CN2198143Y

CN2198143Y - Motor driving high and low speed regulator

Info

Publication number: CN2198143Y
Application number: CN 94213609
Authority: CN
Inventors: 巫东和
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-06-18
Filing date: 1994-06-18
Publication date: 1995-05-24
Anticipated expiration: 2004-06-18

Abstract

The utility model provides a motor driving type high and low speed regulator, which is mainly composed of a motor, a speed changing gear, a middle controlled gear, one-way clutches respectively arranged on th upper part and the lower part of the middle controlled gear, a speed reduction gear, an acceleration gear and a gear shaft whose shaft end is provided with a power output shaft, wherein, a positive and negative direction switching control of power supply is arranged in the main body of the motor. At the time of use, the two one-way clutches can be respectively caused to exactly and stably drive through switching the positive and negative direction of the power supply. When the middle controlled gear is rotated in the positive direction, the power output shaft can drive a tool disc to rotate in a low speed. When the middle controlled gear is rotated in the negative direction, the power output shaft can rotate in a low speed.

Description

Motor driving high and low speed regulator

The utility model is about a kind of motor driving type high and low speed changing device, particularly handle two cover free-wheel clutchs about a kind of motor forward and backward of utilizing, by different gears mesh than reaching high low speed output transform, thereby control connects the tool shelf rotating speed established and the device of moment.

Because society is showing improvement or progress day by day and uplifts the people's living standard relatively, therefore all stress high efficiency, the high general mood of enjoying at present in formation, so there are many products constantly to produce with power tool replacement applied by hand, but generally speaking, hand tool with the miniature motor drive performance, the single movement state is only arranged, can't do suitable application implementation in different use occasions, such as: multiple utilizations such as the vibrations of automobile carwash, waxing carwash, massager or the electronic wash bottle of rolling and cooking utensils and egg-whisk, wherein:

Carwash, waxing: must utilize when scrubbing brushing tool with slow and high torsion carry out detailed, scrub work completely, therefore, speed must not be too fast, otherwise liquid (cleaning agent or water) can produce churning along centrifugal direction.And during waxing, then to cured oil evenly be smeared wiping with foam or flannelette, beat at a high speed with the cloth wheel body brighter, so scrub, high and low must the difference to some extent of rotating speed of waxing, just can finish the function that it should possess really.

Commercially available electronic bottle washer, egg-whisk is the product of implementing simple function at present, though have polyfunctional research and development concurrently, all because of only there being the shared effect that causes of same rotating speed bad.

Massage is that busy life simple and easy alleviates mode tired out always, but because of the different massage effects that massage produced different, and the electric massager of at present actv. and widespread use, two kinds of rolling wheel massaging and vibrations massages are arranged, wherein, rolling wheel massaging during with the motor transmission the high torsion of slow speed of revolution realize, the vibrations massage is then finished by the high rotating speed of motor, so the roller type massage is completely different with the type of drive of vibration-type massage, therefore, must implement roller and vibrations massage with different subjects in the existing massager.

The purpose of this utility model, promptly providing a kind of motor driving type high and low speed changing device, it can be under a main body and motor situation, only cut control by power supply is positive and negative, just can reach the purpose of same output shaft output high, low speed conversion, or allow different output shafts export the purpose of high, low speed respectively as required.

A kind of motor driving type high and low speed changing device that provides according to the utility model, it is characterized in that just establishing power supply in the main body, oppositely cut the motor of control, its shaft end gear is engaged in a variable gear, the steamboat of variable gear is engaged in and controls gear in one, middle control gear respectively is provided with a free-wheel clutch up and down, in prominent respectively the prolonging of control gear both ends of the surface become forward arc to rise and reverse arc plays the pair of meshing tooth that respectively constitutes a free-wheel clutch, prolong into reverse arc and work the pair of meshing tooth that constitutes a free-wheel clutch and the reducing gear end face of coaxial positioning is prominent, another accelerating gear end face is then prominent to prolong forward that arc works the pair of meshing tooth that constitutes another free-wheel clutch, the axle two ends are respectively equipped with compels the top deceleration, the spring of accelerating gear, reducing gear or accelerating gear are engaged in a gear wheel shaft, and this axle head is established stressing main and cooperated multiple tool shelf to change the power take-off shaft that uses; In the middle of the control gear when just changeing its forward the engaging tooth of engaging tooth and reducing gear mesh and drive its rotation, reverse engaging tooth and accelerating gear support the subsides skid because of arc plays face, the engaging tooth of reverse engaging tooth and accelerating gear meshes and drives its rotation when middle control gear reverses, and forward engaging tooth and reducing gear are supported the subsides skid because of arc plays face.

Now be described with reference to the accompanying drawings motor driving type high and low speed changing device of the present utility model and embodiment.

Fig. 1 is the three-dimensional exploded view of the utility model device.

Fig. 2 is that the assembling of the utility model device is cutd open and shown and application drawing.

Fig. 2 A is the another kind of running condition scheme drawing of the utility model device.

Fig. 3 is that the assembling of another embodiment of the utility model is cutd open and shown and application drawing.

Fig. 3 A is other running condition scheme drawing of another embodiment of the utility model.

At first, see also Fig. 1,2 and the explanation of Fig. 2 A shown in: the utility model mainly is by just establishing power supply in the main body 2, oppositely cut the motor M of control, by shaft end gear M1 transmission one variable gear 3, in driving, the steamboat 31 of variable gear 3 controls gear 4 again, middle control gear respectively is provided with a free-wheel clutch up and down, in prominent respectively the prolonging of control gear 4 both ends of the surface become forward arc to rise and reverse arc plays the pair of

meshing tooth

41 and 42 that respectively constitutes a free-wheel clutch, prolong into reverse arc and work the pair of meshing tooth 61 that constitutes a free-wheel clutch and reducing gear 6 end faces of coaxial 5 location are prominent, another accelerating gear 7 end faces are then prominent to be prolonged and becomes forward that arc works the pair of meshing tooth 71 that constitutes another free-wheel clutch, the top deceleration is compeled by spring S respectively in the axle two ends, accelerating

gear

6 and 7 is near mutually by middle control gear 4, and contact engagement with 41 and 71 respectively with 42 with engaging tooth 61, advance to drive with reducing gear 6 or accelerating gear 7 and be with a gear wheel shaft 8 to rotate, this axle head is established power take-off shaft 81 outputting powers of stressing main 2; When power take-off shaft 81 socket brush dish A use, promptly must control motor M just changes, relative middle control gear 4 is Cheng Zhengzhuan also, therefore make forward engaging tooth 61 engagements of engaging tooth 41 and reducing gear 6, and then drive reducing gear 6 runnings (7 of its simultaneously reverse engaging tooth 42 and accelerating gears because of arc rise face support to paste form skid), power take-off shaft 81 just drives brush dish A rotation with low speed and thoroughly scrubs (detailed as shown in Figure 2); In addition when power take-off shaft 81 socket flannelette dish B, then to control motor M counter-rotating, control gear 4 counter-rotatings in making relatively, so that reverse engaging tooth 42 meshes with the engaging tooth 71 of accelerating gear 7, and drive accelerating gear 7 runnings (forward engaging tooth 41 just forms skid because of arc plays face to pasting with reducing gear 6 simultaneously), power take-off shaft 81 promptly produces at a high speed and drives flannelette dish B, is convenient to the cured bright enforcement (shown in Fig. 2 A) of beating.

Further please cooperate and consult shown in Fig. 3 and Fig. 3 A, the another kind of embodiment of the utility model keeps original basic drive mechanism, but the same side at power take-off shaft 81, add an end face and be equipped with the movable massaging disc 9 of a plurality of projections 91, and power take-off shaft 81 is equiped with the rolling wheel massaging seat C that ball rolls, it is mainly by engaging tooth 71 engagements of motor M counter-rotating control engaging tooth 42 with accelerating gear 7, this accelerating gear 7 is about to power and conducts to the massaging disc 9 affixed with camshaft 92, revolve getting rid of property by eccentric wheel 921 and form the high speed vibration effect, the point-like massage (as shown in Figure 3) of very high frequency can be provided; Control gear 4 and reducing gear 6 engagements in the control when motor M is just changeing, power moves move (know clearly as Fig. 3 A and show) to rolling wheel massaging seat C thereby produce the low-tach nip drum of rubbing to make reducing gear 6 outputs rotate slowly.

In sum, the utility model is only by cutting control power supply positive and negative direction, makes that two free-wheel clutchs are definite respectively, the transmission quietly of weighing, and promptly provides to use widely that high and low speed changes effect, thereby improved the application of motor transmission instrument significantly.

Claims

1, a kind of motor driving type height, the low speed converting means, it is characterized in that just establishing power supply in the main body, oppositely cut the motor of control, its shaft end gear is engaged in a variable gear, the steamboat of variable gear is engaged in and controls gear in one, middle control gear respectively is provided with a free-wheel clutch up and down, in prominent respectively the prolonging of control gear both ends of the surface become forward arc to rise and reverse arc plays the pair of meshing tooth that respectively constitutes a free-wheel clutch, prolong into reverse arc and work the pair of meshing tooth that constitutes a free-wheel clutch and the reducing gear end face of coaxial positioning is prominent, another accelerating gear end face is then prominent to prolong forward that arc works the pair of meshing tooth that constitutes another free-wheel clutch, the axle two ends are respectively equipped with compels the top deceleration, the spring of accelerating gear, reducing gear or accelerating gear are engaged in a gear wheel shaft, and this axle head is established stressing main and cooperated multiple tool shelf to change the power take-off shaft that uses; In the middle of the control gear when just changeing its forward the engaging tooth of engaging tooth and reducing gear mesh and drive its rotation, reverse engaging tooth and accelerating gear support the subsides skid because of arc plays face, the engaging tooth of reverse engaging tooth and accelerating gear meshes and drives its rotation when middle control gear reverses, and forward engaging tooth and reducing gear are supported the subsides skid because of arc plays face.

2, motor driving type high and low speed changing device as claimed in claim 1; It is characterized in that the same side at power take-off shaft, add an end face and be equipped with the movable massage dish of a plurality of projections, the driving that itself and accelerating gear mesh and be subjected to, and power take-off shaft is equiped with the rolling wheel massaging seat that ball rolls, the driving that itself and reducing gear mesh and be subjected to.