CN105840984A - Pressure reduction device with safety protection function - Google Patents
Pressure reduction device with safety protection function Download PDFInfo
- Publication number
- CN105840984A CN105840984A CN201610241782.7A CN201610241782A CN105840984A CN 105840984 A CN105840984 A CN 105840984A CN 201610241782 A CN201610241782 A CN 201610241782A CN 105840984 A CN105840984 A CN 105840984A
- Authority
- CN
- China
- Prior art keywords
- decompressor
- ratchet
- pressure reduction
- reduction device
- protection function
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0338—Pressure regulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A pressure reduction device with a safety protection function comprises a gas bottle. A pressure reduction device body is connected with the gas bottle. A handle is arranged on the gas bottle. A hand wheel is arranged below the pressure reduction device body. A power generation mechanism is arranged at the bottom of the pressure reduction device body. A fixing box is arranged at the bottom of the power generation mechanism. An electromagnet is arranged in the fixing box. An L-shaped clamping block is matched with the electromagnet and comprises a pawl. A ratchet wheel is fixedly arranged above the hand wheel. The pawl is matched with the ratchet wheel. The pressure reduction device has the following beneficial effects that it is effectively ensured that in the normal use process, the hand wheel cannot be touched due to the fault touch; and meanwhile, after the pressure reduction device is used, the hand wheel cannot be unscrewed until the gas bottle is closed, and the pressure reduction device conforms to the operation safety manual.
Description
Technical field
The invention belongs to welding and cutting device field, be specifically related to a kind of decompressor with safety protection function.
Background technology
Owing to gas pressure of the inside of a bottle is higher; and pressure needed for gas welding and gas cutting and use point is less; so needing, with a kind of decompressor with safety protection function, the gas of the elevated pressures being stored in gas cylinder is reduced to low-pressure gas, and should ensure that required operating pressure keeps steady statue from start to finish.In a word, a kind of decompressor with safety protection function is gases at high pressure to be reduced to low-pressure gas and keeps exporting the pressure of gas and the adjusting means that stability of flow is constant.
Steel cylinder main switch is first opened during use, then low-pressure meter pressure adjusting screw is rotated clockwise, it is made to compress main spring drive thin film, spring cushion block and push rod and valve is opened, so gases at high pressure of import are entered low-pressure chamber by altitude chamber after expenditure and pressure, and lead to work system through outlet, rotate adjusting screw rod, change the height that valve is opened, thus regulate the throughput of gases at high pressure and reach required force value, in gas cylinder and decompressor docking operation, the adjusting handle of decompressor to keep stable when reaching unfavourable pressure, prevent maloperation touching from rotating.
The gas cylinder not used time to shut bottle valve at any time, and gas pressure reducer can not make stop valve and use, and when bottle valve to be closed after end-of-job, all gas in decompressor discharged by the relief valve then opened on equipment.Then the safety-valve just now opened is shut, the last adjusting handle that counterclockwise rotates, closedown decompressor, just in case misremembering order, being susceptible to safety problem or causing device damage.
Summary of the invention
For deficiency of the prior art, the present invention provides a kind of decompressor with safety protection function, after realizing using, it is necessary to first close gas cylinder, then unclamps the adjusting handle of decompressor, meets use safety standard handbook.
The present invention is achieved through the following technical solutions.
A kind of decompressor with safety protection function; including gas cylinder; be connected with described gas cylinder is decompressor; it is provided with handle on described gas cylinder; the lower section of described decompressor is provided with handwheel; generating mechanism it is provided with bottom described decompressor; described generating actuator base is provided with fixed bin; it is provided with electric magnet in described fixed bin; coordinate with described electric magnet is L-shaped clamping block; described L-shaped clamping block includes that ratchet, the fixed above of described handwheel are provided with ratchet, and coordinate with described ratchet is ratchet.When normally opening work in decompressor, internal air-flow passes through from generating mechanism, supply electric magnet, it is achieved the engagement self-locking of click, also will not make the manometric number of degrees change even if now accidentally encountering handwheel, after using, must first close the valve of gas cylinder, after the gas in decompressor all being discharged by relief valve, electromotor loses electricity, click loses cooperation, turns wheel of loosing one's grip.
As preferably, described generating mechanism includes housing, and described housing is provided with air inlet and the air outlet of bending, is provided with impeller in described housing, and the lower section of described impeller is provided with electromotor.The handwheel utilizing gas cylinder has air-flow to pass through in making decelerator after opening, and realizes the auto-lock function to handwheel, it is ensured that must first close the handle of gas cylinder when closed, meet safety operation handbook.
As preferably, described electromotor electric magnet in giving fixed bin below is powered.
As preferably, described L-shaped clamping block includes the iron block of end, and iron block lower end connects vertical post, and described vertical post lower end is provided with ratchet, is provided with torsion spring in described vertical post, and one end of described torsion spring connects vertical post, and the other end connects ratchet.Torsion spring is for needing to change the pressure change of decompressor, but the when of need not close gas cylinder, due to torsion spring self with moment of torsion, therefore ratchet holding level can be made, when however it is necessary that rotation ratchet, as long as somewhat force rotates up ratchet, so that it may so that pawl-and-gearing loses cooperation, do not affect the use of normal decompressor.
Compared with prior art: be effectively guaranteed during normal use, handwheel will not be encountered, simultaneously after using because of error touching, it is necessary to first close gas cylinder, just can unscrew handwheel, meet operation security manual.
Accompanying drawing explanation
Fig. 1 is a kind of decompressor with safety protection function and the structural representation of gas cylinder cooperation of the present invention.
Fig. 2 is the structural representation of the click cooperation of the present invention.
Fig. 3 is the structural representation of the fixed bin of the present invention.
Fig. 4 is the structural representation of the generating mechanism of the present invention.
Fig. 5 is the structural representation of the L-shaped clamping block of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings with detailed description of the invention, the present invention is described further.
nullA kind of decompressor with safety protection function，Including gas cylinder 1，Be connected with described gas cylinder 1 is decompressor 2，It is provided with handle on described gas cylinder 1，The lower section of described decompressor 2 is provided with handwheel，Generating mechanism 6 it is provided with bottom described decompressor 2，It is provided with fixed bin 5 bottom described generating mechanism 6，It is provided with electric magnet 51 in described fixed bin 5，Coordinate with described electric magnet 51 is L-shaped clamping block 4，Described L-shaped clamping block includes ratchet 41，The fixed above of described handwheel is provided with ratchet 3，Coordinate with described ratchet 3 is ratchet 41，Described generating mechanism 6 includes housing，Air inlet 61 and the air outlet 62 of bending it is provided with on described housing，Impeller 63 it is provided with in described housing，The lower section of described impeller 63 is provided with electromotor 64，The described electromotor 64 electric magnet in giving fixed bin 5 below is powered，Described L-shaped clamping block 4 includes the iron block 43 of end，Iron block 43 lower end connects vertical post 42，Described vertical post 42 lower end is provided with ratchet 41，It is provided with torsion spring 44 in described vertical post 42，One end of described torsion spring 44 connects vertical post 42，The other end connects ratchet 41.
After gas cylinder 1 and decompressor 2 dock, open the handle on gas cylinder 1, behind the position that handwheel below regulation decompressor 2 is extremely suitable for, gas is had to pass through in lower cavity in decompressor 2, gas is by generating mechanism 6, after air inlet 61 enters, through impeller 63, making impeller 63 rotate, the kinetic energy kept watch is transformed into mechanical kinetic energy, then is electric power kinetic energy changes mechanical energy, here it is the principle of wind-power electricity generation, wind-force impeller 63 rotates, then the speed rotated is promoted through booster engine, promotes electromotor 64 to generate electricity.
Electromotor 64 supplies electricity to the electric magnet 51 in fixed bin 5, magnetic is produced after electric magnet 51 energising, gravitation is produced with iron block 43, the whole elevated 20mm of L-shaped clamping block 4, ratchet 41 originally is in the lower section of ratchet 3, the ratchet 41 of the L-shaped clamping block 4 after promoting engages with ratchet 3, serves the effect of self-locking, even if the whole device after engagement also will not change manometric reading after imprudence touches handwheel.
After using, removing rotation hand wheel is to turn motionless, but after first closing the handle on gas cylinder 1, according to specification handbook, slowly the gas in decompressor being discharged with relief valve, after not having the gas of flowing in decompressor 2, the impeller 63 of generating mechanism 6 does not rotates, electric energy is not produced after losing mechanical energy, electric magnet 51 is unattractive with iron block 43, and whole L-shaped clamping block 4 declines 20mm, returns to original position, just can unscrew handwheel, close decompressor.
If needing unscrew or tighten handwheel in midway, changing manometric reading, owing to being provided with torsion spring 42 in vertical post 44, in torsion spring 42, rotating shaft can be provided with by being rotated up ratchet 41 so that ratchet 3 and ratchet 41 lose cooperation.
Protection scope of the present invention includes but not limited to that embodiment of above, protection scope of the present invention are as the criterion with claims, replacement that any those skilled in the art making this technology is readily apparent that, deforms, improves and each fall within protection scope of the present invention.
Claims (4)
1. the decompressor with safety protection function, including gas cylinder (1), be connected with described gas cylinder (1) is decompressor (2), it is provided with handle on described gas cylinder (1), the lower section of described decompressor (2) is provided with hands wheel, it is characterized in that, described decompressor (2) bottom is provided with generating mechanism (6), described generating mechanism (6) bottom is provided with fixed bin (5), it is provided with electric magnet (51) in described fixed bin (5), coordinate with described electric magnet (51) is L-shaped clamping block (4), described L-shaped clamping block includes ratchet (41), the fixed above of described handwheel is provided with ratchet (3), coordinate with described ratchet (3) is ratchet (41).
A kind of decompressor with safety protection function the most according to claim 1; it is characterized in that; described generating mechanism (6) includes housing; air inlet (61) and the air outlet (62) of bending it is provided with on described housing; being provided with impeller (63) in described housing, the lower section of described impeller (63) is provided with electromotor (64).
A kind of decompressor with safety protection function the most according to claim 2, it is characterised in that the described electromotor (64) electric magnet in giving fixed bin (5) below is powered.
A kind of decompressor with safety protection function the most according to claim 1; it is characterized in that; described L-shaped clamping block (4) includes the iron block (43) of end; iron block (43) lower end connects vertical post (42); described vertical post (42) lower end is provided with ratchet (41); being provided with torsion spring (44) in described vertical post (42), one end of described torsion spring (44) connects vertical post (42), and the other end connects ratchet (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610241782.7A CN105840984A (en) | 2016-04-19 | 2016-04-19 | Pressure reduction device with safety protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610241782.7A CN105840984A (en) | 2016-04-19 | 2016-04-19 | Pressure reduction device with safety protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105840984A true CN105840984A (en) | 2016-08-10 |
Family
ID=56588814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610241782.7A Pending CN105840984A (en) | 2016-04-19 | 2016-04-19 | Pressure reduction device with safety protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840984A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2208640Y (en) * | 1994-10-17 | 1995-09-27 | 常州金环机械有限公司 | Gas-electricity linkage safety interlock device |
| CN2804310Y (en) * | 2005-07-12 | 2006-08-09 | 干德义 | Lock |
| CN201028096Y (en) * | 2007-02-27 | 2008-02-27 | 天津市金子仪表控制技术有限公司 | Pawl locked emergency cutting-off/turning-on solenoid valve controlled by electromagnet |
| CN203500849U (en) * | 2013-09-18 | 2014-03-26 | 葛洲坝（宜昌）燃气有限公司 | Equipment for reducing pressure of natural-gas cylinder |
| CN104612859A (en) * | 2014-12-29 | 2015-05-13 | 昆山利丘家用电器有限公司 | Rotating gas pipeline pressure reducer |
-
2016
- 2016-04-19 CN CN201610241782.7A patent/CN105840984A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2208640Y (en) * | 1994-10-17 | 1995-09-27 | 常州金环机械有限公司 | Gas-electricity linkage safety interlock device |
| CN2804310Y (en) * | 2005-07-12 | 2006-08-09 | 干德义 | Lock |
| CN201028096Y (en) * | 2007-02-27 | 2008-02-27 | 天津市金子仪表控制技术有限公司 | Pawl locked emergency cutting-off/turning-on solenoid valve controlled by electromagnet |
| CN203500849U (en) * | 2013-09-18 | 2014-03-26 | 葛洲坝（宜昌）燃气有限公司 | Equipment for reducing pressure of natural-gas cylinder |
| CN104612859A (en) * | 2014-12-29 | 2015-05-13 | 昆山利丘家用电器有限公司 | Rotating gas pipeline pressure reducer |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |