KR101337308B1 - Low vibrattion spindle structure of the handpiece - Google Patents

Low vibrattion spindle structure of the handpiece Download PDF

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Publication number
KR101337308B1
KR101337308B1 KR1020120038373A KR20120038373A KR101337308B1 KR 101337308 B1 KR101337308 B1 KR 101337308B1 KR 1020120038373 A KR1020120038373 A KR 1020120038373A KR 20120038373 A KR20120038373 A KR 20120038373A KR 101337308 B1 KR101337308 B1 KR 101337308B1
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South Korea
Prior art keywords
bearing
shaft
spindle
rotating shaft
sides
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KR1020120038373A
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Korean (ko)
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KR20130115761A (en
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이종건
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(주)마이크로엔엑스
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/18—Flexible shafts; Clutches or the like; Bearings or lubricating arrangements; Drives or transmissions
    • A61C1/181—Bearings or lubricating arrangements, e.g. air-cushion bearings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/06—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with electric drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
    • A61C1/142—Operating tool blocking means
    • A61C1/144—Operating tool blocking means constricting the operating tool, e.g. chuck
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
    • A61C1/147—Tool-holders, i.e. operating tool holders, e.g. burr holders in a straight handpiece

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Surgical Instruments (AREA)

Abstract

본 발명은 손으로 파지 가능하도록 각각 결합되어 봉 형태로 케이스부를 포함하여 구성되고 케이스부의 내부에 삽입되어 회전력을 발생시키는 모터 및 모터의 회전력을 전달되도록 모터의 전방방향으로 연장형성되는 구동축으로 구성되는 구동부를 포함하여 구성되는 핸드피스의 저진동 스핀들구조에 있어서, 상기 구동부의 구동축과 연결되어 회전력이 전달되도록 연결축이 구비되고 연결축과 결합되어 회전하는 회전축이 설치되며 회전축으로부터 전방방향으로 척하우징이 연장형성되고 척하우징의 선단에 결합되어 척하우징의 회전과 동시에 연동되게 설치되는 콜렛척으로 구성되는 스핀들부;와 상기 스핀들부의 회전축 외부를 감싸도록 끼워져 지지하는 프론트베어링이 구비되며 회전축에 회전력을 전달하는 구동부의 구동축 외부를 감싸도록 끼워져 지지하도록 구비되는 리어베어링으로 구성되는 베어링부;와 상기 베어링부의 프론트베어링과 리어베어링이 양측의 내부로 각각 수용하여 고정되도록 원통형태로 형성되어 설치되는 베어링고정커버;로 이루어지되, 상기 구동부의 구동축과 스핀들부의 회전축 외부를 감싸도록 끼워져 지지토록 구비되는 베어링부의 프론트베어링과 리어베어링이 걸림되도록 구동축과 회전축에 각각 걸림턱이 형성되고, 상기 베어링고정커버의 양측 내부로 각각 수용되는 베어링부의 프론트베어링과 리어베어링이 베어링고정커버의 양측 내부에 각각 고정되도록 양측 내부에 각각 고정턱이 형성됨을 특징으로 한다.The present invention is configured to include a case portion in the form of a rod coupled to each other to be gripped by hand and is formed of a drive shaft which is inserted into the case portion to generate a rotational force and extending in the front direction of the motor to transmit the rotational force of the motor In the low vibration spindle structure of the handpiece comprising a drive unit, the connection shaft is provided to be connected to the drive shaft of the drive unit and the rotational force is transmitted, and the rotating shaft is installed in combination with the connecting shaft to rotate and the chuck housing is moved forward from the rotating shaft. A spindle portion formed of a collet chuck extended and coupled to the distal end of the chuck housing and interlocked at the same time as the rotation of the chuck housing; and a front bearing supporting the outer portion of the spindle portion to support the spindle, and transmitting rotational force to the rotating shaft. To surround the outside of the drive shaft Consists of a bearing portion consisting of a rear bearing is provided to support the bearing; and a bearing fixing cover formed in a cylindrical shape so that the front bearing and the rear bearing of the bearing portion are respectively accommodated and fixed inside the two sides. Engaging jaws are formed on the driving shaft and the rotating shaft so that the front bearing and the rear bearing of the bearing portion are inserted to cover the outer side of the rotating shaft of the driving shaft and the spindle, and the front bearings are respectively accommodated in both sides of the bearing fixing cover. And a fixing jaw is formed in each of the two sides such that the rear bearings are fixed to both sides of the bearing fixing cover, respectively.

Description

핸드피스의 저진동 스핀들구조{LOW VIBRATTION SPINDLE STRUCTURE OF THE HANDPIECE}LOW VIBRATTION SPINDLE STRUCTURE OF THE HANDPIECE}

본 발명은 핸드피스의 저진동 스핀들구조에 관한 것으로서, 특히 핸드피스의 구동부에 의해 회전되는 모터와 콜렛척의 척하우징이 연동되어 고속회전시 진동이 발생되지 않도록 구동부의 구동축과 스핀들부의 회전축 외부를 감싸도록 끼워져 구비되는 베어링부가 각각 구동축과 회전축을 지지되도록 잡아줌으로써 구조적으로 안정되고 견고한 내구성을 가지게 되어 진동과 소음이 적어 섬세한 작업이 가능한 핸드피스의 저진동 스핀들구조에 관한 것이다.The present invention relates to a low vibration spindle structure of a handpiece, in particular, so that the motor rotated by the driving unit of the handpiece and the chuck housing of the collet chuck are interlocked so as to surround the outside of the drive shaft of the drive unit and the rotating shaft of the spindle unit so that vibration does not occur during high speed rotation. It is related to the low vibration spindle structure of the handpiece, which has a structurally stable and durable durability by holding the driving shaft and the rotating shaft to be supported so as to support each other.

일반적으로 핸드피스는 사용자가 손으로 정밀하게 작업할 수 있는 일에 사용되는 것이며, 치과 병원에서 인체의 치아를 절삭, 연마하기 위한 치과기공용, 금과 같은 보석을 가공하기 위한 세공용, 인체의 손톱 등을 예쁘게 다듬질하기 위한 네일 아트용 등으로 사용되는 공구로서 그 특징은 정밀가공을 위해 진동이 적고, 섬세한 작업이 가능할 정도로 소형이어야 하며, 고장시 수리가 용이하여야 한다.In general, the handpiece is used to work precisely with the user's hand, the dental laboratory for cutting and grinding the teeth of the human body in the dental clinic, the handwork for processing jewelry such as gold, the human body It is a tool used for nail art, etc. to trim the nails neatly, and its features must be small enough for precise processing, small enough to allow delicate work, and easy to repair in case of failure.

이러한 핸드피스의 종래 구성은 도 1에 도시된 바와 같이 회전하면서 작업을 수행하는 스핀들부(200)와, 상기 스핀들부(200)가 회전되도록 동력을 공급하는 모터(110)를 구비한 구동부(100)로 구성된다.The conventional configuration of such a handpiece is a drive unit 100 having a spindle unit 200 for performing work while rotating as shown in FIG. 1, and a motor 110 for powering the spindle unit 200 to rotate. It is composed of

상기 스핀들부(200)는 단부에는 가공에 필요한 공구를 물어주는 콜렛척(250)과, 상기 콜렛척(250)을 지지하는 척하우징(240)을 구비하며, 상기 척하우징(240)의 외부에는 베어링(310)이 끼워져 있어 회전시 척하우징(240)을 지지하게 된다.The spindle unit 200 has a collet chuck 250 that asks a tool necessary for processing, and a chuck housing 240 that supports the collet chuck 250 at an end thereof, and is disposed outside the chuck housing 240. The bearing 310 is fitted to support the chuck housing 240 during rotation.

그런데 이 경우 척하우징(240)의 일부분만 베어링(310)에 의해 지지하게 되어 고속회전하는 구동부와 연결축에 진동 및 소음이 발생하여 작업자에게 불쾌감을 야기시키며 정밀가공을 할 수 없는 문제점이 있었다.However, in this case, only a part of the chuck housing 240 is supported by the bearing 310, causing vibration and noise to the drive unit and the connecting shaft which rotates at high speed, causing inconvenience to the operator, and there is a problem in that precision machining cannot be performed.

본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위하여 발명된 것으로서, 본 발명의 목적은 고속으로 회전하는 구동부와 연결되는 스핀들부가 연동되어 회전시 발생되는 진동과 소음이 발생되지 않도록 스핀들부의 회전축에 프론트베어링과 구동부의 구동축에 리어베어링을 각각 삽입하여 지지토록 구비하고, 프론트베어링과 리어베어링의 이탈을 방지하기 위해 양측의 내부로 각각 수용하여 고정되도록 베이링고정커버를 설치하여 구성함으로써, 베어링고정커버에 고정된 프론트베어링과 리어베어링이 회전축과 구동축을 지지하여 고속회전시 진동 및 소음의 발생을 억제하는 핸드피스의 저진동 스핀들구조를 제공하는데 그 목적이 있다.The present invention has been invented to solve the problems of the prior art as described above, an object of the present invention is to rotate the spindle unit connected to the drive unit to rotate at high speed in order to prevent the vibration and noise generated during the rotation of the spindle shaft The bearings are fixed by inserting the rear bearings into the driving shafts of the front bearings and the driving unit to support them, and by installing the bearing fixing covers so as to be received and fixed inside the two sides to prevent the front bearings and the rear bearings from being separated. It is an object of the present invention to provide a low vibration spindle structure of a handpiece in which a front bearing and a rear bearing fixed to a cover support a rotating shaft and a driving shaft to suppress the generation of vibration and noise during high speed rotation.

상기와 같은 목적을 실현하기 위하여, 본 발명은 손으로 파지 가능하도록 각각 결합되어 봉 형태로 케이스부를 포함하여 구성되고 케이스부의 내부에 삽입되어 회전력을 발생시키는 모터 및 모터의 회전력을 전달되도록 모터의 전방방향으로 연장형성되는 구동축으로 구성되는 구동부를 포함하여 구성되는 핸드피스의 저진동 스핀들구조에 있어서, 상기 구동부의 구동축과 연결되어 회전력이 전달되도록 연결축이 구비되고 연결축과 결합되어 회전하는 회전축이 설치되며 회전축으로부터 전방방향으로 척하우징이 연장형성되고 척하우징의 선단에 결합되어 척하우징의 회전과 동시에 연동되게 설치되는 콜렛척으로 구성되는 스핀들부;와 상기 스핀들부의 회전축 외부를 감싸도록 끼워져 지지하는 프론트베어링이 구비되며 회전축에 회전력을 전달하는 구동부의 구동축 외부를 감싸도록 끼워져 지지하도록 구비되는 리어베어링으로 구성되는 베어링부;와 상기 베어링부의 프론트베어링과 리어베어링이 양측의 내부로 각각 수용하여 고정되도록 원통형태로 형성되어 설치되는 베어링고정커버;로 이루어지되, 상기 구동부의 구동축과 스핀들부의 회전축 외부를 감싸도록 끼워져 지지토록 구비되는 베어링부의 프론트베어링과 리어베어링이 걸림되도록 구동축과 회전축에 각각 걸림턱이 형성되고, 상기 베어링고정커버의 양측 내부로 각각 수용되는 베어링부의 프론트베어링과 리어베어링이 베어링고정커버의 양측 내부에 각각 고정되도록 양측 내부에 각각 고정턱이 형성됨을 특징으로 하는 핸드피스의 저진동 스핀들구조를 제공한다.In order to realize the above object, the present invention is configured to include a case portion in the form of rods are coupled to each other to be gripped by hand and inserted into the case portion to generate a rotational force and the front of the motor to transmit the rotational force of the motor In the low vibration spindle structure of the handpiece comprising a drive unit consisting of a drive shaft extending in the direction, the connection shaft is provided to be connected to the drive shaft of the drive unit and the rotational force is transmitted, the rotary shaft is coupled to the connection shaft and installed And a spindle unit comprising a collet chuck which is extended from the rotary shaft in a forward direction and is coupled to the front end of the chuck housing and is installed in synchronization with the rotation of the chuck housing; Bearing is provided and transmits rotational force to the rotating shaft Is a bearing part consisting of a rear bearing provided to be inserted and supported to surround the drive shaft outside of the driving part; and a bearing fixing cover formed and installed in a cylindrical shape so that the front bearing and the rear bearing of the bearing part are respectively accommodated and fixed inside the two sides. It consists of; but the locking jaw is formed on the drive shaft and the rotating shaft so that the front bearing and the rear bearing of the bearing portion is inserted to surround the drive shaft of the drive unit and the rotating shaft of the spindle is supported so as to be engaged, both sides of the bearing fixing cover It is to provide a low vibration spindle structure of the handpiece, characterized in that the fixing jaw is formed in each of the two sides so that the front bearing and the rear bearing are respectively accommodated in the bearing fixing cover.

이와 같이 이루어지는 본 발명에 의한 핸드피스의 저진동 스핀들구조는 고속회전하는 스핀들부의 회전축에 프론트베어링과 구동부의 구동축에 리어베어링을 각각 외부를 감싸도록 끼워져 지지함으로써, 진동 및 소음의 발생을 억제하여 저진동 및 저소음으로 인해 작업자의 불쾌감을 감소시키고 고속회전이 가능하여 섬세한 정밀가공을 할 수 있는 이점이 있다.The low vibration spindle structure of the handpiece according to the present invention comprises a front bearing and a rear bearing mounted on the drive shaft of the drive unit so as to surround the outside, respectively, to suppress the generation of vibration and noise by suppressing the occurrence of vibration and noise. Due to the low noise, it is possible to reduce the discomfort of the operator and to enable high-speed rotation to perform delicate precision processing.

또한 따로 공구가 필요없이 분해조립이 용이하여 수리가 간편해 작업자의 편의를 도모하여 작업능률을 향상시킬 수 있는 이점이 있다.In addition, it is easy to disassemble and assemble without the need for a tool, and thus, there is an advantage of improving work efficiency by facilitating convenience of the operator.

도 1은 종래기술의 측단면도,
도 2는 본 발명에 의한 핸드피스의 저진동 스핀들구조의 측단면도,
도 3은 본 발명에 의한 사시도,
도 4는 도 3의 분리상태 사시도,
도 5는 본 발명의 부분 측단면도이다.1 is a side cross-sectional view of the prior art,
Figure 2 is a side cross-sectional view of a low vibration spindle structure of the handpiece according to the present invention,
3 is a perspective view of the present invention;
Figure 4 is a perspective view of the separated state of FIG.
5 is a partial side cross-sectional view of the present invention.

이하 본 발명의 실시를 위한 구체적인 내용을 첨부한 도면을 참조하여 더욱 상세하게 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2 내지 도 5를 함께 참조하여 보면 본 발명에 의한 핸드피스의 저진동 스핀들구조는 손으로 파지 가능하도록 각각 결합되어 봉 형태로 케이스부(2)와, 케이스부(2)의 내부에 삽입되어 회전력을 발생시키는 구동부(10)를 포함하여 구성되는 핸드피스의 저진동 스핀들구조에 있어서, 상기 구동부(10)와 연결되어 구동부(10)의 회전력을 전달받아 회전되는 스핀들부(20)와 상기 상기 구동부(10)와 스핀들부(20) 각각의 외부를 감싸도록 끼워져 지지토록 구성되는 베어링부(30)와 상기 베어링부(30) 각각이 양측의 내부로 각각 수용하여 고정되도록 설치되는 베어링고정커버(40)로 이루어진다.With reference to Figures 2 to 5 together the low vibration spindle structure of the handpiece according to the present invention are coupled so as to be gripped by hand respectively inserted into the case part 2 and the case part 2 in the form of a rod and rotational force In the low vibration spindle structure of the handpiece comprising a drive unit for generating a 10, the spindle unit 20 and the drive unit is connected to the drive unit 10 is rotated by receiving the rotational force of the drive unit 10 10) and the bearing fixing cover 40 installed to receive and fix each of the bearing portion 30 and the bearing portion 30, which are inserted to surround the outside of each of the spindle portion 20 and each of the bearing portions 30, respectively. Is made of.

상기 핸드피스의 저진동 스핀들구조는 도 3 내지 도 4에서와 같이 외부의 전원과 연결되어 회전하는 모터(11)가 내장된 구동부(10)를 구비하고, 구동부(10)에서 발생되는 회전력이 전달되게 모터(11)의 중심부로부터 돌출되는 구동축(12)을 형성하며, 구동축(12)이 원활하게 회전할 수 있도록 구동축(12)의 외부를 감싸도록 끼워져 지지되게 리어베어링(32)을 설치하고, 리어베어링(32)이 구동축(12)에 끼워져 걸림되게 구동축(12)에 걸림턱(13)을 형성한다.The low vibration spindle structure of the handpiece has a driving unit 10 in which a motor 11 that is connected and connected to an external power source is rotated as shown in FIGS. 3 to 4, and the rotational force generated by the driving unit 10 is transmitted. The drive shaft 12 protruding from the center of the motor 11 is formed, and the rear bearing 32 is installed to be inserted and supported to surround the outside of the drive shaft 12 so that the drive shaft 12 can rotate smoothly. The locking jaw 13 is formed on the drive shaft 12 such that the bearing 32 is fitted to the drive shaft 12.

이때 상기 리어베어링(32)이 구동축(12)을 감싸도록 끼워져 회전시 떨림으로 인해 진동이 발생되지 않도록 지지하며, 구동축(12)의 구조적인 강도를 증가시켜 허용응력 이상의 하중을 받았을 경우에도 구동축(12)의 변형을 막아주게 된다.At this time, the rear bearing 32 is inserted to surround the drive shaft 12 to support the vibration not to be generated due to the vibration during rotation, and to increase the structural strength of the drive shaft 12 even when receiving a load greater than the allowable stress ( 12) to prevent deformation.

상기 구동부(10)에서 발생되는 회전력이 전달되도록 연결축(21)의 일측으로부터 내부로 구동축(12)을 삽입되게 설치하며, 연결축(21)의 타측으로부터 내부로 회전축(22)을 삽입시켜 설치함으로써, 구동부(10)로부터 발생되는 회전력을 전달받아 회전축(22)으로부터 전방방향으로 연장되어 형성되는 척하우징(24)과 척하우징(24)의 선단에 결합되어 척하우징(24)의 회전과 동시에 연동되는 콜렛척(25)을 구성하는 스핀들부(20)를 회전하게 한다.The drive shaft 12 is installed to be inserted from one side of the connecting shaft 21 into the inside so that the rotational force generated by the drive unit 10 is transmitted, and the rotating shaft 22 is inserted into the installed shaft from the other side of the connecting shaft 21. As a result, the rotary force generated from the driving unit 10 is transmitted to the front end of the chuck housing 24 and the chuck housing 24 which are formed extending in the forward direction from the rotation shaft 22 and simultaneously with the rotation of the chuck housing 24. The spindle unit 20 constituting the interlocking collet chuck 25 is rotated.

그리고 상기 스핀들부(20)의 원활하게 회전할 수 있도록 회전축(22)의 외부를 감싸도록 끼워져 지지되게 프론트베어링(31)을 설치하고, 회전축(22)에 프론트베어링(31)이 끼워져 걸림되도록 회전축(22)에 걸림턱(23)을 형성한다.And the front bearing 31 is installed so as to be fitted to surround the outside of the rotating shaft 22 so as to smoothly rotate the spindle unit 20, the rotating shaft 22 is fitted with the front bearing 31 is fitted to the rotating shaft The engaging jaw 23 is formed in the 22.

또한 프론트베어링(31)이 회전축(22)을 지지함으로써, 회전시 떨림으로 인해 진동이 발생되지 않게 방지하고, 회전축(22)의 구조적인 강도를 증가시켜 허용응력 이상의 하중을 받았을 경우에도 회전축(22)의 변형을 막아주게 된다.In addition, the front bearing 31 supports the rotating shaft 22, thereby preventing vibration from occurring due to vibration during rotation, and increasing the structural strength of the rotating shaft 22, even when the load is greater than the allowable stress. ) To prevent deformation.

도 5에서와 같이 구동축(12)과 회전축(22)의 외부에 각각 끼워져 지지하는 프론트베어링(31)과 리어베어링(32)의 베어링부(30)를 지지 및 이탈이 방지하기 위해 프론트베어링(31)과 리어베어링(32)이 각각 양측 내부로 수용되도록 형성되는 베어링고정커버(40)를 원통형태로 형성하여 베어링부(30)의 외부에 감싸도록 설치한다.As shown in FIG. 5, the front bearing 31 supports the bearing portion 30 of the front bearing 31 and the rear bearing 32 which are fitted to and supported by the outside of the driving shaft 12 and the rotating shaft 22, respectively. ) And the rear bearing 32 are formed to have a cylindrical bearing bearing cover 40 is formed so as to be accommodated into both sides inside to surround the outside of the bearing portion (30).

이때 상기 베어링고정커버(40)의 양측 내부에 각각 고정턱(41)이 형성하여 베어링고정커버(40)의 양측 내부로 수용되는 각각의 프론트베어링(31)과 리어베어링(32)의 일측부가 고정턱(41)에 고정되어 베어링부(30)를 지지하며 이탈을 방지한다.At this time, the fixing jaw 41 is formed in each of the both sides of the bearing fixing cover 40 so that one side of each of the front bearing 31 and the rear bearing 32 accommodated in both sides of the bearing fixing cover 40 is fixed. It is fixed to the jaw 41 to support the bearing portion 30 and to prevent the departure.

상기와 같이 베어링부(30)가 스핀들부(20)의 회전축(22)과 구동부(10)의 구동축(12)을 각각 지지함으로써, 진동 및 소음의 발생을 억제하여 저진동 및 저소음으로 인해 작업자의 불쾌감을 감소시키고, 저진동 및 저소음으로 고속회전이 가능하여 섬세한 정밀가공을 할 수 있게 된다.As described above, the bearing unit 30 supports the rotation shaft 22 of the spindle unit 20 and the driving shaft 12 of the driving unit 10, respectively, thereby suppressing the occurrence of vibration and noise, and thus causing discomfort of the operator due to low vibration and low noise. High speed rotation with low vibration and low noise enables delicate precision processing.

또한 각각의 케이스부(2)가 암나사부와 수나사부로 나누어진 결합구조로 되어있어 베어링부(30)를 교체시 따로 공구가 필요없이 손쉽게 케이스부(2)를 분해시켜 베어링부(30)를 교체할 수 있다.In addition, each case part 2 has a coupling structure divided into a female threaded portion and a male threaded portion so that when replacing the bearing portion 30, the case portion 2 can be easily disassembled to replace the bearing portion 30 without the need for a tool. can do.

2 : 케이스부 10 : 구동부
11 : 모터 12 : 구동축
13 : 걸림턱 20 : 스핀들부
21 : 연결축 22 : 회전축
23 : 걸림턱 24 : 척하우징
30 : 베어링부 31 : 프론트베어링
32 : 리어베어링 40 : 베어링고정커버
41 : 고정턱2: case portion 10: driving portion
11 motor 12 drive shaft
13: latching jaw 20: spindle part
21: connecting shaft 22: rotating shaft
23: Jam Jaw 24: Chuck Housing
30: bearing 31: front bearing
32: rear bearing 40: bearing fixing cover
41: fixed jaw

Claims (3)

손으로 파지 가능하도록 각각 결합되어 봉 형태로 케이스부(2)를 포함하여 구성되고 케이스부(2)의 내부에 삽입되어 회전력을 발생시키는 모터(11) 및 모터(11)의 회전력을 전달되도록 모터(11)의 전방방향으로 연장형성되는 구동축(12)으로 구성되는 구동부(10)를 포함하여 구성되는 핸드피스의 저진동 스핀들구조에 있어서,
상기 구동부(10)의 구동축(12)과 연결되어 모터(11)의 회전력이 전달되도록 연결축(21)이 구비되고, 연결축(21)과 결합되어 회전하는 회전축(22)이 설치되며, 회전축(22)으로부터 전방방향으로 척하우징(24)이 연장형성되고, 척하우징(24)의 선단에 결합되어 척하우징(24)의 회전과 동시에 연동되게 설치되는 콜렛척(25)으로 구성되는 스핀들부(20);
상기 스핀들부(20)의 회전축(22) 외부를 감싸도록 끼워져 지지하는 프론트베어링(31)이 구비되며, 회전축(22)에 회전력을 전달하는 구동부(10)의 구동축(12) 외부를 감싸도록 끼워져 지지하도록 구비되는 리어베어링(32)으로 구성되는 베어링부(30);
상기 베어링부(30)의 프론트베어링(31)과 리어베어링(32)이 양측의 내부로 각각 수용하여 고정되도록 원통형태로 형성되어 설치되는 베어링고정커버(40);
로 이루어지되,
상기 구동부(10)의 구동축(12)과 스핀들부(20)의 회전축(22) 외부를 감싸도록 끼워져 지지토록 구비되는 베어링부(30)의 프론트베어링(31)과 리어베어링(32)이 걸림되도록 구동축(12)과 회전축(22)에 각각 걸림턱(13,23)이 형성되고,
상기 베어링고정커버(40)의 양측 내부로 각각 수용되는 베어링부(30)의 프론트베어링(31)과 리어베어링(32)이 베어링고정커버(40)의 양측 내부에 각각 고정되도록 양측 내부에 각각 고정턱(41)이 형성됨을 특징으로 하는 핸드피스의 저진동 스핀들구조.Each of the motor 11 and the motor 11 are coupled to each other to be gripped by a hand and include a case part 2 in the form of a rod and inserted into the case part 2 to generate rotational force. In the low vibration spindle structure of the handpiece comprising a drive unit 10 composed of a drive shaft 12 extending in the forward direction of (11),
The connecting shaft 21 is connected to the driving shaft 12 of the driving unit 10 so that the rotational force of the motor 11 is transmitted, and the rotating shaft 22 which is coupled to the connecting shaft 21 to rotate is installed. Spindle part consisting of a collet chuck (25) which is extended from the front of the chuck housing (24) and coupled to the front end of the chuck housing (24) and installed in synchronization with the rotation of the chuck housing (24). 20;
The front bearing 31 is inserted and supported to surround the outside of the rotating shaft 22 of the spindle unit 20, and is inserted to surround the outside of the driving shaft 12 of the driving unit 10 that transmits rotational force to the rotating shaft 22. A bearing part 30 composed of a rear bearing 32 provided to support the bearing;
A bearing fixing cover 40 formed and installed in a cylindrical shape so that the front bearing 31 and the rear bearing 32 of the bearing part 30 are respectively accommodated and fixed to the inside of both sides;
Lt; / RTI >
The front bearing 31 and the rear bearing 32 of the bearing part 30, which are inserted to cover the outside of the driving shaft 12 of the drive unit 10 and the rotating shaft 22 of the spindle unit 20 and are supported to be engaged, are engaged. Locking jaws 13 and 23 are formed on the drive shaft 12 and the rotating shaft 22, respectively.
The front bearing 31 and the rear bearing 32 of the bearing part 30 respectively accommodated inside both sides of the bearing fixing cover 40 are fixed to both sides so as to be respectively fixed inside both sides of the bearing fixing cover 40. Low vibration spindle structure of the handpiece, characterized in that the jaw (41) is formed. 삭제delete 삭제delete
KR1020120038373A 2012-04-13 2012-04-13 Low vibrattion spindle structure of the handpiece KR101337308B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160082411A (en) 2014-12-30 2016-07-08 (주)마이크로엔엑스 Handpiece of high-speed rotation capable having low-vibration structure
KR20160080553A (en) * 2014-12-30 2016-07-08 (주)마이크로엔엑스 Slim handpiece of having light emitting means

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KR102176222B1 (en) * 2019-01-17 2020-11-09 김이수 Handpiece for nail art

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KR200359468Y1 (en) * 2004-05-27 2004-08-21 신정필 The structure of handpiece which is easy to replace a ball bearing
JP2011229921A (en) * 2010-04-27 2011-11-17 Kaltenbach & Voigt Gmbh Electric motor device for medical use, especially for dental handpieces, and dental instrument parts

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KR200359468Y1 (en) * 2004-05-27 2004-08-21 신정필 The structure of handpiece which is easy to replace a ball bearing
JP2011229921A (en) * 2010-04-27 2011-11-17 Kaltenbach & Voigt Gmbh Electric motor device for medical use, especially for dental handpieces, and dental instrument parts

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KR20160082411A (en) 2014-12-30 2016-07-08 (주)마이크로엔엑스 Handpiece of high-speed rotation capable having low-vibration structure
KR20160080553A (en) * 2014-12-30 2016-07-08 (주)마이크로엔엑스 Slim handpiece of having light emitting means
KR101653543B1 (en) 2014-12-30 2016-09-02 이종건 Handpiece of high-speed rotation capable having low-vibration structure
KR101663983B1 (en) 2014-12-30 2016-10-11 이종건 Slim handpiece of having light emitting means

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