CN2360624Y - Automotive L. P. G. device - Google Patents
Automotive L. P. G. device Download PDFInfo
- Publication number
- CN2360624Y CN2360624Y CN99203644.5U CN99203644U CN2360624Y CN 2360624 Y CN2360624 Y CN 2360624Y CN 99203644 U CN99203644 U CN 99203644U CN 2360624 Y CN2360624 Y CN 2360624Y
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- CN
- China
- Prior art keywords
- valve
- cylinder
- vacuum
- chamber
- plunger
- 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 - Fee Related
Links
- 239000007789 gas Substances 0.000 claims abstract description 39
- 239000003915 liquefied petroleum gas Substances 0.000 claims abstract description 22
- 230000006837 decompression Effects 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 4
- 239000002808 molecular sieve Substances 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 239000003502 gasoline Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001932 seasonal effect Effects 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
本实用新型属于汽车发动机使用的液化石油气装置,特别是汽车用液化石油气装置,固接在汽车上的加热底座上安装着煤气钢瓶,在钢瓶嘴上安装着减压阀和安全阀,在其出口管路上安装着电磁阀和减压配气装置,减压配气装置可以是真空执行机构通过齿条和齿轮控制的柱塞控制阀,也可以是具有减压膜片室和真空膜片室通过杠杆控制阀门开合的二级减压配气阀。其结构简单,成本低,易于推广,煤气瓶在民用换气点就可换气,使用安全可靠。
The utility model belongs to a liquefied petroleum gas device used by an automobile engine, in particular to a liquefied petroleum gas device for an automobile. A gas steel cylinder is installed on a heating base fixedly connected to the automobile, and a pressure reducing valve and a safety valve are installed on the mouth of the steel cylinder. The outlet pipeline is equipped with a solenoid valve and a decompression gas distribution device. The decompression gas distribution device can be a plunger control valve controlled by a vacuum actuator through a rack and a gear, or it can be a valve with a decompression diaphragm chamber and a vacuum diaphragm. The chamber controls the opening and closing of the two-stage decompression gas distribution valve through a lever. The utility model has the advantages of simple structure, low cost and easy popularization, and the gas cylinder can be ventilated at civilian ventilating points, and is safe and reliable in use.
Description
The utility model relates to a kind of liquefied petroleum gas set, particularly automobile liquefied petroleum gas set that can do the motor car engine use of fuel with liquefied petroleum gas (LPG).
In order to alleviate the pollution of motor vehicle emission to environment, progressively become both can be fuel at present with gasoline in the automobile improvement of promoting using single gasoline as fuel, can with liquefied petroleum gas (LPG) the dual-fuel automobile of fuel again, the special-purpose gas cylinder of general employing, rely on the decompression of second depressurized valve, use through post-decompression liquid gas access to engine.Its deficiency is that equipment is complicated, the manufacture cost height, and the vehicle starting difficulty in addition, needs to build special-purpose gas station aerating in the winter time, could guarantee the normal operation of vehicle.
The purpose of this utility model is to provide a kind of automobile liquefied petroleum gas set, not only device structure is simple, low cost of manufacture, automobile also can start easily in the winter time, and do not need special gas cylinder, use existing domestic gas steel cylinder, just can take a breath at existing town gas station, air feed point, safe and reliable.
The utility model is achieved in that a kind of automobile liquefied petroleum gas set, comprise gas cylinder, be fixed in the heated base on the automobile, fixedly mounting horizontally-arranged gas cylinder thereon, filtering pressure reducing valve and safety valve are installed on the steel cylinder mouth, on the pipeline of filtering pressure reducing valve outlet, solenoid valve is installed, the decompression air distributing device is installed on the pipeline of electromagnetic valve outlet, the decompression air distributing device can be a vacuum actuator by the plunger control valve of rack and pinion control, also can be to have decompression diaphragm chamber and the vacuum diaphragm chamber second depressurized distributing valve by the folding of lever control valve.
During the utility model work, owing to feed the cooling hot water in the engine cylinder-body in the heated base, hot water is by the horizontally-arranged gas cylinder on heated base of heated base heating, adjusting by duct thermostat is controlled in the specified temperature range temperature of heating gas cylinder, to adapt to motor at the Various Seasonal requirements of one's work.Use as safe as a housely, if something unexpected happened, meet high temperature when making pressure rising overrate in the heating gas cylinder, safety valve is opened automatically, and gas leak can not blasted.Liquid gas by the filtering pressure reducing valve decompression enters the decompression air distributing device through solenoid valve, the decompression air distributing device is plunger control valve and vacuum actuator, the air demand of plunger control valve is to be determined by the degree of vacuum that motor produces, the air demand of plunger control valve is positioned at opening state, after solenoid valve is opened, motor just can start, and keep idling and in, the air feed open amount of low speed, when needs quicken, because in-engine degree of vacuum improves, and is rotated by the gear on the rack drives plunger control valve of vacuum actuator, along with the increase of angle of rotation, plunger control valve air feed duct also increases thereupon, air demand increases, and the rotating speed of motor is improved, when needs slow down, throttle comes loose, the degree of vacuum of vacuum line reduces, and vacuum actuator is return under the effect of spring, and the air demand duct of plunger control valve is reduced, air demand reduces, and engine speed reduces.When the decompression air distributing device is the decompression distributing valve; liquid gas enters the one-level underpressure chamber of decompression distributing valve; the suction valve of one-level underpressure chamber often leaves; liquid gas enters the second depressurized chamber from intake valve port; vaporizer by motor car engine makes engine running; when automobile quickens or loads increase; the degree of vacuum of vaporizer also increases; the degree of vacuum of the vacuum chamber that is communicated with vaporizer by pipeline increases; under the effect of degree of vacuum; the vacuum diaphragm is compressed; drive secondary pressure regulation lever and open the secondary pressure regulating valve; gas enters the secondary surge-chamber, satisfies the combustion gas needs that motor quickened or increased load, when entering the gas pressure overrate of a surge-chamber; air pressure in the one-level surge-chamber forces the diaphragm of decompression diaphragm chamber to drive switch lever and moves together; make valve and intake valve port closure on the switch lever the other end, make the one-level surge-chamber stop air inlet, played the effect of overvoltage protection.
Because what gas cylinder was derived is gas, even liquid gas also can gasify in the time of-40 ℃, so this device also can make motor car engine start easily in the winter time.The utility model uses the domestic gas steel cylinder just can take a breath at existing town gas station, do not need to build special gas station, and also safe and reliable.
Fig. 1 is the utility model embodiment 1 a structural representation
Fig. 2 is the utility model embodiment 2 a structural representation
Fig. 3 is the assembly structure schematic representation of gas cylinder and filtering pressure reducing valve
Fig. 4 is the cross-sectional schematic of plunger control valve and vacuum column piston cylinder
Fig. 5 is the A-A sectional view of plunger control valve
Fig. 6 is the cross-sectional schematic of second depressurized distributing valve
Fig. 7 is the heated base structural representation
Below in conjunction with accompanying drawing the utility model is further described, a kind of automobile liquefied petroleum gas set, as shown in Figure 1, comprise gas cylinder 2, be fixedly connected on the heated base 1 on the car body of deck, fixedly mounting horizontally-arranged gas cylinder 2 thereon, as shown in Figure 7, the enclosing housing that heated base 1 is made of double-layer plate with spill arc surface, the cylndrical surface of the arc surface of heated base 1 and gas cylinder 2 matches, water intake 49 and the water outlet 47 that temp controller 48 is installed is being set on the top of heated base 1, the dewatering outlet 50 that has valve is being set in the bottom of heated base 1, upper end portion in heated base 1 arc surface one side is installed with rubber anchor ear 46, and the link 52 of rubber anchor ear 46 ends matches with the hook 51 of heated base 1 arc surface end side setting, utilizes rubber anchor ear 46 that horizontally-arranged gas cylinder 2 on heated base 1 is fixing, both safety, can satisfy the requirement of work again, be convenient to simultaneously installation and removal again, for changing the coal gas condition of providing convenience.Filtering pressure reducing valve 3 and safety valve 9 are installed on steel cylinder 2 mouths, on the pipeline of filtering pressure reducing valve 3 outlets, solenoid valve 4 is installed, filtering pressure reducing valve 3 is an angle valve, as shown in Figure 3, in the conduit of on the dihedral valve port, installing 12 filtrating equipment 13 is being set by handwheel knob 14, filtrating equipment 13 is the desulfurization molecular sieve, dry molecular sieves and filter screen, the purified solution gasification, to reduce the corrosion of liquid gas to cylinder body, the gas that assurance enters cylinder body is pure, increase the service life, after handwheel knob 14 is tightened with the dihedral valve port, jump ring or cotter pin are with 14 lockings of handwheel knob, prevent that handwheel knob 14 from being shaken loosening the deflation, be the one-level vent in the outlet of the top of conduit 12, the outer end of filtering pressure reducing valve 3 is installed with the handwheel 15 of control spool 16, the jointing of its underpart is installed with safety valve 9, the outlet pipe of safety valve 9 leads to outside the car body, the air pipe 11 that stretches in the steel cylinder 2 also is installed in the steel cylinder mouth, air pipe 11 is bent upwards, its end mouth of pipe is curved downwards, and is loosening for preventing the angle valve on the steel cylinder 2, also fastening with the mighty bond sealing wire during installation; On the pipeline of reduction valve 3 outlets, solenoid valve 4 is installed, vacuum actuator 8 is being installed by the gear 7 on the plunger control valve 5 of tooth bar 6 controls on the pipeline of solenoid valve 4 outlets, the air outlet channel of plunger control valve 5 is communicated with the intake duct of motor, as shown in Figure 5, plunger control valve 5 is provided with the air inlet blind hole for the end face center plunger 17 matches with cylinder 18, plunger 17 the other ends stretch out cylinder 18 outer interlinking lever ends gear 7 are installed, it is identical with the air inlet blind hole of plunger 17 that the Closed End center of cylinder 18 is provided with through hole, radially be provided with side by side a macropore 23 and an aperture road 24 at plunger 17, macropore 23 and aperture road 24 are communicated with the air inlet blind hole respectively, and match with air outlet hole that cylinder 18 radially is provided with, the connecting rod of plunger 17 matches with the center hole of the capping 19 of cylinder 18; Vacuum actuator 8 is for having the vacuum cylinder of push rod, and the piston 20 that tooth bar 6 is installed on piston push rod matches with vacuum cylinder 21, and vacuum cylinder 21 interior sides that are connected with vacuum line are equipped with the spring 22 of control piston 20; The air demand of plunger control valve 5 is positioned at the position that the aperture road 24 of plunger 17 communicates with the air outlet hole of cylinder 18, keep engine idle and in, the air demand of low speed, when needs quicken, because in-engine degree of vacuum improves, by vacuum line piston 20 adhesives in the vacuum cylinder 21 are inwardly shunk, piston 20 rotates by the gear 7 that tooth bar 6 drives plunger control valve 5, the macropore 23 of plunger 17 is communicated with the air outlet hole of cylinder 18, air demand increases, the rotating speed of motor is improved, when needs slow down, the throttle that comes loose, the degree of vacuum of vacuum line reduces, spring 22 in the vacuum cylinder 21 forces piston 20 to drive tooth bar 6 returns, the aperture road 24 of gear 7 rotary pistons 17 is communicated with the air outlet hole of cylinder 18, air demand is reduced, the rotating speed of motor reduces; Second depressurized distributing valve 10 is provided with intake duct 32 for comprising as shown in Figure 6, the one-level underpressure chamber 34 of air outlet channel 44 and second depressurized chamber 45, and vacuum chamber 26 and heating chamber 40, pressure loading valve of normal opened type is housed in one-level underpressure chamber 34, lever 35 heads that once reduce pressure are tip-tilted to be colluded the plunger valve 33 that the arm dumpling connects and matches with the valve seat of intake duct 32, once the reduce pressure lower end of lever 35 heads is hinged on the valve body, once the reduce pressure rear portion of lever 35 is bent downwardly, the link arm 38 that is fixed together with the diaphragm 39 of spring 36 control, through hole on it matches with the curved boom of lever 35, and spring 36 matches with the pressure-adjusting screw 37 that mounts elastically.The interior required liquefied petroleum tolerance difference of motor unit time that is used for different air displacemenies, when being used for large-duty engine, need increase system air demand, tune whole screw 37 downwards, spring 36 pretightening forces on the diaphragm 39 are strengthened, the liquefied petroleum gas (LPG) that enters a underpressure chamber 34 must reach higher pressure, just can overcome the pressure of diaphragm 39 upper springs 36 and closes pressure loading valve one time, and the tolerance that enters second depressurized chamber 45 is increased.For the motor of little discharge capacity, adjusting method is opposite.Being provided with idling and middling speed between the firsts and seconds underpressure chamber often opens air supply duct 42 and quickens big air demand passage 41, on the big air demand passage 41 of second depressurized chamber, Normally closed type secondary pressure loading valve is installed, be hinged on two bearings 25, composite lever 27 1 ends that the middle part is hinged are installed with the conical valve 43 that matches with conical valve seat, the vacuum diaphragm 31 of its other end and spring 30 controls links together, end at vacuum chamber 26 is equipped with controlling device, controlling device is for being equipped with Regulation spring 30 in the hollow cylinder chamber of regulating bolt 29, at the top of regulating bolt 29 plug 28 is housed, regulate the size of secondary pressure loading valve cracking pressure by the degree of depth of regulating bolt 29 precession vacuum chambers 26, to satisfy the needs of engine gas, between one-level underpressure chamber 34 and second depressurized chamber 45, also be provided with the heating chamber 40 that is communicated with the hot water pipe.
Claims (8)
1. automobile liquefied petroleum gas set, comprise gas cylinder (2), it is characterized in that being fixed in the heated base (1) on the automobile, fixedly mounting horizontally-arranged gas cylinder (2) thereon, filtering pressure reducing valve (3) and safety valve (9) are installed on steel cylinder (2) mouth, on the pipeline of filtering pressure reducing valve (3) outlet, solenoid valve (4) is installed, on the pipeline of solenoid valve (4) outlet, the decompression air distributing device is installed, the decompression air distributing device can be a vacuum actuator (8) by the plunger control valve (5) of tooth bar (6) and gear (7) control, also can be to have the second depressurized distributing valve (10) that decompression diaphragm chamber and vacuum diaphragm chamber pass through the folding of lever control valve.
2. automobile liquefied petroleum gas set according to claim 1, it is characterized in that the enclosing housing that heated base (1) is made of double-layer plate with spill arc surface, the cylndrical surface of the arc surface of heated base (1) and gas cylinder (2) matches, water intake (49) and the water outlet (47) that temp controller (48) are installed is being set on the top of its heated base (1), in its bottom the dewatering outlet (50) that has valve is being set, upper end portion in heated base (1) arc surface one side is installed with rubber anchor ear (46), and the link (52) of rubber anchor ear (46) end matches with the hook (51) that heated base (1) arc surface end side is provided with.
3. automobile liquefied petroleum gas set according to claim 1, it is characterized in that filtering pressure reducing valve (3) is an angle valve, in the conduit of on the dihedral valve port, installing (12) filtrating equipment (13) is being set by handwheel knob (14), filtrating equipment (13) is the desulfurization molecular sieve, dry molecular sieves and filter screen, after handwheel knob (14) is tightened with the dihedral valve port, jump ring or cotter pin lock handwheel knob (14), be the one-level vent in the outlet of the top of conduit (12), the outer end of filtering pressure reducing valve (3) is installed with the handwheel (15) of control spool (16), and the jointing of its underpart is installed with safety valve (9).
4. automobile liquefied petroleum gas set according to claim 1 is characterized in that also being installed with the air pipe (11) that stretches in the steel cylinder (2) in the steel cylinder mouth, air pipe (11) is bent upwards, and its end mouth of pipe is curved downwards.
5. automobile liquefied petroleum gas set according to claim 1, it is characterized in that plunger control valve (5) is provided with the air inlet blind hole for the end face center plunger (17) matches with cylinder (18), plunger (17) the other end stretches out the outer interlinking lever end of cylinder (18) gear (7) is installed, it is identical with the air inlet blind hole of plunger (17) that the Closed End center of cylinder (18) is provided with through hole, radially be provided with side by side a macropore (23) and a little duct (24) at plunger (17), macropore (23) and little duct (24) are communicated with the air inlet blind hole respectively, and match with air outlet hole that cylinder (18) radially is provided with, the connecting rod of plunger (17) matches with the center hole of the capping (19) of cylinder (18).
6. automobile liquefied petroleum gas set according to claim 1, it is characterized in that vacuum actuator (8) is for having the vacuum cylinder of push rod, the piston (20) that tooth bar (7) are installed on piston push rod matches with vacuum cylinder (21), and the interior side of vacuum cylinder (21) that is connected with vacuum line is equipped with the spring (22) of control piston (20).
7. automobile liquefied petroleum gas set according to claim 1, it is characterized in that second depressurized distributing valve (10) is provided with intake duct (32) for comprising, the one-level underpressure chamber (34) of air outlet channel (44) and second depressurized chamber (45), and vacuum chamber (26) and heating chamber (40), pressure loading valve of normal opened type is housed in one-level underpressure chamber (34), the tip-tilted hinged plunger valve of arm (33) that colludes of lever (35) head that once reduces pressure matches with the valve seat of intake duct (32), the lower end dumpling of lever (35) head is connected on the valve body, the rear portion of lever (35) is bent downwardly, the link arm (38) that is fixed together with the diaphragm (39) of spring (36) control, through hole on it matches with the curved boom of lever (35), spring (36) matches with the pressure-adjusting screw that mounts elastically (37), being provided with idling and middling speed between the firsts and seconds underpressure chamber often opens air supply duct (42) and quickens big air demand passage (41), on the passage (41) of second depressurized chamber, Normally closed type secondary pressure loading valve is installed, be hinged on two bearings (25), composite lever (27) one ends that the middle part is hinged are installed with the conical valve (43) that matches with conical valve seat, the vacuum diaphragm (31) of its other end and spring (30) control links together, and in the end of vacuum chamber (26) controlling device is installed.
8. automobile liquefied petroleum gas set according to claim 1 is characterized in that controlling device is in the hollow cylinder chamber of regulating bolt (29) Regulation spring (30) to be housed, and is equipped with plug (28) at the top of regulating bolt (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99203644.5U CN2360624Y (en) | 1999-02-12 | 1999-02-12 | Automotive L. P. G. device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99203644.5U CN2360624Y (en) | 1999-02-12 | 1999-02-12 | Automotive L. P. G. device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2360624Y true CN2360624Y (en) | 2000-01-26 |
Family
ID=33998690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99203644.5U Expired - Fee Related CN2360624Y (en) | 1999-02-12 | 1999-02-12 | Automotive L. P. G. device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2360624Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326667C (en) * | 2005-07-26 | 2007-07-18 | 安阳市贞元（集团）有限责任公司 | Quick replacing device for liquefied gas steel cylinder of automobile |
| CN100402916C (en) * | 2005-12-02 | 2008-07-16 | 马磊 | Gas filling method by replacing cylinder for automobile with compressed natural gas as fuel and apparatus therefor |
| CN110962875A (en) * | 2019-12-19 | 2020-04-07 | 吕志斌 | Anti-closing device and anti-closing method for angle cock of train |
-
1999
- 1999-02-12 CN CN99203644.5U patent/CN2360624Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326667C (en) * | 2005-07-26 | 2007-07-18 | 安阳市贞元（集团）有限责任公司 | Quick replacing device for liquefied gas steel cylinder of automobile |
| CN100402916C (en) * | 2005-12-02 | 2008-07-16 | 马磊 | Gas filling method by replacing cylinder for automobile with compressed natural gas as fuel and apparatus therefor |
| CN110962875A (en) * | 2019-12-19 | 2020-04-07 | 吕志斌 | Anti-closing device and anti-closing method for angle cock of train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |