WO2019205676A1

WO2019205676A1 - Blender

Info

Publication number: WO2019205676A1
Application number: PCT/CN2018/122108
Authority: WO
Inventors: 王学超; 李忠华; 王跃; 文志华
Original assignee: 美的集团股份有限公司
Priority date: 2018-04-27
Filing date: 2018-12-19
Publication date: 2019-10-31
Also published as: CN108968719B; CN108968719A

Abstract

Disclosed is a blender (10). The blender (10) comprises: a first drive shaft (1), a second drive shaft (2), a drive member (3) and a transmission device (4). The transmission device (4) comprises: a first bevel gear (41), a second bevel gear (42), a third bevel gear (43) and a holding bracket (44), wherein the second bevel gear (42) is connected to the second drive shaft (2); the first bevel gear (41) and the second bevel gear (42) are arranged in an axially opposite manner; the third bevel gear (43) is engaged between the first bevel gear (41) and the second bevel gear (42); the third bevel gear (43) is rotatably arranged at the holding bracket (44); the holding bracket (44) is rotatably arranged at the second drive shaft (2); and the third bevel gear (43) selectively rotates or revolves. The blender has the effects of crushing with a cutter head and cutting food materials in an improved manner.

Description

Mixer

Cross-reference to related applications

The present application claims the priority of the Chinese Patent Application No. 201810393569.7 filed on April 27, 2018, entitled "Mixer" by Midea Group Co., Ltd.

Technical field

The invention relates to the technical field of living appliances, in particular to a mixer.

Background technique

With the advancement of society and the improvement of people's daily life, the application of food mixers has become more and more widespread and has spread to thousands of households. Such blender products typically consist of a lower base and an upper stirred vessel. In order to better process different types of food, it is necessary to improve the crushing and cutting effect of the cutter head. At the same time, for the harder food, the knife set has a better grinding effect.

In the related art, the current mixer is mostly one-way rotation of the cutter head assembly. In order to achieve better food stirring or crushing performance, a very high rotation speed is required, in addition to causing high vibration noise, the high rotation speed is easy to stir. A deep fluid vortex is formed in the container, which tends to cause the entire interior of the cup to be filled with food residue and is difficult to clean. The one-way rotating cutter head assembly can not fully exert the maximum effect of the cutter head, especially when grinding harder food materials, only forcibly breaking the foodstuff, and can not carry out the extrusion grinding between the cutter head components.

In addition, the one-way rotation of the single-cutter assembly is due to the high rotation speed, which will form a deep fluid vortex in the food cooking container. Under the centrifugal force, the liquid boundary of the stirring container rises higher, which is not conducive to the sealing of the stirring container.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent.

To this end, it is an object of the present invention to provide a mixer which can increase the agitation or pulverization efficiency and effect of the mixer and also reduce the operating noise of the mixer.

The agitator according to the present invention includes: a first drive shaft, a second drive shaft, a driving member and a transmission, the second drive shaft is sleeved on the first drive shaft; the drive member and the first drive shaft Connected; the transmission device comprises: a first bevel gear, a second bevel gear, a third bevel gear and a cage, the first bevel gear is connected to the first drive shaft, and the second bevel gear is connected to the a second drive shaft, the first bevel gear and the second bevel gear are disposed opposite to each other in the axial direction, and the third bevel gear is meshed between the first bevel gear and the second bevel gear The third bevel gear is rotatably disposed on the retainer, and the retainer is rotatably disposed on the second drive shaft, and the third bevel gear selectively rotates and revolves.

According to the agitator of the present invention, the first drive shaft and the second drive shaft can be operated in different rotation modes by the cooperation of the first drive shaft, the second drive shaft, the drive member and the transmission device, and the agitation or pulverization of the mixer can be improved. Efficiency and effectiveness, and can also reduce the working noise of the mixer.

Further, the agitator according to the above embodiment of the present invention may further have the following additional technical features:

According to an example of the present invention, the agitator further includes: a first limiting member, the first limiting member selectively limiting the retaining frame to rotate the third bevel gear.

According to an example of the invention, the first limiting member is a pivoting member, and the first limiting member further selectively limits the second driving shaft to revolve the third bevel gear.

According to an example of the present invention, the first limiting member further selectively positions the holder and the second driving shaft.

According to an example of the present invention, the holder includes: a first plate and a second plate, the first plate is rotatably disposed on the second drive shaft, and the second plate is coupled to the first plate The third bevel gear is rotatably disposed on the second plate.

According to an example of the present invention, the upper surface of the first plate and the outer surface of the second drive shaft are each provided with a limiting groove that cooperates with the first limiting member.

According to an example of the present invention, the limiting slots are plural and are respectively distributed in the circumferential direction of the first plate and the second driving shaft.

According to an example of the present invention, the agitator further includes: a second limiting member that selectively limits the second driving shaft to revolve the third bevel gear.

According to an example of the invention, the first drive shaft is arranged vertically.

According to an example of the present invention, the first drive shaft includes: a first sub-axis and a second sub-axis, the first sub-axis is fixedly coupled to the first bevel gear, the first sub-axis and the The second sub-axis spline fits.

According to an example of the invention, the second drive shaft is splined with the second bevel gear.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

1 is a schematic view of a first limiting member of a mixer for limiting a retainer according to an embodiment of the present invention;

2 is a schematic view showing the first limiting member of the mixer for limiting the second driving shaft according to an embodiment of the present invention;

3 is a schematic view showing the first limiting member of the mixer not limiting the cage and the second driving shaft according to an embodiment of the present invention;

4 is a cross-sectional view of the first limit member of the blender for restraining the retainer in accordance with an embodiment of the present invention.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention. Furthermore, features defining "first" and "second" may include one or more of the features, either explicitly or implicitly. In the description of the present invention, "a plurality" means two or more unless otherwise stated.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

The agitator 10 according to an embodiment of the present invention will be described in detail below with reference to Figs.

As shown in FIGS. 1-4, a blender 10 according to an embodiment of the present invention includes a first drive shaft 1, a second drive shaft 2, a drive member 3, and a transmission 4. The upper end of the first drive shaft 1 may be provided with a first agitating member 13 , and the first agitating member 13 may be fixed to the first driving shaft 1 by screws, interference fit or welding, and the upper end of the second driving shaft 2 may be provided with The second agitating member 22 and the second agitating member 22 may be fixed to the second driving shaft 2 by screws, nuts, interference fit or welding. The agitator 10 may further include a stirring vessel, and the first agitating member 13 and the second agitating member 22 are both disposed in the agitating vessel.

The second drive shaft 2 may be a hollow shaft, the first drive shaft 1 may be a solid shaft, the second drive shaft 2 is sleeved on the first drive shaft 1, and a bearing is arranged between the first drive shaft 1 and the second drive shaft 2 In this way, the first drive shaft 1 and the second drive shaft 2 can be relatively rotated, and the outer side of the second drive shaft 2 is also provided with a bearing, so that the second drive shaft 2 can be freely rotated.

The driving member 3 is connected to the first driving shaft 1, and the driving member 3 can drive the first driving shaft 1 to rotate. The transmission 4 may include a first bevel gear 41, a second bevel gear 42, a third bevel gear 43, and a cage 44. Bearings are mounted on the first bevel gear 41, the third bevel gear 43, and the second bevel gear 42, so that the first bevel gear 41, the second bevel gear 42, and the third bevel gear 43 can be rotated about their respective central axes. .

The first bevel gear 41 is connected to the first drive shaft 1, and the second bevel gear 42 is connected to the second drive shaft 2. The first bevel gear 41 and the second bevel gear 42 are disposed opposite to each other in the axial direction, and the first bevel gear 41 is located at the first Below the bevel gear 42, the third bevel gear 43 meshes between the first bevel gear 41 and the second bevel gear 42, and the bearings of the first bevel gear 41 and the bearings of the third bevel gear 43 are both embedded in the cage 44. .

The first drive shaft 1 is fixed to the central hole of the first bevel gear 41 by screws, interference fit or welding, and passes through the center hole of the second bevel gear 42 at the first drive shaft 1 and the second bevel gear 42. Bearings are placed between the center holes so that the setting can increase the stability of the support. The output shaft 31 of the drive member 3 is coupled to the center hole of the first bevel gear 41 by a keyway or the like to transmit torque.

The third bevel gear 43 is rotatably disposed on the holder 44, and the holder 44 is rotatably disposed on the second drive shaft 2, and the third bevel gear 43 is selectively rotated and revolved. In the third bevel gear 43 rotation mode, the first agitating member 13 and the second agitating member 22 rotate in opposite directions. At this time, the fluid in the agitating vessel follows the rotation speed, the centrifugal force is reduced, and the fluid in the agitating vessel is not Forming a deep vortex, the fluid at the side wall of the agitating vessel does not overflow too high, is easy to seal, and is not easy to leave too much food residue on the side wall of the mixing vessel for convenient cleaning.

In general, the greater the relative rotational speed between the first agitating member 13 and the second agitating member 22 and the fluid, the greater the agitation or pulverization ability of the first agitating member 13 and the second agitating member 22, and the lower the fluid following rotation, When the first agitating member 13 and the second agitating member 22 are at the same rotational speed, the relative rotational speeds of the first agitating member 13 and the second agitating member 22 and the fluid are increased, that is, the agitation or pulverizing ability is improved, and the agitating device can be lifted. 10 agitation or pulverization efficiency and effect. In addition, the counter-rotating mode of the first agitating member 13 and the second agitating member 22 can fully utilize the pressing and grinding action formed by the reverse rotation of the two agitating members to pulverize the food.

When the food that is difficult to be pulverized is to be pulverized, the third bevel gear 43 is first operated in the revolving mode. At this time, the second drive shaft 2 is not rotated, and the first drive shaft 1 drives the first agitating member 13 to rotate, and the food is initially pulverized. Then, after adjusting to the third bevel gear 43 rotation mode, the first agitating member 13 and the second agitating member 22 simultaneously stir the food in the agitating container, so that the setting can realize different pulverizing modes according to different ingredients. For the purpose, the food can be pulverized better, so that the stirring or pulverizing effect can be further enhanced, and at the same time, the function of the driving member 3 can be protected.

In addition, by adjusting the mixer 10 to operate in different rotation modes, the first agitating member 13 and the second agitating member 22 have different steering and rotational speeds, and the agitator 10 can achieve better agitation or pulverization at a lower rotational speed. As a result, the arrangement can reduce the vibration of the mixer 10 during operation, and the operating noise of the agitator 10 can be reduced, thereby prolonging the service life of the agitator 10.

Thus, by the cooperation of the first drive shaft 1, the second drive shaft 2, the drive member 3 and the transmission 4, the first drive shaft 1 and the second drive shaft 2 can be operated in different rotation modes, and the mixer 10 can be lifted. The stirring or pulverizing efficiency and effect, and also the operating noise of the agitator 10 can also be reduced.

Specifically, as shown in FIG. 1 and FIG. 4, the first drive shaft 1 may include a first sub-shaft 11 and a second sub-shaft 12, and the first sub-shaft 11 is fixedly connected with the first bevel gear 41, and the second sub-shaft 12 is disposed above the first sub-shaft 11, the first sub-shaft 11 is spline-fitted with the second sub-shaft 12, the spline can be an internal spline 6, and the internal spline 6 can be the first sub-shaft 11 and the second sub- The shafts 12 are securely assembled together such that the first sub-shaft 11 causes the second sub-shaft 12 to rotate together.

Optionally, the second drive shaft 2 is spline-fitted with the second bevel gear 42, the spline may be an external spline 7, and the outer spline 7 is disposed on the outer side of the lower end of the second drive shaft 2, when the mixer 10 is assembled The external spline 7 is engaged with the spline of the end of the second drive shaft 2, so that the torque can be transmitted, and the second bevel gear 42 can drive the second drive shaft 2 to rotate, so that the second drive shaft 2 can be driven. The purpose of the rotation is to drive the second agitating member 22 to rotate.

Optionally, as shown in FIG. 1 and FIG. 4, the agitator 10 may further include: a first limiting member 5, the first limiting member 5 selectively limiting the retaining frame 44 when the first limiting member 5 is opposite When the retainer 44 is restrained, it can be ensured that the retainer 44 is fixed or cannot be rotated, and the third bevel gear 43 can be rotated. At this time, the first limiting member 5 is located at the A position in FIG. 1. It should be noted that when the mixer 10 is in operation, the driving member 3 drives the first bevel gear 41, the first driving shaft 1 and the inner spline 6 to one. In the direction of rotation, the third bevel gear 43 rotates about its own central axis due to the meshing action, and drives the second bevel gear 42 and the connected external spline 7 to rotate in the opposite direction, respectively, through the internal spline 6 and the external spline 7 respectively. A spline connection of the ends of the drive shaft 1 and the second drive shaft 2 transmits the reverse movement and the torque to the first agitating member 13 and the second agitating member 22 at the same time, thereby enabling the driving of the first agitating member 13 and the second The purpose of the stirring member 22 working at the same time.

Further, as shown in FIG. 2, the first limiting member 5 can be a pivoting member, and the first limiting member 5 only retains the degree of freedom of rotation around its hole, and the rest are fixed by degrees, and can be pushed or pulled by actual implementation. The rotating electromagnet controls its position angle. The first limiting member 5 also selectively limits the second driving shaft 2. When the first limiting member 5 limits the second driving shaft 2, the third bevel gear 43 can be revolved. At this time, the first stopper 5 is located at the B position in FIG. 2, and the outer spline 7 and the second bevel gear 42 connected thereto are fixed or cannot be rotated. It should be noted that when the mixer 10 is in operation, the driving member 3 drives the first bevel gear 41, the first driving shaft 1 and the internal spline 6 to rotate in one direction. Due to the meshing action, the third bevel gear 43 must rotate, considering The second bevel gear 42 has been fixed, so that the third bevel gear 43 revolves at the same time as the holder 44 revolves around the common axis of the first bevel gear 41 and the second bevel gear 42. At this time, only the internal spline 6 outputs the rotational motion and the torque to the outside, and the rotation and the torque are transmitted to the first agitating member 13 through the internal spline 6 connection, so that the working mode in which the first agitating member 13 operates alone can be realized.

Wherein, by controlling the angular position of the first limiting member 5, a single-axis rotary output can be realized, thereby integrating the counter-rotating function and the single-axis rotating function. In the course of use, the selection can be made according to the actual situation, so that the advantages of the single-axis single agitating member rotating and the double-shaft double agitating member rotating can be exerted.

Specifically, the first limiting member 5 further selectively positions the holder 44 and the second driving shaft 2 in an unrestricted manner. At this time, the first limiting member 5 is located at the C position in FIG. 3, and the first limiting member is 5 is in the inclined position, the first limiting member 5 is not engaged or contacted with the external spline 7 and the retainer 44, and the second bevel gear 42 is in a freely rotatable state. It should be noted that in this mode, the first agitating member 13 is actively rotated, and the second agitating member 22 is free to rotate. When the mixer 10 is in operation, the active rotation of the first agitating member 13 is the same as the process of independently rotating the first agitating member 13, and when the food is stirred or pulverized by the first agitating member 13, the agitating with the first agitating member 13 is agitated. Stirring the food or fluid in the container, the second agitating member 22 is rotated by the food or fluid rotating in the agitating container, so that the first agitating member 13 and the second agitating member 22 can be stirred at different speeds in the same direction or Crushing effect.

By changing the position of the first limiting member 5, the present application can realize the rotation of the first agitating member 13, and the second agitating member 22 is free or follows the rotating mode, and can be better performed during the heating of the food at the bottom of the agitating container. Stir the food or fluid to evenly heat the food or fluid, which can reduce the occurrence of the bottom.

In addition, according to the actual rotational speed condition, the component life requirement, and the rotational dynamic balance, the bearings on the third bevel gear 43 and the third bevel gear 43 may be arranged in plurality, and the arrangement is the same as the current one, that is, the gears are simultaneously and the second The bevel gear 42 meshes with the first bevel gear 41, and the cloth bearing is fitted into the holder 44.

Optionally, as shown in FIG. 4, the holder 44 may include a first plate 441 and a second plate 442. The first plate 441 is rotatably disposed on the second drive shaft 2, and the second plate 442 and the first plate 441. Connected, the third bevel gear 43 is rotatably disposed on the second plate 442. Such a setting can achieve the purpose of the rotation and revolution of the third bevel gear 43, and the operational reliability of the agitator 10 can be ensured.

Further, the upper surface of the first plate 441 and the outer surface of the second drive shaft 2 are respectively provided with a limiting groove 21 that cooperates with the first limiting member 5. It should be noted that a plurality of baffles 71 may be disposed in the circumferential direction of the outer spline 7 of the lower end of the second drive shaft 2, the plurality of baffles 71 are disposed along the up and down direction, and the plurality of baffles 71 are evenly distributed on the outer flower On the outer peripheral wall of the key 7, between the two adjacent bars 71 is a limiting slot 21, wherein the first limiting member 5 can be assembled on the limiting slot 21 of the first plate 441 and the second driving shaft 2 In the limiting groove 21, such a setting enables the first limiting member 5 to limit the second driving shaft 2 and the retainer 44.

Specifically, the limiting slot 21 may be a plurality of, and the plurality of limiting slots 21 are respectively distributed in the circumferential direction of the first board 441 and the second driving shaft 2, so as to enable the first limiting position on the first board 441. The different positions of the upper surface limit the cage 44, and the first limit can also limit the second drive shaft 2 at different positions of the second drive shaft 2.

Optionally, the agitator 10 may further include: a second limiting member (not shown), the second limiting member selectively limiting the second driving shaft 2, such that the third bevel gear 43 can be revolved It should be explained that, at this time, the second limiting member only limits the second driving shaft 2, and the first limiting member 5 can only limit the retaining bracket 44.

Further, the first drive shaft 1 is vertically disposed, that is, the first drive shaft 1 is disposed along the up and down direction, such that the arrangement of the first drive shaft 1 can be made more reasonable, and the first agitating member 13 can be made better. The food is stirred or pulverized so that the workability of the first agitating member 13 can be improved.

In the description of the present specification, reference is made to the terms "one embodiment", "some embodiments", The description of the "examples", "specific examples", or "some examples" and the like are intended to include the particular features, structures, materials or features described in connection with the embodiments or examples in the at least one embodiment or example. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A blender, comprising:

First drive shaft;

a second drive shaft, the second drive shaft is sleeved on the first drive shaft;

a driving member, the driving member is connected to the first driving shaft;

a transmission device comprising: a first bevel gear, a second bevel gear, a third bevel gear and a cage, the first bevel gear is coupled to the first drive shaft, and the second bevel gear is coupled to The second drive shaft, the first bevel gear and the second bevel gear are disposed opposite to each other in the axial direction, and the third bevel gear is meshed between the first bevel gear and the second bevel gear, The third bevel gear is rotatably disposed on the retainer, the retainer is rotatably disposed on the second drive shaft, and the third bevel gear selectively rotates and revolves.
The blender of claim 1 further comprising: a first stop member, said first limit member selectively biasing said retainer to cause said third bevel gear to rotate.
The mixer according to claim 2, wherein said first limiting member is a pivoting member, said first limiting member further selectively limiting said second driving shaft to cause said The third bevel gear revolves.
The blender of claim 3 wherein said first stop member further selectively positions said retainer and said second drive shaft.
The mixer according to claim 3, wherein said holder comprises: a first plate and a second plate, said first plate being rotatably disposed on said second drive shaft, said second plate being The first plate is connected, and the third bevel gear is rotatably disposed on the second plate.
The mixer according to claim 5, wherein the upper surface of the first plate and the outer surface of the second drive shaft are each provided with a limiting groove that cooperates with the first limiting member.
The mixer according to claim 6, wherein the limiting grooves are plural and distributed in the circumferential direction of the first plate and the second driving shaft, respectively.
The mixer according to claim 2, further comprising: a second limiting member, the second limiting member selectively limiting the second driving shaft to cause the third bevel gear Revolution.
A blender according to any one of claims 1-8, wherein the first drive shaft is disposed vertically.
The mixer according to any one of claims 1 to 9, wherein the first drive shaft comprises: a first sub-shaft and a second sub-shaft, the first sub-shaft and the first bevel gear The first sub-axis is spline-fitted with the second sub-axis.
A blender according to any one of claims 1 to 10, wherein the second drive shaft is splined with the second bevel gear.