JPH04108072U - electrical equipment - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] To make it easier to replace electric toothbrushes and electric razors by standardizing the main body of the device. [Structure] A motor 2 is provided inside a case 2 with a rotating shaft 3a protruding outside the case. In the case of a rotary electric razor, a razor unit is attached to the engaging portion 5 and driven by the rotating shaft 3a. If using an electric toothbrush,
Install adapter 7. When the rotating body 11 rotates, the engagement between the protrusion 14 of the disc portion 13 and the slit 16a causes
The base portion 16 of the power conversion portion 15 swings back and forth around the fixed portion 10b. By attaching the toothbrush unit 22 to the boss 17 of the base part 16, an electric toothbrush that swings back and forth is obtained.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to electrical equipment, especially electric toothbrushes and electric razors that share a drive part. Electricity that allows the toothbrush unit and razor unit to be replaced at will It concerns equipment.

0002

[Conventional technology]

Generally, electric toothbrushes include a battery and a motor in a cylindrical case. The main body of the device is housed so that the rotating shaft protrudes outside the case, and the main body of the device is attached to the main body of the device. The cover has a movement direction conversion function that converts the rotational movement of the motor into reciprocating movement. It consists of a toothbrush unit attached to the output shaft of the functional part. . On the other hand, electric razors have an inner blade unit connected to the motor shaft of the device body. First, install the outer cutter unit in the case of the device body so that the inner cutter is in contact with the inside of the outer cutter. Arrived and configured. These electric toothbrushes and electric razors are configured independently, and each has its own purpose. It is used depending on the purpose.

0003

[Problem that the idea aims to solve]

When using these devices at home, use them individually depending on their purpose. This makes it easy to use. However, when you travel, for example, you have to carry each device with you. As a result, there is a problem in that the things you carry become bulky, making it difficult to move around. Therefore, the purpose of the present invention is to provide a toothbrush unit with a relatively simple configuration. To provide an electric device in which a razor unit can be replaced as appropriate.

0004

[Means to solve the problem]

Therefore, in order to achieve the above-mentioned object, the present invention incorporates a motor inside the case. , the main body of the device is arranged so that its rotating shaft is guided out of the case, and the rotating shaft of the motor. Connecting part to the rotating shaft, converting part that converts the rotational motion of the motor into reciprocating motion, and outputting the reciprocating motion. A movement direction conversion function part with a boss that applies force, a brush at one end of the shaft, and a coupling part at the other end. and a toothbrush unit whose connecting part is connected to the boss of the motion direction conversion function part. The motion direction conversion function section is attached to the main body of the device, and the coupling section is detachably attached to the rotating shaft of the motor. The motion direction converting function section is attached to the adapter. A disc part with a protrusion is placed on one side across the partition part of the adapter body, and a motor is placed on the other side. In addition to arranging the coupling part that connects to the rotating shaft of the Exclude the rolling body and the slit for inserting the protrusion of the rotating body into the strip-shaped base. A first boss is formed at each end, and the central axis of the first boss is the axis of reciprocating motion. It consists of a power converter section with a The case also houses a motor and a battery inside the case. The main body of the equipment is arranged so that the rotating shaft is guided out of the case, and one side of the base is The connection part to the rotating shaft of the motor is connected to an inner cutter unit having an inner cutter on the other side and a main body part. an outer cutter unit having an outer cutter formed at one end to follow the rotating surface of the inner cutter; The main body is equipped with an inner cutter unit and an outer cutter unit.

[0005]

[Effect]

According to this invention, the connection part to the rotating shaft of the motor converts the rotational motion of the motor into reciprocating motion. The device has a conversion section that converts the movement direction into a motion direction, and a motion direction conversion function section that has a boss that outputs reciprocating motion. Attach the connecting part to the main body so that it can be detachably connected to the rotating shaft of the motor, and adjust the movement method. By connecting the toothbrush unit to the boss of the direction conversion function part, you can create an electric toothbrush. It can be used as a movement direction conversion function unit and in place of a toothbrush unit. If you attach the razor unit, you can use it as an electric razor.

[0006]

【Example】

Next, an embodiment of the present invention will be described with reference to FIGS. 1 to 4. In the figure, reference numeral 1 denotes a main body of the device, which has, for example, a top surface 2a on one side, and has an internal structure. A cylindrical case 2 which is divided into a first space 1a and a second space 1b by a partition part 2b. A motor 3 is arranged in the first space 1a so that the shaft 3a protrudes from the hole 2c. The outer surface of the case 2 is attached to the battery 4 disposed in the second space 1b and the outer surface of the top surface 2a. A cylindrical engaging part 5 smaller than the diameter and having a threaded part formed on its outer peripheral surface, and a case. 2 and a lid 6 attached to the open end of the lid 2 by screwing or the like.

[0007] An adapter 7 is screwed onto the engaging portion 5 of the device body 1. This a The adapter 5 is composed of an adapter body and a rotating body. The adapter body 8 is an example For example, a threaded portion is provided on the inner surface of the lower end, and a plurality of (for example, two) recessed portions 9a are provided on the upper end surface. A cylindrical part 9 having a circular hole formed integrally inside the cylindrical part 9 and a circular hole in the center part. 10a, and a fixed portion integrally erected on the upper surface of the outer peripheral portion of the partition portion 10. It is composed of a fixed shaft 10b. Further, the rotating body 11 is, for example, the shaft 3a of the motor 3. A connecting portion 12 having a concave portion having approximately the same external shape as the outer shape of the connecting portion 12, A disc portion 13 is integrally formed with a disc portion 13, and a disc portion 13 is integrally formed on the upper surface of the circumferential portion of the disc portion 13. The disk portion 13 and the joint portion 12 are each partitioned into a partition. They are arranged along the upper and lower surfaces of the section 10. Note that the constriction of the rotating body 11 is a partition. It is engaged with the hole 10a of the portion 10.

[0008] This adapter 7 includes a power converter 15 that converts the rotational motion of the motor 3 into reciprocating motion. is installed. This power conversion section 15 is formed into a band shape, for example, and has one end. A base portion 16 having a slit 16a extending from the top to the other end, and a slit 16a on the other end of the base portion 16 A first boss 17 having a cylindrical or prismatic shape integrally formed on the surface, and a base portion 16 A shaft that is integrally formed on the lower surface of the other end and has a concave portion having the same external shape as the fixed shaft 10b. It is composed of a receiving part 18. Note that the first boss 17 and the bearing portion 18 are on the same axis. It is arranged so that. This power converter 15 is fixed to the adapter 7. The fixed shaft 10b and the bearing portion 18 are engaged, and the protrusion 14 is engaged with the slit 16a. It is attached so that it can be

[0009] A lid 19 is attached to the upper opening of the adapter 7. This lid body 19 is formed, for example, in the shape of a disk, and the first boss 17 passes through the outer periphery. A convex portion 21 corresponding to the concave portion 9a is formed on the hole 20 and the lower surface of the outer periphery. . The toothbrush unit 22 is detachably attached to the first boss 17. has been done. This toothbrush unit 22 has a shaft 23 made of resin and a side surface of one end of the shaft 23. The brush 24 is installed at The connecting portion 25 is composed of a concave portion having the same shape.

0010 FIG. 5 is a cross-sectional view of a main part showing another embodiment of the present invention, and shows the base of the power conversion section 15. - A projection is formed on the lower surface of the other end of the base portion 16, and a projection with a smaller diameter is formed on the lower end of the projection. Two bosses 26 are integrally formed. Note that this second boss 26 is the same as the first boss. It is formed on the same axis as 17. This second boss 26 is connected to the adapter 7 It is inserted into and engaged with the hole 10c formed in the partition part 10 of No. 1.

[0011] FIG. 6 is a side sectional view showing another embodiment of the present invention, in which the motor shaft of the device main body 1 is An inner cutter unit 27 is attached to 3a. This inner blade unit 27 is made of wood, for example. The connection between the base part 28 made of fat and the shaft 3a integrally formed on the lower surface of the base part 28 It is composed of a joint part 29 and a plurality of inner cutters 30 fixed to the upper surface of the base part 28. There is. On the other hand, an outer cutter unit 31 is attached to the engaging portion 5 of the device body 1. outside of this The blade unit 31 includes, for example, a cylindrical main body 32 and an opening at the other end of the main body 32. It is composed of an outer cutter 33 stretched in a shape that follows the blade 30. Furthermore, the outer blade A plurality of small holes are formed in 33.

0012 Next, the operation will be explained with reference to FIGS. 1 to 4. First, the power source (not shown) When the switch is closed, the motor 3 is driven, and the shaft 3a rotates accordingly. shaft The disk portion 13 of the rotating body 11 coupled to the rotor 3a via the coupling portion 12 also rotates. disc As the portion 13 rotates, the protrusion 14 rotates while maintaining engagement with the slit 16a. . For this reason, the base portion 16 of the power converter 15 changes from the solid line state as shown in FIG. In the direction of the arrow, the joint between the fixed shaft 10b and the bearing part 18 is used as the pivot part, and the reciprocating movement Ru. This reciprocating motion is transmitted to the toothbrush unit 22 via the first boss 17. That is, by coupling the first boss 17 and the shaft 23, the shaft 23 and the brush 24 are arranged as shown in FIG. It moves back and forth in the direction of the arrow as shown. Therefore, insert the brush 24 into your mouth and brush your teeth. You can also brush your teeth by applying it to your gums. Also, if you want to use this electric device as an electric razor, from the device body 1 Remove the adapter 7 (toothbrush unit 22) and insert the razor as shown in Figure 6. By attaching the unit, you can easily use it as an electric razor.

[0013] It should be noted that the present invention is not limited to the above-mentioned embodiments; for example, it can be applied to Conversion to backward motion is achieved by the engagement of the protrusion of the rotating body with the slit in the base, as well as by the The part is shaped like a rod and biased in one direction by a spring, and the protrusion of the rotating body moves the base part. It can also be moved back and forth. In addition, the mounting structure between the device body and the adapter is screwed. In addition to this, it is also possible to adopt an insertion structure using a claw or the like. Furthermore, the smell of rotating objects In addition to integrally molding the connecting part and the disc part, they can also be made separately and integrally attached to the partition part from the top and bottom sides. It can also be assembled.

[0014]

[Effect of the idea]

As described above, according to the present invention, the device main body 1 is used as a common component, and the The purpose can be easily changed by changing the unit used. Therefore, It can be made compact and can be used as a portable item when traveling.

[Brief explanation of drawings]

FIG. 1 is a side sectional view showing an embodiment of the present invention.

FIG. 2 is a side sectional view showing an exploded state of FIG. 1;

FIG. 3 is a plan view of essential parts for explaining a state in which rotational motion is converted into reciprocating motion.

FIG. 4 is a plan view showing the operating state of the toothbrush unit.

FIG. 5 is a side sectional view of main parts showing another embodiment of the present invention.

FIG. 6 is a side sectional view showing a state in which the toothbrush unit has been replaced with a razor unit.

[Explanation of symbols]

1 Equipment body 3 motor 3a axis 7,71 adapter 11 Rotating body 12 Joint part 13 Disc part 14 Protrusion 15 Power converter 16 Base part 16a slit 17 Boss 19 Lid body 22 Toothbrush unit 23 axis 24 Brush 25 Joint part

Claims (4)

[Scope of utility model registration request] Claim 1: A device body in which a motor is arranged inside a case so that its rotating shaft is led out of the case, a connecting part to the rotating shaft of the motor, and a motor. A conversion part that converts the rotary motion of the shaft into reciprocating motion, a motion direction conversion function part that has a boss that outputs the reciprocating motion, a brush at one end of the shaft, a coupling part at the other end, and the coupling part converts the motion direction. and a toothbrush unit coupled to the boss of the functional section, and the motion direction conversion functional section is mounted on the main body of the device such that the coupling section is detachably coupled to the rotating shaft of the motor. electrical equipment. 2. The movement direction conversion function section includes a disk section having a protrusion on one side of the adapter body with the partition section interposed therebetween, and a coupling section for coupling to the rotating shaft of the motor on the other side. At the same time, a rotating body in which the disc part and the coupling part are integrated, a slit for inserting the protrusion of the rotating body in the band-shaped base part, and a first boss is formed at the end excluding the slit, and 1st
2. The electrical device according to claim 1, further comprising a power converting section having a central axis of the boss as an axis of reciprocating motion. 3. The electric device according to claim 1, wherein a motor and a battery are housed in a case of the device main body. 4. A device body in which a motor is arranged inside a case so that its rotating shaft is led out of the case, and a motor is arranged on one side of a base part. The connecting part to the rotating shaft is provided with an inner cutter unit having an inner cutter on the other side and an outer cutter unit having an outer cutter formed at one end of the main body part to follow the rotational surface of the inner cutter, An electrical device characterized by being equipped with an inner blade unit and an outer blade unit.