CN201231680Y - Controllable oil saving semi shaft of automobile with lock - Google Patents
Controllable oil saving semi shaft of automobile with lock Download PDFInfo
- Publication number
- CN201231680Y CN201231680Y CNU2008200603066U CN200820060306U CN201231680Y CN 201231680 Y CN201231680 Y CN 201231680Y CN U2008200603066 U CNU2008200603066 U CN U2008200603066U CN 200820060306 U CN200820060306 U CN 200820060306U CN 201231680 Y CN201231680 Y CN 201231680Y
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- axle
- power
- transfer clutch
- tooth
- driving gear
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Abstract
Disclosed is a controllable vehicle oil-saving half axle which is provided with a lock and belongs to the vehicle half axle design and manufacturing technical field; the controllable vehicle oil-saving half axle is characterized in that the end part of the haft axle is composed of a half axle rod integrally constructed by bevel driving teeth 1A and a clutch small axle projected in the center of the axle; a thread hole is arranged on a shell body; a screw can be screwed to ensure the driving teeth 1A to be constantly meshed with driven teeth; two arc-shaped pull claws are matched with a Z-shaped pull rod; a positioning hole is arranged in the middle of the Z-shaped pull rod; two symmetrical arms of the Z-shaped pull rod are mounted in axle limit positions of the two arc-shaped pull claws; rotary shafts on the arc-shaped pull claws are fixed on a bracket of the shell body; a clutch unidirectional core plate is arranged in the cavity of the external spiral inner shell of the clutch; both sides of the unidirectional core plate are provided with spaces shaped like cavels without horns; ball bearings are arranged on the horn ends and matched with the clutch, the driving teeth and the driven teeth, so as to ensure the sliding and braking to be in time and controllable and realize the oil saving property; the controllable vehicle oil-saving half axle has a good design which has the advantages of simple structure, convenient operation, safe application, long service life, energy saving and environmental protection.
Description
Technical field
Belonging to automobile axle shaft design and manufacturing technology field, exactly is a kind of controllable gasoline-saving semi-axle for vehicle with lock design and manufacturing technology.
Background technology
The automobile fuel-saving half shaft of Chu Xianing all is to adopt pawl structures in the market, when automobile arrives certain speed, lifts Das Gaspedal soon, and ring gear and driven wheel break away from, thereby vehicle enters sliding state.But there is following defective in the practice process: complex structure, it is big to make difficulty of processing, and product design is difficult to guarantee; Want automobile to enter sliding state, also need to meet or exceed setting speed, coasting speed requires high, makes in the driving process, and it is few to slide chance; When automobile needs to brake more than setting speed, lift Das Gaspedal soon, the automotive wheel housing with start maneuvering system to break away from, influence braking effect and safety factor; Have only when automobile withdraws from sliding state by driving engine speed-raising, initiatively semiaxis and wheel housing could be in conjunction with, bonding state poor controllability.So far, the product of maturation and dependable performance is not also found on the market.
Summary of the invention
The utility model provides a kind of simple in structure, and is easy to manufacture, not easy to wear, in the operational process can safety and can realize controlled, the controllable gasoline-saving semi-axle for vehicle a kind of with lock that dependable performance is stable.
The technical scheme that the utility model is taked is as follows:
A kind of controllable gasoline-saving semi-axle for vehicle with lock comprises semiaxis, driving gear and power-transfer clutch, and its scheme is: the semiaxis end half shafts that little 1B of the power-transfer clutch at the axle center is one by umbrella driving gear 1A and protrusion constitutes; Tapped bore is arranged on housing, communicate with space between driving gear 1A and the passive tooth; Housing makes driving gear and the unseparated lockhole of putting of passive tooth; Its overall structure scheme is: have a centre that the Z type pull bar of knock hole is arranged, symmetry two arms of Z type pull bar are snap-fit on two arc pulling claws, spacing by the axle on it, the rotating shaft of arc pulling claw, be fixed on the shell holder, the inner chamber of power-transfer clutch external spiral inner casing is equipped with the unidirectional core dish of a power-transfer clutch, all there is the space of removing the goat's horn shape its unidirectional core dish both sides, be provided with two balls in the horn shape space, ball one side has spring to offset, and the centre hole of the unidirectional core dish of power-transfer clutch is fixed on the little axle of the half shafts top power-transfer clutch 1B; Semiaxis driving gear 1A has the related cooperation of inclined-plane dovetail tooth with passive tooth, and the cylindrical spline tooth of passive tooth is connected with the housing female splines; Power-transfer clutch inside spin shell and passive tooth endoporus connect as one, and the top of housing and passive tooth is provided with and adds lockhole; Z type pull bar is fixed on the power-transfer clutch external spiral inner casing screw rod, has nut fastening.
The utility model mentality of designing is the utilization principle of inertia, and inside is provided with arc magnetic force pulling claw, matches Z-shaped pull bar and power-transfer clutch external spiral inner casing heavy keying fit with Z-shaped pull bar.When rotating speed reached setting speed, arc magnetic force pulling claw opened under effect of inertia, drove power-transfer clutch external spiral inner casing and rotated synchronously.Under the outer wall helical tooth effect of power-transfer clutch external spiral inner casing, power-transfer clutch inside spin shell produces cross travel, and then pulling passive tooth and driving gear disengaging.Be provided with the unidirectional core dish of power-transfer clutch in the cavity that power-transfer clutch external spiral inner casing and power-transfer clutch inside spin shell form, it can only unidirectionally turn round.Passive tooth links to each other with the wheel housing, and driving gear and semiaxis are fixedly linked.Passive tooth matches with inclined-plane dovetail tooth with driving gear, and is stable when guaranteeing driving condition, and when driving gear speed was slower than passive tooth, disengaging entered sliding state mutually, and when passive tooth speed was slower than driving gear, both interosculated and withdraw from sliding state.
Structural scheme is:
Have a centre that the Z-shaped pull bar of one knock hole is arranged, the axle that symmetry two arms of Z-shaped pull bar are installed on two arc pulling claws is spacing, and the rotating shaft on the arc pulling claw is fixed on the shell holder; The cavity of power-transfer clutch external spiral inner casing is built-in with the unidirectional core dish of a power-transfer clutch, and all there is the space of removing the goat's horn shape its unidirectional core dish both sides, and the angle end is provided with ball, and ball one side has spring to offset;
And annexation with other structure arranged:
The jack shaft of the band flank of tooth is captiveed joint with the driving gear geared surface, and driving gear has the related cooperation of inclined-plane dovetail tooth with passive tooth, and passive tooth is related with the inwall spline tooth of housing with the cylindrical spline tooth; Power-transfer clutch inside spin shell is captiveed joint with the flank of tooth with passive tooth, and matches with the inclined-plane helical tooth with power-transfer clutch external spiral inner casing; Axial vane surface one side of power-transfer clutch external spiral inner casing is fixed Z-shaped pull bar; Z-shaped pull bar, its center of power-transfer clutch external spiral inner casing are by the active jack shaft center that is positioned at of clutch spindle; The unidirectional core dish of power-transfer clutch is captiveed joint with clutch spindle.The pitch space that dovetail tooth related cooperation in inclined-plane is its formation equals the size of a dovetail tooth.The arc pulling claw is that it is the gradually big semicircular arc of width when stretching out, and arc pulling claw outer wall is embedded with magnetic force disk, symmetrical placement.Between passive tooth itself and the shell holder spring is arranged.
Good effect behind enforcement the utility model is:
When reaching certain speed, just can enter sliding state by lifting Das Gaspedal slowly.When being in sliding state, the driver is by brake or speed-raising, and the wheel housing will combine automatically with drive system.Thereby make that enter or withdraw from sliding state all can accomplish artificially controlledly, safe and applicable, has remarkable fuel-economizing ability.Another characteristics of the utility model are to lift throttle soon can not enter sliding state, brake when having guaranteed driving, and automobile is the release the drive system not, has realized traffic safety.And simple in structure, cooperate closely, steady quality, parts are not easy to wear, long service life; At certain speed, lift throttle slowly under the running condition, automobile just enters sliding state; Glancing impact, the wheel housing combines with driving system is automatic, has guaranteed the safety factor of driving; During acceleration, enter driving condition automatically, guarantee that automobile is controlled at any time.
Technique effect of the present utility model is as follows:
Because the present utility model adopts principle of inertia, does not adopt pawl structures, structure is more simple.Characteristics on the structure design make to enter and withdraw from sliding state, all can realize by Das Gaspedal and brake system, have increased controllability, slide chance and are increased, and coasting time obtains prolonging, thereby significantly increases the fuel-economizing ability.Under a rate of onset, open the throttle wide, automobile are in the transmission system drives state, if subtract throttle slowly, passive tooth and driving gear will break away from, eliminate the friction drag of driving system, automobile enters stable sliding state, open out again, the run-in synchronism of the unidirectional tape-reel dynamic clutch of power-transfer clutch external spiral inner casing, force open arc pulling claw closure, power-transfer clutch inside spin shell generation cross travel and then promotion passive tooth combine with driving gear, and automobile reenters driving condition.When sliding state, automobile is by brake system, and passive tooth combines with driving gear is automatic, withdraws from sliding state, guarantees the safety factor of brake system.Structure design makes that entering the sliding state rate request reduces, automobile is at freezing day or snowfield, mountain area road conditions condition extreme difference, also housing can be locked, housing must not enter sliding state, navigating mate can slide according to autonomous selection of road conditions, strengthens coasting time greatly, significantly increases the fuel-economizing ability, and reduce the driving engine loss, prolong engine life.But the driver only needs by Das Gaspedal and brake system free control sliding state just, and mode is simple, and need not stepping on clutch when sliding, and greatly reduces navigating mate labour intensity.Because coasting time extends greatly, the fuel-economizing ability increases, and causes the vehicle fuel consumption reduction, has also reduced the pollution of vehicle exhaust to environment.
Description of drawings
Fig. 1 is the utility model structural profile scheme drawing;
Fig. 2 is half shafts, has the little axle of driving gear 1A and unidirectional core dish 1B to be constituted by one;
Fig. 3, power-transfer clutch individual event core dish 23 and ball 21,22 be in conjunction with birds-eye view,
Fig. 4, semiaxis driving gear 1A cooperates scheme drawing with passive tooth 8,
Fig. 5, for arc pulling claw 13,14 combines birds-eye view with Z-shaped pull bar 11,
The specific embodiment
Now in conjunction with the accompanying drawings the present utility model is described further,
A kind of controllable gasoline-saving semi-axle for vehicle with lock comprises semiaxis, driving gear and power-transfer clutch, and its structure is: the semiaxis end half shafts that little 1B of the power-transfer clutch at the axle center is one by umbrella driving gear 1A and protrusion constitutes; On housing 5, tapped bore is arranged, communicate with space between driving gear 1A and the passive tooth 8; Housing 5 makes driving gear and the unseparated lockhole of putting of passive tooth; The screw of can screwing on as required on the tapped bore makes driving gear 1A and passive tooth remain engagement; Its overall structure is: have a centre that the Z type pull bar 11 of knock hole is arranged, symmetry two arms of Z type pull bar are snap-fit at two arc pulling claws 13, on 14, spacing by the axle 27 on it, the rotating shaft 16 of arc pulling claw, 17 are fixed on the shell holder 18, the inner chamber of power-transfer clutch external spiral inner casing 10 is equipped with the unidirectional core dish 23 of a power-transfer clutch, all there is the space of removing the goat's horn shape its unidirectional core dish 23 both sides, be provided with two balls 21 in the horn shape space, 22, ball one side has spring to offset, and the centre hole of the unidirectional core dish of power-transfer clutch is fixed on the little axle of the half shafts top power-transfer clutch 1B; Semiaxis driving gear 1A has the related cooperation of inclined-plane dovetail tooth with passive tooth 8, and the cylindrical spline tooth of passive tooth 8 is connected with housing 5 female spliness; Power-transfer clutch inside spin shell 20 connects as one with passive tooth 8 endoporus, and the top of housing 5 and passive tooth 8 is provided with and adds lockhole 7; Z type pull bar 11 is fixed on power-transfer clutch external spiral inner casing 10 screw rods, has nut 12 fastening.The outer end with case 9 by bolt 19 fastening encapsulation.The pitch space that dovetail tooth related cooperation in described inclined-plane is its formation equals the size of a dovetail tooth.3 springs are arranged between described passive tooth 8 and its shell holder 18.Arc pulling claw 13,14th drives Z type pull bar 11 when it is opened, the arc pulling claw is opened to that maximum seat is circular a fixedly arc pulling claw of shell fragment 26.
In conjunction with the accompanying drawings its working process is described below
When driving motoring condition, engine driving system connects jack shaft 1, and jack shaft 1 drives passive tooth 8 by the driving gear 1A on the half shafts and rotates synchronously, does running in the same way thereby passive tooth 8 drives wheel housing 5.At this moment, the unidirectional core dish 23 of power-transfer clutch drives 10 run-in synchronisms of power-transfer clutch external spiral inner casing, forces arc pulling claw 13,14 not open, and guarantees to drive motoring condition.Reaching on the setting speed, in the time of need entering sliding state, chaufeur is gently lifted Das Gaspedal, engine speed slows down, and is in idle fiery state, and jack shaft 1 speed is slowed down, arc magnetic force pulling claw 13,14 open under effect of inertia, and the Z type pull bar 11 that pulling is embedded in it rotates, and drive with the fixing power-transfer clutch external spiral inner casing 10 of Z type pull bar and rotate synchronously.Under the inclined-plane helical tooth effect of 20 on power-transfer clutch external spiral inner casing 10 and power-transfer clutch inside spin shell, power-transfer clutch external spiral inner casing 10 produces cross travels, and then pulling passive tooth 8 breaks away from driving gear 1A.Automobile release the drive system enters sliding state.The arc pulling claw opens under the force of inertia effect when sliding, and has guaranteed the smooth operation of sliding state.
Withdraw from from sliding state:
One, utilizes brake system, wheel housing 5 speed reduce, when being lower than semiaxis 1 speed, the unidirectional core dish 23 of power-transfer clutch drives power-transfer clutch external spiral inner casing 10 and rotates synchronously, force power-transfer clutch external spiral inner casing 10 and power-transfer clutch inside spin shell 20 to relatively rotate, get back to initial, set position, and force arc pulling claw 13,14 closures.Thereby passive tooth 8 is combined closely again with driving gear 1A, and automobile withdraws from sliding state, is connected with driving system again, has guaranteed that brake system gets stability and security.
Two, the vehicle coasting speed is because surface resistance is when being reduced to certain speed gradually, and arc pulling claw 13,14 also can auto-closing, thereby passive tooth 8 combines with driving gear 1A, and automobile enters driving condition.
Three, oiling speed-raising state, semiaxis 1 speed during faster than wheel housing 5 the unidirectional core dish 23 of power-transfer clutch just drive 10 run-in synchronisms of power-transfer clutch external spiral inner casing, thereby driving Z type pull bar 11 relatively rotates, force open arc pulling claw 13,14 closures, power-transfer clutch inside spin shell 20 relatively rotates with power-transfer clutch external spiral inner casing 10, produces cross travel under the effect of inclined-plane helical tooth, gets back to initial, set position, and then promote passive tooth 8 and combine with driving gear 1A, automobile reenters driving condition.
Another characteristics of the utility model are that when lifting the Das Gaspedal brake soon, the utility model does not enter sliding state, the safety when having guaranteed brake.Driving gear 1A combines with inclined-plane dovetail tooth with passive tooth 8, and wherein the driving gear space of tooth is greater than passive tooth.Automobile is when the conducting system driving condition, driving gear 1A drives passive tooth 8 runnings, when lifting Das Gaspedal soon, driving gear speed reduces suddenly, make the interval of passive tooth and driving gear between cog less than the space of 1 tooth, cause and to skid off, thereby when having guaranteed brake, wheel and automobile driving system still are in bonding state.
The accessory title of other numberings is: oil sealing cover 3; End ring 4; Bearing 24; Z-type pull bar 11; Z-type pull bar hold-down nut 12; Three passive tooth springs 25; The little axle 16,17 of arc pulling claw; Sealing ring 2.
Claims (3)
1, a kind of controllable gasoline-saving semi-axle for vehicle with lock comprises semiaxis, and driving gear and power-transfer clutch is characterized in that: the semiaxis end half shafts that little 1B of the power-transfer clutch at the axle center is one by umbrella driving gear 1A and protrusion constitutes; On housing (5), tapped bore is arranged, communicate with space between driving gear 1A and the passive tooth (8); Housing (5) makes driving gear and the unseparated lockhole of putting of passive tooth; Its overall structure is: have a centre that the Z type pull bar (11) of knock hole is arranged, symmetry two arms of Z type pull bar are snap-fit at two arc pulling claws (13,14) on, spacing by the axle (27) on it, the rotating shaft (16 of arc pulling claw, 17) be fixed on the shell holder (18), the inner chamber of power-transfer clutch external spiral inner casing (10) is equipped with the unidirectional core dish of a power-transfer clutch (23), all there is the space of removing the goat's horn shape its unidirectional core dish (23) both sides, be provided with two balls (21 in the horn shape space, 22), ball one side has spring to offset, and the centre hole of the unidirectional core dish of power-transfer clutch is fixed on the little axle of the half shafts top power-transfer clutch 1B; Semiaxis driving gear 1A has the related cooperation of inclined-plane dovetail tooth with passive tooth (8), and the cylindrical spline tooth of passive tooth (8) is connected with housing (5) female splines; Power-transfer clutch inside spin shell (20) connects as one with passive tooth (8) endoporus, and the top of housing (5) and passive tooth (8) is provided with and adds lockhole (7); Z type pull bar (11) is fixed on power-transfer clutch external spiral inner casing (10) screw rod, has nut (12) fastening.
2, controllable gasoline-saving semi-axle for vehicle with lock according to claim 1 is characterized in that: the pitch space that dovetail tooth related cooperation in described inclined-plane is its formation equals the size of a dovetail tooth.
3, controllable gasoline-saving semi-axle for vehicle with lock according to claim 1 is characterized in that: between described passive tooth (8) and its shell holder (18) 3 springs are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200603066U CN201231680Y (en) | 2008-06-25 | 2008-06-25 | Controllable oil saving semi shaft of automobile with lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200603066U CN201231680Y (en) | 2008-06-25 | 2008-06-25 | Controllable oil saving semi shaft of automobile with lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201231680Y true CN201231680Y (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200603066U Expired - Fee Related CN201231680Y (en) | 2008-06-25 | 2008-06-25 | Controllable oil saving semi shaft of automobile with lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201231680Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875283A (en) * | 2015-06-02 | 2015-09-02 | 中国南方航空工业(集团)有限公司 | Precise casting method for barrel-type parts and precise casting mold for method |
-
2008
- 2008-06-25 CN CNU2008200603066U patent/CN201231680Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875283A (en) * | 2015-06-02 | 2015-09-02 | 中国南方航空工业(集团)有限公司 | Precise casting method for barrel-type parts and precise casting mold for method |
| CN104875283B (en) * | 2015-06-02 | 2017-03-08 | 中国南方航空工业(集团)有限公司 | A kind of casting method for cylindrical part and its mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20120625 |