CN2321947Y - Gaseous pressure-reducing regulator for car engine - Google Patents

Gaseous pressure-reducing regulator for car engine Download PDF

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Publication number
CN2321947Y
CN2321947Y CN 97210103 CN97210103U CN2321947Y CN 2321947 Y CN2321947 Y CN 2321947Y CN 97210103 CN97210103 CN 97210103 CN 97210103 U CN97210103 U CN 97210103U CN 2321947 Y CN2321947 Y CN 2321947Y
Authority
CN
China
Prior art keywords
chamber
car engine
underpressure
pole
pressure
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
Application number
CN 97210103
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Chinese (zh)
Inventor
林启寿
朱延民
李建
汪凯
陈伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Natural Gas Car Development Centre Nanchong Machinery Factory Sichuan Petroleu
Original Assignee
Natural Gas Car Development Centre Nanchong Machinery Factory Sichuan Petroleu
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Natural Gas Car Development Centre Nanchong Machinery Factory Sichuan Petroleu filed Critical Natural Gas Car Development Centre Nanchong Machinery Factory Sichuan Petroleu
Priority to CN 97210103 priority Critical patent/CN2321947Y/en
Application granted granted Critical
Publication of CN2321947Y publication Critical patent/CN2321947Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a gaseous pressure-reducing regulator for a car engine, comprising three mutually communicated pressure-reducing rooms which form a stepped pressure regulating apparatus. Each of the pressure-reducing rooms forms an automatic pressure-reducing apparatus which is composed of an elastic membrance, a spring, a connecting pin, a bearing rod, a draw rod, and regulating screws (posts). The utility model has the advantages of reasonable design, simple structure, stable performance proved by practical test, convenient operation, being an ideal gaseous pressure-reducing regulator for a car engine.

Description

Motor car engine combustion gas pressure reducing regulator
The utility model relates to a kind of combustion engine control, particularly a kind of gas combustion automobile engine gas pressure reducing regulator.
Because petroleum resources are fewer and feweri, petrol and diesel oil holds at high price, and its environmental pollution is on the rise in addition.Thereby many entity and individual seek actively that other energy substitutes vapour, diesel oil is made energy source of car, and obtain the extremely people's welcome of certain progress, especially gas combustion automobile.But make the needs that medium and long distance is moved because the combustion gas volume is big, be difficult to adapt to automobile without high pressure compressed, and the directly steam supply car engine use of compression back high-pressure gas, need a gas regulating device, present gas regulating device is comparatively complicated, the driver is difficult for grasping, and rate of fault is also higher.There is following defective in the controlling device of this structure, and the one, gas flow is difficult to precise control, the air demand instability, the 2nd, be difficult to adapt to motor car engine different requirement of air feed demand under different working conditions.
The purpose of this utility model is to overcome the deficiencies in the prior art, provides that a kind of simple in structure, air feed is stable, driver's operation is convenient, and can adapt to the motor car engine combustion gas pressure reducing regulator of motor car engine air feed demand under different working conditions automatically.
The purpose of this utility model realizes by following technical proposals:
The stepped voltage regulation device that design is connected by three underpressure chamber, each underpressure chamber is separated into air chamber and conditioning chamber by flexible sheet, one, the corresponding locular wall of secondary conditioning chamber and elastic membrane (lid) is affixed with spring one end, the other end of spring and elastic gum diaphragm middle part are affixed, the one-level air inlet of air chamber is provided with spool, each suction port position, underpressure chamber is provided with adjusting screw or double-screw bolt, stud end is provided with rubber cushion, adjusting screw or double-screw bolt link to each other with pole one end, the pole the other end and connecting pin one end are hinged, the connecting pin the other end and elastic gum diaphragm are affixed, thereby the pole middle part is with locular wall or by pull bar and the hinged formation of locular wall lever construction, three grades of underpressure chamber locular walls are provided with adjusting knob, regulate knob and touch mutually with the pole end by stage clip.
The other gas storage chamber of setting up of the air chamber of second depressurized chamber.
The outside, underpressure chamber is provided with the hot water road.
The suction port position of three grades of underpressure chamber is provided with breach, need be for the needs of a small amount of combustion gas when satisfying auto idle speed.
The utility model is to adopt the design of classification Principles of Regulation, simple in structure, be convenient to operation, when the suction port of one-level surge-chamber does not feed pressurized gas by suction port, under the effect of pressure spring, film is moved downward, drive the lever rotation and make adjusting screw and valve port keep certain interval, valve port is in normally open, when feeding pressurized gas, the pressure of underpressure chamber progressively increases, when reaching specified delivery pressure, the pressure that gas acts on the diaphragm below overcomes the elastic force of spring, makes upwards action of diaphragm, rotate thereby drive lever, make inlet close.When the gas of underpressure chamber after the output of second depressurized chamber, pressure drops to below the specified delivery pressure, under the effect of pressure spring, make one-level chamber air inlet open again, so repeatedly, make the one-level underpressure chamber on the basis of dependable flow, outlet pressure guarantees that in a number range, second depressurized chamber design principle is identical with the one-level underpressure chamber.The working principle of three grades of underpressure chamber is identical with preceding two-stage decompression chamber principle, only be that it does not want spring, but by after the engine operation, the 3rd underpressure chamber forms a negative pressure, and the elastic gum diaphragm is moved upward, and drives lever, make air inlet open, and reaching a quota when being worth when pressure, the elasticity glued membrane moves downward, and makes inlet close.Under the suction port normal condition of three grades of underpressure chamber is normally closed, needs a small amount of fuel gas supply when satisfying auto idle speed, is provided with breach on suction port.Owing to pressurized gas rapid decompression meeting heat absorption produces the phenomenon of freezing, for overcoming this problem, the utility model is other in the underpressure chamber has established a hot water channel, and one-level underpressure chamber suction port links to each other with high-pressure air source during use, and the air outlet of three grades of underpressure chamber links to each other with the fuel air mouth of motor car engine.
From above-mentioned situation as can be known, the purpose of this utility model can realize.Through the reality test, the one-level underpressure chamber is kept to 0.4-0.5MPa with 20MPa gas, and the second depressurized chamber is very stable with the gas decompression for 0.01-0.045MPa.
Accompanying drawing and drawing are described as follows:
Fig. 1 is the utility model structure cut-away view.
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings below:
As shown in Figure 1, design is by suction tude, leverage component, flexible sheet, spring, three three grades of decompressors that are interconnected that the underpressure chamber constitutes, its concrete structure is that high-pressure gas pipe and one-level underpressure chamber connection part are provided with a spool 1, the underpressure chamber is made of loam cake 3 and locular wall 2, the underpressure chamber is separated into two not connected conditioning chambers 5 and air chamber 6 by flexible sheet 4, be provided with spring 7 in the conditioning chamber, spring 7 upper ends and loam cake 3 are affixed, lower end and flexible sheet are affixed, said spring is pressure spring or torsion spring, present embodiment is selected pressure spring for use, be provided with an adjusting screw 8 at the relative position of spool, adjusting screw and pole 9 one ends are affixed, pole 9 the other ends and connecting pin 11 1 ends are hinged, the connecting pin the other end and flexible sheet are affixed, for preventing the elastic membrane breakage, increase its working life, be convenient to be connected with connecting pin with spring, its two sides is equipped with diaphragm pressing plate 17, the pole middle part is connected with pull bar 10 1 ends, the decompression locular wall that the pull bar the other end is relative with flexible sheet is hinged, establishes a projection certainly and directly with in the middle part of the pole hingedly also can reach effect same on locular wall.The air outlet of one-level underpressure chamber links to each other with the second depressurized chamber, the second depressurized cell structure is identical with the one-level underpressure chamber, and air outlet, one-level underpressure chamber is second depressurized chamber suction port, and oral area is provided with rubber cushion 12, also rubber cushion can be located at the top of regulating double-screw bolt 14, present embodiment is selected the latter for use.On the corresponding position of suction port, be provided with and regulate double-screw bolt 14, in order to regulate the openness size and the switching of suction port, regulating double-screw bolt links to each other with pole, the pole middle part is hinged with the second depressurized locular wall, pole end and connecting pin one end are hinged, the connecting pin the other end is affixed with the flexible sheet middle part that the second depressurized chamber is separated into air chamber and conditioning chamber, the flexible sheet both sides are provided with the diaphragm pressing plate, the flexible sheet middle part is affixed with an end of spring, the other end and the locular wall of spring are affixed, in order to increase gas-storing capacity, guarantee continuously to supply with pressure-stabilized air source to three grades of underpressure chamber, the other gas storage chamber 13 of setting up in second depressurized chamber, the big or small visual automobile engine type design of gas storage chamber.The air outlet of second depressurized chamber communicates with three grades of underpressure chamber, be the suction port of three grades of underpressure chamber, on air inlet oral area corresponding position, be provided with the adjusting double-screw bolt, the double-screw bolt top does not have rubber cushion, regulating double-screw bolt links to each other with pole one end, the pole middle part is hinged with locular wall, pole the other end and connecting pin one end are hinged, the connecting pin the other end and the flexible sheet Joint that three grades of underpressure chamber is separated into air chamber and conditioning chamber, both sides, flexible sheet middle part are provided with the diaphragm pressing plate, the conditioning chamber of three grades of underpressure chamber communicates with atmosphere, on the locular wall of three grades of underpressure chamber, be provided with one and regulate turn-knob 15, regulating turn-knob links to each other with pole one end by stage clip 16, need a small amount of fuel gas supply when satisfying auto idle speed, to be provided with breach on suction port, to take place because of pressurized gas rapid decompression heat absorption causes the situation of freezing in order preventing in addition, present embodiment is provided with hot water channel 18 on the side, underpressure chamber and links to each other with automobile cooling water pipe.

Claims (4)

1, a kind of motor car engine combustion gas pressure reducing regulator, comprise suction tude, controlling device and steam outlet pipe constitute, it is characterized in that the stepped voltage regulation structure that controlling device is interconnected and is constituted by three underpressure chamber, each underpressure chamber is separated into air chamber and conditioning chamber by flexible sheet, one, corresponding locular wall of secondary conditioning chamber and flexible sheet and spring one end are affixed, the other end of spring and elastic gum diaphragm middle part are affixed, one-level conditioning chamber air inlet of air chamber is provided with spool, each suction port position, underpressure chamber is provided with adjusting screw or double-screw bolt, the double-screw bolt top is provided with rubber cushion, adjusting screw or double-screw bolt link to each other with pole one end, the pole the other end and connecting pin one end are hinged, the connecting pin the other end and elastic gum diaphragm are affixed, the pole middle part is with locular wall or by pull bar and the hinged formation lever construction of locular wall, three grades of underpressure chamber locular walls are provided with adjusting knob, regulate knob and touch mutually with the pole end by stage clip.
2,, it is characterized in that the other gas storage chamber of setting up of air chamber of second depressurized chamber according to right 1 said a kind of motor car engine combustion gas pressure reducing regulator.
3, according to right 1 said a kind of motor car engine combustion gas pressure reducing regulator, it is characterized in that the outside, underpressure chamber is provided with the hot water channel.
4, according to right 1 said a kind of motor car engine combustion gas pressure reducing regulator, it is characterized in that the suction port position of three grades of underpressure chamber is provided with breach.
CN 97210103 1997-04-09 1997-04-09 Gaseous pressure-reducing regulator for car engine Expired - Fee Related CN2321947Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97210103 CN2321947Y (en) 1997-04-09 1997-04-09 Gaseous pressure-reducing regulator for car engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 97210103 CN2321947Y (en) 1997-04-09 1997-04-09 Gaseous pressure-reducing regulator for car engine

Publications (1)

Publication Number Publication Date
CN2321947Y true CN2321947Y (en) 1999-06-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97210103 Expired - Fee Related CN2321947Y (en) 1997-04-09 1997-04-09 Gaseous pressure-reducing regulator for car engine

Country Status (1)

Country Link
CN (1) CN2321947Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011018036A1 (en) * 2009-08-12 2011-02-17 中原特种车辆有限公司 Pressure reducing system for fuel gas and natural gas dewaxing vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011018036A1 (en) * 2009-08-12 2011-02-17 中原特种车辆有限公司 Pressure reducing system for fuel gas and natural gas dewaxing vehicle

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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