JP7273595B2 - mixer - Google Patents

Description

TECHNICAL FIELD The present invention relates to a mixer that performs processing such as crushing, grinding, finely cutting, and mixing (hereinafter referred to as "pulverization, etc.") materials in a container by rotationally driving cutter blades.

2. Description of the Related Art There are various types of mixers that process materials such as foodstuffs by rotating cutter blades with a motor.
As exemplified in Patent Document 1, an electric motor having a mechanism for rotationally driving a cutter rotating shaft, and a bottomed cylindrical cooking portion on the electric motor are provided, and the upper end of the cutter rotating shaft is connected to the bottom of the cooking portion. A general configuration is such that the cutter blade is fixed to the end of the projected cutter rotating shaft, the lower end of the cutter rotating shaft is connected to an electric motor, and the rotational driving force of the electric motor is transmitted to the cutter rotating shaft.

JP 2009-022510 A

In the mixer disclosed in Patent Document 1, when processing such as pulverization is performed, the mixer main body with the cooking part arranged on the electric motor is placed on a table or desk, etc., the material to be processed is placed in the cooking part, and the lid is closed. and operate the switch. When transferring the processed material to another container, remove the cooking part from the electric motor, remove the lid of the cooking part, tilt the cooking part, and transfer the material to another container. . Therefore, for example, while holding the main body of the mixer with one hand, the other hand puts in the material to be processed, places the lid, performs operations for processing, removes the lid, and transfers the material to be processed. operation cannot be performed consecutively. That is, there is a problem that a series of operations from processing such as pulverization of the workpiece to transfer to transfer cannot be easily performed.

SUMMARY OF THE INVENTION An object of the present invention is to provide a mixer capable of easily performing a series of operations from processing such as pulverization of a work material to transfer of the work material.

The mixer according to the present invention comprises a body portion having a switch portion for controlling rotation of a rotating shaft, a container portion installed on the upper portion of the body portion and containing a material to be processed, and an opening portion in close contact with the opening portion of the container portion. a first fixing portion fixed to a rotating shaft protruding into the container portion; and a cutter member rotating with the rotation of the rotating shaft and having a cutter blade for processing a workpiece. The main body is shaped so that it can be held with one hand, and has a smaller diameter than the opening of the container.

According to this invention, it is possible to easily perform a series of operations from processing such as pulverization of the work material to transfer of the work material.

FIG. 1 is a diagram showing a mixer according to Embodiment 1. FIG. 1 is an exploded perspective view showing a mixer according to Embodiment 1; FIG. 1 is a side sectional view of a mixer according to Embodiment 1. FIG. 4A, 4B, and 4C are diagrams showing modifications of the container portion of the mixer according to Embodiment 1. FIG. 5A and 5B are diagrams showing configurations of a cutter member and a spatula-shaped member of the mixer according to Embodiment 1. FIG.

Hereinafter, in order to describe the present invention in more detail, embodiments for carrying out the present invention will be described with reference to the accompanying drawings.
Embodiment 1.
FIG. 1 shows a mixer 1 according to Embodiment 1. FIG. FIG. 2 is an exploded perspective view showing the mixer 1 according to Embodiment 1. FIG. FIG. 3 is a side sectional view of the mixer 1 according to Embodiment 1. FIG.
In addition, in all the drawings for describing the embodiments, members having the same function are denoted by the same reference numerals, and repeated description thereof may be omitted. In the following description, the vertical direction of the mixer 1 corresponds to the vertical direction of FIG.

The mixer 1 includes a main body 2 housing a motor 1a, a control device 1b, a rechargeable battery 1c, and the like, a container 3 detachably installed on the upper part of the main body 2, and detachably arranged in the container 3. A rotating shaft 5 which is held through the container lid 4, the container portion 3 and the main body portion 2 and which is connected at its lower end to the motor 1a of the main body portion 2 and is rotationally driven by the motor 1a; A cutter member 6 provided at the upper end for processing such as pulverization of the material to be processed in the container 3, and a spatula-like member 7 provided at the upper end of the rotating shaft 5 for scraping off the material to be processed in the container 3. and The body portion 2 has a charging portion (not shown) on the bottom portion opposite to the side on which the container portion 3 is arranged. When charging the stored rechargeable battery 1c, the charging portion at the bottom of the main body 2 is placed on the charging base 8 while the mixer 1 is upright.

The body portion 2 has a joint portion 2a for joining the container portion 3 to its upper portion, a handle portion 2b having an outer diameter (shape) that allows a user to hold it with one hand, and a rotating shaft 5 that is rotated by a motor 1a. A switch unit 2c for ON/OFF control is provided. The body portion 2 is formed to have a smaller diameter than the opening portion 3c of the container portion 3, which will be described later.

An upper end portion of the rotary shaft 5 protrudes from the joint portion 2a. The upper end portion of the protruding rotary shaft 5 is fitted into a recess (not shown) formed in the bottom of the container portion 3 to join the joint portion 2a and the container portion 3 together.
The handle portion 2b is formed in a shape, for example, a bar shape, which can be easily gripped with one hand regardless of the size of the user's hand. The handle portion 2b has a small diameter on the upper side and a large diameter on the lower side, and is formed such that the diameter continuously increases from the upper side to the lower side. By making the diameter of the lower side larger than that of the upper side, the body portion 2 is stabilized when placed upright on the charging stand 8, stand, desk, or the like. It should be noted that the shape of the handle portion 2b can be changed appropriately as long as it is a shape that can be easily gripped with one hand and is stable when the main body portion 2 is placed upright on the charging base 8, a stand, a desk, or the like. is.

The switch portion 2c is arranged in a region where the operating finger, for example, the thumb is positioned when the user grips the handle portion 2b with one hand. The switch part 2c may be configured to turn on/off the rotational drive of the rotating shaft 5 by pushing it in, or may be configured to turn on/off the rotational drive of the rotating shaft 5 by sliding left and right. . The user can turn ON/OFF the rotational drive of the rotary shaft 5 while gripping the handle 2b.
In the examples of FIGS. 1 and 2, a configuration in which one switch section 2c is provided is shown, but a configuration may be provided in which a plurality of switch sections 2c are provided. For example, there is a switch for turning ON/OFF the rotary shaft 5 to which the cutter member 6 is fixed, and a switch for turning ON/OFF the rotary shaft 5 to which the spatula-like member 7 is fixed.

Inside the main body 2 are a control device 1b that controls to drive or stop the motor 1a according to an input operation to the switch portion 2c, and a rotary shaft 5 that is driven based on the control of the control device 1b. A motor 1a and a rechargeable battery 1c for supplying electric power to the motor 1a are provided.

The container part 3 is a container which is formed in a cup shape and accommodates a material to be processed such as a food material.
As shown in FIG. 3, the container portion 3 has a circular bottom portion 3a and a peripheral wall 3b rising from the peripheral edge of the bottom portion 3a. The opening 3c of the container part 3 is formed by the peripheral edge of the peripheral wall 3b. The container portion 3 has a truncated cone shape with a diameter decreasing from the opening portion 3c toward the bottom portion 3a. The inner surface of the peripheral wall 3b of the container portion 3 is formed to have a smooth surface without irregularities so that the spatula-like member 7 can come into close contact with and scrape off the workpiece. The material of the container part 3 can be appropriately applied as long as it is transparent and the material to be processed therein can be confirmed. The container part 3 is made of, for example, transparent glass.

4A and 4B are diagrams showing a modification of the container portion 3 of the mixer 1 according to Embodiment 1. FIG.
FIG. 4A shows a container portion 3A in which the peripheral wall 3b is linearly raised from the peripheral edge of the bottom portion 3a.
FIG. 4B shows a container portion 3B in which the peripheral wall 3d is curvedly raised from the peripheral edge of the bottom portion 3a. 3 d of surrounding walls are raised by the curve which swells toward the outer side of the container part 3B.
FIG. 4C shows a container portion 3C in which the peripheral wall 3e is curvedly raised from the peripheral edge of the bottom portion 3a. The peripheral wall 3e rises in a curved line that expands toward the inside of the container portion 3C.

The container lid 4 is composed of a circular lid member 4a and a ring-shaped packing 4b detachably arranged around the periphery of the lid member 4a.
The lid member 4a is attached to the opening 3c of the container portion 3 via the packing 4b. The material of the lid member 4a is, like the container part 3, formed of a material that allows the user to check the workpiece during use. When the lid member 4a is attached to the container portion 3, a protrusion 4c is formed on the surface positioned on the container portion 3 side to fit the packing 4b. The projecting portion 4c is formed on the circumference located inside the outer peripheral edge of the lid member 4a by a preset distance X. As shown in FIG.

The packing 4b has a ring-shaped outer shape. When the lid member 4a is attached to the container portion 3, the packing 4b is formed with a first recessed portion 4d on a surface positioned on the side of the lid member 4a to be fitted with the protrusion 4c of the lid member 4a. The packing 4b is formed with a second concave portion 4e on the surface positioned on the container portion 3 side when the cover member 4a is attached to the container portion 3. The second concave portion 4e is fitted to the outer peripheral edge of the upper end of the container portion 3. As shown in FIG.

The packing 4b is made of a water-impermeable material and made of an elastic material such as rubber. When the opening 3c of the container portion 3 is covered with the container lid 4, the packing 4b is in close contact with the lid member 4a and the opening 3c of the container portion 3. As shown in FIG. Thus, when the container portion 3 is covered with the container lid 4, the workpiece will not leak to the outside when the container portion 3 is tilted or shaken.

Next, the cutter member 6 and the spatula-shaped member 7 will be described.
5A and 5B are diagrams showing configurations of the cutter member 6 and the spatula-shaped member 7 of the mixer 1 according to Embodiment 1. FIG.
5A is a top perspective view of mixer 1. FIG. 5B is a top view of the mixer 1. FIG.
The rotary shaft 5 is composed of a first rotary shaft (not shown) for rotating the cutter member 6 and a second rotary shaft (not shown) for rotating the spatula-like member 7 . The first rotating shaft and the second rotating shaft are concentric shafts. The cutter member 6 and the spatula-shaped member 7 are arranged so that the locus of rotation of the cutter member 6 and the locus of rotation of the spatula-shaped member 7 do not overlap. A later-described spatula portion 7b is arranged in a region between the inner wall of the container portion 3 and a surface formed by a rotation locus of a later-described cutter blade 6b.

The cutter member 6 is composed of a first fixed portion 6a fixed to the first rotating shaft, and a cutter blade 6b formed by bending the first fixed portion 6a upward from the container portion 3. . The cutter blade 6b pulverizes, grinds, finely cuts, and mixes the material to be processed in the container portion 3 . 5A and 5B show an example in which there are two cutter blades 6b, but the number of cutter blades 6b is not limited to two.

The spatula-shaped member 7 has a second fixing portion 7a fixed to the second rotating shaft, and a second fixing portion 7a extending in a direction away from (or approaching) the second fixing portion 7a (a generatrix direction of the peripheral wall 3b). 2 and a spatula portion 7b formed along the inner wall of the container portion 3 (the inner surface of the peripheral wall 3b) . The spatula portion 7b is made of a material that does not deteriorate with heat and has elasticity, such as silicon. As the second rotating shaft rotates, the spatula portion 7b rotates while being in contact with the inner wall of the container portion 3. As shown in FIG. The rotated spatula portion 7 b scrapes off the work material adhering to the inner wall of the container portion 3 and drops the scraped work material toward the center of the container portion 3 .

As shown in FIGS. 5A and 5B, the spatula portion 7b has one edge 7c of sides extending along the longitudinal direction (the generatrix direction of the peripheral wall 3b) in contact with the inner wall of the container portion 3, and extends in the longitudinal direction. The other end side 7d of the sides extending along it is arranged so as to be separated from the inner wall of the container portion 3 by a small distance. That is, the other edge 7 d is slightly closer to the center of the container 3 than the one edge 7 c contacting the inner wall of the container 3 . As a result, the scraped material scraped off by the spatula portion 7 b is guided to the center of the container portion 3 .

As shown in FIGS. 5A and 5B, when the spatula portion 7b is viewed from above, the thickness of one edge 7c is thinner than the thickness of the other edge 7d. This makes it easier for the one edge 7c to come into close contact with the inner wall of the container portion 3, so that the workpiece can be neatly written off. The width of the spatula portion 7b in the Y direction can be set appropriately. The width of the spatula portion 7b in the Y direction, for example, guides the workpiece to the center of the container portion 3 and prevents scraped workpieces from surmounting the spatula portion 7b and adhering to the inner wall of the container portion 3 again. Calculate and define the width.

In the mixer 1 described above, when the container lid 4 is open, even if the switch portion 2c is pushed or slid, the cutter member 6 may not rotate.

In the mixer 1 described above, the container part 3 and the container lid 4 may be configured to be openable and closable via a hinge mechanism. At that time, the opening and closing of the container lid 4 via the hinge mechanism may be performed by operating a switch.

In the mixer 1 described above, the case where the container lid 4 is composed of the lid member 4a and the packing 4b detachably arranged around the periphery of the lid member 4a is shown as an example, but the configuration is not limited to this. . For example, a structure may be adopted in which the lid member 4a is fitted to the container portion 3 without providing the packing 4b.

In the above description, the configuration in which the switch portion 2c is pushed in and the configuration in which the switch portion 2c is slid are shown, but the configuration is not limited to these configurations. As long as the configuration is easy for the user to operate or hard for the user to make an erroneous operation, it can be applied as appropriate. Further, a function of changing the rotational speed of the cutter member 6 by operating the switch portion 2c may be additionally provided.

In the mixer 1 described above, magnets may be incorporated in the charging portion of the main body portion 2 and the charging base 8 . Thereby, the main body part 2 can be easily placed on the charging base 8 . In addition, it is possible to prevent the body portion 2 from falling down from the charging stand 8 .

As described above, according to the first embodiment, the body portion 2 having the switch portion 2c for controlling the rotation of the rotating shaft 5, and the container portion 3 installed on the upper portion of the body portion 2 and containing the workpiece. , a container lid 4 that is in close contact with and covers the opening 3c of the container 3; and a cutter member 6 having a cutter blade 6b that rotates therewith and processes the workpiece material, and the body portion 2 has a shape that can be gripped with one hand and has a smaller diameter than the opening portion 3c of the container portion 3. It was configured to be formed in

As a result, a series of operations from processing such as pulverization of the workpiece to transfer of the workpiece can be easily performed. That is, when pulverizing the material to be processed, the mixer can be held in one hand and operated, pulverized, and transferred to a dish without changing hands.
As a result, the operation of pulverizing the material to be processed is facilitated, and the burden on users such as caregivers can be reduced. In addition, the material to be processed can be easily pulverized even on the go.
In addition, the mixer can be shaken with one hand, so that the material to be processed in the container can be easily homogenized, and uneven grinding can be suppressed.

Further, according to Embodiment 1, the container portion 3 includes the circular bottom portion 3a and the peripheral wall 3b erected on the peripheral edge of the bottom portion 3a, and the opening portion 3c is formed by the peripheral edge of the peripheral wall 3b. 3b is configured to have a truncated cone shape with a diameter decreasing from the opening 3c toward the bottom 3a.
As a result, the pulverized work material can be easily transferred to a dish or the like.

Further, according to the first embodiment, the second fixing portion 7a fixed to the rotating shaft 5 protruding into the container portion 3 and the surface formed by the rotation locus of the peripheral wall 3b and the cutter blade 6b A spatula-like member 7 having a spatula portion 7b positioned in the region and rotating while being in contact with the peripheral wall 3b as the rotating shaft 5 rotates is provided.
As a result, the workpiece adhering to the inside of the container can be scraped off. It is possible to suppress the occurrence of uneven pulverization of the material to be processed, and to transfer the material to be processed to a plate or the like without waste.

Further, according to the first embodiment, the spatula portion 7b has one end side 7c of the sides extending along the longitudinal direction in contact with the peripheral wall 3b and the other side of the sides extending along the longitudinal direction. 7d of edge side 7d spaced apart from the surrounding wall 3b, and was comprised so that it might rotate.
Thereby, the workpiece scraped off from the inside of the container can be guided to the center of the container.

Further, according to the first embodiment, the main body part 2 has a charging part at the bottom on the side opposite to the side where the container part 3 is arranged, and the charging part is placed on the charging base 8 at the time of charging. configured as
This allows the user to charge the mixer with one hand. Also, the mixer can be easily used on the go.

It should be noted that, within the scope of the present invention, any component of the embodiment can be modified or any component of the embodiment can be omitted.

1 mixer, 1a motor, 1b control device, 1c rechargeable battery, 2 body, 2a junction, 2b handle, 2c switch, 3, 3A, 3B, 3C container, 3a bottom, 3b, 3d, 3e peripheral wall , 3c opening, 4 container lid, 4a lid member, 4b packing, 4c protrusion, 4d first recess, 4e second recess, 5 rotating shaft, 6 cutter member, 6a first fixing portion, 6b cutter blade , 7 spatula-shaped member, 7a second fixing portion, 7b spatula portion, 8 charging stand.

Claims (6)

a body portion having a switch portion for controlling rotation of the rotating shaft;
a container part installed on the upper part of the main body part and containing a material to be processed;
a container lid that is in close contact with the opening of the container and covers the opening;
a first fixing portion fixed to the rotating shaft projecting into the container portion;
The main body of the mixer is shaped so that it can be held with one hand, and has a smaller diameter than the opening of the container. The container portion includes a circular bottom portion and a peripheral wall erected at the peripheral edge of the bottom portion, the opening being formed by the peripheral edge of the peripheral wall, and the peripheral wall having a diameter extending from the opening toward the bottom portion. 2. A mixer according to claim 1, characterized in that it has a reduced frusto-conical shape. 3. The mixer according to claim 2, wherein said cutter blade rotates along said peripheral wall of said container. located in a region between a second fixing portion fixed to the rotating shaft protruding into the container portion and a surface formed by the peripheral wall and the rotational trajectory of the cutter blade; 4. The mixer according to claim 2, further comprising a spatula-like member having a spatula portion that rotates while being in contact with the peripheral wall. The spatula part rotates so that one end side of the sides extending along the longitudinal direction is in contact with the peripheral wall, and the other end side of the sides extending along the longitudinal direction is separated from the peripheral wall. 5. A mixer according to claim 4, characterized in that: The body portion has a charging portion on a bottom portion opposite to the side on which the container portion is arranged, and the charging portion is placed on a charging stand during charging. 6. A mixer according to any one of 5.

Images