CN201080866Y - Gas cylinder valve for motor vehicle - Google Patents
Gas cylinder valve for motor vehicle Download PDFInfo
- Publication number
- CN201080866Y CN201080866Y CNU2007200752615U CN200720075261U CN201080866Y CN 201080866 Y CN201080866 Y CN 201080866Y CN U2007200752615 U CNU2007200752615 U CN U2007200752615U CN 200720075261 U CN200720075261 U CN 200720075261U CN 201080866 Y CN201080866 Y CN 201080866Y
- Authority
- CN
- China
- Prior art keywords
- valve
- gas
- valve body
- automobile
- cylinder valve
- 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.)
- Expired - Lifetime
Links
- 238000009434 installation Methods 0.000 claims description 22
- 238000009825 accumulation Methods 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 36
- 239000000446 fuel Substances 0.000 abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 229910000743 fusible alloy Inorganic materials 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract description 2
- 239000003345 natural gas Substances 0.000 abstract description 2
- 239000002737 fuel gas Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a cylinder valve for motor vehicle that is used for using Compressed Natural Gas (CNG) or Compressed Hydrogen (CHG) as fuel. The device realizes the opening and closing functions of the fuel gas bottle for the vehicle by manual cut-off or opening and closing of the electromagnetic valve. The valve with the exhaust system can guide micro-leakage gas to a specified pipeline through a set passage instead of directly leaking the micro-leakage gas into a closed space or a vehicle body such as a backup compartment and the like, so that the safety is greatly improved; meanwhile, the safety device of the valve comprises a pressure release device (rupture disk) and a temperature release device (fusible alloy plug) which are external and are not contained in the exhaust pipe, so that the valve is more sensitive to the reaction of fire or emergencies such as sudden pressure rise of the gas cylinder and the like, is quicker and safer to act, has smaller volume, and cannot damage the safety device when the exhaust pipe is installed.
Description
Technical field
The utility model relates generally to for the matching used fuel supply device of Motor Vehicle, and particularly relating to compressed natural gas (CNG) or compression hydrogen (CHG) is the automobile-use cylinder valve of fuel.
Background technique
Along with the demand of whole world modernization development to the energy constantly increases, and more and more higher to requirement on environmental protection, and CNG or CHG fuel rely on the demand of advantage in the energy source use field of its aboundresources and discharging environmental protection aspect to increase rapidly.Especially, be that the Motor Vehicle of fuel is more and more with CNG or CHG, its ratio shared in Motor Vehicle constantly increases.
Say technically, be used for the cylinder valve of gaseous fuel, all tiny leakage can be arranged along with the passing of service time.Before, for comparatively large-scale vehicle, as truck, bus etc., its air feeder generally all is positioned at the bottom, can directly be passed in the air from the gas of cylinder valve tiny leakage, and Security is higher.Yet for those pony car class vehicles, its fuel supply device generally all places in the reserve compartment, the less and sealing in space.So just make tiny leakage gas can be passed in this enclosed space, it is comparatively concentrated to distribute.So, in the vehicle driving process,, accidents caused easily if frictional impact is comparatively fierce or when Mars is arranged in the boot.
At this situation, existing in the market part cylinder valve has vent systems, with tiny leakage gas channeling car body outside.Yet in this type of cylinder valve, its safety installations all places within the exhaust passage.Safety installations is placed in the exhaust passage of cylinder valve and can brings following problem.One can make that like this exhaust passage becomes thick, and then the whole valve body volume is increased, and seems heavy and uneconomical.Its two, when being connected in or dismantling in gas exhaust piping in the exhaust passage with cylinder valve, safety installations can be easy to be bruised, even causes gas leakage, so operability is not good.Its three, can make safety installations can not in time respond to the unexpected variation of surrounding environment like this, as fire, high temperature etc., make that the pressure in the gas cylinder can not in time obtain discharging, therefore safety inadequately.Its four, even after safety installationss such as pressure or temperature are released, pressurized gas also can be assembled at pipeline, can not spread rapidly to come, this also becomes a potential safety hazard.
Summary of the invention
At above defective, the purpose of this utility model is, a kind of compact structure, safe and reliable automobile-use cylinder valve are provided.
For achieving the above object, the utility model provides a kind of automobile-use cylinder valve, comprising: valve body, this valve body comprise gas-entered passageway part and exhaust passage part, and gas-entered passageway partly is connected in gas cylinder, and the exhaust passage part is connected in gas exhaust piping; The valve that is used to make cylinder valve open or cut out opens/locking mechanism; And be arranged on safety installations in the valve body, it is characterized in that safety installations is arranged on the outside of exhaust passage part.
Preferably, valve open/locking mechanism comprise manual valve open/valve of locking mechanism and Electromagnetic Drive opens/in the locking mechanism at least one.
Preferably, safety installations comprises at least one in pressure releasing means and the high temperature protection device.
Preferably, valve body comprises a gas-entered passageway part and two exhaust passage parts.
Preferably, be provided with the tiny leakage gas discharge channel of mutual perforation in valve body, these channel connections are to gas exhaust piping.
Preferably, in valve body, be formed with the first passage that is communicated to the first tiny leakage air accumulation place,
Be formed with second channel and third channel respectively in the exhaust passage part of valve body, first passage is communicated to second and third channel.
Preferably, in valve body, be formed with four-way that is communicated to the second tiny leakage air accumulation place and the five-way road that is communicated to four-way, be formed with second channel and third channel respectively in the part of the exhaust passage of valve body, the five-way road is communicated to second and third channel.
Preferably, be formed with an intercommunicating pore that safety installations is connected mutually in valve body, this intercommunicating pore is communicated to the 3rd tiny leakage air accumulation place, and is communicated to four-way.
Preferably, first, second is sealed by Sealing with the 3rd tiny leakage air accumulation place.
Preferably, the exhaust passage part of valve body is provided with annular seal ring.
Main beneficial effect of the present utility model is as follows.
1) gas of tiny leakage can be specified gas exhaust piping by setting the path guiding, rather than directly leak in enclosed space such as reserve compartment or the car body, so Security promotes greatly.
2) because safety installations is external, be not contained within the exhaust passage, therefore sensitiveer to the reaction of accidents such as fire or storage pressure raise suddenly, move rapider, safer.
3) this cylinder valve volume is small and exquisite, therefore can save raw material, and easy for installation.
4) when installing or shirking gas exhaust piping, can avoid the safety installations of damaging.
The most important thing is that the user has improved the overall security of fuel system in the process of using this kind of valve, make that the cylinder valve purposes of this kind form is wider, effect is better.
Description of drawings
Fig. 1 is the whole vent systems runner schematic representation according to the utility model first embodiment's cylinder valve;
Fig. 2 is the vertical profile schematic representation of this cylinder valve;
Fig. 3 is the cross-sectional schematic representation of this cylinder valve;
Fig. 4 is the sectional view according to the utility model second embodiment's cylinder valve.
Embodiment
Fig. 1-Fig. 3 shows the cylinder valve according to the utility model first embodiment.As shown in the figure, this cylinder valve comprises that mainly valve body 21, manual valve open/locking mechanism 22 and safety installations 11,12.
Valve body 21 comprises a gas-entered passageway part 23 and two exhaust passage parts 24.Gas-entered passageway part 23 is connected in gas cylinder (not shown), and exhaust passage part 24 is connected in gas exhaust piping (not shown).Though it should be understood that and adopted two exhaust passage parts 24 in this embodiment, also can adopt one or more such exhaust passage part.
Manual valve opens/and locking mechanism 22 comprises handwheel 25 and mangetic core assembly 26.The operator can drive mangetic core assembly 26 as long as rotate handwheel 25 with hand, thereby makes cylinder valve open or close.
In the cylinder valve of prior art, safety installations is arranged on the inboard of exhaust passage part.Different therewith is that in the utility model, safety installations 11,12 is arranged on the outside of exhaust passage part 24.In this embodiment, safety installations 11 is pressure releasing meanss, is used under the situation of pressure overload pressurized gas being discharged, to protect gas cylinder not explode because of high pressure or to cause other accidents.Particularly, when the gas cylinder internal pressure reaches setting value, thereby rupture disk 14 will explosion make plastic screw 15 eject to realize that big flow pressure discharges.Safety installations 12 is high temperature protection devices, is used for discharging high-temperature gas in temperature above under the situation of setting value.Particularly, when temperature reached setting value in the gas cylinder, low melting alloy 16 can melt, and piston 17 is outwards ejected, thereby make high-temperature gas be released.The quantity that it should be understood that safety installations is not limited to two, also can be one or more.In addition, can select a kind of in high temperature or the high-voltage safety device as required for use.
In addition, specifically, in valve body 21, be provided with some the tiny leakage gas discharge channel that connect mutually, be used to guide tiny leakage gas to flow to external gas exhaust piping (not shown).
As shown in Figure 1, 2, between handwheel 25 and valve body 21, be formed with die cavity 8 (the first tiny leakage air accumulation place).In valve body 21, be formed with the first passage 3 that is communicated to die cavity 8, in the exhaust passage of valve body 21 part 24, be formed with the second channel 4 and the third channel 5 that are communicated to first passage 3 respectively.In handwheel 25 outer installment a little O type circle 6 is arranged, be provided with a big O type circle 7 in handwheel 25 and valve body 21 joints.Little O type circle 6 and big O type circle 7 can be airtight be lived the gas of die cavity 8 places from the spool tiny leakage, force it to be passed to second and third channel 4,5 by first passage 3.Arrow A among Fig. 1, B and C show the circulation path of tiny leakage gas this moment.
As shown in Figure 1, 2, the gas-entered passageway part 23 of cylinder valve is provided with a rubber seal 9, is formed with die cavity 10 (the second tiny leakage air accumulation place) between sealing circle 9 and valve body.In valve body 21, be formed with the four-way 1 that is communicated to die cavity 10 and be communicated to four-way 1 and second and the five-way road 2 of third channel 4,5.By the salable gas of living valve bodies 21 and gas cylinder joint tiny leakage of seal ring 9, promptly the gas in the die cavity 10 makes this strand gas go upward to five-way road 2 via four-way 1, flows to second and third channel 4,5 then, to reach the purpose of exhaust.Arrow D, E, B and C among Fig. 1 shows the circulation path of tiny leakage gas this moment.
As shown in Figure 3, being formed with 13, two safety installationss of an intercommunicating pore 11,12 in valve body 21 connects mutually by hole 13.Intercommunicating pore 13 is communicated to four-way 1 again.Two safety installationss 11,12 for example are installed on valve body 21 hermetically by sealer 18 and O type circle 19.So sealer 18 and O type circle 19 seal up the 3rd tiny leakage air accumulation place at safety installations place separately, make tiny leakage gas herein have only a path, that flows to four-way 1 via hole 13 exactly, and then enters the second and the 3rd exhaust passage 4,5 through five-way road 2.
In addition, this cylinder valve also has a special way to be that exhaust passage part 24 is provided with annular seal ring 20.So, both can dwindle the volume of valve body, reduce the weight of valve body, can pass through the outlet pipe of the size of change annular seal ring 20 again with adaptive different automobile types.The benefit of doing like this is that both economical (reducing valve weight, the economical with materials cost) (as long as change different annular seal rings with regard to applicable multiple outlet pipe, and do not need to change valve body) again flexibly.
Fig. 4 shows the cylinder valve according to the utility model second embodiment.Different with aforementioned first embodiment is, except manual valve open/locking mechanism 22, the valve that also is provided with the another one Electromagnetic Drive opens/locking mechanism 27.Therefore, the user can select for use mode manual or automatic (Electromagnetic Drive) to open or close cylinder valve as required.As shown in Figure 4, in this embodiment, be to lead to the exhaust passage by the other hole of two safety installationss, reach the purpose of exhaust.
Though abovely the utility model is described in detail in conjunction with preferred embodiment, should be appreciated that, be familiar with those of ordinary skill in the art and can on the basis of above-mentioned disclosure, make various variations that are equal to and change fully.For example, the quantity of tiny leakage passage and layout can also change as required; Also can adopt the electromagnetic type valve to open/locking mechanism separately, or the like.Therefore, protection domain of the present utility model should be limited by appended claims.
Claims (10)
1. automobile-use cylinder valve comprises: valve body, this valve body comprise gas-entered passageway part and exhaust passage part, and described gas-entered passageway partly is connected in gas cylinder, and described exhaust passage part is connected in gas exhaust piping; The valve that is used to make described cylinder valve open or cut out opens/locking mechanism; And be arranged on safety installations in the described valve body, it is characterized in that described safety installations is arranged on the outside of described exhaust passage part.
2. automobile-use cylinder valve as claimed in claim 1 is characterized in that, described valve opens/locking mechanism comprise manual valve open/valve of locking mechanism and Electromagnetic Drive opens/in the locking mechanism at least one.
3. automobile-use cylinder valve as claimed in claim 1 is characterized in that, described safety installations comprises at least one in pressure releasing means and the high temperature protection device.
4. automobile-use cylinder valve as claimed in claim 1 is characterized in that, described valve body comprises a gas-entered passageway part and two exhaust passage parts.
5. automobile-use cylinder valve as claimed in claim 4 is characterized in that, is provided with the tiny leakage gas discharge channel of mutual perforation in described valve body, and these channel connections are to described gas exhaust piping.
6. automobile-use cylinder valve as claimed in claim 5, it is characterized in that, in described valve body, be formed with the first passage that is communicated to the first tiny leakage air accumulation place, be formed with second channel and third channel respectively in the part of the exhaust passage of described valve body, described first passage is communicated to described second and third channel.
7. automobile-use cylinder valve as claimed in claim 5, it is characterized in that, in described valve body, be formed with four-way that is communicated to the second tiny leakage air accumulation place and the five-way road that is communicated to four-way, be formed with second channel and third channel respectively in the part of the exhaust passage of described valve body, described five-way road is communicated to described second and third channel.
8. automobile-use cylinder valve as claimed in claim 7 is characterized in that, is formed with an intercommunicating pore that safety installations is connected mutually in described valve body, and this intercommunicating pore is communicated to the 3rd tiny leakage air accumulation place, and is communicated to described four-way.
9. as each described automobile-use cylinder valve among the claim 6-8, it is characterized in that described first, second sealed with Sealing with the 3rd tiny leakage air accumulation place.
10. automobile-use cylinder valve as claimed in claim 1 is characterized in that, the exhaust passage part of described valve body is provided with annular seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200752615U CN201080866Y (en) | 2007-09-29 | 2007-09-29 | Gas cylinder valve for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200752615U CN201080866Y (en) | 2007-09-29 | 2007-09-29 | Gas cylinder valve for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080866Y true CN201080866Y (en) | 2008-07-02 |
Family
ID=39614539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200752615U Expired - Lifetime CN201080866Y (en) | 2007-09-29 | 2007-09-29 | Gas cylinder valve for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080866Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398289A (en) * | 2013-08-07 | 2013-11-20 | 北京天海工业有限公司 | Multifunctional valve box |
| CN103423491A (en) * | 2012-05-16 | 2013-12-04 | 罗达莱克斯阀门(上海)有限公司 | Cylinder valve and motor vehicle with same |
| CN106122753A (en) * | 2016-07-22 | 2016-11-16 | 天津良华新能源科技有限公司 | A kind of intelligence anti-gas-leak fluid pressure type CNG gas cylinder |
-
2007
- 2007-09-29 CN CNU2007200752615U patent/CN201080866Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423491A (en) * | 2012-05-16 | 2013-12-04 | 罗达莱克斯阀门(上海)有限公司 | Cylinder valve and motor vehicle with same |
| CN103398289A (en) * | 2013-08-07 | 2013-11-20 | 北京天海工业有限公司 | Multifunctional valve box |
| CN106122753A (en) * | 2016-07-22 | 2016-11-16 | 天津良华新能源科技有限公司 | A kind of intelligence anti-gas-leak fluid pressure type CNG gas cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080702 |
|
| CX01 | Expiry of patent term |