CN209385782U - A kind of pneumatic pressure-release valve with air leak protecting function - Google Patents
A kind of pneumatic pressure-release valve with air leak protecting function Download PDFInfo
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- CN209385782U CN209385782U CN201821449600.6U CN201821449600U CN209385782U CN 209385782 U CN209385782 U CN 209385782U CN 201821449600 U CN201821449600 U CN 201821449600U CN 209385782 U CN209385782 U CN 209385782U
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- seal closure
- connecting tube
- pneumatic pressure
- air leak
- inlet pipe
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Abstract
The utility model discloses a kind of pneumatic pressure-release valves with air leak protecting function, including depressurizing valve body, the both ends of the decompression valve body are connected separately with inlet pipe connection and outlet connecting tube, one end of the inlet pipe connection and the separate decompression valve body of outlet connecting tube is respectively equipped with the first seal closure and the second seal closure, first seal closure and the second seal closure are cylindrical plastic casing, tracheae is connected between first seal closure and the second seal closure, the trachea centre is equipped with test chamber, the inside of the test chamber is equipped with carbon monoxide transducer, test chamber is equipped with outlet nozzle far from the side of carbon monoxide transducer, the outside of the outlet nozzle is screwed with sealing cover by external screw thread, one end of inlet pipe connection and the close decompression valve body of outlet connecting tube is equipped with stopper.The utility model structure is simple, design rationally, can in time pressure reducing valve import and export leakage, and using stopper control coal gas leakage, ensure that the safety of user.
Description
Technical field
The utility model relates to pressure reducing valve field more particularly to a kind of pneumatic pressure-release valves with air leak protecting function.
Background technique
Pressure reducing valve is inlet pressure to be reduced to the outlet pressure of a certain needs, and by the energy of medium itself by adjusting
Amount, makes outlet pressure automatically keep stable valve.From the viewpoint of hydrodynamics, pressure reducing valve is that a local resistance can become
The restricting element of change changes the kinetic energy of flow velocity and fluid, causes the different pressure losses that is, by change orifice size, from
And achieve the purpose that decompression.Then by the adjusting of control and regulating system, the fluctuation of downstream pressure is made to balance each other with spring force,
Keep constant downstream pressure in certain error range.
The pressure reducing valve of existing domestic gas pipeline only has decompression, no drip-preventing function, thus nobody feelings
Under condition, gas leakage can not be prevented, there is very big risk, we have devised a kind of with air leak protecting function thus
Pneumatic pressure-release valve solves problem above.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is protected with gas leakage
The pneumatic pressure-release valve of protective function.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of pneumatic pressure-release valve with air leak protecting function, including decompression valve body, the both ends of the decompression valve body
Be connected separately with inlet pipe connection and outlet connecting tube, the inlet pipe connection and outlet connecting tube far from decompression valve body one
End is respectively equipped with the first seal closure and the second seal closure, and first seal closure and the second seal closure are cylindrical plastic housing
Body, and the one end of the first seal closure and the second seal closure away from each other is connected with sealing plate, the first seal closure and the second sealing
Tracheae is connected between cover, the trachea centre is equipped with test chamber, and the inside of the test chamber is equipped with carbon monoxide transducer, inspection
It surveys chamber and is equipped with outlet nozzle far from the side of carbon monoxide transducer, the outside of the outlet nozzle is screwed with sealing by external screw thread
Lid, inlet pipe connection and outlet connecting tube are equipped with stopper close to one end of decompression valve body.
Preferably, the stopper includes cut-off block and electromagnet, inlet pipe connection and outlet connecting tube close to subtracting
Lower section is equipped with the holding tank matched with cut-off block in press the valve body end, and the surface for ending block is equipped with electromagnet.
Preferably, the electromagnet on the inlet pipe connection and outlet connecting tube is equipped with anti-far from the side of cut-off block
Shield, and two groups of shields are separately mounted on inlet pipe connection and outlet connecting tube by screw.
Preferably, battery is installed, and the output end of battery passes through conducting wire and electricity on the inside of shield described in two groups
The input terminal of magnet is connected.
Preferably, the battery is equipped with switch controller, and the input of the output end and battery of switch controller
End is electrical connected by conducting wire.
Preferably, the output end of the carbon monoxide transducer and the input terminal of switch controller pass through conducting wire electrical property phase
Even.
Preferably, the model of the carbon monoxide transducer are as follows: 7NE/CO-200, the model of switch controller are as follows: LT-
1210K。
Preferably, the sealing plate is circular slab, and mounting shaft hole, the inner wall of mounting shaft hole are equipped at the center of circular slab
And the outside of circular slab is circumferentially coated with inner seal ring and exterior seal ring respectively.
Compared with prior art, the utility model has the beneficial effects that
1, the junction of inlet pipe connection and outlet connecting tube and gas pipe is equipped with seal closure, convenient for connection, simultaneously also
It can quickly be detected by the carbon monoxide transducer in test chamber when gas leakage occurs, find the leakage of coal gas in time；
2, the concentration values detected by carbon monoxide transducer control the electric discharge of battery, can by stopper
Cut-off coal gas in time, avoids the continuation leakproof of coal gas, ensure that the safety of user, and solve leakage problem, tracheae in user
When interior carbonomonoxide concentration declines, battery stops electric discharge, and cut-off block, which falls, will not influence the normal use of coal gas.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of pneumatic pressure-release valve with air leak protecting function structural schematic diagram；
Fig. 2 is the A-A cross-sectional view in Fig. 1；
Fig. 3 be the utility model proposes a kind of pneumatic pressure-release valve with air leak protecting function test chamber section view
Figure；
Fig. 4 be the utility model proposes the sealing plate of the pneumatic pressure-release valve with air leak protecting function a kind of face
Figure.
In figure: 1 decompression valve body, 2 inlet pipe connections, 3 outlet connecting tubes, 4 first seal closures, 5 second seal closures, 6 gas
Pipe, 7 test chambers, 8 carbon monoxide transducers, 9 outlet nozzles, 10 sealing covers, 11 stoppers, 111 cut-off blocks, 112 electromagnet,
12 shields, 13 batteries, 14 switch controllers, 15 sealing plates, 16 inner seal rings, 17 exterior seal rings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of pneumatic pressure-release valve with air leak protecting function, including decompression valve body 1, depressurize valve body
1 both ends are connected separately with inlet pipe connection 2 and outlet connecting tube 3, and inlet pipe connection 2 and outlet connecting tube 3 are far from pressure reducing valve
One end of ontology 1 is respectively equipped with the first seal closure 4 and the second seal closure 5, and the first seal closure 4 and the second seal closure 5 are cylinder
The plastic casing of shape, and the one end of the first seal closure 4 and the second seal closure 5 away from each other is connected with sealing plate 15, sealing plate
15 be circular slab, and mounting shaft hole is equipped at the center of circular slab, and the inner wall of mounting shaft hole and the outside of circular slab are all respectively
To inner seal ring 16 and exterior seal ring 17 is coated with, tracheae 6, tracheae 6 are connected between the first seal closure 4 and the second seal closure 5
Center is equipped with test chamber 7, and the inside of test chamber 7 is equipped with carbon monoxide transducer 8, and test chamber 7 is far from carbon monoxide transducer 8
Side is equipped with outlet nozzle 9, and the outside of outlet nozzle 9 is screwed with sealing cover 10, inlet pipe connection 2 and outlet connecting tube by external screw thread
3 are equipped with stopper 11 close to one end of decompression valve body 1, and stopper 11 includes ending block 111 and electromagnet 112, into
Gas connecting tube 2 and outlet connecting tube 3 lower section in decompression 1 end of valve body are equipped with the appearance matched with cut-off block 111
Receive slot, the surface of cut-off block 111 is equipped with electromagnet 112, and the electromagnet 112 on inlet pipe connection 2 and outlet connecting tube 3 is remote
Side from cut-off block 111 is equipped with shield 12, and two groups of shields 12 are separately mounted to inlet pipe connection 2 by screw
In outlet connecting tube 3, the inside of two groups of shields 12 is equipped with battery 13, and the output end of battery 13 by conducting wire with
The input terminal of electromagnet 112 is connected, and battery 13 is equipped with switch controller 14, and the output end of switch controller 14 and electric power storage
The input terminal in pond 13 is electrical connected by conducting wire, and the output end of carbon monoxide transducer 8 and the input terminal of switch controller 14 are logical
It crosses conducting wire to be electrical connected, the model of carbon monoxide transducer 8 are as follows: 7NE/CO-200, the model of switch controller 14 are as follows: LT-
1210K。
Working principle: when gas pipe is connect with the 2/ outlet connecting tube 3 of inlet pipe connection on decompression valve body 1, the is removed
Sealing plate 15 on one seal closure, 4/ second seal closure 5, is socketed on the gas pipe that will be connected using mounting shaft hole thereon,
It needs to guarantee that sealing plate 15 at this time is caught in 4/ second seal closure 5 of the first seal closure after connection, when gas pipe and inlet pipe connection
When the junction of 2/ outlet connecting tube 3 leaks, coal gas is examined by 4/ second seal closure 5 of the first seal closure and 6 air inlet of tracheae
It surveys in chamber 7, after carbon monoxide transducer 8 detects the concentration of carbon monoxide in gas higher than safety standard, signal can be sent
To switch controller 14, so that it is opened battery 13 and power to electromagnet 112, electromagnet 112 generates magnetic attraction after being powered, and will cut
It is inhaled on stop block 111, it is made to block inlet pipe connection 2 and outlet connecting tube 3, coal gas is avoided to continue to reveal, solved to user
After leakage problem, sealing cover 10 is unscrewed, a small amount of coal gas in tracheae 6 is released, or the stove that directly turns on the gas-fire is by two groups of cut-offs
Remaining coal gas between device 11 is finished, and is reduced the carbonomonoxide concentration in tracheae 6, then can be made to store by switch controller 14
Battery 13 stops electric discharge, and electromagnet 112 loses magnetism, and cut-off block 111 is fallen, it is ensured that the normal use of coal gas, the present apparatus
Structure is simple, design rationally, can the import and export of pressure reducing valve in time leakage, and control coal gas using stopper 11 and letting out
Dew, ensure that the safety of user.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of pneumatic pressure-release valve with air leak protecting function, including decompression valve body (1), which is characterized in that the decompression
The both ends of valve body (1) are connected separately with inlet pipe connection (2) and outlet connecting tube (3), the inlet pipe connection (2) and outlet
Connecting tube (3) is respectively equipped with the first seal closure (4) and the second seal closure (5) far from one end of decompression valve body (1), and described first
Seal closure (4) and the second seal closure (5) are cylindrical plastic casing, and the first seal closure (4) and the second seal closure (5) are mutual
Mutually separate one end is connected with sealing plate (15), and tracheae (6) are connected between the first seal closure (4) and the second seal closure (5),
Tracheae (6) center is equipped with test chamber (7), and the inside of the test chamber (7) is equipped with carbon monoxide transducer (8), test chamber
(7) side far from carbon monoxide transducer (8) is equipped with outlet nozzle (9), and the outside of the outlet nozzle (9) is screwed on by external screw thread
Have sealing cover (10), one end of inlet pipe connection (2) and close decompression valve body (1) of outlet connecting tube (3) is equipped with stopper
(11).
2. a kind of pneumatic pressure-release valve with air leak protecting function according to claim 1, which is characterized in that the cut-off
Device (11) includes cut-off block (111) and electromagnet (112), and inlet pipe connection (2) and outlet connecting tube (3) are close to pressure reducing valve
Lower section is equipped with the holding tank matched with cut-off block (111) in ontology (1) end, sets right above cut-off block (111)
There are electromagnet (112).
3. a kind of pneumatic pressure-release valve with air leak protecting function according to claim 1, which is characterized in that the air inlet
Electromagnet (112) in connecting tube (2) and outlet connecting tube (3) is equipped with shield far from the side of cut-off block (111)
(12), and two groups of shields (12) are separately mounted on inlet pipe connection (2) and outlet connecting tube (3) by screw.
4. a kind of pneumatic pressure-release valve with air leak protecting function according to claim 3, which is characterized in that described in two groups
It is equipped on the inside of shield (12) battery (13), and the output end of battery (13) passes through conducting wire and electromagnet (112)
Input terminal is connected.
5. a kind of pneumatic pressure-release valve with air leak protecting function according to claim 4, which is characterized in that the electric power storage
Pond (13) is equipped with switch controller (14), and the input terminal of the output end of switch controller (14) and battery (13) is by leading
Line is electrical connected.
6. a kind of pneumatic pressure-release valve with air leak protecting function according to claim 1, which is characterized in that an oxygen
The input terminal for changing the output end and switch controller (14) of carbon sensor (8) is electrical connected by conducting wire.
7. a kind of pneumatic pressure-release valve with air leak protecting function according to claim 1, which is characterized in that an oxygen
Change the model of carbon sensor (8) are as follows: 7NE/CO-200, the model of switch controller (14) are as follows: LT-1210K.
8. a kind of pneumatic pressure-release valve with air leak protecting function according to claim 1, which is characterized in that the sealing
Plate (15) is circular slab, and mounting shaft hole is equipped at the center of circular slab, the inner wall of mounting shaft hole and the outside point of circular slab
It is not circumferential to be coated with inner seal ring (16) and exterior seal ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449600.6U CN209385782U (en) | 2018-09-05 | 2018-09-05 | A kind of pneumatic pressure-release valve with air leak protecting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449600.6U CN209385782U (en) | 2018-09-05 | 2018-09-05 | A kind of pneumatic pressure-release valve with air leak protecting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385782U true CN209385782U (en) | 2019-09-13 |
Family
ID=67869410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821449600.6U Active CN209385782U (en) | 2018-09-05 | 2018-09-05 | A kind of pneumatic pressure-release valve with air leak protecting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209385782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164098A (en) * | 2022-07-06 | 2022-10-11 | 浙江氢航科技有限公司 | Gas pressure reducing valve management system |
-
2018
- 2018-09-05 CN CN201821449600.6U patent/CN209385782U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164098A (en) * | 2022-07-06 | 2022-10-11 | 浙江氢航科技有限公司 | Gas pressure reducing valve management system |
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