CN105275667B - Engine throttle adjusting part - Google Patents

Engine throttle adjusting part Download PDF

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Publication number
CN105275667B
CN105275667B CN201510714365.5A CN201510714365A CN105275667B CN 105275667 B CN105275667 B CN 105275667B CN 201510714365 A CN201510714365 A CN 201510714365A CN 105275667 B CN105275667 B CN 105275667B
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China
Prior art keywords
speed
idling
regulating handle
pedestal
idle
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CN201510714365.5A
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CN105275667A (en
Inventor
李仁石
谭宗发
秦金菊
曾勇
王昌勇
刘林
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Loncin General Dynamics Co Ltd
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Loncin General Dynamics Co Ltd
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Priority to CN201510714365.5A priority Critical patent/CN105275667B/en
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Abstract

The invention discloses a kind of engine throttle adjusting parts, including pedestal and speed regulating handle, speed regulating handle in a manner of an axis single-degree-of-freedom reciprocally swinging can be set to pedestal, and the extreme position in the both direction of reciprocally swinging is adjustable, a wherein extreme position be and the corresponding idling extreme position of engine idling, other direction be and the corresponding rev limit position of engine peak speed, the present invention is using the structure that idle speed adjustment and rotational speed regulation are integrated on a speed adjusting gear, change the labyrinth of existing idling and speed governing split, simplify the structure of engine in itself, it is simple to operate, and the idling speed deviation of preferable control cold and heat engine, increase the scope of application of general gasoline engines.

Description

Engine throttle adjusting part
Technical field
The present invention relates to engine components, more particularly to a kind of engine throttle adjusting part.
Background technology
General gasoline engines obtain wide application due to having preferable versatility;General gasoline engines need when in use Adjust rotating speed and idling;In the prior art, general gasoline engines speed-adjusting and control system usually all includes Throttle Opening Control combination, speed governing The components such as stent, governor spring, speed-regulating arm, and usually only control high speed rotating speed, idling are idle by carburetor for Throttle Opening Control combination Fast adjusting screw control, is divided into different control mechanisms so that engine cold and heat engine idling speed deviation are very big, and grasp Work is also complex, influences its use.
Therefore, it is necessary to be improved to existing for general purpose engine throttle adjusting part, both adjustable speed and control were high Speed and controllable idling, and the idling speed deviation of cold and heat engine is preferably controlled, so as to simplify operation, increase general vapour The scope of application of oil machine.
Invention content
In view of this, the object of the present invention is to provide a kind of engine throttle adjusting part, both adjustable speed and control had been at a high speed It can control idling again, and preferably control the idling speed deviation of cold and heat engine, so as to simplify operation, increase all-purpose gasoline The scope of application of machine.
The engine throttle adjusting part of the present invention, including pedestal and speed regulating handle, the speed regulating handle is with can be around an axis list The mode of degree of freedom reciprocally swinging is set to pedestal, and the extreme position in the both direction of reciprocally swinging is adjustable, wherein one Extreme position be with the corresponding idling extreme position of engine idling, other direction be with engine peak speed it is corresponding Rev limit position;Idling extreme position and rev limit position are set to same speed regulating handle, two can be adjusted as needed The position of extreme position achievees the purpose that adjust maximum speed and idling;Simple in structure and operation is easy, and removal carburetor is idle Fast adjusting screw, and it is easily achieved the idling speed deviation of control cold and heat engine;Speed regulating handle controls throttle, belongs to the prior art Structure, details are not described herein.
Further, the speed regulating handle is set to pedestal, the shaft by way of a shaft single-degree-of-freedom reciprocally swinging Pedestal is fixed on, speed regulating handle is set in rotation with shaft;Using shaft being fixed on to the structure of pedestal, for example weld during use Deng;The rotational freedom of speed regulating handle can be preferably constrained by shaft, ensures degree of regulation, and simple in structure;
Further, shaft is coated between the speed regulating handle and pedestal and is equipped with liner;Speed regulating handle and pedestal are passed through into liner It separates, reduces pedestal and the rotation of speed regulating handle is interfered, ensure smooth, the raising degree of regulation of the rotation of speed regulating handle.
Further, the speed regulating handle by saddle gasket with the nut with shaft thread from being installed on shaft;Using saddle Type gasket can reduce speed regulating handle and bear the area of nut pressure, and prevent the rotation of speed regulating handle from nut being driven to loosen, and prevent from rotating Interference is further ensured that speed governing rotates smooth and adjusting speed accuracy.
Further, a setting-up piece is equipped between the nut and saddle gasket, which locks in circumferencial direction In pedestal;As shown in the figure, setting-up piece is convex disk-like structure, and radially edge extends fixed jaw, this is fixed In the limiting slot formed on pawl downward bending and embedded pedestal, formed to the circumferentially fixed of setting-up piece;Convex disk-like structure It is pushed conducive to elasticity is formed, ensures that saddle gasket while being formed to upper limit, avoids the formation of larger rigid pressure, so as to Ensure being freely rotated for speed regulating handle.
Further, the speed regulating handle is equipped with return spring and idling limit position is close proximity under the action of the return spring It puts;Ensure the feel of the accurate and speed governing of idling.
Further, it further includes and is set to pedestal and forms the idle speed adjustment component of idling extreme position and form rev limit The rotational speed regulation component of position, the idle speed adjustment component include idle adjusting screw, the idle adjusting screw thread fitting It is set to pedestal and front end corresponds to speed regulating handle and forms idling extreme position;The rotational speed regulation component includes speed setting screw, The speed setting screw thread fitting is set to pedestal and front end corresponds to speed regulating handle rev limit position;It is simple and compact for structure, Idle speed adjustment and rotational speed regulation are integrated in same pedestal, adjust simple to operate, simplified carburetor structure.
Further, it is built up by upper plate and lower plate fixation, the general structure for using spot welding, technique is relatively simple, and adopts It is additionally favorable for forming installation position with platy structure, including installation pedestal in itself, forms installation other component (such as screw etc.) Installation position;Herein upper and lower refers to upper plate and lower plate installation position, is upper plate close to speed regulating handle;The upper plate folding Bending is into the idling journal stirrup that idle adjusting screw is screwed in for thread fitting, and be cased with bullet peaks at idling to the idle adjusting screw outside Idle spring between journal stirrup and idle adjusting screw tail end;The lower plate bending is formed screws in rotational speed regulation for thread fitting The rotating speed journal stirrup of screw is cased with bullet outside the speed setting screw and peaks between rotating speed journal stirrup and speed setting screw tail end to turn Fast spring;Rotating speed journal stirrup by the structure of screw fit spring, can effectively eliminate adjust caused by thread pitch it is inaccurate Problem;It is formed, can mutually be avoided up and down in structure, for peace as shown in the figure, idling journal stirrup and rotating speed journal stirrup are upward bending The possibility of respective adjusting screw offer spatially is provided.
Further, the idle adjusting screw and speed setting screw shift to install up and down, and the two is avoided to interfere with each other;Such as Shown in figure, pedestal is upper plate and the iterative structure of lower plate, shifts to install carry up and down for idle adjusting screw and speed setting screw The condition in structure is supplied;The speed regulating handle is by main side arm and the V-arrangement or L that are made of the secondary side arm that main side arm bending is formed Shape, the idle adjusting screw front end correspond to the inside of main side arm, and speed setting screw corresponds to the inside of secondary side arm;Inside Refer to main side arm and the secondary corresponding side of side arm;The front end of screw refers to the one end being selected into;Speed regulating handle uses V-arrangement or L Shape, and reasonable set idle adjusting screw and speed setting screw position so that structure of the present invention is further compact, convenient for peace Dress, is suitable for using on small-sized logical machine;As shown in the figure, return spring both ends are respectively arranged in the secondary side of rotating speed journal stirrup and speed regulating handle Arm
Further, the secondary side arm forms downward bending protrusion and passes through the bending protrusion and speed setting screw pair Should, it is simple and compact for structure and adaptable.
Beneficial effects of the present invention:The engine throttle adjusting part of the present invention is integrated using on a speed adjusting gear The structure of idle speed adjustment and rotational speed regulation, changes the labyrinth of existing idling and speed governing split, simplifies engine in itself Structure, it is simple to operate, and the idling speed deviation of cold and heat engine is preferably controlled, increase the applicable model of general gasoline engines It encloses.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is schematic structural view of the invention;
Fig. 2 is sectional view of the present invention.
Specific embodiment
Fig. 1 is schematic structural view of the invention, and Fig. 2 is sectional view of the present invention, as shown in the figure:The engine throttle of the present embodiment Adjusting part, including pedestal and speed regulating handle 1, the speed regulating handle 1 in a manner of an axis single-degree-of-freedom reciprocally swinging can set In pedestal, and the extreme position in the both direction of reciprocally swinging is adjustable, wherein an extreme position is and engine idling phase Corresponding idling extreme position, other direction are and the corresponding rev limit position of engine peak speed;To same tune Fast handle setting idling extreme position and rev limit position, can adjust the position of two extreme positions, reach adjustment as needed The purpose of maximum speed and idling;Simple in structure and operation is easy, removes carburetor idle adjusting screw, and be easily achieved control The idling speed deviation of refrigeration machine and heat engine is, it can be achieved that in the range of the idling speed deviation 100rpm of control cold and heat engine;It adjusts Fast handle controls throttle, belongs to the structure of the prior art, details are not described herein.
In the present embodiment, the speed regulating handle 1 is set to pedestal by way of 12 single-degree-of-freedom reciprocally swinging of a shaft, institute It states shaft 12 and is fixed on pedestal, speed regulating handle 1 is set in rotation with shaft 12;During use pedestal is fixed on using by shaft 12 Structure, such as welding etc.;The rotational freedom of speed regulating handle can be preferably constrained by shaft, ensures degree of regulation, and structure Simply;
In the present embodiment, shaft 12 is coated between the speed regulating handle 1 and pedestal and is equipped with liner 14;By speed regulating handle 1 and base Seat 14 is separated by liner, reduces pedestal and the pivoting friction of speed regulating handle 1 is interfered, ensure speed regulating handle 1 rotation it is smooth, improve Degree of regulation.
In the present embodiment, the speed regulating handle 1 with the nut 11 of 12 thread fitting of shaft by saddle gasket 13 by being installed on Shaft 12;Using saddle gasket 13, speed regulating handle can be reduced and bear the area of 11 pressure of nut, and prevent the rotation of speed regulating handle from driving Nut loosens, and prevents rotation from interfering, and is further ensured that speed governing rotates smooth and adjusting speed accuracy.
In the present embodiment, a setting-up piece 9 is equipped between the nut 11 and saddle gasket 13, the setting-up piece 9 is in circle Circumferential direction lock onto pedestal;As shown in the figure, setting-up piece 9 is convex disk-like structure, and radially edge extends admittedly Determine pawl 9a, in the limiting slot 10 formed on fixed jaw 9a downward bendings and embedded pedestal, formed and the circumferential direction of setting-up piece 9 is consolidated It is fixed;Convex disk-like structure is conducive to form elastic pushing, ensures saddle gasket while being formed to upper limit, avoid the formation of compared with Big rigid pressure, so as to ensure being freely rotated for speed regulating handle.
In the present embodiment, the speed regulating handle 1 is equipped with return spring 7 and is close proximity to idling under the action of the return spring 7 Extreme position;Ensure the feel of the accurate and speed governing of idling.
In the present embodiment, further include and be set to pedestal and form the idle speed adjustment component of idling extreme position and form rotating speed The rotational speed regulation component of extreme position, the idle speed adjustment component include idle adjusting screw 5,5 spiral shell of idle adjusting screw Line is equipped with to be corresponded to speed regulating handle 1 and forms idling extreme position in pedestal and front end;The rotational speed regulation component includes rotating speed tune Screw 4 is saved, 4 thread fitting of speed setting screw is set to pedestal and front end corresponds to speed regulating handle rev limit position;Structure Simple and compact, idle speed adjustment and rotational speed regulation are integrated in same pedestal, adjust simple to operate, simplified carburetor structure.
It in the present embodiment, is built up by upper plate 2 and the fixation of lower plate 8, the general structure for using spot welding, technique is more simple It is single, and be additionally favorable for forming installation position using platy structure, including installation pedestal in itself, formed installation other component (such as Screw etc.) installation position;Herein upper and lower refers to 8 installation position of upper plate 2 and lower plate, is upper plate 2 close to speed regulating handle 1; 2 bending of upper plate, which is formed, is used for the idling journal stirrup 2a that thread fitting screws in idle adjusting screw, outside the idle adjusting screw 5 It is cased with bullet and peaks at idle spring 3 between 5 tail end of idling journal stirrup 2a and idle adjusting screw;8 bending of the lower plate formation is used for Thread fitting screws in the rotating speed journal stirrup 4a of speed setting screw 4, and being cased with bullet outside the speed setting screw 4 peaks at rotating speed journal stirrup 8a With the rotating speed spring 6 between 4 tail end of speed setting screw;By the structure of screw fit spring, can effectively eliminate between screw thread The problem of inaccurate and adjusting screw loosens is adjusted caused by gap;Bullet top refers to that spring withstands both ends with pretightning force Part;As shown in the figure, idling journal stirrup 2a and rotating speed journal stirrup 8a are that upward bending is formed, can mutually avoid up and down in structure is The possibility of respective adjusting screw offer spatially is installed.
In the present embodiment, the idle adjusting screw 5 and speed setting screw shift to install about 4, avoid the two mutually Interference;It is idle adjusting screw 5 and speed setting screw about 4 as shown in the figure, iterative structure of the pedestal for upper plate 2 and lower plate 8 Shift to install the condition provided in structure;The speed regulating handle 1 is by main side arm 1a and the secondary side formed by main side arm 1a bendings The V-arrangement or L-shaped that arm 1b is formed, 5 front end of idle adjusting screw correspond to the inside of main side arm 1a, and speed setting screw 4 is right It should be in the inside of secondary side arm 1b;Inside refers to main side arm and the secondary corresponding side of side arm;The front end of screw refers to being selected into One end;Speed regulating handle 1 uses V-arrangement or L-shaped, and 4 position of reasonable set idle adjusting screw 5 and speed setting screw so that this Inventive structure is further compact, is easily installed, and is suitable for using on small-sized logical machine;As shown in the figure, return spring both ends are pacified respectively Secondary side arm loaded on rotating speed journal stirrup and speed regulating handle
In the present embodiment, the pair side arm 1b forms downward bending protrusion 1c and passes through the bending protrusion and rotational speed regulation Screw corresponds to, simple and compact for structure and adaptable.
The present invention returns in use, by rotating speed regulating handle adjusting engine speed after release under the action of return spring To idle adjusting screw, make when speed regulating handle goes to speed setting screw, reach the maximum speed of setting;Pass through rotational speed regulation spiral shell The adjusting of maximum speed and idling is realized in the adjusting of nail and idle adjusting screw;Idle adjusting screw, which also has to adjust to suitable, to be turned Speed carries out the effect of engine work, and details are not described herein.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this In the right of invention.

Claims (6)

1. a kind of engine throttle adjusting part, it is characterised in that:Including pedestal and speed regulating handle, the speed regulating handle is with can be around an axis The mode of line single-degree-of-freedom reciprocally swinging is set to pedestal, and the extreme position in the both direction of reciprocally swinging is adjustable, In an extreme position be with the corresponding idling extreme position of engine idling, other direction is opposite with engine peak speed The rev limit position answered;
It further includes and is set to pedestal and forms the idle speed adjustment component of idling extreme position and form the rotating speed of rev limit position Adjusting part, the idle speed adjustment component include idle adjusting screw, and the rotational speed regulation component includes speed setting screw;
Pedestal is built up by upper plate and lower plate fixation, and the upper plate bending is formed screws in idle adjusting screw for thread fitting Idling journal stirrup, bullet is cased with outside the idle adjusting screw and peaks at idling bullet between idling journal stirrup and idle adjusting screw tail end Spring;The lower plate bending, which is formed, is used for the rotating speed journal stirrup that thread fitting screws in speed setting screw, outside the speed setting screw It is cased with bullet and peaks at rotating speed spring between rotating speed journal stirrup and speed setting screw tail end;
The idle adjusting screw and speed setting screw shift to install up and down, and the speed regulating handle is by main side arm and by main side arm The V-arrangement or L-shaped that the secondary side arm that bending is formed is formed, the idle adjusting screw front end correspond to the inside of main side arm, rotating speed tune Save the inside that screw corresponds to secondary side arm;Downward bending protrusion is formed on the inside of the pair side arm and passes through the bending protrusion with turning Fast adjusting screw corresponds to.
2. engine throttle adjusting part according to claim 1, it is characterised in that:The speed regulating handle passes through a shaft list The mode of degree of freedom reciprocally swinging is set to pedestal, and the shaft is fixed on pedestal, and speed regulating handle is set in rotation with shaft.
3. engine throttle adjusting part according to claim 2, it is characterised in that:It is outer between the speed regulating handle and pedestal It is placed on shaft and is equipped with liner.
4. engine throttle adjusting part according to claim 2, it is characterised in that:The speed regulating handle by with shaft thread The nut of cooperation is installed on shaft by saddle gasket.
5. engine throttle adjusting part according to claim 4, it is characterised in that:Between the nut and saddle gasket Equipped with a setting-up piece, which lock onto pedestal in circumferencial direction.
6. engine throttle adjusting part according to claim 1, it is characterised in that:The speed regulating handle is equipped with return spring And idling extreme position is close proximity under the action of the return spring.
CN201510714365.5A 2015-10-28 2015-10-28 Engine throttle adjusting part Active CN105275667B (en)

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Application Number Priority Date Filing Date Title
CN201510714365.5A CN105275667B (en) 2015-10-28 2015-10-28 Engine throttle adjusting part

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Application Number Priority Date Filing Date Title
CN201510714365.5A CN105275667B (en) 2015-10-28 2015-10-28 Engine throttle adjusting part

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CN105275667B true CN105275667B (en) 2018-06-22

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11808233B2 (en) 2021-07-07 2023-11-07 Kohler Co. Engine incorporating improved governor linkage
CN113847148A (en) * 2021-10-14 2021-12-28 隆鑫通用动力股份有限公司 Multifunctional accelerator combination and engine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB760721A (en) * 1953-01-17 1956-11-07 Solex Improvements in carburetters including an auxiliary starting device
JPS61135943A (en) * 1984-12-04 1986-06-23 Yanmar Diesel Engine Co Ltd Operation controlling device for internal combustion engine
CN201573545U (en) * 2009-12-31 2010-09-08 东风汽车股份有限公司 Two-pole speed-regulating accelerator transmission device
CN204226403U (en) * 2014-11-11 2015-03-25 佳兴紧固件工业(苏州)有限公司 A kind of adjustment screw
CN205064124U (en) * 2015-10-28 2016-03-02 隆鑫通用动力股份有限公司 Engine speed regulation handle base subassembly
CN205064125U (en) * 2015-10-28 2016-03-02 隆鑫通用动力股份有限公司 Engine speed regulating mechanism
CN205064102U (en) * 2015-10-28 2016-03-02 隆鑫通用动力股份有限公司 Engine speed regulation handle mounting structure assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB760721A (en) * 1953-01-17 1956-11-07 Solex Improvements in carburetters including an auxiliary starting device
JPS61135943A (en) * 1984-12-04 1986-06-23 Yanmar Diesel Engine Co Ltd Operation controlling device for internal combustion engine
CN201573545U (en) * 2009-12-31 2010-09-08 东风汽车股份有限公司 Two-pole speed-regulating accelerator transmission device
CN204226403U (en) * 2014-11-11 2015-03-25 佳兴紧固件工业(苏州)有限公司 A kind of adjustment screw
CN205064124U (en) * 2015-10-28 2016-03-02 隆鑫通用动力股份有限公司 Engine speed regulation handle base subassembly
CN205064125U (en) * 2015-10-28 2016-03-02 隆鑫通用动力股份有限公司 Engine speed regulating mechanism
CN205064102U (en) * 2015-10-28 2016-03-02 隆鑫通用动力股份有限公司 Engine speed regulation handle mounting structure assembly

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