CN220237048U - Tooth polisher capable of preventing shaking - Google Patents
Tooth polisher capable of preventing shaking Download PDFInfo
- Publication number
- CN220237048U CN220237048U CN202321777293.5U CN202321777293U CN220237048U CN 220237048 U CN220237048 U CN 220237048U CN 202321777293 U CN202321777293 U CN 202321777293U CN 220237048 U CN220237048 U CN 220237048U
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- China
- Prior art keywords
- rotating shaft
- polishing
- shaft
- gear
- cavity
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- 238000005498 polishing Methods 0.000 claims abstract description 44
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 18
- 210000003128 head Anatomy 0.000 description 8
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a tooth polishing device capable of preventing shaking, which comprises a shell, a power source, a first bevel gear, a second bevel gear, a first rotating shaft, a second rotating shaft and a gear box, wherein the power source, the first bevel gear, the second bevel gear, the first rotating shaft, the second rotating shaft and the gear box are arranged in the shell; the gear box is provided with a first fixed cavity and a second fixed cavity, the power source is connected with the first end of the first rotating shaft and is used for driving the first rotating shaft to rotate, a first bearing for supporting the first rotating shaft is arranged in the first fixed cavity, and the second end of the first rotating shaft is connected with a first bevel gear; the second end of the second rotating shaft stretches into a second fixed cavity, a second bearing for supporting the second rotating shaft is arranged in the second fixed cavity, and the first umbrella tooth and the second umbrella tooth are meshed with each other; the first fixed cavity plays a role in supporting and fixing the first bearing, the second fixed cavity plays a role in supporting and fixing the second bearing, the first rotating shaft and the second rotating shaft rotate stably, the shaking of the first rotating shaft and the second rotating shaft can be prevented, the rotation is stable, the transmission is stable, and the noise is low.
Description
Technical Field
The utility model relates to the technical field of oral cavity cleaning tools, in particular to a tooth polishing device capable of preventing shaking.
Background
The tooth polishing device comprises a polishing head, a shell, a motor and a battery, wherein the motor and the battery are arranged in the shell, the battery supplies power to the motor, and the motor transmits power to the polishing head through a rotating shaft; the torque of the rotating shaft is smaller, the power is insufficient, and slipping is easy to occur.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a tooth grinding and polishing device capable of preventing shaking.
The utility model relates to a technical scheme that:
a tooth grinding polisher capable of preventing shaking comprises a shell, a power source, a first bevel gear, a second bevel gear, a first rotating shaft, a second rotating shaft and a gear box, wherein the power source, the first bevel gear, the second bevel gear and the first rotating shaft are arranged in the shell; the gear box is provided with a first fixed cavity and a second fixed cavity, the first fixed cavity and the second fixed cavity are communicated with each other, the power source is connected with the first end of the first rotating shaft and is used for driving the first rotating shaft to rotate, the second end of the first rotating shaft stretches into the first fixed cavity, a first bearing for supporting the first rotating shaft is arranged in the first fixed cavity, and the second end of the first rotating shaft is connected with a first umbrella tooth; the first end of the second rotating shaft stretches out of the second fixing cavity, the second end of the second rotating shaft stretches into the second fixing cavity, a second bearing supporting the second rotating shaft is arranged in the second fixing cavity, and the first umbrella tooth and the second umbrella tooth are meshed with each other.
The preferred scheme is that the inner side surface of the second fixing cavity is concavely provided with a shaft hole, a shaft sleeve is arranged in the shaft hole, and the second end of the second rotating shaft penetrates through the second fixing cavity and then stretches into the shaft sleeve.
The power source comprises a motor, a planetary gear and a transmission frame; the planetary gear comprises a sun gear, a plurality of planetary gears arranged around the sun gear and a fixed cover sleeved outside the planetary gears, wherein an annular gear is arranged on the fixed cover; the main shaft of the motor is connected with the central shaft of the sun gear; the top of fixed cover is run through and is had the through-hole, and the drive frame movable sleeve is established in the fixed cover, the drive frame includes the connecting axle to and set up the end cover in connecting axle one end, the end cover is equipped with a plurality of third axis of rotation, the third axis of rotation is connected with the axle center rotation of planet wheel, the other one end of connecting axle passes behind the through-hole and is connected with the first end of first axis of rotation.
In one preferred embodiment, a third bearing is disposed in the through hole, and the connecting shaft is sleeved in the third bearing.
Preferably, the connecting shaft is connected with the first end of the first rotating shaft through a connecting pipe.
Preferably, the housing comprises a handle portion, a connecting portion and a polishing portion; one end of the connecting part is connected with the polishing part, and the other end is connected with the handle part; the gear box is fixed at the joint of the connecting part and the polishing part, the first fixing cavity is positioned in the connecting part, the second fixing cavity is positioned in the polishing part, and the second rotating shaft is arranged in the polishing part along the length direction of the polishing part; the first rotating shaft is arranged in the connecting part along the length direction of the connecting part, a battery and a control board are arranged in the handle part, and the battery and the power source are respectively connected with the control board.
Preferably, the connecting portion and the polishing portion are disposed perpendicular to each other.
The preferred scheme is that a USB charging interface is arranged at the bottom of the shell and is connected with a battery.
One preferable scheme is that a first end of the second rotating shaft is connected with a polishing head.
The preferable scheme is that a waterproof ring is arranged outside the second rotating shaft, and the end face of the waterproof ring is contacted with the end face of the second fixing cavity.
In combination with the technical scheme, the utility model has the beneficial effects that: the gear box is fixed in the shell, the first rotating shaft rotates along the first bearing, the first bearing is fixed in the first fixed cavity, and the first bevel gear is positioned in the first fixed cavity; the second rotating shaft rotates along the second bearing, the second bearing is fixed in the second fixed cavity, the second bevel gear is positioned in the second fixed cavity, the first bevel gear is meshed with the second bevel gear, the power source drives the first rotating shaft to rotate, the first rotating shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the second rotating shaft to rotate, and the first fixed cavity supports and fixes the first bearing, the second fixed cavity supports and fixes the second bearing, the first rotating shaft and the second rotating shaft rotate stably, and shaking of the first rotating shaft and the second rotating shaft can be prevented; meanwhile, the motor drives the planetary gear to rotate, the planetary gear drives the transmission frame to rotate, the transmission frame drives the first rotating shaft to rotate, and the first rotating shaft drives the second rotating shaft through the first bevel gear and the second bevel gear. The second rotation shaft drives the polishing head to rotate, and the polishing head is used for polishing teeth.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model, given by way of illustration only, together with the accompanying drawings.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
FIG. 4 is a cross-sectional view of a power source of the present utility model;
FIG. 5 is a cross-sectional view of the gear box of the present utility model;
FIG. 6 is a perspective view of a drive carrier in accordance with the present utility model;
FIG. 7 is a cross-sectional view of the present utility model with the planet gears and carrier assembled;
FIG. 8 is a perspective view of a planet and sun gear of the present utility model;
fig. 9 is a cross-sectional view of a retaining cap in accordance with the present utility model.
Detailed Description
For the purpose of illustrating the concepts and objects of the utility model, the utility model is further described in connection with the drawings and detailed description that follow.
As shown in fig. 1 to 9, a tooth polisher capable of preventing vibration includes a housing 10, and a power source 20, a first bevel gear 41, a second bevel gear 42, a first rotation shaft 43, a second rotation shaft 44 and a gear box 30 provided in the housing 10; the gear box 30 is provided with a first fixed cavity 31 and a second fixed cavity 32, the first fixed cavity 31 and the second fixed cavity 32 are communicated with each other, the power source 20 is connected with a first end of a first rotating shaft 43 and is used for driving the first rotating shaft 43 to rotate, a second end of the first rotating shaft 43 stretches into the first fixed cavity 31, a first bearing 45 for supporting the first rotating shaft 43 is arranged in the first fixed cavity 31, and a second end of the first rotating shaft 43 is connected with a first umbrella tooth 41; the first end of the second rotating shaft 44 extends out of the second fixing cavity 32, the second end of the second rotating shaft 44 extends into the second fixing cavity 32, a second bearing 46 for supporting the second rotating shaft 44 is arranged in the second fixing cavity 32, and the first umbrella tooth 41 and the second umbrella tooth 42 are meshed with each other.
As shown in fig. 1 to 9, the gear box 30 is fixed in the housing 10, the first rotating shaft 43 rotates along the first bearing 45, the first rotating shaft 43 is sleeved with a clamp spring 47, the clamp spring 47 prevents the first bearing 45 from moving, the first bearing 45 is fixed in the first fixed cavity 31, and the first umbrella tooth 41 is positioned in the first fixed cavity 31; the second rotating shaft 44 rotates along the second bearing 46, the second bearing 46 is fixed in the second fixed cavity 32, the second bevel gear 42 is located in the second fixed cavity 32, the first bevel gear 41 is meshed with the second bevel gear 42, the power source 20 drives the first rotating shaft 43 to rotate, the first rotating shaft 43 drives the first bevel gear 41 to rotate, the first bevel gear 41 drives the second bevel gear 42 to rotate, the second bevel gear 42 drives the second rotating shaft to rotate, the first fixed cavity 31 supports and fixes the first bearing 45, the second fixed cavity 32 supports and fixes the second bearing 46, the first rotating shaft 43 and the second rotating shaft 44 rotate stably, and shaking of the first rotating shaft 43 and the second rotating shaft 44 can be prevented. Noise that can reduce the transmission and produce, the transmission is more stable, and the torsion increases, rotates faster, and the moment of torsion is bigger, is difficult for skidding, and whole transmission linearity is better, and the precision is higher, can not produce to rock, can not shake.
As shown in fig. 1 to 9, the inner side surface of the second fixing cavity 32 is concavely provided with a shaft hole 321, a shaft sleeve 322 is arranged in the shaft hole 321, and the second end of the second rotating shaft 44 passes through the second fixing cavity 32 and then extends into the shaft sleeve 322. The shaft sleeve 322 supports the second end of the second rotating shaft 44, and simultaneously prevents the second rotating shaft 44 from vibrating, so that the second rotating shaft 44 rotates stably. As shown in fig. 1 to 9, the power source 20 includes a motor 21, a planetary gear 22, and a carrier 23; the planetary gear 22 comprises a sun gear 221, a plurality of planetary gears 222 arranged around the sun gear 221, and a fixed cover 223 sleeved outside the planetary gears 222, wherein the fixed cover 223 is provided with an inner gear ring 224, the planetary gears 222 and the sun gear 221 are respectively covered in the fixed cover 223, the sun gear 221 is arranged in the center of the fixed cover 223, and the planetary gears 222 are respectively meshed with the sun gear 221 and the inner gear ring 224; a main shaft of the motor 21 is connected with a central shaft of the sun gear 221; the top of the fixed cover 223 is penetrated with a through hole 225, the transmission frame 23 is movably sleeved in the fixed cover 223, the transmission frame 23 comprises a connecting shaft 231 and an end cover 232 arranged at one end of the connecting shaft 231, the end cover 232 is provided with a plurality of third rotating shafts 233, the third rotating shafts 233 are rotationally connected with the axle center of the planet wheel 222, and the other end of the connecting shaft 231 is connected with the first end of the first rotating shaft 43 after passing through the through hole 225.
As shown in fig. 1 to 9, simultaneously, the motor 21 drives the planetary gear 22 to rotate, the planetary gear 22 drives the transmission frame 23 to rotate, the transmission frame 23 drives the first rotating shaft 43 to rotate, the first rotating shaft 43 drives the second rotating shaft 44 through the first bevel gear 41 and the second bevel gear 42, and the planetary gear 22 transmits power to the first rotating shaft 43 through the planetary gear 22 in the transmission mode of the utility model, and the first rotating shaft 43 transmits power to the second rotating shaft 44 through the first bevel gear 41 and the second bevel gear 42, so that noise generated in transmission can be reduced, the transmission is stable, the torque is increased, the rotation is faster, the torque is larger, the slipping is difficult, the whole transmission linearity is better, the precision is higher, and shaking cannot be generated. The motor 21 drives the sun gear 221 to rotate, the sun gear 221 drives the planet gears 222 to rotate, the planet gears 222 drive the transmission frame 23 to rotate, the transmission frame 23 drives the first rotating shaft 43 to rotate, and the first rotating shaft 43 drives the second rotating shaft 44 to rotate through the first umbrella teeth 41 and the second umbrella teeth 42. The first rotating shaft 43, the second rotating shaft 44 and the transmission frame 23 rotate relatively smoothly, and the fixed cover 223 is fixedly connected with the inner wall of the housing 10.
As shown in fig. 1 to 9, the through hole 225 is provided with a third bearing 226, and the connecting shaft 231 is rotatably sleeved in the third bearing 226. The third bearing 226 supports and fixes the connection shaft 231, preventing the connection shaft 231 from shaking.
As shown in fig. 1 to 9, the connection shaft 231 is connected to a first end of the first rotation shaft 43 through a connection pipe 227. The first rotating shaft 43 and the connecting shaft 231 are convenient to mount and dismount, and the power is convenient to drive.
As shown in fig. 1 to 9, the housing 10 includes a handle portion 11, a connecting portion 12, and a polishing portion 13; one end of the connecting portion 12 is connected to the polishing portion 13, and the other end is connected to the handle portion 11; the gear box 30 is fixed at the joint of the connecting part 12 and the polishing part 13, the first fixing cavity 31 is positioned in the connecting part 12, the second fixing cavity 32 is positioned in the polishing part 13, and the second rotating shaft 44 is arranged in the polishing part 13 along the length direction of the polishing part 13; the first rotating shaft 43 is disposed in the connecting portion 12 along the length direction of the connecting portion 12, the battery 14 and the control board 15 are disposed in the handle portion 11, and the battery 14 and the power source 20 are connected to the control board 15, respectively. The vibration of the joint is relatively large, and the gear case 30 is fixed at the joint of the joint 12 and the polishing part 13, so that the vibration of the first rotation shaft 43 and the second rotation shaft 44 can be reduced.
As shown in fig. 1 to 9, the connection portion 12 and the polishing portion 13 are disposed perpendicular to each other.
As shown in fig. 1 to 9, a USB charging interface is provided at the bottom of the housing 10, and the USB charging interface is connected to the battery 14. The external power source charges the battery 14 through the USB charging interface.
As shown in fig. 1 to 9, a polishing head is connected to a first end of the second rotating shaft 44. The sanding polishing head is used for polishing teeth. The second rotating shaft 44 rotates the sanding polishing head for sanding teeth.
As shown in fig. 1 to 9, a waterproof ring 441 is disposed outside the second rotating shaft 44, and an end surface of the waterproof ring 441 contacts an end surface of the second fixing chamber 32. The waterproof ring 441 plays a certain role in waterproofing.
The foregoing is a specific embodiment of the utility model, it will be appreciated by those skilled in the art that modifications and variations may be made without departing from the principles of the utility model, and such modifications and variations are to be regarded as being within the scope of the utility model.
Claims (10)
1. The tooth polisher capable of preventing shaking is characterized by comprising a shell, a power source, a first bevel gear, a second bevel gear, a first rotating shaft, a second rotating shaft and a gear box, wherein the power source, the first bevel gear, the second bevel gear, the first rotating shaft, the second rotating shaft and the gear box are arranged in the shell; the gear box is provided with a first fixed cavity and a second fixed cavity, the first fixed cavity and the second fixed cavity are communicated with each other, the power source is connected with the first end of the first rotating shaft and is used for driving the first rotating shaft to rotate, the second end of the first rotating shaft stretches into the first fixed cavity, a first bearing for supporting the first rotating shaft is arranged in the first fixed cavity, and the second end of the first rotating shaft is connected with a first umbrella tooth; the first end of the second rotating shaft stretches out of the second fixing cavity, the second end of the second rotating shaft stretches into the second fixing cavity, a second bearing supporting the second rotating shaft is arranged in the second fixing cavity, and the first umbrella tooth and the second umbrella tooth are meshed with each other.
2. The vibration-preventing tooth grinding and polishing device as set forth in claim 1, wherein the inner side surface of the second fixing cavity is concavely provided with a shaft hole, a shaft sleeve is arranged in the shaft hole, and the second end of the second rotating shaft passes through the second fixing cavity and then extends into the shaft sleeve.
3. The anti-rattle dental polisher of claim 1 wherein the power source includes a motor, planetary gears and a gear rack; the planetary gear comprises a sun gear, a plurality of planetary gears arranged around the sun gear and a fixed cover sleeved outside the planetary gears, wherein an annular gear is arranged on the fixed cover; the main shaft of the motor is connected with the central shaft of the sun gear; the top of fixed cover is run through and is had the through-hole, and the drive frame movable sleeve is established in the fixed cover, the drive frame includes the connecting axle to and set up the end cover in connecting axle one end, the end cover is equipped with a plurality of third axis of rotation, the third axis of rotation is connected with the axle center rotation of planet wheel, the other one end of connecting axle passes behind the through-hole and is connected with the first end of first axis of rotation.
4. A tooth-polishing apparatus as claimed in claim 3, wherein said through hole is provided therein with a third bearing, and said coupling sleeve is provided in said third bearing.
5. A tooth-polishing apparatus as claimed in claim 3, wherein said connection shaft is connected to the first end of the first rotation shaft by a connection tube.
6. A vibration-preventing dental grinding polisher according to claim 1 wherein the housing includes a handle portion, a connecting portion and a polishing portion; one end of the connecting part is connected with the polishing part, and the other end is connected with the handle part; the gear box is fixed at the joint of the connecting part and the polishing part, the first fixing cavity is positioned in the connecting part, the second fixing cavity is positioned in the polishing part, and the second rotating shaft is arranged in the polishing part along the length direction of the polishing part; the first rotating shaft is arranged in the connecting part along the length direction of the connecting part, a battery and a control board are arranged in the handle part, and the battery and the power source are respectively connected with the control board.
7. A tooth-polishing apparatus as claimed in claim 6, wherein said connecting portion and said polishing portion are disposed perpendicular to each other.
8. The anti-vibration dental grinding and polishing device as defined in claim 6, wherein the bottom of the housing is provided with a USB charging interface, and the USB charging interface is connected with a battery.
9. A tooth-polishing apparatus as claimed in any one of claims 1 to 8, wherein said second rotating shaft has a polishing head attached to a first end thereof.
10. A vibration-preventing dental grinding and polishing apparatus according to any one of claims 1 to 7, wherein a waterproof ring is provided outside the second rotation shaft, and an end surface of the waterproof ring is in contact with an end surface of the second fixing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777293.5U CN220237048U (en) | 2023-07-05 | 2023-07-05 | Tooth polisher capable of preventing shaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777293.5U CN220237048U (en) | 2023-07-05 | 2023-07-05 | Tooth polisher capable of preventing shaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220237048U true CN220237048U (en) | 2023-12-26 |
Family
ID=89269068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321777293.5U Active CN220237048U (en) | 2023-07-05 | 2023-07-05 | Tooth polisher capable of preventing shaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220237048U (en) |
-
2023
- 2023-07-05 CN CN202321777293.5U patent/CN220237048U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |