JPH04103844U - Safety switch mechanism for small electric cooking equipment - Google Patents

Abstract

(57) [Summary] [Purpose] Without providing a safety switch in addition to the power switch, the power switch can be turned on only when the lid is attached to cover the cutter disk, so that the operator can Prevent injuries caused by exposed blade discs. Further, since no switch member is required in addition to the power switch, the device itself can be made smaller and lighter, and the cost can be reduced. [Configuration] After attaching a plate member to a drive part in which a rotating shaft is rotatably supported and a cutter disk to a rotating shaft that passes through the plate member, a lid is attached to the drive part or the plate member so as to cover the cutter disk. Attach the body. When the lid is attached, when the actuating plate is rotated by contact with the actuating piece of the lid, the actuating rod, whose movement has been restricted by the actuating plate, is enabled to move. When the switch button is pressed down in this state, the switch member is turned on by the moving actuation rod.
Activate it to rotate the blade disk.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea is based on the safety switch mechanism of a small electric cooking device, specifically the cutter disk. The blade disc should only be driven to rotate when the lid is attached to cover it. The present invention relates to a safety switch mechanism for a small electric cooking device that can be used in a small electric cooking device.

0002

[Prior art]

The applicant has proposed a gripper connected to one side and a built-in electric motor on the other side. The main body case has a drive part in which the rotating shaft is rotatably supported, and the top surface of the drive part is covered. It is replaceably attached to the cooking plate member and the rotating shaft, and is used for chopping and slicing cooking ingredients. A cutter disc that cooks to the desired state such as rice and a drive that covers the cutter disc. It consists of a lid that can be attached to the main body case or the plate member, and the main body case cannot be held with one hand. Grate, chop, or slice cooking ingredients. We proposed a small electric cooking device that can

0003

[Problem that the idea aims to solve]

In this type of small electric cooking device, the rotating blade disc allows the operator to To prevent injury, a lid is attached to cover the blade disc. Only in this case, a safety switch is required to drive the blade disc in rotation.

0004 As the above safety switch, use a limit switch etc. in addition to the power switch. When the safety switch is turned on, the power switch will turn on. A structure that enables the ON operation of the switch is common.

[0005] However, since the device itself is small, small electric cooking devices require no electricity. It is difficult to secure space to install a safety switch outside the power switch. It was.

[0006] The present invention was devised to solve the above-mentioned conventional drawbacks, and The purpose is to eliminate the need for a safety switch outside the power switch. The power switch can only be turned on when the switch is installed to ensure worker safety. The purpose of the present invention is to provide a safety switch mechanism for small electric cooking equipment that can be .

[0007]

[Means to solve the problem]

For this reason, the present invention has a grip part on one side and a rotating shaft connected to an electric motor on the other side. The main body case has a drive part that is rotatably supported, and the drive part is inserted through the rotating shaft. A plate member that is attached to cover the top surface and a rotating shaft that passes through the plate member can be attached and detached. A knife that is attached to a knife and has a cutter that cooks the ingredients to the desired state. Can be attached to and removed from the disc and drive unit or plate member to cover the cutter disc A lid body that is attached to the blade and has an input section for inputting cooking ingredients into the blade disk. Attached to the top of the grip for small electric cooking devices equipped with A switch button with an axis line in a predetermined direction and a a first actuating rod that always biases the actuating rod in the direction in which the switch button is not pressed; an elastic member and a strip attached at a predetermined distance to the end of the actuating rod. The switch member is rotatably supported between the actuating rod and the switch member; An engaged part that comes into contact with and engages the actuating piece provided on the lid body, and an actuating rod at the other end. The actuating plate has a regulating part that regulates the movement of the actuating plate, and the regulating part is always connected to the actuating rod. and a second elastic member that is biased to rotate so as to be positioned below the ing.

[0008]

[Effect of invention]

Since the present invention is configured as described above, the blade is not attached to the drive unit or plate member. When the lid is not attached to cover the disc, the second elastic part The movement of the actuating rod is regulated by the other end of the actuating plate, which is biased by the material. to this Therefore, even if the switch button is turned on in the above state, the switch member will not turn on. Operation is regulated.

[0009] On the other hand, when the lid is attached to the drive unit or the plate member, the lid comes into contact with the actuating piece. The actuating plate is rotated against the elastic force of the first elastic member, and the actuating plate is actuated by the actuating plate. Movement rod movement restrictions are lifted. In this state, the switch button is turned on. Then, the moving actuating rod turns the switch member ON, and the driving electric motor is turned on. The cutter disk is rotated by the blade.

0010

【Example】

An embodiment of the present invention will be described below with reference to the drawings.

[0011] Figure 1 is an overall perspective view showing the outline of a small electric cooking device, and Figure 2 is II-II of Figure 1. FIG. 3 is a schematic perspective view showing the safety switch mechanism.

0012 The main body case 3 of the small electric cooking device 1 has a vertically long rectangular shape that can stand on its own. An electric motor 5 is built in the lower part.

[0013] A grip hole 7 is formed in the upper part of the main body case 3 with a size that allows a hand to be inserted therein. .

[0014] On the side surface corresponding to the middle part of the main body case 3, a driving part 9 having a substantially circular plane is mounted horizontally. It is integrally formed so as to extend in the direction.

[0015] A rotary shaft 11 having an axis in the vertical direction is rotatably supported at the center of the drive unit 9. An electric motor 5 built in the main body case 3 is connected to the rotating shaft 11.

[0016] A substantially circular plate member 13 is removably attached to the upper surface of the drive unit 9. .

[0017] A through hole 13a is formed in the center of the dish member 13 so that the rotating shaft 11 can be inserted therethrough. ing. Further, an upstanding wall 13b is provided on the outer periphery of the dish member 13, and a notch opening 13 at the tip end is formed. c is provided and integrally formed.

[0018] A blade disk 17 is removably attached to the rotating shaft 11 through which the dish member 13 is inserted. It is being The cutter disk 17 has a notch 17a of a predetermined width radiating from the center. The cutter disk 17 is formed to extend in the direction, and the cutter disk 17 corresponds to the circumference of the notch 17a. is attached so that the cutter 19 extends in the radial direction from the center.

[0019] A discharge plate 21 is disposed on the lower surface of the cutter disk 17 at a height close to the upper surface of the plate member 13. and are integrally formed so as to extend in the radial direction from the center.

[0020] A lid body 23 is attached to the drive unit 9 to which the dish member 13 and the blade disc 17 are attached. It is removably attached. A hanging wall 25 is provided on the outer periphery of the lid body 23 so that the plate member 13 has a hanging wall 25. An opening 27 is provided on the outer periphery of the standing wall 13b and coincides with the notch opening 13c. It is integrally formed.

[0021] A discharge guide portion 29 extends horizontally in the lid body 23 corresponding to the opening 27 and then extends downward. It is integrally formed so that it hangs down.

[0022] A charging cylinder 31 is integrally formed on the lid body 23 so as to communicate with the inside thereof.

[0023] An operating piece 33 is integrally formed on the hanging wall 25 located on the main body case 3 side.

[0024] A pair of engaging pieces 35 are arranged on both sides of the lid body 23 so as to be located on both sides of the drive section 9. The engagement groove 35a formed on the inner surface of the engagement piece 35 has an outer peripheral surface of the drive section 9. An engaging portion (not shown) integrally formed with is engaged.

[0025] A switch button 37 is supported on the top surface of the main body case 3 so as to be movable in the vertical direction. Ru. Further, the inside of the main body case 3 corresponding to the circumference of the gripping hole 7 has an axis line in the vertical direction. An operating rod 39 is supported so as to be movable in the vertical direction, and the lower end of the operating rod 39 has a A large-diameter portion 39a and a small-diameter portion 39b are formed in order toward the lower axis. stop The actuating rod 39 is normally operated by the elastic force of the compression spring 41 constituting the first elastic member. is biased upward.

[0026] An opening 42 is formed in the side surface of the main body case 3 corresponding to the actuating piece 33. An actuating plate 43 is supported rotatably around a shaft 44 within the corresponding main body case 3. Ru. A U-shaped engagement recess 45 is provided at one end of the actuating plate 43 located within the opening 42. The other end of the actuating plate 43 on the actuating rod 39 side is aligned with the small diameter portion 39b of the actuating rod 39. The elongated hole 47a with the matching width and the large diameter hole 47b that matches the large diameter portion 39a are continuous. When the switch button 37 is not pressed down, the small diameter of the actuating rod 39 is The portion 39b is inserted into the elongated hole 47a.

[0027] The actuating plate 43 has a second elastic member whose one end is locked to the inner surface of the main body case 3. The other end of the wire spring 49 is locked, and the elastic force of the wire spring 49 causes the operating plate 43 to move clockwise. It is urged to rotate in the direction.

[0028] A power switch 51 is attached to the main body case 3 below the operating rod 39. When the power switch 51 is turned on, the electric motor 5 is driven to rotate. .

[0029] Next, the operation of the small electric cooking device 1 will be explained according to FIGS. 3 to 5.

[0030] Figure 4 is a schematic perspective view showing the rotating state of the operating plate, and Figure 5 is the pressed state of the switch button. FIG.

[0031] When the lid body 23 is not attached to the drive unit 9, the actuating plate 43 is a wire spring. 49, it is urged to rotate in the clockwise direction (direction of solid arrow A) shown in FIG. The small diameter portion 39b of the actuation rod 39 is inserted into the long hole 47a of the actuation plate 43.

[0032] When the switch button 37 is pressed in this state, the operation is performed as shown in FIG. The large diameter portion 39a of the moving rod 39 comes into contact with the other end of the actuating plate 43 corresponding to the circumference of the elongated hole 47a. In contact with each other, movement of the axis downward is restricted. Therefore, the power switch 51 is in the OFF state. It is maintained in the state.

[0033] A plate member 13 is mounted on the upper surface of the drive unit 9, and a blade is mounted on the rotating shaft 11 that passes through the through hole 13a. After attaching the object disk 17, the lid body 23 is driven into the engagement groove 35a of the engagement piece 35. The lid body 23 is rotated relative to the drive part 9 so that the engaging part of the part 9 is engaged with the engaging part of the part 9, and the lid body 23 is removed. When the lid body 23 is attached, the actuating piece 33 of the lid body 23 enters into the opening 42 and a portion of the actuating plate 43 is inserted. Abutted on the edge.

[0034] The actuating plate 43 that the actuating piece 33 comes into contact with resists the elastic force of the wire spring 49 as shown in FIG. The actuating piece 33 is rotated in the counterclockwise direction (direction of the solid line arrow B) shown in FIG. engaged.

[0035] The large diameter portion 39a of the actuating rod 39 is actuated with the rotation of the actuating plate 43 described above. It is located in the large diameter hole 47b at the other end of the plate 43.

[0036] When the switch button 37 is pressed in the above state, the actuating rod will move as shown in FIG. 39 is axially downward (solid line arrow) as the large diameter portion 39a is inserted into the large diameter hole 47b. direction (marked C), and the lower end of the shaft touches the power switch 51 to turn it on. Ru.

[0037] This drives the electric motor 5 and rotates the blade disc 17 in a predetermined direction. let At this time, the large diameter portion 39a of the actuating rod 39 is inserted into the large diameter hole 47b. This restricts the rotation of the actuating plate 43 and also prevents the actuating piece 33 from moving relative to the engagement recess 45. The engagement prevents the lid 23 from coming off when the blade disk 17 rotates.

[0038] Then, in the above state, the cutter disk 1 rotates the cooking material through the input cylinder 31. 7, this cooking material is cut into the desired shape by the rotating cutter disk 17. After the food is cooked, it is discharged to the outside via the discharge guide section 29.

[0039] The above description includes a long hole 47a and a large diameter hole 47b connected to the long hole 47a at the other end of the actuating plate 43. The small diameter portion 39b of the actuating rod 39 is inserted into the elongated hole 47a, and the lid body 23 is Although it is assumed that the large diameter portion 39a is located in the large diameter hole 47b when the , only a through hole of a size that matches the large diameter part is provided at the other end of the actuating plate, so that the actuating plate is in a clockwise direction. The actuator is operated by bringing the shaft end of the actuating rod into contact with the flat surface of the actuating plate while the actuating rod is being rotated in the direction. While the movement of the moving rod is restricted, the actuating plate is rotated counterclockwise when the lid is attached. When the switch button is turned on, align the operating rod with the through hole to enable the ON operation of the switch button. It may be something that

[0040]

[Effect of the idea]

For this reason, the present invention does not require a safety switch outside the power switch, and the lid body The power switch can only be turned on when the switch is installed to ensure worker safety. It can provide a safety switch mechanism for small electric cooking equipment that can be Ru.

[Brief explanation of drawings]

FIG. 1 is an overall perspective view schematically showing a small electric cooking device.

FIG. 2 is a vertical sectional view taken along the line II-II in FIG. 1;

FIG. 3 is a schematic perspective view showing the safety switch mechanism.

FIG. 4 is a schematic perspective view showing a rotating state of the actuating plate.

FIG. 5 is a schematic perspective view showing a depressed state of the switch button 37. 1: Small electric cooking device 3: Main body case 5: Electric motor 7: Gripping hole 9: Drive section 11: Rotating shaft 13: Dish member 17: Blade disc 19: Blade 23: Lid body 33: Actuation piece 35: Engagement piece 37: Switch button 39: Actuation rod 41: Compression spring 43 forming the first elastic member: Actuation plate 49: Wire spring 51 forming the second elastic member: Power switch

Claims (4)

[Scope of utility model registration request] Claims: 1. A main body case having a grip part on one side and a driving part rotatably supporting a rotating shaft connected to an electric motor on the other side; A plate member to be attached, a cutter disk that is detachably attached to a rotating shaft that passes through the plate member and has a cutter attached thereto for cooking cooking ingredients to a desired state, and a drive unit or a cutter disk that covers the plate member. In a small electric cooking device, the lid body is removably attached as shown in FIG. , an actuating rod attached to the switch button and having an axis in a predetermined direction; a first elastic member that always biases the actuating rod in the direction of the switch button in the non-pressed state; a switch member attached at a predetermined interval between the actuating rod and the switch member, and an engaged member that is rotatably supported between the actuating rod and the switch member, and that engages with an actuating piece provided on the lid at one end. an actuating plate having a restricting part that restricts movement of the actuating rod at the joint and the other end; and a second elastic member that urges the actuating plate to rotate so that the restricting part is always positioned below the actuating rod. Safety switch mechanism consisting of. [Claim 2] The end of the actuating rod has a large diameter part and a small diameter part formed toward the shaft end, and the regulating part of the actuating plate has a large diameter part that is continuous with a corresponding long hole and a long hole in the small diameter part. 2. The switch mechanism according to claim 1, wherein a through hole is formed with a size matching the diameter portion, and the small diameter portion of the actuating rod biased by the first elastic member is inserted into the elongated hole. 3. The switch mechanism according to claim 1, wherein the first elastic member directly biases the actuating rod to position the switch button in an unpressed state. 4. The switch mechanism according to claim 1, wherein the first elastic member biases the actuating plate and moves the actuating rod that abuts the regulating portion of the actuating plate to position the switch button in a non-pressed state.