CN219982684U - Bean grinding coffee machine driving device - Google Patents
Bean grinding coffee machine driving device Download PDFInfo
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- CN219982684U CN219982684U CN202320115351.1U CN202320115351U CN219982684U CN 219982684 U CN219982684 U CN 219982684U CN 202320115351 U CN202320115351 U CN 202320115351U CN 219982684 U CN219982684 U CN 219982684U
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- gear
- planet carrier
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- planetary gear
- driving device
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- 235000010627 Phaseolus vulgaris Nutrition 0.000 title claims abstract description 8
- 244000046052 Phaseolus vulgaris Species 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 64
- 241000533293 Sesbania emerus Species 0.000 claims abstract description 9
- 208000032370 Secondary transmission Diseases 0.000 claims description 7
- 208000032369 Primary transmission Diseases 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 5
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a driving device of a bean grinding coffee machine, which comprises a motor, an output gear fixedly arranged on a motor shaft of the motor, a planetary gear train in transmission fit with the output gear, a straight-tooth cylindrical gear in transmission fit with the planetary gear train, and a gear set in transmission fit with the straight-tooth cylindrical gear, wherein the gear set is used for being in transmission fit with an inner cone cutter assembly. The motor sequentially passes through the planetary gear train, the straight-tooth cylindrical gear and the gear set to be in transmission fit with the inner cone cutter assembly, so that the rotating speed of the motor can be reduced, the torque can be improved, the inner cone cutter assembly and the driving device can stably rotate, the grinding and crushing of coffee beans are met, the quality of coffee powder is ensured, and the driving device can adapt to the working conditions of high starting frequency and short working time.
Description
Technical Field
The utility model relates to the technical field of coffee machines, in particular to a driving device of a coffee grinder.
Background
Coffee is a drink frequently drunk by people in daily life, and the appearance of a coffee grinder enables people to conveniently obtain fresh coffee.
It is well known that the grinding device is the core of the whole coffee bean grinder. The grinding device comprises an outer conical cutter component and an inner conical cutter component which are matched with each other, wherein the inner conical cutter component is connected with the high-speed motor and rotates at a high speed under the drive of the high-speed motor, and the inner conical cutter component is matched with the outer conical cutter component to grind coffee beans to form coffee powder. However, this grinding device has certain drawbacks: the high-speed motor has the advantages that the rotating speed and the high torque are small, the transmission between the high-speed motor and the inner cone cutter assembly is unstable, grinding and crushing of coffee beans cannot be met, the quality of coffee powder is influenced, and the high-speed motor cannot adapt to the working conditions of short working time and high starting frequency.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model aims to provide the driving device of the bean grinding coffee machine, which not only can improve the stable transmission between the driving device and the inner cone cutter assembly, but also can improve the service life of a high-speed motor.
In order to achieve the above purpose, the driving device of the coffee bean grinding machine comprises a motor, an output gear fixedly arranged on a motor shaft of the motor, a planetary gear train in transmission fit with the output gear, a straight tooth cylindrical gear in transmission fit with the planetary gear train, and a gear set in transmission fit with the straight tooth cylindrical gear, wherein the gear set is used for being in transmission fit with an inner cone cutter assembly.
Further, the gear set comprises a primary transmission gear and a secondary transmission gear which are meshed in a tooth mode, the straight-tooth cylindrical gear is meshed with the primary transmission gear, and the straight-tooth cylindrical gear, the primary transmission gear and the secondary transmission gear are horizontally and transversely arranged in the thin shell.
Further, a first spline is integrally arranged on the secondary transmission gear, and the first spline is partially exposed above the thin shell.
Further, a transmission seat is further arranged in the thin shell and is in transmission fit with the straight-tooth cylindrical gear through a second spline, and the transmission seat is in transmission fit with the planetary gear train.
Further, a through hole is formed in the thin shell, the transmission seat is rotatably arranged in the through hole in a penetrating mode, and a thin-wall rolling bearing is arranged between the periphery of the transmission seat and the inner peripheral wall of the through hole.
Further, the planetary gear train comprises a primary planetary gear train and a secondary planetary gear train which are in transmission fit, the primary planetary gear train is meshed with the output gear teeth, and the secondary planetary gear train is in transmission fit with the straight-tooth cylindrical gear.
Further, the primary planetary gear train comprises a sun gear, a first planet carrier and a plurality of first planet gears, the first planet gears are assembled in the first planet carrier through first planet shafts, the output gears are meshed with the first planet gears, the sun gear is fixedly connected with the first planet carrier, the secondary planetary gear train comprises a second planet carrier and a plurality of second planet gears, the second planet gears are assembled in the second planet carrier through second planet shafts, the sun gear is meshed with the second planet gears, the second planet carrier is fixedly connected with a transmission seat, and the transmission seat is matched with the spur gear through second spline transmission.
Further, the first planet carrier comprises a first upper planet carrier body and a first lower planet carrier body, the first upper planet carrier body is fixedly connected with the sun gear, the first planet gears are assembled between the first upper planet carrier body and the first lower planet carrier body, the second planet carrier comprises a second upper planet carrier body and a second lower planet carrier body, the second upper planet carrier body and the transmission seat are integrally arranged, and the second planet gears are assembled between the second upper planet carrier body and the second lower planet carrier body.
Further, an inner gear ring is sleeved outside the second planetary gear, and the inner gear ring is meshed with each second planetary gear tooth.
Further, an inner gear ring retaining sleeve is sleeved outside the primary planetary gear train and the secondary planetary gear train, the inner gear ring retaining sleeve comprises a first part and a second part which are coaxially arranged, the first part is positioned below the second part, the inner diameter of the first part is smaller than that of the second part, the inner gear ring is arranged in the second part, and the inner peripheral wall of the first part is meshed with each first planetary gear tooth in one stage.
According to the technical scheme, the motor sequentially passes through the planetary gear train, the straight-tooth cylindrical gear and the gear set and is in transmission fit with the inner cone cutter assembly, so that the rotating speed of the motor can be reduced, the torque can be increased, stable rotation between the inner cone cutter assembly and the driving device can be realized, grinding and crushing of coffee beans are met, the quality of coffee powder is ensured, and the driving device can adapt to the working conditions of high starting frequency and short working time.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic view of the assembled structure of the driving device and the inner cone cutter assembly.
Fig. 2 is a schematic structural view of the driving device.
Fig. 3 is an exploded view of fig. 2.
Fig. 4 is an exploded view of a planetary gear train, a thin-walled rolling bearing, a thin housing, a spur gear, and a gear set.
Fig. 5 is a schematic diagram of the assembly structure of a spur gear and a gear set.
Fig. 6 is an exploded view of the planetary gear train and spur gear of fig. 4.
Fig. 7 is a schematic structural view of the thin housing.
Fig. 8 is a schematic structural view of the ring gear retaining sleeve.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with aspects of the utility model as detailed in the accompanying claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the utility model. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
A driving device of a coffee grinder according to the present utility model will be described in detail with reference to the accompanying drawings. The features of the examples and embodiments described below may be combined with each other without conflict.
Referring to fig. 1-8, a driving device 10 of a coffee grinder of the present utility model includes a motor 1, an output gear 11 fixed on a motor shaft of the motor 1, a planetary gear train 2 in transmission engagement with the output gear 11, a spur gear 3 in transmission engagement with the planetary gear train 2, and a gear set 4 in transmission engagement with the spur gear 3, wherein the gear set 4 is used for transmission engagement with an inner cone assembly 20.
The motor 1 sequentially passes through the planetary gear train 2, the spur gear 3 and the gear set 4 to be in transmission fit with the inner cone cutter assembly 20, so that the rotating speed of the motor 1 can be reduced, the torque of the motor is improved, the inner cone cutter assembly 20 and the driving device 10 can stably rotate, grinding and crushing of coffee beans are met, the quality of coffee powder is ensured, and the driving device 10 can adapt to working conditions of high starting frequency and short working time.
The gear set 4 comprises a first-stage transmission gear 41 and a second-stage transmission gear 42 which are meshed with each other in teeth, the straight-tooth cylindrical gear 3 is meshed with the first-stage transmission gear 41 in teeth, the straight-tooth cylindrical gear 3, the first-stage transmission gear 41 and the second-stage transmission gear 42 are horizontally and transversely arranged in the thin shell 5, and the space height occupied by the straight-tooth cylindrical gear 3, the first-stage transmission gear 41 and the second-stage transmission gear 42 can be reduced due to the arrangement.
The secondary transmission gear 42 is integrally provided with a first spline 421, and the first spline 421 partially penetrates through the thin casing 5 and is exposed above the thin casing 5. The first spline 421 is in driving engagement with the inner cone assembly 20.
In this embodiment, the planetary gear system 2 includes a primary planetary gear system 21 and a secondary planetary gear system 22 which are in transmission fit, the primary planetary gear system 21 is meshed with the output gear 11, and the secondary planetary gear system 22 is in transmission fit with the spur gear 3.
Specifically, the primary planetary gear train 21 includes a sun gear 211, a first planet carrier and a plurality of first planet gears 212, the first planet carrier includes a first upper planet carrier 213 and a first lower planet carrier 214, a plurality of first planet shafts 215 are assembled between the first upper planet carrier 213 and the second lower planet carrier 214, the first planet gears 212 are assembled between the first upper planet carrier 213 and the lower planet carrier 214 through the first planet shafts 215, the output gear 11 is meshed with each first planet gear 212, and the sun gear 211 is fixedly connected with the first upper planet carrier 213.
The secondary planetary gear train 22 includes a second planet carrier and a plurality of second planet gears 221, the second planet carrier includes a second upper planet carrier 222 and a second lower planet carrier 223, the second planet gears 221 are assembled between the second upper planet carrier 222 and the second lower planet carrier 223 through second planet shafts 224, and the sun gear 211 is meshed with each of the second planet gears 221.
The second planetary gears 221 are sleeved with an inner gear ring 6, and the inner gear ring 6 is meshed with each second planetary gear 221.
The primary planetary gear system 21, the secondary planetary gear system 22 and the inner gear ring 6 are sleeved with an inner gear ring retaining sleeve 7, the inner gear ring retaining sleeve 7 comprises a first portion 71 and a second portion 72 which are coaxially arranged, the first portion 71 is located below the second portion 72, the inner diameter of the first portion 71 is smaller than that of the second portion 72, the inner gear ring 7 is arranged in the second portion 72, and the inner peripheral wall of the first portion 71 is meshed with each first planetary gear 212.
The second upper planet carrier 222 is fixedly connected with a transmission seat 8, the transmission seat 8 is cylindrical, a second spline 81 is arranged at the upper end of the transmission seat 8, and the second spline 81 stretches into the spur gear 3, so that the transmission seat 8 and the spur gear 3 are in transmission fit through the second spline 81.
In this embodiment, the second upper planet carrier 222 is integrally formed with the transmission seat 8.
The thin shell 5 is provided with a through hole 51, the transmission seat 8 is rotatably arranged in the through hole 51 in a penetrating mode, the second spline 81 stretches into the thin shell 5 to be in transmission fit with the straight-tooth cylindrical gear 3, and a thin-wall rolling bearing 9 is arranged between the transmission seat 8 and the inner peripheral wall of the through hole 51.
The motor 1 is a high-speed motor, the motor 1 is vertically arranged along the height direction of the bean grinding coffee machine, the motor 1 is in transmission fit with the straight-tooth cylindrical gear 3 through the planetary gear train 2, and the straight-tooth cylindrical gear 3 is transversely matched with the gear set 4 to realize the transmission of high-speed rotation of the motor 1.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (10)
1. The driving device of the bean grinding coffee machine comprises a motor and is characterized by further comprising an output gear fixedly arranged on a motor shaft of the motor, a planetary gear train in transmission fit with the output gear, a straight tooth cylindrical gear in transmission fit with the planetary gear train, and a gear set in transmission fit with the straight tooth cylindrical gear, wherein the gear set is used for being in transmission fit with an inner cone cutter assembly.
2. The coffee grinder driving device according to claim 1, wherein said gear set includes a primary transmission gear and a secondary transmission gear with teeth engaged, said spur gear is gear-engaged with said primary transmission gear, and said spur gear, said primary transmission gear and said secondary transmission gear are disposed in a thin housing in a horizontal and lateral direction.
3. The coffee bean grinding machine driving device according to claim 2, wherein the secondary transmission gear is integrally provided with a first spline, and the first spline is partially exposed above the thin shell.
4. The coffee grinder driving device according to claim 2, wherein a transmission seat is further provided in the thin casing, the transmission seat is in transmission fit with the spur gear through a second spline, and the transmission seat is in transmission fit with the planetary gear train.
5. The driving device of a bean grinding coffee machine according to claim 4, wherein the thin shell is provided with a through hole, the transmission seat is rotatably arranged in the through hole in a penetrating manner, and a thin-wall rolling bearing is arranged between the outer periphery of the transmission seat and the inner peripheral wall of the through hole.
6. A coffee grinder driving device according to claim 1, wherein said planetary gear train includes a primary planetary gear train and a secondary planetary gear train in driving engagement, said primary planetary gear train being in gear engagement with said output gear, said secondary planetary gear train being in driving engagement with said spur gear.
7. The coffee grinder driving device according to claim 6, wherein the primary planetary gear train includes a sun gear, a first planet carrier and a plurality of first planet gears, the first planet gears are assembled in the first planet carrier through first planet shafts, the output gears are meshed with the first planet gears, the sun gear is fixedly connected with the first planet carrier, the secondary planetary gear train includes a second planet carrier and a plurality of second planet gears, the second planet gears are assembled in the second planet carrier through second planet shafts, the sun gear is meshed with the second planet gears, the second planet carrier is fixedly connected with a transmission seat, and the transmission seat is in transmission fit with the spur gear through second splines.
8. The coffee grinder driving device according to claim 7, wherein the first planet carrier includes a first upper planet carrier body and a first lower planet carrier body, the first upper planet carrier body is fixedly connected with the sun gear, the first planet gear is assembled between the first upper planet carrier body and the first lower planet carrier body, the second planet carrier includes a second upper planet carrier body and a second lower planet carrier body, the second upper planet carrier body is integrally arranged with the transmission seat, and the second planet gear is assembled between the second upper planet carrier body and the second lower planet carrier body.
9. The coffee bean grinder driving device according to claim 7, wherein the second planetary gear is externally provided with an inner gear ring, and the inner gear ring is engaged with each of the second planetary gear teeth.
10. The driving device of a bean grinding coffee machine according to claim 9, wherein an inner gear ring retaining sleeve is sleeved outside the primary planetary gear train and the secondary planetary gear train, the inner gear ring retaining sleeve comprises a first portion and a second portion which are coaxially arranged, the first portion is located below the second portion, the inner diameter of the first portion is smaller than the inner diameter of the second portion, the inner gear ring is arranged in the second portion, and the inner peripheral wall of the first portion is meshed with each first planetary gear tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115351.1U CN219982684U (en) | 2023-02-05 | 2023-02-05 | Bean grinding coffee machine driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115351.1U CN219982684U (en) | 2023-02-05 | 2023-02-05 | Bean grinding coffee machine driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219982684U true CN219982684U (en) | 2023-11-10 |
Family
ID=88619234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320115351.1U Active CN219982684U (en) | 2023-02-05 | 2023-02-05 | Bean grinding coffee machine driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219982684U (en) |
-
2023
- 2023-02-05 CN CN202320115351.1U patent/CN219982684U/en active Active
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