Power transmission device and ice cream and ice crusher all-in-one machine

Abstract

The utility model discloses a power transmission device and an ice cream and sand ice all-in-one machine, the power transmission device comprises a power input shaft, a power output shaft and a power transmission mechanism; the power transmission mechanism comprises a first planetary mechanism and a second planetary mechanism. The first planetary mechanism comprises a first sun gear, a first planetary gear driven by the first sun gear, a fixed inner gear ring, a first planetary carrier and a middle planetary carrier. The second planetary mechanism comprises a second sun gear, a second planetary gear and a second planetary carrier; the middle planet carrier drives the second sun gear to rotate, the second planet gear is meshed with the fixed inner gear ring, and the second planet carrier is in transmission connection with the power output shaft. According to the power transmission device, due to the fact that the first planetary mechanism and the second planetary mechanism are arranged and share one fixed inner gear ring, it is guaranteed that the output speed and torsion are stable, high-speed or low-speed work is met, and low-torsion and high-torsion output is met.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission, in particular to a power transmission device and an ice cream and smoothie all-in-one machine. Background Art

[0002] As people's pursuit of quality of life and living conditions increases, household kitchen appliances are widely popularized, such as chef machines, juicers, soy milk machines, wall breaking machines, ice machines, smoothie machines and ice cream machines, etc. The above-mentioned small machines have slightly different functions, especially in the power output of the machines. Some require high speeds, and some require large torque outputs. For example, smoothie machines and ice cream machines require high output speeds when preparing smoothies, and high torque outputs when preparing ice cream. However, smoothie machines and ice cream machines are essentially the same, except that the required output speeds and torques are different. In the prior art, smoothie machines and ice cream machines are mostly two separate machines, which makes the number of household machines large, the purchase cost high, and the space occupied when stored, which is difficult to meet people's needs. If the smoothie machine is used as an ice cream machine, the output torque is not large enough, and the speed and torque of the power output are not stable enough. Using the smoothie machine directly as an ice cream machine or the ice cream machine directly as a smoothie machine will greatly reduce the service life of the machine and increase the failure rate of the machine. Utility Model Content

[0003] In order to overcome at least one of the defects described in the above-mentioned prior art, one of the objects of the utility model is to provide a power transmission device, which ensures the stability of the output speed and torque through the arrangement of the first planetary mechanism and the second planetary mechanism, and the first planetary mechanism and the second planetary mechanism share a fixed internal gear ring, so as to meet the requirements of high-speed or low-speed operation and low-torque and high-torque output.

[0004] In order to overcome at least one of the defects of the above-mentioned prior art, the second purpose of the present utility model is to provide an all-in-one ice cream and smoothie machine. The all-in-one ice cream and smoothie machine adopts the aforementioned power transmission device. When working, it can output high speed or high torque as needed to meet the needs and requirements of one machine for multiple uses.

[0005] The technical solution adopted by the utility model to solve the problem is:

[0006] A power transmission device comprises a power input shaft, a power output shaft and a power transmission mechanism for transmission connecting the power input shaft and the power output shaft;

[0007] The power transmission mechanism comprises a first planetary mechanism drivingly connected to the power input shaft and a second planetary mechanism drivingly connected to the power output shaft, and the second planetary mechanism is drivingly connected to the first planetary mechanism;

[0008] The first planetary mechanism includes a first sun gear driven by the power input shaft, a first planetary gear driven by the first sun gear, a fixed internal gear ring meshing with the first planetary gear, and a first planetary carrier and an intermediate planetary carrier driven by the first planetary gear;

[0009] The second planetary mechanism includes a second sun gear, a second planetary gear driven by the second sun gear, and a second planetary carrier driven by the second planetary gear;

[0010] The intermediate planetary carrier drives the second sun gear to rotate, the second planetary gear meshes with the fixed internal gear ring, and the second planetary carrier is in transmission connection with the power output shaft.

[0011] Further: The power input shaft is coaxially and fixedly connected to the first sun gear.

[0012] Further: The intermediate planetary carrier is coaxially and fixedly connected to the second sun gear.

[0013] Further: The second planetary carrier is coaxially and fixedly connected to the power output shaft.

[0014] Further: The second planetary carrier and the power output shaft are integrally formed.

[0015] Further: A first connection through hole is provided on the first planetary carrier, a first connection column is fixedly provided in the first connection through hole, a second connection through hole is provided on the intermediate planetary carrier, the first connection through hole and the second connection through hole are coaxially arranged, and the first connection column is fixedly connected to the second connection through hole.

[0016] Further: A support shoulder is provided at an end of the first connection through hole away from the second connection through hole, and the first connection column is placed on the support shoulder.

[0017] Further: Three first planetary gears and three second planetary gears are respectively provided, and the first planetary gears and the second planetary gears are evenly distributed on the outer circumferences of the first sun gear and the second sun gear respectively.

[0018] Further: It further includes a housing, the fixed internal gear ring is fixedly connected to the housing, a bearing is sleeved on the power output shaft, and the bearing is fixedly installed with the housing.

[0019] An ice cream and smoothie integrated machine includes a driving motor and the foregoing power transmission device, and the motor shaft of the driving motor is fixedly connected to the power input shaft.

[0020] In summary, a power transmission device provided by the present utility model has the following technical effects:

[0021] 1. The power transmission mechanism adopts the first planetary mechanism and the second planetary mechanism to achieve multi-stage power transmission, realize smooth deceleration and large torque output, so as to achieve output forces and output speeds of different magnitudes.

[0022] 2. The first planetary mechanism and the second planetary mechanism share a fixed internal gear ring, reducing the vibration and noise during the operation of the power transmission device and ensuring smooth power output of the power transmission device.

[0023] 3. The second planetary carrier is fixedly connected to the power output shaft, simplifying the structure, improving the bending resistance of the power output shaft, and ensuring large torque output.

[0024] In summary, an ice cream and smoothie integrated machine provided by the present utility model has the following technical effects:

[0025] This ice cream and smoothie integrated machine adopts the aforementioned power transmission device, enabling the integrated machine to output high rotational speed or large torque during operation, meeting the multi-functional requirements of the integrated machine. Brief Description of the Drawings

[0026] Figure 1 It is a schematic structural diagram of an embodiment of a power transmission device of the present utility model.

[0027] Figure 2 It is a schematic internal structure diagram of a power transmission device of the present utility model.

[0028] Figure 3 It is Figure 2 the front view of

[0029] Figure 4 It is a schematic structural diagram of the power transmission mechanism in the present utility model.

[0030] Figure 5 It is Figure 4 the sectional view of

[0031] Figure 6 It is Figure 5 the three-dimensional structural diagram of

[0032] Among them, the meanings of the reference numerals are as follows:

[0033] 1. Power input shaft; 2. Power output shaft; 21. Bearing; 30. Power transmission mechanism; 301. Outer shell; 31. First sun gear; 32. First planetary gear; 33. First planetary carrier; 331. First connection through hole; 332. Support shoulder; 34. Intermediate planetary carrier; 341. Second connection through hole; 35. Second sun gear; 36. Second planetary gear; 37. Second planetary carrier; 38. Second connection column; 39. First connection column; 4. Driving motor. Detailed implementation manners

[0034] For better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0035] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0037] Refer to Figure 1 and Figure 2 The present utility model discloses a power transmission device, which includes a power input shaft 1, a power output shaft 2, and a power transmission mechanism 30 that is drivingly connected between the power input shaft 1 and the power output shaft 2.

[0038] The power transmission mechanism 30 includes a first planetary mechanism drivingly connected to the power input shaft 1 and a second planetary mechanism drivingly connected to the power output shaft 2, and the second planetary mechanism is drivingly connected to the first planetary mechanism.

[0039] The first planetary mechanism includes a first sun gear 31 driven by the power input shaft 1, a first planetary gear 32 driven by the first sun gear 31, a fixed internal gear ring meshing with the first planetary gear 32, and a first planetary carrier 33 and an intermediate planetary carrier 34 driven by the first planetary gear 32.

[0040] The second planetary mechanism includes a second sun gear 35, a second planetary gear 36 driven by the second sun gear 35, and a second planetary carrier 37 driven by the second planetary gear 36.

[0041] The intermediate planetary carrier 34 drives the second sun gear 35 to rotate, the second planetary gear 36 meshes with the fixed internal gear ring, and the second planetary carrier 37 is drivingly connected to the power output shaft 2.

[0042] Based on the above solution, by adopting the first planetary mechanism and the second planetary mechanism, smooth deceleration of the power rotation mechanism is achieved. At the same time, high-speed output and large-torque output are realized, meeting various working conditions and requirements.

[0043] Based on the above solution, the first planetary mechanism and the second planetary mechanism share a fixed internal gear ring, reducing noise and vibration during the operation of the power transmission device, ensuring smooth and stable power output, and ensuring the stable operation of the power output shaft.

[0044] Based on the above solution, the first planetary mechanism and the second planetary mechanism share a fixed internal gear ring, simplifying the structure, reducing the volume of the power transmission mechanism 30, and realizing the miniaturization and light weight of the power transmission mechanism 30.

[0045] In this technical solution, the power input shaft 1 is coaxially and fixedly connected to the first sun gear 31. The power input shaft 1 is directly coaxially fixed to and drives the first sun gear 31 to rotate. The rotation axis of the first sun gear 31 is coaxial with the power input shaft, ensuring the stable rotation of the first sun gear 31 and the smooth meshing between the first sun gear 31 and the first planetary gear. In addition, the first sun gear 31 is fixedly connected to the power input shaft, which also simplifies its connection structure, reduces the failure rate of the power transmission mechanism 30, and increases the torque output by the power transmission mechanism during operation.

[0046] In this technical solution, the intermediate planet carrier 34 is coaxially and fixedly connected to the second sun gear 35. The intermediate planet carrier 34 drives the second sun gear 35 to rotate and is coaxially and fixedly connected to the second sun gear 35, making the first sun gear and the second sun gear coaxially arranged, ensuring smooth power transmission of the power transmission mechanism 30, reducing the vibration of the power transmission mechanism 30 during operation, and at the same time simplifying the mechanism of the power transmission mechanism 30 and reducing the failure rate of the power transmission mechanism 30 during operation.

[0047] In this technical solution, the second planet carrier 37 is coaxially and fixedly connected to the power output shaft 2, increasing the torque output by the power output shaft, achieving smooth deceleration of the power transmission mechanism 30, realizing high-speed output of the power transmission mechanism 30, realizing large-torque output of the power transmission mechanism 30, increasing the working scenarios of the power transmission mechanism 30, improving the utilization rate of the power transmission mechanism 30, and enabling the power transmission mechanism 30 to meet the requirements of multiple functions.

[0048] In this technical solution, the second planet carrier 37 and the power output shaft 2 are integrally formed. Further improving the anti-torque ability of the power output shaft 2, making the power output of the power output shaft smooth and increasing the strength of the power output shaft. The integral formation of the second planet carrier 37 and the power output shaft 2 simplifies the connection between the second planet carrier and the power output shaft.

[0049] In this technical solution, a first connection through-hole 331 is provided on the first planet carrier 33, a first connection post 39 is fixedly arranged in the first connection through-hole 331, a second connection through-hole 341 is provided on the intermediate planet carrier 34, the first connection through-hole 331 and the second connection through-hole 341 are coaxially arranged, and the first connection post 39 is fixedly connected to the second connection through-hole 341. The connection between the first planet carrier and the intermediate planet carrier is realized through the first connection through-hole 331, the second connection through-hole 341 and the first connection post 39. When the first planet gear drives the first planet carrier to rotate, the intermediate planet carrier rotates synchronously and in the same direction as the first planet carrier. The rotation central axes of the first planet carrier and the intermediate planet carrier coincide. The intermediate planet carrier drives the second sun gear to rotate, so that the rotation central axes of the second sun gear and the first sun gear coincide, enabling the first planetary mechanism and the second planetary mechanism to share a fixed internal gear ring.

[0050] In the above solution, the first planet carrier 33 is connected to the intermediate planet carrier 34 through the first connection post 39. The connection operation is convenient, the structure is compact, the power transmission is stable, and the transmission torque is large.

[0051] In the above solution, since the second planet gear meshes with the fixed internal gear ring, it realizes revolution around the second sun gear, so that the second planet gear drives the second planet carrier to rotate through the second connection post 38, and the second planet carrier drives the power output shaft to rotate coaxially.

[0052] In this technical solution, a support shoulder 332 is provided at the end of the first connection through-hole 331 away from the second connection through-hole 341, and the first connection post 39 is placed on the support shoulder 332. By providing the support shoulder, the installation of the first connection post is realized, the positioning and limiting of the first connection post are achieved, and the installation accuracy and strength of the first connection post are ensured.

[0053] In this technical solution, three first planet gears 32 and three second planet gears 36 are respectively provided, and the first planet gears 32 and the second planet gears 36 are respectively evenly distributed on the outer circumferences of the first sun gear 31 and the second sun gear 35. The power output intensity of the central planet carrier and the second planet carrier is improved, and the overall stable transmission of the power transmission mechanism is ensured. In particular, the strength and output torque of the second planet carrier are increased, enabling the power transmission mechanism to achieve high-speed output or high-torque output. In addition, the first planet gears 32 and the second planet gears 36 are respectively evenly distributed on the outer circumferences of the first sun gear 31 and the second sun gear 35, which also makes the forces on the first sun gear and the second sun gear more balanced and extends the service lives of the first sun gear and the second sun gear.

[0054] In this technical solution, the power transmission device further includes a housing 301. The fixed internal gear ring is fixedly connected to the housing 301. Specifically, the teeth of the fixed internal gear ring are directly formed on the inner wall of the housing 301 and then mesh with the first planetary gear and the second planetary gear.

[0055] A bearing 21 is sleeved on the power output shaft 2. The bearing 21 is fixedly installed with the housing 301, which improves the stability of the power output shaft, avoids the cantilever rotation state of the power output shaft, improves the stability of the power output shaft, and ensures the smooth power output and large torque output of the power output shaft.

[0056] An ice cream and smoothie integrated machine includes a drive motor 4 and the aforementioned power transmission device. The motor shaft of the drive motor 4 is fixedly connected to the power input shaft 1.

[0057] When an ice cream and smoothie integrated machine works, when making ice cream, the torque required is greater than that required for crushing ice sand. Correspondingly, the speed of making ice cream is smaller than that required for crushing ice sand. When crushing ice sand, the required speed is greater than that required for making ice cream. In this solution, an ice cream and smoothie integrated machine includes a drive motor 4 and the aforementioned power transmission device. By outputting different speeds from the drive motor 4 to the power transmission device, the power transmission device obtains different output speeds, and correspondingly different output torques will be obtained. The greater the output speed, the smaller the output torque, and the smaller the input, the greater the output torque, which can respectively meet the requirements of crushing ice sand and making ice cream. Therefore, the ice cream and smoothie integrated machine in this solution can meet the different needs of crushing ice sand and making ice cream by adopting the aforementioned power transmission device, realizing multi-functional use, saving the user's purchase cost, and simplifying home storage.

[0058] In the above solution, the motor shaft of the drive motor 4 is fixedly connected to the power input shaft 1, which simplifies the structure and increases the power input torque.

[0059] The technical means disclosed in the technical solution of the present invention are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present invention.

Claims

1. A power transmission device, characterized in that: It includes a power input shaft, a power output shaft, and a power transmission mechanism that drives and connects the power input shaft and the power output shaft; The power transmission mechanism includes a first planetary mechanism that is drivingly connected to the power input shaft and a second planetary mechanism that is drivingly connected to the power output shaft, and the second planetary mechanism is drivingly connected to the first planetary mechanism; The first planetary mechanism includes a first sun gear driven by the power input shaft, a first planetary gear driven by the first sun gear, a fixed internal gear ring meshing with the first planetary gear, and a first planetary carrier and an intermediate planetary carrier driven by the first planetary gear; The second planetary mechanism includes a second sun gear, a second planetary gear driven by the second sun gear, and a second planetary carrier driven by the second planetary gear; The intermediate planetary carrier drives the second sun gear to rotate, the second planetary gear meshes with the fixed internal gear ring, and the second planetary carrier is drivingly connected to the power output shaft.

2. The power transmission device according to claim 1, wherein: The power input shaft is coaxially and fixedly connected to the first sun gear.

3. The power transmission device according to claim 1, characterized in that: The intermediate planetary carrier is coaxially and fixedly connected to the second sun gear.

4. The power transmission device according to claim 1, characterized in that: The second planetary carrier is coaxially and fixedly connected to the power output shaft.

5. The power transmission device according to claim 4, characterized in that: The second planetary carrier is integrally formed with the power output shaft.

6. The power transmission device according to claim 1, characterized in that: A first connection through hole is provided on the first planetary carrier, a first connection column is fixedly provided in the first connection through hole, a second connection through hole is provided on the intermediate planetary carrier, the first connection through hole and the second connection through hole are coaxially arranged, and the first connection column is fixedly connected to the second connection through hole.

7. The power transmission device according to claim 6, characterized in that: A support shoulder is provided at the end of the first connection through hole away from the second connection through hole, and the first connection column is placed on the support shoulder.

8. The power transmission device according to claim 1, characterized in that: Three first planetary gears and three second planetary gears are respectively provided, and the first planetary gears and the second planetary gears are evenly distributed on the outer circumferences of the first sun gear and the second sun gear respectively.

9. The power transmission device according to claim 1, characterized in that: It further includes a housing, the fixed internal gear ring is fixedly connected to the housing, a bearing is sleeved on the power output shaft, and the bearing is fixedly installed with the housing.

10. An integrated ice cream and smoothie machine, characterized in that, It includes a driving motor and the power transmission device according to any one of claims 1 to 9, and the motor shaft of the driving motor is fixedly connected to the power input shaft.

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