WO2013170644A1 - Household two-speed multi-functional food processing machine - Google Patents

Description

 Household two-speed multi-function food processor

[Technical Field]

 The present invention relates to a top-drive multi-purpose machine for preparing or storing food for grinding, mixing, agitating, kneading, emulsifying, and whipping foods, and more particularly to a domestic two-speed multifunctional food processor.

【Background technique】

 Multi-functional household food processor with various accessories such as shredded, sliced, cut, honed, diced, smashed, kneaded, and agitated. These accessories can be directly outputted by the motor shaft except for the stirring function. The accessory must be decelerated by the transmission, outputting lower speed and higher torque to drive different accessories to operate, to achieve the function of handling a variety of foods. The prior art household food processor has the following types: First, single speed, no speed reducer, only stirring function accessories, single function; Second, two speeds with two or more speed reducers, each gear box has a different Speed output, a wide range of accessories, inconvenient to use. As for the typical desktop food processor that outputs power from the bottom of the container, although some also have two-speed output, the device is cumbersome, and the transportation and storage take up a lot of space, and the hand-held stir bar that has been purchased cannot be used as much as possible. use.

 [Summary of the Invention]

 The technical problem to be solved by the present invention is to avoid the above-mentioned deficiencies of the prior art, and to provide a single-speed input power from the top, but with two-speed power output, which can adapt to different requirements of speed and torque of different food processing accessories. Home two-speed multi-function food processor.

 The technical solution adopted by the present invention to solve the technical problem is: providing a domestic two-speed multifunctional food processor, comprising a container, a container cover, a power head and a transmission device, wherein the container cover is provided with the power head a power input port, the transmission device is disposed in the container cover, including a common reduction drive train, a high-speed drive train and a low-speed drive train, and the final output of the common reduction drive train is respectively coupled to the high-speed drive train and the low-speed drive train; The final stage output of the high speed drive train is coupled to a removable high speed drive shaft, which in turn is coupled to a removable high speed processing tool; the final stage output of the low speed drive train is coupled to a removable low speed drive shaft The low-speed drive shaft is connected to the removable low-speed processing tool; the final output of the high-speed drive train and the final output of the low-speed drive train are coaxially assembled, and a high-speed drive shaft or a low-speed drive shaft is selected for use. .

Further, the common reduction drive train includes a first sun gear, a first planet gear, a first planet carrier and a first planet carrier gear, the first sun gear is fixed on the drive shaft, and the first planet carrier gear is integrally formed on the On the first planet carrier, the rotational power from the drive shaft passes through the first sun gear, the first planet gear, The first planet carrier and the first planet carrier gear output.

 Further, the high speed drive train includes a high speed output gear, the first planet carrier gear meshes with a high speed output gear, and the high speed output gear is coupled to a removable high speed drive shaft coaxial line; the low speed drive train The first gear of the double gear, the second gear of the double gear, the idle gear and the low speed output gear, the first carrier gear meshes with the first gear of the double gear, and the second gear of the double gear meshes with the idle gear The idler gear meshes with a low speed output gear that is coaxially coupled to the removable low speed drive shaft.

 Further, the high speed drive train includes a high speed output gear, the first planet carrier gear meshes with a high speed output gear, and the high speed output gear is coupled to a removable high speed drive shaft coaxial line; the low speed drive train The second sun gear, the second planet gear and the second planet carrier, wherein the high speed output gear and the second sun gear are respectively a first gear and a second gear of a double gear, and the rotational power from the first carrier gear is in turn Outputted by the second sun gear, the second planet gear, and the second planet carrier, the second planet carrier is coaxially connected to the removable low speed drive shaft.

 Further, a coaxial line between the distal end of the high speed drive train and the removable high speed drive shaft, the concentricity between the end of the low speed drive train and the removable low speed drive shaft Wire connections are splined.

 Further, the spline in the high speed drive shaft can only be adapted to the external spline of the end of the high speed drive train, and the external spline of the low speed drive shaft can only be adapted to the inner spline of the end of the low speed drive train.

 Further, a diagonal hexagonal spline connection is adopted between the high speed drive shaft and the high speed processing tool, and between the low speed drive shaft and the low speed cutter head.

 Further, the low speed processing tool includes a low speed cutter head and a low speed cutter holder; the low speed cutter holder is mounted on the container and is rotatably coupled to the low speed cutter.

 Further, the high speed drive shaft and the low speed drive shaft are rotatably supported on the axle pin at the bottom of the container.

 The invention has the beneficial effects of: using a hand-held stirring rod to input from the top single speed, two-speed output in the container, and alternative use, adapting to different requirements of speed and torque of different food processing accessories; easy operation, light structure; As with the hand-held stir bar, it can achieve the best use and reduce the cost of use.

[Description of the Drawings]

 1 is a front elevational front view of the overall appearance of an embodiment of the domestic two-speed multi-function food processor of the present invention; FIG. 2 is a front elevational view of the container cover in an embodiment of the present invention;

Figure 3 is a view of the preferred embodiment of the high speed food processing accessory 40 after removal of the power head 1 Main cross-sectional view;

 Figure 4 is a front cross-sectional view of the low speed food processing accessory 30 after removal of the powerhead 1 of the preferred embodiment;

 Figure 5 is a front cross-sectional view of the first embodiment of the transmission device, showing the assembly relationship of the high-speed output gear 21 and the low-speed output gear 34 coaxially, but only one alternative;

 Figure 6 is an isometric projection view of the overall appearance of the gearbox 9 of the embodiment of the transmission;

 Figure 7 is a front cross-sectional view of the gearbox 9 of the embodiment of the transmission device, showing in more detail the coaxial relationship of the high-speed output gear 21 and the low-speed output gear 34, but can only be used alternatively, and the mutual interaction of the transmission parts Positional relationship;

 Figure 8 is a perspective view of the first embodiment of the transmission device;

 Figure 9 is a plan view of a high speed drive train 20 of the embodiment of the transmission;

 Figure 10 is a front elevational cross-sectional detail view of the high-speed transmission system of the first embodiment of the transmission device, which more clearly shows the assembly relationship between the high-speed deceleration parts;

 Figure 1 is a front plan view of the low speed drive train 30 of the embodiment of the transmission;

 Figure 12 is a schematic plan view of the axial projection of the low speed drive train 30 of the embodiment of the transmission device, showing more clearly the assembly relationship between the low speed reduction components;

 Figure 13 is a schematic projection view of the high speed output gear 21;

 Figure 14 is a schematic projection view of the low speed output gear 34;

 Figure 15 is a schematic projection view of the high speed drive shaft 22;

 16 is a schematic projection view of the installation of the low speed drive shaft 35 and the low speed processing tool 50; FIG. 17 is a schematic projection view of the high speed drive shaft 22 and the high speed processing tool 40; FIG. 18 is a mechanism barrel diagram of the first embodiment of the transmission device. ;

 Figure 19 is a front cross-sectional view showing the second embodiment of the transmission;

 Figure 20 is a perspective view of the mechanism of the second embodiment of the transmission.

In the figure: 1 is the power head, 2 is the container top cover, 3 is the container lower cover, 4 is the container, 5 is the universal joint, 6 is the output shaft, 7 is the push rod, 8 is the drive shaft, 9 is the gear The box body, 10 is a common reduction drive train, 1 1 is a first planet gear, 12 is a first planet carrier gear, 13 is a first sun gear, 14 is a first internal gear, 15 is a first planet carrier, 20 is a high-speed drive train, 21 is a high-speed output gear, 21 1 is a high-speed output gear shaft, 212 is a spline surface of a high-speed output gear, 22 is a high-speed drive shaft, 221 is a spline on a high-speed drive shaft, and 222 is a high-speed drive. The upper outer oblique hexagonal spline on the shaft, 223 is the lower outer oblique hexagonal spline on the high speed drive shaft, 30 is the low speed drive train, 31 is the double gear first gear, 32 is the double gear second gear, 321 is Double gear shaft, 33 is idler, 331 is idler shaft, 34 is low speed output gear, 341 is internal spline of low speed output gear, 35 is low speed drive shaft, 351 is external spline of low speed drive shaft 35, 36 is Second Sun gear, 37 is the second planet gear, 38 is the second planet carrier, 40 is the high speed processing tool, 41 is the high speed cutter head, 42 is the S knife, 421 is the S knife inner oblique hexagonal spline, 50 is the low speed processing tool 51 is a low speed cutter head, 53 is a low speed cutter holder, 61 is a shaft pin, 81 is a sleeve, 82 is a sleeve, and 91 is a sleeve. 【detailed description】

 The embodiments of the present invention are further described in detail below with reference to the accompanying drawings:

 An embodiment of the domestic two-speed multi-function food processor of the present invention, as shown in Fig. 1 and Fig. 3, includes a container 4 and a power head 1, the container upper cover 2 is mounted on the container lower cover 3, and the container lower cover 3 is buckled. Coupling on the container 4, the power head 1 is usually a hand-held stirring rod body, and the driving shaft 8 is coaxially connected by a universal joint 5 mounted on the upper portion of the upper cover 2 of the container, and the driving shaft 8 connects the food again. The transmission of the processor. The transmission device is disposed in the container cover, and includes a planetary gear train 10, a high speed drive train 20, and a low speed drive train 30. The planetary gear train 10 is coupled to the high speed drive train 20 and the low speed drive train 30, respectively; 10 includes a first sun gear 13, a first planet gear 11, a first inner spur 14, a first planet carrier 15, and a first planet gear 12, the first sun gear 13 being fixed to the drive shaft 8, the first planet The frame gear 12 is integrally formed on the carrier 15.

 The high speed drive train 20 includes a high speed output gear 21 and a high speed drive shaft 22, the first carrier gear 12 meshes with the high speed output gear 21, and the high speed output gear 21 is coaxially connected with the removable high speed drive shaft 22, high speed. The drive shaft 22 is in turn coupled to a removable high speed processing tool 40, the high speed drive shaft 22 and the low speed drive shaft 35 being alternatively rotatably supported on the axle pin 61 at the bottom of the container 4; the low speed drive train 30 includes a first gear 31 of the double gear, a second gear 32 of the double gear, an idler 33, a low speed output gear 34 and a low speed drive shaft 35, the first carrier gear 12 meshes with the first gear 31 of the double gear, double The second gear 32 of the interlocking gear meshes with the idler gear 33, the idler gear 33 meshes with the low speed output gear 34, the low speed output gear 34 is coaxially connected with the removable low speed drive shaft 35, and the low speed drive shaft 35 is The removed low speed processing tool 50 is coupled, and the low speed drive shaft 35 and the high speed drive shaft 22 are alternatively selected to be rotatably supported on the shaft pin 61 at the bottom of the container 4.

 In one embodiment, the high speed output gear 21 is coaxially connected to the removable high speed drive shaft 22, and the low speed output gear 34 is coaxially connected to the removable low speed drive shaft 35, the two places Coaxial core connections are splined connections. Here, the spline connection can fully utilize the spline connection feature. In addition to neutrality and guiding, the high-speed drive shaft 22 and the low-speed drive shaft 35 can be easily removed and replaced to adapt to different food processing speeds. It also has uniform force, high strength and good carrying capacity to meet the special requirements of different accessories for different torques.

 In one embodiment, the low speed processing tool 50 includes a low speed cutter head 51 and a low speed cutter carrier 53 mounted on the container 4 in rotational connection with the low speed cutter head 51.

In one embodiment, the high speed drive shaft 22 and the high speed processing tool 40, and the low speed drive shaft 35 The low speed cutter heads 51 are connected by oblique hexagonal splines. This connection makes it easy to change different processing tools to suit different food handling requirements. The high-speed output gear 21 and the low-speed output gear 34 are coaxially assembled, and a high-speed drive shaft 22 or a low-speed drive shaft 35 is optionally used in the coaxial line to obtain high-speed or low-speed power. The high speed drive shaft spline 221 can only be adapted to the external spline 21 2 of the high speed output gear 21, and the outer spline 351 of the low speed drive shaft can only be adapted to the inner spline 351 of the low speed output gear 35, and is high speed. The processing tool 40 can only be mounted on the high speed drive shaft 22, and the low speed cutter head 51 can only be mounted on the low speed drive shaft 35, avoiding the mixing of high and low speed food processing accessories.

 The rotary power from the power head 1 is input through the universal joint 5, and is output from the high and low speed output gears 21, 34, and the high and low speed drive shafts 22, 35 are replaced with different food processing tools, and the power is turned on. The food enters from the feed opening of the lid 2 of the container and is pushed in by the push rod 7.

 The structural principle of the first embodiment of the transmission of the present invention will be more clearly understood from the mechanism barrel of Fig. 18. The rotational power from the power head 1 is transmitted from the universal joint 5 to the drive shaft 8, the first sun gear 13 through the planetary gear train 10, the first planetary gear 1 1 , the first internal gear 14, and the first The carrier 15 is rotated by the first carrier gear 12 formed on the first carrier 15. After that, it is output by two high and low speeds. The transmission of the high speed drive train 20 engages the first carrier gear 12 with the high speed output gear 21 and then outputs the power to the removable high speed drive shaft 22 by splined connections. The transmission of the low speed drive train 30 is such that the carrier gear 12 meshes with the first gear 31 of the double gear, and the second gear 32 of the double gear transmits power to the low speed output gear 34 through the idler 33, and then is powered by a spline connection. Output to the removable low speed drive shaft 35.

 When using the food processor of the present invention, the container upper cover 2 and the container lower cover 3 are first unloaded, and the high speed drive shaft 22 or the low speed drive shaft 35 equipped with the corresponding high speed or low speed processing tool is selectively attached to the shaft pin at the bottom of the container 1. 61, the selected high speed drive shaft 22 or low speed drive shaft 35 is connected with the corresponding high speed output gear 21 or low speed output gear 34, the lower container cover 3 is fastened, and the upper container cover 2 and the power head 1 are installed. Carry out the corresponding food processing.

 The structure of another embodiment of the transmission of the present invention is as shown in Figs. 19 and 20. The common reduction transmission also includes a first sun gear 13, a first planet gear 11, a first planet carrier 15, and a first planet carrier gear 12. The first sun gear 13 is fixed to the drive shaft 8. The first carrier gear 1 is integrally formed on the carrier 15 . The high speed drive train 20 includes a high speed output gear 21 that meshes with a high speed output gear 21 that is coaxially coupled to a removable high speed drive shaft 22. The low speed drive train 30 includes a second sun gear 36, a second planet gear 37 and a second planet carrier 38. The high speed output gear 21 and the second sun gear 36 are respectively a first gear and a second gear of a double gear. .

The external rotating power is sequentially passed by the universal joint 5 and the driving shaft 8 through the first sun gear 13, the first planetary gear 1 1 , the first internal gear 14, the first carrier 15 and the first carrier gear. 12 output. After that, it is output by two high and low speeds. The transmission of the high speed drive train is the first planetary gear 12 and the first gear of the double gear The wheels are engaged while the power is output to the removable high speed drive shaft 1 through the splines on the double gears. The transmission of the low-speed drive train is the second-stage gear, the second planetary gear 37, and the second internal gear that are transmitted from the first carrier gear 12 and the double-speed gear 7 is decelerated, and again passed through the second sun gear 36, that is, the double gear.圏39, the second planet carrier 38 is again decelerated. At the same time, power is output to the removable speed drive shaft 12 by the splines on the planet carrier 10.

 The above is a further detailed description of the present invention in conjunction with the specific embodiments, and the specific embodiments of the invention are not limited to the description. It is to be understood by those skilled in the art that the present invention can be deduced or replaced without departing from the spirit and scope of the invention.

Claims

Rights request A household two-speed multifunctional food processor comprising a container (4), a container lid, a power head (1) and a transmission (4), the container cover being provided with the power head (1) A power input port is provided, which is characterized by:  The transmission device is disposed in the container cover, and includes a common reduction drive train (10), a high speed drive train (20) and a low speed drive train (30), and the final output of the common reduction drive train (10) is respectively coupled to the high speed drive train ( 20) and low speed drive train (30);  The final stage output of the high speed drive train (20) is coupled to a removable high speed drive shaft (22), which in turn is coupled to a removable high speed processing tool (40); the low speed drive train The final output of (30) is connected to the removable low speed drive shaft (35), which in turn is connected to the removable low speed processing tool (50); the end of the high speed drive train (20) The final output of the stage output and low speed drive train (30) is coaxially assembled, using either a high speed drive shaft (22) or a low speed drive shaft (35). 2. The domestic two-speed multi-function food processor according to claim 1, wherein: the common reduction drive train (10) comprises a first sun gear (13), a first planet gear (11), a first a planet carrier (15) and a first planet carrier gear (U), the first sun gear (13) is fixed on the drive shaft (8), and the first planet carrier gear (U) is integrally formed on the first planet carrier (15) The rotary power from the drive shaft is sequentially output through the first sun gear (13), the first planet gear (11), the first planet carrier (15), and the first carrier gear (12). 3. The domestic two-speed multi-function food processor according to claim 2, wherein: said high speed drive train (20) comprises a high speed output gear (21), said first planet carrier gear (12) and high speed The output gear ( ² 1 ) is meshed, and the high speed output gear ( ² 1 ) is coaxially connected to the removable high speed drive shaft ( ²² ); the low speed drive train (30) includes the first gear of the double gear (31), the second gear of the double gear ^(32), idler gear (33) and the low output gear ^(34), a first planet gear carrier (U) with the first gear of the dual gear () meshes, The second gear ( ³² ) of the double gear meshes with the idler gear ( ³³ ), and the idler gear ( ³³ ) meshes with the low speed output gear (34), the low speed output gear (34) and the removable low speed drive shaft ( 35) Coaxial core connection. 4. The household two-speed multi-function food processor according to claim 2, wherein: said high speed A drive train (2) comprises a high-speed output gear (21), the first planetary gear carrier (12) and the high-speed output gear ⁽²¹⁾ meshes, the high-speed output gear ⁽²¹⁾ and removable high-speed drive shaft ( ²² ) a coaxial cable connection; the low speed drive train (30) includes a second sun gear (36), a second planet gear (37) and a second planet carrier (38), the high speed output gear (21) And the second sun gear is a first gear and a second gear of a double gear, respectively, and the rotational power from the first carrier gear (12) sequentially passes through the second sun gear (36) and the second planetary gear (37) And a second planet carrier (38) output, the second planet carrier (38) being coaxially connected to the removable low speed drive shaft (35). 5. The household two-speed multi-function food processor according to claim 1, wherein: a coaxial output between the final output of the high speed drive train (20) and the removable high speed drive shaft (22) The heart line is connected, and the final output of the low speed drive train (30) is connected to the coaxial line between the removable low speed drive shafts (35), all of which are splined. The household two-speed multi-function food processor according to claim 1, wherein: the high-speed drive shaft spline (221) can only be adapted to the outer spline of the high-speed drive train (20) The external spline (351) of the low speed drive shaft can only be adapted to the internal spline of the end of the low speed drive train. The domestic two-speed multi-function food processor according to any one of claims 1 to 6, characterized by: between the high speed drive shaft ( ²² ) and the high speed processing tool (40), and the low speed drive shaft ( 35) It is connected with the low-speed cutter head (51) with a diagonal hexagonal spline. The domestic two-speed multi-function food processor according to any one of claims 1 to 6, characterized in that: the low speed processing tool (50) comprises a low speed cutter (51) and a low speed cutter holder (53) The low speed cutter holder ( 53 ) is mounted on the container ( 4 ) and is rotatably connected to the low speed cutter head ( 51 ). The domestic two-speed multi-function food processor according to any one of claims 1 to 6, wherein: the high speed drive shaft (22) and the low speed drive shaft (35) are rotatably supported at the bottom of the container. On the shaft pin ( 61 ).