KR101663983B1 - Slim handpiece of having light emitting means - Google Patents

Abstract

The present invention relates to a slim handpiece having a light emitting means, comprising: a case having a first case, a second case and a third case, each of which is formed into a cylindrical shape so as to be grasable by a hand and sequentially coupled from back to front; A supply part connected to the rear of the first case part of the case part to supply electric current, air and water to the case part; a rotator provided inside the case part to generate a rotational force by receiving a current from the supply part, A connecting shaft extending forward to the front side of the rotor is integrally formed with the rotor and a cylindrical core spaced apart from the outer circumference of the rotor to surround the rotor is provided, A plurality of through holes are formed in the inner side of the through hole from the front side to the rear side, A plurality of supply pipes for receiving the LEDs, and a plurality of supply pipes connected to the plurality of supply pipes, wherein the plurality of supply pipes are coupled to each other, The bearing is provided on the front and rear sides of the inner motor of the case part and is fitted to the rotor of the motor so that the rotor is axially rotated. The outer periphery of the bearing is formed to surround the outer circumferential surface of the bearing, And a plurality of through holes through which the motor supply pipe is inserted from a front side to a rear side and which are formed in a cylindrical shape in front of the third case of the case part and connected to each other, A cover for forming a chuck hole so as to penetrate through the opening; A wire inserted into the LED connection hole formed in the rear of the LED through the core of the motor and connected to supply current to the LED through the supply portion and an inner side spaced rearward from the front of the third case of the case, A protrusion formed on the inner side of the partition so as to be spaced apart from the outer circumferential edge of the connection axis of the motor so as to be inserted into the connection shaft, A plurality of through holes are formed on the outer side walls of the protrusions corresponding to the through holes of the support to supply and discharge the air and water supplied from the supply pace. An LED through hole corresponding to the LED is formed on one side of the through hole, The outer periphery of the LED is extended outward, and the front is closely attached to the rear of the LED through hole, The LED and the wiring are waterproofed so as to protect the LED and the wiring from the water. The air and the water supplied from the through hole are supplied to both sides of the chuck hole of the lid, And a plurality of LEDs and wiring lines are connected to the PCBs, respectively. The LEDs and the wires are connected to the printed circuit board.

Description

≪ Desc / Clms Page number 1 > Slim handpiece of having light emitting means &

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slim handpiece having light emitting means, and more particularly, to a slim handpiece having a light emitting means, and more particularly, It is possible to secure the operator's field of view and to form the LED connection hole for power supply of the LED to the core of the handpiece motor so that the additional space for power supply of the LED is not needed so that the handpiece is slim, To a slim hand piece having a light emitting means for facilitating grasping of the hand piece.

In general, handpieces are used for dental equipment used for cutting or polishing dental teeth, nail shop for nail art, nail art for nail care, and jewelery for processing jewelery. It is mainly used to process the object to be processed in the form desired by the user.

At this time, the operator using the handpiece continues the work by illuminating the object to be polished by using a lighting device or the like to finely polish the object to be polished.

However, when illuminating the object to be polished by using the above-described illuminating device, there is a problem that the angle of the illuminating device must be changed from time to time according to the object to be polished.

In order to solve the problems of the related art as described above, the main body of the illuminating device to be disengaged from the body of the dental medical device is made of at least one material selected from silicon, synthetic resin, rubber, and metal, And a battery, which is a power supply unit for supplying power, and a PCB for operating the socket, a reflection plate for reflecting light, a power supply unit for supplying power, and an operation switch unit for operating the lighting unit main body and a display Wherein the body of the dental medical device and the body of the illumination device are freely engaged and disengaged with the dental medical device, the dental medical device body and the illuminating device body being integrally formed with the upper casing and the lower casing, The coupling means and the shape of the lighting device main body coupled with the body may be a single- Wherein the medical device body and the lighting device are connected to each other by any one of coupling means, band type coupling, Java LASIK coupling, corrugated coupling, Velcro tape coupling, fit fit, spring fit, Which is detachable and attachable, is disclosed as disclosed in Japanese Patent Application Laid-Open No. 10-2013-0034068.

However, the above-described technique is a method of attaching and detaching the illumination device to the outside of the handpiece, which is a dental medical device, and has a problem in that it is not easy for the operator to grasp the handpiece. In addition, There is a problem that the work is not easy due to the power supply part when the worker performs the work.

Therefore, there is a demand for a slim hand piece having a light emitting means which solves the above-mentioned conventional problems.

Japanese Patent Application Laid-Open No. 10-2013-0034068

Disclosure of Invention Technical Problem [8] The present invention has been made in order to solve the problems of the related art as described above, and it is an object of the present invention to provide a handpiece which has LEDs supplied with power from a power source, It is possible to secure the operator's field of view and to form the LED connection hole for power supply of the LED to the core of the handpiece motor so that the additional space for power supply of the LED is not needed so that the handpiece is slim, And to provide a slim handpiece having a light emitting means for facilitating gripping of the handpiece.

In order to achieve the above-described object, the present invention provides a portable terminal comprising: a case part having a first case, a second case and a third case, each of which is formed into a cylindrical shape so as to be hand- A rotor connected to the rear of the first case to supply current, air, and water to the case; a rotator formed inside the case to generate a rotational force by receiving current from the supply unit; A connecting shaft extending forward to the front side is formed integrally with the rotor, a cylindrical core spaced apart from the outer circumference of the rotor to enclose the rotor is provided, and an inner side of the core spaced from the outer circumference of the core A plurality of through holes penetrating from the front to the back are formed, and the through holes are provided with air and water supplied from the supply portion And a collet chuck inserted into a connection shaft in front of a connection shaft of the motor. The collet chuck includes a plurality of supply pipes, The bearing is provided on each of the front and rear sides of the inner motor of the case and is fitted in the rotor of the motor so that the rotor rotates. The bearing is formed on the outer side of the bearing so as to surround the outer periphery of the bearing, And a plurality of through holes through which the motor supply pipe is inserted. The support member is formed in a cylindrical shape in front of the third case of the case portion and is connected to the motor case. An LED is inserted in the front inner side of the support, A wire inserted into an LED connection hole formed through a core of the motor and connected to supply an LED with a current supplied from a supply unit and a wiring provided to the front of the support in a rearwardly spaced- A protrusion is formed on the inner side of the partition wall so as to be spaced apart from the outer periphery of the connection shaft of the motor and inserted into the connection shaft, A plurality of through holes formed corresponding to the through holes of the support to supply and discharge the air and water supplied from the supply pace, an LED through hole corresponding to the LED is formed on one side of the through hole, And the front side is closely attached to the rear of the LED through hole and is discharged through the through hole. And the LED and the wiring are waterproofed so as to protect the LED and the wiring from the water. The air and water supplied from the through hole are discharged to the outside on both sides of the chuck hole of the cover, And a light emitting unit including a circular PCB formed in front of the support and a plurality of LEDs and wiring connected to the PCB, the long hole being formed from the front to the back so that the illumination generated from the LED is irradiated to the outside, Provides slim handpieces.

The slim handpiece having the light emitting means according to the present invention has a simple structure and conventionally has a problem that it is not easy for a worker to grasp a handpiece by attaching an illumination device to the outside of the handpiece, The power supply unit is additionally connected to the power supply unit so that the worker can not easily work due to the power supply unit in the work. The LED is provided inside the handpiece to receive power from the power supply unit, It is possible to secure the visibility of the operator smoothly when using the handpiece in the nail shop or the like, and the LED connection hole for supplying power of the LED is formed through the core of the handpiece motor so that the additional space for power supply of the LED is not needed, So that the operator can grasp the handpiece There are advantages to easy.

1 is an exploded perspective view of a slim handpiece having light emitting means according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1, a slim handpiece 2 having light emitting means according to the present invention includes a first case 11 formed in a cylindrical shape so as to be grasable by hand and sequentially coupled from back to front, (10) having a first case (12) and a third case (13) and a case (10) connected to the rear of the first case (11) of the case part A rotor 31 is provided inside the case 10 to supply a current from the supplying part 20 to generate a rotating force and is formed in a cylindrical shape, A connecting shaft 32 extending forwardly is integrally formed with the rotor 31 and a cylindrical core 33 formed to surround the rotor 31 and spaced apart from the outer periphery of the rotor 31 The core 33, which is spaced apart from the outer periphery of the core 33, A plurality of supply pipes 35 for supplying air and water from the supply unit 20 are coupled to the through holes 34 and a plurality of supply pipes 35 are connected to the cores A motor 30 having an LED connection hole 82 penetrating from the front side to the rear side is formed on the inside of the connection shaft 32 and a connection shaft 32 inserted in the connection shaft 32 in front of the connection shaft 32 of the motor 30 A collet chuck 40 and an inner motor 30 of the casing unit 10 and are respectively fitted to the inner side of the collet chuck 40 and fitted to the rotors 31 of the motor 30, The bearing 51 is formed on the outer side of the bearing 51 so as to surround the outer circumferential surface of the bearing 51 and is inserted from the front to the rear so that the supply pipe 35 of the motor 30 is inserted A support 50 formed with a plurality of through holes 52 formed in a cylindrical shape in front of a third case 13 of the case 10, And a chuck hole 71 corresponding to the connection shaft 32 of the motor 30 is formed on the inner side from the front side to the rear side. The LED 80 is inserted into the LED connection hole 82 formed in the core 33 of the motor 30 at the rear of the LED 80. The LED 80 is supplied with current from the supply unit 20, (Not shown).

First, a case 10 having a first case 11, a second case 12 and a third case 13, which are respectively formed in a cylindrical shape so as to be grasable by hand and are sequentially engaged from the back to the front .

At this time, on the outer circumferential surfaces of the first case 11, the second case 12 and the third case 13 provided in the case part 10, it is easy to grasp when the user uses the hand piece 2 It is preferable that a plurality of projections or grooves are formed to prevent a phenomenon such as slippage.

In addition, the case 10 may be formed as a cylindrical single object having front and rear openings. However, the case 10 may include a plurality of objects such as a first case 11, a second case 11, The case 12 and the third case 13 are preferable.

A partition wall 14 is formed on the inner side of the case 10 to be spaced rearwardly from the front of the third case 13 in correspondence to the front of the support 60 to fix the support 60, A protrusion 15 is formed on the inner side of the partition wall 14 so as to extend forward and is spaced apart from the outer periphery of the connection shaft 32 of the motor 30 so as to insert the connection shaft 32 therein. A plurality of through holes 16 formed corresponding to the through holes 52 of the support 60 for receiving and discharging the air and water supplied from the supply pails 35 are formed on the outer side walls 14 of the projections 15 And an LED through hole 83 corresponding to the LED 80 is formed at one side of the through hole 16.

The partition wall 14 serves to fix the front of the support 60 and has a plurality of through holes 16 for receiving and discharging air and water supplied from the supply pails 35, So that the air and the water are discharged, while the air and the water are prevented from flowing backward.

And a supply unit 20 connected to the rear of the first case 11 of the case unit 10 to supply current, air, and water to the case unit 10.

At this time, the supply unit 20 supplies current to the motor 30, which will be described later, and supplies air and water to the supply pipe 35.

Also, the supply unit 20 is provided with a fuse or the like (not shown) to prevent a current supplied to the motor 30 from flowing above a predetermined voltage, thereby preventing the motor 30 from being damaged.

A cylindrical rotor 31 is provided inside the case 10 to generate a rotating force by receiving a current from the supply unit 20 and a forwardly extending And a cylindrical core 33 formed integrally with the rotor 31 and spaced apart from the outer periphery of the rotor 31 so as to surround the rotor 31, A plurality of through holes 34 penetrating from the front to the back are formed on the inner side of the core 33 spaced from the outer periphery of the inlet 33 and the air and water are supplied to the through hole 34 from the supply portion 20 A motor 30 is provided with a plurality of supply pipes 35 and an LED connection hole 82 penetrating from the front to the rear inside the core 33 spaced apart from the through hole 34.

It is preferable that the motor 30 is provided with a high speed motor 30 which is operated at about 50,000 to 55,000 rpm by being supplied with current from the supply unit 20. When the motor 30 is operated at 50,000 rpm or less The teeth are not smoothly cut at the time of cutting the teeth using the handpiece 2 in the dentistry and when the motor 30 is operated at 55,000 rpm or more the heat is excessively generated in the motor 30 There is a problem.

The core 33 of the motor 30 is formed in the plurality of through holes 34 and the LED connection holes 82 so that the heat generated when the motor 30 is operated moves the air passing through the through holes 34 And an additional space is not formed in the handpiece 2 in order to supply current to the LED 80, which will be described later, while being cooled by the water, so that the handpiece 2 is advantageously slim.

And a collet chuck 40 inserted into the connecting shaft 32 in front of the connecting shaft 32 of the motor 30.

At this time, the collet chuck 40 is for clamping a tool for grinding, polishing, cutting or drilling a workpiece, and a tool of various diameters can be inserted in front of the collet chuck 40 for use.

Bearings 51 which are respectively provided on the front and rear sides of the inner motor 30 of the case portion 10 and which are fitted in the rotors 31 of the motor 30 to rotate the rotors 31, And a plurality of through holes 52 through which the supply pipe 35 of the motor 30 is inserted are formed on the outer side of the bearing 51 so as to surround the outer circumferential surface of the bearing 51, A support 50 (60) is formed.

The supports 50 and 60 are provided on both sides of the rotor 31 so that the rotors 31 are smoothly rotated about the axis of the rotor 30 and the support 60 provided on the front side of the motor 30, The LEDs 80 may be mounted on the display unit 100. [

A chuck hole 71 corresponding to the connection shaft 32 of the motor 30 is formed in the inner side of the case 13 in a cylindrical shape in front of the third case 13 of the case part 10, A cover 70 is formed.

Air and water supplied from the through holes 16 are discharged to the outside of the chuck hole 71 of the lid 70. The light emitted from the LED 80, which will be described later, A long hole 84 is formed.

An LED 80 is inserted into the front of the support 60 and inserted into an LED connection hole 82 formed through the core 33 of the motor 30 at the rear of the LED 80 And a wiring 81 for receiving a current from the supply unit 20 and supplying the current to the LED 80 is connected.

At this time, the outer circumference of the LED 80 is extended outwardly, and the front and rear of the LED through hole 83 are closely contacted with each other so that air and water discharged through the through hole 16 do not flow backward, (85) is formed.

It is preferable that the LED 80 and the wiring 81 are waterproofed so as to protect the LED 80 and the wiring 81 from the water.

A plurality of LEDs 80 and wirings 81 are mounted on a printed circuit board (PCB) 90 (PRINTED CIRCUIT BOARD) on the front side of the support 60, As shown in FIG.

At this time, the printed circuit board (PCB) 90 can connect a plurality of the LEDs 80 and the wirings 81 in a small space so that the brightness of the light It is possible to provide a plurality of LEDs 80 in a small space, thereby facilitating brightness control.

The slim handpiece 2 having the light emitting means according to the present invention has a simple structure and conventionally has an illuminating device attached to the outside of the handpiece 2 so that it is not easy for an operator to grasp the handpiece 2 And the power supply unit is additionally connected to supply power to the lighting apparatus, so that the worker is not easily able to work due to the power supply unit in the work, It is possible to secure the operator's field of view when the handpiece 2 is used in a dental or nail shop or the like where the handpiece 2 is mainly used and the handpiece 2 motor 30 It is possible to prevent the hand piece 2 from being slimmed because the additional space for power supply of the LED 80 is not needed by forming the LED connection hole 82 for supplying the power of the LED 80 to the core 33 of the LED 80. [ So that it is easy to advantage to an operator gripping the hand piece (2).

2: handpiece 10: case part
20: supply part 30: motor
40: Collet Chuck 50: Earth
60: ground 70: cover
80: LED 90: PCB

Claims (5)

(10) having a first case (11), a second case (12), and a third case (13) which are each formed into a cylindrical shape so as to be grasable by hand and are sequentially engaged from rear to front;
A supply part 20 connected to the rear of the first case 11 of the case part 10 to supply current, air and water to the case part 10;
A cylindrical rotor 31 is provided inside the case 10 to generate a rotating force by receiving a current from the supply unit 20 and a forwardly extending And a cylindrical core 33 formed integrally with the rotor 31 and spaced apart from the outer periphery of the rotor 31 so as to surround the rotor 31, A plurality of through holes 34 penetrating from the front to the back are formed on the inner side of the core 33 spaced from the outer periphery of the inlet 33 and the air and water are supplied to the through hole 34 from the supply portion 20 A motor 30 in which a plurality of supply pipes 35 are coupled and an LED connection hole 82 penetrating from the front to the rear is formed inside the core 33 separated from the through hole 34;
A collet chuck (40) inserted into the connecting shaft (32) in front of a connecting shaft (32) of the motor (30);
Bearings 51 which are respectively provided on the front and rear sides of the inner motor 30 of the case portion 10 and which are fitted in the rotors 31 of the motor 30 to rotate the rotors 31, And a plurality of through holes 52 through which the supply pipe 35 of the motor 30 is inserted are formed on the outer side of the bearing 51 so as to surround the outer circumferential surface of the bearing 51, A support (50) (60) formed;
A chuck hole 71 corresponding to the connection shaft 32 of the motor 30 is formed in the inner side of the case 13 in a cylindrical shape in front of the third case 13 of the case part 10, A cover 70 formed;
An LED 80 is inserted into the front of the support 60 and inserted into an LED connection hole 82 formed through the core 33 of the motor 30 at the rear of the LED 80, (81) connected to supply current to the LED (80) from the LED (20);
A partition wall 14 is formed on the inside of the case part 10 to be spaced rearwardly from the front of the third case 13 so as to correspond to the front of the support 60 to fix the support 60, A protrusion 15 is formed on the inner side of the protrusion 14 so as to extend forward and to be spaced apart from the outer circumference of the connection shaft 32 of the motor 30, A plurality of through holes 16 formed corresponding to the through holes 52 of the support 60 to receive and discharge the air and water supplied from the supply pails 35 are formed on the outer side walls 14 of the support 60, A LED through hole 83 corresponding to the LED 80 is formed at one side of the hole 16 and is extended outside at the outer circumference of the LED 80 and at the front of the LED through hole 83 And a catching protrusion 85 for preventing the air and water discharged through the through-hole 16 from flowing backward is formed, and the LED 8 0 and the wiring 81 are waterproofed so that the LED 80 and the wiring 81 are protected from the water and air and water supplied from the through hole 16 are supplied to both sides of the chuck hole 71 of the lid 70, An elongated hole 84 penetrating from the front to the rear so that the light emitted from the LED 80 is radiated to the outside;
And a plurality of LEDs 80 and wirings 81 are connected to the PCB 90 in the form of a circular plate PCB 90 in front of the support 60. In addition, Hand piece. delete delete delete delete

Images