CN104055582A - Dental handpiece - Google Patents
Dental handpiece Download PDFInfo
- Publication number
- CN104055582A CN104055582A CN201410299375.2A CN201410299375A CN104055582A CN 104055582 A CN104055582 A CN 104055582A CN 201410299375 A CN201410299375 A CN 201410299375A CN 104055582 A CN104055582 A CN 104055582A
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- China
- Prior art keywords
- water
- shower nozzle
- handpiece
- filled pipe
- outlet
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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.)
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Abstract
The invention discloses a dental handpiece. The handpiece comprises a nose and a handle connected with the nose, wherein the nose comprises a nose casing, a core arranged outside the nose casing, a nose rear cover used for fixing the core on the nose shell, and a nozzle formed in a water connecting pipeline, wherein the nozzle is detachably arranged at the bottom of the nose, the upper end face of the nozzle is connected with the bottom of the core, and the lower end face of the nozzle is aligned to the bottom of the nose shell; the water inlet of the water connecting pipeline is connected with the outlet of a water way in the handle, and the water outlet of the water connecting pipeline is formed in the bottom of the nozzle and introduced out of the nose casing. The water connecting pipeline on the nose is arranged on the detachable nozzle, and the nose can be detached and washed after being used, so that the dental handpiece is convenient and easy to wash; furthermore, the nozzle can be changed, so that the service life of the dental handpiece can be prolonged.
Description
Technical field
The present invention relates to oral cavity medical apparatus technical field, be specifically related to a kind of dental handpiece.
Background technology
High speed turbine dental handpiece is a kind of conventional medical apparatus and instruments of the department of stomatology; its operation principle is to utilize high pressure air pressure to blow turbine to be then with motor-car pin to run up; rotating speed is conventionally more than 200,000 revs/min; in order to cut tooth body, dispel the bad tissue of dental caries; or prepare baking-ceramic tooth, also can be used for the artificial tooth etc. of polishing.
High speed turbine dental handpiece (being called for short " dental handpiece ") is comprised of handle, head etc., and head comprises the parts such as handpiece case, movement, head bonnet.On the head of dental handpiece, be provided with gas circuit and water route, gas circuit is incorporated into movement by high pressure draught, drives the wind wheel high speed rotating work on movement; Introducing water source, water route is from the bottom hole for water spraying ejection of head.
The water route of existing dental handpiece heads is to be set directly between the double-deck double wall of handpiece case, causes this water route to be difficult to clean.The Chinese utility model patent that is also CN202605036U just like publication number, the disposable spray high-speed turbine dental > of < < > discloses water spray passage has been set in head, the sparge pipe in this water spray channel connection handle.Water spray passage downwards by spout around car pin hole pass-out head shell.Although this scheme has been stopped jet channel resorption dirt, but because water spray passage is also arranged on the head shell wall inside of head bottom and forms ring-type water spray passage around car pin hole, after dental handpiece long-term work, can cause the water spray passage of head shell wall inside contaminated, stop up, and be difficult to be cleaned clean.
Summary of the invention
Technical problem to be solved by this invention is to provide the dental handpiece that water-filled pipe on a kind of head is detachable, replaceable, be easy to clean water-filled pipe foreign body.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of dental handpiece, comprise head and the handle being connected with head, described head comprises handpiece case, is arranged on the movement in handpiece case and movement is fixed on to the head bonnet on handpiece case, also comprise the shower nozzle that offers water-filled pipe, the dismountable head bottom that is arranged on of this shower nozzle, its upper surface and movement bottom connection, lower surface is concordant with the bottom of handpiece case, the water inlet of described water-filled pipe is connected with the outlet in water route in handle, and the outlet of water-filled pipe is opened in bottom the pass-out handpiece case of shower nozzle.
This programme unlike the prior art water-filled pipe on head is not arranged on handpiece case, but the water-filled pipe on head is arranged on dismountable shower nozzle, after being used to complete, detachably get off to clean the foreign body of water-filled pipe, in order to avoid stop up water-filled pipe.
For easy for installation, allow the water-filled pipe on shower nozzle conveniently dock with the water route in handle, on described shower nozzle, offer the groove around shower nozzle outer wall, this groove and handpiece case inwall form the tank with annular cavity, this tank is connected with the outlet in water route in handle, and the water inlet of described water-filled pipe is connected with tank.
In order to improve the water spray cooling effect of dental handpiece, described water-filled pipe can be for more than 3 or 3, and the water inlet of water-filled pipe is all connected with tank, and the outlet of water-filled pipe is all opened in the bottom of shower nozzle and around car pin hole pass-out handpiece case.
Top for fear of water from shower nozzle spills, and impacts to the movement of work high speed rotation, also offers the indent conduit around shower nozzle outer wall between tank and shower nozzle top, is provided with rubber waterproof O type circle in this indent conduit.
Described in such scheme, handpiece case can be single layer structure.
In order to make movement and shower nozzle can fix more firmly, the car pin on movement is not rocked when high speed rotating, described shower nozzle can be up big and down small cone structure.
In order to allow the water of ejection form atomization, on water-filled pipe, offer air inlet described in such scheme, this air inlet is connected with the outlet of gas circuit in handle.
For easy for installation, allow vent line on shower nozzle and convenient docking of gas circuit in handle, on described shower nozzle, offer air inlet, this air inlet corresponding around forming space between position and handpiece case, this space is connected with the outlet of gas circuit in handle.
Compared with prior art, the present invention is arranged on the water-filled pipe on head on dismountable shower nozzle, after being used to complete, disassembling and cleans, not only convenient, and is easier to clean up; Can change shower nozzle in addition, extend the service life of dental handpiece; And tank consists of shower nozzle outer wall and handpiece case inwall, after shower nozzle is taken out, the wall body that forms tank on shower nozzle and handpiece case is all open architecture, is easy to cleaning and sterilizing.
Accompanying drawing explanation
Fig. 1 is explosive view of the present invention;
Fig. 2 is the cutaway view Amplified image of shower nozzle.
Number in the figure is: 1, handpiece case; 2, movement; 3, shower nozzle; 4, head bonnet; 5, water-filled pipe; 5-1, water inlet; 5-2, outlet; 6, air inlet; 7, tank; 8, hands handle; 9, rubber waterproof O type circle.
The specific embodiment
A kind of dental handpiece of the present invention, the handle 8 that comprise head, is connected with head, described handle 8 is same as the prior art.As shown in Figure 1, 2, described head comprises handpiece case 1, be arranged on movement 2 in handpiece case 1, movement 2 is fixed on to the head bonnet 4 on handpiece case 1, and the shower nozzle 3 that offers water-filled pipe 5.The hollow structure that described handpiece case 1 is both ends open, on handpiece case 1, offer and female thread, on head bonnet 4, offer with handpiece case 1 on the external screw thread of screw-internal thread fit, movement 2 is through handpiece case 1, head bonnet 4 is enclosed within on the upper end of movement 2, and by being threaded movement 2 is fixed on handpiece case 1 with handpiece case 1.
The dismountable head bottom that is arranged on of described shower nozzle 3, its upper surface and movement 2 bottom connections, lower surface is concordant with the bottom of handpiece case 1, the water inlet 5-1 of described water-filled pipe 5 is connected with the outlet in water route in handle 8, and the outlet 5-2 of water-filled pipe 5 is opened in bottom the pass-out handpiece case 1 of shower nozzle 3.Described handpiece case 1 can be single layer structure, can be also double-decker.During for single layer structure, on handpiece case 1, offer through hole, the water inlet 5-1 of water-filled pipe 5 is directly connected with the outlet in water route in handle 8; When handpiece case 1 is double-decker, double-decker at handpiece case 1 is all offered through hole, with a bit of pipeline, will the water inlet 5-1 of water-filled pipe 5 be connected with the outlet in water route in handle 8 through through hole, in order to make the structure of head simpler, it is easier to process, and in this preferred implementation, described handpiece case 1 is single layer structure, and offer through hole, the water inlet 5-1 of water-filled pipe 5 is directly connected with the outlet in water route in handle 8.
On described shower nozzle 3, be surrounded with the tank 7 with annular cavity, this tank 7 can be arranged on the autonomous channel on shower nozzle 3, also can be by the groove being opened on shower nozzle 3 outer walls around shower nozzle 3 outer walls, this groove and handpiece case 1 inwall form tank 7, in order to be easier to cleaning sink 7, in this preferred implementation, described tank 7 is formed by groove and handpiece case 1 inwall, tank 7 is connected with the outlet in water route in handle 8, and the water inlet 5-1 of described water-filled pipe 5 is connected with tank 7.
For fear of water, from the top of shower nozzle 3, spill, impact to the movement 2 of work high speed rotation, between tank 7 and shower nozzle 3 tops, also offer the indent conduit around shower nozzle 3 outer walls, in this indent conduit, be provided with rubber waterproof O type circle 9.
Described water-filled pipe 5 is more than 1 or 1, is preferably 3.The water inlet 5-1 of water-filled pipe 5 is all connected with tank 7, and the outlet 5-2 of water-filled pipe 5 is all opened in the lower curtate of shower nozzle 3 and around car pin hole pass-out handpiece case 1.
It is outer that described shower nozzle 3 can directly be enclosed within movement 2, then by head bonnet 4 and the interconnect function of handpiece case 1, movement 2 and shower nozzle 3 is fixed in handpiece case 1, in order to be easier to fix, is easy to dismounting, and described shower nozzle 3 is up big and down small cone structure.
On described water-filled pipe 5, offer air inlet 6, this air inlet 6 is connected with the outlet of gas circuit in handle 8.Air inlet 6 is communicated with water-filled pipe 5, can form air-swirl, makes cleanout fluid atomization, and affected part is cleaned.For easy for installation, allow vent line on shower nozzle 3 and convenient docking of gas circuit in handle 8, on described shower nozzle 3, offer air inlet 6, these air inlet 6 correspondences around position and 1 formation space of handpiece case, this space is connected with the outlet of gas circuit in handle 8.
Claims (8)
1. a dental handpiece, comprise head and the handle being connected with head (8), described head comprises handpiece case (1), be arranged on the movement (2) in handpiece case (1), and movement (2) is fixed on to the head bonnet (4) on handpiece case (1), it is characterized in that: also comprise the shower nozzle (3) that offers water-filled pipe (5), the dismountable head bottom that is arranged on of this shower nozzle (3), its upper surface and movement (2) bottom connection, lower surface is concordant with the bottom of handpiece case (1), the outlet in the water route that the water inlet (5-1) of described water-filled pipe (5) is interior with handle (8) is connected, the outlet (5-2) of water-filled pipe (5) is opened in bottom the pass-out handpiece case (1) of shower nozzle (3).
2. dental handpiece according to claim 1, it is characterized in that: on described shower nozzle (3), offer the groove around shower nozzle (3) outer wall, this groove and handpiece case (1) inwall forms the tank (7) with annular cavity, the outlet in the water route that this tank (7) is interior with handle (8) is connected, and the water inlet (5-1) of described water-filled pipe (5) is connected with tank (7).
3. dental handpiece according to claim 2, it is characterized in that: described water-filled pipe (5) is more than 3 or 3, the water inlet (5-1) of water-filled pipe (5) is all connected with tank (7), and the outlet (5-2) of water-filled pipe (5) is all opened in the bottom of shower nozzle (3) and around car pin hole pass-out handpiece case (1).
4. dental handpiece according to claim 2, is characterized in that: between tank (7) and shower nozzle (3) top, also offer the indent conduit around shower nozzle (3) outer wall, be provided with rubber waterproof O type circle (9) in this indent conduit.
5. dental handpiece according to claim 1, is characterized in that: described handpiece case (1) is single layer structure.
6. according to the dental handpiece described in claim 1-4 any one, it is characterized in that: described shower nozzle (3) is up big and down small cone structure.
7. according to the dental handpiece described in claim 1-4 any one, it is characterized in that: on described water-filled pipe (5), offer air inlet (6), the outlet of the gas circuit that this air inlet (6) is interior with handle (8) is connected.
8. according to the dental handpiece described in claim 1-4 any one, it is characterized in that: on described shower nozzle (3), offer air inlet (6), this air inlet (6) corresponding around forming space between position and handpiece case (1), the outlet of the gas circuit that this space is interior with handle (8) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299375.2A CN104055582A (en) | 2014-06-27 | 2014-06-27 | Dental handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299375.2A CN104055582A (en) | 2014-06-27 | 2014-06-27 | Dental handpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104055582A true CN104055582A (en) | 2014-09-24 |
Family
ID=51543711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410299375.2A Pending CN104055582A (en) | 2014-06-27 | 2014-06-27 | Dental handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104055582A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106420074A (en) * | 2016-10-24 | 2017-02-22 | 西诺医疗器械集团有限公司 | Ladder cooling structure for 45-degree contra-angle dental handpiece |
| CN110179553A (en) * | 2018-12-18 | 2019-08-30 | 贝思德迩医疗器材(广州)有限公司 | The high speed handpiece that head cylinder and cylinder seat angle are 95 degree |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3433570A1 (en) * | 1984-09-13 | 1986-03-20 | Leiter, Alfred, 7530 Pforzheim | Circulating tool for surgical, especially dental surgical, purposes and device for supplying the instrument with a coolant |
| US4975056A (en) * | 1988-08-25 | 1990-12-04 | Kaltenbach & Voigt Gmbh & Co. | Medical, especially dental handpiece |
| CN202605036U (en) * | 2011-03-29 | 2012-12-19 | 刘晓霞 | Disposable spray high-speed turbine dental handpiece |
| CN203988426U (en) * | 2014-06-27 | 2014-12-10 | 桂林市啄木鸟医疗器械有限公司 | A kind of dental handpiece |
-
2014
- 2014-06-27 CN CN201410299375.2A patent/CN104055582A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3433570A1 (en) * | 1984-09-13 | 1986-03-20 | Leiter, Alfred, 7530 Pforzheim | Circulating tool for surgical, especially dental surgical, purposes and device for supplying the instrument with a coolant |
| US4975056A (en) * | 1988-08-25 | 1990-12-04 | Kaltenbach & Voigt Gmbh & Co. | Medical, especially dental handpiece |
| CN202605036U (en) * | 2011-03-29 | 2012-12-19 | 刘晓霞 | Disposable spray high-speed turbine dental handpiece |
| CN203988426U (en) * | 2014-06-27 | 2014-12-10 | 桂林市啄木鸟医疗器械有限公司 | A kind of dental handpiece |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106420074A (en) * | 2016-10-24 | 2017-02-22 | 西诺医疗器械集团有限公司 | Ladder cooling structure for 45-degree contra-angle dental handpiece |
| CN110179553A (en) * | 2018-12-18 | 2019-08-30 | 贝思德迩医疗器材(广州)有限公司 | The high speed handpiece that head cylinder and cylinder seat angle are 95 degree |
| CN110179553B (en) * | 2018-12-18 | 2021-09-03 | 贝思德迩医疗器材(广州)有限公司 | High-speed mobile phone with 95-degree included angle between handpiece cylinder and cylinder seat |
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Application publication date: 20140924 |
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| WD01 | Invention patent application deemed withdrawn after publication |