CN218449766U - Gear motor and nail grinding device - Google Patents
Gear motor and nail grinding device Download PDFInfo
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- CN218449766U CN218449766U CN202221736434.4U CN202221736434U CN218449766U CN 218449766 U CN218449766 U CN 218449766U CN 202221736434 U CN202221736434 U CN 202221736434U CN 218449766 U CN218449766 U CN 218449766U
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- gear
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Abstract
The utility model discloses a speed reducing motor and a nail grinding device, which comprises a motor body and a speed reducing box in transmission connection with the motor body through a transmission gear; the reduction gearbox comprises a lower cover body, a gear ring transmission assembly for driving a functional part and three planetary gear assemblies which are uniformly distributed and surround the transmission gear; the transmission gear penetrates through the lower cover body, the three planetary gear assemblies are rotatably arranged on the lower cover body and meshed with the transmission gear, and the gear ring transmission assembly covers the three planetary gear assemblies and is meshed with the three planetary gear assemblies simultaneously. The utility model discloses can improve gear motor's output torque, reduce the required precision to the gear.
Description
Technical Field
The utility model relates to a first beautiful equipment especially indicates a gear motor and nail grinding device.
Background
The existing nail grinding device generally adopts a plastic gear, can radially bear larger friction resistance in the using process, generally needs to improve torque to prevent a motor from stalling, and improves the torque to bear higher strength by the gear. Increasing the gear torque generally requires the use of large module gears or the use of higher strength gears, but the selection of these two gears will greatly increase the production cost of the nail grinder.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the gear motor and the nail polisher are provided, and the gear torque is improved on the premise that the gear type is not changed.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a speed reducing motor comprises a motor body and a speed reducing box in transmission connection with the motor body through a transmission gear;
the reduction gearbox comprises a lower cover body, a gear ring transmission assembly for driving the functional part and three planetary gear assemblies which are uniformly distributed and arranged around the transmission gear;
the transmission gear penetrates through the lower cover body, the three planetary gear assemblies are rotatably arranged on the lower cover body and meshed with the transmission gear, and the gear ring transmission assembly covers the three planetary gear assemblies and is meshed with the three planetary gear assemblies simultaneously.
Further, the planetary gear assembly includes a gear body and a positioning shaft;
the gear body is rotatably arranged on the lower cover body through the positioning shaft.
Furthermore, the lower cover body is provided with three positioning holes for inserting the positioning shafts.
Further, the transmission gear penetrates through the axis of the lower cover body.
Further, the ring gear transmission assembly comprises a ring gear body and a drive shaft;
the driving shaft is fixedly connected with one side, far away from the motor body, of the gear ring body, and the axis of the driving shaft is overlapped with the axis of the gear ring body.
Further, the device also comprises an upper cover body;
the upper cover body is clamped with the lower cover body to form a reduction gearbox shell.
Furthermore, the circumferential outer wall of the lower cover body is provided with a plug connector and a clamping piece in a surrounding manner;
go up the lid orientation the one end of lid down have with plug connector assorted constant head tank and with joint spare assorted draw-in groove.
In order to solve the technical problem, the utility model discloses a another technical scheme be:
a nail polisher comprises a polishing head, a shell and the speed reducing motor;
the gear motor is arranged in the shell, and a driving shaft of the gear ring transmission assembly penetrates through the shell to be in transmission connection with the grinding head.
Further, a motor bushing is sleeved outside the motor body of the speed reducing motor.
Further, the driving shaft of the gear ring transmission assembly is in transmission connection with the grinding head through a motor bushing.
The beneficial effects of the utility model reside in that: the three planetary gear assemblies are connected with the motor body through the transmission gears, so that the output torque of the motor body is improved, the gear without replacing a larger die is not required to be improved, the gear production cost is reduced, the three planetary gear assemblies are arranged, the transmission stability in the working engineering of the nail grinding device is improved, and the working noise is reduced.
Drawings
Fig. 1 is an exploded view of a reduction motor according to the present invention;
fig. 2 is an exploded view of the middle nail polisher of the present invention.
Description of reference numerals:
1. a motor body; 2. a transmission gear;
3. a reduction gearbox; 31. a lower cover body; 311. positioning holes; 312. a plug-in unit; 313. a clamping piece; 32. a gear ring transmission component; 321. a ring gear cover; 322. a drive pin; 323. a gear ring body; 324. a drive shaft; 33. a planetary gear assembly; 331. a gear body; 332. positioning the shaft; 34. an upper cover body; 341. positioning a groove; 342. a card slot;
4. grinding heads; 5. a housing; 6. a circuit board; 7. a motor bushing.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, a speed reduction motor includes a motor body and a speed reduction box in transmission connection with the motor body through a transmission gear;
the reduction gearbox comprises a lower cover body, a gear ring transmission assembly for driving the functional part and three planetary gear assemblies which are uniformly distributed and arranged around the transmission gear;
the transmission gear penetrates through the lower cover body, the three planetary gear assemblies are rotatably arranged on the lower cover body and meshed with the transmission gear, and the gear ring transmission assembly covers the three planetary gear assemblies and is meshed with the three planetary gear assemblies simultaneously.
According to the three planetary gear assemblies, the three planetary gear assemblies are in transmission connection with the motor body through the transmission gears, the output torque of the motor body is improved, the gear which needs not to be replaced with a larger die does not need to be improved, the gear production cost is reduced, the three planetary gear assemblies are arranged, the transmission stability in the working engineering of the nail grinding device is improved, and the working noise is reduced.
Further, the planetary gear assembly includes a gear body and a positioning shaft;
the gear body is rotatably arranged on the lower cover body through the positioning shaft.
It can be known from the above description that the gear body is rotationally installed on the lower cover through the positioning shaft, so that the gear body transmits the grinding head positioned outside the lower cover through the positioning shaft.
Furthermore, three positioning holes for inserting the positioning shafts are formed in the lower cover body.
As can be seen from the above description, the arrangement of the positioning holes is used for limiting the three positioning shafts, so that the stability is improved.
Further, the transmission gear penetrates through the axis of the lower cover body.
As can be seen from the description, the transmission gear penetrates through the axis of the lower cover body, so that the motion track of the transmitted object is ensured to be centered, and the product safety is improved.
Further, the gear ring transmission assembly comprises a gear ring body and a driving shaft;
the drive shaft is fixedly connected with one side of the gear ring body, which is far away from the motor body, and the axis of the drive shaft is superposed with the axis of the gear ring body.
As can be seen from the above description, the arrangement of the gear ring body and the driving shaft, and the axis of the driving shaft is coincident with the axis of the gear ring body, ensures the stability and reliability of transmission.
Further, the device also comprises an upper cover body;
the upper cover body is clamped with the lower cover body to form a reduction gearbox shell.
As can be seen from the above description, the upper cover body is clamped with the lower cover body, so that the disassembly and the assembly are convenient.
Furthermore, the circumferential outer wall of the lower cover body is provided with a plug connector and a clamping connector in a surrounding manner;
one end of the upper cover body facing the lower cover body is provided with a positioning groove matched with the plug connector and a clamping groove matched with the clamping piece.
As can be seen from the above description, the arrangement of the plug-in connector and the clamping connector can facilitate the positioning of the upper cover body and the lower cover body, and the disassembly and the installation are convenient.
A nail polisher comprises a polishing head, a shell and the speed reducing motor; the gear motor is arranged in the shell, and the driving shaft of the gear ring transmission assembly penetrates through the shell to be in transmission connection with the grinding head.
As can be seen from the above description, the gear grinding machine comprising the gear motor with the above structure can reduce the working noise of the gear grinding machine and improve the torque of the gear grinding machine, so that the performance of the gear grinding machine is improved.
Further, a motor bushing is sleeved outside the motor body of the speed reducing motor.
Further, the driving shaft of the gear ring transmission assembly is in transmission connection with the grinding head through the motor bushing.
Referring to fig. 1-2, a first embodiment of the present invention is:
a speed reducing motor comprises a motor body 1, a transmission gear 2 and a speed reducing box 3 which is in transmission connection with the motor body 1 through the transmission gear 2; the reduction gearbox 3 comprises a lower cover body 31, a gear ring transmission assembly 32 for driving functional parts and three planetary gear assemblies 33 which are uniformly distributed and arranged around the transmission gear 2; the transmission gear 2 penetrates through the lower cover 31, the three planetary gear assemblies 33 are rotatably arranged on the lower cover 31 and meshed with the transmission gear 2, and the ring gear transmission assembly 32 covers the three planetary gear assemblies 33 and is simultaneously meshed with the three planetary gear assemblies 33.
In the present embodiment, the planetary gear assembly 33 includes a gear body 331 and a positioning shaft 332; the gear body 331 is rotatably attached to the lower cover 31 via a positioning shaft 332. Specifically, the three gear bodies 331 are spaced apart from each other, so that the three gear bodies 331 do not have a direct transmission relationship, and the three gear bodies 331 are arranged around the transmission gear 2 and are all engaged with the transmission gear 2, and the axes of the three gears are connected to form a stable triangular transmission structure, so that the three gear bodies 331 provide torque for the gear ring transmission assembly 32, the output torque of the speed reduction motor is improved, and the stability of the triangular transmission structure is good, so that the transmission stability of the speed reduction motor is improved, and the operation noise of the speed reduction motor is reduced. Wherein, ring gear drive assembly 32 includes ring gear lid 321 and driving pin 322, and driving pin 322 covers the coaxial setting of 321 with the ring gear and is connected with the transmission, and the inner wall of ring gear lid 321 has the ring gear of encircleing the setting, and three gear body 331 all meshes with the inner wall of gear lid to drive ring gear lid 321 and driving pin 322 and rotate. Preferably, the gear body 331 in this embodiment is a plastic gear.
In the present embodiment, the lower cover 31 is provided with three positioning holes 311 for inserting the positioning shaft 332. Specifically, since the planetary gear assembly 33 is provided with three, one positioning shaft 332 is inserted into each positioning hole 311. Preferably, the transmission gear 2 is disposed through the axis of the lower cover 31.
In the present embodiment, the ring gear transmission assembly 32 includes a ring gear body 323 and a drive shaft 324; the driving shaft 324 is fixedly connected with one side of the gear ring body 323 away from the motor body 1, and the axis of the driving shaft 324 is overlapped with the axis of the gear ring body 323.
In the present embodiment, an upper cover 34 is further included; the upper cover body 34 is clamped with the lower cover body 31 to form a shell of the reduction gearbox 3. Specifically, the circumferential outer wall of the lower cover 31 is provided with a plug piece 312 and a clamping piece 313 in a surrounding manner; one end of the upper cover 34 facing the lower cover 31 has a positioning groove 341 matching with the plug piece 312 and a clamping groove 342 matching with the clamping piece 313.
The working process of the embodiment is as follows:
the motor body 1 drives the three planetary gear assemblies 33 to rotate through the transmission gear 2, the three planetary gear assemblies 33 simultaneously drive the gear ring transmission assembly 32 to rotate, the three planetary gear assemblies 33 rotate in the same direction, and the rotating directions of the three planetary gear assemblies 33 are opposite to the rotating direction of the transmission gear 2, so that the gear transmission assembly and the three planetary gear assemblies 33 have the same rotating direction.
Referring to fig. 2, the second embodiment of the present invention is:
a nail polisher comprises a polishing head 4, a shell 5, a circuit board 6 and a speed reducing motor in the first embodiment; the speed reducing motor is arranged in the shell 5, and the transmission pin 322 of the gear ring transmission component 32 penetrates through the shell 5 to be in transmission connection with the grinding head 4; the circuit board 6 is electrically connected to the reduction motor.
In this embodiment, a motor bushing 7 is sleeved outside the motor body 1 of the reduction motor.
In this embodiment, the drive shaft 324 of the ring gear transmission assembly 32 is drivingly connected to the grinding head 4 through the motor bushing 7.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. A speed reduction motor comprises a motor body and is characterized by also comprising a speed reduction box in transmission connection with the motor body through a transmission gear;
the reduction gearbox comprises a lower cover body, a gear ring transmission assembly for driving a functional part and three planetary gear assemblies which are uniformly distributed and surround the transmission gear;
the transmission gear penetrates through the lower cover body, the three planetary gear assemblies are rotatably arranged on the lower cover body and meshed with the transmission gear, and the gear ring transmission assembly covers the three planetary gear assemblies and is meshed with the three planetary gear assemblies simultaneously.
2. The reduction motor of claim 1, wherein the planetary gear assembly comprises a gear body and a positioning shaft;
the gear body is rotatably arranged on the lower cover body through the positioning shaft.
3. The reduction motor according to claim 2, wherein the lower cover body is provided with three positioning holes for inserting the positioning shaft.
4. The geared motor according to claim 1, wherein the transmission gear is disposed through an axial center of the lower cover.
5. The reduced speed motor of claim 1, wherein the ring gear transmission assembly includes a ring gear body and a drive shaft;
the driving shaft is fixedly connected with one side, far away from the motor body, of the gear ring body, and the axis of the driving shaft is overlapped with the axis of the gear ring body.
6. The geared motor according to claim 1, further comprising an upper cover;
the upper cover body is clamped with the lower cover body to form a reduction gearbox shell.
7. The gear motor according to claim 6, wherein the circumferential outer wall of the lower cover body is provided with a plug connector and a clamping connector in a surrounding manner;
one end of the upper cover body, which faces the lower cover body, is provided with a positioning groove matched with the plug connector and a clamping groove matched with the clamping piece.
8. An nail polisher characterized by a package polishing head, a housing and a reduction motor according to any one of claims 1 to 7;
the gear motor is arranged in the shell, and a driving shaft of the gear ring transmission assembly penetrates through the shell to be in transmission connection with the grinding head.
9. The nail grinder according to claim 8, wherein a motor bushing is sleeved outside the motor body of the reduction motor.
10. The nail grinder of claim 8, wherein the drive shaft of the ring gear transmission assembly is in driving connection with the grinding head through a motor bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221736434.4U CN218449766U (en) | 2022-07-06 | 2022-07-06 | Gear motor and nail grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221736434.4U CN218449766U (en) | 2022-07-06 | 2022-07-06 | Gear motor and nail grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218449766U true CN218449766U (en) | 2023-02-03 |
Family
ID=85088462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221736434.4U Active CN218449766U (en) | 2022-07-06 | 2022-07-06 | Gear motor and nail grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218449766U (en) |
-
2022
- 2022-07-06 CN CN202221736434.4U patent/CN218449766U/en active Active
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