Nail polish remover pen

Abstract

The nail polish pen comprises a conical pen head and a motor, the pen head has a side for polishing nails, the motor drives the pen head to rotate around its axis for polishing, a speed reduction gear transmission mechanism is arranged between the motor and the pen head, and the motor specifically drives the pen head to rotate through the speed reduction gear transmission mechanism. The motor drives the pen head to rotate through the speed reduction gear transmission mechanism, the speed of the pen head is reduced due to the speed reduction gear transmission mechanism, so that the nail polish pen is safer and is not prone to causing users to be injured due to excessive polishing, and the polishing force of the pen head is improved due to the speed reduction gear transmission mechanism, so that the nail polish pen is not prone to jamming.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of manicure instruments, in particular to a manicure polishing pen. BACKGROUND

[0002] People generally use manicure polishing pens to polish the manicure on fingers, the manicure polishing pen comprises a conical pen head and a motor, the motor drives the pen head to rotate around its axis, the side surface of the pen head rubs the nail surface of the manicure to polish the nail surface, but the existing manicure polishing pen is easy to cause user injury due to excessive polishing. SUMMARY

[0003] The inventor finds that the higher the rotation speed of the polishing pen is, the higher the polishing efficiency is, the existing manicure polishing pen is directly driven by the motor at high speed, so the polishing efficiency is too high, and excessive polishing is easy to occur. The inventor tries to lower the rotation speed of the motor to lower the rotation speed of the pen head, and finds that the lower rotation speed of the motor will lower the polishing force of the pen head, which causes the pen head to be easy to jam.

[0004] The present application aims to solve the technical problem of providing a manicure polishing pen, which is not easy to cause user injury due to excessive polishing, and is not easy to jam.

[0005] To solve the above technical problem, the manicure polishing pen comprises a conical pen head and a motor, the pen head has a side surface for polishing manicure, the motor drives the pen head to rotate around its axis for polishing, a speed reduction gear transmission mechanism is arranged between the motor and the pen head, and the motor specifically drives the pen head to rotate through the speed reduction gear transmission mechanism.

[0006] Further, the speed reduction gear transmission mechanism comprises a speed reduction gear set and a protective shell wrapped outside the speed reduction gear set, the protective shell is provided with an input port at the rear part and an output port at the front part, the input end of the speed reduction gear set is connected to the output shaft of the motor through the input port, and the output end is connected to the pen head through the output port.

[0007] Further, the protective shell comprises a front shell and a rear shell which are buckled together, the input port is arranged on the rear shell, and the output port is arranged on the front shell; a mounting disc is clamped between the front shell and the rear shell, the speed reduction gear set comprises an input part and an output part, the input end is arranged on the input part, and the output end is arranged on the output part, the input part is movably mounted on the rear side of the mounting disc, the output part is movably mounted on the front side of the mounting disc, the mounting disc is provided with a gap, and the output part is connected to the input part through the gap.

[0008] Further, the input part comprises a first gear and a second gear engaged together, the output part comprises a third gear and a fourth gear engaged together, the third gear extends axially through the gap of the mounting disc to the rear side of the mounting disc and is fixed with the second gear and rotates synchronously with the second gear; the first gear has less teeth than the second gear, and / or the third gear has less teeth than the fourth gear; the first gear is the input end of the reduction gear set, is connected to the output shaft of the motor and is driven by the motor to drive the second gear and the third gear to rotate synchronously, thereby driving the fourth gear to rotate through the third gear, and the fourth gear is the output end of the reduction gear set and is connected to the pen head to drive the pen head to rotate.

[0009] Further, the mounting disc has a mounting hole in the front wall, the fourth gear extends axially to the rear and is inserted into the mounting hole, and the fourth gear is movably mounted to the front side of the mounting disc in this way.

[0010] Further, the rear wall of the rear shell has a first insertion shaft hole, and the rear wall of the front shell has a second insertion shaft hole aligned with the first insertion shaft hole; the second gear has a first shaft rod extending axially to the rear at the center of the gear, and the first shaft rod is inserted into the first insertion shaft hole; the third gear has a second shaft rod extending axially to the front at the center of the gear, and the second shaft rod is inserted into the second insertion shaft hole, and the second gear and the third gear are movably mounted to the protective shell in this way.

[0011] Further, a transmission shaft is arranged between the pen head and the reduction gear transmission mechanism, the pen head is detachably mounted at the front end of the transmission shaft and coincides with the axis of the transmission shaft, and the rear end of the transmission shaft penetrates into the output port to connect to the output end of the reduction gear transmission mechanism, and the motor drives the transmission shaft to rotate around its axis through the reduction gear transmission mechanism, thereby driving the pen head to rotate around its axis.

[0012] Further, the transmission shaft, the reduction gear transmission mechanism and the motor are arranged in sequence from front to back inside the shell, the shell has a connection port at the front end aligned with the front end of the transmission shaft, and the rear end of the pen head is specifically mounted to the front end of the transmission shaft through the connection port.

[0013] Further, a bearing is clamped between the transmission shaft and the shell, and the front wall of the protective shell of the reduction gear transmission mechanism serves as a rear limiting wall to limit the bearing.

[0014] Further, a rubber shock-absorbing transmission part is clamped between the rear end of the transmission shaft and the output end of the reduction gear transmission mechanism.

[0015] The motor drives the pen head to rotate through the reduction gear transmission mechanism, and the reduction gear transmission mechanism reduces the rotation speed of the pen head, so that the manicure polishing pen is safer and less likely to cause injury to the user due to excessive polishing, and the reduction gear transmission mechanism increases the polishing force of the pen head, so that the manicure polishing pen is less likely to jam. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is an axonometric view of the nail polish remover pen, the view being from the oblique front of the nail polish remover pen.

[0017] Figure 2 is an axonometric view of the nail polish remover pen with the outer shell removed, the power supply socket not being shown.

[0018] Figure 3 is an exploded view of the nail polish remover pen with the outer shell removed, the power supply socket not being shown.

[0019] Figure 4 is a partial enlarged view of another exploded view of the nail polish remover pen with the outer shell removed.

[0020] Figure 5 is an exploded view of the speed-reducing gear transmission mechanism.

[0021] Figure 6 is a partial enlarged view of a cross-sectional view of the nail polish remover pen.

[0022] Figure 7 is a partial enlarged view of another part of a cross-sectional view of the nail polish remover pen.

[0023] Figure 8 is an axonometric view of the nail polish remover pen, the view being from the oblique rear of the nail polish remover pen. DETAILED DESCRIPTION

[0024] The present invention will be further described in connection with the specific embodiments disclosed below.

[0025] See Figure 1 , the nail polish remover pen comprises a conical pen head 1 and a pen body 10 which are mounted together, the pen head 1 has a side surface 11 for grinding, and the pen body 10 drives the pen head 1 to rotate around the axis of the pen body 10. The pen body 10 has an outer shell 5 for the user to hold, the user holds the outer shell 5, and the side surface 11 of the pen head 1 is brought close to the nail surface of the nail, and the side surface 11 of the pen head 1 rubs against the nail surface to polish the nail surface.

[0026] See Figure 1 and Figure 2 , the pen body 10 comprises a transmission shaft 4, a speed-reducing gear transmission mechanism 3 and a motor 2 which are arranged in sequence from front to rear in the outer shell 5, the speed-reducing gear transmission mechanism 3 comprises a rear input end and a front output end, see Figure 2 and Figure 3 , the output shaft 21 of the motor 2 is connected to the input end of the speed-reducing gear transmission mechanism 3, and the rear end 41 of the transmission shaft 4 is connected to the output end of the speed-reducing gear transmission mechanism 3. See Figure 4 and Figure 7, the front end 41 of the transmission shaft 4 is provided with a butt joint hole 43, the rear part of the butt joint hole 43 is provided with a silica gel ring 45, the front part is provided with a clamping block 44, the clamping block 44 is provided with a clamping hole 46 which is aligned with the inner ring of the silica gel ring 45 and has the same size, the front end of the clamping block is provided with a clamping slot 47, the front end of the shell 5 (see Figure 1 ) is provided with a butt joint hole 51 (see Figure 1 ) which is aligned with the clamping hole 46, that is, the butt joint hole 51 (see Figure 1 ) is also aligned with the front end 41 of the transmission shaft 4. The rear part of the pen head 1 is provided with a butt joint shaft 12, the front part of the butt joint shaft 12 is provided with a clamping block 13 which is aligned with the clamping slot 47 of the clamping block 44. The rear end 14 of the pen head 1 extends into the inner ring of the silica gel ring 45 through the butt joint hole 51 (see Figure 1 ) and the clamping hole 46 in sequence, pushes the silica gel ring 45, makes the silica gel ring 45 elastically deform and expand the inner ring, and clamps the rear end 14 of the pen head 1, until the clamping block 13 of the pen head 1 is clamped into the clamping slot 47 of the clamping block 44, the pen head 1 is detachably installed to the front end 41 of the transmission shaft 4 in this way, and the axis of the pen head 1 and the transmission shaft 4 overlaps. See Figure 2 and Figure 4 , the motor 2 drives the transmission shaft 4 to rotate around its axis through the speed reduction gear transmission mechanism 3, the front hole wall of the butt joint hole 43 of the transmission shaft 4 drives the clamping block 44 to rotate around the above-mentioned axis, the slot wall of the clamping slot 47 of the clamping block 44 drives the clamping block 13 of the pen head 1 to rotate around the above-mentioned axis, thereby drives the pen head 1 to rotate around its axis to polish.

[0027] See Figure 5 and Figure 6The speed reduction gear transmission mechanism 3 comprises a speed reduction gear set 31 and a front shell 323 and a rear shell 324 which are buckled together to form a protective shell 32 and are clamped with the mounting disc 325 between them. The speed reduction gear set 31 comprises a first gear 311 and a second gear 312 which are mounted movably on the rear side of the mounting disc 325 and are engaged together, and a third gear 313 and a fourth gear 314 which are mounted movably on the front side of the mounting disc 325 and are engaged together. The first gear 311 has less teeth than the second gear 312, and the third gear 313 has less teeth than the fourth gear 314. The mounting disc 325 is provided with a gap 326, and the third gear 313 extends axially through the gap 326 to the rear side of the mounting disc 325 and is fixedly connected with the second gear 312 and rotates synchronously with the second gear 312. The front wall of the rear shell 324 is provided with a first inserting shaft hole 331, and the rear wall of the front shell 323 is provided with a second inserting shaft hole 332 which is aligned with the first inserting shaft hole 331. The center part of the second gear 312 and the third gear 313 is provided with a mounting shaft 34 which extends in the front-rear direction, the rear half 341 of the mounting shaft 34 is a first shaft rod which extends axially backward from the center part of the second gear 312 and is inserted into the first inserting shaft hole 331, and the second gear 312 is mounted movably on the rear side of the mounting disc 325 in this way. The front half 342 of the mounting shaft 34 is a second shaft rod which extends axially forward from the center part of the third gear 313 and is inserted into the second inserting shaft hole 332, and the third gear 313 is mounted movably on the front side of the mounting disc 325 in this way. The front wall of the mounting disc 325 is provided with a mounting hole 327, and the center part 317 of the fourth gear 314 extends axially backward and is inserted into the mounting hole 327, and the fourth gear 314 is mounted movably on the front side of the mounting disc 325 in this way.

[0028] See Figure 3 , Figure 5 and Figure 6The rear shell 324 of the speed reduction gear transmission mechanism 3 is fixedly installed on the motor 2. The first gear 311 and the second gear 312 serve as the input part of the speed reduction gear set 3. The first gear 311 serves as the input end of the speed reduction gear set 3. The rear shell 324 is provided with an input port 322 aligned with the first gear 311. The output shaft 21 of the motor 2 extends through the input port 322 to the rear side of the mounting disc 25 and is fixedly connected with the first gear 311. In this way, the first gear 311 is movably installed on the rear side of the mounting disc 325 and is connected with the output shaft 21 of the motor 2 through the input port 322. The third gear 313 and the fourth gear 314 serve as the output part of the speed reduction gear set 3. The fourth gear 314 serves as the output end of the speed reduction gear set 3. The front shell 323 is provided with an output port 321 aligned with the fourth gear 314. The rear end 42 of the transmission shaft 4 penetrates into the output port 321. A damping rubber transmission member 7 is clamped between the rear end 42 of the transmission shaft 4 and the fourth gear 314. The transmission member 7 is connected with the fourth gear 314 at the rear end and is connected with the rear end 42 of the transmission shaft 4 at the front end. In this way, the fourth gear 314 is connected with the transmission shaft 4 and the pen head 1 through the output port 321. The driving shaft 21 of the motor 2 drives the first gear 311 to rotate, thereby driving the second gear 312 and the third gear 313 to rotate synchronously, thereby driving the fourth gear 314 to rotate through the third gear 313, thereby driving the transmission shaft 4 to rotate about its axis through the fourth gear 314 and the transmission member 7, thereby driving the pen head 1 to rotate about its axis. The transmission member 7 is made of rubber and has a certain elasticity, which can reduce the radial vibration of the transmission shaft 4.

[0029] See Figure 1 and Figure 2 A bearing 6 is clamped between the transmission shaft 4 and the outer shell 5. The front wall 320 of the front shell 323 of the speed reduction gear transmission mechanism 3 serves as a rear limiting wall and blocks the bearing 6 from the rear, thereby limiting the bearing 6. Figure 3 A protrusion 48 is arranged in front of the bearing 6. The rear wall 480 of the protrusion 48 (see serves as a front limiting wall and blocks the bearing 6 from the front, thereby limiting the bearing 6.

[0030] Figure 8 A power supply socket 8 is arranged at the rear of the pen body 10. The power supply socket 8 is electrically connected with the motor 2 (see Figure 2 ). A user inserts a power supply plug (not shown in the figure) into the power supply socket 8. The motor 2 (see Figure 2 ) takes power from the power supply socket 8.

[0031] The above description is only an embodiment of the present application and does not limit the patent protection range. Those skilled in the art can make non-essential changes or substitutions on the basis of the present application and still fall within the patent protection range.

Claims

1. A nail polishing pen, comprising a conical pen tip and a motor, the pen tip having a grinding side for polishing nails, the motor driving the pen tip to rotate around its own axis for polishing, characterized in that: A reduction gear transmission mechanism is provided between the motor and the pen tip. The motor drives the pen tip to rotate via the reduction gear transmission mechanism. The system includes a housing and a drive shaft. The drive shaft, reduction gear transmission mechanism, and motor are arranged sequentially inside the housing. The front end of the housing has a mating interface for aligning with the front end of the drive shaft. The rear end of the pen tip passes through this interface and is mounted to the front end of the drive shaft. The motor drives the drive shaft to rotate around its own axis via the reduction gear transmission mechanism, thereby driving the pen tip to rotate. The front end of the drive shaft has a mating hole, with a silicone ring behind the hole and a... There is a snap-fit ​​block with a snap-fit ​​hole that aligns with the inner ring of the silicone ring and is the same size as the inner ring. The snap-fit ​​block has a snap-fit ​​groove at its front end, and the outer shell has a mating interface that aligns with the snap-fit ​​hole at its front end. The pen tip has a mating shaft at its rear end, and a snap-fit ​​block at its front end. The snap-fit ​​block aligns with the snap-fit ​​groove of the snap-fit ​​block. The rear end of the pen tip passes through the mating interface and the snap-fit ​​hole in sequence and extends into the inner ring of the silicone ring to push the silicone ring. This causes the silicone ring to elastically deform, expand the inner ring, and clamp the rear end of the pen tip until the snap-fit ​​block of the pen tip is engaged in the snap-fit ​​groove of the snap-fit ​​block. The pen tip is thus detachably installed to the front end of the drive shaft.

2. The nail polishing pen according to claim 1, characterized in that: The reduction gear transmission mechanism includes a reduction gear set and a protective shell covering the outside of the reduction gear set. The protective shell has an input port at the rear and an output port at the front. The input end of the reduction gear set is connected to the output shaft of the motor through the input port, and the output end is connected to the pen tip through the output port.

3. The nail polishing pen according to claim 2, characterized in that: The protective shell includes a front shell and a rear shell that are snapped together. The input port is located in the rear shell, and the output port is located in the front shell. A mounting plate is sandwiched between the front shell and the rear shell. The reduction gear set includes an input part and an output part. The input end is located on the input part, and the output end is located on the output part. The input part is movably mounted on the rear side of the mounting plate, and the output part is movably mounted on the front side of the mounting plate. A notch is opened on the mounting plate, and the output part is connected to the input part through the notch.

4. The nail polishing pen according to claim 3, characterized in that: The input section includes a first gear and a second gear meshing together, and the output section includes a third gear and a fourth gear meshing together. The third gear extends axially through the notch of the mounting plate to the rear side of the mounting plate and is fixed together with the second gear and rotates synchronously with the second gear. The first gear has fewer teeth than the second gear, and / or the third gear has fewer teeth than the fourth gear; the first gear serves as the input end of the reduction gear set, connecting to the output shaft of the motor, and is driven by the motor to rotate the second and third gears synchronously, thereby driving the fourth gear to rotate via the third gear; the fourth gear serves as the output end of the reduction gear set, connecting to the pen tip and driving the pen tip to rotate.

5. The nail polishing pen according to claim 4, characterized in that: The front wall of the mounting plate has a mounting hole. The center part of the fourth gear extends axially backward and is inserted into the mounting hole. The fourth gear is thus mounted to the front side of the mounting plate.

6. The nail polishing pen according to claim 4, characterized in that: A first insertion shaft hole is opened on the front wall of the rear shell, and a second insertion shaft hole aligned with the first insertion shaft hole is opened on the rear wall of the front shell; a first shaft extends axially backward from the center of the second gear and is inserted into the first insertion shaft hole; a second shaft extends axially forward from the center of the third gear and is inserted into the second insertion shaft hole. The second gear and the third gear are thus movably installed into the protective shell.

7. The nail polishing pen according to claim 2, characterized in that: The pen tip is aligned with the axis of the drive shaft. The rear end of the drive shaft passes through the output port and connects to the output end of the reduction gear transmission mechanism. The motor drives the drive shaft to rotate around its own axis via the reduction gear transmission mechanism, thereby driving the pen tip to rotate around its own axis.

8. The nail polishing pen according to claim 7, characterized in that: A bearing is sandwiched between the drive shaft and the housing. The front wall of the protective shell of the reduction gear transmission mechanism also serves as the rear limiting wall, blocking the bearing from behind and limiting its movement.

9. The nail polishing pen according to claim 8, characterized in that: A rubber damping transmission component is sandwiched between the rear end of the drive shaft and the output end of the reduction gear transmission mechanism.

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