WO2008144985A1

WO2008144985A1 - Single-use and high-speed turbine handpiece for detal drill

Info

Publication number: WO2008144985A1
Application number: PCT/CN2007/070181
Authority: WO
Inventors: Zhang Fudong
Original assignee: Beijing North Pole Dentai Handpieces Co.Ltd
Priority date: 2007-05-28
Filing date: 2007-06-26
Publication date: 2008-12-04
Also published as: CN101053533A; CN100508912C

Abstract

A single-use and high-speed turbine handpiece for dental drill comprises a head (2), a front handle (18) and a back handle (6). Each one of the head (2), the front handle (18) and the back handle (6) is correspondingly provided with an air hole passage (11), a vapor hole passage (14) and a central water hole passage (13). An air delivering hose (4), a vapor hose (16) and a water delivering hose (15) are respectively coupled in the air hole passage (11), the central water hole passage (13) and vapor hole passage (14) of the front handle (18). The back end of the air delivering hose (4) is connected with a barb coupler (5) of the air hose in the back handle, and the front end of the air delivering hose (4) is connected with a barb coupler (3) of the air hose in the head, the outside of the connecting portions above being fastened by pipe ferrules. The back end of the vapor hose (16) is connected with a barb coupler (7) of the vapor hose in the back handle, and the front end of the vapor hose (16) is connected with a barb coupler (10) of the vapor hose in the head, the outside of the connecting portions above being fastened by pipe ferrules. The back end of the water delivering hose (15) is connected with a barb coupler (8)of the water hose in the back handle, and the front end of the water delivering hose (15) is connected with a barb coupler (9) of the water hose in the head, the outside of the connecting portions above being fastened by pipe ferrules.

Description

Instructions One-time high speed turbo drill mobile phone

Technical field

[1] The present invention pertains to a dental medical device, and more particularly to a hand-held device for drilling a tooth.

Background technique

[2] The high-speed turbo drill mobile phone is an essential hand-held device for drilling teeth in oral medicine, referred to as mobile phone. In order to prevent cross-infection of diseases, the hospital has widely used one person and one mobile phone. One-to-one disinfection method has also appeared. One-time use of a turbo drill mobile phone, the existing disposable mobile phone is connected with a metal gas pipe and a metal water pipe. The structure is more complicated, the assembly process is more troublesome, it needs welding, and the type 0 rubber sealing ring is needed to seal the air and water. This not only increases the processing cost of the mobile phone, but also is difficult to control the production quality in mass production, it is difficult to guarantee High pass rate.

Disclosure of invention

technical problem

[3] The object of the present invention is to provide a disposable high-speed turbine dental drill mobile phone, which mainly solves the technical problem of simplifying the assembly process of the mobile phone, and solves the problem of ensuring the quality of products mass-produced, reducing waste products, improving production efficiency, and reducing costs. .

Technical solution

[4] The disposable high-speed turbo drill mobile phone is formed by connecting the nose body 2, the front handle 18 and the rear handle 6, and has a cavity in the head body, and a wind wheel 19 is arranged in the cavity, and the wind wheel shaft Supported by the upper and lower bearings, the upper and lower damping 0-rings, the hollow shaft of the wind wheel shaft has a drill needle 1, and the body body, the front handle and the rear handle body have corresponding air hole passages 11, water mist air passages 14 and A central water hole passage 13 characterized by:

[5] The air hole channel, the central water hole channel and the water mist air hole channel in the head body 2 respectively extend backward to the organic head gas pipe barb joint 3, the head body water pipe barb joint 9 , the nose body water mist pipe end Thorn joint 10;

[6] The air hole passage, the central water hole passage and the water mist air passage in the rear handle 6 are respectively extended forward with a rear handle gas pipe barb joint 5, a rear handle water pipe barb joint 8, and a rear handle water mist pipe Barbed joint 7;

[7] The air hole passage, the central water hole passage and the water mist air passage in the front handle 18 are respectively connected by the gas supply hose 4, the water mist gas hose 16, and the water delivery hose 15; [8] The rear end of the gas supply hose 4 is connected to the rear handle gas pipe barb joint 5, and the front end of the gas supply hose 4 is connected with the head body tracheal barb joint 3, and the outer side of the joint is fastened by a pipe clamp ;

[9] The rear end of the water mist hose 16 is connected to the rear handle water mist tracheal barb joint 7, and the front end of the water mist hose 16 is connected with the nose body water mist trache barb joint 10, and the above joint is outside the tube Hoop fastening connection;

[10] The rear end of the water delivery hose 15 is connected to the rear handle water pipe barb joint 8, and the front end of the water delivery hose 15 is connected with the head body water pipe barb joint 9, and the outside of the connection is fastened by a pipe clamp .

[11] Preferred technical solution: The above-mentioned gas hose 4, water mist hose 16, and water hose 15 are high-elastic hoses made of rubber or plastic.

[12] The above-mentioned head body tracheal barbed joint 3, the head body water pipe barb joint 9. The nose body water mist tracheal barb joint

The lengths of the 10 backward extensions are not equal.

[13] The above-mentioned rear handlebar barb joints 5, the rear handlebar barb joints 8, the rear handle water mist tracheal barbed joints

The length of 7 forward extension is not equal.

[14] The above-mentioned head body tracheal barb joint 3 than the head pipe water barb joint 9 and the nose body water mist tracheal barbed joint

10 thick.

[15] The above-mentioned head water pipe barb joint 9 is the same as the outer diameter of the head body water mist tracheal barb joint.

[16] The central water hole passage is connected in series with the anti-back suction check valve. In the rear handle, an anti-back suction check valve may be provided between the water pipe barb joint and the center water hole passage.

Beneficial effect

[17] 1. The hose joint structure can be easily operated in the production line, eliminating the need for welding, which greatly simplifies the machining process and reduces costs.

[18] 2. The hose joint structure is connected reliably, which can greatly reduce the scrap rate and improve product reliability.

[19] 3. Various processing steps of the original rear handle and 0-ring are omitted.

[20] 4. Install the hose barb joint structure in the hole of the nose body and the rear handle that needs to be connected to the gas pipe. As shown in Figure 2 and Figure 4, the hose is inserted into the barbed joint at both ends and secured by the pipe clamp. The connection is firm without leaking water.

[21] The barbed joints are arranged in different lengths to facilitate easy installation and save connection space.

[22] The invention adopts a high-elastic hose connection, and a barb joint for the hose is arranged in the head body and the plastic back handle, and a high-elastic hose is inserted into the joint and fastened with a pipe clamp, and these hoses are replaced. The metal tube in the prior art. The highly elastic hose should be made of a rubber or plastic hose with suitable properties. The invention simplifies The assembly process of the mobile phone, and in mass production, it is easy to control the quality and reduce the waste, thereby greatly improving the production efficiency, reducing the cost, and ensuring the product quality.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of the present invention.

[24] Figure 2 is a schematic view of the hose barb joint mounted on the body.

[25] Figure 3 is a side view of the nose body.

[26] Figure 4 is a schematic view of the position of the hose barbed fitting on the rear handle.

Figure 5 is a side view of Figure 4.

[28] Figure 6 is a cross-sectional view of the connection between the tracheal barbed fitting and the gas hose and the pipe clamp.

[29] 1 a drill needle, 2 - head body, 3 - head body tracheal barb joint, 4 a gas hose, 5 - rear handle tracheal barb joint, 6 - rear handle, 7 - rear Handle water mist tracheal barb joint, 8 - rear handle pipe barb joint, 9 head pipe water barb joint, 10 - nose body water mist tracheal barb joint, 11 one air hole passage, 12 - anti-back Suction check valve, 13-center water hole passage, 14 water mist hole passage, 15-water hose, 16-water mist hose, 17-tube clamp, 18-front handle, 19-wind wheel, 20-lower bearing, 21-upper bearing, 22-upper vibration 0-ring, 23-down damping 0-ring.

BEST MODE FOR CARRYING OUT THE INVENTION

[30] Embodiments Referring to FIG. 1-5, a disposable high-speed turbo drill mobile phone is formed by connecting a nose body 2, a front handle 18 and an injection molded rear handle 6, and a cavity is formed in the nose body. A wind wheel 19 is arranged in the cavity, and the wind wheel shaft is supported by the upper and lower bearings and the upper and lower damping 0-rings. The hollow shaft of the wind wheel shaft has a drill needle 1, and the body of the nose body, the front handle and the rear handle have corresponding bodies. a vent channel 11, a water mist vent channel 14 and a central water hole channel 13, wherein the central water hole channel is connected in series with the anti-back suction check valve, and in the rear shank, between the water pipe barb joint and the central water hole channel Anti-back suction check valve.

[31] The air hole passage, the central water hole passage and the water mist air passage in the front handle 18 are respectively connected by the gas supply hose 4, the water mist hose 16, and the water delivery hose 15.

[32] The rear end of the gas supply hose 4 is connected to the rear handle gas pipe barb joint 5, and the front end of the gas supply hose 4 is connected with the head body gas pipe barb joint 3, and the outer side of the joint is fastened by a pipe clamp. .

[33] The rear end of the water mist hose 16 is connected to the rear handle water mist tracheal barb joint 7, and the front end of the water mist hose 16 is connected with the nose body water mist tracheal barb joint 10, and the above joint is outside the tube The hoop is fastened. [34] The rear end of the water delivery hose 15 is connected to the rear handle water pipe barb joint 8, and the front end of the water delivery hose 15 is connected with the nose body water pipe barb joint 9, and the outer side of the connection is fastened by a pipe clamp. .

[35] The above gas hose 4, water mist hose 16, water hose 15 is a high elastic hose made of rubber or plastic

. The hose needs to have sufficient strength and flexibility.

[36] Referring to Figure 2-3, the air hole channel, the central water hole channel and the water mist air hole channel in the head body 2 respectively extend backward to the organic head gas pipe barb joint 3, the head pipe water barb joint 9, machine Head water mist tracheal barb joint 1

[37] For easy installation, the head pipe barb joint 3, the head pipe barb joint 9. The nose body water mist pipe barb joint 10 The length of the backward extension is not equal. The above-mentioned head body tracheal barb joint 3 is thicker than the head pipe water pipe barb joint 9 and the nose body water mist trache barb joint. The above-mentioned head water pipe barb joint 9 is the same as the outer diameter of the nozzle body water mist pipe barb joint.

[38] Referring to Fig. 4-5, the air hole passage, the central water hole passage and the water mist air passage in the rear handle 6 are respectively extended forward with a rear handle air tube barb joint 5, a rear handle water tube barb joint 8, Rear handle water mist tracheal barbed joint 7

. Each of the barbed joints described above has an annular barb at one end of the tube wall.

[39] Rear handlebar barb joints 5. Rear handle hose barb joints 8. Rear handle water mist tracheal barb joints 7 The length of the forward extension is not equal. Rear handle tracheal barbed fitting 5 outer diameter size and head body tracheal barbed fitting

3 same, the rear handle pipe barb joint 8 and the rear handle water mist pipe barb joint 7 outer diameter size and the head body water pipe barb joint 9 and the nose body water mist pipe barb joint 10 the same.

[40] Fig. 6 is a detailed view of the connection between the head body tracheal barb joint 3 and the gas hose 4, the head body tracheal barb joint 3 is inserted into the gas hose 4, and the tube clamp 17 is tightened, so that It can be firmly connected so that the hose does not fall off during stretching.

[41] The drill needle 1 is clamped in the center of the wind wheel shaft by the button pin mechanism, and the compressed air for driving the wind wheel passes through the air hole passage 11 of the rear handle 6 through the tracheal barb joint 5 and the gas supply hose 4, the head body gas pipe The barbed joint 3 enters the head body to drive the wind wheel to rotate, thereby driving the drill to cut the teeth. The pressure water for cooling the water mist is from the center water hole passage 13 of the rear handle 6, through the waterproof suction suction check valve 12, the rear handle water pipe barb joint 8, the water delivery hose 15, the nose body water pipe barb joint 9 from Cooling water is sprayed from the front of the nose. The water mist is formed from the water mist hole passage 14 in the rear handle, the rear handle water mist tracheal barb joint 7, the water mist hose 16, the nose body water mist tracheal barb joint 10 enters the front part of the nose body Converging with the sprayed cooling water to form a water mist to cool the drill. The installation method of the disposable high-speed turbo drill mobile phone: each hose is first fixed with the barb joint of one side of the machine head or the rear handle, and then the front handle is put on, the hose is elongated and cut into pieces. The length is inserted into the barbed joint at the other end, and the pipe clamp is fixed, the hose is loosened, and the hose is naturally reset by elasticity. Fix the front handle with the machine head, the front handle and the rear handle, and connect the mobile phone gas pipe.

Claims

Claim

1. A disposable high-speed turbine dental drill mobile phone, which is formed by connecting a nose body (2), a front handle (18) and a rear handle (6), wherein a cavity is arranged in the nose body, and a wind is arranged in the cavity. Wheel (19), the wind turbine shaft is supported by the upper and lower bearings and the upper and lower damping 0-rings. The hollow shaft of the wind wheel shaft has a drilling needle (1), and the body of the nose body, the front handle and the rear handle have corresponding air holes. Channel ( 11 ), water mist hole channel ( 14

And a central water hole channel (13), characterized by:

The air hole channel, the central water hole channel and the water mist air hole channel in the head body (2) respectively extend the organic head gas pipe barb joint (3), the head pipe water barb joint (9), the head body water Fog tracheal barbed joint (10);

The air hole passage, the central water hole passage and the water mist air passage in the rear handle (6) respectively extend forward with a rear handle air tube barb joint (5), a rear handle water tube barb joint (8), and a rear handle Water mist tracheal barbed joint (7) _;

The air hole passage, the central water hole passage and the water mist air passage in the front handle (18) are respectively connected by the gas transmission hose (4), the water mist hose (16), and the water delivery hose (15);

The rear end of the gas hose (4) is connected to the rear handle barb barb joint (5), and the front end of the gas hose (4) is connected to the head body tracheal barb joint (3). The pipe clamp is fastened; the rear end of the water mist hose (16) is connected with the rear handle water mist pipe barb joint (7), the front end of the water mist hose (16) and the nose body water mist pipe barb joint (10) connection, the outside of the above joint is fastened by a pipe clamp;

The rear end of the water hose (15) is connected to the rear handlebar barb joint (8), and the front end of the water hose (15) is connected to the head water pipe barb joint (9). Hoop fastening connection

2. The disposable high speed turbo drill mobile phone according to claim 1, wherein: said air hose (4), water mist hose (16), and water hose (15) are made of rubber or plastic. Made of high elastic hose.

3. The disposable high speed turbo drill mobile phone according to claim 1 or 2, wherein: the head body tracheal barb joint (3), the head body water pipe barb joint (9), the head body water The length of the fog pipe barb joint (10) extending backward is not equal.

[4] 4. The disposable high-speed turbo drill mobile phone according to claim 1 or 2, wherein: the rear handle gas pipe barb joint (5), the rear handle water pipe barb joint (8), and the rear The handle of the water mist tracheal barb joint (7) is not equal in length.

[5] 5. The disposable high-speed turbo drill mobile phone according to claim 1 or 2, wherein: the head body tracheal barb joint (3) is more than the head pipe barb joint (9) and the machine The head body water mist tracheal barb joint (10) is thick.

[6] 6. The disposable high-speed turbo drill mobile phone according to claim 1 or 2, wherein: the head water pipe barb joint (9) and the nose body water mist tracheal barb joint (10) The outer diameter is the same.

[7] 7. The disposable high speed turbo drill mobile phone according to claim 1 or 2, wherein: the central water hole passage is connected in series with the anti-back suction check valve, and in the rear handle, the water pipe barb An anti-back suction check valve is provided between the joint and the central water passage.