WO2015027591A1

WO2015027591A1 - Food processor

Info

Publication number: WO2015027591A1
Application number: PCT/CN2013/088069
Authority: WO
Inventors: 李小金; 陈炜杰
Original assignee: 美的集团股份有限公司; 广东美的生活电器制造有限公司
Priority date: 2013-08-30
Filing date: 2013-11-28
Publication date: 2015-03-05

Abstract

A food processor (10) comprise: a container (101) provided with a first holding cavity (1011); a power source (102); a soft shaft (103), one end of which is connected with the power source (102) so as to drive the soft shaft (103) to rotate; a rotating shaft (104) connected with the other end of the soft shaft (103); and a crushing piece (105) provided in the first holding cavity (1011) and connected with the rotating shaft (104).

Description

Food processor

Technical field

The invention relates to a food processor. Background technique

Using the existing food processor to smash the food, the motor and the pulverizing cutter are operated synchronously. At the moment of starting, the motor drives the pulverizing cutter from stationary to high-speed rotation, and the food or mixed liquid is easy to splash, which will bring great to the user. Trouble with use. Generally, those skilled in the art use circuit control methods to control the motor current to cause the motor to start at a low speed and then gradually accelerate to the rated speed. In this way, when the food processor smashes the food, it does not cause the food or the mixed liquid to splash. Summary of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, it is an object of the present invention to provide a food processor.

In order to achieve the above object, a food processor is provided according to an embodiment of the present invention, the food processor comprising: a container having a first receiving chamber therein; a power source; a flexible shaft, one end of the flexible shaft The power source is coupled for rotation by the power source; a rotating shaft, the rotating shaft is coupled to the other end of the flexible shaft; and a pulverizing member, the pulverizing member is disposed in the first receiving cavity and Connected to the rotating shaft.

The inventor accidentally discovered that the power of transmitting the rotary power source to the pulverizing member through the flexible shaft during the research process can greatly reduce the starting moment speed of the pulverizing member, and gradually increase the rotational speed of the pulverizing member, thereby avoiding food and mixing. Liquid splash. Thus, the use of a flexible shaft to drive the pulverized part eliminates the need for additional circuit control to control the low speed start of the pulverizing member. Further, the inventors have unexpectedly found that when the food catches the pulverizing member, the load is drastically increased, and the soft shaft can absorb the sudden increase in the resistance, thereby protecting the rotary power source and the pulverizing member.

Since both ends of the flexible shaft have a certain elasticity in the rotating direction, at the moment of starting, there is resistance at the load end of the flexible shaft, the soft shaft is deformed in the rotating direction, and there is a difference in rotational speed between the two ends of the flexible shaft. . As time passes, the elastic restoring force and the resistance generated by the soft shaft deformation are balanced, and the speeds of the two ends of the flexible shaft are synchronized. The food processor according to the embodiment of the present invention can prevent the activation instantaneous speed of the pulverizing member from being excessively high, resulting in splashing of food and liquid by providing the flexible shaft connected to the power source and the rotating shaft.

The power source and power output or load end of the existing food processor are driven by belt or gear. These two transmission modes require high precision in the assembly position of the power source and the power output end or the load end. And, food processing When the machine pulverizes the food, the load changes, resulting in a change in the positional accuracy between the power source and the power output or load end. The food processor according to the embodiment of the present invention can not only greatly reduce the assembly position accuracy requirement of the power source and the power output end or the load end by using the flexible shaft, but also under varying load and high speed operation conditions. It still maintains good transmission and is not prone to failure and wear.

In addition, the food processor according to the embodiment of the present invention can realize long-distance transmission by using the flexible shaft to drive, and the structure of the flexible shaft is simple, and the space for accommodating the flexible shaft is very small, and thus The volume of the food processor is reduced, and the material usage and manufacturing cost of the food processor are reduced. When the food catches the pulverizing member, the load sharply becomes large, and at this time, the flexible shaft can absorb the sudden increase in the resistance, so that the power source and the pulverizing member can be protected.

Therefore, the food processor according to the embodiment of the present invention has the advantages of good pulverization effect, low instantaneous starting speed of the pulverizing member, prevention of splashing of food and liquid, low manufacturing difficulty, stable transmission, small volume, and low manufacturing cost.

In addition, the food processor according to an embodiment of the present invention may further have the following additional technical features: According to an embodiment of the present invention, the food processor further includes a bearing, the bearing is disposed on the container, the bearing The set is on the rotating shaft. Thereby, the rotating shaft can be supported by the bearing, so that the structure of the food processor can be made more stable.

According to an embodiment of the present invention, the food processor further includes a partition, the partition is disposed in the first receiving cavity and partitions the first receiving cavity into an upper receiving cavity and a lower receiving cavity, wherein The pulverizing member is disposed in the upper receiving cavity, and the bearing is disposed in the lower receiving cavity. By providing the partition, the bearing can be separated from the food in the upper receiving chamber, so that the bearing can be prevented from contaminating the food in the upper receiving chamber.

According to an embodiment of the present invention, the food processor further includes a base having a second receiving cavity therein, wherein the container is disposed on the base, and the power source is disposed in the Two accommodation chambers. Thereby, the structure of the food processor can be made simpler and more reasonable, and the power source can be protected by the base.

According to an embodiment of the present invention, the container is detachably disposed on the base, the food processor further includes: a lower connector, the lower connector is disposed on the base; and the upper connection The upper connector is disposed on the container, and the upper connector is detachably disposed on the lower connector, wherein the rotating shaft is connected to the upper connector, the flexible shaft and the The connector is connected to one of the lower connectors.

A food processor according to an embodiment of the present invention connects the power source and the rotating shaft with the flexible shaft, and the flexible shaft can be bent in its axial direction, thereby compensating the container and the base The concentricity error between them is such that the impact of the rotating shaft on the bearing can be reduced, that is, the wear and heat of the bearing and the rotating shaft can be reduced. Therefore, by connecting the power source and the rotating shaft by using the flexible shaft, not only the amplitude of vibration of the food processor during operation can be reduced, the noise generated by the food processor can be reduced, and the noise can be reduced. Wear and heat of the bearing and the rotating shaft to avoid the occurrence of black oil. Furthermore, since the wear of the bearing and the rotating shaft can be reduced by connecting the power source and the rotating shaft by using the flexible shaft, the effective output power of the power source can be improved, and the The pulverizing efficiency and the cutting efficiency of the pulverizing member, and the temperature rise of the power source can be lowered.

According to an embodiment of the invention, the other end of the flexible shaft is connected to the lower connector. Thereby, the structure of the food processor can be made more reasonable.

According to an embodiment of the present invention, the food processor further includes a first connecting shaft, one end of the first connecting shaft is connected to the other end of the flexible shaft, and the other end of the first connecting shaft is The lower connectors are connected. By providing the first connecting shaft connected to the flexible shaft and the lower connector, the flexible shaft can be more conveniently and easily connected to the lower connector.

According to an embodiment of the invention, the power source is coupled to the lower connector, and one end of the flexible shaft is coupled to the upper connector. Thereby, the structure of the food processor can be made more reasonable.

According to an embodiment of the present invention, the food processor further includes a second connecting shaft, one end of the second connecting shaft is connected to the upper connector, and the other end of the second connecting shaft is connected to the flexible shaft One end is connected. By providing a second connecting shaft connected to the flexible shaft and the upper connector, the flexible shaft can be more easily and easily connected to the upper connector.

According to an embodiment of the present invention, the flexible shaft includes a lower sub-flexible shaft and an upper sub-flexible shaft, wherein one end of the lower sub-flexible shaft is connected to the power source and the other end is connected to the lower connector, One end of the sub-flexible shaft is connected to the upper connector and the other end is connected to the rotating shaft. Thereby, the structure of the food processor can be made more reasonable.

According to an embodiment of the invention, the ratio of the diameter to the length of the flexible shaft is 1 : 1. 5-12. Thereby, the instantaneous instantaneous speed of the pulverizing member can be further prevented from being excessively increased, further preventing food and liquid from splashing.

According to an embodiment of the invention, one end of the flexible shaft is riveted to an output shaft of the power source, and the other end of the flexible shaft is riveted to the rotating shaft.

According to an embodiment of the present invention, the food processor further includes a first connecting sleeve, the flexible shaft is riveted to the first connecting sleeve, and the first connecting sleeve is screwed to the rotating shaft And one of the output shafts of the power source. By providing the first connecting bushing, the flexible shaft can be more conveniently and easily connected to one of the rotating shaft and the output shaft of the power source.

According to an embodiment of the present invention, the food processor further includes a second connecting sleeve, one end of the flexible shaft is riveted to the first connecting sleeve and the other end of the flexible shaft is riveted to the first On the two connecting sleeves, the first connecting sleeve is screwed on the output shaft of the power source, and the second connecting sleeve is screwed on the rotating shaft. By providing the first connecting bushing and the second connecting bushing, the flexible shaft can be more easily and easily connected to the rotating shaft and the output shaft of the power source.

According to an embodiment of the present invention, the flexible shaft includes a plurality of steel wires and a plurality of the wires are wound together or The flexible shaft is a flexible material shaft.

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

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic structural view of a food processor according to an embodiment of the present invention;

2 is a partial structural schematic view of a food processor according to an embodiment of the present invention;

Figure 3 is a schematic structural view of a food processor according to another embodiment of the present invention;

4 is a partial structural schematic view of a food processor in accordance with another embodiment of the present invention.

Food processor 10

The container 101, the first receiving chamber 1011, the upper receiving chamber 10111, the lower receiving chamber 10112, the partition plate 10113, the power source 102, the flexible shaft 103, the rotating shaft 104, the crushing member 105, the bearing 106,

The base 107, the second receiving cavity 1071, the lower connector 1081, the upper connector 1082, the first connecting shaft 1091, and the second connecting shaft 1092

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative only, and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "vertical", "transverse", "upper", "lower", "previous", "post", "left", "right", " The orientation or positional relationship of the indications "upright", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and The simplification of the description is not intended to limit or imply that the device or elements referred to have a particular orientation, construction and operation in a particular orientation. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features, either explicitly or implicitly. In the description of the present invention, "multiple" has two or more meanings unless otherwise stated.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" should be understood broadly, and may be either fixed or detachable, unless explicitly stated or defined otherwise. connection, Or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of the two elements. The specific meanings of the above terms in the present invention can be understood in the specific circumstances by those skilled in the art.

A food processor 10 according to an embodiment of the present invention will now be described with reference to Figs. As shown in Figs. 1 to 4, a food processor 10 according to an embodiment of the present invention includes a container 101, a power source 102, a flexible shaft 103, a rotating shaft 104, and a pulverizing member 105.

The container 101 has a first receiving chamber 1011 therein. One end of the flexible shaft 103 is connected to the power source 102 for rotation under the driving of the power source 102, and the rotating shaft 104 is connected to the other end of the flexible shaft 103. The pulverizing member 105 is disposed in the first accommodating chamber 1011, and the pulverizing member 105 is coupled to the rotating shaft 104.

Since both ends of the flexible shaft 103 have a certain elasticity in the rotational direction, at the moment of starting, there is resistance at the load end of the flexible shaft 103, and the flexible shaft 103 is deformed in the rotational direction, and the rotational speed difference is present at both ends of the flexible shaft 103. As time elapses, the elastic restoring force and the resistance generated by the deformation of the flexible shaft 103 are balanced, and the speeds of the both ends of the flexible shaft 103 are synchronized. The food processor 10 according to the embodiment of the present invention can prevent the startup instantaneous speed of the pulverizing member 105 from being excessively high by causing the soft shaft 103 connected to the power source 102 and the rotating shaft 104, resulting in splashing of food and liquid.

The power source and power output or load end of the existing food processor are driven by belt or gear. These two transmission methods require high precision in the assembly position of the power source and the power output end or the load end. Moreover, when the food processor pulverizes the food, the load changes, resulting in a change in positional accuracy between the power source and the power output or load end. The food processor 10 according to the embodiment of the present invention is driven by the flexible shaft 103, thereby not only greatly reducing the assembly position accuracy requirements of the power source and the power output end or the load end, but also under varying load and high speed operation conditions. It still maintains good transmission and is not prone to failure and wear.

Further, the food processor 10 according to the embodiment of the present invention is driven by the flexible shaft 103, so that the long-distance transmission can be realized and the structure of the flexible shaft 103 is simple, and the space for accommodating the flexible shaft 103 is very small, and thus can be reduced. The volume of the food processor 10 reduces the amount of material and manufacturing cost of the food processor 10. When the food catches the pulverizing member 105, the load is sharply increased, and at this time, the flexible shaft 103 can absorb the sudden increase in the resistance, so that the power source 102 and the pulverizing member 105 can be protected.

Therefore, the food processor 10 according to the embodiment of the present invention has the advantages of good pulverization effect, low instantaneous starting speed of the pulverizing member 105, prevention of splashing of food and liquid, low manufacturing difficulty, stable transmission, small volume, and low manufacturing cost.

Specifically, the food processor 10 may be a soymilk machine or a juicer. Power source 102 can be a rotary power source, for example power source 102 can be a motor. Advantageously, at least a portion of the axis of rotation 104 can extend into the first receiving cavity 1011. Thereby, the pulverizing member 105 can be more easily connected to the rotating shaft 104.

The flexible shaft 103 may include a plurality of steel wires, and the plurality of steel wires may be wound together. That is, the flexible shaft 103 can be wound by a plurality of steel wires. In addition, the flexible shaft 103 may be a flexible material shaft, that is, the flexible shaft 103 may be made of a flexible material (for example) Made of polyester or other flexible composites.

Advantageously, the ratio of the diameter of the flexible shaft 103 to the length of the flexible shaft 103 is 1 : 1. 5-12. In other words, the length of the flexible shaft 103 may be 1.5 times to 12 times the diameter of the flexible shaft 103. Thereby, it is possible to further prevent the starting speed of the pulverizing member 105 from being excessively high, further preventing food and liquid from splashing.

In some embodiments of the invention, one end of the flexible shaft 103 can be riveted to the output shaft of the power source 102, and the other end of the flexible shaft 103 can be riveted to the rotating shaft 104. Specifically, the output shaft of the power source 102 is provided with a first receiving hole, and one end of the flexible shaft 103 can be accommodated in the first receiving hole. A second receiving hole may be provided in the rotating shaft 104, and the other end of the flexible shaft 103 may be accommodated in the second receiving hole.

Advantageously, the food processor 10 can further include a first connecting sleeve, the flexible shaft 103 can be riveted to the first connecting sleeve, and the first connecting sleeve can be screwed to the output of the rotating shaft 104 and the power source 102 One of the axes. That is, one of the first connecting bushing and the rotating shaft 104 and the output shaft of the power source 102 can be screwed together. By providing the first connecting bushing, the flexible shaft 103 can be more conveniently and easily connected to one of the rotating shaft 104 and the output shaft of the power source 102.

In a specific example of the present invention, the food processor 10 may further include a second connecting sleeve, one end of the flexible shaft 103 may be riveted to the first connecting sleeve and the other end of the flexible shaft 103 may be riveted to the second The first connecting sleeve can be screwed onto the output shaft of the power source 102, and the second connecting sleeve can be screwed onto the rotating shaft 104. By providing the first connecting bushing and the second connecting bushing, the flexible shaft 103 can be more conveniently and easily connected to the rotating shaft 104 and the output shaft of the power source 102.

As shown in Figures 1-3, in one embodiment of the invention, the food processor 10 can further include a bearing 106, the bearing 106 can be disposed on the container 101, and the bearing 106 can be fitted over the rotating shaft 104. In other words, the rotating shaft 104 can pass through the bearing 106. Thereby, the rotating shaft 104 can be supported by the bearing 106, so that the structure of the food processor 10 can be made more stable.

Specifically, as shown in FIG. 1 and FIG. 3, the food processor 10 may further include a partition 10113. The partition 10113 may be disposed in the first receiving cavity 1011 and the partition 10113 may partition the first receiving cavity 1011 into an upper receiving chamber. The cavity 10111 and the lower receiving cavity 10112. The smashing member 105 may be disposed in the upper accommodating chamber 10111 (the food is also disposed in the upper accommodating chamber 10111), and the bearing 106 may be disposed in the lower accommodating chamber 10112. By providing the partition 10113, the bearing 106 can be separated from the food in the upper receiving chamber 10111, so that the bearing 106 can be prevented from contaminating the food in the upper receiving chamber 10111. The up and down direction is shown by the arrow A in Fig. 1 - Fig. 4.

As shown in Figures 1 and 3, a portion of the rotating shaft 104 can pass through the partition 10113 and into the upper receiving chamber 10111.

As shown in FIGS. 1-3, the food processor 10 may further include a base 107, and the base 107 may have a second receiving cavity 1071 therein. The container 101 may be disposed on the base 107, and the power source 102 may be disposed in the second receiving cavity 1071. Thereby, the structure of the food processor 10 can be made simpler and more reasonable, and the power source 102 can be protected by the base 107. In some examples of the invention, as shown in FIGS. 1-3, the container 101 can be removably disposed on the base 107, and the food processor 10 can further include a lower connector 1081 and an upper connector 1082. The lower connector 1081 can be disposed on the base 107, the upper connector 1082 can be disposed on the container 101, and the upper connector 1082 can be detachably disposed on the lower connector 1081. Wherein, the rotating shaft 104 can be connected to the upper connector 1082, and the flexible shaft 103 can be connected to one of the upper connector 1082 and the lower connector 1081.

The container 101 can be easily and easily cleaned by detachably mounting the container 101 on the base 107. However, due to factors such as processing and assembly, there is a coaxiality error between the container and the base. When working in the food processor, the coaxiality error will cause a large friction between the rotating shaft and the bearing, which will increase the vibration of the food processor and accelerate the wear and heat of the bearing and the rotating shaft. Larger noise, in the case of severe black oil, black oil can seriously affect the hygienic quality of food.

The food processor 10 according to the embodiment of the present invention uses the flexible shaft 103 to connect the power source 102 and the rotating shaft 104. Since the flexible shaft 103 can be bent in its axial direction, the coaxiality between the container 101 and the base 107 can be compensated. The degree of error is such that the impact force of the rotating shaft 104 on the bearing 106 can be reduced, that is, the wear and heat of the bearing 106 and the rotating shaft 104 can be reduced. Therefore, by connecting the power source 102 and the rotating shaft 104 by the flexible shaft 103, not only the amplitude of the vibration of the food processor 10 during operation, but also the noise generated by the food processor 10 can be reduced, and the bearing 106 and the rotating shaft 104 can be reduced. Wear and heat, in order to avoid the occurrence of dark oil.

Further, since the wear of the bearing 106 and the rotating shaft 104 can be reduced by connecting the power source 102 and the rotating shaft 104 by the flexible shaft 103, the effective output of the power source 102 can be improved, and the pulverizing efficiency and cutting of the pulverizing member 105 can be improved. Efficiency, and the temperature rise of the power source 102 can be reduced.

As shown in Figs. 1 and 2, in one example of the present invention, the other end of the flexible shaft 103 may be coupled to the lower connector 1081, and one end of the flexible shaft 103 may be coupled to the power source 102. That is, the other end of the flexible shaft 103 can be connected to the rotary shaft 104 through the lower connector 1081 and the upper connector 1082 in sequence. Thereby, the structure of the food processor 10 can be made more reasonable.

Advantageously, as shown in FIG. 2, the food processor 10 may further include a first connecting shaft 1091, one end of the first connecting shaft 1091 may be connected to the other end of the flexible shaft 103, and the other end of the first connecting shaft 1091 may be lower The connectors 1081 are connected. In other words, the other end of the flexible shaft 103 can be connected to the lower connector 1081 through the first connecting shaft 1091, that is, the other end of the flexible shaft 103 can sequentially pass through the first connecting shaft 1091, the lower connector 1081, and the upper connector 1082 and the rotating shaft. 104 connected. By providing the first connecting shaft 1091 connected to the flexible shaft 103 and the lower connector 1081, the flexible shaft 103 can be more easily and easily connected to the lower connector 1081.

As shown in FIG. 3 and FIG. 4, in another example of the present invention, the power source 102 can be coupled to the lower connector 1081, one end of the flexible shaft 103 can be coupled to the upper connector 1082, and the other end of the flexible shaft 103 can be coupled to The rotating shafts 104 are connected. Change In other words, one end of the flexible shaft 103 can be connected to the power source 102 through the upper connector 1082 and the lower connector 1081 in sequence. Thereby, the structure of the food processor 10 can be made more reasonable.

Advantageously, as shown in FIG. 4, the food processor 10 may further include a second connecting shaft 1092. One end of the second connecting shaft 1092 may be connected to the upper connector 1082, and the other end of the second connecting shaft 1092 may be coupled to the flexible shaft 103. One end is connected. That is, one end of the flexible shaft 103 can be connected to the upper connector 1082 through the second connecting shaft 1092, that is, one end of the flexible shaft 103 can sequentially pass through the second connecting shaft 1092, the upper connector 1082, and the lower connector 1081 and the power source. 102 connected. By providing the second connecting shaft 1092 connected to the flexible shaft 103 and the upper connector 1082, the flexible shaft 103 can be more easily and easily connected to the upper connector 1082.

In still another example of the present invention, the flexible shaft 103 may include a lower sub-flexible shaft and an upper sub-flexible shaft, wherein one end of the lower sub-flexible shaft may be connected to the power source 102, and the other end of the lower sub-flexible shaft may be connected to the lower connector. 1081 is connected. One end of the upper sub-flexible shaft can be connected to the upper connector 1082, and the other end of the upper sub-flexible shaft can be connected to the rotating shaft 104. This makes the structure of the food processor 10 more reasonable.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples", etc. Particular features, structures, materials or features described in the examples or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean 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.

While the embodiments of the present invention have been shown and described, the embodiments of the invention may The scope of the invention is defined by the claims and their equivalents.

Claims

Rights request

1. A food processor, characterized in that it includes:

Container, the container has a first containing cavity;

power source;

A flexible shaft, one end of which is connected to the power source so as to rotate driven by the power source;

A rotating shaft, the rotating shaft is connected to the other end of the flexible shaft; and

A crushing member, the crushing member is disposed in the first receiving cavity and connected to the rotating shaft.

2. The food processor according to claim 1, further comprising a bearing, the bearing is provided on the container, and the bearing is sleeved on the rotating shaft.

3. The food processor according to claim 2, further comprising a partition, the partition being disposed in the first accommodation chamber and dividing the first accommodation chamber into an upper accommodation chamber and a lower accommodation chamber. accommodating cavity, wherein the crushing member is disposed in the upper accommodating cavity, and the bearing is disposed in the lower accommodating cavity.

4. The food processor according to any one of claims 1 to 3, further comprising a base, the base having a second accommodation cavity, wherein the container is provided on the base , the power source is located in the second accommodation cavity.

5. The food processor according to claim 4, wherein the container is detachably mounted on the base, and the food processor further includes:

A lower connector, the lower connector is provided on the base; and

Upper connector, the upper connector is provided on the container, the upper connector is detachably provided on the lower connector, wherein the rotating shaft is connected to the upper connector, the flexible shaft Connected to one of the upper connector and the lower connector.

6. The food processor according to claim 5, wherein the other end of the flexible shaft is connected to the lower connector.

7. The food processor according to claim 6, further comprising a first connecting shaft, one end of the first connecting shaft is connected to the other end of the flexible shaft, and the other end of the first connecting shaft is connected to the other end of the flexible shaft. One end is connected to the lower connector.

8. The food processor according to claim 5, wherein the power source is connected to the lower connector, and one end of the flexible shaft is connected to the upper connector.

9. The food processor according to claim 8, further comprising a second connecting shaft, one end of the second connecting shaft is connected to the upper connector, and the other end of the second connecting shaft is connected to the upper connector. One end of the flexible shaft is connected.

10. The food processor according to claim 5, wherein the flexible shaft includes a lower flexible shaft and an upper flexible shaft, wherein one end of the lower flexible shaft is connected to the power source and the other end is connected to the power source. The lower connector is connected, one end of the upper sub-flexible shaft is connected to the upper connector and the other end is connected to the rotating shaft.

11. The food processor according to claim 1, wherein the ratio of the diameter to the length of the flexible shaft is 1: 1.5-12.

12. The food processor according to claim 1, wherein one end of the flexible shaft is riveted to the output shaft of the power source, and the other end of the flexible shaft is riveted to the rotating shaft.

13. The food processor according to claim 1, further comprising a first connecting sleeve, the flexible shaft is riveted on the first connecting sleeve, and the first connecting sleeve is threaded on on one of the rotating shaft and the output shaft of the power source.

14. The food processor according to claim 13, further comprising a second connecting sleeve, one end of the flexible shaft is riveted on the first connecting sleeve and the other end of the flexible shaft is riveted. On the second connecting sleeve, the first connecting sleeve is threadedly connected to the output shaft of the power source, and the second connecting sleeve is threadedly connected to the rotating shaft.

15. The food processor according to claim 1, wherein the flexible shaft includes a plurality of steel wires and the plurality of steel wires are wound together or the flexible shaft is a flexible material shaft.