WO2014183251A1

WO2014183251A1 - Stirrer

Info

Publication number: WO2014183251A1
Application number: PCT/CN2013/075541
Authority: WO
Inventors: 杨绍良; 黄光喜
Original assignee: Yang Shaoliang; Huang Guangxi
Priority date: 2013-05-13
Filing date: 2013-05-13
Publication date: 2014-11-20

Abstract

Disclosed is a stirrer, comprising a cup body, a base, a stirring head (7) and a motor, wherein the base is fixed beneath the cup body; the motor comprises a stator (6) and a rotor (5); the cup body comprises an upper cup body (1) with an open top and a bottom and a lower cup body (2) with an open top and a bottom, wherein the bottom of the upper cup body (1) is provided with a first penetrating opening (17) which penetrates from top to bottom, the top of the lower cup body (2) is fixed at the first penetrating opening (17), and the lower cup body (2) is in communication with the upper cup body (1) through the first penetrating opening (17); the stator (6) is fixed outside the lower cup body (2), and the rotor (5) is rotationally arranged inside the lower cup body (2); and the stirring head (7) is located inside the upper cup body (1) and is fixed to the rotor (5). When in operation, the stator (6) is powered on to drive the rotor (5) to drive the stirring head (7) into rotation. The stator (6) and the rotor (5) of the motor are completely insulated by the lower cup body (2). After a stirring function is completed, the entire stirrer or the cup body thereof can be put into water or in a dishwasher for cleaning, without risking from a change in performance and electric leakage of the entire stirrer.

Description

Blender

Technical field

The present invention relates to an agitator.

Background technique

The existing mixers (including milk blenders and milk foamers) are mainly available in two configurations. One type of structure is that the body and the cup are welded or bonded together and are generally referred to as an integral agitator. The mixing head of the integrated agitator is fixed at one end of the shaft, the shaft passes through the cup body, the shaft is fixed on the cup body by the bearing, and the other end of the shaft is connected to the driving motor shaft through the clutch, and the motor stator is energized to rotate the rotor shaft together To achieve agitation. The disadvantage of this structure is that the shaft and the bearing cannot guarantee complete sealing at high speed, and leakage is easy to occur, and at the same time, the gap between the shaft and the bearing cannot be put into the dishwasher for cleaning.

Another structure is that the body and the cup are completely separated, generally referred to as a separate agitator. The clutch principle is used to install a clutch magnet at the end of the motor shaft, and a clutch magnet, a motor shaft and a motor shaft are also mounted at one end of the fixed shaft of the stirring head. The fixed shaft of the mixing head is completely isolated by the cup body, and the stirring head is driven by the magnetic clutch to achieve stirring. The cup body can be cleaned separately. Due to the use of magnetic clutch, the mixing head cannot be synchronized with the driving motor. In some cases, the stirring head will Stall, affecting the quality of the agitation.

Summary of the invention

It is an object of the present invention to provide an agitator capable of direct water washing in view of the deficiencies of the prior art.

In order to achieve the above object, the present invention adopts the following technical solution: an agitator comprising a cup body, a base, a stirring head and a motor, the base being fixed under the cup body, the motor comprising a stator and a rotor, The cup body includes a bottomed upper cup having a top opening and a bottomed cup having an open top, the cup bottom of the upper cup having a first through opening penetrating up and down, the top of the lower cup being fixed to the a first through hole, the lower cup communicates with the upper cup through the first through hole, the stator is fixed outside the lower cup, and the rotor is rotatably disposed inside the lower cup The stirring head is located inside the upper cup and fixed to the rotor. When working, the stator is energized to drive the rotor to drive the stirring head to rotate.

The lower cup separates the stator and rotor of the motor. The motor can be a synchronous motor such as an AC motor or a DC motor. The speed of the motor can be adjusted. When working, the motor is controlled to run at high speed for a period of time, and then run at a low speed for a period of time.

The fixing method of the upper cup and the lower cup includes a detachable connection and an integral connection. The detachable connection includes a fastener connection, a snap fit connection, or a tight fit connection. The integral connection means that the upper cup and the lower cup cannot be removed, such as welding, bonding or integral molding.

The upper and lower cups can be made of the same or different materials.

The mixing head can be replaced.

The motor further includes a motor shaft, the rotor has a central hole penetrating up and down, a motor shaft seat is fixed to the inside of the lower cup body, and a lower portion of the motor shaft is fixed to the motor shaft seat, the motor shaft The upper portion penetrates upwardly into the center hole of the rotor, and the motor shaft leaves a gap with the center hole.

The motor shaft is placed upright. The motor shaft can be injection molded, welded or bonded to the motor shaft.

The axis of the upper cup, the axis of the first through opening, the axis of the lower cup, and the axis of rotation of the rotor may coincide.

The outer portion of the rotor is provided with a protective layer for preventing direct contact of the rotor with the agitated liquid. The protective layer may be a non-magnetic metal layer such as a plastic layer, a rubber layer or a stainless steel layer to protect the rotor so that the magnetic material of the rotor and the stirred liquid are not in direct contact.

The cup body and the base are detachably connected, and the stator is fixed to the base.

The cup body and the base are integrally connected, and the stator is fixed to the base.

The base includes a peripheral wall, a top wall enclosing the top of the peripheral wall, and a bottom cover closing the bottom of the peripheral wall, the top wall having a second through opening penetrating up and down, the lower cup passing downward through the second The through opening extends into the interior of the base, the stator is fixed to the top wall, and the bottom cover is provided with a sealing ring. The stator can be adjacent to the second through opening.

The cup further includes a transparent cover with a sealing ring that closes the top opening of the upper cup. When working, the transparent cover seals the top opening of the cup body, which can effectively prevent the stirred liquid from overflowing.

The agitator further includes a heating body for heating the agitated liquid, a temperature sensor for detecting the temperature of the agitated liquid, and a control circuit board fixed inside the base, the heating body and the temperature sensor are both Control the circuit board signal connection.

The heating body may directly contact the liquid to be stirred, or may heat the liquid in the upper and lower cups by heat transfer. The temperature sensor can directly contact the liquid being stirred, or can indirectly detect the temperature of the liquid being stirred by contacting the upper and lower cups.

The temperature sensor can be controlled by a temperature-controlled switch or a program that cures in the control board.

The peripheral wall is provided with a power cord male socket with a silicone plug. The power cord male socket is plugged into the power cord. After use, separate the power cord and power cord male socket, and seal the power cord male socket with a silicone plug.

An agitator cup assembly comprising a cup body, a mixing head and a rotor, the cup body comprising a bottomed upper cup having a top opening and a bottomed cup having an open top, the cup bottom of the upper cup having a first through hole penetrating up and down, a top of the lower cup is fixed to the first through hole, and the lower cup communicates with the upper cup through the first through hole, and the rotor is rotated and disposed at the first through hole The inside of the cup is described, and the stirring head is located inside the upper cup and fixed to the rotor.

A base assembly for use with a cup assembly includes a base and a stator, the stator being fixed to the base, the base having a second through opening penetrating up and down, the second through hole being used for the cup The lower cup of the body assembly passes through.

The base includes a peripheral wall, a top wall enclosing the top of the peripheral wall, and a bottom cover closing the bottom of the peripheral wall, the second through hole penetrating up and down the top wall, the stator being fixed to the top wall, the bottom The cover has a sealing ring. The stator may be located entirely inside the base or outside the base.

The base assembly further includes a heating body for heating the stirred liquid, a temperature sensor for detecting the temperature of the stirred liquid, and a control circuit board, and the heating body and the temperature sensor are both fixed to the top wall. The control circuit board is fixed inside the base, and the heating body and the temperature sensor are both connected to the control circuit board.

The invention has the beneficial effects that the stator and the rotor of the motor are completely isolated by the lower cup body, and after the stirring function is completed, the whole mixer (integral agitator) or the cup body (separate agitator) can be put into the water or Washing in the dishwasher without causing the performance change and leakage of the whole machine; directly driving the rotor together with the stirring head through the stator can effectively prevent the stalling head from stalling and thus ensure the mixing quality.

DRAWINGS

Figure 1 is a cross-sectional view showing the agitator cup assembly of the present invention;

Figure 2 is a front elevational view of the integrated agitator to which the agitator cup assembly of the present invention is applied;

Figure 3 is a top plan view of an integrated agitator to which the agitator cup assembly of the present invention is applied;

Figure 4 is a left side view (power line separation) of the integrated agitator to which the agitator cup assembly of the present invention is applied;

Figure 5 is a cross-sectional view taken along line A-A of Figure 2;

Figure 6 is a front elevational view showing a second embodiment of the agitator;

Figure 7 is a cross-sectional view of Figure 6 taken along the line A-A;

Figure 8 is a cross-sectional view of the cup assembly of the second embodiment of the agitator;

Figure 9 is a schematic cross-sectional view of the base assembly of the second embodiment of the agitator.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings.

As shown in Figure 1, it is an embodiment of a blender cup assembly. The agitator cup assembly includes a cup body, a stirring head 7 and a motor. The cup body includes a bottomed upper cup 1 with an open top and a bottomed cup 2 with an open top. The cup bottom of the upper cup 1 is provided with a first through hole 17 penetrating vertically, and the top of the lower cup 2 is fixed to the first through hole 17. The upper cup 1 and the lower cup 2 may be welded or fixedly bonded or integrally formed. The motor includes a motor shaft 3, a stator 6, and a rotor 5. The motor shaft 3 is fixed to the motor shaft base 4, the motor shaft base 4 is fixed inside the lower cup body 2, the rotor 5 is placed inside the lower cup body 2, the motor shaft 3 is passed upward through the center hole of the rotor 5, and the stirring head 7 and the rotor 5 are fixed. The motor rotor 5, the motor shaft 3, the motor shaft base 4, and the agitating head 7 are all in contact with the agitated liquid. The motor stator 6 is fixed to the outside of the lower cup 2, and the stator 6 and the rotor 5 are completely isolated by the lower cup 2. During operation, the motor stator 6 is energized, and the motor rotor 5 is driven to drive the stirring head 7 to stir or foam.

As shown in Figures 1 to 5, the cup assembly is applied to an integrated agitator. The agitator includes a cup body 100, a stirring head 7, a motor, and a base 200. The cup 100 includes a bottomed upper cup 1 having an open top and a bottomed cup 2 having an open top, and the lower cup 2 is fixed below the upper cup 1. The motor includes a motor shaft 3, a stator 6, and a rotor 5. The lower part of the motor shaft 3 is fixed on the motor shaft base 4, the motor shaft base 4 is fixed inside the lower cup body 2, the motor rotor 5 is rotated and placed inside the lower cup body 2, the motor shaft 3 passes through the center hole of the motor rotor 5, the stirring head 7 and The motor rotor 5 is fixed, and the motor rotor 5, the motor shaft 3, the motor shaft base 4, and the agitating head 7 are all in contact with the liquid to be stirred. The top of the upper cup 1 can be placed with an openable transparent cover 8, which is provided with a sealing ring. The motor stator 6 is fixed to the outside of the lower cup 2, so that the lower cup 2 completely isolates the stator 6 and the rotor 5.

The cup body 100 further includes a cup case 11 which is integrally joined to the upper cup body 1 by welding, the cup case 11 covering the upper cup body 1 and the lower cup body 2.

The base 200 is fixed below the cup 100 and integrally connected to the cup 100. The base 200 includes a peripheral wall, a top wall that closes the top of the peripheral wall, and a bottom cover 14 that closes the bottom of the peripheral wall. The bottom cover 14 is provided with a sealing ring.

The inside of the agitator is also equipped with the following components: a heating element 9 fixed to the outside of the upper cup bottom, a temperature sensor 10 fixed to the bottom of the upper cup, a power switch 12, a control circuit board 13, and a power supply with a silicone plug. Line male socket 15. When working, uncover the sealed silicone plug of the power cord male socket 15 and connect the power cord 16 with the female plug at the end. The motor stator 6 is energized by the power switch 12, and the motor rotor 5 is driven to drive the stirring head 7 to stir or foam. At the same time, the heating element 9 generates heat to heat the agitated liquid in the upper cup 1, and the temperature sensor 10 detects the temperature of the agitated liquid. The agitation speed and the temperature of the agitated liquid can be controlled by the control circuit board 13 in the agitator. The program of the control circuit board 13 is used to control the rotation speed of the motor, and the overall design can make the stirring effect and the milk foam more uniform, and at the same time, the temperature can be controlled moderately. After the use is completed, unplug the power cord 16 and cover the sealed silicone plug of the power cord male socket 15 to be washed in the dishwasher, which is very convenient to use.

As shown in Figures 6 to 9, it is a separate agitator. The agitator includes a separate body assembly and a base assembly.

The cup assembly includes a cup 100, a stirring head 7, and a motor. The cup 100 includes an upper cup 1 that is open at the top and a lower cup 2 that is open at the top. The lower cup 2 is fixed below the upper cup 1. The motor shaft 3 is fixed on the motor shaft seat 4, the motor shaft base 4 is fixed inside the lower cup body 2, the motor rotor 5 is rotated and placed inside the lower cup body 2, the motor shaft 3 passes through the center hole of the motor rotor 5, the stirring head 7 and The motor rotor 5 is fixed, and the motor rotor 5, the motor shaft 3, the motor shaft base 4, and the agitating head 7 are all in contact with the liquid to be stirred.

An openable transparent cover 8 is placed on the top of the upper cup 1 with a sealing ring. In operation, the transparent cover 8 seals the top opening of the cup 1 .

The base assembly includes a base 200 and a stator 6. The base includes a peripheral wall 20, a top wall 21 that closes the top of the peripheral wall, and a bottom cover 14 that closes the bottom of the peripheral wall. The base assembly further includes a heating element 9 for heating the agitated liquid, a temperature sensor 10 for detecting the temperature of the agitated liquid, a power switch 12, a control circuit board 13, and a power supply line 16. The heating body 9 and the temperature sensor 10 can be fixed to the top wall 21 of the base. The control circuit board 13 can be fixed inside the base 200. The top wall 21 may further have a second through hole 22 penetrating up and down, and the lower cup 2 of the cup body extends through the second through hole 22 and protrudes into the interior of the base 200.

During operation, the agitator cup 100 is placed in the agitator base 200, the power cord 16 is plugged in, the motor stator 6 is energized according to the power switch 12, and the motor rotor 5 is driven to drive the stirring head 7 to stir or foam. At the same time, the heat of the heating element 9 is heated by heat transfer to the agitated liquid in the upper cup 1, and the temperature sensor 10 senses the temperature of the stirred liquid. The stirring speed and the temperature of the liquid can be controlled by the control circuit board 13. The program is used to control the rotation speed of the motor. Since the motor stator 5 is directly driven by the motor stator 6, the stall defect of the magnetic clutch is avoided, and the temperature can be controlled moderately, the stirring can be more uniform, and the generated milk foam is more delicate.

After the use is completed, the cup assembly can be washed in the dishwasher, and the motor rotor 5 and the stirring head 7 can also be separately removed and put into the dishwasher for cleaning, which is very convenient to use.

For the agitator, a synchronous motor is used as the power, the stator of the motor is fixed to the outside of the lower cup, and the rotor and the motor shaft of the motor are placed inside the lower cup. The rotor is made of permanent magnet material and is not charged. The rotor of the motor is completely isolated from the motor stator by the lower cup body (the lower cup of the motor rotor and the motor stator can be used with the same or different materials as the upper cup), and the rotor of the motor is connected and stirred. head, When the stator of the motor is energized, the rotor of the driving motor drives the stirring head to rotate to achieve stirring. The blender that welds (or bonds) the cup body and the base can completely separate the liquid and electrical parts, and at the bottom of the bottom cover is sealed with a bottom cover with a sealing ring to ensure that the stirrer can be placed in the whole dish. The machine is cleaned, and the rotor of the motor can be directly taken out for cleaning.

For the agitator with the cup body and the base separated, the magnetic force generated by the energization of the motor stator directly drives the rotor of the motor to replace the magnetic clutch (or magnetic bearing), which eliminates the possibility of stalling the stirring head. The invention completely separates the liquid and electrical parts, ensuring that the upper cup, the lower cup, the rotor and the mixing head can be placed in the dishwasher for cleaning.

The above is a further detailed description of the present invention in connection with the specific embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention.

Claims

An agitator comprising a cup body, a base, a stirring head and a motor, the base being fixed under the cup body, the motor comprising a stator and a rotor, wherein the cup body comprises a bottomed open bottom a bottom cup having a top cup and a top open, a cup bottom of the upper cup having a first through opening penetrating up and down, a top of the lower cup being fixed to the first through hole, the lower cup The body communicates with the upper cup through the first through hole, the stator is fixed outside the lower cup, the rotor is rotatably disposed inside the lower cup, and the stirring head is located on the upper The inside of the cup is fixed to the rotor. When working, the stator is energized to drive the rotor to drive the stirring head to rotate.
The agitator according to claim 1, wherein said motor further comprises a motor shaft, said rotor has a central hole penetrating up and down, and a motor shaft seat is fixed to the inside of said lower cup body, said motor shaft The lower portion is fixed to the motor shaft seat, and an upper portion of the motor shaft penetrates upward into a center hole of the rotor, and a gap is left between the motor shaft and the center hole.
The agitator of claim 1 wherein the outer portion of the rotor is provided with a protective layer for preventing direct contact of the rotor with the agitated liquid.
The agitator of claim 1 wherein said cup is detachably coupled to said base and said stator is secured to said base.
The agitator of claim 1 wherein said cup body and base are integrally connected and said stator is secured to said base.
The agitator according to claim 4 or 5, wherein the base comprises a peripheral wall, a top wall enclosing the top of the peripheral wall, and a bottom cover closing the bottom of the peripheral wall, the top wall having a second through The through cup passes downward through the second through opening and into the interior of the base, the stator is fixed to the top wall, and the bottom cover is provided with a sealing ring.
The blender of claim 1 wherein said cup further comprises a transparent cover with a sealing ring that closes the top opening of said upper cup.
The agitator according to claim 1, wherein said agitator further comprises a heating body for heating the liquid, a temperature sensor for detecting the temperature of the liquid, and a control circuit board fixed to the inside of the base. The heating body and the temperature sensor are both signally connected to the control circuit board.
The agitator according to claim 8, wherein said peripheral wall is provided with a power cord male socket with a silicone plug.
An agitator cup assembly comprising a cup body, a mixing head and a rotor, wherein the cup body comprises a bottomed upper cup having a top opening and a bottomed cup having an open top, the upper cup The bottom of the cup has a first through opening penetrating up and down, a top of the lower cup is fixed to the first through hole, and the lower cup communicates with the upper cup through the first through hole, the rotor A rotation is provided inside the lower cup, and the stirring head is located inside the upper cup and fixed to the rotor.
The agitator cup assembly according to claim 10, wherein the motor further comprises a motor shaft, the rotor has a central hole penetrating up and down, and a motor shaft seat is fixed to the inside of the lower cup body. The lower portion of the motor shaft is fixed to the motor shaft seat, and an upper portion of the motor shaft penetrates upward into a center hole of the rotor, and a gap is left between the motor shaft and the center hole.
A base assembly for use with the cup assembly of claim 10 or 11, comprising: a base and a stator, the stator being fixed to the base, the base having a second through opening penetrating up and down, The second through opening is for the lower cup of the cup assembly to pass through.
The base assembly according to claim 12, wherein the base comprises a peripheral wall, a top wall enclosing the top of the peripheral wall, and a bottom cover closing the bottom of the peripheral wall, the second through hole penetrating the top wall up and down The stator is fixed to the top wall, and the bottom cover is provided with a sealing ring.
A base assembly according to claim 13, wherein said base assembly further comprises a heating body for heating the agitated liquid, a temperature sensor for detecting the temperature of the agitated liquid, and a control circuit board, said heating The body and the temperature sensor are both fixed to the top wall, the control circuit board is fixed inside the base, and the heating body and the temperature sensor are both signally connected to the control circuit board.