CN219062373U - Transmission mechanism of chef machine - Google Patents
Transmission mechanism of chef machine Download PDFInfo
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- CN219062373U CN219062373U CN202221298098.XU CN202221298098U CN219062373U CN 219062373 U CN219062373 U CN 219062373U CN 202221298098 U CN202221298098 U CN 202221298098U CN 219062373 U CN219062373 U CN 219062373U
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- worm gear
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Abstract
The utility model discloses a transmission mechanism of a chef machine, which comprises a motor, a worm gear box assembly and a planetary gear box assembly; the worm gear box assembly comprises a worm gear box shell, a worm wheel and a main transmission shaft, wherein the main transmission shaft is connected to the worm gear box shell and penetrates out of the worm gear box shell, worm teeth are arranged on the end face of the worm wheel, and the worm wheel is accommodated in the worm gear box shell and sleeved on the main transmission shaft; the motor drives a worm to rotate, and the worm penetrates into the worm gear case shell and is meshed with worm teeth on the worm gear. The utility model mainly solves the problem that the reduction gearbox of the chef machine is difficult to obtain a larger reduction ratio and keep a smaller volume; the transmission mechanism of the chef machine has the advantages that a large reduction ratio is arranged between the worm and the worm wheel, worm teeth are arranged on the end face of the worm wheel, the worm wheel can be made into a flat shape, the reduction ratio is further improved while the volume is reduced, the output torque of the main transmission shaft is improved, the volume and the weight of the reduction gearbox are effectively reduced, and the transmission mechanism is suitable for the chef machine.
Description
Technical Field
The utility model relates to the technical field of kitchen appliances, in particular to a transmission mechanism of a chef machine.
Background
Chefs can perform dough mixing, egg beating and other actions, and at present, chefs have been widely used in domestic kitchens and commercial kitchens; the chef machine in the prior art comprises a motor, a reduction gearbox and a stirring shaft, wherein the motor is connected with the stirring shaft through the reduction gearbox to rotate so as to finish actions such as dough mixing and egg stirring.
The viscous fluid is stirred in the actions of dough kneading, egg breaking and the like, so that the requirement on the rotation speed of the stirring shaft is not high, but the requirement on the output torque of the stirring shaft is high, and the reduction gearbox is required to have a large reduction ratio under the condition that the rated torque of the motor is not increased; therefore, chefs in the prior art typically use one or more planetary reduction boxes, or reduction boxes in which the drive wheels are engaged with the drive belt, to increase the output torque of the mixer shaft; however, both of the above-described reduction boxes have difficulty in achieving a large reduction ratio while maintaining a small volume, and thus it is difficult to achieve the light weight requirements of chefs' machines.
Disclosure of Invention
The utility model aims to provide a transmission mechanism of a chef machine, which can obtain a large reduction ratio and keep a small volume.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a transmission mechanism of a chef machine comprises a motor, a worm gear box assembly and a planetary gear box assembly; the worm gear box assembly comprises a worm gear box shell, a worm wheel and a main transmission shaft, wherein the main transmission shaft is connected to the worm gear box shell and penetrates out of the worm gear box shell, worm teeth are arranged on the end face of the worm wheel, and the worm wheel is accommodated in the worm gear box shell and sleeved on the main transmission shaft; the motor is connected with a worm to rotate, and the worm penetrates into the worm gear case shell and is meshed with worm teeth on the worm wheel; the main transmission shaft of the worm gear box assembly is used for driving the sun gear of the planetary gear box assembly to rotate.
In the technical scheme, the planetary gear box assembly comprises a gear box shell, a planetary gear ring, a planetary gear, a sun gear, a planet carrier and an output shaft; the gear box shell is connected with the main output end of the worm gear box shell of the worm gear box assembly, the planetary gear ring is accommodated and fixed in the gear box shell, the planetary gear ring, the planetary gears and the sun gear are meshed in a planetary gear set mode, and the main transmission shaft of the worm gear box assembly penetrates through the gear box shell and drives the sun gear to rotate; the central shaft of the planet carrier is coaxially connected with the main transmission shaft of the worm gear box assembly, and each planet wheel shaft of the planet carrier is coaxially connected with each planet gear; the output shaft is arranged on one of the planetary axles of the planetary carrier.
In the technical scheme, an input end is formed on the worm gear case shell of the worm gear case assembly, and the worm penetrates into the worm gear case shell from the input end and is meshed with worm teeth on the worm gear.
In the technical scheme, the main output end of the worm gear case shell of the worm gear case assembly is an opening arranged at the bottom of the worm gear case shell.
In the technical scheme, the worm gear box assembly further comprises a secondary transmission shaft and a transmission gear; the end face of the worm wheel is further provided with transmission teeth, the auxiliary transmission shaft penetrates into the worm gear case shell, the transmission gear is accommodated in the worm gear case shell and sleeved on the auxiliary transmission shaft, and the transmission gear is meshed with the transmission teeth on the worm wheel.
In the above technical scheme, a pair of output ends are formed on the worm gear case shell of the worm gear case assembly, and the pair of transmission shafts penetrate into the worm gear case shell from the pair of output ends.
In the technical scheme, the worm teeth are arranged on the periphery of the end face of the worm wheel, and the transmission teeth are arranged in the center of the end face of the worm wheel.
In the technical scheme, the front end of the rotating shaft of the motor is a worm, or the motor is linked with a worm to rotate through a coupler.
Compared with the prior art, the utility model has the beneficial effects that: the transmission mechanism of the chef machine uses the worm gear box assembly to transmit between the motor and the planetary gear box assembly, a large reduction ratio is arranged between the worm and the worm wheel, and worm teeth are arranged on the end face of the worm wheel, so that the worm wheel can be manufactured into a flat shape, the reduction ratio is further improved while the volume is reduced, the output torque of the main transmission shaft is improved, the volume and the weight of the reduction gear box are effectively reduced, and the transmission mechanism is suitable for the chef machine.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is an exploded view of the present utility model.
Fig. 3 is a cross-sectional view of the present utility model.
The reference numerals are: 1. a motor; 2. a worm; 3. a worm gear case assembly; 31. a worm gear case housing; 311. an input end; 312. a main output terminal; 313. an auxiliary output end; 32. a worm wheel; 321. worm gear; 322. a drive tooth; 33. a main drive shaft; 34. an auxiliary transmission shaft; 35. a transmission gear; 4. a planetary gearbox assembly; 41. a gearbox housing; 42. a planetary gear ring; 43. a planetary gear; 44. a sun gear; 45. a planet carrier; 451. a planetary wheel shaft; 46. an output shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a transmission mechanism of a chef machine is applied to the chef machine, and comprises a motor 1, a worm gear box assembly 3 and a planetary gear box assembly 4.
Wherein the motor 1 is an alternating current motor or a brushless direct current motor.
The worm gear case assembly 3 includes a worm gear case housing 31, a worm wheel 32, and a main drive shaft 33; the worm gear case housing 31 is a half-shell made of metal or plastic, and the bottom surface thereof is an opening; the worm wheel 32 is a disk-shaped workpiece made of metal; the main transmission shaft 33 is a cylindrical rotating shaft made of metal; the main transmission shaft 33 is connected to the worm gear case housing 31 and penetrates out of the worm gear case housing 31, specifically, one end of the main transmission shaft 33 is pivoted to the top of the worm gear case housing 31 through a shaft sleeve and penetrates out of an opening of the worm gear case housing 31 downward; thus, in the present embodiment, the main output end 312 of the worm housing 31 of the worm assembly 3 is an opening provided at the bottom of the worm housing 31; worm teeth 321 are arranged on the end face of the worm wheel 32, the worm wheel 32 is accommodated in the worm gear case shell 31 and sleeved on the main transmission shaft 33, and the worm wheel 32 is in key connection or interference fit with the main transmission shaft 33; the motor 1 is linked with a worm 2 to rotate, specifically, the front end of a rotating shaft of the motor 1 is the worm 2, or the rotating shaft of the motor 1 is connected with the worm 2 through a coupler, and the worm 2 penetrates into the worm gear case shell 31 and is meshed with worm teeth 321 on the worm wheel 32.
The main drive shaft 33 of the worm gear case assembly 3 is used to drive the sun gear 44 of the planetary gear case assembly 4 in rotation.
Specifically, the planetary gear box assembly 4 includes a gear box housing 41, a planetary gear ring 42, a planetary gear 43, a sun gear 44, a planet carrier 45, and an output shaft 46; wherein the gear case housing 41 is a half shell made of metal, and the bottom surface of the half shell is an opening; the planetary gear ring 42 is an inner gear ring made of metal or plastic; the planetary gear 43 and the sun gear 44 are both gears made of metal or plastic; the planet carrier 45 is a metal carrier body, the center of which is a central shaft, and the outer periphery of which is a planet wheel shaft 451; in this embodiment, the planetary gear box assembly 4 is provided with three planetary gears 43, and correspondingly, the outer periphery of the planet carrier 45 is provided with three planetary wheel shafts 451; in other embodiments, the planetary gears 43 may be provided in one, two or four or more, and accordingly, the outer circumference of the planet carrier 45 is provided with one, two or four or more planetary wheel shafts 451; the output shaft 46 is a cylindrical rotating shaft made of metal; the gear case housing 41 is connected to the main output end 312 of the worm case housing 31 of the worm case assembly 3, that is, the worm case housing 31 is fixed on the gear case housing 41, and the gear case housing 41 covers the opening of the bottom surface of the worm case housing 31; the planetary gear ring 42 is accommodated and fixed in the gear box shell 41, namely, the outer ring of the planetary gear ring 42 is fixed on the inner wall of the gear box shell 41, the planetary gear ring 42, the planetary gears 43 and the sun gears 44 are meshed in the form of planetary gear sets, the main transmission shaft 33 of the worm gear box assembly 3 penetrates the gear box shell 41 and is linked with the sun gears 44 to rotate, wherein a bearing is arranged between the main transmission shaft 33 and the gear box shell 41, and the sun gears 44 are connected with the main transmission shaft 33 in a key manner or in interference fit; after forming the planetary gear set in this way, the main drive shaft 33, the sun gear 44, the planet gears 43, the planet gear ring 42, and the gear case housing 41 are sequentially arranged from the inside to the outside in the radial direction of the planetary gear set; the central shaft of the planet carrier 45 is coaxially connected with the main transmission shaft 33 of the worm gear box assembly 3, each planet axle 451 of the planet carrier 45 is coaxially connected with each planet gear 43, specifically, each planet axle 451 of the planet carrier 45 is respectively in key connection or interference fit with each planet gear 43, the main transmission shaft 33 of the worm gear box assembly 3 penetrates into the center of the planet carrier 45, and a bearing is arranged between the main transmission shaft 33 and the planet carrier 45; the output shaft 46 is disposed on one of the planetary wheel shafts 451 of the planetary carrier 45, in this embodiment, the output shaft 46 is pivoted on the periphery of the planetary carrier 45 through a shaft sleeve, and the output shaft 46 penetrates into the corresponding planetary gear 43, so that the output shaft 46 also performs the function of the planetary wheel shaft 451.
Specifically, an input end 311 is formed on the worm housing 31 of the worm gear assembly 3, and in this embodiment, the input end 311 is a shaft hole, and the worm 2 penetrates into the worm housing 31 from the input end 311 and is engaged with the worm gear 321 on the worm wheel 32.
Further, the worm gear case assembly 3 further comprises a secondary transmission shaft 34 and a transmission gear 35, wherein the secondary transmission shaft 34 is a shaft body made of metal, and the transmission gear 35 is a bevel gear made of metal; the end face of the worm wheel 32 is also provided with a transmission tooth 322, and the transmission tooth 322 is a bevel tooth corresponding to the transmission gear 35; the auxiliary transmission shaft 34 penetrates into the worm gear case housing 31, the transmission gear 35 is accommodated in the worm gear case housing 31 and sleeved on the auxiliary transmission shaft 34, the transmission gear 35 is in key connection or interference fit with the auxiliary transmission shaft 34, and the transmission gear 35 is meshed with the transmission teeth 322 on the worm gear 32.
Specifically, a secondary output end 313, which is a shaft hole in this embodiment, is formed on the worm housing 31 of the worm gear case assembly 3, and the secondary drive shaft 34 penetrates into the worm housing 31 from the secondary output end 313.
Further, worm teeth 321 are arranged on the periphery of the end face of the worm wheel 32 to reduce the transmission ratio of the worm 2 to the worm wheel 32, increase the output torque of the worm wheel 32 to the main transmission shaft 33, and the worm 2 is meshed with the worm teeth 321 on the end face of the worm wheel 32, at this time, the worm 2 is positioned on the end face of the worm wheel 32, and the rotation axis of the worm 2 is perpendicular to the rotation axis of the worm wheel 32; the drive teeth 322 are arranged in the center of the end face of the worm wheel 32, so that the drive gear 35 with smaller size is conveniently arranged.
When the transmission mechanism of the chef machine is applied to the chef machine, the transmission mechanism of the chef machine is integrally arranged in the chef machine and is connected with a stirring hook for stirring food materials through an output shaft 46; when the motor 1 is operated, the worm 2 is driven to rotate through the rotating shaft, the worm wheel 32 is driven to rotate through the worm gear 321 by the rotating worm 2, the main transmission shaft 33 is driven to rotate by the rotating worm wheel 32, the planetary gear 43 is driven to revolve around the sun gear 44 through the sun gear 44 by the rotating main transmission shaft 33, at the moment, the planet carrier 45 also revolves around the sun gear 44, and the stirring hook is driven to rotate by the output shaft 46 arranged on the planet wheel axle 451 of the planet carrier 45 and revolves around the main transmission shaft 33, so that the food is stirred in a large range; in addition, the worm wheel 32 in rotation also drives the auxiliary transmission shaft 34 to rotate, and the auxiliary transmission shaft 34 can drive auxiliary output components such as a juicing component or a meat mincing component to operate.
The transmission mechanism of the chef machine uses the worm gear box assembly 3 to drive between the motor 1 and the planetary gear box assembly 4, a large reduction ratio is arranged between the worm 2 and the worm wheel 32, and worm teeth 321 are arranged on the end face of the worm wheel 32, so that the worm wheel 32 can be manufactured into a flat shape, the reduction ratio is further improved while the volume is reduced, the output torque of the main transmission shaft 33 is improved, the volume and the weight of the reduction gear box are effectively reduced, and the transmission mechanism is suitable for the chef machine.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The transmission mechanism of the chef machine is characterized by comprising a motor, a worm gear box assembly and a planetary gear box assembly;
the worm gear box assembly comprises a worm gear box shell, a worm wheel and a main transmission shaft, wherein the main transmission shaft is connected to the worm gear box shell and penetrates out of the worm gear box shell, worm teeth are arranged on the end face of the worm wheel, and the worm wheel is accommodated in the worm gear box shell and sleeved on the main transmission shaft; the motor is connected with a worm to rotate, and the worm penetrates into the worm gear case shell and is meshed with worm teeth on the worm wheel;
the main transmission shaft of the worm gear box assembly is used for driving the sun gear of the planetary gear box assembly to rotate.
2. A drive mechanism for a chef machine as claimed in claim 1, wherein: the planetary gear box assembly comprises a gear box shell, a planetary gear ring, a planetary gear, a sun gear, a planet carrier and an output shaft;
the gear box shell is connected with the main output end of the worm gear box shell of the worm gear box assembly, the planetary gear ring is accommodated and fixed in the gear box shell, the planetary gear ring, the planetary gears and the sun gear are meshed in a planetary gear set mode, and the main transmission shaft of the worm gear box assembly penetrates through the gear box shell and drives the sun gear to rotate;
the central shaft of the planet carrier is coaxially connected with the main transmission shaft of the worm gear box assembly, and each planet wheel shaft of the planet carrier is coaxially connected with each planet gear;
the output shaft is arranged on one of the planetary axles of the planetary carrier.
3. A drive mechanism for a chef machine as claimed in claim 1, wherein: an input end is formed on the worm gear housing of the worm gear assembly, and the worm penetrates into the worm gear housing from the input end and is meshed with worm teeth on the worm gear.
4. A drive mechanism for a chef machine according to claim 1 or claim 3, wherein: the main output end of the worm gear case shell of the worm gear case assembly is an opening arranged at the bottom of the worm gear case shell.
5. A drive mechanism for a chef machine as claimed in claim 1, wherein: the worm gear box assembly also comprises a secondary transmission shaft and a transmission gear;
the end face of the worm wheel is further provided with transmission teeth, the auxiliary transmission shaft penetrates into the worm gear case shell, the transmission gear is accommodated in the worm gear case shell and sleeved on the auxiliary transmission shaft, and the transmission gear is meshed with the transmission teeth on the worm wheel.
6. A drive mechanism for a chef machine as claimed in claim 5, wherein: a secondary output end is formed on the worm gear case shell of the worm gear case assembly, and the secondary transmission shaft penetrates into the worm gear case shell from the secondary output end.
7. A drive mechanism for a chef machine as claimed in claim 5, wherein: the worm teeth are arranged on the periphery of the end face of the worm wheel, and the transmission teeth are arranged in the center of the end face of the worm wheel.
8. A drive mechanism for a chef machine as claimed in claim 1, wherein: the front end of the rotating shaft of the motor is a worm, or the rotating shaft of the motor is connected with a worm through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221298098.XU CN219062373U (en) | 2022-05-27 | 2022-05-27 | Transmission mechanism of chef machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221298098.XU CN219062373U (en) | 2022-05-27 | 2022-05-27 | Transmission mechanism of chef machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219062373U true CN219062373U (en) | 2023-05-23 |
Family
ID=86377747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221298098.XU Active CN219062373U (en) | 2022-05-27 | 2022-05-27 | Transmission mechanism of chef machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219062373U (en) |
-
2022
- 2022-05-27 CN CN202221298098.XU patent/CN219062373U/en active Active
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