CN111012460B

CN111012460B - Electric pedicure device capable of automatically switching grinding head

Info

Publication number: CN111012460B
Application number: CN201911331756.3A
Authority: CN
Inventors: 杨盈
Original assignee: Yiwu Yixin Technology Co ltd
Current assignee: Yiwu Yixin Technology Co.,Ltd.
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2021-03-05
Anticipated expiration: 2039-12-21
Also published as: CN111012460A

Abstract

The invention discloses an electric pedicure device capable of automatically switching grinding heads, which comprises a handheld driving part and a mounting cover, wherein the handheld driving part is provided with a motor; the upper end of the motor is fixedly connected with a pawl disc; the upper end of the pawl disc is connected with a rotating cylinder in a transmission way; the upper end of the rotary cylinder is provided with a coarse grinding head and a fine grinding head; the middle part of the coarse and fine grinding head is fixedly connected with a limiting rod; gears are fixedly connected with two ends of the limiting rod; a reversing cylinder is sleeved on the outer side of the rotary cylinder; the upper end of the reversing cylinder is formed with an end face gear, and the lower end of the reversing cylinder is formed with a cylinder seat; a lifting groove is formed on the outer wall of the cylinder seat; the lifting groove comprises a lifting groove and a lowering groove; a limiting component and a fixed cylinder are arranged in the mounting cover; the inner wall of the fixed cylinder is fixedly connected with a raised head which is connected with the lifting groove in a sliding manner. The invention can realize the function of pedicure by the rotation of the grinding head along the horizontal plane; the raised head is positioned at different positions of the lifting groove to realize the reversing function: when the raised head is positioned at the lifting groove, the reversing function can be realized; when the raised head is positioned at the position of the descending groove, the function of pedicure can be realized.

Description

Electric pedicure device capable of automatically switching grinding head

Technical Field

The invention belongs to the technical field of articles for daily use, and particularly relates to an electric pedicure device capable of automatically switching grinding heads.

Background

The existing pedicure device can cause fragments to splash when in use, so that the sanitation is influenced, and the grinding head needs to be manually replaced aiming at different foot skins, so that the pedicure device is troublesome to use.

Chinese patent document No. CN207477536U discloses an electric pedicure device, which includes a pedicure device body, a motor, a power supply device, a grinding head, a protective cover, an LED lamp and a button switch. The grinding head is driven to rotate by the rotation of the motor, so that the function of pedicure is realized. Although the grinding head is simple to operate, the grinding head needs to be detached when replaced, the replacement is troublesome, and the chips are accumulated after entering the gap between the grinding head and the protective cover, so that the grinding head is prevented from rotating, and the pedicure effect is influenced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defect that the grinding head needs to be disassembled when replaced in the prior art, the electric pedicure device capable of automatically switching the grinding head is provided.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: an electric pedicure device capable of automatically switching grinding heads comprises a handheld driving part and a mounting cover detachably mounted at the upper end of the handheld driving part; the handheld driving part is provided with a motor; the output end of the motor is fixedly connected with a pawl disc; the upper end of the pawl disc is connected with a rotating cylinder in a one-way transmission manner; a through hole is formed at the upper end of the mounting cover; the upper end of the rotary cylinder is provided with a thick and thin grinding head penetrating through the through hole; the coarse grinding head and the fine grinding head are symmetrically arranged; the middle part of the coarse and fine grinding head is fixedly connected with a horizontally arranged limiting rod; a limiting groove for placing the limiting rod is formed at the upper end of the rotating cylinder; and a limiting assembly used for limiting the coarse and fine grinding heads to rotate along the limiting rod is arranged in the mounting cover.

A reversing cylinder is sleeved on the outer side of the rotating cylinder; the motor is in one-way transmission connection with the reversing cylinder through the pawl disc, and the transmission direction of the motor is opposite to that of the rotating cylinder; two ends of the limiting rod are positioned on the outer side of the rotating cylinder and fixedly connected with gears; an end face gear in meshing transmission connection with the gear is formed at the upper end of the reversing cylinder; a cylinder seat is formed on the periphery of the lower end of the reversing cylinder; a lifting groove is formed in the outer wall of the cylinder seat along the circumferential direction; the lifting groove comprises a lifting groove and a lowering groove; the ascending groove and the descending groove form a ring; the height of the descending groove is higher than that of the ascending groove; a fixed cylinder is fixedly connected in the mounting cover; the inner wall of the fixed cylinder is fixedly connected with a raised head; the raised head is connected in the lifting groove in a sliding manner; when the raised head slides into the lifting groove, the reversing cylinder moves to the uppermost end of the stroke, so that the limiting assembly is separated from the coarse and fine grinding head, and the gear is meshed with the face gear; when the raised head slides into the descending groove, the reversing cylinder moves to the lowest end of the stroke, so that the limiting assembly is connected with the thick and thin grinding head, the thick and thin grinding head is limited to rotate along the limiting rod, and the gear is separated from the face gear.

The motor rotates forwards to drive the coarse and fine grinding heads to rotate in a horizontal plane for pedicuring; the motor rotates reversely to drive the reversing cylinder to rotate so that the reversing cylinder moves up and down under the action of the raised head.

As an optimization scheme: the limiting assembly comprises a limiting ring and a positioning ring sleeved on the outer wall of the limiting ring; a limiting block is formed at the end part of the limiting rod far away from the coarse and fine grinding head; the limiting block is provided with a positioning hole in the vertical direction; a positioning column for being inserted into the positioning hole is formed at the upper end of the rotation limiting ring; two pairs of limited rotation columns are symmetrically formed at the upper end of the positioning ring; the two paired rotation limiting columns are respectively positioned on two sides of the positioning ring; the upper end of the rotation limiting ring is provided with a jack at a position corresponding to the rotation limiting column; the height of the rotation limiting column extending out of the limiting ring is larger than the radius of the limiting rod, so that the thick and thin grinding heads cannot fall out.

The middle part of the inner wall of the mounting cover, which corresponds to the reversing cylinder, is fixedly connected with a supporting component; the lower end of the limiting component is fixedly connected with a support ring; the supporting component comprises a spring fixing cover fixedly connected to the inner wall of the mounting cover; the upper end of the spring fixing cover is fixedly connected with a spring; the spring is abutted against the lower end of the support ring; the lower end of the support ring is fixedly connected with a magnet d; and the middle part of the outer wall of the reversing cylinder is fixedly connected with a magnet c attracted with the magnet d and used for enabling the gear to be meshed with and separated from the end face gear.

As an optimization scheme: the inner wall of the reversing cylinder is fixedly connected with a lower ratchet wheel close to the lower end; the lower end of the pawl disc is correspondingly provided with a lower pawl used for enabling the reversing cylinder to rotate in a single direction; the lower end of the inner wall of the rotary cylinder is fixedly connected with an upper ratchet wheel; the upper end of the pawl disc is correspondingly provided with an upper pawl used for enabling the rotary cylinder to rotate in one direction.

As an optimization scheme: when the raised head is positioned in the lifting groove, the motor rotates positively to drive the rotary cylinder to rotate, so that the rotation angle of the coarse grinding head and the fine grinding head along the limiting rod is 180 degrees, and the coarse grinding head and the fine grinding head can be accurately exchanged.

As an optimization scheme: the distance between the two paired rotation limiting columns is the width corresponding to the limiting blocks when the positioning columns are inserted into the positioning holes, so that the positioning columns can be ensured to be inserted into the positioning holes.

As an optimization scheme: and a limiting plate for preventing the coarse and fine grinding head from axially moving along the limiting rod is formed on the limiting rod corresponding to the outer wall of the rotary cylinder.

As an optimization scheme: the lifting grooves and the descending grooves are divided into two groups; the lower end of the cylinder seat is fixedly connected with an anti-falling plate; the lower end of the anti-falling plate is fixedly connected with a magnet b; the upper end of the handheld driving part is fixedly connected with a group of magnets a which are arranged in a central symmetry mode, correspond to the magnets b, and the handheld driving part has a positioning function and is convenient to reverse next time.

As an optimization scheme: a plurality of blades distributed circumferentially are formed at the lower part of the cylinder cavity; an air outlet is formed in the lower part of the outer wall of the mounting cover; the mounting cover is internally threaded with a filtering component; the filter assembly comprises a filter screen for filtering debris, and can prevent the debris from being polluted.

As an optimization scheme: the lower end of the filtering component is formed with a convex block, so that the filtering component is convenient to mount and dismount.

Compared with the prior art, the invention has the beneficial effects that: the function of pedicure can be realized by rotating the grinding head along the horizontal plane; the reversing function can be realized by positioning the convex heads at different positions of the lifting groove.

When the raised head is positioned at the lifting groove, the reversing function can be realized through the rotation of the face gear and the meshing between the face gear and the gear; when the raised head is positioned at the position of the descending groove, the end face gear is separated from the gear, the limiting rod is positioned in the limiting groove, and the positioning column is inserted in the positioning hole, so that the rotating cylinder drives the coarse and fine grinding head to rotate, and the function of trimming feet can be realized; the height of the rotation limiting column extending out of the limiting ring is larger than the radius of the limiting rod, so that the thick and thin grinding heads cannot fall out; the positioning column is inserted into the positioning hole, so that the coarse and fine grinding heads can be fixed along the direction of the limiting rod; the magnet b and the magnet a have a positioning function, so that the next reversing is facilitated; when in pedicure, the spring fixing cover can keep a proper distance between the support ring and the reversing cylinder through the elasticity of the spring, so that the magnetic force between the magnet c and the magnet d is far smaller than the elasticity of the spring, and the separation of the face gear and the gear is ensured; a plurality of fan blades distributed circumferentially are formed at the lower part of the rotary cylinder, and when the rotary cylinder rotates, the fragments can be sucked into the cylinder cavity through a gap between the through hole and the thick and thin grinding head and are filtered by the filtering component, so that air is discharged from the air outlet while pollution caused by the fragments is prevented; because the raised head is clamped with the lifting groove, the lower pawl is abutted against the anti-falling plate, the spring fixing cover is abutted against the baffle, and the fixing hole is clamped with the bulge, all parts can not be scattered when the handheld driving part is separated from the mounting cover; the outer wall of the handheld driving part is provided with a separating button, and the handheld driving part can be separated from the mounting cover when pressed down; the lower end of the filtering component is provided with a convex block, so that the filtering component is convenient to mount and dismount.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic exploded view of the present invention.

Fig. 3 is a cross-sectional structural view of components other than the hand-held drive portion.

Fig. 4 and 5 are schematic structural views of the handheld driving part.

Fig. 6 is an enlarged view of a structure in fig. 4.

Fig. 7 is a schematic structural view of a coarse and fine grinding head.

Fig. 8 is a sectional structural view of the mounting cover.

Fig. 9 is a schematic sectional structure view of the rotary cylinder.

Fig. 10 and 11 are schematic structural views of the ratchet plate.

Fig. 12 is a schematic structural view of a rotation limiting ring.

FIG. 13 is a schematic view of the structure of the cage.

Fig. 14 is a schematic sectional structure view of the reversing cylinder.

Fig. 15 is a schematic structural view of the reversing cylinder.

Fig. 16 is a schematic structural view of the support ring.

Fig. 17 is a schematic view of the structure of the spring fixing cover.

Fig. 18 is a sectional structure diagram of the fixed cylinder.

Fig. 19 is a schematic view of the structure of the filter assembly.

1. A hand-held drive section; 11. installing a cover; 111. an air outlet; 112. a first internal thread; 113. a second internal thread; 114. a third internal thread; 115. a through hole; 12. a switch button; 13. a reversing button; 14. a release button; 15. positioning a groove; 16. a motor; 17. a magnet a; 2. a coarse grinding head and a fine grinding head; 21. a rough grinding head; 22. a fine grinding head; 23. a limiting rod; 231. a limiting plate; 232. a gear; 24. a limiting block; 241. positioning holes; 3. a rotary drum; 31. a pawl plate; 311. a motor jack; 312. an upper pawl; 313. a lower pawl; 32. a barrel cavity; 321. a limiting groove; 322. a fan blade; 33. an upper ratchet wheel; 4. a limiting component; 41. a rotation limiting ring; 411. a limiting ring; 4111. a positioning column; 4112. a jack; 412. a fixing hole; 42. positioning rings; 421. a rotation limiting column; 5. a reversing cylinder; 51. a face gear; 52. a cartridge holder; 521. a lifting groove; 5211. lifting the groove; 5212. descending the groove; 522. an anti-drop plate; 5221. a magnet b; 523. a lower ratchet wheel; 53. a magnet c; 6. positioning a nut; 7. a support assembly; 71. a support ring; 711. a support plate; 712. a magnet d; 713; a protrusion; 72. a spring fixing cover; 721. a second external thread; 722. a spring; 723; a sliding plate; 8. a fixed cylinder; 81. a raised head; 9. a filter assembly; 91. a third external thread; 92. a filter screen; 93. and (4) a bump.

Detailed Description

Example 1

Referring to fig. 1 to 19, an electric pedicure device with an automatic switching grinding head according to the embodiment includes a handheld driving part 1 and a mounting cover 11 detachably mounted on the upper end of the handheld driving part 1; the center of the upper end of the handheld driving part 1 is fixedly connected with a motor 16; the output end of the motor 16 is fixedly connected with a pawl disc 31; a motor jack 331 for fixedly connecting with the output end of the motor 16 is formed in the center of the pawl disc 31; the upper end of the pawl disc 31 is connected with a rotary drum 3 in a one-way transmission way; a through hole 115 is formed at the upper end of the mounting cover 11; the upper end of the rotary cylinder 3 is provided with a coarse grinding head 2 which passes through the through hole 115; the coarse grinding head 2 comprises a coarse grinding head 21 and a fine grinding head 22 which are symmetrically arranged; a horizontally arranged limiting rod 23 is fixedly connected to the middle part of the coarse and fine grinding head 2; the limiting rod 23 is positioned between the rough grinding head 21 and the fine grinding head 22; a limiting groove 321 for placing the limiting rod 23 is formed at the upper end of the rotary cylinder 3; and a limiting component 4 for limiting the rotation of the coarse and fine grinding head 2 along the limiting rod 23 is arranged in the mounting cover 11.

A reversing cylinder 5 is sleeved on the outer side of the rotary cylinder 3; a positioning groove 15 for positioning the reversing cylinder 5 is formed at the upper end of the handheld driving part 1; the motor 16 is in one-way transmission connection with the reversing cylinder 5 through the ratchet disc 31, and the transmission direction is opposite to that of the rotating cylinder 3; two ends of the limiting rod 23 are positioned at the outer side of the rotary cylinder 3 and fixedly connected with a gear 232; the upper end of the reversing cylinder 5 is provided with a face gear 51 which is in meshing transmission connection with the gear 232; a cylinder seat 52 is formed on the periphery of the lower end of the reversing cylinder 5; a lifting groove 521 is formed in the outer wall of the cylinder seat 52 along the circumferential direction; the lifting groove 521 comprises a lifting groove 5211 and a lowering groove 5212; the rising groove 5211 and the falling groove 5212 form a ring shape; the height of the drop groove 5212 is higher than that of the rise groove 5211; a fixed cylinder 8 is fixedly connected in the mounting cover 11; the lower end of the inner wall of the fixed cylinder 8 is fixedly connected with a raised head 81; the raised head 81 is connected in the lifting groove 521 in a sliding manner; when the raised head 81 slides into the lifting groove 5211, the reversing cylinder 5 moves to the uppermost end of the stroke, so that the limiting assembly 4 is separated from the coarse and fine grinding head 2, and the gear 232 is meshed with the face gear 51; when the raised head 81 slides into the descending groove 5212, the reversing cylinder 5 moves to the lowest end of the stroke, so that the limiting assembly 4 is connected with the coarse and fine grinding head 2, the rotation of the coarse and fine grinding head 2 along the limiting rod 23 is limited, and the gear 232 is separated from the face gear 51; the motor 16 rotates positively to drive the coarse and fine grinding head 2 to rotate in a horizontal plane for pedicuring; the motor 16 rotates reversely to drive the reversing cylinder 5 to rotate so as to enable the reversing cylinder to move up and down under the action of the raised heads 81. The reversing cylinder 5 moves up and down in the rotating process through the matching of the raised head 81 and the lifting groove 521, so that the face gear 51 and the gear 232 are meshed or disengaged.

The limiting assembly 4 comprises a limiting ring 41 and a positioning ring 42 sleeved on the outer wall of the limiting ring 41; a limiting block 24 is formed at the end part of the limiting rod 23 far away from the coarse and fine grinding head 2; a positioning hole 241 is formed in the limiting block 24 along the vertical direction; the axis of the positioning hole 241 is intersected with the axis of the limiting rod 23; a limit ring 411 is formed at the upper end of the rotation limit ring 41; a positioning column 4111 inserted into the positioning hole 241 is formed at the upper end of the limiting ring 411; two pairs of limited rotation columns 421 are symmetrically formed at the upper end of the positioning ring 42; the two paired rotation limiting columns 421 are respectively located at two sides of the positioning ring 42; an insertion hole 4112 is formed in the position, corresponding to the rotation limiting column 421, of the limiting ring 411; the height of the rotation limiting column 421 extending out of the limiting ring 411 is larger than the radius of the limiting rod 23, so that the coarse and fine grinding heads 2 are prevented from falling out.

The middle part of the inner wall of the mounting cover 11, which corresponds to the reversing cylinder 5, is fixedly connected with a supporting component 7; a plurality of fixing holes 412 are formed at the lower part of the side wall of the rotation limiting ring 41; the supporting component 7 comprises a supporting ring 71 and a spring fixing cover 72; a protrusion 713 is fixedly connected to the inner wall of the support ring 71 at a position corresponding to the fixing hole 412; a second internal thread 113 is formed in the middle of the inner wall of the mounting cover 11; a second external thread 721 in threaded connection with the second internal thread 113 is formed at the upper end of the spring fixing cover 72; the upper end of the spring fixing cover 72 is fixedly connected with a spring 722; a positioning nut 6 for supporting the positioning ring 42 is arranged between the positioning ring 42 and the supporting ring 71; a first internal thread 112 in threaded connection with the positioning nut 6 is formed on the upper part of the inner wall of the mounting cover 11; the upper end of the spring 722 is fixedly connected with a sliding plate 723; a support plate 711 slidably connected with the sliding plate 723 is formed outwards at the upper end of the support ring 71; the support ring 71 is supported on the sliding plate 723 through the support plate 711, and is prevented from directly contacting with a spring when rotated, thereby generating additional resistance; a magnet d712 is fixedly connected to the lower end of the support ring 71; the middle part of the outer wall of the reversing cylinder 5 is fixedly connected with a magnet c53 attracted with the magnet d 712; a lower ratchet wheel 523 is fixedly connected to the inner wall of the reversing cylinder 5 close to the lower end; the lower end of the pawl disc 31 is correspondingly provided with a lower pawl 313 used for enabling the reversing cylinder 5 to rotate in one direction; the lower end of the inner wall of the rotary cylinder 3 is fixedly connected with an upper ratchet wheel 33; the upper end of the pawl disc 31 is correspondingly provided with an upper pawl 312 which is used for enabling the rotary drum 3 to rotate in one direction; when the motor 16 rotates reversely, the lower ratchet 523 is driven by the lower pawl 313 to rotate the reversing cylinder 5 unidirectionally, when the nose 81 is slidably connected in the lifting groove 5211, the reversing cylinder 5 is lifted, the gear 232 is meshed with the face gear 51, and the magnet d712 and the magnet c53 attract each other, at this time, the spring 722 is compressed, so that the positioning column 4111 is separated from the positioning hole 241, and the coarse and fine grinding heads 2 rotate around the limiting rod 23 as the reversing cylinder 5 rotates; the reversing cylinder 5 continuously rotates reversely, when the raised head 81 is slidably connected in the descending groove 5212, the reversing cylinder 5 descends, the gear 232 is separated from the face gear 51, the distance between the magnet d712 and the magnet c53 is increased and then is separated, the rotation limiting ring 41 returns to be lifted under the action of the spring 722, the positioning column 4111 is reconnected with the positioning hole 241, at the moment, the motor 16 rotates forwards, the upper pawl 312 is clamped with the upper ratchet wheel 33, the rotating cylinder 3 rotates, the positions of the coarse and fine grinding heads 2 can be changed by the steps, and the coarse and fine grinding heads 2 rotate along with the rotating cylinder 3 for foot repair.

When the raised head 81 is located in the lifting groove 5211, the motor 16 rotates reversely to drive the rotary cylinder 3 to rotate, so that the rotation angle of the rough grinding head 2 along the limiting rod 23 is 180 degrees, the positioning column 4111 can be just inserted into the positioning hole 241, and the rough grinding head 21 and the fine grinding head 22 can be accurately interchanged.

The distance between the two rotation limiting columns 421 in pair is the width corresponding to the limiting block 24 when the positioning column 4111 is inserted into the positioning hole 241, that is, the maximum value of the width of the orthographic projection of the limiting block 24 on the plane perpendicular to the axis of the positioning hole 241, and the limiting block 24 is always located between the two rotation limiting columns 421 by limiting the two sides of the limiting block 24 by the rotation limiting columns 421, so that the positioning column 4111 can be accurately inserted into the positioning hole 241 after the direction change of the thick and thin grinding head 2 is completed.

And a limiting plate 231 for preventing the coarse grinding head 2 from axially moving along the limiting rod 23 is formed on the limiting rod 23 corresponding to the outer wall of the rotary cylinder 3.

The ascending trough 5211 and the descending trough 5212 are two sets; the lower end of the cylinder seat 52 is fixedly connected with an anti-drop plate 522; the lower end of the anti-falling plate 522 is fixedly connected with a magnet b 5221; a group of magnets a17 which are arranged in central symmetry are fixedly connected to the upper end of the handheld driving part 1 corresponding to the position of the magnet b 5221; when the reversing cylinder 5 rotates reversely, the magnet b5221 and the magnet a17 are positioned, so that the magnet b5221 is positioned at a corresponding position after the half-cycle of rotation, and is attracted back by the magnet a17 if the reversing cylinder rotates over the head, or attracted onto the magnet a17 if the reversing cylinder does not rotate in place, thereby realizing the positioning function and facilitating the next reversing operation.

A separation button 14 for separating the handheld driving part 1 from the mounting cover 11 is mounted on the side wall of the upper end of the handheld driving part 1; a switch button 12 for driving the motor 16 to rotate forward and a reversing button 13 for driving the motor 16 to rotate reversely are arranged in the middle of the side wall of the handheld driving part 1; the lower end of the handheld driving part 1 is provided with a charging part which can charge the handheld driving part 1.

A control circuit board is arranged in the handheld driving part 1; the motor 16 is electrically connected with the control circuit board; a timing module is arranged on the control circuit board; the rotation time of the motor 16 is limited by pressing the button and the timing module so as to roughly control the rotation angle of the motor 16, so that the motor 16 is controlled to rotate reversely by a corresponding angle in the reversing process, the coarse and fine grinding heads 2 rotate 180 degrees along the limiting rod 23, and finally the reversing is finished. When the reversing switch is pressed, the motor 16 reversely rotates by a corresponding angle, and the time is controlled by the timing module on the control circuit board, so that the 180-degree rotation angle is realized. The control circuit board controls the operation time of the motor 16 to realize the rotation angle thereof through the input information of the reversing button, which is the prior art and will not be described herein again.

In the initial state, the magnet b is attracted with the magnet a, the raised head is positioned at the descending groove, the gear is separated from the face gear, and the rough grinding head faces upwards. When the foot needs to be roughly repaired, the switch button is pressed down, the motor is rotated forward, the rotating cylinder is driven to rotate, the limiting rod is located in the limiting groove, and the positioning column is inserted into the positioning hole, so that the rough grinding head rotates along the circumferential direction of the horizontal plane, and the foot skin can be roughly ground at the moment.

When the foot needs to be finely repaired, the reversing button is pressed, the motor rotates reversely to drive the rotary cylinder to rotate, the lower pawl at the lower end of the rotary cylinder drives the fixed cylinder to rotate, the raised head moves to the lifting groove, the reversing cylinder is lifted, and the face gear is meshed with the gear; the magnet c and the magnet d are close to each other due to the lifting of the reversing cylinder, so that the attraction force between the magnet c and the magnet d is increased to attract each other, the limiting assembly moves downwards, and the positioning column is separated from the positioning hole; then the motor is controlled to rotate reversely, the reversing cylinder drives the coarse grinding head to rotate axially along the limiting rod due to the fact that the end face gear is meshed with the gear and the protruding head slides in the lifting groove, the lifting groove correspondingly rotates 180 degrees, and then the fine grinding head rotates upwards; the motor continuously rotates reversely, the reversing cylinder rotates to enable the protruding head to be located in the descending groove, the reversing cylinder moves downwards to enable the end face gear to be separated from the gear, the magnet c is separated from the magnet d, the limiting assembly moves upwards under the action of the spring, and the positioning column can be smoothly inserted into the positioning hole when the limiting assembly moves upwards due to the fact that the reversing cylinder rotates 180 degrees, and the coarse and fine grinding head is fixed along the direction of the limiting rod; at the moment, the switch button is pressed down to enable the motor to rotate forwards to drive the rotating cylinder to rotate, and the limiting rod is located in the limiting groove, the positioning column is inserted into the positioning hole, so that the fine grinding head rotates along the circumferential direction of the horizontal plane, and the foot skin can be finely ground at the moment.

When the feet are repaired, the rotating cylinder rotates to enable the fan blades to rotate, air pressure in the rotating cylinder is reduced, chips generated by buffing are sucked into the cylinder cavity through a gap between the through hole and the thick and thin grinding head, and air is exhausted from the air outlet after being filtered by the filtering assembly.

The motor is a common motor, so that the rotating angle cannot be accurately controlled, but the rotating angle of the motor can be roughly controlled by limiting the rotating time of the motor through a press button and a timing module arranged in the handheld driving part, so that the angle corresponding to the motor reversal in the reversing process is controlled; when the reversing cylinder rotates reversely, the magnet b is positioned by the magnet b and the magnet a, so that the magnet b is positioned at a position corresponding to the position after the half-cycle of rotation, if the reversing cylinder rotates over the head, the magnet b is attracted back by the magnet a, and if the reversing cylinder does not rotate in place, the magnet b is attracted onto the magnet a, so that the positioning function is realized, and the next reversing operation is facilitated.

When dismantling, because plush copper and lift groove joint, lower pawl offsets with the anticreep board, the fixed lid of spring offsets with the baffle, and fixed orifices and protruding joint, make all parts can be injectd between installation lid and the fixed section of thick bamboo.

The invention can realize the function of pedicure by the rotation of the grinding head along the horizontal plane; the reversing function can be realized by positioning the raised heads at different positions of the lifting groove; when the raised head is positioned at the lifting groove, the reversing function can be realized through the rotation of the face gear and the meshing between the face gear and the gear; when the raised head is positioned at the position of the descending groove, the end face gear is separated from the gear, the limiting rod is positioned in the limiting groove, and the positioning column is inserted in the positioning hole, so that the rotating cylinder drives the coarse and fine grinding head to rotate, and the function of trimming feet can be realized; the height of the rotation limiting column extending out of the limiting ring is larger than the radius of the limiting rod, so that the thick and thin grinding heads cannot fall out; the positioning column is inserted into the positioning hole, so that the coarse and fine grinding heads can be fixed along the direction of the limiting rod; the magnet b and the magnet a have a positioning function, so that the next reversing is facilitated; when in pedicure, the spring fixing cover can keep a proper distance between the support ring and the reversing cylinder through the elasticity of the spring, so that the magnetic force between the magnet c and the magnet d is far smaller than the elasticity of the spring, and the separation of the face gear and the gear is ensured; because the raised head is clamped with the lifting groove, the lower pawl is abutted against the anti-falling plate, the spring fixing cover is abutted against the baffle, and the fixing hole is clamped with the bulge, all parts can not be scattered when the handheld driving part is separated from the mounting cover; the outer wall of the handheld driving part is provided with a separating button, and the handheld driving part can be separated from the mounting cover when pressed down; the grinding head can be directly changed in surface by rotating the rough grinding head and the fine grinding head, so that a user can select the grinding head to be used for repairing feet without dismounting.

Example 2

The present embodiment is modified from embodiment 1 as follows: a plurality of blades 322 distributed circumferentially are formed at the lower part of the cylinder cavity 32; an air outlet hole 111 is formed at the lower part of the outer wall of the mounting cover 11; the mounting cover 11 is internally provided with a filter assembly 9; a third internal thread 114 is formed at the lower part of the inner wall of the mounting cover 11; a third external thread 91 in threaded connection with the third internal thread 114 is formed at the upper end of the filter assembly 9; the filter assembly 9 includes a filter screen 92 to filter debris; the filter screen 92 can be made of filter cotton, hypar and the like, when the rotary drum 3 rotates, the chips can be sucked into the drum cavity 32 through a gap between the through hole 115 and the coarse and fine grinding heads 2 and are filtered by the filter assembly 9, so that air is discharged from the air outlet 111 while pollution caused by the chips is prevented.

The lower end of the filtering component 9 is formed with a convex block 93, which is convenient for the installation and the disassembly of the filtering component 9.

A plurality of fan blades distributed circumferentially are formed at the lower part of the rotary cylinder, and when the rotary cylinder rotates, the fragments can be sucked into the cylinder cavity through a gap between the through hole and the thick and thin grinding head and are filtered by the filtering component, so that air is discharged from the air outlet while pollution caused by the fragments is prevented; the lower end of the filtering component is provided with a lug, so that the filtering component is convenient to mount and dismount; the debris can directly be inhaled in the rotary drum during operation, can not remain between thick and thin bistrique and installation lid, consequently can not hinder thick and thin bistrique rotation.

Claims

1. The utility model provides an automatic switch over electronic pedicure device of bistrique which characterized in that: comprises a handheld driving part (1) and a mounting cover (11) which is detachably mounted at the upper end of the handheld driving part (1); the handheld driving part (1) is provided with a motor (16); the output end of the motor (16) is fixedly connected with a pawl disc (31); the upper end of the pawl disc (31) is connected with a rotary cylinder (3) in a one-way transmission way; a through hole (115) is formed at the upper end of the mounting cover (11); the upper end of the rotary cylinder (3) is provided with a coarse and fine grinding head (2) which penetrates through the through hole (115); the coarse grinding head (2) and the fine grinding head (2) comprise a coarse grinding head (21) and a fine grinding head (22) which are symmetrically arranged; a horizontally arranged limiting rod (23) is fixedly connected to the middle part of the coarse and fine grinding head (2); a limiting groove (321) for placing the limiting rod (23) is formed at the upper end of the rotary cylinder (3); a limiting component (4) used for limiting the rotation of the coarse and fine grinding head (2) along the limiting rod (23) is arranged in the mounting cover (11);

a reversing cylinder (5) is sleeved on the outer side of the rotary cylinder (3); the motor (16) is in one-way transmission connection with the reversing cylinder (5) through the pawl disc (31), and the transmission direction is opposite to that of the rotating cylinder (3); two ends of the limiting rod (23) are positioned at the outer side of the rotary cylinder (3) and are fixedly connected with gears (232); the upper end of the reversing cylinder (5) is provided with a face gear (51) which is in meshing transmission connection with the gear (232); a cylinder seat (52) is formed on the periphery of the lower end of the reversing cylinder (5); a lifting groove (521) is formed in the outer wall of the barrel seat (52) along the circumferential direction; the lifting groove (521) comprises a lifting groove (5211) and a lowering groove (5212); the ascending groove (5211) and the descending groove (5212) form a ring shape; the height of the descending groove (5212) is higher than that of the ascending groove (5211); a fixed cylinder (8) is fixedly connected in the mounting cover (11); the inner wall of the fixed barrel (8) is fixedly connected with a raised head (81); the raised head (81) is connected in the lifting groove (521) in a sliding manner; when the raised head (81) slides into the lifting groove (5211), the reversing cylinder (5) moves to the uppermost end of the stroke, so that the limiting assembly (4) is separated from the rough and fine grinding head (2) and the gear (232) is meshed with the face gear (51); when the raised head (81) slides into the descending groove (5212), the reversing cylinder (5) moves to the lowest end of the stroke, so that the limiting assembly (4) is connected with the coarse and fine grinding head (2) and limits the coarse and fine grinding head (2) to rotate along the limiting rod (23) and the gear (232) is separated from the face gear (51);

the motor (16) rotates forwards to drive the coarse and fine grinding head (2) to rotate in a horizontal plane for pedicuring; the motor (16) rotates reversely to drive the reversing barrel (5) to rotate so that the reversing barrel can move up and down under the action of the raised head (81).

2. The electric pedicure device of the automatic switching grinding head as claimed in claim 1, wherein: the limiting assembly (4) comprises a limiting ring (41) and a positioning ring (42) sleeved on the outer wall of the limiting ring (41); a limiting block (24) is formed at the end part of the limiting rod (23) far away from the coarse and fine grinding head (2); a positioning hole (241) is formed in the limiting block (24) along the vertical direction; a positioning column (4111) inserted in the positioning hole (241) is formed at the upper end of the rotation limiting ring (41); two pairs of rotation limiting columns (421) are symmetrically formed at the upper end of the positioning ring (42); the two paired rotation limiting columns (421) are respectively positioned at two sides of the positioning ring (42); an insertion hole (4112) is formed in the position, corresponding to the rotation limiting column (421), of the upper end of the rotation limiting ring (41); a limit ring (411) is formed at the upper end of the rotation limit ring (41); the height of the rotation limiting column (421) extending out of the limiting ring (411) is greater than the radius of the limiting rod (23);

the middle part of the inner wall of the mounting cover (11) corresponding to the reversing cylinder (5) is fixedly connected with a supporting component (7); the lower end of the limiting component (4) is fixedly connected with a support ring (71); the supporting component (7) comprises a spring fixing cover (72) fixedly connected to the inner wall of the mounting cover (11); the upper end of the spring fixing cover (72) is fixedly connected with a spring (722); the spring (722) is abutted against the lower end of the support ring (71); the lower end of the support ring (71) is fixedly connected with a magnet d (712); and the middle part of the outer wall of the reversing cylinder (5) is fixedly connected with a magnet c (53) attracted with the magnet d (712).

3. The electric pedicure device of the automatic switching grinding head as claimed in claim 1, wherein: the inner wall of the reversing cylinder (5) is fixedly connected with a lower ratchet wheel (523) close to the lower end; the lower end of the pawl disc (31) is correspondingly provided with a lower pawl (313) which is used for enabling the reversing cylinder (5) to rotate in one direction; the lower end of the inner wall of the rotary cylinder (3) is fixedly connected with an upper ratchet wheel (33); the upper end of the pawl disc (31) is correspondingly provided with an upper pawl (312) which is used for enabling the rotary drum (3) to rotate in one direction.

4. An electric pedicure device of automatic switching grinding head as claimed in any one of claims 1-3, characterized in that: when the raised head (81) is positioned in the lifting groove (5211), the motor (16) rotates reversely to drive the rotary cylinder (3) to rotate, so that the rotation angle of the coarse and fine grinding head (2) along the limiting rod (23) is 180 degrees.

5. The electric pedicure device of the automatic switching grinding head as claimed in claim 2, wherein: the distance between the two paired rotation limiting columns (421) is the width corresponding to the width of the limiting block (24) when the positioning column (4111) is inserted into the positioning hole (241).

6. The electric pedicure device of the automatic switching grinding head as claimed in claim 1, wherein: and a limiting plate (231) for preventing the coarse and fine grinding head (2) from axially moving along the limiting rod (23) is formed on the limiting rod (23) corresponding to the outer wall of the rotary cylinder (3).

7. The electric pedicure device of the automatic switching grinding head as claimed in claim 1, wherein: the ascending trough (5211) and the descending trough (5212) are in two groups; the lower end of the cylinder seat (52) is fixedly connected with an anti-drop plate (522); the lower end of the anti-falling plate (522) is fixedly connected with a magnet b (5221); the upper end of the handheld driving part (1) is fixedly connected with a group of magnets a (17) which are arranged in a central symmetry mode and correspond to the position of the magnet b (5221).