CN202714934U - Push-type high speed turbine dental mobile phone movement - Google Patents
Push-type high speed turbine dental mobile phone movement Download PDFInfo
- Publication number
- CN202714934U CN202714934U CN 201220344763 CN201220344763U CN202714934U CN 202714934 U CN202714934 U CN 202714934U CN 201220344763 CN201220344763 CN 201220344763 CN 201220344763 U CN201220344763 U CN 201220344763U CN 202714934 U CN202714934 U CN 202714934U
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- lock sleeve
- pressing
- outer shaft
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Abstract
The utility model relates to a push-type high speed turbine dental mobile phone movement, which comprises a wind wheel, a pressing shaft, a machine needle and two high-speed bearings, wherein the wind wheel and the high-speed bearings are sleeved outside the pressing shaft and the two high-speed bearings are respectively arranged at two ends of the wind wheel; the pressing shaft comprises an outer shaft, a lock sleeve and a pressing element; the lock sleeve and the pressing element are sleeved inside the outer shaft; the tail part of the lock sleeve is connected with the head part of the pressing element; an outer cone is arranged at the head part of the pressing element; a cylindrical lug boss is arranged at the tail part; an inner cone matched with the head part of the pressing element is arranged at the tail part of the lock sleeve; a groove arranged along the radial direction of the lock sleeve is also arranged at the tail part of the lock sleeve, and the machine needle is sleeved inside the lock sleeve. The push-type high speed turbine dental mobile phone movement can achieve the functions of unloading the needle and assembling the needle without a special tool, is convenient to use, time-saving, and labor-saving; the machine needle is even in stress, less in vibration, and stable to run, and the possibility that the pressing shaft grinds a pressing cover is greatly reduced. Therefore, the mobile phone is easy to take the needle; the torque force is increased, and the service life of the mobile phone is also prolonged.
Description
Technical field
This utility model belongs to oral medical with rotating apparatus, is specifically related to a kind of movement of pressing type high-speed air turbine dental handpiece.
Background technology
The movement majority of pressing of the pressing type high speed handpiece that uses is on the market at present pressed movement as self-locking, the mode of its clamping trolley pin is in the outer shaft of movement needle holder and a wedge that has rectangular channel to be housed, the spur of wedge is placed in the rectangular channel, presses wedge during use.Although the loading-unloading vehicle pin does not need special-purpose instrument, because the deficiency in the design, mobile phone is in the high speed rotating process, and vibrations are large, and bearing is very easily damaged.Can not adjust for the boss height of opening needle holder in addition, the idle stroke of opening needle holder is very large, and general high-speed dental handpiece is limited for the stroke of the pressing part of opening clamper, so be not that the clamper of not opening is exactly that mobile phone is unable in the use of reality, also have the spur of wedge and easily and rectangular channel stuck, cause the flying needle phenomenon.
The utility model content
Not enough for above-mentioned prior art, the purpose of this utility model is to provide a kind of structure advanced, uses operation to need not in addition by specific purpose tool, convenient, save time, laborsaving, smooth running, torsion is large, the pressing type high-speed air turbine dental handpiece movement of long service life.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of pressing type high speed turbine dental handpiece movement comprises wind wheel, by last item, car pin and two high-speed bearings, and wind wheel, high-speed bearing are sleeved on outside by last item and two high-speed bearings lay respectively at the wind wheel two ends; Describedly comprise outer shaft, lock sleeve, pressing piece by last item; Lock sleeve, pressing piece are sleeved on outer shaft inside, and the afterbody of lock sleeve and the head of pressing piece join; The head of pressing piece is provided with male cone (strobilus masculinus), and afterbody is provided with cylindrical boss; The lock sleeve afterbody is provided with the inner conical surface with pressing piece head coupling, and the afterbody of lock sleeve also is provided with the groove of radially offering along lock sleeve; Described car needle guard is contained in the lock sleeve.Designed corresponding external taper at pressing piece, need not by specific purpose tool, only needed the function that can realize unloading pin, dress pin by the cylindrical boss of pressing on the pressing piece, structure is advanced, and is easy to use, saves time, laborsaving.
Further technical scheme is, the cross sectional shape of described groove is made of semi arch section, rectangular portion, heart-shaped section and by afterbody successively transition to the middle part of lock sleeve; The widest part width of semi arch section is greater than the widest part width of heart-shaped section, and the widest part width of heart-shaped section is greater than the width of rectangular portion.
As of the present utility model a kind of preferred, the outer shaft inwall is provided with and makes the clearance position that has the gap between lock sleeve and the outer shaft.
As of the present utility model a kind of preferred, also be provided with fairlead in the outer shaft, this fairlead is connected in the place ahead of lock sleeve, and is sleeved on outside the car pin.The effect of fairlead so that the car pin is stressed even in the course of the work, can reduce vibration, so that car pin smooth running when high speed rotating
As of the present utility model a kind of preferred, also comprise adjusting nut; This adjusting nut is installed on the afterbody of outer shaft, and the afterbody inwall of outer shaft is provided with the screw thread that cooperates with adjusting nut.The effect of adjusting nut, reduced greatly by last item friction pressing cover may so that mobile phone is got pin is light, torsion increases.
A kind of pressing type high speed turbine dental handpiece movement of the present utility model need not can to realize unloading by specific purpose tool the function of pin, dress pin, and structure is advanced, and is easy to use, saves time, laborsaving; The car pin is stressed even in the course of the work, and vibration is few, smooth running when high speed rotating; Reduced greatly by last item friction pressing cover may so that mobile phone is got pin is light, torsion increases, and has reached the effect in extending cell phone service life.
Description of drawings
Fig. 1 is the structural representation of a kind of pressing type high speed turbine dental handpiece of this utility model movement.
Fig. 2 be a kind of pressing type high speed turbine dental handpiece of this utility model movement press the axle construction sketch map.
Fig. 3 be a kind of pressing type high speed turbine dental handpiece of this utility model movement by the last item explosive view.
Fig. 4 is the user mode sketch map of a kind of pressing type high speed turbine dental handpiece of this utility model movement.
Wherein, 1, hands handle; 2, head; 3, movement; 31, press last item; 311, outer shaft; 311a, female thread; 311b, clearance position; 312, lock sleeve; 312a, semi arch section; 312b, rectangular portion; 312c, heart-shaped section; 313, pressing piece; 313a, male cone (strobilus masculinus); 313b, cylindrical boss; 314, fairlead; 315, adjusting nut; 32, wind wheel; 33, high-speed bearing; 4, pressing cover; 5, car pin.
The specific embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of pressing type high speed turbine dental handpiece movement of the present utility model, comprise wind wheel 32, by last item 31, car pin 5 and two high-speed bearings 33, wind wheel 32, high-speed bearing 33 are sleeved on outside by last item 31 and two high-speed bearings 33 lay respectively at wind wheel 32 two ends; Describedly comprise outer shaft 311, lock sleeve 312, pressing piece 313 by last item 31; Lock sleeve 312, pressing piece 313 are sleeved on outer shaft 311 inside, and the head of the afterbody of lock sleeve 312 and pressing piece 313 joins; The head of pressing piece 313 is provided with male cone (strobilus masculinus) 313a, and afterbody is provided with cylindrical boss 313b; Lock sleeve 312 afterbodys are provided with the inner conical surface with pressing piece 313 heads coupling, and the afterbody of lock sleeve also is provided with the groove of radially offering along lock sleeve; Described car pin 5 is sleeved in the lock sleeve 312.The cross sectional shape of described groove is made of the 312a of semi arch section, rectangular portion 312b, the heart-shaped 312c of section and by afterbody successively transition to the middle part of lock sleeve 312; The widest part width of the 312a of semi arch section is greater than the widest part width of the heart-shaped 312c of section, and the widest part width of the heart-shaped 312c of section is greater than the width of rectangular portion 312b.Outer shaft 311 inwalls are provided with and make the clearance position 311b that has the gap between lock sleeve 312 and the outer shaft 311.Also be provided with fairlead 314 in the outer shaft 311, this fairlead 314 is connected in the place ahead of lock sleeve 312, and is sleeved on outside the car pin 5.Also comprise adjusting nut 315; This adjusting nut 315 is installed on the afterbody of outer shaft 311, and the afterbody inwall of outer shaft 311 is provided with the screw thread 311a that cooperates with adjusting nut 315.
Duty:
As shown in Figure 4, dental handpiece integral body comprises handle 1, head 2, pressing cover 4 and the movement 3 that forms by wind wheel 32, by last item 31, car pin 5, high-speed bearing 33.When user is pressed the cylindrical boss 313b of pressing cover 4 by pressing piece 313 and is made the male cone (strobilus masculinus) 313a of pressing piece 313 press to the inner conical surface of lock sleeve 312, the 312a of semi arch section of lock sleeve 312, rectangular portion 312b, the tube wall of heart section 312c both sides is strutted, car pin 5 can pass through fairlead 314 endoporus successively at this moment, lock sleeve 312 endoporus arrive the bottom of pressing piece 313, user unclamps pressing cover 4 pressing pieces 313 and returns original position, the 312a of semi arch section of lock sleeve 312, rectangular portion 312b, the heart-shaped not tube wall homing of 312c both sides, and with 5 clampings of car pin and be fixed on movement 3 by in the last item 31.
To one skilled in the art, can according to technical scheme described above and design, make other various corresponding changes and deformation, and these all changes and deformation should belong within the protection domain of this utility model claim all.
Claims (5)
1. pressing type high speed turbine dental handpiece movement comprises wind wheel, by last item, car pin and two high-speed bearings, and wind wheel, high-speed bearing are sleeved on outside by last item and two high-speed bearings lay respectively at the wind wheel two ends; It is characterized in that: describedly comprise outer shaft, lock sleeve, pressing piece by last item; Lock sleeve, pressing piece are sleeved on outer shaft inside, and the afterbody of lock sleeve and the head of pressing piece join; The head of pressing piece is provided with male cone (strobilus masculinus), and afterbody is provided with cylindrical boss; The lock sleeve afterbody is provided with the inner conical surface with pressing piece head coupling, and the afterbody of lock sleeve also is provided with the groove of radially offering along lock sleeve; Described car needle guard is contained in the lock sleeve.
2. pressing type high speed turbine dental handpiece movement according to claim 1 is characterized in that: the cross sectional shape of described groove is made of semi arch section, rectangular portion, heart-shaped section and by afterbody successively transition to the middle part of lock sleeve; The widest part width of semi arch section is greater than the widest part width of heart-shaped section, and the widest part width of heart-shaped section is greater than the width of rectangular portion.
3. pressing type high speed turbine dental handpiece movement according to claim 1 and 2, it is characterized in that: the outer shaft inwall is provided with and makes the clearance position that has the gap between lock sleeve and the outer shaft.
4. pressing type high speed turbine dental handpiece movement according to claim 1 and 2, it is characterized in that: also be provided with fairlead in the outer shaft, this fairlead is connected in the place ahead of lock sleeve, and is sleeved on outside the car pin.
5. pressing type high speed turbine dental handpiece movement according to claim 1 and 2 is characterized in that: also comprise adjusting nut; This adjusting nut is installed on the afterbody of outer shaft, and the afterbody inwall of outer shaft is provided with the screw thread that cooperates with adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344763 CN202714934U (en) | 2012-07-16 | 2012-07-16 | Push-type high speed turbine dental mobile phone movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344763 CN202714934U (en) | 2012-07-16 | 2012-07-16 | Push-type high speed turbine dental mobile phone movement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202714934U true CN202714934U (en) | 2013-02-06 |
Family
ID=47616785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344763 Expired - Fee Related CN202714934U (en) | 2012-07-16 | 2012-07-16 | Push-type high speed turbine dental mobile phone movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202714934U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892928A (en) * | 2014-04-03 | 2014-07-02 | 李成军 | Head of dental handpiece |
| CN105193510A (en) * | 2015-10-15 | 2015-12-30 | 宁波科隆光电科技有限公司 | Disposable dental high-speed turbine hand piece and collet of turbine hand piece |
| CN108324388A (en) * | 2018-01-17 | 2018-07-27 | 桂林市啄木鸟医疗器械有限公司 | A kind of dental handpiece push type shaft core |
| EP3357449A1 (en) * | 2013-12-09 | 2018-08-08 | Bien-Air Holding SA | Turbine for a compressed-air dental or surgical handpiece |
| CN110179555A (en) * | 2018-12-18 | 2019-08-30 | 贝思德迩医疗器材(广州)有限公司 | A kind of dental high-speed cell phone of air vane |
| 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 |
| CN112338858A (en) * | 2020-12-03 | 2021-02-09 | 刘明青 | Dental low-speed mobile phone disassembling device |
-
2012
- 2012-07-16 CN CN 201220344763 patent/CN202714934U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3357449A1 (en) * | 2013-12-09 | 2018-08-08 | Bien-Air Holding SA | Turbine for a compressed-air dental or surgical handpiece |
| EP3357449B1 (en) | 2013-12-09 | 2019-02-06 | Bien-Air Holding SA | Turbine for a compressed-air dental or surgical handpiece |
| CN103892928A (en) * | 2014-04-03 | 2014-07-02 | 李成军 | Head of dental handpiece |
| CN103892928B (en) * | 2014-04-03 | 2016-08-17 | 李成军 | A kind of head of dental handpiece |
| CN105193510A (en) * | 2015-10-15 | 2015-12-30 | 宁波科隆光电科技有限公司 | Disposable dental high-speed turbine hand piece and collet of turbine hand piece |
| CN108324388A (en) * | 2018-01-17 | 2018-07-27 | 桂林市啄木鸟医疗器械有限公司 | A kind of dental handpiece push type shaft core |
| CN108324388B (en) * | 2018-01-17 | 2023-12-26 | 桂林市啄木鸟医疗器械有限公司 | Dental handpiece push type axle core |
| CN110179555A (en) * | 2018-12-18 | 2019-08-30 | 贝思德迩医疗器材(广州)有限公司 | A kind of dental high-speed cell phone of air vane |
| CN110179555B (en) * | 2018-12-18 | 2021-09-03 | 贝思德迩医疗器材(广州)有限公司 | Novel high-speed cell-phone of dentistry of wind wheel |
| 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 |
| CN112338858A (en) * | 2020-12-03 | 2021-02-09 | 刘明青 | Dental low-speed mobile phone disassembling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |