CN107941295A - A kind of gas meter explosion-protection equipment simple in structure - Google Patents
A kind of gas meter explosion-protection equipment simple in structure Download PDFInfo
- Publication number
- CN107941295A CN107941295A CN201711174738.XA CN201711174738A CN107941295A CN 107941295 A CN107941295 A CN 107941295A CN 201711174738 A CN201711174738 A CN 201711174738A CN 107941295 A CN107941295 A CN 107941295A
- Authority
- CN
- China
- Prior art keywords
- protection equipment
- explosion
- table body
- cavity
- fixedly connected
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 239000003345 natural gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of gas meter explosion-protection equipment simple in structure, including table body, air outlet pipe is communicated with the left of the upper end of the table body, explosion-protection equipment is communicated with the right side of the table body, the one end of the explosion-protection equipment away from table body is communicated with air inlet pipe, machine cavity and air cavity are offered successively from left to right in the explosion-protection equipment, the machine cavity and air cavity are separated by the baffle of vertical sealed set and pass through open communication, gas chamber is equipped with the machine cavity, the gas chamber interior sealing is equipped with piston, piston rod is fixedly connected with the piston, the piston rod runs through the inner wall of gas chamber and is rotatably connected to connecting rod, the link rotatable is connected on the inner wall of machine cavity, the one end of the connecting rod away from piston rod is fixedly connected with push rod, motor is installed in the machine cavity.Stable structure of the present invention, easy to operate, design is scientific and reasonable, and possessing explosion-protection equipment can prevent manifold pressure is excessive to cause pipeline burst to leak, and be worthy to be popularized.
Description
Technical field
The present invention relates to Natural Gas table technical field, more particularly to a kind of gas meter explosion-protection equipment simple in structure.
Background technology
Can only see outside gas meter, flow meter has a roller with number in small windowpane, also have seven bit digitals on roller, small
Four black before several points, rear three red.The daily fuel cooked of people is dirty from serious waste of resources such as firewood, coals
Serious conventional energy resource is contaminated to be changed into using natural gas and coal gas, the even clean energy resource such as electricity.Gas meter, flow meter will herein
Its effect is played, there is its automatic accumulating function so that those can be facilitated using other of natural gas or piped gas
Ground knows how much gas used, to pay the fees according to the cubic meter number for monthly consuming combustion gas.
But gas meter, flow meter of the prior art lacks explosion-protection equipment, pipeline burst, combustion are easy to cause to manifold pressure is excessive
Gas leakage.
The content of the invention
The purpose of the present invention is to solve gas meter, flow meter in the prior art to lack the problem of explosion-protection equipment causes gas leakage,
A kind of and gas meter explosion-protection equipment simple in structure proposed.
To achieve these goals, present invention employs following technical solution：
A kind of gas meter explosion-protection equipment simple in structure, including table body, the upper end left side of the table body are communicated with air outlet pipe,
Explosion-protection equipment is communicated with the right side of the table body, the one end of the explosion-protection equipment away from table body is communicated with air inlet pipe, described explosion-proof
Offer machine cavity and air cavity in device successively from left to right, the machine cavity and air cavity are separated simultaneously by the baffle of vertical sealed set
By open communication, gas chamber is equipped with the machine cavity, the gas chamber interior sealing is equipped with piston, work is fixedly connected with the piston
Stopper rod, the piston rod run through the inner wall of gas chamber and are rotatably connected to connecting rod, and the link rotatable is connected on the inner wall of machine cavity,
The one end of the connecting rod away from piston rod is fixedly connected with push rod, and motor, the drive shaft of the motor are provided with the machine cavity
Worm screw is fixedly connected with, the worm engaging has worm gear, and shaft is inserted with the middle part of the worm gear, and the shaft runs through baffle simultaneously
Catch is fixedly connected with, is fixedly connected with partition plate in the machine cavity vertically, partition plate position corresponding with push rod is provided with out
Close, and switch is electrically connected with motor.
Preferably, the drive shaft of the motor is fixedly connected by axis connected device with worm screw.
Preferably, the middle part of the worm gear is interference fitted connection by flat key shaft.
Preferably, the one end of the air cavity away from table body offers air inlet, and the air cavity passes through air inlet and air inlet pipe
Connection.
Preferably, the air cavity offers gas outlet close to one end of table body, and the air cavity is connected by gas outlet and table body
It is logical.
Preferably, the switch uses travel switch.
In the present invention, when gas pressure is excessive in pipeline, natural gas promotes piston motion, band piston after piston motion
Bar moves, and piston rod drives connecting rod to be moved according to lever principle, and connecting rod drives pushrod movement, and push rod by compressing switch, open by switch
Afterwards, power supply connects, and motor starts running, its drive shaft drives worm screw to rotate after motor operating, and worm screw drives the snail being engaged with
Wheel rotates, and worm gear drives shaft to rotate, and shaft drives catch to close air cavity.Stable structure of the present invention, it is easy to operate, if
Count scientific and reasonable, possessing explosion-protection equipment can prevent manifold pressure is excessive to cause pipeline burst to leak, and be worthy to be popularized.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of gas meter explosion-protection equipment simple in structure proposed by the present invention；
Fig. 2 is explosion-protection equipment internal structure schematic diagram in the present invention.
In figure：1 table body, 2 air outlet pipes, 3 explosion-protection equipments, 4 air inlet pipe, 5 air inlets, 6 shafts, 7 catch, 8 air cavitys, 9 pistons
Bar, 10 gas chambers, 11 pistons, 12 openings, 13 connecting rods, 14 push rods, 15 machine cavities, 16 switches, 17 partition plates, 18 motors, 19 axis connected devices, 20
Worm gear.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
With reference to Fig. 1-2, a kind of gas meter explosion-protection equipment simple in structure, including table body 1, the upper end left side connection of table body 1
There is air outlet pipe 2, the right side of table body 1 is communicated with explosion-protection equipment 3, and the one end of explosion-protection equipment 3 away from table body 1 is communicated with air inlet pipe 4, prevents
Offer machine cavity 15 and air cavity 8, the baffle that machine cavity 15 and air cavity 8 pass through vertical sealed set in quick-fried device 3 successively from left to right
Separate and connected by opening 12, is equipped with gas chamber 10 in machine cavity 15,10 interior sealing of gas chamber is equipped with piston 11, fixation company on piston 11
Piston rod 9 is connected to, piston rod 9 runs through the inner wall of gas chamber 10 and is rotatably connected to connecting rod 13, and connecting rod 13 is rotatably connected on machine cavity 15
Inner wall on, the one end of connecting rod 13 away from piston rod 9 is fixedly connected with push rod 14, and motor 18, motor 18 are provided with machine cavity 15
Drive shaft be fixedly connected with worm screw, worm engaging has worm gear 20, and the middle part of worm gear 20 is inserted with shaft 6, and shaft 6 runs through baffle
And catch 7 is fixedly connected with, partition plate 17 is fixedly connected with machine cavity 15 vertically, partition plate 17 is provided with 14 corresponding position of push rod
Switch 16, and switch 16 and be electrically connected with motor 18.
In the present invention, the drive shaft of motor 18 is fixedly connected by axis connected device 19 with worm screw, and axis connected device 19 is easily installed, even
Connect firm, the middle part of worm gear 20 is interference fitted connection by flat key shaft 6, and technique is simple, stable connection, and air cavity 8 is away from table
One end of body 1 offers air inlet 5, and air cavity 8 is connected by air inlet 5 with air inlet pipe 4, and air cavity 8 is opened up close to one end of table body 1
There is gas outlet, air cavity 8 is connected by gas outlet with table body 1, and air inlet 5 and gas outlet are easy to use, and manufacture cost is low, switch 16
Using travel switch, travel switch makes its contact action be connect to realize easy to triggering using the collision of manufacturing machine moving component
Logical or disjunction control circuit.
Table body 1 is existing in the present invention, is not repeating herein, operation principle is：When gas pressure is excessive in pipeline,
Natural gas promotes piston 11 to move, and piston 11 drives piston rod 9 to move after moving, and piston rod 9 drives connecting rod 13 former according to lever
Reason movement, connecting rod 13 drive push rod 14 to move, and push rod 14 is by compressing switch 16, and after switch 16 is opened, power supply connection, motor 18 starts
Operating, its drive shaft drives worm screw to rotate after motor 18 operates, and worm screw drives the worm gear 20 being engaged with to rotate, and worm gear 20 drives
Shaft 6 rotates, and shaft 6 drives catch 7 to close air cavity 8.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of gas meter explosion-protection equipment simple in structure, including table body (1), it is characterised in that the upper end of the table body (1) is left
Side is communicated with air outlet pipe (2), explosion-protection equipment (3) is communicated with the right side of the table body (1), the explosion-protection equipment (3) is away from table body
(1) one end is communicated with air inlet pipe (4), and machine cavity (15) and air cavity are offered successively from left to right in the explosion-protection equipment (3)
(8), the machine cavity (15) is separated by the baffle of vertical sealed set with air cavity (8) and is connected by opening (12), the machine
Gas chamber (10) is equipped with chamber (15), gas chamber (10) interior sealing is equipped with piston (11), is fixedly connected with the piston (11)
Piston rod (9), the piston rod (9) run through the inner wall of gas chamber (10) and are rotatably connected to connecting rod (13), and the connecting rod (13) turns
Dynamic to be connected on the inner wall of machine cavity (15), the one end of the connecting rod (13) away from piston rod (9) is fixedly connected with push rod (14), institute
State in machine cavity (15) and motor (18) is installed, the drive shaft of the motor (18) is fixedly connected with worm screw, and the worm engaging has
Worm gear (20), shaft (6) is inserted with the middle part of the worm gear (20), the shaft (6) is through baffle and is fixedly connected with catch
(7), it is fixedly connected with partition plate (17) in the machine cavity (15) vertically, the partition plate (17) position installation corresponding with push rod (14)
There is switch (16), and switch (16) and be electrically connected with motor (18).
A kind of 2. gas meter explosion-protection equipment simple in structure according to claim 1, it is characterised in that the motor (18)
Drive shaft be fixedly connected by axis connected device (19) with worm screw.
A kind of 3. gas meter explosion-protection equipment simple in structure according to claim 1, it is characterised in that the worm gear (20)
Middle part by flat key be interference fitted connection have shaft (6).
A kind of 4. gas meter explosion-protection equipment simple in structure according to claim 1, it is characterised in that the air cavity (8)
One end away from table body (1) offers air inlet (5), and the air cavity (8) is connected by air inlet (5) with air inlet pipe (4).
A kind of 5. gas meter explosion-protection equipment simple in structure according to claim 1, it is characterised in that the air cavity (8)
Gas outlet is offered close to one end of table body (1), the air cavity (8) is connected by gas outlet with table body (1).
A kind of 6. gas meter explosion-protection equipment simple in structure according to claim 1, it is characterised in that the switch (16)
Using travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174738.XA CN107941295A (en) | 2017-11-22 | 2017-11-22 | A kind of gas meter explosion-protection equipment simple in structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174738.XA CN107941295A (en) | 2017-11-22 | 2017-11-22 | A kind of gas meter explosion-protection equipment simple in structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107941295A true CN107941295A (en) | 2018-04-20 |
Family
ID=61930722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711174738.XA Pending CN107941295A (en) | 2017-11-22 | 2017-11-22 | A kind of gas meter explosion-protection equipment simple in structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107941295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115925494A (en) * | 2022-12-30 | 2023-04-07 | 贵州盘江民爆有限公司 | Drying and transferring device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4971481A (en) * | 1989-02-10 | 1990-11-20 | Communications Conveyor Co., Inc. | Pneumatic tube stop device and terminal |
| CN2510677Y (en) * | 2001-10-23 | 2002-09-11 | 朱建 | Blocking-free, low-power-consumption, high-reliable, IC card gas meter motor-driving valve |
| CN1399088A (en) * | 2001-07-25 | 2003-02-26 | 辛伟芳 | Anti-explosion fuel gas safety device |
| CN2580210Y (en) * | 2002-11-07 | 2003-10-15 | 刘建华 | Quick open door type safety interlocking device of pressure container |
| CN201034670Y (en) * | 2007-01-05 | 2008-03-12 | 苏理平 | Automatically pressure protection gas meter |
| CN201078575Y (en) * | 2007-08-01 | 2008-06-25 | 李艳 | Safety valve for gas automatic closing |
| CN201487327U (en) * | 2009-06-26 | 2010-05-26 | 章祁荣 | Safety fuel gas valve |
| CN202109042U (en) * | 2011-05-19 | 2012-01-11 | 陈林 | Safety valve for combustion gas |
| CN106499869A (en) * | 2016-12-23 | 2017-03-15 | 盐城工学院 | A kind of pressure regulator and fuel gas transmission equipment |
-
2017
- 2017-11-22 CN CN201711174738.XA patent/CN107941295A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4971481A (en) * | 1989-02-10 | 1990-11-20 | Communications Conveyor Co., Inc. | Pneumatic tube stop device and terminal |
| CN1399088A (en) * | 2001-07-25 | 2003-02-26 | 辛伟芳 | Anti-explosion fuel gas safety device |
| CN2510677Y (en) * | 2001-10-23 | 2002-09-11 | 朱建 | Blocking-free, low-power-consumption, high-reliable, IC card gas meter motor-driving valve |
| CN2580210Y (en) * | 2002-11-07 | 2003-10-15 | 刘建华 | Quick open door type safety interlocking device of pressure container |
| CN201034670Y (en) * | 2007-01-05 | 2008-03-12 | 苏理平 | Automatically pressure protection gas meter |
| CN201078575Y (en) * | 2007-08-01 | 2008-06-25 | 李艳 | Safety valve for gas automatic closing |
| CN201487327U (en) * | 2009-06-26 | 2010-05-26 | 章祁荣 | Safety fuel gas valve |
| CN202109042U (en) * | 2011-05-19 | 2012-01-11 | 陈林 | Safety valve for combustion gas |
| CN106499869A (en) * | 2016-12-23 | 2017-03-15 | 盐城工学院 | A kind of pressure regulator and fuel gas transmission equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115925494A (en) * | 2022-12-30 | 2023-04-07 | 贵州盘江民爆有限公司 | Drying and transferring device |
| CN115925494B (en) * | 2022-12-30 | 2024-02-20 | 贵州盘江民爆有限公司 | Stoving transfer device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180420 |