CN212775431U - Gear box and multifunctional food processor - Google Patents

Abstract

The utility model discloses a gear box and multi-functional cooking machine. A gearbox, comprising: the inner gear is arranged on the shell; the output shaft can drive the swing arm to rotate around the output shaft; the second working shaft is rotatably connected with the rotating arm and can revolve around the output shaft on the rotating arm; the planet wheel is arranged on the second working shaft and meshed with the internal gear, and the planet wheel can guide the second working shaft to rotate on the spiral arm. Has the advantages that: the rotating arm can enable the second working shaft to revolve around the output shaft, and the planet wheel and the internal gear can enable the second working shaft to rotate on the rotating arm, so that the second working shaft can realize a stirring function; one end of the output shaft is linked with the second working shaft through the bevel gear set, and the other end of the output shaft is linked with the second working shaft through the internal gear, the spiral arm and the planet wheel, so that the gear box can be compact in structure and can realize different output functions. The utility model relates to a gear drive.

Description

Gear box and multifunctional food processor

Technical Field

The utility model relates to a gear drive mechanism, in particular to gear box and multi-functional cooking machine.

Background

Food processors typically employ a single motor as a power unit. And multi-functional cooking machine needs drive different operating mechanism through the gear box to make single power unit can drive different operating mechanism.

Among the prior art, the gear box usually needs to increase the output moment of torsion of cooking machine through reduction gears, and multi-functional cooking machine's gear box need realize power input, speed reduction and power take off, and technical defect lies in: the structure of gear box is complicated, and the arrangement mode of gear need occupy great space usually, is unfavorable for realizing the miniaturization and the operation convenience of gear box and multi-functional cooking machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a compact structure's gear box and multi-functional cooking machine.

The technical scheme adopted for solving the technical problems is as follows:

a gearbox, comprising:

a housing;

the output shaft is rotationally connected with the shell;

the first working shaft is rotatably connected with the shell, and an included angle is formed between the first working shaft and the output shaft;

the bevel gear set is arranged between the output shaft and the first working shaft, and the output shaft can drive the first working shaft to rotate through the bevel gear set;

the inner gear is arranged on the shell;

the output shaft can drive the swing arm to rotate around the output shaft;

the second working shaft is rotatably connected with the rotating arm and can revolve around the output shaft on the rotating arm;

the planet wheel is arranged on the second working shaft and meshed with the internal gear, and the planet wheel can guide the second working shaft to rotate on the spiral arm.

The gearbox at least has the following beneficial effects:

the first working shaft and the output shaft form an included angle, so that the first working shaft can output torque in a direction different from that of the output shaft, and the first working shaft is favorable for adapting to practical application requirements; the rotating arm can enable the second working shaft to revolve around the output shaft, and the planet wheel and the internal gear can enable the second working shaft to rotate on the rotating arm, so that the second working shaft can realize a stirring function; one end of the output shaft is linked with the second working shaft through the bevel gear set, and the other end of the output shaft is linked with the second working shaft through the internal gear, the spiral arm and the planet wheel, so that the gear box can be compact in structure and can realize different output functions.

The utility model discloses an among the possible embodiment, the gear box still includes input shaft and speed reduction wheelset, and the input shaft can drive the output shaft through speed reduction wheelset, and speed reduction wheelset makes the drive ratio between output shaft and the input shaft be less than 1. The speed reduction wheel set can increase the torque of the output shaft.

The utility model discloses an in a possible embodiment, the gear box still includes drive unit, band pulley and belt, band pulley and input shaft fixed connection, and drive unit can rotate through belt drive band pulley and input shaft. The drive unit, belt and belt wheel can provide power for the input shaft to drive the gear box to move.

The utility model discloses an among the possible embodiment, be equipped with first inserts, a plurality of first depressed parts and a plurality of second depressed part on the band pulley, first inserts are inlayed at the center of band pulley, and the band pulley is through first inserts and input shaft cooperation, is equipped with a plurality of first depressed parts on the terminal surface of band pulley and is equipped with a plurality of second depressed parts on another terminal surface of band pulley, and first depressed part and second depressed part are circumference interval arrangement on the band pulley. The first insert is embedded in the center of the belt wheel, so that the bearing capacity of the center of the belt wheel can be enhanced, and the reliability of the belt wheel is enhanced; the first and second recesses are circumferentially spaced on the pulley, which reduces the weight of the pulley, saves material, and reduces manufacturing costs.

The utility model discloses an among a possible implementation, the reduction wheelset still includes drive gear, is equipped with second inserts, a plurality of third depressed parts and a plurality of fourth depressed part on the drive gear, and the center at drive gear is inlayed to the second inserts, and drive gear passes through second inserts and output shaft cooperation, is equipped with a plurality of third depressed parts on a terminal surface of drive gear and is equipped with a plurality of fourth depressed parts on another terminal surface of drive gear, and third depressed part and fourth depressed part circumference interval arrangement are on drive gear. The second insert is embedded in the center of the transmission gear, so that the bearing capacity of the transmission gear can be enhanced, and the reliability of the transmission gear can be enhanced; the third depressed part and the fourth depressed part are arranged on the transmission gear at intervals in the circumferential direction, so that the weight of the transmission gear can be reduced, the material can be saved, and the manufacturing cost can be reduced.

The utility model discloses an among the possible embodiment, the gear box still includes the end cover, and the end cover covers the one end of output shaft, and the end cover can rotate along with the output shaft, and the second working shaft runs through the end cover and stretches out beyond the end cover, and the spiral arm is established in the end cover. The spiral arm is arranged in the end cover, and the end cover can prevent foreign matters from being accidentally rolled into the spiral arm and the output shaft, so that the reliability of the gear box is improved.

In a possible embodiment of the invention, the end cover covers the inner gear and the planet wheel. The meshing motion between planet wheel and the internal gear can be gone on under the protection of end cover, can prevent that the foreign matter from entering into between planet wheel and the internal gear, is favorable to improving the reliability of internal gear.

A multifunctional food processor comprises a gear box.

The utility model discloses an among the possible embodiment, multi-functional cooking machine still includes the stirring head, and the stirring head is connected with second working shaft, is equipped with stirring ring, first stirring arm, second stirring arm and third stirring arm on the stirring head, and the one end of first stirring arm, the one end of second stirring arm and the one end of third stirring arm intersect in the stirring ring, and the other end of first stirring arm intersects with the stirring ring, and the other end of second stirring arm intersects with the stirring ring, and the other end and the stirring ring of third stirring arm intersect. The stirring ring, the first stirring arm, the second stirring arm and the third stirring arm can realize the function of kneading dough.

The utility model discloses an among the possible embodiment, first stirring arm and the coaxial arrangement of second working shaft, second stirring arm and first stirring arm are each other to become the contained angle, and third stirring arm and first stirring arm are each other to become the contained angle. The arrangement mode of the first stirring arm, the second stirring arm and the third stirring arm can improve dough kneading efficiency.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a multifunctional food processor according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an arrangement of the planetary gear and the internal gear according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a reduction gear set according to an embodiment of the present invention;

fig. 4 is a sectional structure view of the multifunctional food processor according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a pulley according to an embodiment of the present invention;

fig. 6 is a schematic view of the cross section a-a of fig. 5 according to an embodiment of the present invention;

fig. 7 is a perspective structural view of the belt wheel according to the embodiment of the present invention;

fig. 8 is a schematic structural view of a transmission gear according to an embodiment of the present invention;

fig. 9 is a schematic view of a section B-B of fig. 8 according to an embodiment of the present invention;

fig. 10 is a perspective view of a transmission gear according to an embodiment of the present invention;

reference numerals:

the device comprises a housing 1, an output shaft 2, a first working shaft 3, a bevel gear set 4, an internal gear 5, a spiral arm 6, a planet gear 7, a second working shaft 8, an input shaft 9, a reduction gear set 10, a driving unit 11, a belt 12, a belt wheel 13, a stirring head 14, a stirring ring 15, a first stirring arm 16, a second stirring arm 17, a third stirring arm 18, a first insert 19, a first concave part 20, a second concave part 21, a transmission gear 22, a second insert 23, a third concave part 24 and a fourth concave part 25.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 10, a gearbox includes:

a housing 1;

the output shaft 2 is rotationally connected with the shell 1;

the first working shaft 3 is rotatably connected with the shell 1, and the first working shaft 3 and the output shaft 2 form an included angle;

the bevel gear set 4 is arranged between the output shaft 2 and the first working shaft 3, and the output shaft 2 can drive the first working shaft 3 to rotate through the bevel gear set 4;

the internal gear 5, the internal gear 5 is set up on outer cover 1;

the output shaft 2 can drive the swing arm 6 to rotate around the output shaft 2;

the second working shaft 8, the second working shaft 8 is connected with the radial arm 6 rotatably, the second working shaft 8 can revolve round the output shaft 2 on the radial arm 6;

the planet wheel 7, the planet wheel 7 is established on second working shaft 8, and planet wheel 7 meshes with internal gear 5, and planet wheel 7 can guide second working shaft 8 to spin on spiral arm 6.

The gearbox at least has the following beneficial effects:

the first working shaft 3 and the output shaft 2 form an included angle, so that the first working shaft 3 can output torque in a direction different from that of the output shaft 2, and the first working shaft 3 can adapt to practical application requirements; the rotary arm 6 can enable the second working shaft 8 to revolve around the output shaft 2, and the planet wheel 7 and the internal gear 5 can enable the second working shaft 8 to rotate on the rotary arm 6, so that the second working shaft 8 can realize a stirring function; one end of the output shaft 2 is linked with the second working shaft 8 through the bevel gear set 4, and the other end of the output shaft 2 is linked with the second working shaft 8 through the internal gear 5, the spiral arm 6 and the planet wheel 7, so that the gear box can be compact in structure and can realize different output functions.

With respect to the housing 1, the housing 1 can enclose the individual gears. The housing 1 can provide a mounting basis for the output shaft 2, the first working shaft 3, the bevel gear set 4, the internal gear 5, the swing arm 6 and the second working shaft 8.

As for the output shaft 2, the output shaft 2 penetrates the housing 1. One end of the output shaft 2 is linked with the first working shaft 3 through a bevel gear set 4, and the other end of the output shaft 2 is linked with the second working shaft 8 through a swing arm 6, a planet wheel 7 and an internal gear 5.

Regarding the first working shaft 3, the first working shaft 3 can rotate and can drive the meat mincing mechanism to realize the meat mincing function. The meat mincing mechanism can be selected from, but is not limited to, meat mincing knives of the prior art.

With respect to the bevel gear set 4, the bevel gear set 4 includes two bevel gears that mesh with each other. The included angle between the first working shaft 3 and the output shaft 2 is 90 degrees.

As for the internal gear 5, the internal gear 5 is provided on the housing 1. The inner gear 5 is integral with the outer casing 1, which contributes to further simplifying the overall construction of the gearbox.

With respect to the radial arm 6, one end of the radial arm 6 is connected to the output shaft 2 through a key structure, which enables the radial arm 6 to move in synchronization with the output shaft 2. The other end of the spiral arm 6 is provided with a through hole, and the second working shaft 8 penetrates through the through hole and can rotate in the through hole.

As for the second working shaft 8, the second working shaft 8 can be rotated on the radial arm 6. When the output shaft 2 is driven by the power unit to rotate, the output shaft 2 can drive the rotating arm 6 to rotate around the output shaft 2, so that the second working shaft 8 is driven to revolve around the output shaft 2, and the planet wheel 7 is driven to revolve around the output shaft 2. When the planet wheel 7 revolves around the output shaft 2, the planet wheel 7 can rotate under the action of the inner gear 5 because the inner gear 5 is meshed with the planet wheel 7, so that the planet wheel 7 can drive the second working shaft 8 to rotate on the rotating arm 6. The second working shaft 8 can rotate while revolving around the output shaft 2, thereby realizing a stirring function.

As for the planetary gear 7, the planetary gear 7 is fixedly connected to one end of the second working shaft 8 by a screw, and the screw fastens the planetary gear 7 to one end of the second working shaft 8.

In a possible embodiment, the gearbox further comprises an input shaft 9 and a reduction gear set 10, the input shaft 9 can drive the output shaft 2 through the reduction gear set 10, and the reduction gear set 10 enables the transmission ratio between the output shaft 2 and the input shaft 9 to be less than 1. The reduction gear set 10 can increase the torque of the output shaft 2.

As for the reduction gear set 10, the reduction gear set 10 is provided inside the housing 1. The reduction gear unit 10 includes a plurality of duplicate gears, and each of the duplicate gears is engaged in a stepwise manner, thereby reducing the rotation speed and increasing the torque.

As for the input shaft 9, the input shaft 9 is provided on the housing 1. One end of the input shaft 9 protrudes out of the housing 1, facilitating the drive of the input shaft 9 by the power unit.

In a possible embodiment, the gearbox further comprises a drive unit 11, a pulley 13 and a belt 12, the pulley 13 being fixedly connected to the input shaft 9, the drive unit 11 being capable of driving the pulley 13 and the input shaft 9 in rotation via the belt 12. The drive unit 11, belt 12 and pulley 13 can power the input shaft 9 to move the gearbox.

As for the driving unit 11, the driving unit 11 may be selected from, but not limited to, a motor.

With respect to the belt 12, the belt 12 may be selected from, but is not limited to, a timing belt. The belt 12 enables a transmission ratio between the input shaft 9 and the motor of less than 1.

With respect to the pulley 13, the input shaft 9 is arranged coaxially with the pulley 13. A pulley 13 is fixed to one end of the input shaft 9 by a screw.

In a possible embodiment, a first insert 19, a plurality of first recesses 20 and a plurality of second recesses 21 are provided on the pulley 13, the first insert 19 is embedded in the center of the pulley 13, the pulley 13 is engaged with the input shaft through the first insert 19, the plurality of first recesses 20 are provided on one end surface of the pulley 13 and the plurality of second recesses 21 are provided on the other end surface of the pulley 13, and the first recesses 20 and the second recesses 21 are circumferentially spaced on the pulley 13. The first insert 19 is embedded in the center of the belt wheel 13, so that the bearing capacity of the center of the belt wheel 13 can be enhanced, and the reliability of the belt wheel 13 is enhanced; the first and second recesses 20, 21 are circumferentially spaced on the pulley 13, which reduces the weight of the pulley 13, saves material, and reduces manufacturing costs.

The pulley 13 is made of plastic, and the pulley 13 is made of plastic.

The first insert 19 is made of metal, and the material of the first insert 19 is metal. The first insert 19 is embedded in the centre of the pulley 13 and enhances the overall load-bearing capacity of the pulley 13. The first insert 19 is sleeve-shaped, and the input shaft can pass through the first insert 19 and transmit power to the pulley 13 via the first insert 19.

Regarding the first recess portion 20, the cross-sectional shape of the first recess portion 20 is a fan shape. The number of the first recesses 20 is six.

Regarding the second recessed portion 21, the cross-sectional shape of the second recessed portion 21 is a sector. The number of the second recesses 21 is six. The first and second recesses 20, 21 are arranged in a circumferential array around the center of the pulley 13 and are spaced apart from each other, which can reduce the weight of the pulley 13 to a greater extent, save material and reduce manufacturing costs.

In a possible implementation manner, the reduction gear set further includes a transmission gear 22, a second insert 23, a plurality of third recesses 24 and a plurality of fourth recesses 25 are provided on the transmission gear 22, the second insert 23 is inserted into the center of the transmission gear 22, the transmission gear 22 is matched with the output shaft through the second insert 23, the plurality of third recesses 24 are provided on one end surface of the transmission gear 22, the plurality of fourth recesses 25 are provided on the other end surface of the transmission gear 22, and the third recesses 24 and the fourth recesses 25 are circumferentially arranged on the transmission gear 22 at intervals. The second insert 23 is embedded in the center of the transmission gear 22, so that the bearing capacity of the transmission gear 22 can be enhanced, and the reliability of the transmission gear 22 can be enhanced; the third and fourth recesses 24 and 25 are circumferentially spaced on the transmission gear 22, which reduces the weight of the transmission gear 22, saves material, and reduces manufacturing costs.

The transmission gear 22 is made of plastic material.

The second insert 23 is made of metal. The second insert 23 is embedded in the center of the transmission gear 22, so that the overall bearing capacity of the transmission gear 22 can be enhanced. The second insert 23 is sleeve-shaped, and the output shaft can pass through the second insert 23 and transmit the power to the transmission gear 22 through the second insert 23.

Regarding the third recessed portion 24, the cross-sectional shape of the third recessed portion 24 is a fan shape. The number of the third recesses 24 is six.

Regarding the fourth recessed portion 25, the cross-sectional shape of the fourth recessed portion 25 is a sector. The number of the fourth recesses 25 is six. The third and fourth recesses 24 and 25 are arranged in a circumferential array around the center of the transmission gear 22 and spaced from each other, enabling a greater reduction in the weight of the transmission gear 22, material savings, and manufacturing costs.

In a possible embodiment, the gearbox further comprises an end cover covering one end of the output shaft 2, the end cover being rotatable with the output shaft 2, the second working shaft 8 extending through the end cover and out of the end cover, and the radial arm 6 being provided in the end cover. The swing arm 6 is arranged in the end cover, and the end cover can prevent foreign matters from being accidentally rolled into the swing arm 6 and the output shaft 2, so that the reliability of the gear box is improved.

Regarding the end cover, the end cover is fixed at one end of the output shaft 2, and the end cover can rotate synchronously with the output shaft 2. The spiral arm 6 is fixedly arranged in the end cover, and the spiral arm 6 can synchronously rotate with the output shaft 2 and the end cover.

In one possible embodiment, the end caps cover the inner gear 5 and the planet wheels 7. The meshing motion between the planet wheel 7 and the inner gear 5 can be carried out under the protection of the end cover, foreign matters can be prevented from entering between the planet wheel 7 and the inner gear 5, and the improvement of the reliability of the inner gear 5 is facilitated.

With regard to the end caps, a movement gap is provided between the edge of the end caps and the inner gear 5. The play enables the end cap to rotate relative to the inner gear wheel 5.

A multifunctional food processor comprises a gear box.

In a possible implementation manner, the multifunctional food processor further includes a stirring head 14, the stirring head 14 is connected to the second working shaft 8, a stirring ring 15, a first stirring arm 16, a second stirring arm 17 and a third stirring arm 18 are disposed on the stirring head 14, one end of the first stirring arm 16, one end of the second stirring arm 17 and one end of the third stirring arm 18 intersect in the stirring ring 15, the other end of the first stirring arm 16 intersects with the stirring ring 15, the other end of the second stirring arm 17 intersects with the stirring ring 15, and the other end of the third stirring arm 18 intersects with the stirring ring 15. The stirring ring 15, the first stirring arm 16, the second stirring arm 17 and the third stirring arm 18 can realize dough kneading function.

In the mixer head 14, the mixing ring 15 is annular, and the first mixing arm 16, the second mixing arm 17, and the third mixing arm 18 are rod-like, which is advantageous for achieving the kneading function.

In a possible embodiment, the first stirring arm 16 is arranged coaxially to the second working shaft 8, the second stirring arm 17 is angled with respect to the first stirring arm 16, and the third stirring arm 18 is angled with respect to the first stirring arm 16. The arrangement of the first stirring arm 16, the second stirring arm 17 and the third stirring arm 18 can improve the dough kneading efficiency.

With respect to the stirring head 14, the first stirring arm 16, the second stirring arm 17 and the third stirring arm 18 are arranged in a Y-shape within the stirring ring 15.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A gearbox, comprising:

a housing;

an output shaft rotationally coupled to the housing;

the first working shaft is rotatably connected with the shell, and an included angle is formed between the first working shaft and the output shaft;

the bevel gear set is arranged between the output shaft and the first working shaft, and the output shaft can drive the first working shaft to rotate through the bevel gear set;

an inner gear provided on the housing;

the output shaft can drive the swing arm to rotate around the output shaft;

the second working shaft is rotatably connected with the rotating arm and can revolve around the output shaft on the rotating arm;

the planet gear is arranged on the second working shaft and meshed with the inner gear, and the planet gear can guide the second working shaft to rotate on the spiral arm.

2. The gearbox of claim 1, wherein: the gearbox also comprises an input shaft and a speed reduction wheel set, the input shaft can drive the output shaft through the speed reduction wheel set, and the speed reduction wheel set enables the transmission ratio between the output shaft and the input shaft to be smaller than 1.

3. A gearbox according to claim 2, in which: the gear box further comprises a driving unit, a belt wheel and a belt, the belt wheel is fixedly connected with the input shaft, and the driving unit can drive the belt wheel and the input shaft to rotate through the belt.

4. A gearbox according to claim 3, in which: be equipped with first inserts, a plurality of first depressed part and a plurality of second depressed part on the band pulley, first inserts is inlayed the center of band pulley, the band pulley passes through first inserts with the input shaft cooperation, be equipped with a plurality of on the terminal surface of band pulley first depressed part just be equipped with a plurality of on another terminal surface of band pulley the second depressed part, first depressed part with the second depressed part is in circumference interval arrangement on the band pulley.

5. A gearbox according to claim 2, in which: the speed reduction wheelset still includes drive gear, be equipped with second inserts, a plurality of third depressed part and a plurality of fourth depressed part on the drive gear, the second inserts is inlayed drive gear's center, drive gear passes through the second inserts with the output shaft cooperation, be equipped with a plurality ofly on drive gear's the terminal surface the third depressed part just be equipped with a plurality ofly on another terminal surface of drive gear the fourth depressed part, the third depressed part with the fourth depressed part is in circumference interval arrangement on the drive gear.

6. The gearbox of claim 1, wherein: the gearbox further comprises an end cover, the end cover covers one end of the output shaft, the end cover can rotate along with the output shaft, the second working shaft penetrates through the end cover and extends out of the end cover, and the spiral arm is arranged in the end cover.

7. The gearbox of claim 6, wherein: the end cover covers the inner gear and the planet gears.

8. Multi-functional cooking machine, its characterized in that: comprising a gearbox according to any of the claims 1 to 5.

9. The multifunctional food processor of claim 8, wherein: multi-functional cooking machine still includes the stirring head, the stirring head with the second working shaft is connected, be equipped with stirring ring, first stirring arm, second stirring arm and third stirring arm on the stirring head, the one end of first stirring arm the one end of second stirring arm with the one end of third stirring arm is in intersect in the stirring ring, the other end of first stirring arm with the stirring ring is crossing, the other end of second stirring arm with the stirring ring is crossing, the other end of third stirring arm with the stirring ring is crossing.

10. The multifunctional food processor of claim 9, wherein: the first stirring arm and the second working shaft are coaxially arranged, the second stirring arm and the first stirring arm form an included angle, and the third stirring arm and the first stirring arm form an included angle.

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