CN216165789U - Electric nail grinding device - Google Patents

Abstract

The utility model provides an electric nail grinding device which comprises a shell and a nail grinding seat, wherein a motor, a transmission mechanism and a transmission rod are arranged in the shell, the motor is in transmission connection with the transmission rod through the transmission mechanism and is suitable for driving the transmission rod to do reciprocating motion along the longitudinal direction of the shell, the front end of the shell is provided with an extension part formed by extending towards the front end, the front end of the transmission rod is arranged in the extension part, the extension part is matched with the nail grinding seat, the nail grinding seat is fixedly connected with the transmission rod, and the transmission rod drives the nail grinding seat to do reciprocating motion along the longitudinal direction of the extension part. The utility model provides an electric nail grinding device, wherein a grinding seat with a grinding surface reciprocates along an extension part under the transmission of a driving and transmission mechanism and a transmission rod of a motor, an action surface is the whole plane of the grinding seat contacted with a nail, the action area is large, the formed grinding trace is bidirectional, and the nail surface grinding effect is good.

Description

Electric nail grinding device

Technical Field

The utility model relates to the technical field of nail trimming devices, in particular to an electric nail grinding device.

Background

The nail is a nail-shaped structure with a flat surface at the tip of a human finger, and belongs to connective tissue. The deformation of the paw, also called flat paw, is mainly composed of keratin. But the nail is not trimmed in time for a long time, which easily affects the daily life of people. In the chinese utility model patent publication No. CN 207055120U, a grinding head device of a nail polisher is disclosed, which comprises a grinding head device, a fixed shaft device and a top cover fixing device; wherein, the grinding head device comprises a grinding surface for grinding the fingernails; the fixed shaft device penetrates through the grinding head device from one end of the grinding head device and is connected with the top cover fixing device at the other end of the grinding head device; one end of the fixed shaft device is connected with a driving device, and the other end of the fixed shaft device is connected with a grinding head device and drives the grinding head device to rotate; the joint of the top cover fixing device and the fixed shaft device is provided with a coupling device for fixing and positioning the top cover fixing device and the fixed shaft device.

In the above patent, the polishing surface is driven in a rotating manner to polish the nail surface. The grinding surface and the action surface of the nail are in the tangential direction of the grinding surface, the area of the action surface is small, the direction of the formed grinding trace is single, and the surface of the nail is not ground to be beautiful enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electric nail grinding device is provided, wherein a grinding seat with a grinding surface reciprocates along an extension part under the drive of a motor and a transmission mechanism and a transmission rod, an acting surface is the whole plane of the grinding seat contacted with a nail, the acting area is large, the formed grinding trace is bidirectional, and the nail surface grinding effect is good.

In order to solve the problems, the utility model provides an electric nail grinding device which comprises a shell and a nail grinding seat, wherein a motor, a transmission mechanism and a transmission rod are arranged in the shell, the motor is in transmission connection with the transmission rod through the transmission mechanism and is suitable for driving the transmission rod to do reciprocating motion along the longitudinal direction of the shell, the front end of the shell is provided with an extension part which extends towards the front end, the front end of the transmission rod is arranged in the extension part, the extension part is matched with the nail grinding seat, the nail grinding seat is fixedly connected with the transmission rod, and the transmission rod drives the nail grinding seat to do reciprocating motion along the longitudinal direction of the extension part.

Through the structure, the grinding nail seat is matched with the extension part in a sliding mode, the motor is in transmission connection with the transmission rod through the transmission mechanism, the rotary motion output by the transformer is the reciprocating motion of the transmission rod, and the transmission rod is fixedly connected with the grinding seat and drives the grinding seat to reciprocate along the longitudinal direction of the extension part. The action surface of the grinding seat on the nail is the whole plane contacted with the grinding seat, the action area is large, the formed grinding trace is bidirectional, and the nail surface grinding effect is good.

Optionally, the casing includes epitheca, inferior valve, preceding shell and backshell, the epitheca with inferior valve lid closes and forms the tubular structure, preceding shell with the front end buckle of tubular structure is connected, the backshell with the rear end of tubular structure is connected, be equipped with on the preceding shell the extension. Through the arrangement, the upper shell, the lower shell, the front shell and the rear shell are connected to form a cavity, and the cavity is suitable for mounting the motor. Transmission mechanism, transfer line and electrical components such as battery, switch.

Optionally, the nail grinding seat comprises a file body, a fastening piece and a seat body, wherein a transverse groove suitable for being matched with the extending portion is formed in the seat body, the file body is fixedly installed on the seat body, the fastening piece is connected with the seat body in a fastening mode through a cylindrical fastening piece, the cylindrical fastening piece penetrates through the transverse groove, the extending portion is arranged in the transverse groove, and the cylindrical fastening piece is matched with a connecting hole formed in the transmission rod.

Optionally, a first mounting groove is formed in the base body, and the file body is mounted in the first mounting groove in an embedded manner through an adhesive sheet; the bonding sheet is selected from double-sided adhesive tape.

Optionally, a second mounting groove is formed in one side, away from the first mounting groove, of the seat body, a clamping groove is formed in the bottom of the second mounting groove, a cantilever buckle is arranged on the buckle piece, the buckle piece is installed in the second mounting groove in an embedded mode, and the cantilever buckle is connected with the clamping groove in a buckled mode; the arrangement of the first mounting groove and the second mounting groove enables the file body, the clamping piece and the seat body to be connected to form a whole with a smooth surface.

Optionally, an oblong through hole is vertically formed in the extending portion, an extending cavity is formed in the extending portion and extends forwards from the rear end of the front shell, and the front end of the transmission rod is slidably placed in the extending cavity.

Optionally, the transmission mechanism includes a linkage gear and a driven gear, the output shaft of the motor is connected with a spur gear, the spur gear is connected with the linkage gear in a meshing manner, the linkage gear is connected with the driven gear in a meshing manner, an eccentric shaft is arranged on the driven gear, a long circular hole is formed in the transmission rod, and the eccentric shaft is inserted into the long circular hole in a matching manner.

Drawings

FIG. 1 is a schematic structural diagram of an electric nail grinding device in an embodiment of the utility model;

FIG. 2 is a perspective view of an electric nail grinding apparatus in an embodiment of the present invention;

FIG. 3 is an exploded view of an electric nail grinding apparatus in an embodiment of the present invention;

FIG. 4 is a schematic illustration of the linkage of the drive mechanism in an embodiment of the present invention;

FIG. 5 is a partial exploded view of the electric nail grinding apparatus in the embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a base body according to an embodiment of the present invention;

FIG. 7 is a bottom view of the base in the embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a locking member according to an embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of a front case according to an embodiment of the present invention;

FIG. 10 is a perspective view of a front housing in an embodiment of the present invention;

FIG. 11 is a front view of a front shell in an embodiment of the present invention;

FIG. 12 is a cross-sectional view taken along line A-A of FIG. 11;

fig. 13 is a schematic structural view of a driven gear in the embodiment of the present invention.

Description of reference numerals:

1. a housing; 2. grinding a nail seat; 3. a switch; 4. a motor; 5. a transmission mechanism; 6. a transmission rod; 7. a battery;

11. an upper shell; 12. a lower case; 13. a front housing; 14. a rear housing;

131. an extension portion; 132. a through hole; 133. an extension cavity;

21. filing; 22. a fastener; 23. a bonding sheet; 24. a base body;

221. a cantilever is buckled; 222. a cylindrical buckle;

241. a transverse slot; 242. a first mounting groove; 243. a slot; 244. a clamping hole; 245. a second mounting groove; 246. a card slot;

41. a spur gear;

51. a linkage gear; 52. a driven gear;

521. an eccentric shaft;

61. a long round hole; 62. and connecting the holes.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the present embodiment provides an electric nail grinding device including a housing 1 and a nail grinding holder 2. The following description will be made with reference to the orientation in which the grinding base is provided at the front end of the housing 1 and the file 21 is provided on the upper surface of the grinding base.

Referring to fig. 3, a motor 4, a transmission mechanism 5 and a transmission rod 6 are installed inside the housing 1, the motor 4 is in transmission connection with the transmission rod 6 through the transmission mechanism 5 and is suitable for driving the transmission rod 6 to reciprocate along the longitudinal direction of the housing 1, the front end of the housing 1 is provided with an extension part 131 formed by extending towards the front end, the front end of the transmission rod 6 is placed into the extension part 131, the extension part 131 is matched with the grinding nail seat 2, the grinding nail seat 2 is fixedly connected with the transmission rod 6, and the transmission rod 6 drives the grinding nail seat 2 to reciprocate along the longitudinal direction of the extension part 131.

Specifically, the housing 1 includes an upper housing 11, a lower housing 12, a front housing 13 and a rear housing 14, the upper housing 11 and the lower housing 12 are covered to form a tubular structure, the front housing 13 is connected with the front end of the tubular structure in a snap-fit manner, the rear housing 14 is connected with the rear end of the tubular structure, and the front housing 13 is provided with an extending portion 131. With the above arrangement, the upper casing 11, the lower casing 12, the front casing 13 and the rear casing 14 are connected to form a cavity, and the cavity is suitable for mounting the motor 4. Transmission mechanism 5, transmission rod 6, battery 7, switch 3 and other electrical components.

In this embodiment, the front end of the upper shell 11 and the front end of the lower shell 12 are both provided with a structure suitable for being connected with the rear end of the front shell 13 in a snap-fit manner, and after the upper shell 11 and the lower shell 12 are covered in a snap-fit manner, the tubular structure of the through hole 132 formed by covering the upper shell 11 and the lower shell 12 is connected with the front shell 13 in a snap-fit manner. The outer peripheral surface of the rear end of the tubular structure is provided with external threads, the inner wall of the rear shell 14 is provided with internal threads, and the rear shell 14 is in threaded connection with the rear end of the tubular structure to fixedly connect the upper shell 11 and the lower shell 12 into a whole.

Further, as shown in fig. 3, a battery 7, a circuit board, and circuit components for electrical connection are also mounted in the internal cavity of the housing 1. The battery 7 is adapted to power the circuit board to which the switch 3 is connected and the motor 4. Referring to fig. 2, the switch 3 is selected from the sliding switches 3, and the sliding switch 3 is exposed on the lower surface of the housing 1. That is, the sliding switch 3 is exposed on the outer surface of the lower casing 12, and the circuit connection structure among the battery 7, the circuit board, the switch 3, the motor 4 and other circuit components is a common connection structure in the prior art in this embodiment, which is not repeated.

Specifically, as shown in fig. 4 and 13, the transmission mechanism 5 includes a linkage gear 51 and a driven gear 52, the output shaft of the motor 4 is connected with a spur gear 41, the spur gear 41 is engaged with the linkage gear 51, the linkage gear 51 is engaged with the driven gear 52, the driven gear 52 is provided with an eccentric shaft 521, the transmission rod 6 is provided with an oblong hole 61, and the eccentric shaft 521 is fittingly inserted into the oblong hole 61.

Further, as shown in fig. 4, the driving rod 6 is a flat and long bar-shaped structure, and has a front end and a rear end, a connecting hole 62 is vertically formed through a front end portion adjacent to the driving rod 6, and an oblong hole 61 is vertically formed through a rear end portion adjacent to the driving rod 6. When the motor 4 works, the output shaft of the motor 4 drives the spur gear 41 to rotate, the spur gear 41 sequentially drives the linkage gear 51 and the driven gear 52 to rotate, and the driven gear 52 drives the eccentric shaft 521 to do eccentric motion in the rotating process. Since the eccentric shaft 521 is fittingly inserted into the oblong hole 61, the left and right movements of the eccentric shaft 521 are offset by the oblong hole 61, and the forward and backward movements of the eccentric shaft 521 drive the transmission rod 6 to reciprocate forward and backward.

Specifically, as shown in fig. 5 and 8, the nail polish base 2 includes a file body 21, a fastening member 22 and a base 24, the base 24 is provided with a transverse groove 241 adapted to cooperate with the extending portion 131, the file body 21 is fixedly mounted on the base 24, the fastening member 22 is fastened and connected with the base 24 through a cylindrical fastening 222, and the cylindrical fastening 222 is inserted into the inner extending portion 131 of the transverse groove 241 and cooperates with the connecting hole 62 provided on the transmission rod 6.

Further, when the grinding nail holder 2 is installed, the extending portion 131 is first inserted into the transverse groove 241 of the holder body 24, and the inserted extending portion 131 and the holder body 24 can slide relatively. Then, the locking member 22 is locked with the seat body 24, and in the process of locking the locking member 22 and the seat body 24, the cylindrical locking member 222 on the locking member 22 penetrates through the extending portion 131 to be matched with the connecting hole 62. Namely, the cylindrical buckle 222 and the extension part 131 can slide relatively, and the cylindrical buckle 222 and the transmission rod 6 are fixedly connected through the connecting hole 62, so that the transmission rod 6 and the grinding nail holder 2 are fixedly connected.

Specifically, as shown in fig. 6, the holder body 24 is provided with a first mounting groove 242, and the file body 21 is fitted into the first mounting groove 242 by the bonding sheet 23.

Further, in the present embodiment, the adhesive sheet 23 is selected from a double-sided tape.

Further, as shown in fig. 6, a slot 243 and a locking hole 244 are vertically formed in the base 24, the slot 243 connects the inside of the transverse slot 241 with the bottom surface of the base 24, and the locking hole 244 connects the inside of the transverse slot 241 with the upper surface of the base 24. The upper end of the cylindrical buckle 222 passes through the slot 243 and the transverse slot 241 and then is connected with the buckle hole 244 to form a constraint relation.

Specifically, as shown in fig. 6 and 7, a second mounting groove 245 is disposed on one side of the seat body 24 away from the first mounting groove 242, a clamping groove 246 is disposed at the bottom of the second mounting groove 245, a cantilever fastening 221 is disposed on the fastening member 22, the fastening member 22 is embedded in the second mounting groove 245, and the cantilever fastening 221 is fastened to the clamping groove 246.

Further, the first mounting groove 242 and the second mounting groove 245 are configured such that the file body 21, the fastening member 22 and the seat body 24 are connected to form a flat surface.

Further, the first mounting groove 242 is formed by downwardly recessing the upper surface of the housing 24, and the second mounting groove 245 is formed by upwardly recessing the lower surface of the housing 24.

Specifically, as shown in fig. 9 to 12, an oblong through hole 132 is vertically formed in the extension portion 131, an extension cavity 133 is formed inside the extension portion 131, the extension cavity 133 extends forward from the rear end of the front housing 13, and the front end of the transmission rod 6 is slidably disposed in the extension cavity 133.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims (7)

1. An electronic first device that grinds which characterized in that: including casing (1) and first seat of grinding (2), the internally mounted of casing (1) has motor (4), drive mechanism (5) and transfer line (6), motor (4) through drive mechanism (5) with transfer line (6) transmission is connected, is suitable for the drive transfer line (6) are followed reciprocating motion is done to the vertical of casing (1), casing (1) front end has extension (131) that extend the formation to the front end, just the front end of transfer line (6) is put into in extension (131), extension (131) with first seat of grinding (2) cooperation, first seat of grinding (2) with transfer line (6) fixed connection, transfer line (6) drive first seat of grinding (2) are followed reciprocating motion is done to the vertical of extension (131).

2. The electric nail grinding device according to claim 1, wherein: casing (1) includes epitheca (11), inferior valve (12), preceding shell (13) and backshell (14), epitheca (11) with inferior valve (12) lid closes and forms tubular structure, preceding shell (13) with tubular structure's front end buckle is connected, backshell (14) with tubular structure's rear end is connected, be equipped with on preceding shell (13) extension (131).

3. The electric nail grinding device according to claim 2, wherein: first grinding seat (2) is including file body (21), buckle spare (22) and pedestal (24), be equipped with on pedestal (24) be suitable for with extension (131) complex transverse groove (241), file body (21) fixed mounting be in on pedestal (24), buckle spare (22) through cylindricality buckle (222) with pedestal (24) buckle is connected, just cylindricality buckle (222) run through and put into in transverse groove (241) extension (131), and with set up connecting hole (62) cooperation on transfer line (6).

4. The electric nail grinding device according to claim 3, wherein: the file is characterized in that a first mounting groove (242) is formed in the base body (24), and the file body (21) is mounted in the first mounting groove (242) in an embedded mode through an adhesive sheet (23).

5. The electric nail grinding device according to claim 4, wherein: one side of the base body (24) far away from the first mounting groove (242) is provided with a second mounting groove (245), the bottom of the second mounting groove (245) is provided with a clamping groove (246), the buckling piece (22) is provided with a cantilever buckle (221), the buckling piece (22) is embedded and installed in the second mounting groove (245), and the cantilever buckle (221) is connected with the clamping groove (246) in a buckling mode.

6. The electric nail grinding device according to claim 3, wherein: an oblong through hole (132) is vertically formed in the extending portion (131), an extending cavity (133) is formed in the extending portion (131), the extending cavity (133) extends forwards from the rear end of the front shell (13), and the front end of the transmission rod (6) is slidably arranged in the extending cavity (133).

7. The electric nail grinding device according to claim 1, wherein: drive mechanism (5) are including linkage gear (51) and driven gear (52), the output shaft of motor (4) is connected with straight-teeth gear (41), straight-teeth gear (41) with linkage gear (51) meshing is connected, linkage gear (51) with driven gear (52) meshing is connected, be equipped with eccentric shaft (521) on driven gear (52), be equipped with slotted hole (61) on transfer line (6), insert eccentric shaft (521) cooperation in slotted hole (61).

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