CN2900972Y - Automatic warning safety device for anti-explosion, anti-shock and anti-risk for gas - Google Patents
Automatic warning safety device for anti-explosion, anti-shock and anti-risk for gas Download PDFInfo
- Publication number
- CN2900972Y CN2900972Y CN 200620002034 CN200620002034U CN2900972Y CN 2900972 Y CN2900972 Y CN 2900972Y CN 200620002034 CN200620002034 CN 200620002034 CN 200620002034 U CN200620002034 U CN 200620002034U CN 2900972 Y CN2900972 Y CN 2900972Y
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- valve
- chamber
- rubber membrane
- hole
- piston
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Abstract
An automatic alarm safety device of firedamp explosion-proof, shockproof and hazard-proof is provided with an admitting port and a low pressure air drain on the valve casing and a valve port in the valve casing; an air-out chamber in the valve casing is formed between the valve port and the low pressure air drain; a valve cavity which is small in the upper side and big in the lower side is provided on the valve port on the side near the admission chamber; the admission chamber is provided with a valve base which is provided with a valve body, an adjust device is provided between the valve base and the valve casing wall, and the valve body is provided with a balance flexible rack device with an instability gravity; the valve casing is provided with a sound and/or light warning device which is connected with a junction circuit, the cavity chamber wall of the air-out chamber is provided with a hole cavity which is arranged with an air-operated switch of warning device comprising a elastic membrane sealing locked in the hole cavity wall, the elastic membrane is provided with a pair of electrical pickoff joints which are connected with the junction circuit, the cavity chamber wall is provided with an electric contact on the corresponding position connected with the junction circuit. The safety valve can cut off the air supply timely, as well as automatic alarm immediately to prompt people to take rush repair and treatment timely.
Description
Technical field
The utility model belongs to and is used for the valve that uses on the inflammable gas pipeline, the shockproof pressure regulation alarm safety device of especially a kind of inflammable gas leakproof.
Background technique
The safety of gas-pipe line is the major issue that is related to people's the security of the lives and property, in order to make gas-pipe line make gas-pipe line can cut off source of the gas automatically when producing bigger vibration when disasters such as gas-pipe line or gas ring generation leakage or generation earthquakes, the applicant has applied for the patent No. 01231924.4, name is called the utility model patent of " the shockproof pressure regulator valve of gas leakproof ", this valve causes tolerance that fluctuation is arranged having only very a spot of leakage, or the external world is when having vibration to take place, and just can close source of the gas automatically.But this valve can not send warning automatically when closing gas circuit.This just can not in time make the people learn the generation of fault, in time fixes a breakdown.
Summary of the invention
The purpose of this utility model is to improve deficiency of the prior art, provides a kind of and promptly can close the methane explosion prevention automatic alarm safety device in shockproof anti-danger (valve) that can also report to the police automatically automatically when leakage and vibration take place.
The purpose of this utility model is achieved in that
The automatic alarm safety device in the shockproof anti-danger of the methane explosion prevention that the utility model provides, comprise valve casing, on this valve casing, be provided with suction port and low pressure air outlet, in valve casing, be provided with a partition between described suction port and the low pressure air outlet, on this partition, be provided with a valve port, suction port and low pressure air outlet are communicated with; Between described valve port and described suction port, form the suction chamber in the valve casing, between described valve port and described low pressure air outlet, form the discharge chamber in the valve casing; Close suction chamber one side of described valve port has the valve pocket of a up-small and down-big flaring; Be provided with a valve seat in described suction chamber, this valve seat is provided with a valve body, places between valve body on this valve seat and the described valve port and is provided with a space, and this valve body and described valve port are complementary, so that described valve port is sealed by valve body; Be provided with the regulation structure that changes distance between valve body and the valve port between described valve seat and the valve casing wall, have the balancing activity holder device of unbalance on the described valve body; It is characterized in that;
On described valve casing, be provided with sound and/or light alarming device, it is connected with a connecting circuit, on the chamber wall of described discharge chamber, be provided with a hole, this hole is provided with a warning device jettron, described jettron comprises an elastic membrane, it is hermetically on this vestibule, the a pair of electric contact piecing devices that this elastic membrane is provided with alarm system are connected with described connecting circuit, on the described chamber wall or with corresponding site that this chamber wall is connected on described elastic membrane on the corresponding position of electric contact piecing devices on be provided with electric contact and be connected with described connecting circuit.
The automatic alarm safety device in the shockproof anti-danger of the methane explosion prevention that the utility model provides is at kitchen range or pipeline generation principal fault or when dangerous situation such as earthquake takes place, except can in time cutting off the source of the gas, can also send warning at once automatically, reminds people is in time rushed to repair processing, and the assurance of using combustion gas more safely and reliably is provided.Jettron that the safety valve provides and the structure in the valve chest make the warning circuit part isolated fully, safe and reliable with the blast tube part.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
The main sectional structure schematic representation of the automatic alarm safety device in the shockproof anti-danger of methane explosion prevention that Fig. 1 provides for the utility model;
Fig. 2 is the structural representation of the warning device (under the aeration status) in the exhaust chamber;
Fig. 3 is the structural representation of the warning device (under the state of alarm) in the exhaust chamber.
Embodiment
As shown in Figure 1, the automatic alarm safety device in the shockproof anti-danger of the methane explosion prevention that the utility model provides, comprise the valve casing of forming by upper shell R and lower shell body R1 sealed attachment, on lower shell body R1, be provided with suction tude S, on upper shell R, be provided with low pressure steam outlet pipe F, in valve casing, be provided with a partition between the mouth of pipe of the mouth of pipe S1 of suction tude S and low pressure steam outlet pipe F, on this partition, be provided with a valve port L2, suction tude S and low pressure steam outlet pipe F are communicated with; Between the mouth of pipe S1 of valve port L2 and suction tude S, form the suction chamber S3 in the valve casing, between valve port L2 and low pressure steam outlet pipe F, constitute a discharge chamber F1 by chamber wall; Close suction chamber S3 one side of valve port L2 has the valve pocket L of a up-small and down-big flaring;
In suction chamber S3, be provided with a valve seat, i.e. pendulum lifting guide plate K, it is fixed on the sidewall of lower shell body R1 by a controlling device, this controlling device comprises the fine setting screw rod H1 of air demand fine adjustment screw H, on the sidewall of lower shell body R1, be provided with a through hole, has one section screw thread in the outside of this through hole, a fine setting screw rod H1 wherein is threaded, the termination of this fine setting screw rod H1 extend in the lower shell body R1, the termination of fine setting screw rod H1 is by the affixed pendulum lifting of jump ring H4 guide plate K, on fine setting screw rod H1, be provided with seal ring H2, with this through hole sealing.
Valve seat comprises a pendulum lifting guide plate K, pendulum M and a universal cross M2, pendulum lifting guide plate K has the inclined-plane of an inclination, on this inclined-plane, support pendulum M by universal cross M2, the top of pendulum M is provided with piston platform M3, thus, constitute the balancing activity holder device of described unbalance.Valve body, promptly piston P stand on this piston platform M3, and piston P upper end is provided with piston gas-tight ring P2.
Place the piston P on the piston platform M3, be provided with a space between its upper piston gas-tight ring P2 and the valve port L2, also be provided with a piston rod P1 in the upper end of valve element P.Above valve port L2, be provided with a chamber, be provided with one in this chamber and take over a business B4, this is taken over a business the upper end and connects a upper push-rod B2, sheathed seal ring B3 on this upper push-rod B2, to seal between upper push-rod B2 and the chamber wall, the button hole on the upper shell R is stretched out in the upper end of upper push-rod B2, connects ventilation button B, sheathed push-button reset spring B 1 on the upper push-rod between the top of this ventilation button and described chamber.When using the safety valve, press down ventilation button B, by the B4 that takes over a business on the upper push-rod B2, downward pushing piston bar P1, piston P is dropped on the piston platform M3, be about to valve port L2 and open, combustion gas enters lower shell body from the mouth of pipe S1 of suction tude S, enter among the discharge chamber F1 in the upper shell by valve port L2, discharging by steam outlet pipe.It is that sealing is isolated that discharge chamber F1 and above-mentioned device have upper push-rod B2 and chamber of taking over a business B4 and upper shell electrical equipment chamber resettling.
By screwing in or screw out air demand fine adjustment screw H, can regulating piston P with valve port L2 between spacing, thereby the adjusting of realization air demand.
It is characterized in that:
On the shell wall of upper shell R, be provided with beacon C and alarm device D, it is connected with a connecting circuit that is arranged in the interior electrical equipment chamber resettling of upper shell, be connected with in this connecting circuit and comprise power switch A and battery case A1, be provided with battery A2 in battery case A1, the anodal A3 of battery is connected with circuit lead with negative pole A4.
As Fig. 1, shown in 2 and 3, on the chamber wall of discharge chamber F1, be provided with a vestibule, this vestibule is provided with a warning device jettron E, it comprises conductive plate E1, conductive plate contact E2, minute-pressure spring E3 and rubber membrane E4, on the hole, connect firmly the rubber membrane pressing plate cover E22 of an arc epirelief hermetically by retaining screw E24 and seal ring, below rubber membrane pressing plate cover E22, press solidly rubber membrane E4, top at high rubber membrane pressing plate cover E22 is provided with a hole, be provided with a hole in the corresponding part, hole on the rubber membrane E4 with on the rubber membrane pressing plate cover E22, in the hole of rubber membrane E4, plug a fastening conductive hoop push rod E12 hermetically, the upper end of this push rod E12 is installed with conductive plate E1, its be arranged on rubber membrane pressing plate cover E22 above, set firmly push rod dish E13 in the lower end of this push rod E12, this push rod dish E13 place this rubber membrane E4 below.An also sheathed spring E24 and a minute-pressure spring pad E31 on push rod E12, the end of this spring E24 is against the inboard of this rubber membrane pressing plate cover E22, and the other end is against on the minute-pressure spring pad E31, and the minute-pressure spring pad is resisted against on the rubber membrane E4.
On the outer upper end face of rubber membrane pressing plate cover E22, be provided with two electric contact joint E2.Be installed with a conductive hoop E11 on the lower surface of conductive plate E1 on be positioned at rubber membrane pressing plate cover E22 arc epirelief housing.
The automatic alarm safety device in the shockproof anti-danger of the methane explosion prevention that the utility model provides, the warning working principle is: when the safety valve in pipeline in the proper functioning, a certain amount of combustion gas enters suction chamber S3 from suction tude S, entering discharge chamber F1 by valve port L2, discharging from described low pressure steam outlet pipe F at last.Owing to have a certain amount of gas to pass through at discharge chamber F1, wherein has certain air pressure, therefore, rubber membrane E4 on the discharge chamber FI chamber wall will outwards expand and heave, then driving the conductive hoop push rod E12 that is fastened on the rubber membrane also rises, conductive hoop E11 on it separates with electric contact joint E2 on the rubber membrane pressing plate cover E22, makes the circuit breaker that connects beacon C and alarm device D.When gas cooker or the fuel gas pipeline that is attached thereto took place to leak, the gas quantity that flows through this valve increased, and thus, makes the pressure difference of piston P both sides change, and P closes valve port L2 at this action of pressure lower piston; In when, earthquake taking place or shaking housing when, when the unstable universal pendulum of this valve support piston P is swung, platform under its piston P can play the effect of pushing away, thereby also makes the pressure difference of piston P both sides change, and P also closes valve port L2 at this action of pressure lower piston.
After valve port L2 is closed, air pressure in the discharge chamber F1 will reduce, rubber membrane E4 on the discharge chamber FI chamber wall will be to the whereabouts, the conductive hoop push rod E12 that it tightens also falls thereupon, make the conductive plate E1 that the upper end of push rod E12 sets firmly, drop on the rubber membrane pressing plate cover E22, the conductive hoop E11 that conductive plate E1 lower end surface is provided with contacts with two electric contact joint E2 that rubber membrane pressing plate cover E22 upper-end surface is provided with, and makes foregoing circuit connect.Beacon and alarm device can be reported to the police in work.The spring that is provided with on push rod E12 is little spring of defeating, and when the valve normal ventilation, rubber membrane expands, and makes spring be compressed.When cutting off source of the gas when breaking down, rubber membrane is not having the air pressure aftershrinkage to fall on the one hand.In addition, spring also falls to working to this push rod, guarantees to connect circuit.
The above is specific embodiment of the utility model and the know-why used, and is any based on the equivalent transformation on the technical solutions of the utility model basis, all belongs within the utility model protection domain.
Claims (5)
1, the automatic alarm safety device in the shockproof anti-danger of a kind of methane explosion prevention, it is characterized in that: comprise valve casing, on this valve casing, be provided with suction port and low pressure air outlet, in valve casing, be provided with a partition between described suction port and the low pressure air outlet, on this partition, be provided with a valve port, suction port and low pressure air outlet are communicated with; Between described valve port and described suction port, form the suction chamber in the valve casing, between described valve port and described low pressure air outlet, form the discharge chamber in the valve casing; Close suction chamber one side of described valve port has the valve pocket of a up-small and down-big flaring; Be provided with a valve seat in described suction chamber, this valve seat is provided with a valve body, places between valve body on this valve seat and the described valve port and is provided with a space, and this valve body and described valve port are complementary, so that described valve port is sealed by valve body; Be provided with the controlling device that changes distance between valve body and the valve port between described valve seat and the valve casing wall, have the balancing activity holder device of unbalance on the described valve body; It is characterized in that:
On described valve casing, be provided with sound and/or light alarming device, it is connected with a connecting circuit, on the chamber wall of described discharge chamber, be provided with a hole, this hole is provided with a warning device jettron E, described jettron comprises an elastic membrane, it is hermetically on this hole, the a pair of electric contact piecing devices that this elastic membrane is provided with alarm system are connected with described connecting circuit, on the described chamber wall or with corresponding site that this chamber wall is connected on described elastic membrane on the corresponding position of electric contact piecing devices on be provided with electric contact and be connected with described connecting circuit.
2, the automatic alarm safety device in the shockproof anti-danger of methane explosion prevention according to claim 1, it is characterized in that: on the chamber wall of described discharge chamber (F1), be provided with a hole, this hole is provided with a warning device jettron (E), it comprises conductive plate (E1), conductive plate contact (E2), minute-pressure spring (E3) and rubber membrane (E4), on described hole, connect firmly the rubber membrane pressing plate cover (E22) of an arc epirelief hermetically, below this rubber membrane pressing plate cover (E22), press solidly this rubber membrane (E4), be provided with a hole on the top of this rubber membrane pressing plate cover (E22), be provided with a hole in the corresponding part, hole on this rubber membrane (E4) with on this rubber membrane pressing plate cover (E22), in the hole of rubber membrane (E4), plug a fastening conductive hoop push rod (E12) hermetically, the upper end of this push rod (E12) is installed with this conductive plate (E1), its be arranged on this rubber membrane pressing plate cover (E22) above, set firmly push rod dish (E13) in the lower end of this push rod (E12), this push rod dish (E13) place this rubber membrane (E4) below; On the outer upper end face of rubber membrane pressing plate cover (E22), be provided with two electric contact joints (E2); Be installed with a conductive hoop (E11) on the lower surface of the conductive plate (E1) on be positioned at rubber membrane pressing plate cover (E22) arc epirelief housing.
3, the automatic alarm safety device in the shockproof anti-danger of methane explosion prevention according to claim 2, it is characterized in that: go up an also sheathed spring (E24) and a minute-pressure spring pad (E31) at described push rod (E12), one end of this spring (E24) is against the inboard of this rubber membrane pressing plate cover (E22), the other end is against on this minute-pressure spring pad (E31), and this minute-pressure spring pad is resisted against on the rubber membrane (E4).
4, the automatic alarm safety device in the shockproof anti-danger of methane explosion prevention according to claim 1, it is characterized in that: the balancing activity holder device of described unbalance is: described valve seat comprises a pendulum lifting guide plate (K), a pendulum (M) and a universal cross (M2), this pendulum lifting guide plate (K) has the inclined-plane of an inclination, on this inclined-plane, support pendulum (M) by universal cross (M2), the top of pendulum (M) is provided with piston platform (M3), thus, constitute the balancing activity holder device of described unbalance.Described valve body, promptly piston (P) stand on this piston platform (M3), and this piston (P) upper end is provided with piston gas-tight ring (P2), places the piston (P) on this piston platform (M3), is provided with a space between its upper piston gas-tight ring (P2) and the described valve port (L2).
5, the automatic alarm safety device in the shockproof anti-danger of methane explosion prevention according to claim 4, it is characterized in that: also be provided with a piston rod (P1) in the upper end of described piston (P), be provided with a chamber in the top of this valve port (L2), be provided with one in this chamber and take over a business (B4), this is taken over a business the upper end and connects a upper push-rod (B2), go up sheathed seal ring (B3) at this upper push-rod (B2), to seal between this upper push-rod (B2) and this chamber wall, the button hole on this valve casing is stretched out in the upper end of this upper push-rod (B2), connect a ventilation button (B), sheathed push-button reset spring (B1) on the upper push-rod between the top of this ventilation button and described chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620002034 CN2900972Y (en) | 2006-01-28 | 2006-01-28 | Automatic warning safety device for anti-explosion, anti-shock and anti-risk for gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620002034 CN2900972Y (en) | 2006-01-28 | 2006-01-28 | Automatic warning safety device for anti-explosion, anti-shock and anti-risk for gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2900972Y true CN2900972Y (en) | 2007-05-16 |
Family
ID=38085136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620002034 Expired - Fee Related CN2900972Y (en) | 2006-01-28 | 2006-01-28 | Automatic warning safety device for anti-explosion, anti-shock and anti-risk for gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2900972Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495384A (en) * | 2022-04-02 | 2022-05-13 | 深圳市欧洁照明科技有限公司 | Warning light for digit control machine tool |
-
2006
- 2006-01-28 CN CN 200620002034 patent/CN2900972Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495384A (en) * | 2022-04-02 | 2022-05-13 | 深圳市欧洁照明科技有限公司 | Warning light for digit control machine tool |
| CN114495384B (en) * | 2022-04-02 | 2022-06-24 | 深圳市欧洁照明科技有限公司 | Warning light for digit control machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 Termination date: 20100301 |