JP5560593B2 - Electric mixer - Google Patents

Description

  The present invention relates to an electric mixer, and more particularly to an arrangement structure of a power cord storage space and a reset switch in the electric mixer.

  In this type of electric mixer, if the material to be crushed is heavier than the specified material, the current flowing through the drive motor will increase, and if a certain specified value is exceeded, a reset will be provided in series with the drive motor. The switch operates to stop energization of the drive motor. Since this reset switch is unnecessary in normal times, it is often provided at the bottom of the main body (see Patent Document 1).

  On the other hand, a cooking appliance that winds and stores the power cord around the bottom of the main body is also known (see Patent Document 2).

JP 2003-245209 A JP 2000-201806 A

  By the way, once the reset switch is operated, it cannot be restored unless the switch lever is manually depressed (that is, the energization to the drive motor cannot be resumed).

  In the electric mixer in which a reset switch is arranged at the bottom of the main body as in Patent Document 1, when the power cord is wrapped around the bottom of the main body and stored as disclosed in Patent Document 2, the power cord is reset. Do not obstruct the operation of the switch, and do not obstruct the storage of the power cord with the reset switch.

  The present invention has been made in view of the above points, and an object of the present invention is to ensure the operability of the reset switch while securing a storage space for winding a power cord around the bottom of the main body.

In the present invention, as a means for solving the above problems, and furnished a drive motor, a body that is upwardly projected the output connector which is rotated by the drive motor, passive connectors to said output connector and meshes downward In the electric mixer provided with a crushed body having a rotary blade connected to the passive connector, a power cord storage space for wrapping and storing a power cord is provided at the lower part of the main body, and the power cord In the upper part of the storage space, when the material to be crushed in the crushed object is heavier than the specified material and the current flowing through the drive motor exceeds a specified value, resetting to stop energizing the drive motor While arranging the switch, the power cord storage space is formed with a notch that opens up and down, and a notch located at the top. In the state where the reset switch is arranged and the reset switch is not operated, the switch lever of the reset switch is located above the power cord storage space and the reset switch is operated. The switch lever of the reset switch is configured to reach the power cord storage space.

  With the configuration described above, the reset switch is disposed above the power cord storage space, and the power cord storage space can be secured without hindering the operation of the reset switch. In addition, the power cord storage space is formed with a notch that opens up and down, and the reset switch is arranged in the notch located at the top, so the switch lever for returning the reset switch can be removed from the notch It becomes possible to operate, and the reset switch can be easily restored. Further, when the reset switch is not operating, the switch lever of the reset switch is located above the power cord storage space, and when the reset switch is operating, the switch lever of the reset switch is Since the power cord storage space is reached, the power cord can be easily stored without impeding the operability of the reset switch.

According to the hand stage of the present invention, and interior the drive motor, a body that is upwardly projected the output connector which is rotated by the drive motor, passive connectors for the output connector engaged is projected downward, the In an electric mixer provided with a crushed body having a rotary blade connected to a passive connector, a power cord storage space for wrapping and storing a power cord is provided at the lower portion of the main body, and an upper portion of the power cord storage space, Since the material to be crushed in the crushed body is a load that is heavier than the specified material, and a reset switch is arranged to stop energization of the drive motor when the current flowing through the drive motor exceeds a specified value, A reset switch will be placed in the upper part of the power cord storage space. There is an effect that it becomes possible to secure a storage space code. In addition, the power cord storage space is formed with a notch that opens up and down, and the reset switch is arranged in the notch located at the top, so the switch lever for returning the reset switch can be removed from the notch As a result, the reset switch can be easily restored. Further, when the reset switch is not operating, the switch lever of the reset switch is located above the power cord storage space, and when the reset switch is operating, the switch lever of the reset switch is Since it is configured to reach the power cord storage space, there is an effect that the power cord can be easily stored without impeding the operability of the reset switch.

It is a longitudinal cross-sectional view of the electric mixer concerning embodiment of this invention. It is an expansion longitudinal cross-sectional view of the overcup part in the electric mixer concerning embodiment of this invention. It is a principal part expanded sectional view of the overcup in the electric mixer concerning embodiment of this invention. It is a principal part enlarged front view of the switch operation body in the electric mixer concerning embodiment of this invention. It is an expanded sectional view which shows the relationship between the switch operation body and switch apparatus in the electric mixer concerning embodiment of this invention. It is an enlarged side view which shows the relationship between the main-body bottom part and support stand in the electric mixer concerning embodiment of this invention. It is the expansion perspective view which looked at the main-body bottom part in the electric mixer concerning embodiment of this invention from the downward direction. It is an expanded bottom view of the main body in the electric mixer concerning embodiment of this invention. It is a lower part side view of the electric mixer concerning embodiment of this invention. It is lower part sectional drawing of the electric mixer concerning other embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  As shown in FIG. 1, the electric mixer includes a main body 1, a crushed body 2, and an overcup 3.

  The main body 1 is configured to include a drive motor 5 in a predetermined case 4 and a storage space 6 for the crushed body 2 at an upper portion, and an output connector 7 is provided in the storage space 6. ing. In the main body 1, a switch device 10 including a micro switch 8 for turning on / off the power of the drive motor 5 and an operating rod 9 for operating the micro switch 8 is disposed. An operating rod 9 in the switch device 10 is disposed along the inner peripheral surface of the case 4 so as to be movable up and down.

  The drive motor 5 is connected to a power cord 11 (described later) via a micro switch 8 of the switch device 10, and an output connector 7 is mounted on the upper end of its output shaft (rotary shaft) 12. ing. The output connector 7 has an upper surface formed in a mountain shape for fitting, and protrudes upward at the center bottom of the storage space 6.

  The crushed body 2 includes a container part 14 located at the upper part, a bearing housing part 15 located at the lower part, a rotary shaft part 16, a passive connector 17, a rotary blade 18, and a transparent container lid 19. Has been.

  The container part 14 has a container shape that is fitted from above to a step part 20 formed on the peripheral wall of the storage space 6, and is formed on the outer periphery of the lower end part of the transparent container lid 19. A female screw 22 into which the male screw 21 thus formed is screwed is formed. A shaft hole of the rotary shaft portion 16 is formed in the center of the bottom surface of the container portion 14.

  The bearing housing portion 15 is attached to the lower portion of the container portion 14 with a screw or the like, and a shaft hole in which an upper portion is opened at a central portion and a lower end portion of the rotary shaft portion 16 is fitted to a bottom surface. A cylindrical bearing portion 23 is provided.

  The transparent container lid 19 is made of food that is crushed by the rotary blade 18 by screwing a male screw 21 formed on the outer periphery of the lower end portion thereof with a female screw 22 formed on the inner peripheral surface of the container portion 14. It has a function of preventing the surroundings from being scattered, and on the inner peripheral surface, vertical ridges 24 are formed at equal intervals in the circumferential direction. The ridges 24 have a function of preventing the food stored in the transparent container lid 19 from rotating.

  The rotating shaft portion 16 is housed in the bearing portion 23 of the bearing housing portion 15, and the bearing housing portion 15 is connected to the container portion 14 by means such as screwing. Furthermore, a passive connector 17 having a shape that meshes with the output connector 13 on the drive motor 5 side is attached to the rotary shaft portion 16 that projects downward from the bearing housing portion 15, and the rotary shaft portion 16 that projects from the bottom surface of the container portion 14 rotates. After the blade 18 is mounted and the food to be crushed is stored in the container part 14, the crushed body 2 is assembled when the transparent container lid 19 is screwed.

  The overcup 3 is made of a transparent material so that the inside can be seen through, and a switch operating body 25 for operating the switch device 10 for turning on / off the drive motor 5 is arranged in the inside thereof so as to be movable up and down. It is installed. As shown in FIG. 2, the switch operating body 25 is constituted by a part of the top surface 3a of the over cup 3 and is configured to rotate in the vicinity of the end surface around the center of the top surface 3a. A portion 26 and a lever member 27 that is connected to a rotating portion of the operation portion 26 and moves up and down along the inner surface of the overcup 3. The operation portion 26 is biased upward by a spring 28, and is formed integrally with an upper end of the lever member 27 in an engagement hole 29 formed on one end side thereof (that is, a rotating portion). The engagement protrusion 30 is engaged (see FIGS. 3 and 4). That is, when the vicinity of the end face of the operation portion 26 is pressed in the direction indicated by the arrow P against the urging force of the spring 28, the lever member 27 is pushed downward. Reference numeral 13 denotes a guide groove for guiding the lever member 27.

  As shown in FIG. 1, the lower end of the lever member 27 is opposed to the upper end of the operating rod 9 in the switch device 10 on the upper surface of the main body 1. A seal packing 31 is provided between the upper end of the operation rod 9 and the lower end of the lever member 27 to prevent water from entering the main body 1 through the operation rod 9 (FIG. 5). reference). The seal packing 31 is pressure-bonded by a blind ring 33 to a mouth edge of an opening 32 formed to fit the operating rod 9 on the upper surface of the main body 1.

  Further, in the present embodiment, the main body 1 is supported on a support base 34 having substantially the same diameter as the main body 1, and a power cord 11 (see FIG. 9) is wound around the bottom of the main body 1. A cord take-up device 35 for taking is provided. As shown in FIGS. 6 to 8, the cord winding device 35 includes an arcuate body 36 that protrudes from the bottom surface of the main body 1 and abuts against the support base 34. The open ends 36a, 36a extend in parallel to the center direction. The circular arc body 36 has a substantially smaller diameter than the outer diameter of the main body 1 so as to ensure a margin for winding the power cord 11. In this way, the outer shape of the main body 1 is an oval shape in which the front side (that is, the side on which the switch device 10 is disposed) protrudes, so that the main body 1 and the support base 34 come into contact with each other. The part has a small diameter and tends to be unstable. Therefore, in the present embodiment, a plurality of ribs 37, 37,... Are integrally projected from the arc member 36 at a predetermined interval on the side where the switch device 10 is disposed. That is, the cord winding device 35 is constituted by the circular arc body 36 and the ribs 37, 37,. If it does in this way, the contact area of the cord winding apparatus 35 and the support stand 34 will become large, and the stability of the main body 1 will increase. When the distance between the outer periphery of the main body 1 and the tips of the ribs 37, 37... Is D1, and the distance between the outer periphery of the main body 1 and the outer periphery of the circular arc body 36 is D2, D1 = D2. desirable. In this way, the space required for winding the power cord 11 around the cord winding device 35 (that is, the cord storage space S) is substantially uniform on the outer peripheral side of the cord winding device 35. The winding work of the cord 11 can be easily performed.

  Incidentally, as shown in FIG. 9, the power cord 11 is wound around a cord winder 35 provided between the main body 1 and the support base 34. The distance A from the upper surface of 34 (in other words, the width of the cord winding device 35) is substantially equal to the thickness h1 of the cord bush 11a in the power cord 11. The interval A is made narrower than the thickness h2 of the outlet 11b of the power cord 11. In this way, the cord bush 11a of the power cord 11 can be sandwiched in the gap A between the lower surface of the main body 1 and the upper surface of the support base 34, and the wound cord can be easily fixed and stored. Sometimes the power cord 11 is not unwound.

  In the drawing, reference numeral 38 denotes a reset switch that operates to turn off the switch device 10 when the value of the current flowing through the drive motor 5 becomes large as when the amount of food to be crushed is large, and 39 denotes cooling air. Is the intake.

  A procedure for crushing food using the electric mixer configured as described above will be described.

  The food to be crushed can be stored in the container portion 14 of the crushed body 2 when a small amount of food is to be mounted and the transparent container lid 19 can be screwed on. It puts in the lid 19, and is then screwed onto the crushed body 2 and accommodated inside the crushed body 2 and the transparent container lid 19 with integrated food. Next, the overcup 3 is attached to the main body 1, and the operating portion 26 constituting a part of the top surface 3 a of the overcup 3 is pressed in the direction indicated by the arrow P against the urging force of the spring 28. Then, the lever member 27 connected to the rotating part of the operation unit 26 moves downward, the micro switch 8 of the switch device 10 is turned on, the drive motor 5 is energized, and the rotary blade 18 is driven to rotate. The stored food is crushed.

  When sufficient food crushing is performed, when the pressure applied to the operation unit 26 is released, the operation unit 26 is moved up by the urging force of the spring 28, the lever member 27 is pulled up, and the micro switch 8 of the switch device 10 is lifted. Is turned off, and the drive motor 5 stops.

  Therefore, when the transparent container lid 19 is unscrewed after the overcup 3 is removed, the crushed food is contained in the container portion 14, and thereafter, the crushed food is transferred to an appropriate tableware or directly used for cooking. It is to make.

  By the way, a power cord storage space S in which the power cord 11 is wound and stored is provided at the lower portion of the main body 1, and the reset switch 38 is disposed above the power cord storage space S. The reset switch 38 is configured so that once it is operated, the energization of the drive motor 5 is not resumed unless the switch lever 38a is operated. The power cord storage space S is formed with cutouts 40 and 41 that open up and down, and the reset switch 38 is arranged in the cutout 40 located at the top. When the reset switch 38 is not operating, the switch lever 38a of the reset switch 38 is positioned above the power cord storage space S, and when the reset switch 38 is operating, The switch lever 38a of the reset switch 38 is configured to reach the power cord storage space S.

  With the above configuration, the reset switch 38 is disposed above the power cord storage space S at the bottom of the main body 1, so that the storage space S for the power cord 11 can be reduced without hindering the operation of the reset switch 38. It can be secured. In addition, the switch lever 38a for returning the reset switch 38 can be operated from the notches 40 and 41, and the reset operation of the reset switch 38 is facilitated. Further, the power cord 11 can be easily stored without impeding the operability of the reset switch 38. Furthermore, since the notches 40 and 41 are formed in both the main body 1 and the support base 34, the appearance is not impaired.

  The principal part of the electric mixer concerning other embodiment of this invention is shown by FIG.

  In this case, a fitting 42 for attaching the power cord 11 is fitted into the gap between the main body 1 and the support base 34 constituting the cord storage space S, and the power cord 11 is fixed to the fitting 42. ing. The fixture 42 includes a pair of fixed claws 42a and 42a into which the power cord 11 can be fitted, and is attached by fitting one of the fixed claws 42a into the cord storage space S.

  The invention of the present application is not limited to the above-described embodiment, and it is needless to say that the design can be appropriately changed without departing from the gist of the invention.

1 is a main body 2 is a crushed body 5 is a drive motor 7 is an output connector 11 is a power cord 17 is a passive connector 18 is a rotary blade 38 is a reset switch 38a is a switch lever 40, 41 is a notch S is a power cord storage space

Claims (1)

  A main body having a drive motor and an output connector rotated upward by the drive motor projecting upward, and a passive connector meshing with the output connector projecting downward, and a rotary blade connected to the passive connector An electric mixer including a crushed body, wherein a power cord storage space for wrapping and storing a power cord is provided, and a material to be crushed in the crushed body is formed from a specified material above the power cord storage space. In the case of a heavy load, a reset switch is arranged to stop energization of the drive motor when the current flowing through the drive motor exceeds a specified value, while the power cord storage space opens up and down. A notch is formed, and the reset switch is disposed in the notch located at the upper portion and the reset switch is operated. When the reset switch is not operating, the switch lever of the reset switch is positioned above the power cord storage space. When the reset switch is operating, the switch lever of the reset switch is in the power cord storage space. An electric mixer characterized by being configured to reach this level.

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