CN208274635U - A kind of high efficiency dental handpiece - Google Patents

A kind of high efficiency dental handpiece Download PDF

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Publication number
CN208274635U
CN208274635U CN201721466840.2U CN201721466840U CN208274635U CN 208274635 U CN208274635 U CN 208274635U CN 201721466840 U CN201721466840 U CN 201721466840U CN 208274635 U CN208274635 U CN 208274635U
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China
Prior art keywords
gear
shell
head
elbow
transmission shaft
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CN201721466840.2U
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Chinese (zh)
Inventor
方家敢
刘宇
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Foshan Bai Shi De Medical Equipment Co ltd
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Foshan Bai Shi De Medical Equipment Co ltd
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Abstract

The utility model discloses a kind of high efficiency dental handpieces, including head, machine core housing, cartridge assemblies, transmission shaft component, elbow, shell and plug component;The machine core housing is fixedly mounted in head, and cartridge assemblies are rotatably installed in machine core housing;The cartridge assemblies include needle shell, push type needle shaft and vehicle needle;The elbow head is fixedly attached to head, and transmission shaft component is mounted in elbow, and the transmission shaft component includes driving sleeve and transmission shaft;The head of the shell is fixedly attached to the tail portion of elbow, and plug component is installed inside the shell, and the plug component includes gear shaft, gear bush and unplugg.The high efficiency dental handpiece uses machine driving speedup mode, it will not shut down due to by cutting resistance in rotation process, high revolving speed large torque can constantly be provided cuts oblique kinetic energy, the cutting of dental handpiece needed for fully meeting surgical requires, surgical work efficiency is improved, the pain of patient is reduced.

Description

A kind of high efficiency dental handpiece
Technical field
The utility model relates to the field of medical instrument technology, specifically a kind of high efficiency dental handpiece.
Background technique
Dental handpiece is also dental handpiece, and oral medical mobile phone is different from common mobile phone in life, is that the department of stomatology is dedicated Medical equipment is to grind the instrument of saprodontia bad tooth for cleaning dental calculus.Dental handpiece type is more, can according to revolving speed and structure It is divided into high speed handpiece and low speed mobile phone.Existing high-speed dental handpiece rotates band motor-car needle using turbine type fan blade and is cut, In the case of having resistance, mobile phone car needle can not be cut, and cause doctor in surgical procedure use process, and low efficiency, the time is long, The amount of labour of doctor is not only increased, and brings more pains to patient.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of high efficiency dental handpiece Problem.
To achieve the above object, the utility model provides the following technical solutions:
A kind of high efficiency dental handpiece, including head, machine core housing, cartridge assemblies, transmission shaft component, elbow, shell and pull out Connector assembly;The machine core housing is fixedly mounted in head, and cartridge assemblies are rotatably installed in machine core housing, and cartridge assemblies lower end is worn The bottom for crossing head extends outwardly, and handpiece tip is also equipped with rear case component;The cartridge assemblies include needle shell, push type needle shaft With vehicle needle, vehicle needle rear portion is plugged in push type needle shaft, and the bottom that front end passes through head extends outwardly, and the fixation of push type needle shaft is set It sets in needle shell, needle shell is rotatably installed in machine core housing;The elbow head is fixedly attached to head, and transmission shaft component is mounted on In elbow, the transmission shaft component includes driving sleeve and transmission shaft, and driving sleeve is fixedly mounted in elbow, transmission shaft rotation It is mounted in driving sleeve, transmission shaft front end is protruding to outside driving sleeve and is provided with second gear, and second gear front end extends To head, the axial line of the axial line and vehicle needle of transmission shaft is perpendicular, and the matched with second gear is arranged with outside needle shell One gear, and first gear and second gear Vertical Meshing;The head of the shell is fixedly attached to the tail portion of elbow, plug group Part is installed inside the shell, and the plug component includes gear shaft, gear bush and unplugg, and the gear bush is mounted on shell Interior, gear shaft is rotatably installed in gear bush, and gear shaft front end protrudes from gear bush and is equipped with third gear, transmission shaft Rear end is protruding to outside driving sleeve, and is driven shaft rear end and is offered multiple teeth matched with third gear along its even circumferential Slot;The gear shaft rear end is protruding to outside gear bush and connects unplugg.
As a further solution of the present invention: the rear case component is push type rear cover.
The needle shell upper and lower ends pass through first bearing and the second axis respectively as a further solution of the present invention, It holds and is rotatably installed in machine core housing.
As a further solution of the present invention, the head and tail portion of the transmission shaft pass through respectively 3rd bearing and Fourth bearing is rotatably installed in driving sleeve.
The elbow tail portion is provided with external screw thread as a further solution of the present invention, and case head is provided with The internal screw thread matched with the external screw thread is connected between shell and elbow by external screw thread and externally threaded cooperation.
The gear shaft is rotatably installed in gear bush by the 5th gear as a further solution of the present invention, It is interior.
The gear shaft is rotated by spaced two the 5th gears as a further solution of the present invention, It is mounted in gear bush.
The tooth socket is ramped shaped tooth socket shallow after preceding depth, gear bush as a further solution of the present invention, It is slidably installed inside the shell, adjusting screw rod is also equipped in the shell, be provided on gear bush outer wall and adjusting screw rod phase The screw rod set of cooperation.
The tail portion of the shell is also equipped with steel bushing as a further solution of the present invention,;The tail of the shell Portion is also installed by positioning seat.
It as a further solution of the present invention, further include optical fibre rod, optical fiber nose passes through shell and elbow prolongs Elbow front end is extended to, elbow front end offers the optic fibre hole matched with optical fibre rod, and optical fiber nose extends to the optic fibre hole It is interior.
Compared with prior art, the utility model has the beneficial effects that
Speed increasing mechanism, energy are formed between high efficiency dental handpiece middle gear axis, transmission shaft, second gear and the first gear Enough that slowly running for motor is changed into the high-speed rotation of vehicle needle, to carry out the cutting that runs at high speed with motor-car needle, this structure is adopted With machine driving speedup mode, it will not shut down due to by cutting resistance in rotation process, high revolving speed can be constantly provided Large torque cuts oblique kinetic energy, and the cutting of dental handpiece needed for fully meeting surgical requires, and improves surgical work efficiency, reduces The pain of patient.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of high efficiency dental handpiece.
Fig. 2 is the schematic diagram of internal structure of high efficiency dental handpiece.
In figure: 1- head, 2- machine core housing, 3- cartridge assemblies, 4- rear case component, 5- transmission shaft component, 6- elbow, outside 7- Shell, 8- optical fibre rod, 9- adjusting screw rod, 10- plug component, 11- sealing ring, 12- steel bushing, 13- first bearing, 14- push type needle Axis, 15- needle shell, 16- second bearing, 17- second gear, 18- 3rd bearing, 19- driving sleeve, 20- transmission shaft, 21- the 4th Bearing, 22- gear shaft, 23- gear bush, the 5th gear of 24-, 25- unplugg, 26- positioning seat, 27- vehicle needle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of high efficiency dental handpiece, including head 1, machine core housing 2, Cartridge assemblies 3, transmission shaft component 5, elbow 6, shell 7 and plug component 10;The machine core housing 2 is fixedly mounted in head 1, machine Core assembly 3 is rotatably installed in machine core housing 2, and 3 lower end of cartridge assemblies extends outwardly across the bottom of head 1, and 1 top of head is also Rear case component 4 is installed, rear case component 4 is used to block on 1 top of head, fall off out of head 1 to avoid cartridge assemblies 3, after The type of cap assemblies 4 is without restriction, in the present embodiment, it is preferred that the rear case component 4 is push type rear cover;The machine core group Part 3 includes needle shell 15, push type needle shaft 14 and vehicle needle 27, and 27 rear portion of vehicle needle is plugged in push type needle shaft 14, and front end passes through machine First 1 bottom extends outwardly, and push type needle shaft 14 is fixed in needle shell 15, and needle shell 15 is rotatably installed in machine core housing 2, makes Needle shell 15 can rotate in machine core housing 2, and then push type needle shaft 14 and vehicle needle 27 is enable to rotate in head 1, needle shell 15 Mounting means between machine core housing 2 is without restriction, in the present embodiment, it is preferred that 15 upper and lower ends of needle shell pass through respectively First bearing 13 and second bearing 16 are rotatably installed in machine core housing 2;
6 head of elbow is fixedly attached to head 1, and transmission shaft component 5 is mounted in elbow 6, the transmission shaft component 5 Including driving sleeve 19 and transmission shaft 20, driving sleeve 19 is fixedly mounted in elbow 6, and transmission shaft 20 is rotatably installed in transmission shaft In set 19,20 front end of transmission shaft is protruding to outside driving sleeve 19 and is provided with second gear 17, and 17 front end of second gear extends to In head 1, the axial line of the axial line and vehicle needle 27 of transmission shaft 20 is perpendicular, is arranged with outside needle shell 15 and matches with second gear 17 The first gear of conjunction, and first gear and 17 Vertical Meshing of second gear, when axial line rotation of the transmission shaft 20 around its own, It drives second gear 17 to rotate, is acted on by first gear and 17 Vertical Meshing of second gear, it will be able to drive needle shell 15 around it The axial line rotation of itself, and then the axial line with motor-car needle 27 around its own rotates, to carry out treatment operation, transmission shaft 20 with Specific mounting means is without restriction between driving sleeve 19, in the present embodiment, it is preferred that the head of the transmission shaft 20 and tail Portion passes through 3rd bearing 18 respectively and fourth bearing 21 is rotatably installed in driving sleeve 19;
The head of the shell 7 is fixedly attached to the tail portion of elbow 6, and limit is not added in the connection type between shell 7 and elbow 6 It makes, in the present embodiment, it is preferred that 6 tail portion of elbow is provided with external screw thread, and 7 head of shell is provided with and the external screw thread phase The internal screw thread of cooperation is connected, so set, easy to disassemble by external screw thread and externally threaded cooperation between shell 7 and elbow 6 Maintenance, plug component 10 are mounted in shell 7, and the plug component 10 includes gear shaft 22, gear bush 23 and unplugg 25, The gear bush 23 is mounted in shell 7, and gear shaft 22 is rotatably installed in gear bush 23, further, the tooth Wheel shaft 22 is rotatably installed in gear bush 23 by the 5th gear 24, and the quantity of the 5th gear 24 is without restriction, the present embodiment In, it is preferred that the gear shaft 22 is rotatably installed in gear bush 23 by spaced two the 5th gears 24, gear 22 front end of axis protrudes from gear bush 23 and is equipped with third gear, and 20 rear end of transmission shaft is protruding to outside driving sleeve 19, and passes 20 rear end of moving axis offers multiple tooth sockets matched with third gear along its even circumferential, and the tooth socket is shallow oblique after preceding depth Ramp shaped tooth socket is arranged such, it is only necessary to adjust the position of engagement of third gear and tooth socket, it will be able to adjust transmission between the two Than, and then the revolving speed of transmission shaft 20 is adjusted, gear bush 23 is slidably mounted in shell 7, is also equipped with adjusting in the shell 7 Screw rod 9 is provided with the screw rod set matched with adjusting screw rod 9 on 23 outer wall of gear bush, rotates adjusting screw rod 9, it will be able to make Gear bush 23 slides in shell 7, and then adjusts the position of engagement of third gear and tooth socket;22 rear end of the gear shaft protrusion Outside to gear bush 23 and unplugg 25 is connected, unplugg 25 is used for the transmission shaft of external motor, when the motor is activated, by pulling out Plug 25 is rotated with movable gear shaft 22;The tail portion of the shell 7 is also equipped with steel bushing 12, for blocking the tail portion of shell 7, keeps away Insertion free component 10 falls off;Positioning seat 26 is also installed in the tail portion of the shell 7, for determining in external motor motor Position;
The high efficiency dental handpiece, further includes optical fibre rod 8, and 8 front end of optical fibre rod extends to curved across shell 7 and elbow 6 First 6 front end, 6 front end of elbow offer the optic fibre hole matched with optical fibre rod 8, and 8 front end of optical fibre rod extends in the optic fibre hole, Optical fibre rod 8 for providing illumination in the course of surgery.
The working principle of the utility model is: the high efficiency dental handpiece works as motor by the external motor of unplugg 25 When starting, rotated by unplugg 25 with movable gear shaft 22, when gear shaft 22 rotates, it will be able to drive transmission shaft 20 to rotate, when When transmission shaft 20 is around the axial line rotation of its own, drives second gear 17 to rotate, hung down by first gear and second gear 17 Straight engagement, it will be able to drive needle shell 15 to rotate around the axial line of its own, and then with motor-car needle 27 around its own axle center Line rotation, to carry out treatment operation.Optical fibre rod 8 for providing illumination in the course of surgery.Gear shaft 22, transmission shaft 20, second Speed increasing mechanism is formed between gear 17 and first gear, slowly running for motor can be changed into the high-speed rotation of vehicle needle 27, To with motor-car needle carry out the cutting that runs at high speed, this structure using machine driving speedup mode, in rotation process will not because by Cutting resistance and shut down, the oblique kinetic energy of cutting of high revolving speed large torque can be constantly provided, fully met needed for surgical Dental handpiece cutting requires, and improves surgical work efficiency.When needing to adjust the revolving speed of vehicle needle 27, by rotating adjusting screw rod 9, Gear bush 23 can be made to slide in shell 7, so as to adjust the position of engagement of third gear and tooth socket, it will be able to adjust two Transmission ratio between person to adjust the revolving speed of transmission shaft 20, and then adjusts the revolving speed of vehicle needle 27.
Speedup is formed between high efficiency dental handpiece middle gear axis 22, transmission shaft 20, second gear 17 and the first gear Slowly running for motor can be changed into the high-speed rotation of vehicle needle 27 by mechanism, so that the cutting that runs at high speed is carried out with motor-car needle, This structure uses machine driving speedup mode, will not shut down, can be constantly mentioned due to by cutting resistance in rotation process Oblique kinetic energy is cut for high revolving speed large torque, the cutting of dental handpiece needed for fully meeting surgical requires, and improves surgical work Efficiency reduces the pain of patient.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. a kind of high efficiency dental handpiece, which is characterized in that including head (1), machine core housing (2), cartridge assemblies (3), transmission shaft Component (5), elbow (6), shell (7) and plug component (10);The machine core housing (2) is fixedly mounted in head (1), machine core group Part (3) is rotatably installed in machine core housing (2), and cartridge assemblies (3) lower end extends outwardly across the bottom of head (1), head (1) Top is also equipped with rear case component (4);The cartridge assemblies (3) include needle shell (15), push type needle shaft (14) and vehicle needle (27), Vehicle needle (27) rear portion is plugged in push type needle shaft (14), and the bottom that front end passes through head (1) extends outwardly, push type needle shaft (14) it is fixed in needle shell (15), needle shell (15) is rotatably installed in machine core housing (2);Elbow (6) head is fixed to be connected Be connected to head (1), transmission shaft component (5) is mounted in elbow (6), the transmission shaft component (5) include driving sleeve (19) and Transmission shaft (20), driving sleeve (19) are fixedly mounted in elbow (6), and transmission shaft (20) is rotatably installed in driving sleeve (19) Interior, transmission shaft (20) front end is protruding to driving sleeve (19) outside and is provided with second gear (17), and second gear (17) front end is prolonged It extends in head (1), the axial line of the axial line and vehicle needle (27) of transmission shaft (20) is perpendicular, is arranged with outside needle shell (15) and the The first gear that two gears (17) match, and first gear and second gear (17) Vertical Meshing;The head of the shell (7) It is fixedly attached to the tail portion of elbow (6), plug component (10) is mounted in shell (7), and the plug component (10) includes gear Axis (22), gear bush (23) and unplugg (25), the gear bush (23) are mounted in shell (7), and gear shaft (22) turns Dynamic to be mounted in gear bush (23), gear shaft (22) front end protrudes from gear bush (23) and is equipped with third gear, transmission Axis (20) rear end is protruding to driving sleeve (19) outside, and transmission shaft (20) rear end offers multiple and third tooth along its even circumferential Take turns the tooth socket matched;Gear shaft (22) rear end is protruding to gear bush (23) outside and connects unplugg (25).
2. high efficiency dental handpiece according to claim 1, which is characterized in that the rear case component (4) is after push type Lid.
3. high efficiency dental handpiece according to claim 1, which is characterized in that needle shell (15) upper and lower ends are led to respectively It crosses first bearing (13) and second bearing (16) is rotatably installed in machine core housing (2).
4. high efficiency dental handpiece according to claim 1 to 3, which is characterized in that the head of the transmission shaft (20) Pass through 3rd bearing (18) respectively with tail portion and fourth bearing (21) is rotatably installed in driving sleeve (19).
5. high efficiency dental handpiece according to claim 4, which is characterized in that elbow (6) tail portion is provided with outer spiral shell Line, shell (7) head are provided with the internal screw thread matched with the external screw thread, pass through external screw thread between shell (7) and elbow (6) It is connected with externally threaded cooperation.
6. high efficiency dental handpiece according to claim 5, which is characterized in that the gear shaft (22) passes through the 5th gear (24) it is rotatably installed in gear bush (23).
7. high efficiency dental handpiece according to claim 6, which is characterized in that the gear shaft (22) passes through interval setting Two the 5th gears (24) be rotatably installed in gear bush (23).
8. high efficiency dental handpiece according to claim 5, which is characterized in that the tooth socket is ramped shaped shallow after preceding depth Tooth socket, gear bush (23) are slidably mounted in shell (7), are also equipped with adjusting screw rod (9), gear shaft in the shell (7) The screw rod set matched with adjusting screw rod (9) is provided on set (23) outer wall.
9. high efficiency dental handpiece according to claim 5, which is characterized in that the tail portion of the shell (7) is also equipped with Steel bushing (12);The tail portion of the shell (7) is also installed by positioning seat (26).
10. high efficiency dental handpiece according to claim 5, which is characterized in that further include optical fibre rod (8), optical fibre rod (8) Front end passes through shell (7) and elbow (6) extends to elbow (6) front end, and elbow (6) front end is offered to be matched with optical fibre rod (8) Optic fibre hole, optical fibre rod (8) front end extends in the optic fibre hole.
CN201721466840.2U 2017-11-04 2017-11-04 A kind of high efficiency dental handpiece Active CN208274635U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110279475A (en) * 2019-06-25 2019-09-27 佛山市碧盈医疗器材有限公司 A kind of head of compact dental handpiece
CN110368107A (en) * 2019-08-05 2019-10-25 佛山市驰康医疗器材有限公司 Dental handpiece speedup bender
CN111000638A (en) * 2019-12-20 2020-04-14 天津大学 Rotary ultrasonic vibration composite dental hand bender
CN114099014A (en) * 2021-11-30 2022-03-01 桂林市啄木鸟医疗器械有限公司 Dental hand bender with adjustable handpiece angle
CN114466629A (en) * 2019-10-01 2022-05-10 株式会社森田制作所 Dental handpiece
CN114848202A (en) * 2022-05-13 2022-08-05 桂林市啄木鸟医疗器械有限公司 Laser-assisted tooth polishing handle and equipment thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110279475A (en) * 2019-06-25 2019-09-27 佛山市碧盈医疗器材有限公司 A kind of head of compact dental handpiece
CN110368107A (en) * 2019-08-05 2019-10-25 佛山市驰康医疗器材有限公司 Dental handpiece speedup bender
CN114466629A (en) * 2019-10-01 2022-05-10 株式会社森田制作所 Dental handpiece
CN114466629B (en) * 2019-10-01 2024-05-14 株式会社森田制作所 Dental handpiece
CN111000638A (en) * 2019-12-20 2020-04-14 天津大学 Rotary ultrasonic vibration composite dental hand bender
CN114099014A (en) * 2021-11-30 2022-03-01 桂林市啄木鸟医疗器械有限公司 Dental hand bender with adjustable handpiece angle
CN114099014B (en) * 2021-11-30 2024-04-19 桂林市啄木鸟医疗器械有限公司 Dental curved hand piece with adjustable angle of machine head
CN114848202A (en) * 2022-05-13 2022-08-05 桂林市啄木鸟医疗器械有限公司 Laser-assisted tooth polishing handle and equipment thereof

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