CN201906020U - Dental handpiece with airflow generator - Google Patents
Dental handpiece with airflow generator Download PDFInfo
- Publication number
- CN201906020U CN201906020U CN2010205391920U CN201020539192U CN201906020U CN 201906020 U CN201906020 U CN 201906020U CN 2010205391920 U CN2010205391920 U CN 2010205391920U CN 201020539192 U CN201020539192 U CN 201020539192U CN 201906020 U CN201906020 U CN 201906020U
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- China
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- impeller housing
- air flow
- electric generator
- impeller
- flow electric
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Abstract
The utility model discloses a dental handpiece with an airflow generator, relates to a technical field of medical treatment used in dental operation, and particularly relates to the improvement on the illuminating function of the dental handpiece. The dental handpiece with the airflow generator solves the problem of inconvenience for use of the existing dental handpiece without illuminating function. The dental handpiece with the airflow generator comprises a turbine handpiece, a handle and a connector and is characterized in that the handle is also internally provided with one airflow generator, the airflow generator is connected in series in an air guide pipeline, and the side wall at the front end of the handle is provided with an LED (light emitting diode) lamp which is connected with the voltage output end of the airflow generator and provided with working power by the airflow generator. The airflow generator supplies electric energy, and the discomfort to a human body caused by leaked electricity or static electricity that is generated during connection with an external power supply is avoided. And the airflow generator is applicable to slow-connection type and fast-connection type dental handpieces.
Description
Technical field
This utility model relates to used a kind of field of medical technology in the dental operation, refers more particularly to dental handpiece illumination functions improvement aspect.
Background technology
At present, dental handpiece is the abbreviation of high speed dental turbo mobile phone, is called dental drill again, belongs to a kind of medical apparatus and instruments of dentistry.The turbine head of dental handpiece is by air stream drives, and the air-flow that imports from the union joint of handle tail end enters in the turbine head through the inducing QI pipeline, makes the turbine head obtain power.In the dental operation process of cleaning or treating, must could know the sufferer of finding out on the tooth by light, and accurately operate safely, because oral cavity space is narrow and small, stopping of the easy operation receiveing person's health of extraneous light, differential intensity of light causes maloperation easily.At this situation, though, someone proposes to set up lighting source on the front end of dental handpiece, as Chinese patent ZL 95103892.3, the dental handpiece of disclosed a kind of built-in illuminator, in handpiece, contain optical conductor by many fiber optics Shu Zucheng, but, the price of the turbine high speed dental handpiece of this band optical fiber generally exceeds 20%～40% than the dental handpiece with optical fiber not, and its light intensity can weaken along with the prolonging the worker of service time, in disinfecting process, make the binding resin blackening of optical fiber head, even making the optical fibers fracture, complex structure needs the external power supply power supply source.
Summary of the invention
In sum, the purpose of this utility model is not to be with illumination functions to use inconvenience for solving existing dental handpiece, or solves illumination and have complex structure by setting up optical fiber, the technical problem that cost is high and a kind of dental handpiece that is provided with air flow electric generator of proposing.
For solving the technical problem that this utility model exists, the technical scheme that adopts is: a kind of dental handpiece that is provided with air flow electric generator, comprise: turbine head, handle and union joint, described turbine head and union joint are located at handle front end and tail end respectively, being provided with the air-flow that will import in the union joint in the described intracavity of handle passes in the turbine head, make the inducing QI pipeline of turbine head height speed rotation, it is characterized in that: also be provided with an air flow electric generator in the described handle, described air flow electric generator is serially connected in the inducing QI pipeline; On described handle front end side wall, also be provided with one and be connected, and the LED lamp of working power is provided by air flow electric generator with the voltage output end of air flow electric generator.
Described union joint and handle tail end are for being fastenedly connected.
Described union joint is that connect-disconnect structure is connected with the handle tail end.
Be provided with the electromotor cavity volume in the described intracavity of handle; The front end of described electromotor cavity volume and tail end are established air inlet and gas outlet respectively, and described air inlet is connected inlet and outlet with union joint with the turbine head by the inducing QI pipeline respectively with the gas outlet; Described air flow electric generator includes: impeller, impeller housing and electromotor body; Described impeller housing is a cylinder, and impeller is located in the impeller housing, and the electromotor body is located at the front end of impeller housing, and the rotor of electromotor body is fixedlyed connected with impeller is coaxial; At least be provided with a steering current on the described impeller housing sidewall and enter the air inlet that makes the impeller rotation in the impeller housing; On the tail end of described impeller housing, also be provided with steam vent; Described air flow electric generator is located in the electromotor cavity volume, and the impeller housing tail end sidewall of air flow electric generator and electromotor cavity volume inwall are closely connected.
Described motor body comprises: rotor, rotor case, stator winding and stator case; Described rotor case is that an end is uncovered, the cylinder of other end sealing, and described rotor is a permanent magnet, is located in the rotor case, and wherein the open end of rotor case is connected with impeller housing, and an end of sealing is inner to flexibly connect by axle with rotor; Described stator winding is sheathed on the outside of rotor case, and stator case is located at outside the stator winding, an end of stator case and impeller housing wherein an end by being threaded.
The outer dia of described stator case is less than the impeller housing outer dia; Described impeller housing sidewall is provided with from an end that connects stator case and begins to finish to the air inlet position, and spiral stream guidance groove from big to small.
Described impeller is conical turbine structure, also is provided with an impeller housing support that cooperates with the impeller clearance in impeller housing, and steam vent is located on the impeller housing support, also is provided with the through hole corresponding with air inlet on the impeller housing support.
Also be provided with a tight loop that is used for fastening impeller housing support at the cavity hatch place of impeller housing, tight loop is connected with impeller housing.
Described tight loop partly is located at outside the impeller housing, is provided with a circle groove on the outer wall outside being located at impeller housing, is provided with sealing ring in groove.
Described stator winding comprises: coil holder, coil and stalloy, and described coil is wound on the coil holder, and stalloy is that annular slice is placed in outside the coil holder.
The beneficial effect that this utility model has really is: this utility model is the impeller rotation that utilizes the air-flow drive air flow electric generator in the existing airflow pipeline of flowing through, the electricity that air flow electric generator is sent provides illumination required electric energy for the LED lamp, solve conventional mobile phone and do not have the illumination function, or the use inconvenience of external power supply, reduce cost.In addition, the oral cavity is a very sensitive part of human body, the discomfort that electric leakage that this utility model is produced in the time of can avoiding connecting external power source or static produce human body.This utility model is not only applicable to the formula that connects the slowly dental handpiece that union joint and handle are fastenedly connected, and is applicable to that also union joint and handle tail end are the fast-connecting type dental handpiece that connect-disconnect structure is connected.
Description of drawings
Fig. 1 is an overall structure sketch map of the present utility model;
Fig. 2 is a decomposition texture sketch map of the present utility model;
Fig. 3 is the perspective view of air flow electric generator of the present utility model;
Fig. 4 is the decomposition texture sketch map of air flow electric generator of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing and preferred specific embodiment, structure of the present utility model is further described:
Shown in seeing figures.1.and.2, this utility model comprises: handle 1, turbine head 2 and union joint 3, described turbine head 2 and union joint 3 are located at handle 1 front end and tail end respectively.Described union joint 3 and handle 1 tail end that is to say the usually said formula that connects slowly dental handpiece for being fastenedly connected; Described union joint 3 also can be connect-disconnect structure with handle 1 tail end and is connected, and that is to say the usually said formula that connects slowly dental handpiece.Be provided with the inducing QI pipeline in described handle 1 inner chamber, the inducing QI pipeline is used for the air-flow that union joint 3 imports is transferred in the turbine head 2, makes the rotation of turbine head height speed, also is provided with an air flow electric generator 5 in the described handle 1.
Also be provided with electromotor cavity volume 6 in described handle 1 inner chamber; The front end of described electromotor cavity volume 6 and tail end are established air inlet 61 and gas outlet respectively, and described air inlet 61 is connected the inlet and outlet effect of playing by the inducing QI pipeline with union joint 3 respectively with the gas outlet with turbine head 2.
Described air flow electric generator 5 includes: impeller 53, impeller housing 51 and electromotor body 52; Described impeller housing 51 is a cylinder, and impeller 53 is located in the impeller housing 51, and electromotor body 52 is located at the front end of impeller housing 51, the rotor 521 of electromotor body 52 and impeller 53 coaxial fixedlying connected; Be provided with two steering currents on described impeller housing 51 sidewalls symmetrically and enter the air inlet 511 that makes impeller 53 rotations in the impeller housing 51; On the tail end of described impeller housing 51, also be provided with steam vent.The outer dia of described stator case 524 is less than impeller housing 51 outer dias; Described impeller housing 51 sidewalls are provided with from an end that connects stator case 524 and begin to finish to air inlet 511 positions, and spiral stream guidance groove 512 from big to small.
Described motor body 52 comprises: rotor 521, rotor case 522, stator winding 523 and stator case 524; Described rotor case 522 is that an end is uncovered, the cylinder of other end sealing, described rotor 521 is a permanent magnet, is located in the rotor case 522, wherein rotor case 522 open ends are connected with impeller housing 51, and an end of sealing is inner to flexibly connect by axle 5211 with rotor 521; Described stator winding 523 is sheathed on the outside of rotor case 522, and stator case 524 is located at outside the stator winding 523, an end of stator case 524 and impeller housing 51 wherein an end by being threaded or tight fit is connected.Described stator winding 523 comprises: coil holder 5231, coil 5233 and stalloy 5232, and described coil 5233 is wound on the coil holder 5231, and stalloy 5232 is placed in outside the coil holder 5231 for annular slice.Also be provided with a fixed support 526 that is used for fixing at stator winding 523 in the stator case 524, fixed support 526 is provided with and cooperates locating notch 5261 with stator case.
Described impeller 53 is conical turbine structure, in impeller housing 51, also be provided with an impeller housing support 54 with impeller 53 matched in clearance, steam vent 541 is located on the impeller housing support 54, also is provided with the through hole 542 corresponding with air inlet 511 on the impeller housing support 541.Also be provided with a tight loop 55 that is used for fastening impeller housing support 541 at the cavity hatch place of impeller housing 51, tight loop 55 is connected with impeller housing 51.Described tight loop 55 has the part of half to be located at outside the impeller housing 51, is provided with a circle groove outside being located at impeller housing 51 on the outer wall of part, is provided with sealing ring 56 in groove.
Described air flow electric generator 5 is located in the electromotor cavity volume 6, and the impeller housing 51 tail end sidewalls and electromotor cavity volume 6 inwalls of air flow electric generator 5 are closely connected.The air-flow that enters in the electromotor cavity 6 can only be incorporated into air inlet 511 from spiral stream guidance groove 512, promote impeller 53 rotation backs and discharge air flow electric generator 5 from steam vent 541, discharges electromotor cavity volume 6 at last again.Thereby air flow electric generator 5 power, and then convert electric energy to, for the LED lamp of being located on handle 1 front end side wall provides working power.
Claims (8)
1. dental handpiece that is provided with air flow electric generator, comprise: turbine head, handle and union joint, described turbine head and union joint are located at handle front end and tail end respectively, being provided with the air-flow that will import in the union joint in the described intracavity of handle passes in the turbine head, make the inducing QI pipeline of turbine head height speed rotation, it is characterized in that: also be provided with an air flow electric generator in the described handle, described air flow electric generator is serially connected in the inducing QI pipeline; Also be provided with one and be connected with the voltage output end of air flow electric generator on described handle front end side wall, and provide the LED lamp of working power by air flow electric generator, described union joint and handle tail end are for being fastenedly connected.
2. a kind of dental handpiece that is provided with air flow electric generator according to claim 1 is characterized in that: be provided with the electromotor cavity volume in the described intracavity of handle; The front end of described electromotor cavity volume and tail end are established air inlet and gas outlet respectively, and described air inlet is connected inlet and outlet with union joint with the turbine head by the inducing QI pipeline respectively with the gas outlet; Described air flow electric generator includes: impeller, impeller housing and electromotor body; Described impeller housing is a cylinder, and impeller is located in the impeller housing, and the electromotor body is located at the front end of impeller housing, and the rotor of electromotor body is fixedlyed connected with impeller is coaxial; At least be provided with a steering current on the described impeller housing sidewall and enter the air inlet that makes the impeller rotation in the impeller housing; On the tail end of described impeller housing, also be provided with steam vent; Described air flow electric generator is located in the electromotor cavity volume, and the impeller housing tail end sidewall of air flow electric generator and electromotor cavity volume inwall are closely connected.
3. a kind of dental handpiece that is provided with air flow electric generator according to claim 2, it is characterized in that: described motor body comprises: rotor, rotor case, stator winding and stator case; Described rotor case is that an end is uncovered, the cylinder of other end sealing, and described rotor is a permanent magnet, is located in the rotor case, and wherein the open end of rotor case is connected with impeller housing, and an end of sealing is inner to flexibly connect by axle with rotor; Described stator winding is sheathed on the outside of rotor case, and stator case is located at outside the stator winding, an end of stator case and impeller housing wherein an end by being threaded.
4. a kind of dental handpiece that is provided with air flow electric generator according to claim 3, it is characterized in that: the outer dia of described stator case is less than the impeller housing outer dia; Described impeller housing sidewall is provided with from an end that connects stator case and begins to finish to the air inlet position, and spiral stream guidance groove from big to small.
5. a kind of dental handpiece that is provided with air flow electric generator according to claim 3, it is characterized in that: described impeller is conical turbine structure, in impeller housing, also be provided with an impeller housing support that cooperates with the impeller clearance, steam vent is located on the impeller housing support, also is provided with the through hole corresponding with air inlet on the impeller housing support.
6. a kind of dental handpiece that is provided with air flow electric generator according to claim 5 is characterized in that: also be provided with a tight loop that is used for fastening impeller housing support at the cavity hatch place of impeller housing, tight loop is connected with impeller housing.
7. a kind of dental handpiece that is provided with air flow electric generator according to claim 6 is characterized in that: described tight loop partly is located at outside the impeller housing, is provided with a circle groove on the outer wall outside being located at impeller housing, is provided with sealing ring in groove.
8. a kind of dental handpiece that is provided with air flow electric generator according to claim 3, it is characterized in that: described stator winding comprises: coil holder, coil and stalloy, described coil is wound on the coil holder, and stalloy is that annular slice is placed in outside the coil holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205391920U CN201906020U (en) | 2010-09-23 | 2010-09-23 | Dental handpiece with airflow generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205391920U CN201906020U (en) | 2010-09-23 | 2010-09-23 | Dental handpiece with airflow generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201906020U true CN201906020U (en) | 2011-07-27 |
Family
ID=44298231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205391920U Expired - Fee Related CN201906020U (en) | 2010-09-23 | 2010-09-23 | Dental handpiece with airflow generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201906020U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190958A (en) * | 2012-01-06 | 2013-07-10 | 尹蓓莉 | Generator contained quick LED light source dental drill handpiece |
| CN103300933A (en) * | 2012-03-12 | 2013-09-18 | 余礼建 | Wind light environment-friendly dental mobile phone with three-point atomizing function and quick plug |
| CN106420073A (en) * | 2016-07-04 | 2017-02-22 | 佛山市稳建精密五金有限公司 | Novel dental handpiece connecting tube with power generating function |
-
2010
- 2010-09-23 CN CN2010205391920U patent/CN201906020U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190958A (en) * | 2012-01-06 | 2013-07-10 | 尹蓓莉 | Generator contained quick LED light source dental drill handpiece |
| CN103300933A (en) * | 2012-03-12 | 2013-09-18 | 余礼建 | Wind light environment-friendly dental mobile phone with three-point atomizing function and quick plug |
| CN106420073A (en) * | 2016-07-04 | 2017-02-22 | 佛山市稳建精密五金有限公司 | Novel dental handpiece connecting tube with power generating function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20130923 |