CN205251719U - Novel safe push type high speed turbine dental handpiece core and dental handpiece - Google Patents
Novel safe push type high speed turbine dental handpiece core and dental handpiece Download PDFInfo
- Publication number
- CN205251719U CN205251719U CN201520860457.XU CN201520860457U CN205251719U CN 205251719 U CN205251719 U CN 205251719U CN 201520860457 U CN201520860457 U CN 201520860457U CN 205251719 U CN205251719 U CN 205251719U
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- CN
- China
- Prior art keywords
- dental handpiece
- holder
- high speed
- speed turbine
- type high
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a novel safe push type high speed turbine dental handpiece core and dental handpiece, this dental handpiece core includes movement shaft, spring, holder and taper sleeve, movement shaft follows axial direction and offers the mounting hole that is used for installing spring, holder, taper sleeve, is equipped with the boss along radial orientation epirelief on movement shaft's the inner wall, the spring mounting blocks in movement shaft's mounting hole to be held on the boss, in the mounting hole of holder one end insertion machine dabber and lie in the spring top, the other end of holder exposes outside movement shaft, the taper sleeve cover establish on the outer wall of holder and the cartridge in movement shaft's mounting hole. Through setting up the holder, make the structure of dental handpiece core simpler, the equipment is convenient, and the centre gripping is more firm during the use, avoids taking place to vibrate the scheduling problem unusually, and the security is higher.
Description
Technical field
The utility model relates to oral medical rotation instrument field, more particularly, relates to a kind of new type of safe push type high speed turbine dental handpiece movement and has the dental handpiece of this dental handpiece movement.
Background technology
The push type high speed handpiece using on the market at present press movement due to safety requirements, need multiple parts to ensure the reliability of its clamping, but such complex structure, assembly precision requires high, manufacturing cost is large, is unfavorable for current production requirement.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, a kind of new type of safe push type high speed turbine dental handpiece movement and dental handpiece are provided, this dental handpiece movement is due to the holder arranging, make the structure of dental handpiece movement simpler, easy to assembly, when use, clamping is more firm, avoid occurring the problems such as abnormal vibrations, security is higher.
The utility model solves the technical scheme that its technical problem adopts: a kind of new type of safe push type high speed turbine dental handpiece movement is provided, comprises machine mandrel, spring, holder and tapered sleeve; Described machine mandrel in axial direction offers the installing hole for mounting spring, holder, tapered sleeve, on the inwall of machine mandrel, convexes with boss on radially; Described spring fitting is in the installing hole of machine mandrel and be held on boss; In the installing hole of described holder one end insertion machine mandrel and be positioned at spring top, the other end of holder exposes to outside machine mandrel; Described tapered sleeve is set on the outer wall of holder and is inserted in the installing hole of machine mandrel.
New type of safe push type high speed turbine dental handpiece movement described in the utility model, wherein, described holder comprises the grip tube of hollow, is provided with at least two jaws for clampingc car pin in grip tube; One end of jaw is fixed in grip tube, and the other end of jaw is free end.
New type of safe push type high speed turbine dental handpiece movement described in the utility model, wherein, convexes with lug boss on the free-ended outer wall of described jaw.
New type of safe push type high speed turbine dental handpiece movement described in the utility model, wherein, is provided with the inclined-plane for compressing described lug boss on described tapered sleeve madial wall.
New type of safe push type high speed turbine dental handpiece movement described in the utility model, wherein, the bottom of described grip tube radially convexes with annular guide pad; The top of grip tube is provided with briquetting.
New type of safe push type high speed turbine dental handpiece movement described in the utility model, wherein, the internal diameter of the external diameter of described annular guide pad and machine mandrel's installing hole matches.
New type of safe push type high speed turbine dental handpiece movement described in the utility model, wherein, the quantity of described jaw is three.
The utility model also provides a kind of dental handpiece, comprises dental handpiece shell, is arranged on wind wheel, car pin, two bearings and new type of safe push type high speed turbine dental handpiece movement described above in dental handpiece shell; Described car cushion is contained in the machine mandrel of new type of safe push type high speed turbine dental handpiece movement, and described wind wheel is set on the outer wall of machine mandrel and driving machine mandrel rotates, and described two bearing holder (housing, cover)s are located on the outer wall of machine mandrel and lay respectively at the both sides of wind wheel.
Implement new type of safe push type high speed turbine dental handpiece movement of the present utility model, there is following beneficial effect:
(1) safe push type high speed turbine dental handpiece movement of the present utility model is without can realize the function of unloading pin, dress pin by specific purpose tool, and structure advanced person is easy to use, saves time, laborsaving; Car pin is stressed even in the course of the work, and vibration is few, smooth running in the time of High Rotation Speed;
(2) by holder is set, make the structure of dental handpiece movement simpler, easy to assembly, when use clamping more firm, avoid occurring the problems such as abnormal vibrations, security is higher;
(3) holder guide pad of the present utility model and machine mandrel's inwall tight fit can play guide effect in the time of assembling car pin, when installing after rear car pin, also can play and ensure that car pin can firmly be clamped in movement, and axial vibration can not occur;
(4) jaw of holder can be multiple, are generally three, can safety holding car pin by three clampings.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the new type of safe push type high speed turbine dental handpiece movement of the utility model preferred embodiment;
Fig. 2 is the disassembly diagram of the new type of safe push type high speed turbine dental handpiece movement of the utility model preferred embodiment;
Fig. 3 is the structural representation of holder in the new type of safe push type high speed turbine dental handpiece movement of the utility model preferred embodiment;
Fig. 4 is the structural representation of the dental handpiece of the utility model preferred embodiment;
Wherein, 1, new type of safe push type high speed turbine dental handpiece movement; 11, machine mandrel; 111, boss; 12, spring; 13, holder; 131, grip tube; 132, jaw; 133, lug boss; 134, annular guide pad; 135, briquetting; 14, tapered sleeve; 141, inclined-plane; 2, car pin; 3, wind wheel; 4, bearing.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the utility model is described further:
As shown in Figure 1-2, a kind of new type of safe push type high speed turbine dental handpiece movement 1, comprises machine mandrel 11, spring 12, holder 13 and tapered sleeve 14; Described machine mandrel 11 in axial direction offers the installing hole for mounting spring, holder, tapered sleeve, on the inwall of machine mandrel 11, convexes with boss 111 on radially; Described spring 12 is arranged in the installing hole of machine mandrel 11 and is held on boss 111; In the installing hole of described holder 13 one end insertion machine mandrels 11 and be positioned at the top of spring 12, the other end of holder 13 exposes to outside machine mandrel 11; Described tapered sleeve 14 is set on the outer wall of holder 13 and is inserted in the installing hole of machine mandrel 11. On described tapered sleeve 14 madial walls, be provided with the inclined-plane 141 for compressing described lug boss. What tapered sleeve of the present utility model made that holder can be fastening on the one hand is arranged in machine mandrel, makes on the other hand evenly can reduce vibration in car pin 2 is stressed in the course of the work, makes car pin smooth running in the time of High Rotation Speed.
As shown in Figure 3, described holder 13 comprises the grip tube 131 of hollow, is provided with at least two jaws 132 for clampingc car pin in grip tube; One end of jaw 132 is fixed in grip tube 131, and the other end of jaw 132 is free end. On the free-ended outer wall of jaw, convex with lug boss 133. The bottom of described grip tube 131 radially convexes with annular guide pad 134, and the internal diameter of the external diameter of annular guide pad 134 and machine mandrel's 11 installing holes matches; The annular guide pad of holder and machine mandrel's tight fit can play guide effect in the time of assembling car pin, when installing after rear car pin, also can play and ensure that car pin can firmly be clamped in movement, and axial vibration can not occur; The top of grip tube 131 is provided with briquetting 135. Only need can realize the function of unloading pin, dress pin by pressing briquetting, structure advanced person, easy to use, save time, laborsaving.
Preferably, the quantity of described jaw 132 is three. The jaw of holder can be multiple, are generally three, can safety holding car pin by three clampings.
The installation process of new type of safe push type high speed turbine dental handpiece movement of the present utility model is as follows:
First by spring fitting in the installing hole of machine mandrel, and support on the boss of machine mandrel, refill and join holder in machine mandrel, make the annular guide pad of holder be positioned at spring top, finally tapered sleeve be set on the lateral wall of holder and make the lateral wall of tapered sleeve be close to the installing hole inwall of machine mandrel, completing the assembling of movement. By the briquetting of pressing clip gripping member, holder can move down along machine mandrel, lug boss on holder jaw free end coordinates with the inner conical surface of tapered sleeve, jaw free end is opened outward, car needle guard is located in the grip tube of holder, holder is up moved by the elastic acting force of spring, and then jaw is subject to the conical surface guide effect clampingc car pin of tapered sleeve, completes the clamping to car pin. This axle construction of pressing is simple, easy to assembly, and clamping firmly, can ensure that dental handpiece ensures security reliability in the process running up.
As shown in Figure 4, the utility model also provides a kind of dental handpiece, comprises dental handpiece shell, is arranged on car pin 2 in dental handpiece shell, wind wheel 3, two bearings 4 and new type of safe push type high speed turbine dental handpiece movements 1 described above; Described car cushion is contained in the machine mandrel of new type of safe push type high speed turbine dental handpiece movement, and described wind wheel is set on the outer wall of machine mandrel and driving machine mandrel rotates, and described two bearing holder (housing, cover)s are located on the outer wall of machine mandrel and lay respectively at the both sides of wind wheel.
To one skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and deformation, and within these all changes and deformation all should belong to the protection domain of the utility model claim.
Claims (8)
1. new type of safe push type high speed turbine dental handpiece movement, is characterized in that, comprisesMachine mandrel, spring, holder and tapered sleeve; Described machine mandrel in axial direction offer forThe installing hole of mounting spring, holder, tapered sleeve, epirelief radially on the inwall of machine mandrelBe provided with boss; Described spring fitting is in the installing hole of machine mandrel and be held on boss; DescribedIn the installing hole of holder one end insertion machine mandrel and be positioned at spring top, the other end of holderExpose to outside machine mandrel; Described tapered sleeve is set on the outer wall of holder and is inserted into machine mandrelIn installing hole.
2. new type of safe push type high speed turbine dental handpiece machine according to claim 1Core, is characterized in that, described holder comprises the grip tube of hollow, in grip tube, is provided withAt least two jaws for clampingc car pin; One end of jaw is fixed in grip tube, jawThe other end is free end.
3. new type of safe push type high speed turbine dental handpiece machine according to claim 2Core, is characterized in that, on the free-ended outer wall of described jaw, convexes with lug boss.
4. new type of safe push type high speed turbine dental handpiece machine according to claim 3Core, is characterized in that, is provided with for compressing the oblique of described lug boss on described tapered sleeve madial wallFace.
5. new type of safe push type high speed turbine dental handpiece machine according to claim 2Core, is characterized in that, the bottom of described grip tube radially convexes with annular guide pad;The top of grip tube is provided with briquetting.
6. new type of safe push type high speed turbine dental handpiece machine according to claim 5Core, is characterized in that, the internal diameter of the external diameter of described annular guide pad and machine mandrel installing hole mutuallyJoin.
7. new type of safe push type high speed turbine dental handpiece machine according to claim 2Core, is characterized in that, the quantity of described jaw is three.
8. a dental handpiece, is characterized in that, comprises dental handpiece shell, is arranged on toothWind wheel in section's phone housing, car pin, two bearings and as claim 1-7 any one instituteThe new type of safe push type high speed turbine dental handpiece movement of stating; Described car cushion is contained in novel peaceIn the machine mandrel of full push type high speed turbine dental handpiece movement, described wind wheel is set in machine mandrelOuter wall on and driving machine mandrel rotate, described two bearing holder (housing, cover)s are located on the outer wall of machine mandrel alsoLay respectively at the both sides of wind wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520860457.XU CN205251719U (en) | 2015-10-29 | 2015-10-29 | Novel safe push type high speed turbine dental handpiece core and dental handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520860457.XU CN205251719U (en) | 2015-10-29 | 2015-10-29 | Novel safe push type high speed turbine dental handpiece core and dental handpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205251719U true CN205251719U (en) | 2016-05-25 |
Family
ID=55993272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520860457.XU Expired - Fee Related CN205251719U (en) | 2015-10-29 | 2015-10-29 | Novel safe push type high speed turbine dental handpiece core and dental handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205251719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109512532A (en) * | 2018-12-17 | 2019-03-26 | 宁波和平鸽口腔医疗器材有限公司 | Dental handpiece presses head |
| CN109998704A (en) * | 2019-04-07 | 2019-07-12 | 佛山市多易美医疗器材有限公司 | A kind of pressing axis |
-
2015
- 2015-10-29 CN CN201520860457.XU patent/CN205251719U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109512532A (en) * | 2018-12-17 | 2019-03-26 | 宁波和平鸽口腔医疗器材有限公司 | Dental handpiece presses head |
| CN109998704A (en) * | 2019-04-07 | 2019-07-12 | 佛山市多易美医疗器材有限公司 | A kind of pressing axis |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20181029 |