CN208281471U - A kind of cooking machine gear-box - Google Patents

Abstract

The utility model discloses a kind of cooking machine gear-boxes, including power device, transmission device and flabellum, power device includes motor, the shaft power connection transmission device of motor, transmission device is fixedly connected with inducer, transmission device includes the first driving wheel, first driven wheel, first internal gear, second driving wheel, second driven wheel, secondary annulus and output shaft, motor drives the first driving wheel and cutting blade operating, by said gear engaged transmission, inducer also rotates with it and aspirates extraneous cold air to cool down to motor, the power of output shaft output is the effect of the first driven wheel and secondary annulus superposition, pass through power dividing, reduce the transmitting load of gear, it is compact-sized, gear range is between 1-40, reduce the torque that motor passes over, improve the revolving speed of inducer, from And increase air quantity and also increase heat dissipation capacity, improving radiating effect extends the service life of motor.

Description

A kind of cooking machine gear-box

Technical field

The utility model relates to the cooking machine of household kitchen electric appliance, in particular to a kind of gear-box of cooking machine.

Background technique

It is known that cooking machine generally uses heavy-duty motor, the shaft of motor directly drives blade rotation to carry out cutting and grinding Food, revolving speed is high and torque is small, and in motor operating, calorific value is also larger, but does not consider that the heat dissipation of motor is asked in the prior art Topic, so failure increases motor after prolonged use, aging is serious.

Summary of the invention

For overcome the deficiencies in the prior art, the utility model provides a kind of compact-sized, with certain heat sinking function Cooking machine gear-box.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of cooking machine gear-box, including power device, transmission device and inducer, the power device include motor, One end of the shaft of the motor is connected by power the transmission device, and the other end is connected with cutting blade, the transmission device with The inducer is fixedly connected, and the transmission device includes the first driving wheel, the first driven wheel, the first internal gear, the second active Wheel, the second driven wheel, secondary annulus and output shaft；First driving wheel is fixedly connected with the shaft of the motor, institute The first driving wheel is stated to engage with the first internal gear, first internal gear is engaged with the first driven wheel, first driven wheel with Output shaft engagement；First internal gear is further engaged with the second driving wheel, and second driving wheel is nibbled with the second driven wheel It closes, second driven wheel is engaged with secondary annulus, and the secondary annulus is fixedly connected with output shaft, the wind-guiding wheel case It connects and is fixed on the output shaft.

The inducer includes bottom plate and several guide vanes that the bottom plate front edge is arranged in, the axis of the bottom plate The heart is provided with bearing hole, and the bearing hole is equipped with bearing, the other end of the shaft of the motor pass through the bearing with it is described Cutting blade is fixedly connected, and the back side of the bottom plate is axially provided at least two opposite mounting posts, and the mounting post is axial It is provided with threaded hole, all the outer sheath of the mounting post is connected to mounting ring in succession, sets between the mounting ring and the bottom plate It is equipped with ventilation hole.

The bottom of the mounting post, which extends axially downward, is provided with positioning region, and the bottom of the positioning region extends radially inwardly It is provided with limit salient angle, two limit salient angles are mutually mirror settings.

There are four the mounting posts, and it is rectangular that the inside edge of four limit salient angles and positioning region is wired to one.

The guide vane is arc-shaped, and arranges in the shape of a spiral by circumferencial direction, the guide vane contour cloth from inside to outside It sets.

The transmission device further includes spring bearing and fixed frame, and the output shaft in the spring bearing by being socketed in On the fixed frame, the shaft of the motor is protruded into the fixed frame and is fixedly connected with the output shaft.

The beneficial effects of the utility model are: the utility model includes power device, transmission device and flabellum, power device Including motor, one end power connection transmission device of the shaft of motor, the other end is connected with cutting blade, transmission device and wind-guiding Wheel is fixedly connected, and transmission device includes the first driving wheel, the first driven wheel, the first internal gear, the second driving wheel, second driven Wheel, secondary annulus and output shaft, motor drive the first driving wheel and cutting blade operating, engage and pass by said gear Dynamic, inducer also rotates with it and aspirates extraneous cold air to cool down to motor, and the power of output shaft output is first Driven wheel and the effect of secondary annulus superposition reduce the transmitting load of gear by power dividing, compact-sized, transmission Than range between 1-40, the torque that motor passes over is reduced, the revolving speed of inducer is improved, to increase air quantity Also heat dissipation capacity is increased, improving radiating effect extends the service life of motor.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is the cross-sectional view of the utility model transmission device；

Fig. 2 is one of structural schematic diagram of inducer；

Fig. 3 is the second structural representation of inducer.

Specific embodiment

Referring to figs. 1 to Fig. 3, a kind of cooking machine gear-box, including power device, transmission device and inducer, the power Device includes motor, and one end of the shaft of the motor is connected by power the transmission device, and the other end is connected with cutting blade, institute It states transmission device to be fixedly connected with the inducer, the transmission device includes the first driving wheel 21, the first driven wheel 22, first Internal gear 23, the second driving wheel 24, the second driven wheel 25, secondary annulus 26 and output shaft 27；First driving wheel 21 It is fixedly connected with the shaft of the motor, the shaft of the motor is generally commonly used using in art technology with the first driving wheel 21 Shaft coupling be attached, can also directly coaxial rigid connection, first driving wheel 21 is engaged with the first internal gear 23, described First internal gear 23 is engaged with the first driven wheel 22, and first driven wheel 22 is engaged with output shaft 27；First internal gear 23 further engage with the second driving wheel 24, and second driving wheel 24 is engaged with the second driven wheel 25, second driven wheel 25 engage with secondary annulus 26, and the secondary annulus 26 is fixedly connected with output shaft 27, in the present embodiment, described second Internal gear 26 and output shaft 27 can also integrated setting, the inducer is sleeved and fixed on the output shaft 27, wherein described First driving wheel 21 receives the power passed over from motor and is driven by a motor the first driving wheel 21, power in actual operation It engages through first driving wheel 21 with the first internal gear 23, and is nibbled again by first internal gear 23 and the first driven wheel 22 After conjunction, it is divided into two-way, first driven wheel 22 of routing passes to output shaft 27, directly exports, another way is by the first driven wheel 22 Pass to the second driving wheel 24, the second driving wheel 24 engaging by the second driven wheel 25 and secondary annulus 26 again, by power Pass to output shaft 27, the inducer being fixedly connected with output shaft also rotate with it and aspirate extraneous cold air come to motor into Row cooling, the power of output shaft output are that the effect that the first driven wheel and secondary annulus are superimposed is reduced by power dividing The transmitting load of gear, compact-sized, gear range reduces the torque that motor passes between 1-40, improves The revolving speed of inducer, so that increasing air quantity also increases heat dissipation capacity, improving radiating effect extends the service life of motor.

The inducer includes bottom plate 1 and several guide vanes 2 that 1 front edge of bottom plate is arranged in, the bottom plate 1 Axle center be provided with bearing hole 3, the bearing hole 3 is equipped with bearing, and the other end of the shaft of the motor passes through the bearing It is fixedly connected with the cutting blade, the back side of the bottom plate 1 is axially provided at least two opposite mounting posts 4, the peace Dress column 4 is axial to be provided with threaded hole 5, and all the outer sheath of the mounting post 4 is connected to mounting ring 8, the mounting ring 8 and institute in succession It states and is provided with ventilation hole 9 between bottom plate 1.

In the present embodiment, the shape of motor is typically provided with rectangular, and the bottom of the mounting post 4, which extends axially downward, to be set It is equipped with positioning region 6, the bottom of the positioning region 6, which extends radially inwardly, is provided with limit salient angle 7, and two limit salient angles 7 are mutually It is mirrored into setting, there are four the mounting posts 4, and the inside edge of four limit salient angles 7 and positioning region 6 is wired to a side Shape, such motor facilitate positioning during installation, and screw locking is directly used after having good positioning.

The guide vane 2 is arc-shaped, and arranges in the shape of a spiral by circumferencial direction, and the guide vane 2 is contour from inside to outside The centrifugal flow that the fan housing of arrangement, such guide vane and motor fits closely to guarantee that the rotation of movable vane wheel generates flows to as far as possible Guide vane guarantees motor operation efficiency.

The transmission device further includes spring bearing 28 and fixed frame 29, and the output shaft 27 passes through the spring bearing 28 In be socketed on the fixed frame 29, the shaft of the motor protrude into the fixed frame 29 and with the output shaft 27 is fixed connects It connects, the shaft of the motor 4 and output shaft 27 are generally carried out using shaft coupling common in art technology in the present embodiment Connection can also directly coaxial rigid connect, this is those skilled in the art's conventional means.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of cooking machine gear-box, including power device, transmission device and inducer, the power device include motor, institute The one end for stating the shaft of motor is connected by power the transmission device, and the other end is connected with cutting blade, the transmission device and institute It states inducer to be fixedly connected, it is characterised in that the transmission device includes the first driving wheel (21), the first driven wheel (22), first Internal gear (23), the second driving wheel (24), the second driven wheel (25), secondary annulus (26) and output shaft (27)；Described One driving wheel (21) is fixedly connected with the shaft of the motor, and first driving wheel (21) is engaged with the first internal gear (23), First internal gear (23) is engaged with the first driven wheel (22), and first driven wheel (22) is engaged with output shaft (27)；Institute It states the first internal gear (23) further to engage with the second driving wheel (24), second driving wheel (24) and the second driven wheel (25) Engagement, second driven wheel (25) are engaged with secondary annulus (26), and the secondary annulus (26) and output shaft (27) are solid Fixed connection, the inducer are sleeved and fixed on the output shaft (27).

2. cooking machine gear-box according to claim 1, it is characterised in that the inducer includes that bottom plate (1) and setting exist Several guide vanes (2) of bottom plate (1) front edge, the axle center of the bottom plate (1) are provided with bearing hole (3), the axis Bearing bore (3) is equipped with bearing, and the other end of the shaft of the motor passes through the bearing and is fixedly connected with the cutting blade, institute The back side for stating bottom plate (1) is axially provided at least two opposite mounting posts (4), and the mounting post (4) is axially provided with screw thread Hole (5), all the outer sheath of the mounting posts (4) is connected to mounting ring (8) in succession, the mounting ring (8) and the bottom plate (1) it Between be provided with ventilation hole (9).

3. cooking machine gear-box according to claim 2, it is characterised in that axially downwardly prolong the bottom of the mounting post (4) It stretches and is provided with positioning region (6), the bottom of the positioning region (6), which extends radially inwardly, is provided with limit salient angle (7), two limits Position salient angle (7) is mutually mirror settings.

4. cooking machine gear-box according to claim 3, it is characterised in that there are four the mounting posts (4), described in four It is rectangular that the inside edge of limit salient angle (7) and positioning region (6) is wired to one.

5. according to cooking machine gear-box described in claim 2-4 any claim, it is characterised in that the guide vane (2) is in Arc, and arranged in the shape of a spiral by circumferencial direction, the guide vane (2) is arranged at an equal altitude from inside to outside.

6. cooking machine gear-box according to claim 1 or 2, it is characterised in that the transmission device further includes spring bearing (28) and fixed frame (29), the output shaft (27) is in the spring bearing (28) by being socketed on the fixed frame (29), The shaft of the motor is protruded into the fixed frame (29) and is fixedly connected with the output shaft (27).