CN101084841B - Dental high-speed handpiece push-type clamping mechanism - Google Patents
Dental high-speed handpiece push-type clamping mechanism Download PDFInfo
- Publication number
- CN101084841B CN101084841B CN2006100835783A CN200610083578A CN101084841B CN 101084841 B CN101084841 B CN 101084841B CN 2006100835783 A CN2006100835783 A CN 2006100835783A CN 200610083578 A CN200610083578 A CN 200610083578A CN 101084841 B CN101084841 B CN 101084841B
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- China
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- joint portion
- collet chuck
- hollow axle
- push button
- fixed part
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Abstract
The invention relates to a dental highspeed combined pressing holding mechanism which comprises hollow rotor shaft, collet and pushing button located in the rotor shaft. The pushing bottom has two opposite arranged grooves, two first convex posts neighboring to the grooves and arranged in different sides. The collet has groove and convex post arranged in complementary state with the first coupling section, which can improve the location effect of the collet and pushing button, thereby prolonging service life. The invention is suitable for dental diagnosis and treat appliance.
Description
Technical field
The present invention relates to a kind of dental high-speed handpiece push-type clamping mechanism, particularly a kind of dental high-speed handpiece push-type clamping mechanism that improves collet chuck and push button locating effect.
Background technology
Generally speaking, the project of dentist sufferer diagnosis and treatment comprises the repairing of decayed tooth, grind one's teeth in sleep etc., and in numerous diagnosis and treatment utensils that the patient is used, mobile phone can be installed the tool heads of many diagnosis and treatment, as drill point, the head of grinding one's teeth in sleep, so the frequency of utilization of mobile phone is the highest.When the dentist diagnosis and treatment, because most diagnosis and treatment tool heads must be carried out work in patient's oral cavity, thereby aforesaid tool heads just must accurately and firmly be located and the transmission rotation.Otherwise, when dentist is operated,, then will cause great sufferer danger if tool heads gets loose.
Known tool heads locate mode is to be equiped with collet chuck in the hollow axle, and the collet chuck outer surface is contiguous, and wherein an end is thicker than the other end, and folder is established aforesaid tool heads in the collet chuck, by rotating shaft compacting collet chuck tool heads is fixed; Hollow axle is equipped with push button, have linkage part between push button and the collet chuck respectively, but the interlock collet chuck rotates with rotating shaft; Dentist makes the thicker part of collet chuck recess hollow axle and reach the purpose of dismantling tool heads by the extruding push button.
Yet aforesaid technology is seized the power deficiency on both sides by the arms because collet chuck and push button only rely on linkage part with both interlocks, therefore the situation that collet chuck withdraws from might take place, and tool heads also is difficult for firmly fixing.Tool heads is not worn away by fixing vibration can cause between tool heads and the collet chuck because of operation time the firmly.If in order to make the adhesion between tool heads and the collet chuck better, certainly will to improve the precision of size of collet chuck and tool heads and the requirement of material, then cost can improve relatively.
Summary of the invention
Main purpose of the present invention is to provide a kind of dental high-speed handpiece push-type clamping mechanism, and it can make the locating effect of collet chuck and push button improve, thereby increases the service life.
For reaching aforesaid purpose, the present invention by the following technical solutions:
A kind of dental high-speed handpiece push-type clamping mechanism, it comprises:
One hollow axle has the containing hole that axially runs through, this rotating shaft with its axial two ends define respectively relatively away from a first end and a second end, this first end has the lean against part that contracts in, this lean against part is around forming a hexagon ring;
One push button, the fixed part that has one first joint portion and link to each other with this first joint portion one, this first joint portion is around forming one first combined hole;
This first joint portion has two grooves that are provided with in opposite directions away from this fixed part direction, this first joint portion has two first projections adjacent to two grooves, two first projections are arranged on the phase heteropleural each other, and this push button has the stopper of protruding than this fixed part surface in abutting connection with this fixed part position; This push button is contained in the containing hole of this hollow axle, and this stopper is resisted against the lean against part of this first end;
This fixed part cooperates with the formed hexagon ring of this lean against part, thereby has outer-hexagonal shape tangent plane corresponding with it, and this fixed part passes this hexagon ring and exposes, and makes this push button and this hollow axle not produce between the two and is pivoted relative to each other;
One collet chuck, be contained in the containing hole of this hollow axle, this collet chuck has one second joint portion, this second joint portion is around forming one second combined hole, this second joint portion has groove and the projection that is complementary kenel configuration with this first joint portion, and this collet chuck has in abutting connection with the friction part of this second joint portion, the thickness of this friction part is higher than the surface of this second joint portion, this collet chuck has a stop part that is connected with this friction part away from this second joint portion, the thickness of this stop part is greater than the internal diameter of the containing hole of this hollow axle, and this stop part abuts against the second end at this hollow axle.
Be that example illustrates advantage of the present invention with the installing drill point below: drill point is inserted into first combined hole of push button by second combined hole of collet chuck, and the friction part of collet chuck is subjected to the second end compacting of hollow axle and makes and closely cooperate between collet chuck and the hollow axle; Equally, drill point also can make the joint portion of winning be strutted distortion to the first joint portion packing of push button, props up hollow axle, so obtain good friction between drill point and hollow axle and the push button, makes locating effect increase.In addition, the projection of push button embeds the groove of collet chuck, and the projection of collet chuck embeds the groove of push button, and it is more accurate to make collet chuck and push button locate between the two, more firm during transmission.
By above description as can be known, it can make the locating effect of collet chuck and push button improve, thereby increases the service life.
Description of drawings
Fig. 1 is stereo appearance figure of the present invention (rotating shaft is represented by dotted lines).
Fig. 2 is a three-dimensional exploded view of the present invention.
Fig. 3 is collet chuck of the present invention and push button stereo appearance figure.
Fig. 4 is a partial structurtes sketch map of the present invention.
Fig. 5 is enforcement view of the present invention (an installing drill point situation).
The specific embodiment
See also Fig. 1 to Fig. 3, be the selected example structure of the present invention shown in the figure, only for explanation, in patent application, be not subjected to the restriction of this structure at this.
The handpiece push-type clamping mechanism of present embodiment comprises: a hollow axle 1, a push button 2 and a collet chuck 3.
This hollow axle 1 has the containing hole 10 that axially runs through, this rotating shaft 1 with its axial two ends define respectively relatively away from a first end 11 and a second end 12, this first end 11 has the lean against part 111 that contracts in, and this lean against part 111 is around forming a hexagon ring 112.
The fixed part 22 that this push button 2 has one first joint portion 21 and links to each other with these first joint portion, 21 one, this first joint portion 21 is around forming one first combined hole 211;
This first joint portion 21 has two grooves 23 that are provided with in opposite directions away from these fixed part 22 directions, this first joint portion 21 has two first projections 24 adjacent to two groove 23 places, two first projections 24 are arranged on the phase heteropleural each other, and this push button 2 has the stopper of protruding than this fixed part 22 surfaces 25 in abutting connection with these fixed part 22 positions; This push button 2 is contained in the containing hole 10 of this hollow axle 1, and this stopper 25 is resisted against the lean against part 111 of this first end 11.
This fixed part 22 cooperates with these lean against part 111 formed hexagon rings 112, thereby have an outer-hexagonal shape tangent plane 221 corresponding with it, this fixed part 22 passes this hexagon ring 112 and exposes, and makes this push button 2 and this hollow axle 1 not produce between the two and is pivoted relative to each other.
This collet chuck 3 also is contained in the containing hole 10 of this hollow axle 1, this collet chuck 3 has one second joint portion 31, this second joint portion 31 is around forming one second combined hole 32, this second joint portion 31 has groove 33 and the projection 34 that is complementary kenel configuration with this first joint portion 21, and this collet chuck 3 has the friction part 35 in abutting connection with this second joint portion 31, the thickness of this friction part 35 is higher than the surface of this second joint portion 31, this collet chuck 3 has a stop part 36 that is connected with this friction part 35 away from this second joint portion 31, the thickness of this stop part 36 is greater than the internal diameter of the containing hole 10 of this hollow axle 1, and this stop part 36 abuts against the second end 12 at this hollow axle 1.In second combined hole 32 of this collet chuck 3, the inner peripheral surface along this second combined hole 32 between this stop part 36 and this friction part 35 is provided with an annular groove 37 (as shown in Figure 4).
See also Fig. 4 to Fig. 5, with the drill point installing is example, drill point 4 inserts first combined hole 211 that extends to push button 2 by second combined hole 32 of collet chuck 3, and the friction part 35 of collet chuck 3 is subjected to the second end 12 compactings of hollow axle 1 and makes and closely cooperate between collet chuck 3 and the hollow axle 1; Second joint portion 31 of collet chuck 3 then is subjected to drill point 4 urgent strength and struts, and props up hollow axle 1; Equally, drill point 4 also can make the joint portion 21 of winning be strutted distortion to first joint portion, 21 packings of push button 2, props up hollow axle 1, so obtain good friction between drill point 4 and hollow axle 1 and the push button 2, makes locating effect increase.In addition, the projection 24 of push button 2 embeds the groove 33 of collet chuck 3, and the projection 34 of collet chuck 3 embeds the groove 23 of push button 2, and it is more accurate to make collet chuck 3 and push button 2 locate between the two, more firm during transmission.
If the dentist desire recesses drill point 4, then only need push the fixed part 22 of push button 2, make the projection 24 extruding collet chucks 3 of push button 2, and allow the friction part 35 of collet chuck 3 leave the containing hole 10 of hollow axle 1, finish the action of recessing then, easy to operate.
Claims (2)
1. dental high-speed handpiece push-type clamping mechanism is characterized in that it includes:
One hollow axle, it has the containing hole that axially runs through, described hollow axle with its axial two ends define respectively relatively away from a first end and a second end, described first end has the lean against part that contracts in, described lean against part is around forming a hexagon ring;
One push button, the fixed part that it has one first joint portion and links to each other with the described first joint portion one, described first joint portion is around forming one first combined hole;
Described first joint portion has two grooves that are provided with in opposite directions in the direction away from described fixed part, described first joint portion has two first projections adjacent to described two grooves, described two first projections are arranged on the phase heteropleural each other, and described push button has the stopper of protruding than described fixed part surface in the position in abutting connection with described fixed part;
Described push button is contained in the containing hole of described hollow axle, and described stopper is resisted against the lean against part of described first end;
Described fixed part cooperates with the formed hexagon ring of described lean against part, has outer-hexagonal shape tangent plane corresponding with it, and described fixed part passes described hexagon ring and exposes;
One collet chuck, it is contained in the containing hole of this hollow axle; Described collet chuck has one second joint portion, described second joint portion is around forming one second combined hole, described second joint portion has groove and the projection that is complementary kenel configuration with described first joint portion, and described collet chuck has the friction part in abutting connection with described second joint portion, and the external diameter of described friction part is greater than the external diameter of described second joint portion;
The position away from described second joint portion on described collet chuck has a stop part that is connected with described friction part, the external diameter of described stop part is greater than the internal diameter of the containing hole of described hollow axle, and described stop part abuts against the second end at described hollow axle.
2. dental high-speed handpiece push-type clamping mechanism as claimed in claim 1 is characterized in that:
In second combined hole of described collet chuck, and the inner peripheral surface along described second combined hole is provided with an annular groove between described stop part and described friction part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100835783A CN101084841B (en) | 2006-06-07 | 2006-06-07 | Dental high-speed handpiece push-type clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100835783A CN101084841B (en) | 2006-06-07 | 2006-06-07 | Dental high-speed handpiece push-type clamping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101084841A CN101084841A (en) | 2007-12-12 |
| CN101084841B true CN101084841B (en) | 2010-06-09 |
Family
ID=38936130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100835783A Expired - Fee Related CN101084841B (en) | 2006-06-07 | 2006-06-07 | Dental high-speed handpiece push-type clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101084841B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871839A (en) * | 2010-06-11 | 2010-10-27 | 科顶科技工业股份有限公司 | Life testing machine for molar mobile phone |
| CN105434059B (en) * | 2015-12-11 | 2018-06-19 | 宁波和平鸽口腔医疗器材有限公司 | A kind of push type dental handpiece turbine head |
| CN106510863A (en) * | 2016-11-04 | 2017-03-22 | 西诺医疗器械集团有限公司 | Clamping structure for dental low-speed handpiece |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0958791A3 (en) * | 1998-05-20 | 2002-05-29 | Dentalwerk Bürmoos Gesellschaft M.B.H. | Dispositif de serrage amovible pour un outil rotatif medicale ou dentaire |
| CN2579366Y (en) * | 2002-11-01 | 2003-10-15 | 谢金宝 | Improved high speed tooth mill |
-
2006
- 2006-06-07 CN CN2006100835783A patent/CN101084841B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0958791A3 (en) * | 1998-05-20 | 2002-05-29 | Dentalwerk Bürmoos Gesellschaft M.B.H. | Dispositif de serrage amovible pour un outil rotatif medicale ou dentaire |
| CN2579366Y (en) * | 2002-11-01 | 2003-10-15 | 谢金宝 | Improved high speed tooth mill |
Non-Patent Citations (2)
| Title |
|---|
| JP平1-250247A 1989.10.05 |
| JP特开2003-116879A 2003.04.22 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101084841A (en) | 2007-12-12 |
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