CN2390345Y

CN2390345Y - Secodary power motor with linkage structure

Info

Publication number: CN2390345Y
Application number: CN 99216769
Authority: CN
Inventors: 李书贤
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-07-16
Filing date: 1999-07-16
Publication date: 2000-08-02
Anticipated expiration: 2009-07-16

Abstract

The utility model relates to an auxiliary power motor with a linkage structure, which comprises a wheel casing, a motor, a shaft sleeve, a wheel shaft and a one-way clutch with ultra rotation speed, wherein, the motor is arranged in the wheel casing, and the one-way clutch with ultra rotation speed is arranged on one end of an output shaft of the motor, so an outer ring of the one-way clutch with ultra rotation speed is fixed with the wheel casing. When the motor in the wheel casing transmits power to the wheel casing, the wheel casing has no vibration via the one-way clutch with ultra rotation speed; when an electric vehicle moves backwards, an auxiliary power motor of the electric vehicle has no sound.

Description

Auxiliary driving motor with linkage structure

The utility model relates to a kind of vehicular propulsion, relates in particular to a kind of auxiliary driving motor with linkage structure.

The design of the electric motor car auxiliary driving motor of commonly using 10, but mainly be the front-wheel central authorities (as shown in Figure 1) that are fixedly arranged on electric motor car that make its turn state, advance with the auxiliary electric motor car that drives; And the auxiliary driving motor internal structure has some kinds of forms respectively, the auxiliary driving motor of easy structure wherein, be in a hub, to be provided with an electro-motor, make the rotor and an axle sleeve of this motor affixed, and borrow a single direction ratchet 20 to be sheathed between axle sleeve and hub, and then can make axle sleeve drive this hubs revolution when making the revolution of this rotor via this single direction ratchet 20, to reach the effect of auxiliary power.Again, another kind of auxiliary driving motor internal structure (shown in the 93215666th and No. 94209648 novel patent), except that in this hub, establishing the electro-motor, still the side at motor is provided with a change-speed gearing group, the formation of this change-speed gearing group is to set firmly an inner circular tooth outside motor shell, and make one or more than one planetary gear be located at single-revolution dish one side, make this planetary gear be meshed again with inner circular tooth, this planetary gear of gear driven of axle sleeve one end is turned round in inner circular tooth, borrow a single direction ratchet 20 that this hub is rotated when making the rotation of this rotary disk, except that the effect that obtains auxiliary power, also can reach the function of deceleration.Known to above-mentioned, make the power output of motor drive the rotating device of this hub, be indispensable this single direction ratchet 20.

The single direction ratchet of commonly using 20 (shown in Fig. 2 A), formed by an external toroidal ring 201, one interior ring 202 and some ratchets 203, when a side is turned round, make these ratchet 203 card contracts by interior ring 202 in the middle of the interior roller seating space 2011 of external toroidal ring 201, ring 202 drives external toroidal ring 201 revolutions in making; When interior ring 202 reversed turnings, this ratchet 203 can not block contract to external toroidal ring 201, only should in ring 202 rotations, this is the intrinsic characteristic of the single direction ratchet commonly used 20.When it is used in the auxiliary driving motor of electric motor car or during general bicycle trailing wheel, this ratchet 203 is hit to external toroidal ring 201 (shown in Fig. 2 B), and produce the rapid sound at intermittence; When changeing before the wheel, because of having the gap drop, it make these ratchet 203 bump external toroidal rings 201 that " kowtowing " sound and vibratory sensation (shown in Fig. 2 C) take place again.So easily because of the former of vibrations thereby influence the precision and the useful life of electric motor car auxiliary driving motor, and cause the rider uncomfortable feeling, the non-rational design of reality.

Main purpose of the present utility model is, a kind of auxiliary driving motor with linkage structure is provided, when making the interior motor of electric motor car auxiliary driving motor hub spread out of power to hub, with the rotary speed one-way clutch (0verrunning clutch) that overhauls is its linkage, at any time withstand the external toroidal ring inner edge portion with wherein action, make motor force-output shaft and hub keep no gap linkage status, eliminate uncomfortable vibratory sensation when making the electric motor car auxiliary driving motor start, and electric motor car is when stepping back, its action promptly breaks away from external toroidal ring, makes auxiliary driving motor overcome the single direction ratchet noise sound at existing intermittence.

The purpose of this utility model is realized by following technical scheme.

A kind of auxiliary driving motor with linkage structure comprises a hub, a motor, an axle sleeve, a wheel shaft, wherein: hub, be corresponding shape folder by two discoid hollow caps and establish an annulus and formed, two cap central authorities all have a through hole; Motor, it is that an inside is provided with the starter that a track ring and a rotor disk are constituted; Axle sleeve is the drive socket of a hollow form, mainly is the outlet terminal axle of exerting oneself that becomes this motor with it; Wheel shaft, it is a circular jack-post, can stride between the wheel fork arm of being located at electric motor car, to become the rotating fulcrum of auxiliary driving motor; It is characterized in that, be provided with the rotary speed one-way clutch that overhauls, with a circular external toroidal ring, be provided with several grooves in its inner face, and offer a containing hole in each notch end cell wall place, insert a spring and a fore-set in this containing hole in regular turn, the son that again roller-type moved is and axially is inserted in this groove, make fore-set end extruding action, make the sub circumference of this action often be held in the rim surface of groove, this rotary speed one-way clutch that overhauls is to be sheathed on around the outlet terminal axle sleeve of motor, its action is placed on the axle sleeve surface is direct contact shape, and its external toroidal ring just is fixedly arranged in the through hole of hub one cap.Drive the rotating linkage of hub with this rotary speed one-way clutch that overhauls as motor, prevent to produce vibratory sensation when auxiliary driving motor from starting, and make electric motor car retreat noiselessness.

Whereby, this axle sleeve is located at a side of motor, make axle sleeve become the outlet terminal axle of motor, can be driven turn state and be, again this wheel shaft is arranged in the axle sleeve, and above-mentioned hub two caps are sheathed on wheel shaft both sides axle body respectively, with this motor and axle sleeve sealing, constitute the auxiliary driving motor of electric motor car.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid auxiliary driving motor with linkage structure, this rotary speed one-way clutch that overhauls, can be a kind of structure with external toroidal ring, irregular action, interior ring and retainer, sheathed interior ring in the external toroidal ring, several irregular actions of ring and the common clamping of external toroidal ring in making will move sub the location with retainer; If ring was placed on axle sleeve one end in this was about to, and external toroidal ring still is installed in the through hole of a cap, starts shockproof sense to reach auxiliary driving motor, and the noiselessness sound.

Aforesaid auxiliary driving motor with linkage structure, this retainer are to buttress support iron plate, the sheet that irregular action is followed quick march.

Aforesaid auxiliary driving motor with linkage structure, this rotary speed one-way clutch that overhauls, can be a kind of only have ball action and interior ring, order should interior ring peripheral surface have several grooves, and offer a containing hole in the terminal surface of each groove, and a spring and a fore-set are inserted in regular turn, this ball action is set in groove again, whereby interior ring is placed on sleeve end, directly is held in the hole wall of cap through hole with this ball action.

Aforesaid auxiliary driving motor with linkage structure, this rotary speed one-way clutch that overhauls can comprise an external toroidal ring, ball action, interior ring and retainer, is equipped with bearing ball in the interior ring, ring is sheathed on axle sleeve in making, and external toroidal ring places the cap through hole.

Aforesaid auxiliary driving motor with linkage structure, this rotary speed one-way clutch that overhauls, also can have ring in an external toroidal ring, several roller action and one, and the peripheral surface of ring also has several grooves, containing hole, spring and fore-set in being somebody's turn to do, roller action is arranged in held by fore-set, make this roller action still be no gap and contact, and selection is installed in an end of axle sleeve with the inner face of external toroidal ring.Shockproof to constitute, noiseless auxiliary driving motor.

Aforesaid auxiliary driving motor with linkage structure, this rotary speed one-way clutch that overhauls can be located at the axle head of finally exerting oneself of a reduction gear, and motor is turned round via reduction gear deceleration strip driving wheel shell.

Aforesaid auxiliary driving motor with linkage structure, the wheel shaft that this rotary speed one-way clutch that overhauls is worn can be cut a hole and establish the above groove in a place, and (HEAT PIPE) imbeds groove with heat pipe.The motor internal heat is transmitted to the heat radiation of hub outside.

Aforesaid auxiliary driving motor with linkage structure, this heat pipe seals after can being evacuated in metal catheter and adding pure water and attaching material, utilize pure water low boiling characteristic outwards to conduct heat rapidly, outer wind-guiding nest, the fan blade of can establishing of hub is to quicken heat of cooling conduit.

Aforesaid auxiliary driving motor with linkage structure, this heat pipe can be tubulose, sheet, and the material of will dispelling the heat fits on wheel shaft the inside, the surface with any form.

The aforementioned hot conduit can adopt copper pipe to make, in copper pipe, vacuumize and add pure water and heat-conducting medium such as fiber etc., sintering is sealed to a tube again, utilize the boiling point of pure water to have only about 37 ℃, motor flows rapidly in pipe once the heat evaporation and makes pipe reach samming, Yi Bian if cooling off, as normal temperature, fan, gentle breeze ... all can facilitate the pipe cooling, and with the heat of the other end in the motor shell, conduction comes out to reach radiating effect.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 commonly uses electric motor car auxiliary driving motor installing schematic diagram.

Fig. 2 A is a front view of commonly using single direction ratchet.

Fig. 2 B commonly uses the schematic diagram that single direction ratchet produces vibratory sensation.

Fig. 2 C commonly uses the schematic diagram that single direction ratchet produces noise.

Fig. 3 is an exploded perspective schematic diagram of the present utility model.

Fig. 4 is a combination section of the present utility model.

Fig. 5 A is the overhaul schematic perspective view of rotary speed one-way clutch of the utility model.

Fig. 5 B is the overhaul front view of rotary speed one-way clutch of the utility model.

Fig. 6 A is that the utility model rotary speed one-way clutch that overhauls turns round the schematic diagram of shockproof sense.

Fig. 6 B is the overhaul schematic diagram of the no dry sound of rotary speed one-way clutch reversing of the utility model.

Fig. 7 A is the rotary speed one-way clutch sectional axonometric drawing that overhauls that the utlity model has irregular action.

Fig. 7 B is the rotary speed one-way clutch part sectioned view that overhauls that the utlity model has irregular action.

Fig. 8 is the rotary speed one-way clutch part sectioned view that overhauls that the utlity model has another kind of irregular action.

Fig. 9 is that the rotary speed one-way clutch master that overhauls that ring and ball are made rotor in the utlity model has looks part sectioned view.

Figure 10 is that the rotary speed one-way clutch master that overhauls who the utlity model has bearing ball looks part sectioned view.

Figure 11 is the utility model is made rotor with a kind of ball the rotary speed one-way clutch profile that overhauls.

Figure 12 A is the overhaul exploded schematic perspective view of rotary speed one-way clutch of the utility model another kind.

Figure 12 B is the overhaul part sectioned view of rotary speed one-way clutch of the utility model another kind.

For further understanding architectural feature of the present utility model and other effect, purpose, exemplify embodiment now and conjunction with figs. is described in detail as follows:

As shown in Figure 3, Figure 4, the utility model comprises a hub 1, a motor 2, an axle sleeve 3, a wheel shaft 4 and rotary speed one-way clutch 5 that overhauls at least, wherein:

Hub 1, it is corresponding shape folder by two discoid hollow caps 11,11 ' and establishes 12 on a circle ring and form, to form inside is hollow state, all has a through hole 111,111 ' in two caps 11,11 ' centre, borrow this hub 1 dog hole 112,112 ' on every side, can directly make the tire of sheathed vehicle on every side of hub 1, and make it can drive the wheel revolution.

Motor 2, it is provided with the starter motor that a track ring and a rotor disk are constituted for a kind of in inside, can be installed in the inside of this hub 1;

Axle sleeve 3 is a kind of drive socket of hollow form, mainly is the terminal force-output shaft that becomes this motor 2 with it.

Wheel shaft 4, it is a circular jack-post, mainly is can stride between two front fork stems of being located at electric motor car, becomes the rotating fulcrum of auxiliary driving motor with it.

Rotary speed one-way clutch 5 overhauls, shown in Fig. 5 A and Fig. 5 B, its structure mainly is with a circular external toroidal ring 51, face is provided with several grooves 511 within it, the section start of this groove 511 be cave in more shallow, and the end be cave in darker, and offer a containing hole 512 at each terminal cell wall place, in this containing hole 512, insert a spring 513 and a fore-set 514 whereby in regular turn, be with roller-type action 52 again and axially be inserted in this groove 511, make fore-set 514 ends extruding action 52, make the circumference of this action sub 52 often be held in the rim surface of groove 511.

Borrow above-mentioned basic building block, it forms an electric motor car auxiliary driving motor configuration state, be to place a side into motor 2 with this axle sleeve 3, make the rotor disk of axle sleeve 3 one ends and motor 2 link combination, and be and can be driven rotating state by rotor disk, and axle sleeve 3 other ends are to extend to outside motor 2 one sides, again this wheel shaft 4 is arranged in the axle sleeve 3, making axle sleeve 3 become this motor 2 can rotating force-output shaft, and 1 liang of cap of above-mentioned hub 11,11 ' is sheathed on wheel shaft 4 both sides axle bodies respectively, with with 3 sealings of this motor 2 and axle sleeve, and constitute the auxiliary driving motor of an electric motor car.This rotary speed one-way clutch 5 that overhauls is to be located at motor 2 outer axle sleeve 3 ends to locate on every side, it is provided with structure is action 52 to be placed on axle sleeve 3 surfaces be direct contact shape, 51 of its external toroidal rings just are fixedly arranged in the through hole 111 of hub 1 one caps 11, drive hub 1 rotating linkage with this rotary speed one-way clutch 5 that overhauls as motor 2.

The utility model is the improvement design that adopts the rotary speed one-way clutch 5 that overhauls at these motor 2 transmission of power to the drive mechanism of hub 1.Because action 52 of this rotary speed one-way clutch 5 that overhauls is to be with external toroidal ring 51 and axle sleeve 3 directly to contact shape, when if the rotor disk of this motor 2 turns round towards a directed startup, can make axle sleeve 3 revolutions, and with of the shallow end direction displacement of axle sleeve 3 friction drive action sons 52 toward grooves 511, make action 52 be subjected to groove 511 end faces and axle sleeve 3 surface extrusions, and then drive this external toroidal ring 51 revolutions (as shown in Figure 6A) gradually, and reach drive hub 1 and the rotating purpose of wheel with it.Rotary speed one-way clutch 5 action 52 are to drive external toroidal ring 51 revolutions in the mode that holds extruding and these groove 511 end faces that rub gradually because this overhauls, and can not produce situation, even shockproof sense when auxiliary driving motor starts wheel as the ratchet of single direction ratchet bump external toroidal ring; When the wheel reversed turning of electric motor car, this action 52 is to produce the strength (shown in Fig. 6 B) that holds extruding groove 511 end faces, therefore, does not have the rapid chirp of commonly using single direction ratchet.Can eliminate vibratory sensation and noise by the above-mentioned rotary speed one-way clutch 5 that overhauls, more comfortable when making the user ride electric motor car, and be not subjected to noise jamming, can prevent that more shaking force from destroying auxiliary driving motor.

And the structural shape of this rotary speed one-way clutch 5 that overhauls shown in Fig. 7 A and Fig. 7 B, can be and a kind ofly has external toroidal ring 51A, irregular (Sprag) and move the rotary speed one-way clutch 5A that overhauls of sub-52A, interior ring 53A and retainer 54A; Wherein the inner face of this external toroidal ring 51A does not have groove, and in external toroidal ring 51A sheathed should in ring 53A, make interior ring 53A and the sub-52A of several irregular actions of the common clamping of external toroidal ring 51A, and be located with retainer 54A.The sub-52A of this irregular action be " Shape.Interior ring 53A is placed on axle sleeve 3 one ends, and external toroidal ring 51A still is installed in the through hole 111 of a cap 11, when ring 53A turns round in axle sleeve 3 drives, can make the sub-52A of irregular action turn an angle, and then with friction and bearing force drive external toroidal ring 51A and hub 1 revolution, reaching the effect that auxiliary driving motor starts shockproof sense equally, and the vehicle rollback noiselessness sound.Again, as shown in Figure 8, this rotary speed one-way clutch 5B that overhauls still has external toroidal ring 51B, irregular (Sprag) and moves sub-52B, interior ring 53B and retainer 54B, and the sub-52B of its irregular action conforms to above-mentioned effect, so do not give unnecessary details in addition.

Moreover, as shown in Figure 9, this rotary speed one-way clutch 5C that overhauls, only have ball and move sub-52C, interior ring 53C for a kind of, make the peripheral surface of ring 53C in this have several grooves 531C, and offer a containing hole 532C at the terminal surface of each groove 531C, an one spring 533C and a fore-set 534C are inserted in regular turn, move sub-52C if in groove 531C, install ball again, promptly move sub-52C and directly be held in the hole wall of cap 11 through holes 111 with this ball, obtaining above-mentioned drive hub 1 rotating effect, and start shockproof sense, retreat the noiselessness sound.As shown in figure 10, this rotary speed one-way clutch 5D that overhauls is to have external toroidal ring 51D, spin to move sub-52D, interior ring 53D and retainer 54D, is equipped with bearing ball 55D in interior ring 53D, and it also can obtain above-mentioned functions and effect.Again, the rotary speed one-way clutch 5E that overhauls as shown in figure 11, also have external toroidal ring 51E, ball simultaneously and move sub-52E, interior ring 53E and retainer 54E, and selection is installed in an end of axle sleeve 3, and then drive 1 revolution of this hub with identical functions and effect, constitute a shockproof and noiseless electric motor car auxiliary driving motor.

But, this rotary speed one-way clutch 5F that overhauls shown in Figure 12 A and Figure 12 B, be to have an external toroidal ring 51F, several rollers to move ring 53F in sub-52F and, and the peripheral surface of ring 53F also has several grooves 531F, containing hole 532F, spring 533F and fore-set 534F in being somebody's turn to do, making roller move sub-52F is arranged in and held by fore-set 534F, make this roller move sub-52F and still be no gap and contact, can obtain the shockproof and noiseless effect of auxiliary driving motor equally with the inner face of external toroidal ring 51F.So, can with action of the rotary speed one-way clutch that overhauls start, when retreating, the through hole 111 that all is no gap contact external toroidal ring, interior ring or cap 11, or this axle sleeve 3, the utility model all can be implemented easily, all simple and easy variation or displacements of being done with this technological means all should belong to technology contents of the present utility model.

Moreover this rotary speed one-way clutch that overhauls in the utility model also can be established the axle head of finally exerting oneself of the motor with reduction gear, this motor is slowed down via reduction gear drive this hub revolution.

In sum, the utility model really has practicality with creative, and the utilization of its means also has novelty, meets the patent application important document, so file an application in accordance with the law.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of auxiliary driving motor with linkage structure comprises a hub, a motor, an axle sleeve, a wheel shaft, wherein:

Hub is corresponding shape folder by two discoid hollow caps and establishes an annulus and formed, and two cap central authorities all have a through hole;

Motor, it is that an inside is provided with the starter that a track ring and a rotor disk are constituted;

Axle sleeve is the drive socket of a hollow form, mainly is the outlet terminal axle of exerting oneself that becomes this motor with it;

Wheel shaft, it is a circular jack-post, can stride between the wheel fork arm of being located at electric motor car, to become the rotating fulcrum of auxiliary driving motor;

It is characterized in that,

Be provided with the rotary speed one-way clutch that overhauls, with a circular external toroidal ring, be provided with several grooves in its inner face, and offer a containing hole in each notch end cell wall place, insert a spring and a fore-set in this containing hole in regular turn, the son that again roller-type moved is and axially is inserted in this groove, make fore-set end extruding action, make the sub circumference of this action often be held in the rim surface of groove, this rotary speed one-way clutch that overhauls is to be sheathed on around the outlet terminal axle sleeve of motor, its action is placed on the axle sleeve surface is direct contact shape, its external toroidal ring just is fixedly arranged in the through hole of hub one cap, drives the rotating linkage of hub with this rotary speed one-way clutch that overhauls as motor;

2, the auxiliary driving motor with linkage structure according to claim 1, it is characterized in that, this rotary speed one-way clutch that overhauls, can be a kind of structure with external toroidal ring, irregular action, interior ring and retainer, sheathed interior ring in the external toroidal ring, several irregular actions of ring and the common clamping of external toroidal ring in making will move sub the location with retainer; If ring was placed on axle sleeve one end in this was about to, and external toroidal ring still is installed in the through hole of a cap.

3, the auxiliary driving motor with linkage structure according to claim 2 is characterized in that, this retainer is to buttress support iron plate, the sheet that irregular action is followed quick march.

4, the auxiliary driving motor with linkage structure according to claim 1, it is characterized in that, this rotary speed one-way clutch that overhauls, can be a kind of sub and interior ring of ball action that only has, order should interior ring peripheral surface have several grooves, and offered a containing hole in the terminal surface of each groove, one spring and a fore-set are inserted in regular turn, this ball action is set in groove again, whereby interior ring is placed on sleeve end, directly be held in the hole wall of cap through hole with this ball action.

5, the auxiliary driving motor with linkage structure according to claim 1, it is characterized in that, this rotary speed one-way clutch that overhauls, can comprise an external toroidal ring, ball action, interior ring and retainer, be equipped with bearing ball in the interior ring, ring is sheathed on axle sleeve in making, and external toroidal ring places the cap through hole.

6, the auxiliary driving motor with linkage structure according to claim 1, it is characterized in that, this rotary speed one-way clutch that overhauls, also can have ring in an external toroidal ring, several roller action and one, and the peripheral surface of ring also has several grooves, containing hole, spring and fore-set in being somebody's turn to do, roller action is arranged in held by fore-set, making this roller action still be no gap with the inner face of external toroidal ring contacts, and selection is installed in an end of axle sleeve, shockproof to constitute, noiseless auxiliary driving motor.

7, the auxiliary driving motor with linkage structure according to claim 1 is characterized in that, this rotary speed one-way clutch that overhauls can be located at the axle head of finally exerting oneself of a reduction gear, and motor is turned round via reduction gear deceleration strip driving wheel shell.

8, the auxiliary driving motor with linkage structure according to claim 1 is characterized in that, the wheel shaft that this rotary speed one-way clutch that overhauls is worn can be cut a hole and establish the above groove in a place, and heat pipe is imbedded groove.

9, the auxiliary driving motor with linkage structure according to claim 8 is characterized in that, this heat pipe seals after can being evacuated in metal catheter and adding pure water and attaching material.

10, the auxiliary driving motor with linkage structure according to claim 1 is characterized in that, this heat pipe can be tubulose, sheet, and the material of will dispelling the heat fits on wheel shaft the inside, the surface.