CN201012130Y - Disposal high-speed vane wheel electric dental engine with simple head - Google Patents
Disposal high-speed vane wheel electric dental engine with simple head Download PDFInfo
- Publication number
- CN201012130Y CN201012130Y CNU2007200904660U CN200720090466U CN201012130Y CN 201012130 Y CN201012130 Y CN 201012130Y CN U2007200904660 U CNU2007200904660 U CN U2007200904660U CN 200720090466 U CN200720090466 U CN 200720090466U CN 201012130 Y CN201012130 Y CN 201012130Y
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- head
- rolling bearing
- head shell
- machine head
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Abstract
The utility model is to provide a machine head with simple structure, which can overcome the shortcoming in the existing technology that the structure of the machine head in the one-off high-speed turbine tooth borer is complex. The device can make the cost of the one-off high-speed turbine tooth borer lower. The simple machine head with one-off high-speed turbine tooth borer consists of a machine head and a handle. The machine head consists of a machine head shell, an axis impeller inside of the machine head shell and a slide bearing between the axis impeller and the machine head shell. The water-air channel in the handle connects to the machine head. The device is characterized in that the slide bearing is a common steel material; the machine head shell, the axis impeller and the handle are plastic. The slide bearing are upper and below two in total. The outer surface of the upper slide bearing is cone-shaped structure face; a gasket is positioned between the cone-shaped structure face of the upper slide bearing and the reserve cone-shaped structure of the machine head shell. The structure of the below relative slide bearing, the gasket and the machine head shell are corresponding. The utility model decreases the cost; the tooth-boring handset can be stably operated under much less components.
Description
Technology neck city:
This product belongs to medical treatment and goes up the hand tool that bores the tooth of grinding one's teeth in sleep, specifically a kind of simple and easy head disposable high-speed dental turbine unit.
Background technology:
The dental unit that odontologist uses is made up of parts such as air compressor, air supply system, water system, high speed turbine mobile phones, and high speed turbine mobile phone is mainly reached in machine joint etc. by head, handle and constitutes.Rotor is the core of head, is combined by bearing, wind wheel and mandrel, and the rotary principle of mobile phone is to utilize mobile compressed air that wind wheel blade is exerted pressure, and promotes blade, makes the wind wheel high speed rotating.Its revolution height and balance, cutting drilling power are strong, can alleviate the labor intensity of patient's misery and odontologist, increase work efficiency, so replaced electromotive dental drill once coming out, also the appearance of high speed turbine dental drill machine being called the revolution second time of dentistry dental drill thus, also is the indispensable ideal dental equipment that the Zhi Ya of odontologist, edge are joined various artificial tooths.
Yet after odontologist used end of operation, the electromagnetic valve in the multipurpose therapy unit quit work, and electromagnetic valve upper end Exhaust Open is got rid of residual air.And the residual air after the high speed handpiece acting is also outside the mobile phone exhaustor is discharged mobile phone, high speed handpiece can quit work, and the high speed handpiece exhaustor is when discharging in the mobile phone residual air, can form generation " resorption power ", blood in the disease population, saliva and various bacterial virus partly can be drawn back in the lacuna of mobile phone, use for second patient as not strict thorough disinfection, just blood that can last patient is remaining, saliva and various bacterial virus are injected in another disease population, the cross infection various diseases is as acquired immune deficiency syndrome (AIDS), hepatitis B etc.According to World Health Organization (WHO),, still have every year people more than ten to become patients infected hiv because of seeing tooth in dental clinic and the very strict American-European countries of hospital disinfection measure.So, toothwash, control tooth, in the oral disease therapeutic such as have a denture made,, just might infect diseases such as acquired immune deficiency syndrome (AIDS) and hepatitis B if not strict as apparatus sterilizations such as the dental drill that uses, high speed handpiece, cutter heads.
And the groundwork instrument high speed handpiece that odontologist uses, every is expensive.Home-made about thousand yuan every, the need 2,3 of import are done one in unit.Accomplish the sterilization of " people one machine " strict sterilization, the high speed handpiece that each dental clinic must be bought average day outpatient service amount number equal number could have enough to meet the need sterilization, this is a no small investment number, at a high speed in machine again very " enervated ", maintain the oil dripping deficiency at ordinary times, bearing will damage, and one repair must tens up to a hundred yuan, and high temperature sterilize also reduces the service life of high speed handpiece.The disinfection cost of leader's machine is 2 yuan, and the special-purpose sterilizing equipment decontaminating apparatus of mobile phone is homemade at 30,000 yuan of one cover, and import is at 4～50,000 yuan of one cover.Have 1000 high speed handpieces to calculate by a tame large-scale specialized department for stomatology hospital, need pay 2000 yuan disinfection cost every day.One month is exactly 60,000,1 year 720000 yuan, general small-scale dental clinic also needs several ten thousand yuan every year.
In brief, common used dental drill is made by high-grade metal is accurate, cost an arm and a leg, dental drill frequency of utilization in the odontopathy diagnosis and treatment is high especially again, so can not accomplish that one suffers from machine use by standby too many dental drill, cause knowing perfectly well that dental drill has higher cross infection probability, still the situation that will generally use makes it to become the important channel that present infectious disease is propagated.This just needs disposable high speed turbine dental drill hand piece, if will reach disposable purpose, then must satisfy under the strong prerequisite of dental drill high speed rotating and balance, cutting drilling power, reduce the production cost of dental drill as much as possible, promptly abandon the financial burden that is brought after making general patient can accept to use.Causing the present too high principal element of dental drill cost of using is high-grade metal material, high pressure resistant pipeline and complicated internal structure.
Based on above-mentioned consideration, the patent No. is 01274713.0 utility model patent, a kind of disposable high-speed turbine tooth-drilling hand-held machine is disclosed, it is the handpiece body that is connected with the dress drill point at the head of machine handle, the afterbody of machine handle connects water, gas quick connector, turbine drives turbine wheel shaft and makes the drill point rotation in its handpiece body, drill point one end is held mechanisms grip, high pressure air flue, water channel and return-air road from water, gas quick connector one through to handpiece body, the rotation of driving turbine, the high pressure water channel leads to handpiece body from water, gas quick connector, and dental drill places and meets in the packing of requiring of sterilizing; Handpiece body made from easy processing metal and inner turbine mechanism thereof be connected and fixed with engineering plastics, the nonmetal machine handle of making of rubber, the turbine wheel shaft end that drill point one side is installed in handpiece body is covered with gas-tight resorption glue cover, is connected with anti-resorption check valve in the middle of being positioned at the high pressure water channel at machine handle place.This disposable high-speed turbine tooth-drilling hand-held machine is though make handpiece body complex structure, manufacturing cost height with easy processing metal.
The patent No. is 200480006791.3 American patent of invention, discloses a kind of disposable dental instrument of compressed gas-driven type, uses when being used for that workpiece carried out dental procedure.Cooperate shell (30,32) and core body (34) to constitute by two.Each shell (30,32) has mating surface, and uses various methods of attachment to make shell (30,32) combination to guarantee to realize a kind of fluid-tight, fine dental instrument.Slender body (910) has the pipeline (14) of the bottom (16) of an end that penetrates body (10).Pipeline (914) allows light beam (18), pressurised stream (20) and compressed air stream (22) to enter, and a plurality of passages (26) are communicated with pipeline (14) and are used to make light beam (18), pressurised stream (20) and compressed air stream (22) to pass through body (10).The head (44) that is positioned at the other end of body (10) is installed turbine wheel shaft (72) at the bearing surface (64) that prevents to vibrate with noise rotatably.Turbine wheel shaft (72) comprises turbo blade (74) and is used for removably dental drill (56) being attached to rotation axial holes for clamping (80).The opening (48,54) of the contiguous head (44) in the body (10) allows light beam (18), pressurised stream (20) and compressed air stream (22) are discharged with the direction towards dental drill (56), thereby makes dental drill (56), light beam (18), pressurised stream (20) and compressed air stream (22) all can converge in the workpiece place.This is exactly disposable high-speed turbine tooth-drilling hand-held machine, and " head 44 that is arranged in body 10 other ends includes the bearing 64 that is positioned at lining 66 to its description, and lining 66 is attached to the top 68 and the bottom 70 of back shaft 72.Lining 66 can be simplified the bearing installation, reduces noise and vibration, and buffering effect is provided, and this allows odontologist to receive feedback feeling when work.Lining 66 can be made by various material (including, but are not limited to rubber, plastics, metal or synthetic).Bearing 64 can be attached to lining 66 by interference fit, dedicated fastener, adhesive or epoxy resin " describe; illustrate along the direct rigid bearing 64 of back shaft axial bushings 66; need between the two bearing 64 axially to be attached to lining 66 along back shaft; this has just increased the course of processing of adhering between lining 66 and the bearing 64, has increased manufacturing cost by interference fit, dedicated fastener, adhesive or epoxy resin." another preferred embodiment of the present invention has been shown among Figure 10 and 11, and wherein lining 125 and 126 is installed in the head 127 of dental instrument its description.Impeller shaft 130 is rotatably supported by these linings, and the inwall of lining provides bearing surface, is used for the high speed rotating of impeller shaft.Lining 125 and 126 can be by the suitable metal that comprises sintering metal (sintered metal), or for example the suitable plastic of special teflon is constructed.Valuably, lining 125 and 126 has the external structure 135 of taper, and corresponding conical cavities 136 engage in taper outer structure 135 and the head 127, with restrictive axes 130 with respect to lining 125 and 126 transverse movements.Pipeline 150 in the conical cavity can be used for and will be in the internal bearings wall surface (this internal bearings wall surface supports) that water under the pressure or other lubricant are guided to lining when impeller shaft 130 is rotated, and further reduces friction between the bearing surface of axle 130 and lining 125,126 with this.In one embodiment, force the water that is under the pressure (for example to pass through by porous material, sintering metal) lining 125 of Xing Chenging and 126 wall, with lubricated this internal bearings surface " embodiment; though lining 125 and 126 has the external structure 135 of taper; taper outer structure 135 engages with corresponding conical cavities 136 in the head 127; external structure 135 of taper is to be used for restrictive axes 130 can be used for and will be in the internal bearings wall surface that water under the pressure or other lubricant are guided to lining with respect to lining 125 and 126 transverse movements and with pipeline 150; axial float that can not restrictive axes 130; if spools 130 axially loaded, blade 145 on the axle 130 will produce friction in lining 125, axle 130 will stop operating, so this embodiment does not have practicality.
Summary of the invention:
The purpose of this utility model is the handpiece structure complexity that solves the disposable high-speed dental turbine unit existence of prior art, and a kind of head simple in structure is provided, and makes that the disposable high-speed dental turbine unit is cheap.
The technical solution of the utility model is: a kind of simple and easy head disposable high-speed dental turbine unit, constitute by head and handle, head is by the head shell, connecting shaft impeller in the head shell and the rolling bearing between connecting shaft impeller and the head shell constitute, aqueous vapor passage in the handle leads to head, it is characterized in that: rolling bearing is the ordinary steel material, and head shell, connecting shaft impeller and handle are plastics.
Described rolling bearing is two up and down, above the outer surface of rolling bearing be the cone structure face, above be packing ring between cone structure face and the head shell inverted cone shape structural plane of rolling bearing, below the structure of corresponding rolling bearing, packing ring and head shell symmetrical with it.
The cone structure face of the outer surface of the top rolling bearing of described rolling bearing is the conical surface, in the head shell corresponding with the rolling bearing conical surface, it is inverted cone surface, between the conical surface of top rolling bearing and the head shell inverted cone surface is packing ring, below the structure of corresponding rolling bearing, packing ring and head shell symmetrical with it.
The cone structure face of the outer surface of the top rolling bearing of described rolling bearing is stepped, in stepped corresponding head shell of rolling bearing, it is inverted steps shape face, between stepped of top rolling bearing and the head shell inverted steps shape face is packing ring, below the structure of corresponding rolling bearing, packing ring and head shell symmetrical with it.
Described head shell is made of head shell and head cap, the cervical region of head shell is the entity cervical region, inlet channel and the return gas channel that leads in the head shell is set in the entity cervical region, and the water spray passage lead to the head bottom is set, inlet channel, return gas channel and water spray passage are communicated with respective channel in the handle respectively.
The head bottom is provided with jet channel, and jet channel is communicated with inlet channel.
The jet channel that the head bottom is provided with is along the jet channel in the cervical region axial handle.
It is ordinary steel that this utility model has only rolling bearing, other is plastics, reduced cost, the only organic head capsule of head, connecting shaft impeller and rolling bearing and packing ring constitute, parts are considerably less, reduced cost, if work good between the cone structure face of rolling bearing and the head shell inverted cone shape structural plane, can save packing ring, between the taper outer surface of top rolling bearing and the head shell inverted cone shape inner surface is rubber ring, the symmetric with it handpiece structure of the structure of following rolling bearing and head shell, make dental drill can be under the considerably less situation of parts steady operation, just movement axially and radially all is being in steady-working state.
Description of drawings
Fig. 1 is this utility model head conical surface bearing sectional structure sketch map;
Fig. 2 is the stepped bearing sectional structure of a this utility model head sketch map;
Fig. 3 is this utility model head concave arc conical surface bearing sectional structure sketch map;
Fig. 4 along Figure 1B B to the sectional structure sketch map;
Fig. 5 is this utility model sectional structure sketch map;
Fig. 6 is along the sectional structure sketch map of Fig. 5 AAA.
The specific embodiment
A kind of simple and easy head disposable high-speed dental turbine unit, constitute by head and handle 20, head is by head shell 11, connecting shaft impeller 12 in the head shell 11 and the rolling bearing between connecting shaft impeller and the head shell 13 constitute, between the impeller shaft of connecting shaft impeller 12 and the rolling bearing 13 is interference fit, aqueous vapor passage in the handle leads to head, rolling bearing 13 is ordinary steel materials, head shell 11, connecting shaft impeller 12 and handle 20 are plastics, between the outer surface of rolling bearing and the head shell packing ring 14 can be set.
As Fig. 1, as described in rolling bearing be two up and down, the cone structure face of the outer surface of top rolling bearing 13-1 is the conical surface, in the head shell corresponding with the rolling bearing 13-1 conical surface is inverted cone surface, between the conical surface of top rolling bearing 13-1 and the head shell inverted cone surface is taper washer 14-1, below the structure of corresponding rolling bearing, packing ring and head shell 11 corresponding positions symmetrical with it.
As Fig. 2, as described in the cone structure face of outer surface of top rolling bearing 13-2 of rolling bearing be stepped, with position in stepped corresponding head shell of rolling bearing 13-2, it is inverted steps shape face, between stepped of top rolling bearing and the head shell inverted steps shape face is O type packing ring 14-2, below the structure of corresponding rolling bearing, packing ring and head shell 11 corresponding positions symmetrical with it.
As Fig. 3, as described in the cone structure face of outer surface of top rolling bearing 13-3 of rolling bearing be the concave arc conical surface, in the head shell 11 corresponding with the rolling bearing 13-3 concave arc conical surface, it is the conical surface of falling the concave arc, be O type packing ring 14-3 between the concave arc conical surface of top rolling bearing 13-3 and the head shell conical surface of falling the concave arc, below the structure of corresponding rolling bearing, packing ring and head shell 11 corresponding positions symmetrical with it.
In the head shell 11 corresponding with rolling bearing cone structure face, it is the counter structure of inverted cone shape structural plane, be not limited to the foregoing description, both can be that conicoid is corresponding with stepped between the two, also can be that conicoid is corresponding with the circular-arc conical surface, can also be stepped corresponding with the circular-arc conical surface etc., the shape of cone structure face also is not limited to the foregoing description, for example is with tooth cone structure face.
As Fig. 1,2,3,4,5,6, described head shell 11 is made of head shell 11-1 and head cap 11-2, the cervical region 11-3 of head shell is the entity cervical region, inlet channel 31 and the return gas channel 32 that leads in the head shell is set in the entity cervical region 11-3, and the water spray passage 33 lead to the head bottom is set, inlet channel 31, return gas channel 32 and water spray passage 33 are communicated with respective channel in the handle 20 respectively.
The head bottom is provided with jet channel 34-1, and the import 34-1-1 of jet channel 34-1 is communicated with the branch QI KOU 31-2 of inlet channel 31.
The jet channel 34-1 that the head bottom is provided be communicated with along neck shaft to jet channel 34.
Like this, drill bit is inserted in the through hole that injects connecting shaft impeller 12 centers, the two is an interference fit, firmly compress drill bit, the handle tail end is inserted dental multipurpose therapy unit, compressed air enters the head cavity through inlet channel, promote the impeller quick rotation, the cavity return-air flows out by return gas channel; Simultaneously, in the ejection of head bottom, high pressure gas sprays to the water column that the head bottom sprays by jet channel to water under high pressure by the water spray passage, with the water column atomizing, gets final product work; Behind the end-of-job, pull out the fast patch plug of aqueous vapor of handle tail end, drill bit is unloaded, abandon dental drill, finish a work process.
Claims (7)
1. simple and easy head disposable high-speed dental turbine unit, constitute by head and handle, head is by the head shell, connecting shaft impeller in the head shell and the rolling bearing between connecting shaft impeller and the head shell constitute, aqueous vapor passage in the handle leads to head, it is characterized in that: rolling bearing is the ordinary steel material, and head shell, connecting shaft impeller and handle are plastics.
2. a kind of simple and easy head disposable high-speed dental turbine unit as claimed in claim 1, it is characterized in that: rolling bearing is two up and down, the outer surface of top rolling bearing is the cone structure face, between the cone structure face of top rolling bearing and the head shell inverted cone shape structural plane is packing ring, below the structure of corresponding rolling bearing, packing ring and head shell symmetrical with it.
3. a kind of simple and easy head disposable high-speed dental turbine unit as claimed in claim 1, it is characterized in that: the cone structure face of the outer surface of the top rolling bearing of rolling bearing is the conical surface, in the head shell corresponding with the rolling bearing conical surface, it is inverted cone surface, between the conical surface of top rolling bearing and the head shell inverted cone surface is packing ring, below the structure of corresponding rolling bearing, packing ring and head shell symmetrical with it.
4. a kind of simple and easy head disposable high-speed dental turbine unit as claimed in claim 1, it is characterized in that: the cone structure face of the outer surface of the top rolling bearing of rolling bearing is stepped, in stepped corresponding head shell of rolling bearing, it is inverted steps shape face, between stepped of top rolling bearing and the head shell inverted steps shape face is packing ring, below the structure of corresponding rolling bearing, packing ring and head shell symmetrical with it.
5. as the described a kind of simple and easy head disposable high-speed dental turbine unit of one of claim 1-4, it is characterized in that: described head shell is made of head shell and head cap, the cervical region of head shell is the entity cervical region, inlet channel and the return gas channel that leads in the head shell is set in the entity cervical region, and the water spray passage lead to the head bottom is set, inlet channel, return gas channel and water spray passage are communicated with respective channel in the handle respectively.
6. a kind of simple and easy head disposable high-speed dental turbine unit as claimed in claim 5, it is characterized in that: the head bottom is provided with jet channel, and jet channel is communicated with inlet channel.
7. a kind of simple and easy head disposable high-speed dental turbine unit as claimed in claim 5 is characterized in that: the jet channel that the head bottom is provided with is communicated with along the jet channel in the cervical region axial handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200904660U CN201012130Y (en) | 2007-05-25 | 2007-05-25 | Disposal high-speed vane wheel electric dental engine with simple head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200904660U CN201012130Y (en) | 2007-05-25 | 2007-05-25 | Disposal high-speed vane wheel electric dental engine with simple head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201012130Y true CN201012130Y (en) | 2008-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200904660U Expired - Fee Related CN201012130Y (en) | 2007-05-25 | 2007-05-25 | Disposal high-speed vane wheel electric dental engine with simple head |
Country Status (1)
| Country | Link |
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| CN (1) | CN201012130Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101623213B (en) * | 2008-07-11 | 2011-08-17 | 李晓平 | Disposable high-speed turbine tooth-drilling hand-held machine |
| CN101310691B (en) * | 2007-05-25 | 2013-03-27 | 李晓平 | Disposable high-speed turbo dental-drill hand set |
| 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 |
| CN112955093A (en) * | 2018-11-16 | 2021-06-11 | 登士柏希罗纳有限公司 | Dental turbine |
| CN113482538A (en) * | 2021-08-11 | 2021-10-08 | 沧州格锐特钻头有限公司 | Roller bit with rotation speed detection function |
-
2007
- 2007-05-25 CN CNU2007200904660U patent/CN201012130Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310691B (en) * | 2007-05-25 | 2013-03-27 | 李晓平 | Disposable high-speed turbo dental-drill hand set |
| CN101623213B (en) * | 2008-07-11 | 2011-08-17 | 李晓平 | Disposable high-speed turbine tooth-drilling hand-held machine |
| CN112955093A (en) * | 2018-11-16 | 2021-06-11 | 登士柏希罗纳有限公司 | Dental turbine |
| CN112955093B (en) * | 2018-11-16 | 2023-01-13 | 登士柏希罗纳有限公司 | Dental turbine |
| 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 |
| CN113482538A (en) * | 2021-08-11 | 2021-10-08 | 沧州格锐特钻头有限公司 | Roller bit with rotation speed detection function |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: ZHANG JIAN ^ |
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| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Zhang Jian Number: 05 Page: The title page Volume: 24 |
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| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Zhang Jian Number: 05 Volume: 24 |
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| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: ZHANG JIAN ^ |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20110525 |