CN211271250U - Portable anti-suck-back dental high-speed turbine handpiece - Google Patents
Portable anti-suck-back dental high-speed turbine handpiece Download PDFInfo
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- CN211271250U CN211271250U CN201922345038.3U CN201922345038U CN211271250U CN 211271250 U CN211271250 U CN 211271250U CN 201922345038 U CN201922345038 U CN 201922345038U CN 211271250 U CN211271250 U CN 211271250U
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- handpiece
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- speed turbine
- suck
- needle
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Abstract
The utility model discloses a portable anti-suck-back dental high-speed turbine handpiece, which comprises a handle part and a handpiece part connected on the handle part, wherein the handpiece part comprises a handpiece shell and a hollow shaft, a handpiece impeller is embedded on the hollow shaft, the bottom of the hollow shaft is connected with a needle, the left side and the right side of the needle are respectively provided with a sewage discharge hole and a spray hole, the bottom of the handpiece part is provided with a front cover, the front cover is provided with a first arc-shaped groove and a second arc-shaped groove which respectively correspond to the sewage discharge hole and the spray hole, an atomization water inlet pipe and an air inlet pipe are connected in the four-hole joint, the air inlet pipe is provided with a ball valve, the atomization water inlet pipe is connected with a one-way valve, the utility model can realize the functions of head part antifouling, sewage discharge and suck-back prevention by rotating the front cover, the pipeline in the handle is provided with the, and the adjusting ball valve can control the rotation rate of the needle.
Description
Technical Field
The utility model belongs to the technical field of electronic equipment and specifically relates to a high-speed turbine cell-phone of light anti-suck-back dentistry.
Background
The dental turbine handpiece used by dentists drives a core impeller in the dental drill handpiece by supplying air through an air compressor so as to drive a turning needle to drill, mill, grind, throw and other treatment operations, but the rotation speed of the core impeller is often required to be adjusted on the air compressor when the rotation speed of the core impeller is controlled, so that the rotation speed of the core impeller cannot be quickly adjusted; when the dental turbine handpiece is used, the phenomenon of back suction is easy to occur, and the oral cavity of a patient is damaged; accordingly, there is a need for improved dental turbine handpiece constructions.
SUMMERY OF THE UTILITY MODEL
The utility model is not enough to the above-mentioned technique, provide one kind can realize the antifouling, blowdown of nose part and prevent the function of resorption through rotating the protecgulum, pipeline in the handle is equipped with the check valve and can prevents that the filth from entering into in the handle, and adjusts ball valve and can control car needle rotation rate, the shell that the aluminum alloy was made can the person of facilitating the use's the high-speed turbine cell-phone of dentistry who carries and use.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
portable anti-suck-back dental high-speed turbine handpiece comprises a handpiece part and a handpiece part connected to the handpiece part, wherein the handpiece part comprises a handpiece shell made of aluminum alloy and a four-hole joint, the handpiece part comprises a handpiece body and a connecting handle, the top of the handpiece body is provided with a rear cover, the handpiece body comprises a handpiece shell made of aluminum alloy and a hollow shaft, a handpiece impeller is embedded into the hollow shaft, bearings are arranged at the upper end and the lower end of the handpiece impeller, a needle is connected to the bottom of the hollow shaft, a sewage discharge hole and a spray hole are respectively arranged at the left side and the right side of the needle, a rubber pad is arranged at the outer side of the bearing at the upper end and the lower end of the handpiece impeller, a front cover is arranged at the bottom of the handpiece body and is connected to the handpiece body through the matching between a ring block, the car needle runs through outside the protecgulum, be equipped with first arc wall and second arc wall that corresponds with blowoff hole and spraying hole position respectively on the protecgulum, four jogged joint inscriptions have atomizing inlet tube and intake pipe, be equipped with the globe valve in the intake pipe, be connected with the check valve on the atomizing inlet tube.
Further, sealing rings are arranged in the handpiece shells on the upper side and the lower side of the machine core impeller.
Further, brake rubber is arranged at the tops of the sewage draining hole and the spraying hole, and the bottom surface of the brake rubber is arc-shaped.
Furthermore, at least two through holes are formed in the bottom surface of the machine head shell, and a third arc-shaped groove corresponding to the through holes is formed in the front cover.
Furthermore, the ball valve is provided with an adjusting rod, and the outer end of the adjusting rod is connected with an adjusting knob.
The utility model has the advantages that:
can realize antifouling to the aircraft nose portion through rotating the protecgulum, the blowdown and the function of preventing the resorption, pipeline in the handle is equipped with the check valve and can prevents that the filth from entering into in the handle, and adjust the ball valve and can control car needle rotation rate, be equipped with the sealing washer in the aircraft nose, the leakproofness that enables the aircraft nose is promoted, play waterproof and prevent leaking the effect, set up the rubber pad on the bearing in the aircraft nose, can reduce the vibrations that the hollow shaft produced when rotating, and can effectively protect the part in the aircraft nose when receiving external force impact, the shell that the aluminum alloy was made can person of facilitating the use carry and use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the head portion.
Fig. 3 is a schematic view of the structure of the handle portion.
Fig. 4 is a bottom structural view of the handle portion.
Fig. 5 is a partially enlarged schematic view at a.
Fig. 6 is a schematic structural view of the bottom of the front cover.
In the figure, a handle part 1, a machine head part 2, a handle shell 3, a four-hole joint 4, a machine head body 5, a connecting handle 6, a rear cover 7, a machine head shell 8, a hollow shaft 9, a machine core impeller 10, a bearing 11, a needle 12, a sewage discharge hole 13, a spray hole 14, a rubber pad 15, a front cover 16, an annular block 17, a first annular groove 18, a first arc-shaped groove 19, a second arc-shaped groove 20, an atomization water inlet pipe 21, an air inlet pipe 23, a ball valve 25, a check valve 26, a sealing ring 27, brake rubber 28, a through hole 29, a third arc-shaped groove 30, an adjusting rod 31 and an adjusting knob 32.
Detailed Description
As shown in fig. 1 to 6, the portable anti-suck-back dental high-speed turbine handpiece comprises a handle part 1 and a handpiece part 2 connected to the handle part 1, wherein the handle part 1 is composed of a handle shell 3 made of aluminum alloy and a four-hole joint 4, the handpiece part 2 comprises a handpiece body 5 and a connecting handle 6, a rear cover 7 is arranged at the top of the handpiece body 5, the handpiece body 5 comprises a handpiece shell 8 made of aluminum alloy and a hollow shaft 9, a handpiece impeller 10 is embedded in the hollow shaft 9, bearings 11 are arranged at the upper end and the lower end of the handpiece impeller 10, a needle 12 is connected to the bottom of the hollow shaft 9, a sewage discharge hole 13 and a spray hole 14 are respectively arranged at the left side and the right side of the needle 12, a rubber pad 15 is arranged at the outer side of the bearing 11 at the upper end and the lower end of the handpiece impeller 10, and, the cooperation between the first ring channel 18 on protecgulum 16 through the annular piece 17 on the surface and the aircraft nose shell 8 is connected on the aircraft nose body 5, outside the sewing needle 12 runs through the protecgulum 16, be equipped with on the protecgulum 16 respectively with first arc wall 19 and the second arc wall 20 that blowoff hole 13 and spray hole 14 position correspond, four orifice joint 4 inscribe have atomizing inlet tube 21 and intake pipe 23, be equipped with the globe valve 25 on the intake pipe 23, be connected with check valve 26 on the atomizing inlet tube 21.
And sealing rings 27 are arranged in the handpiece shell 8 at the upper side and the lower side of the machine core impeller 10.
At least two through holes 29 are formed in the bottom surface of the handpiece shell 8, and a third arc-shaped groove 30 corresponding to the through holes 29 is formed in the front cover 16.
An adjusting rod 31 is arranged on the ball valve 25, and an adjusting knob 32 is connected to the outer end of the adjusting rod 31.
The first arc-shaped groove 19 and the second arc-shaped groove 20 are rotated to the sewage discharge hole 13 and the spray hole 14 by rotating the front cover 16, so that the third arc-shaped groove 30 is also rotated to the position corresponding to the through hole 29, water can enter a space formed by the brake rubber 28 and the handpiece shell 8, the bottom surface of the brake rubber 28 is arc-shaped, so that the water can flow more smoothly, the generation of residual water drops is avoided, and the water can conveniently flow to the sewage discharge hole 13 to be discharged; if the pollution discharge in the machine head is not needed, the first arc-shaped groove 19 and the third arc-shaped groove 30 are rotated to the positions where the pollution discharge hole 13 and the through hole 29 do not correspond by rotating the front cover 16, so that the front cover 16 seals the machine head shell 8, and the phenomenon of back suction of pollutants is prevented.
The atomizing water inlet pipe 21 in the handle is provided with the check valve 26 which can prevent dirt from entering the handle, and can drive the adjusting rod 31 to rotate by twisting the adjusting knob 32, when the adjusting rod 31 rotates, the adjusting rod 31 can drive a ball (not shown in the figure) in the ball valve 25 to rotate, thereby adjusting the direction of a through hole on the ball, controlling the size of a channel in the ball valve 25, further controlling the air flow entering the air inlet pipe 23, realizing the function of quickly adjusting and controlling the rotation speed of the needle 12, the inside of the handpiece is provided with the sealing ring 27 which can improve the sealing performance of the handpiece and play the roles of water and leakage prevention, the bearing 11 in the handpiece is provided with the rubber pad 15 which can reduce the vibration generated when the hollow shaft 9 rotates, and can effectively protect the components in the handpiece when being impacted by external force, the handle shell 3 and the handpiece shell 8 made of aluminum alloy can reduce the weight of the whole handpiece, is convenient for the user to carry and use.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. Portable anti-suck-back dental high-speed turbine handpiece comprises a handpiece part and a handpiece part connected to the handpiece part, wherein the handpiece part comprises a handpiece shell made of aluminum alloy and a four-hole joint, the handpiece part comprises a handpiece body and a connecting handle, the top of the handpiece body is provided with a rear cover, the handpiece body comprises a handpiece shell made of aluminum alloy and a hollow shaft, a handpiece impeller is embedded into the hollow shaft, bearings are arranged at the upper end and the lower end of the handpiece impeller, the bottom of the hollow shaft is connected with a needle, the left side and the right side of the needle are respectively provided with a sewage discharge hole and a spray hole, the portable anti-suck-back dental high-speed turbine handpiece is characterized in that a rubber pad is arranged outside the bearings at the upper end and the lower end of the handpiece impeller, the bottom of the handpiece body is provided with a front cover, and the front cover, the car needle runs through outside the protecgulum, be equipped with first arc wall and second arc wall that corresponds with blowoff hole and spraying hole position respectively on the protecgulum, four jogged joint inscriptions have atomizing inlet tube and intake pipe, be equipped with the globe valve in the intake pipe, be connected with the check valve respectively in atomizing inlet tube and the atomizing intake pipe.
2. The portable back-suction-preventing dental high-speed turbine handpiece as claimed in claim 1, wherein sealing rings are provided in the handpiece housings on the upper and lower sides of the movement impeller.
3. The portable anti-suck-back dental high-speed turbine handpiece as claimed in claim 1, wherein brake rubber is arranged on the top of the sewage discharge hole and the spray hole, and the bottom surface of the brake rubber is arc-shaped.
4. The portable back-suction-preventing dental high-speed turbine handpiece as claimed in claim 1, wherein the handpiece housing has at least two through holes on the bottom surface thereof, and the front cover has a third arc-shaped groove corresponding to the through holes.
5. The portable back-suction-preventing dental high-speed turbine handpiece as claimed in claim 1, wherein the ball valve is provided with an adjusting rod, and an adjusting knob is connected to the outer end of the adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345038.3U CN211271250U (en) | 2019-12-24 | 2019-12-24 | Portable anti-suck-back dental high-speed turbine handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345038.3U CN211271250U (en) | 2019-12-24 | 2019-12-24 | Portable anti-suck-back dental high-speed turbine handpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211271250U true CN211271250U (en) | 2020-08-18 |
Family
ID=72025122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922345038.3U Active CN211271250U (en) | 2019-12-24 | 2019-12-24 | Portable anti-suck-back dental high-speed turbine handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211271250U (en) |
-
2019
- 2019-12-24 CN CN201922345038.3U patent/CN211271250U/en active Active
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