CN201246236Y

CN201246236Y - Automobile natural gas engine gas-saving power regulation valve

Info

Publication number: CN201246236Y
Application number: CNU2008203018308U
Authority: CN
Inventors: 李平原
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-15
Filing date: 2008-08-15
Publication date: 2009-05-27
Anticipated expiration: 2018-08-15

Abstract

The utility model relates to a power adjusting device for a natural gas engine of an automobile, in particular to a throttling power adjusting valve for the natural gas engine of the automobile. The power adjusting valve comprises a valve body, a bushing, a hollow throat and door spindles; an air outlet is formed at the upper end of the valve body; the inner side of the right end of the valve body is fixedly connected with the outer side of the left end of the hollow throat together; the inner side of the left end of the valve body is fixedly connected with the outer side of the right end of the bushing together; a boss is arranged at the right end of the bushing; a through hole communicated with the inner cavity of the bushing is formed on the boss; door spindles moving horizontally are arranged in the inner cavities of the bushing, the valve body and hollow throat; the left ends of the door spindles pass through the through hole on the boss and extend out of the bushing; door spindle seats propped against the boss are mounted at the left ends of the door spindles; and a hollow throat valve is fixedly mounted at the right ends of the door spindles. The utility model has the advantages of reasonable and compact structure and convenient use, and can adjust air inflow at any time with the different opening of a throttle valve, so as to enable mixed gas to achieve optimum suitable quantity, thereby saving fuel gas. Therefore, the throttling rate reaches 10 to 20 percent.

Description

Automotive natural gas engine throttle power adjustments valve

One, technical field

The utility model relates to automotive natural gas engine power controlling device, is a kind of automotive natural gas engine throttle power adjustments valve.

Two, background technique

At present, at the open loop control gas combustion automobile of Carburetor automobile repacking and the automobile of single burning combustion gas, be to realize the gasoline air mixture ratio adjusting by the installation power modulating valve, because the sectional area of the air passageways of Carburetor is constant, adjustment screw by precession or back-out power adjustments valve, regulate the cross-section area of blast tube, then can reach the purpose of regulating combustion gas and the ratio of air in the mixer, realize mating with engine power; But under steam, particularly increase along with loading at medium and small load, the mixed gas that motor requires should be thinning gradually between throttle opening 0 percent is to 75 percent, mixed gas thickens between a hundred per cent gradually at throttle opening 75 percent, therefore need adjust the ratio of mixed gas at any time.Because existing power adjustments valve can not be adjusted in driving after debugging is good again, therefore existing power adjustments valve can not satisfy the requirement of vehicular engine in steady working condition and unsteady-stage conditions work.

Three, summary of the invention

The utility model provides a kind of automotive natural gas engine throttle power adjustments valve, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the problem that existing power adjustments valve can not be adjusted the mixed gas ratio at any time.

The technical solution of the utility model realizes by following measure: a kind of automotive natural gas engine throttle power adjustments valve comprises valve body, sleeve pipe, trunnion and door-hinge; There is the air outlet upper end at valve body, the inboard left end outside with trunnion of the right-hand member of valve body is fixed together, the inboard right-hand member outside with sleeve pipe of the left end of valve body is fixed together, right-hand member at sleeve pipe has boss, the through hole that communicates with cannula cavity is arranged on boss, in cannula cavity, the door-hinge that the energy move left and right is arranged in body cavity and the trunnion inner chamber, the left end of door-hinge passes the through hole on the boss and stretches out sleeve pipe, left end at door-hinge is equipped with the door-hinge seat that can withstand on the boss, right-hand member at door-hinge is installed with the trunnion valve, on the door-hinge between trunnion valve and the boss, be set with pressure spring, the left bracing ring of pressure spring withstands on the trunnion valve, and the right bracing ring of pressure spring withstands on the boss; Trunnion is the wide toroidal in the left narrow right side.

Be further optimization and/or improvements below to above-mentioned model utility technological scheme:

On the door-hinge between above-mentioned door-hinge seat and the boss seal washer can be installed.

On the door-hinge of above-mentioned trunnion valve right-hand member hole clipping can be arranged, bayonet lock is installed in hole clipping, the trunnion valve withstands on the bayonet lock.

On the above-mentioned sleeve pipe outside thread can be arranged, sleeve pipe is fixedly mounted on the support by outside thread and nut, and support is fixedly mounted on the carburetor assembly.

The mounting hole that mutual correspondence can be arranged on above-mentioned door-hinge and the door-hinge seat, a rope or an end that is no less than one chaining are installed in the mounting hole.

The utility model reasonable and compact in structure, easy to use, can adjust air inflow at any time with the different opening of closure, make mixed gas reach best use level, thereby saved combustion gas, the solar term rate has reached 10 to percent 20.

Four, description of drawings

Accompanying drawing 1 is looked the sectional structure schematic representation for the master of the utility model most preferred embodiment.

Accompanying drawing 2 is looked the sectional structure schematic representation for the utility model most preferred embodiment master in use.

Accompanying drawing 3 is looked the sectional structure schematic representation for the utility model most preferred embodiment master in use.

Accompanying drawing 4 is looked the sectional structure schematic representation for the utility model most preferred embodiment master in use.

Accompanying drawing 5 is looked the sectional structure schematic representation for the utility model most preferred embodiment master in use.

Coding in the accompanying drawing is respectively: 1 is valve body, and 2 is sleeve pipe, and 3 is trunnion, 4 is door-hinge, and 5 is the air outlet, and 6 is boss, 7 is cannula cavity, and 8 is body cavity, and 9 is the trunnion inner chamber, 10 is the door-hinge seat, and 11 is the trunnion valve, and 12 is pressure spring, 13 is seal washer, 14 is nut, and 15 is support, and 16 is chaining.

Five, embodiment

The utility model is not limited by following embodiment, can determine concrete mode of execution according to the technical solution of the utility model and actual conditions.

Below in conjunction with embodiment and accompanying drawing the utility model is further described:

As shown in Figure 1, this automotive natural gas engine throttle power adjustments valve comprises valve body 1, sleeve pipe 2, trunnion 3 and door-hinge 4; In the upper end of valve body 1 air outlet 5 is arranged, the inboard left end outside with trunnion 3 of the right-hand member of valve body 1 is fixed together, the inboard right-hand member outside with sleeve pipe 2 of the left end of valve body 1 is fixed together, right-hand member at sleeve pipe 2 has boss 6, the through hole that communicates with cannula cavity 7 is arranged on boss 6, in cannula cavity 7, the door-hinge 4 that the energy move left and right is arranged in body cavity 8 and the trunnion inner chamber 9, the left end of door-hinge 4 passes the through hole on the boss 6 and stretches out sleeve pipe 2, left end at door-hinge 4 is equipped with the door-hinge seat 10 that can withstand on the boss 6, right-hand member at door-hinge 4 is installed with trunnion valve 11, on the door-hinge 4 between trunnion valve 11 and the boss 6, be set with pressure spring 12, the left bracing ring of pressure spring 12 withstands on the trunnion valve 11, and the right bracing ring of pressure spring 12 withstands on the boss 6; Trunnion 3 is the wide toroidal in the left narrow right side.

Can according to actual needs above-mentioned automotive natural gas engine throttle power adjustments valve be made further optimization and/or improvements:

As shown in Figure 1, in order to increase sealing, on the door-hinge 4 between door-hinge seat 10 and the boss 6, seal washer 13 is installed.

As shown in Figure 1, for the ease of installing, on the door-hinge 4 of trunnion valve 11 right-hand members hole clipping is arranged, bayonet lock is installed in hole clipping, trunnion valve 11 withstands on the bayonet lock.

As shown in Figure 1, for the ease of installing, on sleeve pipe 2 outside thread is arranged, sleeve pipe 2 is fixedly mounted on the support 15 by outside thread and nut 14, and support 15 can be fixedly mounted on the carburetor assembly.

As shown in Figure 1, for the ease of operation, the mounting hole of mutual correspondence is arranged on door-hinge 4 and door-hinge seat 10, a rope or an end that is no less than one chaining 16 are installed in the mounting hole.

Above technical characteristics has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.

The using process of the utility model most preferred embodiment: at first rope or the end that is no less than one chaining 16 are installed in the mounting hole rope or be no less than one the other end of chaining 16 and the connecting lever of closure links together; The ato unit idling, when little load condition: shown in accompanying drawing 2,3: throttle opening is in 25 percent, and the utility model is not worked; When the moderate duty operating mode: as shown in Figure 4, the aperture of closure is between 85 25 percent to percent, the most of the time of motor car engine is to work under moderate duty, therefore should supply with economic mixed gas, to guarantee that motor has combustion gas Economy preferably, from the little moderate duty of loading, increase along with load, closure is opened greatly gradually, the connecting lever of closure drives rope or chain 16 is moved to the left, and is moved to the left thereby drive door-hinge 4, and at this moment the trunnion inner chamber 9, in body cavity 8 and the cannula cavity 7 is negative pressure, and because trunnion 3 is the wide toroidal in the left narrow right side, and the space between trunnion valve 11 and the trunnion inner chamber 9 narrows down, and the combustion gas inlet is tailed off, thereby makes mixed gas thinning gradually, what at this moment, motor obtained is the lean-burn gas mixed gas of the rarest and Economy; When high load working condition: as shown in Figure 5: closure near or reach fully open position, the connecting lever of closure drives rope or chain 16 continues to be moved to the left, thereby driving door-hinge 4 continues to be moved to the left, and trunnion valve 11 has entered into body cavity 8 by trunnion inner chamber 9, at this moment, it is maximum that the combustion gas inlet reaches, and motor reaches peak output.

Claims

[claim 1] 1, a kind of automotive natural gas engine throttle power adjustments valve is characterized in that comprising valve body, sleeve pipe, trunnion and door-hinge; There is the air outlet upper end at valve body, the inboard left end outside with trunnion of the right-hand member of valve body is fixed together, the inboard right-hand member outside with sleeve pipe of the left end of valve body is fixed together, right-hand member at sleeve pipe has boss, the through hole that communicates with cannula cavity is arranged on boss, in cannula cavity, the door-hinge that the energy move left and right is arranged in body cavity and the trunnion inner chamber, the left end of door-hinge passes the through hole on the boss and stretches out sleeve pipe, left end at door-hinge is equipped with the door-hinge seat that can withstand on the boss, right-hand member at door-hinge is installed with the trunnion valve, on the door-hinge between trunnion valve and the boss, be set with pressure spring, the left bracing ring of pressure spring withstands on the trunnion valve, and the right bracing ring of pressure spring withstands on the boss; Trunnion is the wide toroidal in the left narrow right side.
[claim 2] 2, automotive natural gas engine throttle power adjustments valve according to claim 1 is characterized in that on the door-hinge between door-hinge seat and the boss seal washer being installed.
[claim 3] 3, automotive natural gas engine throttle power adjustments valve according to claim 1 and 2 is characterized in that on the door-hinge of trunnion valve right-hand member hole clipping being arranged, and bayonet lock is installed in hole clipping, and the trunnion valve withstands on the bayonet lock.
[claim 4] 4, automotive natural gas engine throttle power adjustments valve according to claim 1 and 2 is characterized in that outside thread is arranged on the sleeve pipe, and sleeve pipe is fixedly mounted on the support by outside thread and nut, and support is fixedly mounted on the carburetor assembly.
[claim 5] 5, automotive natural gas engine throttle power adjustments valve according to claim 3 is characterized in that outside thread is arranged on the sleeve pipe, and sleeve pipe is fixedly mounted on the support by outside thread and nut, and support is fixedly mounted on the carburetor assembly.
[claim 6] 6, automotive natural gas engine throttle power adjustments valve according to claim 1 and 2 is characterized in that having on door-hinge and the door-hinge seat mounting hole of mutual correspondence, and a rope or an end that is no less than one chaining are installed in the mounting hole.
[claim 7] 7, automotive natural gas engine throttle power adjustments valve according to claim 3 is characterized in that having on door-hinge and the door-hinge seat mounting hole of mutual correspondence, and a rope or an end that is no less than one chaining are installed in the mounting hole.
[claim 8] 8, automotive natural gas engine throttle power adjustments valve according to claim 4 is characterized in that having on door-hinge and the door-hinge seat mounting hole of mutual correspondence, and a rope or an end that is no less than one chaining are installed in the mounting hole.
[claim 9] 9, automotive natural gas engine throttle power adjustments valve according to claim 5 is characterized in that having on door-hinge and the door-hinge seat mounting hole of mutual correspondence, and a rope or an end that is no less than one chaining are installed in the mounting hole.