CN111918588B - Mixing device - Google Patents

Abstract

A mixing device (100) comprising: (a) a cup body (180) for containing liquid; (b) a rotating stirring member installed in the cup body (180); and (c) a driving motor (110) for for rotating the rotating stirring member. The rotating stirring member and drive motor (110) are provided with first and second magnets (150, 130), respectively, which are operatively connected to the rotating stirring member and driving motor (110) so as to transmit rotational motion from the driving motor (110) to the rotating stirring member. The rotating stirring member comprises an axisymmetric basket (160) having a lower member (161), an upper beam ring (161), and a plurality of rods (162, 165) connecting the lower member (161) and the upper beam ring (161) . A plurality of rods (162, 165) are distributed circumferentially on the axisymmetric basket (160); the plurality of rods (162, 165) are inclined with respect to their surrounding circle so that when said axisymmetric basket (160) rotates in said A vortex forms within the liquid. Also provided is a method of mixing liquid and solid phases in powder form.

Description

mixing equipment

technical field

The present invention relates to devices for mixing a liquid phase with a solid phase in powder form, and more particularly to a device for mixing powdered milk into water.

Background technique

Domestic milk mixing devices usually have one or more stirring elements immersed in the milk and driven mechanically. The overall goal can be to ensure that the milk powder dissolves in the water as quickly and evenly as possible.

WO2014024126 discloses a milk frothing device comprising: (a) a lid assembly; (b) an agitator assembly including an agitator handle, a cantilever, a baffle frame and an agitator; and (c) a cup assembly which Included is a cup surrounding the cup, a drive magnet that opposes the stirrer magnet of the stirrer and a drive motor with a cup bushing that drives the drive magnet. The stirrer handle is attached to the frame by a cantilevered baffle. The stirrer handle is positioned on the cup sleeve. The stirrer includes a stirrer magnet driven by the drive magnet of the cup assembly. The stirrer assembly is automatically positioned by the magnetic effect between the stirrer magnet and the drive magnet. The entire content of WO2014024126 is hereby incorporated by reference.

Prolonged use of this type of device can lead to stubborn contamination of the inner surface of the cup. The device had to be returned from development and cleaned. Therefore, there is an urgent need to provide a self-cleaning mixing device based on the formation of a water vortex in the cup.

Contents of the invention

It is therefore an object of the present invention to disclose a mixing apparatus comprising: (a) a cup for containing a liquid; (b) a rotating stirring member mounted within said cup; and (c) a drive motor for The rotary stirring member is rotated. The rotating stirring member and the driving motor are respectively provided with a first magnet and a second magnet, and the first magnet and the second magnet are operatively connected to the rotating stirring member and the driving motor so as to transfer the rotating motion from The drive motor is transmitted to the rotating stirring member.

A central feature of the present invention is the provision of a rotary stirring member comprising an axisymmetric basket having a lower member, an upper rim, and a plurality of rods connecting said lower member and upper rim. The plurality of rods are distributed circumferentially on the axisymmetric basket; the plurality of rods are inclined with respect to their surrounding circle so as to form a vortex in the liquid when the axisymmetric basket rotates.

Another object of the present invention is to disclose that said axisymmetric basket is mounted on said first magnet by means of a first bracket.

Another object of the invention is to disclose that said second magnet is mechanically connected to the shaft of said motor by means of a second bracket.

Another object of the invention is to disclose that said axisymmetric basket is provided with hinged handles.

Another object of the present invention is to disclose that at least one of said plurality of bars of said axisymmetric basket is provided with housing markings.

Another object of the present invention is to disclose a method for mixing liquid and solid phases in powder form. The method comprises the steps of: (a) providing a mixing apparatus comprising: (i) a cup for containing liquid; (ii) a rotating stirring member mounted within the cup; and (iii) a drive motor, Used to rotate the rotating stirring member; the rotating stirring member and the driving motor are respectively provided with a first magnet and a second magnet, and the first magnet and the second magnet are operatively connected to the rotating stirring member and said drive motor, thereby transferring rotational motion from said drive motor to said rotating stirring member; wherein said rotating stirring member comprises an axisymmetric basket having a lower member, an upper lacing ring, and connecting said a plurality of rods of the lower member and the upper beam ring; said plurality of rods are distributed circumferentially on said axisymmetric basket; said plurality of rods are inclined relative to their surrounding rings so that when said axisymmetric basket rotates (b) pour the liquid into the cup; (c) add powder material to the liquid; (d) rotate the axisymmetric basket until the powder The material dissolves completely in the liquid; and (e) decanting the resulting solution.

Another object of the invention is to disclose that said liquid is water.

Another object of the invention is to disclose that said powder material is milk powder.

Another object of the invention is to disclose that the method comprises the steps of pouring water into said cup and rotating said axisymmetric basket.

Another object of the present invention is to disclose that said rotating stirring member can be replaced by an axisymmetric basket in order to clean said mixing device.

Description of drawings

In order to understand the invention and to show how it may be implemented in practice, several embodiments are now described, by way of non-limiting examples only, with reference to the accompanying drawings.

Fig. 1 is the overall three-dimensional exploded view of mixing equipment;

Figure 2 shows the generation of vortex in the cup;

Figure 3 is a three-dimensional exploded view of the basket;

Fig. 4 is the sectional view of mixing equipment;

Figure 5 shows the location of an exemplary rod in the basket; and

Figures 6a and 6b illustrate two aspects of a stirring rod of an exemplary embodiment.

Detailed ways

The following description is provided to enable any person skilled in the art to utilize the described invention and to suggest the best mode contemplated by the inventors for carrying out the invention. However, since the general principles of the invention have been specifically defined to provide a mixing device and a method of using the same, various modifications are conceivable to those skilled in the art.

Referring now to FIG. 1 , a general perspective exploded view of mixing apparatus 100 is shown. The mixing device includes a base 250 . The base 250 includes an electrical connector 255 for energizing the motor (not shown). Reference numeral 240 refers to the housing that houses all the internal components of the mixing device. Basket 160 is detachably connected and shown separately. Reference numeral 230 is a cover assembly. According to one embodiment of the present invention, at the stage of mixing powder material and liquid, a stirring rod as disclosed in WO2014024126 is used.

Referring now to FIG. 2 , a cross-sectional view of mixing apparatus 100 is shown. The motor 110 carries a magnet 130 connected to the shaft of the motor 110 by means of a bracket 120 . The axisymmetric basket 160 is rotatably mounted within the cup body 180 . The magnet 150 is connected to the basket 160 through the bracket 140 . Reference numeral 170 designates positioning pins. The cup body 180 can be closed by a cover 190 . Rotational motion is transmitted from the motor 110 to the basket 160 due to the magnetic force between the magnet 130 and the magnet 150 .

Referring now to FIG. 3 , FIG. 3 illustrates the process of creating a vortex within the cup 180 . Arrows 200 and 210 indicate the descending and ascending trajectories of liquid flow within cup 180, respectively. The resulting vortex helps to clean the inner surface of the cup 180 .

Referring now to FIG. 4 , details of the basket 160 are shown. The basket includes a lower member 161 connectable to assembly 168 by screws 169 . Assembly 168 includes magnets. The lower member and cinch rings 164, 166 are interconnected by generally planar rods 162, 165, respectively. The basket is also provided with support legs 163 and a hinged handle 167 .

Referring now to Figure 5, it illustrates the principle of operation of the mixing device. 260 denotes the enclosing circle of the axisymmetric basket 160 . As the basket 160 rotates, the exemplary rod 270 inclined at an angle α pulls liquid from the peripheral interior of the cup (not shown) down into the central portion of the interior.

Referring now to Figure 6, two aspects of an alternative embodiment of the invention are illustrated. The stirring rod 300 is provided with a content identification 310 .

According to the present invention, a mixing device includes: (a) a cup for containing liquid; (b) a rotating stirring member installed in the cup; and (c) a driving motor for causing the rotating stirring member rotate. The rotating stirring member and the driving motor are respectively provided with a first magnet and a second magnet, and the first magnet and the second magnet are operatively connected to the rotating stirring member and the driving motor so as to transfer the rotating motion from The rotating stirring member is transmitted to the drive motor.

A central feature of the present invention is the provision of a rotary stirring member comprising an axisymmetric basket having a lower member, an upper rim, and a plurality of rods connecting said lower member and upper rim. The plurality of rods are distributed circumferentially on the axisymmetric basket; the plurality of rods are inclined with respect to their surrounding circle so as to form a vortex in the liquid when the axisymmetric basket rotates.

According to one embodiment of the present invention, the axisymmetric basket is mounted on the first magnet via a first bracket.

According to another embodiment of the present invention, the second magnet is mechanically connected to the shaft of the motor via a second bracket.

According to another embodiment of the invention, the axisymmetric basket is provided with a hinged handle.

According to another embodiment of the invention, at least one of said plurality of rods of said axisymmetric basket is provided with housing markings.

According to another embodiment of the present invention, a method of mixing a liquid and a solid in powder form is disclosed. The method comprises the steps of: (a) providing a mixing apparatus comprising: (i) a cup for containing liquid; (ii) a rotating stirring member mounted within the cup; and (iii) a drive motor, Used to rotate the rotating stirring member; the rotating stirring member and the driving motor are respectively provided with a first magnet and a second magnet, and the first magnet and the second magnet are operatively connected to the rotating stirring member and said drive motor, thereby transferring rotational motion from said drive motor to said rotating stirring member; wherein said rotating stirring member comprises an axisymmetric basket having a lower member, an upper lacing ring, and connecting said a plurality of rods of the lower member and the upper beam ring; said plurality of rods are distributed circumferentially on said axisymmetric basket; said plurality of rods are inclined relative to their surrounding rings so that when said axisymmetric basket rotates (b) pour the liquid into the cup; (c) add powder material to the liquid; (d) rotate the axisymmetric basket until the powder The material dissolves completely in the liquid; and (e) decanting the resulting solution.

According to another embodiment of the invention, said liquid is water.

According to another embodiment of the present invention, said powder material is milk powder.

According to another embodiment of the invention, the method comprises the steps of pouring water into said cup and rotating said axisymmetric basket.

According to another embodiment of the invention, the rotating stirring member can be replaced by an axisymmetric basket to clean the mixing device.

Claims (18)

1. A mixing device comprising: a. The cup body is used to hold the liquid; b. a rotating stirring member installed in the cup; and c. a drive motor for rotating the rotating stirring member; The rotating stirring member and the driving motor are respectively provided with a first magnet and a second magnet, and the first magnet and the second magnet are operatively connected to the rotating stirring member and the driving motor so as to transfer the rotating motion from the drive motor is transmitted to the rotating stirring member; Wherein the rotating stirring member comprises an axisymmetric basket, and the axisymmetric basket has a lower member, an upper toe ring, and a plurality of rods connecting the lower member and the upper toe ring; the plurality of rods are circumferentially distributed on the said axisymmetric basket; said plurality of rods are inclined relative to their surrounding rings so that when said axisymmetric basket rotates a vortex is formed within said liquid, said vortex serving to clean the inner surface of said cup. 2. The mixing device of claim 1, wherein the axisymmetric basket is mounted on the first magnet by a first bracket. 3. The mixing device of claim 1, wherein the second magnet is mechanically connected to the shaft of the motor by a second bracket. 4. The mixing device of claim 1, wherein the axisymmetric basket is provided with a hinged handle. 5. The mixing apparatus of claim 1, wherein at least one of the plurality of rods of the axisymmetric basket is provided with a containment mark. 6. A method of mixing liquid and solid phases in powder form, said method comprising the steps of: a. Provide a mixing device comprising: i. The cup body is used to hold the liquid; ii. a rotating stirring member installed in the cup; and iii. a drive motor for rotating the rotating stirring member; The rotating stirring member and the driving motor are respectively provided with a first magnet and a second magnet, and the first magnet and the second magnet are operatively connected to the rotating stirring member and the driving motor so as to transfer the rotating motion from the drive motor is transmitted to the rotating stirring member; Wherein the rotating stirring member comprises an axisymmetric basket, and the axisymmetric basket has a lower member, an upper toe ring, and a plurality of rods connecting the lower member and the upper toe ring; the plurality of rods are circumferentially distributed on the said axisymmetric basket; said plurality of rods are inclined relative to their surrounding rings so that when said axisymmetric basket rotates a vortex is formed within said liquid, said vortex serving to clean the inner surface of said cup; b. Pour the liquid into the cup; c. adding powdered material to said liquid; d. rotating the axisymmetric basket until the powder material is completely dissolved in the liquid; and e. Pour off the resulting solution. 7. The method of claim 6, wherein the liquid is water. 8. The method of claim 6, wherein the powdered material is milk powder. 9. The method of claim 6, comprising the steps of pouring water into the cup and rotating the axisymmetric basket. 10. A mixing device comprising: a. The cup body is used to hold the liquid; b. a rotating stirring member installed in the cup; and c. a drive motor for rotating the rotating stirring member; The rotating stirring member and the driving motor are respectively provided with a first magnet and a second magnet, and the first magnet and the second magnet are operatively connected to the rotating stirring member and the driving motor so as to transfer the rotating motion from the drive motor is transmitted to the rotating stirring member; The rotating stirring member may be replaced by an axisymmetric basket having a lower member, an upper lacing ring, and a plurality of rods connecting the lower member and the upper lacing ring to clean the mixing device; rods are distributed circumferentially on the axisymmetric basket; the plurality of rods are inclined with respect to their surrounding circle so that when the axisymmetric basket rotates a vortex is formed in the liquid which serves to clean the axisymmetric basket. The inner surface of the cup. 11. Mixing device according to claim 10, characterized in that the axisymmetric basket is mounted on the first magnet by a first bracket. 12. The mixing device of claim 10, wherein the second magnet is mechanically connected to the shaft of the motor by a second bracket. 13. The mixing apparatus of claim 10, wherein the axisymmetric basket is provided with a hinged handle. 14. The mixing apparatus of claim 10, wherein at least one of the plurality of rods of the axisymmetric basket is provided with a containment mark. 15. A method of mixing a liquid with a solid in powder form, said method comprising the steps of: a. Provide a mixing device comprising: i. The cup body is used to hold the liquid; ii. a rotating stirring member installed in the cup; and iii. a drive motor for rotating the rotating stirring member; The rotating stirring member and the driving motor are respectively provided with a first magnet and a second magnet, and the first magnet and the second magnet are operatively connected to the rotating stirring member and the driving motor so as to transfer the rotating motion from the drive motor is transmitted to the rotating stirring member; The rotating stirring member may be replaced by an axisymmetric basket having a lower member, an upper lacing ring, and a plurality of rods connecting the lower member and the upper lacing ring to clean the mixing device; rods are distributed circumferentially on the axisymmetric basket; the plurality of rods are inclined with respect to their surrounding circle so that when the axisymmetric basket rotates a vortex is formed in the liquid which serves to clean the axisymmetric basket. the inner surface of the cup; b. Pour the liquid into the cup; c. adding powdered material to said liquid; d. rotating the axisymmetric basket until the powder material is completely dissolved in the liquid; and e. Decant the resulting solution. 16. The method of claim 15, wherein the liquid is water. 17. The method of claim 15, wherein the powdered material is milk powder. 18. The method of claim 15, comprising the steps of pouring water into the cup and rotating the axisymmetric basket.

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