CN114458824B - Gas shut-off valve with smell recognition function - Google Patents
Gas shut-off valve with smell recognition function Download PDFInfo
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- CN114458824B CN114458824B CN202210143021.3A CN202210143021A CN114458824B CN 114458824 B CN114458824 B CN 114458824B CN 202210143021 A CN202210143021 A CN 202210143021A CN 114458824 B CN114458824 B CN 114458824B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Safety Valves (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a gas shut-off valve with an odor identification function, which comprises a valve body, wherein first connecting pipes are arranged at the left side and the right side of the valve body, annular flanges are arranged at the outer end positions of the first connecting pipes, a control machine body is arranged at the upper end position of the valve body, an identification machine body is arranged at the side surface position of the control machine body, a first connecting ring body and a second connecting ring body are arranged at the position below the identification machine body on the control machine body, and bottom supporting heads are arranged at the bottom positions of the first connecting ring body and the second connecting ring body. The invention relates to a gas shut-off valve with an odor identification function, which belongs to the field of valves, and is convenient for pumping the gas of accessories to an identification machine body for rapid detection through the structures such as an exhaust fan, and the like.
Description
Technical Field
The invention relates to the field of shut-off valves, in particular to a gas shut-off valve with an odor identification function.
Background
With the progress of urban and intelligent, pipeline transport plays an important role in this process, and although research shows that pipeline transport is a safer transport mode, it does not mean that this mode is risk-free, so ensuring the integrity and reliability of pipeline infrastructure has become a critical requirement. In gas pipeline transportation, the main danger is leakage, and the leakage can generate great safety problems no matter how much, so a practical method is needed to accurately locate the leakage point and cut off the valve at the first time so as to reduce the safety risk caused by leakage and reduce the adverse effect possibly caused by leakage to the greatest extent.
Disclosure of Invention
The invention mainly aims to provide a gas shut-off valve with an odor identification function, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the gas shut-off valve with the odor identification function comprises a valve body, wherein first connecting pipes are arranged at the left side and the right side of the valve body, annular flanges are arranged at the outer end positions of the first connecting pipes, a control machine body is arranged at the upper end position of the valve body, an identification machine body is arranged at the side surface position of the control machine body, a first connecting ring body and a second connecting ring body are arranged at the lower position of the control machine body, a bottom supporting head is arranged at the bottom positions of the first connecting ring body and the second connecting ring body, a bottom mounting head is arranged at the bottom end position of the bottom supporting head, side surface storage bodies are arranged at the side surface positions of the first connecting ring body and the second connecting ring body, side surface storage holes are formed in the side surface storage bodies, a first movable rod is arranged in the side surface storage holes of the side surface storage bodies, and a first rotating rod is arranged at the upper end position of the first movable rod, the two ends of the first rotating rod are provided with first rotating pipes, the first rotating pipes are provided with first supporting rods, the first supporting rods are provided with side mounting plates, the side mounting plates are provided with exhaust fans, the annular flanges are internally provided with arc-shaped mounting holes, the first connecting pipes are provided with second mounting rings at the side positions of the annular flanges, the second mounting rings are provided with side connecting plates, the side connecting plates are provided with first mounting screws, the outer end positions of the side connecting plates are provided with outer end mounting bodies, the outer end mounting bodies are internally provided with outer end mounting holes, the outer end mounting holes are internally provided with outer end movable rods, the outer end movable rods are provided with bolt fixing plates, the outer end movable rods are provided with first springs, the first springs are positioned at the side positions of the side connecting plates, one end of the outer end movable rod is provided with a second stop block, and the first spring is positioned between the side connecting plate and the second stop block.
Preferably, the two ends of the first connecting ring body are provided with T-shaped heads, the two ends of the second connecting ring body are provided with T-shaped clamping grooves, and the first connecting ring body is movably mounted through the T-shaped heads and the T-shaped clamping grooves of the second connecting ring body.
Preferably, the inside position of first connecting pipe is provided with first backup pad, all be provided with two first mounting holes in the first backup pad, first connector ring body, second connector ring body are all through the bottom installation head and the first mounting hole movable mounting of first backup pad of bottom sprag head below.
Preferably, the side surface accommodating bodies are provided with two screw holes, the two screw holes are communicated with the two side surface accommodating holes on the side surface accommodating bodies, and the screw holes of the side surface accommodating bodies are internally provided with first bolts.
Preferably, the first rotating tube is positioned at two sides of the first rotating rod and at the outer side of the first movable rod, the two ends of the first rotating rod are provided with first stop blocks, the first stop blocks are positioned at the outer side of the first rotating tube, the first rotating tube is provided with screw holes, and the screw holes of the first rotating tube are internally provided with second bolts.
Preferably, the number of the first supporting rods at the bottom of the side mounting plate is two, and the side mounting plate is fixedly mounted with the first rotating tube through welding.
Preferably, the number of the first mounting screws is equal to the number of the arc-shaped mounting holes, the first mounting screws are fixedly mounted with the side connecting plates through welding, and the first mounting screws are movably mounted in the arc-shaped mounting holes of the annular flange.
Preferably, the outer movable rods are located at the outer side of the annular flange, the number of the outer movable rods is the same as that of the arc-shaped mounting holes and the first mounting screws, and the bolt fixing plates are located at the outer side of the annular flange.
Preferably, the bolt fixing plate is provided with an outer end movable hole, and the bolt fixing plate is movably installed with the first installation screw rod through the outer end movable hole.
Compared with the prior art, the invention has the following beneficial effects:
through the structures such as the exhaust fan, the first connecting ring body and the second connecting ring body can be movably arranged through the T-shaped head and the T-shaped clamping groove, the first movable rod can be movably pulled, the first rotating pipe is movably rotated, so that the position of the exhaust fan is adjusted, the gas of an accessory can be conveniently and rapidly pumped to the identification machine body, the quick detection of the identification machine body is facilitated, the diffusion speed of the gas of the accessory can be accelerated through the structure, the concentration of leaked gas can be conveniently and uniformly mixed, and false alarm is prevented;
through the structures such as the first installation screw rod, the outer flange can be conveniently and quickly sleeved on the first installation screw rod during installation, so that the outer flange can be conveniently and quickly positioned, the holding time of a user is reduced, and the labor is saved and the convenience is realized;
through the bolt fixed plate and other structures that set up, after the installation is accomplished, install bolt fixed plate to fixation nut's rear side position, block nut structure, avoid the bolt to produce not hard up for mounting structure is more fixed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a gas shut-off valve with odor identification function according to the present invention;
fig. 2 is a schematic structural view of a first support plate of the gas shutoff valve with odor recognition function according to the present invention;
FIG. 3 is a schematic structural view of a first connecting ring body and a second connecting ring body of the gas shut-off valve with odor identification function according to the present invention;
FIG. 4 is a schematic view showing the structure of a first movable rod of the gas shutoff valve with odor identification function according to the present invention;
fig. 5 is a schematic structural view of a second mounting ring of the gas shut-off valve with the odor identification function of the present invention.
In the figure: 1. a valve body; 2. a first connection pipe; 3. a control body; 4. identifying a machine body; 5. a first connection ring body; 6. a second connecting ring body; 7. an annular flange; 8. an arc-shaped mounting hole; 9. a first support plate; 10. a first mounting hole; 11. a T-head; 12. a T-shaped clamping groove; 13. a bottom support head; 14. a bottom mounting head; 15. a side surface storage body; 16. a side receiving hole; 17. a first bolt; 18. a first movable lever; 19. a first rotating lever; 20. a first stopper; 21. a first rotating tube; 22. a second bolt; 23. a first support bar; 24. a side mounting plate; 25. an exhaust fan; 26. a second mounting ring; 27. a side connection plate; 28. a first mounting screw; 29. an outer end mounting body; 30. an outer end mounting hole; 31. an outer movable rod; 32. a bolt fixing plate; 33. an outer end movable hole; 34. a first spring; 35. and a second stop block.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 5, the gas shut-off valve with odor recognition function comprises a valve body 1, first connecting pipes 2 are arranged at the left side and the right side of the valve body 1, annular flanges 7 are arranged at the outer end positions of the first connecting pipes 2, a control machine body 3 is arranged at the upper end position of the valve body 1, a recognition machine body 4 is arranged at the side surface position of the control machine body 3, a first connecting ring body 5 and a second connecting ring body 6 are arranged on the control machine body 3 at the position below the recognition machine body 4, a bottom supporting head 13 is arranged at the bottom positions of the first connecting ring body 5 and the second connecting ring body 6, a bottom mounting head 14 is arranged at the bottom end position of the bottom supporting head 13, a side surface accommodating body 15 is arranged at the side surface positions of the first connecting ring body 5 and the second connecting ring body 6, a side surface accommodating hole 16 is arranged in the side surface accommodating body 15, a first movable rod 18 is arranged in the side surface accommodating hole 16 of the side surface accommodating body 15, the upper end position of the first movable rod 18 is provided with a first rotary rod 19, the two ends of the first rotary rod 19 are provided with a first rotary tube 21, the first rotary tube 21 is provided with a first supporting rod 23, the first supporting rod 23 is provided with a side mounting plate 24, the side mounting plate 24 is provided with an exhaust fan 25, the annular flange 7 is internally provided with an arc mounting hole 8, the first connecting tube 2 is provided with a second mounting ring 26 at the side position of the annular flange 7, the second mounting ring 26 is provided with a side connecting plate 27, the side connecting plate 27 is provided with a first mounting screw 28, the outer end position of the side connecting plate 27 is provided with an outer end mounting body 29, the outer end mounting body 29 is internally provided with an outer end mounting hole 30, the outer end mounting hole 30 is internally provided with an outer end movable rod 31, the outer end movable rod 31 is provided with a bolt fixing plate 32, the outer end movable rod 31 is provided with a first spring 34, the first spring 34 is located at a side position of the side connecting plate 27, one end of the outer end movable rod 31 is provided with a second stopper 35, and the first spring 34 is located at a position between the side connecting plate 27 and the second stopper 35.
In the invention, the first connecting ring body 5 and the second connecting ring body 6 can be conveniently and quickly assembled and disassembled, the T-shaped heads 11 are arranged at the two ends of the first connecting ring body 5, the T-shaped clamping grooves 12 are arranged at the two ends of the second connecting ring body 6, and the first connecting ring body 5 is movably assembled through the T-shaped heads 11 and the T-shaped clamping grooves 12 of the second connecting ring body 6.
In the invention, in order to support the first connecting ring body 5 and the second connecting ring body 6 from the side surface conveniently, so as to be convenient for fixedly installing the first connecting ring body 5 and the second connecting ring body 6, the inner side position of the first connecting pipe 2 is provided with a first supporting plate 9, the first supporting plate 9 is provided with two first installing holes 10, and the first connecting ring body 5 and the second connecting ring body 6 are movably installed with the first installing holes 10 of the first supporting plate 9 through a bottom installing head 14 below a bottom supporting head 13.
In the invention, in order to facilitate the movement of the first movable rod 18 to be pulled outwards and then fix the first movable rod 18, two screw holes are respectively arranged on the side surface accommodating body 15, the two screw holes are mutually communicated with the two side surface accommodating holes 16 on the side surface accommodating body 15, and a first bolt 17 is arranged in the screw hole of the side surface accommodating body 15.
In the present invention, in order to facilitate the adjustment of the angle of the side mounting plate 24 at the upper position, the extracted wind of the exhaust fan 25 can contact with the recognition body 4, the first rotating tube 21 is positioned at both sides of the first rotating rod 19 and at the outer side of the first movable rod 18, the first stopper 20 is arranged at both ends of the first rotating rod 19, the first stopper 20 is positioned at the outer side of the first rotating tube 21, the first rotating tube 21 is provided with a screw hole, and the screw hole of the first rotating tube 21 is internally provided with the second bolt 22.
In the present invention, in order to support the side mounting plate 24 conveniently, the number of the first support rods 23 at the bottom position of the side mounting plate 24 is two, and is fixedly mounted with the first rotation tube 21 by welding.
In the invention, in order to facilitate positioning of the external flange, the number of the first mounting screws 28 is equal to that of the arc-shaped mounting holes 8, the first mounting screws 28 are fixedly mounted with the side connecting plates 27 through welding, and the first mounting screws 28 are movably mounted in the arc-shaped mounting holes 8 of the annular flange 7.
In the present invention, in order to facilitate the fixation of the nut from the outer position, the outer movable rods 31 are located at the outer position of the annular flange 7, and the number of the outer movable rods 31 is the same as the number of the arc-shaped mounting holes 8 and the first mounting screws 28, and the bolt fixing plates 32 are also located at the outer position of the annular flange 7.
In addition, the bolt-fixing plate 32 is provided with an outer-end movable hole 33, and the bolt-fixing plate 32 is movably mounted with the first mounting screw 28 through the outer-end movable hole 33 in order to facilitate mounting of the bolt-fixing plate 32 onto the first mounting screw 28.
The invention relates to a gas shut-off valve with odor identification function, wherein an odor sensor, a communication device, a buzzer, a GPS positioning device and a linkage device are arranged in an identification machine body 4, the odor sensor identifies leaked gas, the sensor can transmit signals to cloud service through communication means such as 4G/5G in the communication device, the cloud server judges, identifies, compares and analyzes odor information after receiving the signals, such as the actual concentration of the gas and the leaked gas, compares the leakage concentration with the set concentration, executes a set program after comparing the concentration, feeds back the result to a terminal device, the terminal device starts the buzzer and an alarm lamp when realizing low-concentration alarm according to the fed-back concentration result, and informs a user in modes such as App, short message and the like when the medium concentration alarms, the buzzer and the alarm lamp are started and simultaneously notify a user through an App, a short message and the like, and are connected with a window, a door is opened and ventilated, when high concentration alarming is carried out, the buzzer and the alarm lamp are started, and simultaneously notify the user through the App, the short message and the like, and are connected with the window, the door is opened and ventilated, a gas valve is cut off, the App is taken as one end of the user, information can be received, the condition of fuel gas in home is known in time, a GPS accurately positions leakage points, peripheral cut-off valve equipment is locked rapidly, corresponding emergency treatment is carried out for evaluating risk, the first connecting ring body 5 and the second connecting ring body 6 are installed on the control machine body 3 through the T-shaped heads 11 and the T-shaped clamping grooves 12, the bottom installation heads 14 at the bottom positions of the first connecting ring body 5 and the second connecting ring body 6 are clamped into the first installation holes 10 of the first support plate 9, so that the first connecting ring body 5 and the second connecting ring body 6 are fixedly installed, the side surface positions of the first connecting ring body 5 and the second connecting ring body 6 are provided with the side surface accommodating body 15, the first bolt 17 is screwed out, so that the first movable rod 18 is pulled out, when the first movable rod 18 moves to a proper position, the first bolt 17 is screwed in again, so that the first movable rod 18 is fixed, then the second bolt 22 is screwed out, the first rotating tube 21 is movably rotated, the side surface mounting plate 24 at the upper position can be movably rotated, so that the position of the exhaust fan 25 can face the identification machine body 4, the exhaust fan 25 can rapidly pump air at the outer position to the accessory of the identification machine body 4, the air is judged, the air pumped out by the exhaust fan 25 can also cool the identification machine body 4, the temperature of the identification machine body 4 is prevented from being too high, meanwhile, the continuous operation of the exhaust fan 25 can quickly exchange and mix the air of the accessory, so that the air is more evenly diffused and mixed, the error report is avoided, the first mounting screw 28 on the second mounting ring 26 is inserted into the arc-shaped mounting hole 8 of the annular flange 7, the mounting hole on the outer flange and the first mounting plate 28 are correspondingly moved to the outer flange, the outer flange is prevented from being mutually fixed, the outer flange is further fixed by the screw plate 32, the outer flange is prevented from being screwed out by the outer flange 32, the outer flange is further fixed by the screw plate 32, the outer flange is further screwed out of the outer flange is prevented from being fixed by the outer flange 32, and the outer flange is further fixed by the outer flange 32, and the outer flange is further fixed by the flange 32, and the screw flange is further fixed by the flange 32, and the bolt is further fixed to the flange 32, and the outer flange is further fixed. The first spring 34 is compressed by the moving second stop block 35, the bolt fixing plate 32 is moved to the outer side of the flange, the bolt fixing plate 32 is rotated, the bolt fixing plate 32 and the outer end movable hole 33 are aligned with each other, the bolt fixing plate 32 is clamped on the nut, the nut is prevented from loosening, and the outer flange is fixedly installed.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. Gas trip valve with smell discernment function, its characterized in that: including valve body (1), the left and right sides position of valve body (1) is provided with first connecting pipe (2), the outer end position of first connecting pipe (2) is provided with annular flange (7), the upper end position of valve body (1) is provided with control organism (3), the side position of control organism (3) is provided with discernment organism (4), be provided with first connecting ring body (5) and second connecting ring body (6) in discernment organism (4) lower position on control organism (3), the bottom position of first connecting ring body (5) and second connecting ring body (6) is provided with bottom support head (13), the bottom end position of bottom support head (13) is provided with bottom installation head (14), the side position of first connecting ring body (5) and second connecting ring body (6) is provided with side accomodate body (15), be provided with side accomodate hole (16) in side accomodate body (15) side accomodate hole (16) in be provided with first movable rod (18), the bottom position of first connecting ring body (5) and second connecting ring body (6) is provided with bottom support head (13), the bottom support head (19) is provided with first rotation tube (19) in the first rotation end position, first rotation rod (19), be provided with side mounting panel (24) on first bracing piece (23), be provided with air exhauster (25) on side mounting panel (24), be provided with arc mounting hole (8) in annular flange (7), be provided with second mount ring (26) in the side position that is located annular flange (7) on first connecting tube (2), be provided with side connecting plate (27) on second mount ring (26), be provided with first installation screw (28) on side connecting plate (27), the outer end position of side connecting plate (27) is provided with outer end installation body (29), be provided with outer end mounting hole (30) in outer end installation body (29), be provided with outer end movable rod (31) in outer end mounting hole (30), be provided with bolt fixed plate (32) on outer end movable rod (31), be provided with first spring (34) on outer end movable rod (31), first spring (34) are located the side position of side connecting plate (27), one end movable rod (31) is provided with second dog (35) and is located between first connecting plate (35).
2. The gas shut-off valve with odor identification function according to claim 1, wherein: the T-shaped clamping grooves (12) are formed in the two ends of the first connecting ring body (5), the T-shaped clamping grooves (12) are formed in the two ends of the second connecting ring body (6), and the first connecting ring body (5) is movably mounted through the T-shaped clamping grooves (12) of the T-shaped head (11) and the second connecting ring body (6).
3. The gas shut-off valve with odor identification function according to claim 1, wherein: the inside position of first connecting pipe (2) is provided with first backup pad (9), all be provided with two first mounting holes (10) on first backup pad (9), first connecting ring body (5), second connecting ring body (6) are all through bottom installation head (14) and first mounting hole (10) movable mounting of first backup pad (9) of bottom sprag head (13) below.
4. The gas shut-off valve with odor identification function according to claim 1, wherein: two screw holes are formed in the side face storage body (15), the two screw holes are communicated with two side face storage holes (16) in the side face storage body (15), and a first bolt (17) is arranged in the screw hole of the side face storage body (15).
5. The gas shut-off valve with odor identification function according to claim 1, wherein: the novel rotary table is characterized in that the first rotary tube (21) is arranged at two side positions on the first rotary rod (19) and is arranged at the outer side position of the first movable rod (18), first stop blocks (20) are arranged at two end positions of the first rotary rod (19), the first stop blocks (20) are arranged at the outer side positions of the first rotary tube (21), screw holes are formed in the first rotary tube (21), and second bolts (22) are arranged in the screw holes of the first rotary tube (21).
6. The gas shut-off valve with odor identification function according to claim 1, wherein: the number of the first supporting rods (23) at the bottom of the side mounting plate (24) is two, and the side mounting plate is fixedly mounted with the first rotating tube (21) through welding.
7. The gas shut-off valve with odor identification function according to claim 1, wherein: the number of the first mounting screws (28) is equal to the number of the arc-shaped mounting holes (8), the first mounting screws (28) are fixedly mounted with the side connecting plates (27) through welding, and the first mounting screws (28) are movably mounted in the arc-shaped mounting holes (8) of the annular flange (7).
8. The gas shut-off valve with odor identification function according to claim 1, wherein: the outer end movable rods (31) are located at the outer side of the annular flange (7), the number of the outer end movable rods (31) is the same as that of the arc-shaped mounting holes (8) and the first mounting screws (28), and the bolt fixing plates (32) are located at the outer side of the annular flange (7) as well.
9. The gas shut-off valve with odor identification function according to claim 1, wherein: the bolt fixing plate (32) is provided with an outer end movable hole (33), and the bolt fixing plate (32) is movably mounted with the first mounting screw (28) through the outer end movable hole (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210143021.3A CN114458824B (en) | 2022-02-16 | 2022-02-16 | Gas shut-off valve with smell recognition function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210143021.3A CN114458824B (en) | 2022-02-16 | 2022-02-16 | Gas shut-off valve with smell recognition function |
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| Publication Number | Publication Date |
|---|---|
| CN114458824A CN114458824A (en) | 2022-05-10 |
| CN114458824B true CN114458824B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210143021.3A Active CN114458824B (en) | 2022-02-16 | 2022-02-16 | Gas shut-off valve with smell recognition function |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116519753B (en) * | 2023-06-28 | 2023-08-25 | 北京燕山时代仪表有限公司 | Gas concentration detection assembly of combustible gas alarm |
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| US11112809B1 (en) * | 2020-02-28 | 2021-09-07 | Michael Bafaro | Gas alarm and safety system and method |
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2022
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| JPH08121628A (en) * | 1994-10-24 | 1996-05-17 | Matsushita Electric Ind Co Ltd | Gas shut-off device |
| CN1453492A (en) * | 2002-04-24 | 2003-11-05 | 斯特凡诺·弗拉基亚 | Selector for selecting control head, especially control head work mode in constant temperature valve |
| CN207093852U (en) * | 2017-06-17 | 2018-03-13 | 浙江博欧卫浴科技有限公司 | A kind of tap |
| CN209084143U (en) * | 2018-11-23 | 2019-07-09 | 内蒙古新达科技股份有限公司 | One kind can monitor self-sealing energy-saving valve |
| CN110094576A (en) * | 2019-04-30 | 2019-08-06 | 北京国新建祥科技发展有限公司 | Flue motorized non-return valve |
| WO2021232544A1 (en) * | 2020-05-22 | 2021-11-25 | 湖州贝德流体设备有限公司 | Asc semi-automatic switching system |
| CN112413159A (en) * | 2020-09-28 | 2021-02-26 | 品风燃气安全科技(广东)有限公司 | Gas safety valve with leakage-proof alarm function |
| CN112268126A (en) * | 2020-10-22 | 2021-01-26 | 杨爱民 | Quick automatic cut-off valve for gas cylinder |
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| CN114458824A (en) | 2022-05-10 |
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