance (9) are established and are kept away from on one side of gas when butterfly plate (2) are closed.
2. A butterfly valve for gas applications, according to claim 1, characterized in that the inner side wall of said seat (3) is inclined, and the outer side wall of said seal (5) is inclined in correspondence with the inner side wall of said seat (3).
3. The butterfly valve for gas applications according to claim 1, wherein the pressure sensor (7) has a sensing end protruding from the groove (8) and abutting against the inner wall of the sealing ring (5).
4. A butterfly valve for gas applications, according to claim 1, characterized in that said recess (8) and said pressure sensor (7) are arranged in plurality, said recess (8) being arranged in plurality circumferentially on the bottom of said sealing ring groove (6) along the central axis of said butterfly plate (2).
5. The butterfly valve for gas applications as claimed in claim 1, further comprising:
the alarm is arranged on the outer wall of the valve body (1);
the pressure sensor (7) and the gas detector (9) are electrically connected with the alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121774624.0U CN215410494U (en) | 2021-07-31 | 2021-07-31 | Butterfly valve special for gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121774624.0U CN215410494U (en) | 2021-07-31 | 2021-07-31 | Butterfly valve special for gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410494U true CN215410494U (en) | 2022-01-04 |
Family
ID=79655341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121774624.0U Active CN215410494U (en) | 2021-07-31 | 2021-07-31 | Butterfly valve special for gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410494U (en) |
-
2021
- 2021-07-31 CN CN202121774624.0U patent/CN215410494U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108426036A (en) | A kind of adjustable apex combustion seal of sealed pressure | |
| CN208793777U (en) | A kind of valve being able to achieve detection gas leakage | |
| CN215410494U (en) | Butterfly valve special for gas | |
| CN206429674U (en) | A kind of gas pipeline butterfly valve | |
| CN108980398B (en) | Double-sealing ball valve seat with compact structure | |
| CN207893242U (en) | A kind of interior leakage on-Line Monitor Device for valve | |
| CN202928755U (en) | Device for testing seepage of non-return valve | |
| CN205078800U (en) | Butterfly valve | |
| CN210135248U (en) | Better butterfly valve of leakproofness | |
| CN204420142U (en) | The corrosion-resistant all-liner butterfly valve of the anti-negative pressure of intelligent monitoring | |
| CN207246443U (en) | A kind of bidirectional sealed butterfly valve | |
| CN212899795U (en) | Pipeline is with preventing valve of leakage | |
| CN113586742A (en) | Valve with good sealing performance | |
| CN205388164U (en) | Unsteady ball valve of sealed all -welded of spring | |
| CN110701375A (en) | Butterfly valve capable of monitoring internal temperature and gas leakage | |
| CN217234481U (en) | Integral double-blocking double-row ball discharging valve | |
| CN210218699U (en) | Novel electronic corrosion-resistant governing valve | |
| CN219084161U (en) | Anti-bulge device for electromagnetic flowmeter | |
| CN213929479U (en) | Hard seal butterfly valve structure | |
| CN212318804U (en) | Butt clamp type fluorine lining butterfly valve | |
| CN220248956U (en) | Butterfly valve with good sealing effect | |
| CN216200627U (en) | Adjusting butterfly valve | |
| CN104121378A (en) | Manual adjustment stop valve | |
| CN212107153U (en) | Valve device for gas pipe | |
| CN211875127U (en) | Pipe network valve with detect function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |