CN204357566U - A kind of governor lever assembly - Google Patents
A kind of governor lever assembly Download PDFInfo
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- CN204357566U CN204357566U CN201420723999.8U CN201420723999U CN204357566U CN 204357566 U CN204357566 U CN 204357566U CN 201420723999 U CN201420723999 U CN 201420723999U CN 204357566 U CN204357566 U CN 204357566U
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- Prior art keywords
- spring
- governor
- spring seat
- hole
- pretravel
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- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000001133 acceleration Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
The utility model discloses a kind of governor lever assembly, comprise: governor fork, spring seat, spring and pretravel part, spring seat is fixed on a sidewall of governor fork, and the through hole that the receiving cavity that spring seat is provided with is provided with this sidewall of governor fork is connected; Spring is located in the receiving cavity of spring seat, pretravel part matches with spring, and be implemented in through hole and spring seat by extrusion spring and slide, pretravel part is under initial tension of spring effect, the oil mass ratch of bottom opening and single cylinder diesel that above-mentioned through hole is protruded in one end contacts, and forms pre-idle stroke L.The utility model to solve in prior art single cylinder diesel to be increased too many at acceleration initial stage fuel delivery, causes that air-fuel mixture is poor, insufficient problem of burning.
Description
Technical field
The utility model belongs to governor lever component technology field, especially for a kind of governor lever assembly being applicable to the control fuel feeding of single cylinder diesel.
Background technique
Along with the continuous lifting that Abgasgesetz requires engine exhaust emission limit value, existing diesel engine, particularly single cylinder diesel is loaded into rated engine speed process from idling at the appointed time, when namely freely accelerating, governor fork directly drives oil amount regulating mechanism to perform refueling operation, because oil mass increases sharply, cause air-fuel mixture deleterious, burn insufficient thus produce " over-emitting black exhaust " phenomenon.
Existing city, in product, takes extra increasing can the position limit socket of relative motion with governor lever, has gap between position limit socket and governor lever.Form the torsion spring with two springs between position limit socket and governor lever to connect, the spacing supply of oil mass when realizing accelerating.Though this technology can solve and freely accelerate over-emitting black exhaust problem, there is amount of parts many, manufactures, assemble, dismantle the problem of comparatively inconvenience.
Being 200520071628.7 in Chinese Patent Application No. is called in " single-cylinder diesel engine speed regulating mechanism and install the single cylinder diesel of this speed regulating mechanism ", public elastic buffering mechanism is installed realize in the governor fork of U-shaped make speed regulator have cushioning effect when freely accelerating, and then the operation of buffering fuel feeding, realize fuel feeding softly even, reduce the effect of free boost phase smoke intensity index.But it in a second embodiment, require elastic buffering mechanism 2 is loaded control rack 3 side in the rach slot 11 of governor lever 1 and is fixed, this kind of structural configuration requires that governor lever 1 side thickeies, to form spring fitting space.Simultaneously when fuel-injection pump is installed on motor, control rack 3 easily interferes with elastic buffering mechanism 2, causes installing difficult.Obviously, this scheme brings mould to change because needs change governor lever 1 body structure, destroys the symmetrical effect of the rach slot 11 of former governor lever 1 and need redesign calculating to governor parameter.
Summary of the invention
For above-mentioned technical problem, the purpose of this utility model is to provide a kind of governor lever assembly, increases too many to solve in prior art single cylinder diesel at acceleration initial stage fuel delivery, causes that air-fuel mixture is poor, insufficient problem of burning.
For achieving the above object, a kind of governor lever assembly of the present utility model, comprise: governor fork, spring seat, spring and pretravel part, spring seat is fixed on a sidewall of governor fork, and the through hole that the receiving cavity that spring seat is provided with is provided with this sidewall of governor fork is connected; Spring is located in the receiving cavity of spring seat, pretravel part matches with spring, and be implemented in through hole and spring seat by extrusion spring and slide, pretravel part is under initial tension of spring effect, the oil mass ratch of bottom opening and single cylinder diesel that above-mentioned through hole is protruded in one end contacts, and forms pre-idle stroke L.
Preferably, above-mentioned governor fork one end is provided with U-shaped opening, and above-mentioned through hole is located on a sidewall of this U-shaped opening, and above-mentioned oil mass ratch is located in U-shaped opening, contacts coordinate with described pretravel part.
Preferably, the end that spring seat is provided with opening has a plurality of projection, and the hole be provided with the exterior edge face of a sidewall of the U-shaped opening of governor fork is connected to a fixed with interference and/or the mode of welding.
Preferably, above-mentioned spring seat, spring and pretravel part three axial alignment.
Preferably, above-mentioned pretravel part is steel ball or push rod.
Preferably, when above-mentioned pretravel part is steel ball, on a sidewall of U-shaped opening, the bottom of through hole is circular-arc-shaped design, and the diameter of steel ball is greater than the opening size of via bottoms, the oil mass ratch of the bottom opening and single cylinder diesel that make steel ball part protrude from through hole contacts, and forms pre-idle stroke.
Preferably, when above-mentioned pretravel part is push rod, push rod is made up of first end, baffle plate and the second end, and one end of spring is sheathed on the first end of push rod, and contacts with baffle plate, and the bottom connection of the other end and spring seat touches; The second end of push rod is through above-mentioned through hole, and the oil mass ratch of the bottom opening and single cylinder diesel that partly protrude from through hole contacts, and forms pre-idle stroke.
Preferably, above-mentioned spring seat is made up of spring housing and nut, and nut is threaded connection and is fixed on spring housing.
The beneficial effects of the utility model:
1, pretravel part, spring, spring seat load outside governor fork, and structural configuration is simple, space is large, easy for installation.
2, according to the needs of pre-idle stroke, larger flexible scope is left to pretravel part, spring, spring seat size design.
3, spring seat projection is fixed on governor fork, can directly load with interference fit, or welding manner is reinforced.
4, adopt the protruding means of fixation of spring seat, need to change the production technology operation requirements such as mould without the need to carrying out dimension modifying or thickening etc. to governor fork body, economical and practical.
Accompanying drawing explanation
Fig. 1 illustrates the structural representation of the utility model governor lever assembly first state in the first embodiment.
Fig. 2 illustrates the structural representation of the utility model governor lever assembly second state in the first embodiment.
Fig. 3 illustrates the utility model governor lever assembly and to be hit by a bullet in the first embodiment the structural representation of spring abutment.
Fig. 4 illustrates the structural representation of the utility model governor lever assembly governor fork in the first embodiment.
Fig. 5 illustrates the structural representation of the utility model governor lever assembly in the second embodiment.
Fig. 6 illustrates the structural representation of the utility model governor lever assembly push rod in the second embodiment.
Fig. 7 illustrates the structural representation of the utility model governor lever assembly in the 3rd embodiment.
Embodiment
For the ease of the understanding of those skilled in the art, be further described the utility model below in conjunction with embodiment and accompanying drawing, the content that mode of execution is mentioned is not to restriction of the present utility model.
Shown in Fig. 4, in the first embodiment, a kind of governor lever assembly of the present utility model, comprise: governor fork 11, spring seat 12, spring 13 and pretravel part 14, the end that spring seat 12 is provided with opening has a plurality of protruding 121(with reference to shown in Fig. 2), governor fork 11 one end is provided with U-shaped opening 110, single cylinder diesel oil mass ratch 2 be located in U-shaped opening 110, protruding 121 and the hole 112 that is provided with, the exterior edge face of a sidewall 111 of the U-shaped opening 110 of governor fork 11 be connected to a fixed with interference and/or the mode of welding, the protruding quantity of 121 and the quantity in hole 112 match, spring seat 12 is made to be fixed on governor fork 11, the through hole 113 that the receiving cavity 122 that spring seat 12 is provided with is provided with this sidewall 111 of governor fork 11 is connected, hold spring 13 and pretravel part 14, pretravel part 14 is herein steel ball, the bottom surface 123 of the end thereof contacts spring seat of spring 13, the other end directly withstands steel ball 14, under spring seat 12 bottom surface 123 supporting effect, utilize the pretightening force of spring 13 by steel ball 14 in through hole 113, the bottom of this through hole 113 is circular-arc-shaped design, the diameter of steel ball 14 is greater than the opening size bottom through hole 113, make steel ball 14 part protrude from the opening bottom through hole 113 to contact with the oil mass ratch 2 of single cylinder diesel, and form pre-idle stroke L, steel ball 14 can overcome the pretightening force of spring 13, slides in spring seat 12 and through hole 113, spring seat 12, spring 13 and steel ball 14 three axial alignment, when governor fork 11 moves to oiling direction 15, steel ball 14 by bear from oil mass ratch 2 thrust to oiling direction 15 opposite direction further Compress Spring 13, until oil mass ratch 2 can contact the sidewall 111 of governor fork 11 when oil mass ratch 2 covers pre-idle stroke L, realize refueling operation.Can realize by above-mentioned technology the sharply increase that the initial stage under free accelerating mode limits oil mass, thus realize the effect reducing smoke intensity.
Be hit by a bullet spring abutment 12, spring 13 and steel ball 14 of above-mentioned technological scheme is assembled outside governor fork 11 U-shaped opening 110, bring that space is large, while advantage of convenient mounting, also leave larger flexible scope for spring seat 12, spring 13 and steel ball 14 size design.
With reference to shown in Fig. 5 to Fig. 6, in the second embodiment, a kind of governor lever assembly of the present utility model, comprise: governor fork 31, spring seat 32, spring 33 and pretravel part 34, the end that spring seat 32 is provided with opening has a plurality of protruding 321, governor fork 31 one end is provided with U-shaped opening 310, single cylinder diesel oil mass ratch 4 be located in U-shaped opening 310, protruding 321 and the hole that is provided with, the exterior edge face of a sidewall 311 of the U-shaped opening 310 of governor fork 31 be connected to a fixed with interference and/or the mode of welding, the protruding quantity of 321 and the quantity in hole match, spring seat 32 is made to be fixed on governor fork 31, the through hole (not making a check mark in figure) that the receiving cavity 322 that spring seat 32 is provided with is provided with this sidewall 311 of governor fork 31 is connected, hold spring 33 and pretravel part 34, pretravel part 34 is herein push rod, push rod is by first end 341, baffle plate 342 and the second end 343 are formed, the bottom surface 323 of the end thereof contacts spring seat of spring 33, the other end is sheathed on the first end 341 of push rod 34, contact with baffle plate 342, under spring seat 32 bottom surface 323 supporting effect, the oil mass ratch 4 of the opening and single cylinder diesel that utilize the pretightening force of spring 33 that the second end 343 part of push rod 34 is protruded from via bottoms contacts, and form pre-idle stroke, in this embodiment, usefulness is to realize larger pre-idle stroke, by adopting push rod Seriation Design, can realize the demand of multiple occasion to fuel-flow control.Working principle is identical with the principle of above-mentioned first embodiment, when governor fork 31 is to the motion of oiling direction, push rod 34 by bear from oil mass ratch 4 thrust to oiling direction opposite direction further Compress Spring 33, until oil mass ratch 4 covers pre-idle stroke, realize the sharply increase that the initial stage under free accelerating mode limits oil mass, thus realize the effect reducing smoke intensity.
With reference to shown in Fig. 7, in the 3rd embodiment, a kind of governor lever assembly of the present utility model, it is the further improvement in above-described embodiment two, comprise: governor fork 51, spring seat 52, spring 53 and push rod 54, improvement is: this spring seat 52 is made up of spring housing 521 and nut 522, nut 522 is threaded connection and is fixed on spring housing 521, first pad 6 is installed between nut 522 and push rod 54, thus the adjustment realized spring 53 pretightening force, second pad 7 is installed between the sidewall of push rod 54 and governor fork 51, realize the adjustment to pre-idle stroke, the first above-mentioned pad 6 and the second pad 7 only need nut 522 to unload the replacing that can complete the two from spring housing 521 when changing, the adjustment to initial tension of spring and pre-idle stroke is realized respectively by the thickness of selection pad.And the working principle of the governor lever assembly of the present embodiment is identical with above-mentioned two embodiments, claimant is not described in detail at this.
The utility model embody rule approach is a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvement, these improvement also should be considered as protection domain of the present utility model.
Claims (9)
1. a governor lever assembly, it is characterized in that, comprise: governor fork, spring seat, spring and pretravel part, spring seat is fixed on a sidewall of governor fork, and the through hole that the receiving cavity that spring seat is provided with is provided with this sidewall of governor fork is connected; Spring is located in the receiving cavity of spring seat; Pretravel part matches with spring, and be implemented in through hole and spring seat by extrusion spring and slide, pretravel part is under initial tension of spring effect, and the oil mass ratch of bottom opening and single cylinder diesel that above-mentioned through hole is protruded in one end contacts, and forms pre-idle stroke L.
2. governor lever assembly according to claim 1, it is characterized in that, above-mentioned governor fork one end is provided with U-shaped opening, and above-mentioned through hole is located on a sidewall of this U-shaped opening, above-mentioned oil mass ratch is located in U-shaped opening, contacts coordinate with described pretravel part.
3. governor lever assembly according to claim 2, it is characterized in that, the end that spring seat is provided with opening has a plurality of projection, and the hole be provided with the exterior edge face of a sidewall of the U-shaped opening of governor fork is connected to a fixed with interference and/or the mode of welding.
4. governor lever assembly according to claim 2, is characterized in that, above-mentioned pretravel part is steel ball or push rod.
5. governor lever assembly according to claim 4, it is characterized in that, when above-mentioned pretravel part is steel ball, on one sidewall of U-shaped opening, the bottom of through hole is circular-arc-shaped design, the diameter of steel ball is greater than the opening size of via bottoms, the oil mass ratch of the bottom opening and single cylinder diesel that make steel ball part protrude from through hole contacts, and forms pre-idle stroke.
6. governor lever assembly according to claim 4, it is characterized in that, when above-mentioned pretravel part is push rod, push rod is made up of first end, baffle plate and the second end, one end of spring is sheathed on the first end of push rod, and contact with baffle plate, the bottom connection of the other end and spring seat touches; The second end of push rod is through above-mentioned through hole, and the oil mass ratch of the bottom opening and single cylinder diesel that partly protrude from through hole contacts, and forms pre-idle stroke.
7. governor lever assembly according to claim 6, is characterized in that, above-mentioned spring seat is made up of spring housing and nut, and nut is threaded connection and is fixed on spring housing.
8. governor lever assembly according to claim 7, is characterized in that, is provided with the first pad between above-mentioned nut and push rod; Second pad is installed between push rod and the sidewall of governor fork.
9. governor lever assembly according to claim 1, is characterized in that, above-mentioned spring seat, spring and pretravel part three axial alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723999.8U CN204357566U (en) | 2014-11-26 | 2014-11-26 | A kind of governor lever assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723999.8U CN204357566U (en) | 2014-11-26 | 2014-11-26 | A kind of governor lever assembly |
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| Publication Number | Publication Date |
|---|---|
| CN204357566U true CN204357566U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420723999.8U Active CN204357566U (en) | 2014-11-26 | 2014-11-26 | A kind of governor lever assembly |
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| Country | Link |
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| CN (1) | CN204357566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454175A (en) * | 2014-11-26 | 2015-03-25 | 江苏常工动力机械有限公司 | Speed governor lever module |
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2014
- 2014-11-26 CN CN201420723999.8U patent/CN204357566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454175A (en) * | 2014-11-26 | 2015-03-25 | 江苏常工动力机械有限公司 | Speed governor lever module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240522 Address after: No. 19 Huaxi Road, Huankeyuan, Yixing, Wuxi City, Jiangsu Province, 214200 Patentee after: Yixing Huafei Power Technology Co.,Ltd. Country or region after: China Address before: 214200 Xiangtou Village, Yicheng Street, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU CHANGGONG POWER MACHINERY Co.,Ltd. Country or region before: China |