CN2388063Y - Front wheel semi-axle automatic clutch of four-wheel drive automobile - Google Patents
Front wheel semi-axle automatic clutch of four-wheel drive automobile Download PDFInfo
- Publication number
- CN2388063Y CN2388063Y CN 99216014 CN99216014U CN2388063Y CN 2388063 Y CN2388063 Y CN 2388063Y CN 99216014 CN99216014 CN 99216014 CN 99216014 U CN99216014 U CN 99216014U CN 2388063 Y CN2388063 Y CN 2388063Y
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- housing
- wheel
- fresh idea
- ring
- semiaxis
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- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002689 soil Substances 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 101100272852 Clostridium botulinum (strain Langeland / NCTC 10281 / Type F) F gene Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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Abstract
The utility model discloses a front wheel semi-axis automatic clutch of four wheel drive car mainly comprises casing, the flower head, friction thrust piece, the end cover, semi-axis and wheel hub etc. and its characteristics are provided with the switching-over post that is connected with location friction ring between casing and flower head, be provided with the meshing ware between two adjacent switching-over posts and the clearance of casing and flower head, the inside and outside of meshing ware is provided with respectively can with petal form key and the interior profile of tooth key slot of the profile of tooth keyway effect of petal form key and casing, the middle part outside cover at the meshing ware is equipped with the return jump ring. The utility model discloses the operation is simple and direct, convenient, and the separation and reunion conversion can realize automatically, and it is effectual to economize on fuel, totally closed operation, can not influence the use because of advancing ash, soil and oil leak, has higher reliability.
Description
The utility model relates to a kind of layout of vehicle transmission gear, particularly a kind of semiaxis self-acting clutch of four-wheel drive car.
In order to keep the good off-road capability of four-wheel drive car, reach the purpose that reduces oil consumption again, people have developed a kind of axle shaft clutch that is contained on the front-wheel, this power-transfer clutch outside semiaxis, axially be provided with one can forward and backward slip spline housing and be attached thereto and the spiral pieces of its clutch of may command, when the needs four wheel drive, automobile-used hand turns slide block and is transferred to the position of closing down, promotes spline housing by spring pressure and engages with semiaxis.Though this power-transfer clutch has solved fuel-economizing and has adapted to ground-surface contradiction, also exists defective, as: the manipulation of must getting off during use, very inconvenient; Owing to adopt axial push-in type to engage, when staggering, the keyway position then pushes away to enter, and single wheel often occurs and connect reality, the asynchrony phenomenon that another side joint is not gone up; Closed performance is poor, is easily stopped up by impurity such as putty, sands, turns difficulty.
The purpose of this utility model just is to provide a kind of not to be needed the driver to get off to adjust the front-wheel semiaxis self-acting clutch of the four-wheel drive car that just can change the front-wheel clutch state automatically.
Technical solution of the present utility model is: described power-transfer clutch is made up of housing, fresh idea, friction thrust plate, end cap and wheel hub, semiaxis, housing is provided with and is used for the housing fixed orifice that is connected with wheel hub, the upper end of housing is fixed with end cap, the friction thrust plate is connected with the semiaxis axle sleeve, between housing and fresh idea, be provided with the commutation post, the upper end of commutation post places in the hole of steady ring, above steady ring, be provided with the jump ring of fixation, the lower end of commutation post is connected with the locating friction ring, is set with stage clip on the top of commutation post; In the gap of housing and fresh idea, be provided with engage switch at adjacent two commutation intercolumniations, the inboard of engage switch is provided with the flap keyway with fresh idea flap key engagement, the arranged outside of engage switch has the serrations with housing internal tooth form keyway engagement, is set with the return jump ring at the outer middle side part of engage switch.
Above steady ring, the upper end of commutation post is fixed with the lifting sheet, is provided with centrifugal lift block promoting between sheet and fresh idea.
The utility model can reach the purpose that reduces oil consumption, can make four wheel drive obtain good off-road capability again, and not change former car any structure, has following advantage:
1. simple to operation, convenient.Chaufeur need only be stirred the propons control stalk onboard, is switched on or switched off propons and gets final product, and no longer needs parking, the operation of getting off;
2. oil-saving effect is good.Owing to realized automatic clutch conversion in service, thereby reduced unnecessary cycling start oil consumption;
3. totally enclosed running can not influence use because of advancing ash, soil and leakage of oil, has higher reliability;
4. clutch conversion realizes automatically, the power-transfer clutch that can not occur causing because of maloperation do not work phenomenon and two-wheel clutch asynchrony phenomenon in service.
The radial engagement mode of described power-transfer clutch is " face " joint of engage switch both sides spline in addition, has disperseed bearing surface, and the moment of torsion of device is significantly improved.Simultaneously, the utility model is provided with centrifugal bont, has reduced or eliminated the idle wearing and tearing of friction ring, has improved service life.
Below in conjunction with accompanying drawing and most preferred embodiment content of the present utility model is further elaborated.
Fig. 1 is a main TV structure cross-sectional schematic of the present utility model;
Fig. 2 be after the utility model is removed end cap " from " the plan structure scheme drawing of state;
Fig. 3 is the plan structure scheme drawing of the utility model when being in " closing " state.
With reference to accompanying drawing, the utility model mainly is made up of housing 1, fresh idea 2, friction thrust plate 14, end cap 10 and wheel hub 18, semiaxis 17, housing 1 is provided with and is used for six housing fixed orifices 16 being connected with wheel hub 18, be fixed with end cap 10 in the upper end of housing 1, semiaxis 17 is provided with Formation of Axle Shaft Spline 19, be mainly used in the inner chamber keyway mating reaction drive fresh idea of fresh idea 2 and rotate, be provided with the location bearing 11 that plays the role of positioning in the epicoele of fresh idea 2, friction thrust plate 14 adopts square key to captive joint with semiaxis axle sleeve 20.Be provided with four commutation posts 4 in fresh idea 2 and 1 of housing, top at commutation post 4 is set with the stage clip 6 that limits the engage switch motion, the upper end of stage clip 6 contacts with steady ring 7, the upper end of commutation post 4 places in the hole of steady ring 7, above steady ring 7, be provided with the jump ring 12 of fixation, the lower end of commutation post 4 is connected with locating friction ring 3 threadably, and locating friction ring 3 matches with friction thrust plate 14 and contacts, and mainly plays radial location and friction force is provided; In the gap of housing 1 and fresh idea 2, be provided with four engage switchs 5 at 4 adjacent on two commutation posts, inboard on the engage switch 5 is provided with the flap keyway 23 that the angle with fresh idea flap key 8 fits like a glove, both effects that can be meshing with each other, arranged outside on engage switch 5 has serrations 9, can with 15 effects of being meshed of housing internal tooth form keyway, outer middle side part at engage switch 5 is set with return jump ring 13, be the locking mesh device make it to be close to and make it on the fresh idea to be in " from " the key measure of state; Engage switch 5 is used for being connected of fresh idea and housing, realize four wheel drive from close.Above steady ring 7, be provided with the bottom surface and be plane, top and be the lifting sheet 22 on low inside and high outside inclined-plane, promoting sheet 22 adopts spring cotter to be fixed on the upper end of commutation post 4, promoting the centrifugal lift block 21 that is provided with the tool inclined-plane identical between sheet 22 and the outer side clearance of fresh idea 2 with lifting sheet angle, in order to promote the locating friction ring, reduce idle worn-down purpose to reach by centnifugal force.
The assembling process of this device;
1. get the locating friction ring, screw in four commutation posts and fastening respectively, stage clip is contained on the commutation post;
2. get after fresh idea is pressed into location bearing, screw in circle in the locating friction ring;
3. steady ring is inserted on fresh idea upper end and the commutation post jump ring on the card;
4. get centrifugal lift block and be placed on respectively on the steady ring between adjacent two the commutation posts in the fresh idea upper end outside, will promote sheet and be inserted on fresh idea and each post that commutates, and lock spring cotter;
5. engage switch is placed on respectively between fresh idea and two the commutation posts, and makes its inboard keyway and fresh idea flap key fit return jump ring on the card;
6. be inserted in housing and be pressed into end cap;
7. the thrust plate that will rub pushes on the vehicle front semiaxis axle sleeve and with square key to be fixed, and the front-wheel semiaxis is aimed in clutch assembly pushed rugged housing and front-wheel hub tie bolt with the friction thrust plate.
Working process of the present utility model and principle: this device reflects its clutch state with the radial displacement of engage switch between fresh idea and housing.When fresh idea was static, engage switch was close to the fresh idea outside under the constraint of return jump ring, promptly be in " from " state; When fresh idea turns round, be subjected to self static state to be used to the restriction of centnifugal force that power, running produces and locating friction ring and the friction formed reverse hysteresis power of friction drag that thrust plate produced with engage switch that it pastes mutually, overcome the constrained force of return jump ring, along the reverse slide of curve slope, form the footpath and outwards move to the fresh idea rotation direction.When the serrations in the engage switch outside and housing internal tooth form keyway perfect fitting, move outward and stop, the power of moving is converted into the propelling thrust identical with the fresh idea rotation direction outward, promptly enters the state of " closing ".
When now transferring four wheel drive with automobile to by back-wheel drive is example, is described as follows:
When automobile was in back-wheel drive, the front-wheel semiaxis was not worked, and engage switch is close proximity to the fresh idea outside under the constraint of return jump ring, break away from fully with housing; Connect propons during conversion, the front-wheel semiaxis drives fresh idea run-in synchronism, under the effect of the reverse hysteresis power that engage switch is produced in the fresh idea running, has overcome the constrained force of return jump ring, move the connection housing to the reverse slide of fresh idea rotation direction, outside radially, thereby realize four wheel drive.Along with the fresh idea rotating speed improves constantly, make the centrifugal lift block between the fresh idea outside and lifting sheet, squeeze outside under the action of centrifugal force that continues to increase, steady ring and the gap that promotes sheet are strengthened gradually, and affect the locating friction ring progressively to break away from, thereby idle wearing and tearing have been reduced with the friction thrust plate by promoting the commutation post.
When stopping, the stall of front-wheel semiaxis, because of engage switch and housing are that serrations is connected, housing only need drive the very little angle of engage switch running, and engage switch just can be under the application force of return jump ring, break away from housing, slide back along curve slope, be close to the fresh idea outside, and after centrifugal lift block loses centnifugal force, incipient state is got back in then edge lifting sheet inclined-plane reposition rapidly under the application force of commutation post stage clip.
Claims (2)
1, a kind of front-wheel semiaxis self-acting clutch of four-wheel drive car, by housing (1), fresh idea (2), friction thrust plate (14), end cap (10), semiaxis (17) and wheel hub compositions such as (18), housing (1) is provided with and is used for the housing fixed orifice (16) that is connected with wheel hub (18), be fixed with end cap (10) in the upper end of housing (1), friction thrust plate (14) is connected with semiaxis axle sleeve (20), it is characterized in that between housing (1) and fresh idea (2), being provided with commutation post (4), the upper end of commutation post (4) places in the hole of steady ring (7), be provided with the jump ring (12) of fixation in the top of steady ring (7), the lower end of commutation post (4) is connected with locating friction ring (3), is set with stage clip (6) on the top of commutation post (4); In the gap of housing (1) and fresh idea (2), be provided with engage switch (5) at two adjacent intercolumniations that commutate, the inboard of engage switch (5) is provided with the flap keyway (23) with fresh idea flap key (8) conjugation, the arranged outside of engage switch (5) has the serrations (9) with housing internal tooth form keyway (15) conjugation, is set with return jump ring (13) at the outer middle side part of engage switch (5).
2, the front-wheel semiaxis self-acting clutch of four-wheel drive car as claimed in claim 1, it is characterized in that the top in steady ring (7), the upper end of commutation post (4) are fixed with lifting sheet (22), are provided with centrifugal lift block (21) in the gap that promotes sheet (22) and fresh idea (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99216014 CN2388063Y (en) | 1999-07-14 | 1999-07-14 | Front wheel semi-axle automatic clutch of four-wheel drive automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99216014 CN2388063Y (en) | 1999-07-14 | 1999-07-14 | Front wheel semi-axle automatic clutch of four-wheel drive automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2388063Y true CN2388063Y (en) | 2000-07-19 |
Family
ID=34007790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99216014 Expired - Fee Related CN2388063Y (en) | 1999-07-14 | 1999-07-14 | Front wheel semi-axle automatic clutch of four-wheel drive automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2388063Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189928A (en) * | 2010-03-14 | 2011-09-21 | 贾新成 | Fuel-saving four-wheel drive system of automobile |
| CN105287125A (en) * | 2014-06-26 | 2016-02-03 | 周广刚 | Universal wheel and directional wheel switching device for electric wheelchair |
| CN104149603B (en) * | 2014-08-14 | 2017-03-29 | 集贤县东方机械制造有限公司 | The high low speed rotating instantaneous driver of motor vehicles |
-
1999
- 1999-07-14 CN CN 99216014 patent/CN2388063Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189928A (en) * | 2010-03-14 | 2011-09-21 | 贾新成 | Fuel-saving four-wheel drive system of automobile |
| CN105287125A (en) * | 2014-06-26 | 2016-02-03 | 周广刚 | Universal wheel and directional wheel switching device for electric wheelchair |
| CN105287125B (en) * | 2014-06-26 | 2018-10-30 | 周广刚 | Universal wheel and straight wheel conversion equipment for electric wheelchair |
| CN104149603B (en) * | 2014-08-14 | 2017-03-29 | 集贤县东方机械制造有限公司 | The high low speed rotating instantaneous driver of motor vehicles |
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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 |