CN215172661U - Gas safety cut-off valve capable of being flexibly installed - Google Patents
Gas safety cut-off valve capable of being flexibly installed Download PDFInfo
- Publication number
- CN215172661U CN215172661U CN202121379737.0U CN202121379737U CN215172661U CN 215172661 U CN215172661 U CN 215172661U CN 202121379737 U CN202121379737 U CN 202121379737U CN 215172661 U CN215172661 U CN 215172661U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- port
- main valve
- gas safety
- 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
- Safety Valves (AREA)
Abstract
The utility model relates to a flexibly-mounted gas safety shut-off valve, which comprises a main valve body and a shut-off valve which is arranged opposite to a valve port in the main valve body in a detachable and sealed way; the trip valve includes trip valve body and connecting seat, the inferior valve position of trip valve body is located the position that the cutting pull rod stretches out and is equipped with the assembly mouth, the connecting seat is kept away from the one end of the main valve body is equipped with the axle journal, the axle journal with assembly mouth rotatable coupling rotates the connection position and seals through O type sealing washer, the axle journal is located the rear of sealing washer is equipped with the ring channel, with the ring channel is relative be equipped with a plurality of holding screws down on the casing, the cutting pull rod runs through the connecting seat with locate the internal cutting valve pad of main valve is connected. The utility model discloses an angle modulation between trip valve body and the main valve body, the installation flexibility is high, greatly reduced the installation degree of difficulty of gas safety trip valve, improved the installation effectiveness.
Description
Technical Field
The utility model relates to a pipe network safety corollary equipment is carried to the gas, especially relates to a gas safety trip valve that can install in a flexible way.
Background
The gas trip valve is a novel safety matching device of gas pipeline engineering, and is mainly applied to the following occasions:
1. is connected with a combustible gas leakage monitoring instrument; when the instrument detects that the combustible gas leaks, the main gas supply valve is automatically and quickly closed, the supply of the fuel gas is cut off, and the occurrence of malignant accidents is timely prevented.
2. The device is connected with a limit temperature (or pressure) safety controller of the thermal equipment; when the temperature or the pressure of a detection point in the device exceeds a set limit value, the air supply valve is automatically and quickly closed, and the supply of fuel is stopped;
3. is connected with a central fire-fighting alarm system of a high-rise building; when fire occurs in the building, the gas supply in the building is automatically cut off, and the gas explosion is prevented.
However, the installation mode of the main valve body and the cut-off valve of the existing gas safety cut-off valve is a fixed installation structure, the cut-off valve and the main valve body cannot adjust the angle, the cut-off valve is difficult to adapt to the installation environment, and the installation difficulty is high and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides a gas safety trip valve that can install in a flexible way can adjust the relative angle of trip valve and the main valve body according to the installation environment, and the installation flexibility is good, and strong adaptability has reduced installation intensity.
The utility model provides a technical scheme that its technical problem adopted is:
the gas safety shut-off valve comprises a main valve body and a shut-off valve which is opposite to a valve port in the main valve body and can be detachably and hermetically arranged; the trip valve includes trip valve body and connecting seat, the inferior valve position of trip valve body is located the position that the cutting pull rod stretches out and is equipped with the assembly mouth, the connecting seat is kept away from the one end of the main valve body is equipped with the axle journal, the axle journal with assembly mouth rotatable coupling rotates the connection position and seals through O type sealing washer, the axle journal is located the rear of sealing washer is equipped with the ring channel, with the ring channel is relative be equipped with a plurality of holding screws down on the casing, the cutting pull rod runs through the connecting seat with locate the internal cutting valve pad of main valve is connected.
The utility model provides a gas safety trip valve's that can install in a flexible way a preferred embodiment, the one end of the main valve body is established to the import, and the other end is established to the export, be equipped with the valve port between import and the export, the bottom of valve port is equipped with first installing port, the trip valve the connecting seat with first installing port flange seal connects.
The utility model provides a gas safety trip valve's that can install in a flexible way preferred embodiment, the main valve position in the top of valve port is equipped with the second installing port, the second installing port passes through the closure plate shutoff.
The utility model provides a but a gas safety trip valve's of nimble installation preferred embodiment, the gas pressure regulator is installed to the second installing port, the gas pressure regulator rotationally install in the second installing port.
The utility model provides a but a gas safety trip valve's that nimble was installed in preferred embodiment, the export of the main valve body is equipped with and connects out the outer pressure pipe of main valve, the lower casing of trip valve body with the other end that the assembly mouth is relative is equipped with the pressure pipe interface that communicates with lower casing, be equipped with the pressure pipe joint on the pressure pipe interface.
The utility model provides a but a gas safety trip valve's that nimble was installed preferred embodiment, the pressure pipe interface is equipped with 2, and the symmetry is located the both sides of casing down, and one of them the pressure pipe import is passed through the end cap shutoff, another pressure pipe joint is installed to the pressure pipe interface.
Compared with the prior art, the utility model provides a gas safety trip valve that can install in a flexible way's beneficial effect is: the utility model discloses install the trip valve body in the main valve body through the connecting seat, adopt rotatable coupling's mode to assemble trip valve body and connecting seat and utilize holding screw to fix, can unscrew holding screw and realize the angle modulation between trip valve body and the main valve body, the installation flexibility is high, greatly reduced the installation degree of difficulty of gas safety trip valve, improved the installation effectiveness.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced 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 without inventive work, wherein:
FIG. 1 is a sectional view of a flexibly-mounted gas safety shut-off valve provided by the utility model;
FIG. 2 is a cross-sectional view of the shutoff valve of the flexibly mountable gas safety shutoff valve provided in FIG. 1;
FIG. 3 is a cross-sectional view A-A provided in FIG. 1 or FIG. 2;
FIG. 4 is a side view of the shut off valve body provided in FIG. 3.
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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 in specific cases to those skilled in the art.
Example one
The present embodiment provides a gas safety shut-off valve capable of being flexibly installed, as shown in fig. 1, which includes a main valve body 1 and a shut-off valve detachably and sealingly installed opposite to a valve port 100 in the main valve body 1.
Preferably, the shut-off valve of this embodiment includes a shut-off valve body 2 and a connecting seat 3, the shut-off valve body 2 is connected to the main valve body 1 through the connecting seat 3, specifically, one end of the main valve body 1 of this embodiment is set as an inlet 101, the other end is set as an outlet 102, a valve port 100 is disposed between the inlet 101 and the outlet 102, a first mounting port 103 is disposed at the bottom of the valve port 100, and the connecting seat 3 of the shut-off valve is flange-tightly connected to the first mounting port 103.
Preferably, as shown in fig. 2, the lower casing of the trip valve body 2 of this embodiment is provided with an assembly port 201 at the position where the trip valve H extends, the connecting seat 3 is far away from the one end of the main valve body 1 is provided with a journal 301, the journal 301 is connected with the assembly port 201 in a rotatable manner, the rotary connection part is sealed by an O-shaped sealing ring 4, the journal 301 is located the rear of the sealing ring 4 is provided with an annular groove 302, and the annular groove 302 is relative the lower casing is provided with a plurality of set screws 5, the trip valve H runs through the connecting seat 3 is connected with a trip valve pad G in the main valve body 1. The utility model discloses install the trip valve body in the main valve body through the connecting seat, adopt rotatable coupling's mode to assemble trip valve body and connecting seat and utilize holding screw to fix, can unscrew holding screw and realize the angle modulation between trip valve body and the main valve body, the installation flexibility is high, greatly reduced the installation degree of difficulty of gas safety trip valve, improved the installation effectiveness.
Preferably, the outlet 102 of the main valve body 1 of the present embodiment is provided with a pressure pipe 6 connected to the outside of the main valve body 1, the lower housing of the cut-off valve body 2 is provided with a pressure pipe interface 202 at the other end opposite to the assembling port 201, the pressure pipe interface 202 is provided with a pressure pipe joint 7.
The working principle of the gas safety shut-off valve of the embodiment is as follows:
when the outlet pressure P2 enters the lower cavity of a cutting diaphragm D of the cutting valve body 2 through the pressure guide pipe 6 and is in counter balance with a high-pressure cutting spring M1, when the outlet pressure P2 is smaller than the set value of the cutting spring M1, the cutting diaphragm D is in a static state, a lever L1 and a control plate L2 are in a vertical state, a control wheel L3 is in good contact with the control plate L2, a cutting pull rod H is fixed on a steel ball seat by a control sleeve B through a steel ball S3, a cutting valve pad G is pulled up, and the valve port 100 is in an open state at the moment;
when the outlet pressure P2 is higher than the set value of the cut-off spring M1, the cut-off membrane D moves upward, and the lever L1 also moves upward, so that the control wheel L3 on the lever L1 is dislocated with the convex part of the control plate L2, the control plate L2 releases the steel ball S3, and the cut-off pull rod H is released, so that the cut-off valve pad G closes the valve port 100 under the action of the cut-off spring M4.
The shut-off valve body of this embodiment is directly applied mechanically for prior art, does not do this and does not describe here any more.
Example two
Based on the first embodiment, the main valve body 1 of the present embodiment is provided with a second installation port 104 at the top of the valve port 100, and the second installation port 104 is blocked by a blocking plate 8, as shown in fig. 1, the shut-off valve of the present embodiment is selectively installed at the first installation port 103 or the second installation port 104, and can be selectively installed according to an installation position or an installation manner.
EXAMPLE III
Different from the second embodiment, a gas pressure regulator (not shown in the figure) is installed at the second installation port 104 of the present embodiment, the gas pressure regulator is rotatably installed at the second installation port, and the rotatable installation structure may refer to the structure of the first embodiment, or adopt other rotatable structures, which will not be described in detail herein. The connecting to of pressure pipe interface the involucra cavity of resorption of gas pressure regulator, this embodiment with gas pressure regulating, cut off design and integrative structure, realize the safety protection of gas pipeline pressure regulating and cutting off, compare in trip valve and air-vent valve installation alone, reduced installation cost.
Example four
Based on any of the above embodiments, in this embodiment, 2 pressure pipe interfaces 202 are symmetrically arranged on two sides of the lower housing, one pressure pipe inlet 202 is plugged by a plug 9, and a pressure pipe joint 7 is installed on the other pressure pipe interface 202, so that the pressure pipe interfaces can be properly selected according to installation, and the flexibility of installation and adjustment is high.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a gas safety trip valve that can install in a flexible way which characterized in that: the valve comprises a main valve body and a stop valve which is opposite to a valve port in the main valve body and can be detachably and hermetically arranged;
the trip valve includes trip valve body and connecting seat, the inferior valve position of trip valve body is located the position that the cutting pull rod stretches out and is equipped with the assembly mouth, the connecting seat is kept away from the one end of the main valve body is equipped with the axle journal, the axle journal with assembly mouth rotatable coupling rotates the connection position and seals through O type sealing washer, the axle journal is located the rear of sealing washer is equipped with the ring channel, with the ring channel is relative be equipped with a plurality of holding screws down on the casing, the cutting pull rod runs through the connecting seat with locate the internal cutting valve pad of main valve is connected.
2. The flexibly mountable gas safety shut-off valve according to claim 1, characterized in that: one end of the main valve body is provided with an inlet, the other end of the main valve body is provided with an outlet, a valve port is arranged between the inlet and the outlet, the bottom of the valve port is provided with a first mounting port, and the connecting seat of the stop valve is in flange sealing connection with the first mounting port.
3. The flexibly mountable gas safety shut-off valve according to claim 2, characterized in that: the main valve body is provided with a second mounting port at the top of the valve port, and the second mounting port is blocked by a blocking plate.
4. The flexibly mountable gas safety shut-off valve of claim 3, wherein: the gas pressure regulator is installed to the second installing port, the gas pressure regulator rotationally install in the second installing port.
5. A gas safety shut-off valve capable of being flexibly installed according to any one of claims 2 to 4, which is characterized in that: the outlet of the main valve body is provided with a pressure guide pipe connected out of the main valve body, the other end of the lower shell of the cut-off valve body, which is opposite to the assembling port, is provided with a pressure guide pipe connector communicated with the lower shell, and the pressure guide pipe connector is provided with a pressure guide pipe joint.
6. The flexibly mountable gas safety shut-off valve of claim 5, wherein: the number of the pressure guide pipe joints is 2, the pressure guide pipe joints are symmetrically arranged on two sides of the lower shell, one pressure guide pipe inlet is plugged through a plug, and the other pressure guide pipe joint is provided with a pressure guide pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121379737.0U CN215172661U (en) | 2021-06-21 | 2021-06-21 | Gas safety cut-off valve capable of being flexibly installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121379737.0U CN215172661U (en) | 2021-06-21 | 2021-06-21 | Gas safety cut-off valve capable of being flexibly installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172661U true CN215172661U (en) | 2021-12-14 |
Family
ID=79385400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121379737.0U Active CN215172661U (en) | 2021-06-21 | 2021-06-21 | Gas safety cut-off valve capable of being flexibly installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172661U (en) |
-
2021
- 2021-06-21 CN CN202121379737.0U patent/CN215172661U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220266182A1 (en) | Gas filtering rubber pipe and pressure regulating valve bank | |
| CN215172661U (en) | Gas safety cut-off valve capable of being flexibly installed | |
| CN110686112B (en) | Pipeline gate valve convenient to dismouting | |
| CN212804513U (en) | Butterfly valve with spring lock type structure | |
| CN117307735A (en) | Emergency cut-off valve for high-purity hydrogen chloride | |
| CN211059398U (en) | Stop discharge valve convenient for regulating and controlling functions | |
| CN215172660U (en) | Novel gas safety cut-off valve | |
| CN214789147U (en) | Special tank encryption valve for liquefied gas station | |
| CN116557597A (en) | Pressure release ventilation assembly for combined positive and negative pressure installation | |
| CN114060726A (en) | Gas pressure regulating system | |
| CN208859044U (en) | A kind of pressure-adjusting type solenoid valve with corrosion resistance | |
| CN208331395U (en) | A kind of repid cut-off valve device | |
| CN212360833U (en) | Groove gate valve easy to assemble and adjust | |
| CN212584260U (en) | Container valve for pressure remote transmission of gas fire extinguishing system and gas fire extinguishing system | |
| CN113294545B (en) | Pipe joint plug door, assembling method of pipe joint plug door and railway vehicle | |
| CN217732009U (en) | Self-operated material dredging valve driven by thin film | |
| CN221075384U (en) | Pressure relief device and electric water heater thereof | |
| CN207093866U (en) | A kind of pipe gas self-closing valve | |
| CN220792122U (en) | Large-flow angle valve | |
| CN219367081U (en) | Gas pipe joint with good tightness | |
| CN213088867U (en) | Sealing valve seal protection device | |
| CN220321065U (en) | Pressure pipeline detects protection device | |
| CN218094300U (en) | Combined single-chip valve head | |
| CN213018169U (en) | Pneumatic type is from pressure release rotary actuator | |
| CN220151983U (en) | Exhaust valve joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |