CN203988426U - A kind of dental handpiece - Google Patents
A kind of dental handpiece Download PDFInfo
- Publication number
- CN203988426U CN203988426U CN201420350349.3U CN201420350349U CN203988426U CN 203988426 U CN203988426 U CN 203988426U CN 201420350349 U CN201420350349 U CN 201420350349U CN 203988426 U CN203988426 U CN 203988426U
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- water
- shower nozzle
- handpiece
- filled pipe
- head
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Abstract
This utility model discloses a kind of dental handpiece, comprise head and the handle being connected with head, wherein 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 the water route in handle, and the outlet of water-filled pipe is opened in bottom the pass-out handpiece case of shower nozzle.This utility model 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 in addition shower nozzle, extend the service life of dental handpiece.
Description
Technical field
This utility model relates to oral cavity medical apparatus technical field, is specifically related to a kind of dental handpiece.
Background technology
High speed turbine dental handpiece is the conventional medical apparatus and instruments of the one 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; dispel the bad tissue of dental caries in order to cut tooth body; 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 made up 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, high pressure draught is incorporated into movement by gas circuit, 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, " disposable spray high-speed turbine dental " 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.
Utility model content
Technical problem to be solved in the utility model 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 adopted in the utility model 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 the 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 the 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 that more than 3 or 3 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 in the time of 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 the 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 the gas circuit in handle.
Compared with prior art, this utility model 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 in addition shower nozzle, extend the service life of dental handpiece; And tank is made up 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.
Brief description of the drawings
Fig. 1 is explosive view of the present utility model;
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.
Detailed description of the invention
A kind of dental handpiece of this utility model, the handle 8 that comprises 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 offers the shower nozzle 3 of 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 the 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 the water route in handle 8; When handpiece case 1 is double-decker, double-decker at handpiece case 1 is all offered through hole, to pass through hole with a bit of pipeline is connected the water inlet 5-1 of water-filled pipe 5 with the outlet in the water route in handle 8, 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 the 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 being opened in the groove around shower nozzle 3 outer walls on 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 the water route in handle 8, and the water inlet 5-1 of described water-filled pipe 5 is connected with tank 7.
Spill from the top of shower nozzle 3 for fear of water, 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 the 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 formation space between position and handpiece case 1, this space is connected with the outlet of the gas circuit in handle 8.
Claims (8)
1. a dental handpiece, comprise head and the handle (8) being connected with head, 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 water inlet (5-1) of described water-filled pipe (5) is connected with the outlet in the water route in handle (8), 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, this tank (7) is connected with the outlet in the water route in handle (8), 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, it is characterized in that: between tank (7) and shower nozzle (3) top, also offer the indent conduit around shower nozzle (3) outer wall, in this indent conduit, be provided with rubber waterproof O type circle (9).
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), this air inlet (6) is connected with the outlet of the gas circuit in handle (8).
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 this space gas circuit interior with handle (8) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350349.3U CN203988426U (en) | 2014-06-27 | 2014-06-27 | A kind of dental handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350349.3U CN203988426U (en) | 2014-06-27 | 2014-06-27 | A kind of dental handpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203988426U true CN203988426U (en) | 2014-12-10 |
Family
ID=52028514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420350349.3U Active CN203988426U (en) | 2014-06-27 | 2014-06-27 | A kind of dental handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203988426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055582A (en) * | 2014-06-27 | 2014-09-24 | 桂林市啄木鸟医疗器械有限公司 | Dental handpiece |
-
2014
- 2014-06-27 CN CN201420350349.3U patent/CN203988426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055582A (en) * | 2014-06-27 | 2014-09-24 | 桂林市啄木鸟医疗器械有限公司 | Dental handpiece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |