CN216627070U - Pet nail grinding device - Google Patents

Abstract

The utility model relates to a pet nail grinding device which comprises a motor, a grinding head and a rotating shaft, wherein the motor drives the rotating shaft to drive the grinding head to rotate; the first rotating piece is of an integrally formed structure and comprises a rotating shaft connecting seat, a damping part and a plurality of transmission claws, wherein the damping part is arranged between the rotating shaft connecting seat and the transmission claws; the second adaptor is provided with a transmission block corresponding to the transmission claw of the first adaptor; the top end of the rotating shaft is fixed with the grinding head, and the bottom end of the rotating shaft is fixed with the rotating shaft connecting seat of the first connecting piece; the second adaptor is fixed together with the motor shaft of motor, and the driving block cooperates with the driving pawl. The grinding head damping device has the beneficial effects that the number of transmission elements between the motor and the grinding head is small, the structure is simple, the number of elements is small, the installation is simple, and good damping, noise reduction and grinding head temperature reduction effects are achieved.

Description

Pet nail grinding device

Technical Field

The utility model relates to the technical field of pet articles, in particular to a pet nail grinding device.

Background

The pet's fingernails have the function of protecting the paws, helping to climb up, etc., and thus have the characteristic of growing constantly, but the excessively long fingernails easily injure people or damage furniture, and the fingernails curl and even grow into a meat pad for a long time, so that the pet owner needs to frequently trim the fingernails for the pet.

At present, the commonly used nail polisher on the market is divided into a low-speed electric nail polisher and a high-speed electric nail polisher, and the high-speed electric nail polisher is high in speed, so that the transmission structure is complex, vibration is easily caused in the transmission process, the noise is very large, and the user experience is not good.

Therefore, there is a need for a pet nail grinding device with a simple transmission structure, which can reduce vibration and noise.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above disadvantages and shortcomings of the prior art, the present invention provides a pet nail grinder, which solves the technical problems of complicated transmission structure, large vibration and high noise of the existing nail grinder.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the main technical scheme that:

in a first aspect, an embodiment of the present invention provides a pet nail grinding device, which includes a motor, a grinding head and a rotating shaft, wherein the motor drives the rotating shaft to drive the grinding head to rotate,

the device also comprises a first adapter and a second adapter;

the first rotating piece is of an integrally formed structure and comprises a rotating shaft connecting seat, a damping part and a plurality of transmission claws, wherein the damping part is arranged between the rotating shaft connecting seat and the transmission claws;

the second adaptor is provided with a transmission block corresponding to the transmission claw of the first adaptor;

the top end of the rotating shaft is fixed with the grinding head, and the bottom end of the rotating shaft is fixed with the rotating shaft connecting seat of the first connecting piece;

the second adaptor is fixed together with the motor shaft of motor, the transmission piece with the driving pawl cooperation.

Optionally, the rotating shaft connecting seat and the transmission claw of the first rotating member are made of metal or engineering plastics, and the damping part is made of an elastomer;

the second adaptor is made of metal or engineering plastics.

Optionally, the pet nail polisher further comprises a grinding head bracket, an oil bearing, a spring and a grinding head assembly fixing frame;

the grinding head support comprises an accommodating part and an oil-retaining bearing fixing part, an outer ring of the oil-retaining bearing is fixed in a fixing hole of the oil-retaining bearing fixing part, an inner ring is sleeved in the middle of the rotating shaft, and the first rotating connector is arranged in the accommodating part;

the spring is sleeved on the rotating shaft and is positioned between the first rotating piece and the oil-retaining bearing;

the second adapter is arranged in the grinding head assembly fixing frame, and the motor shaft penetrates through a bottom plate of the grinding head assembly fixing frame to be fixed with the second adapter; the accommodating part of the grinding head support is fixed in the grinding head component fixing frame.

Optionally, the grinding head assembly fixing frame further comprises a side wall arranged on the bottom plate, and an elastic buckle is arranged on the inner side of the side wall;

the outer side of the side wall of the grinding head support is provided with a first buckle corresponding to the elastic buckle, and the elastic buckle is matched with the first buckle to fix the grinding head support on the grinding head assembly fixing frame.

Optionally, the transmission block abuts against the damping portion of the first adapter and jacks up the first adapter, so that a gap is formed between the bottom surface of the grinding head and the top end surface of the oil-containing bearing mounted on the grinding head support.

Optionally, the pet nail grinding device further comprises a control circuit board, a power supply box and a power supply;

the control circuit board is electrically connected with the motor, the power supply box is fixed below the control circuit board, and the power supply is arranged in the power supply box and electrically connected with the control circuit board.

Optionally, a gear switch circuit, a kinetic energy compensation circuit, an intelligent switch and a power circuit are arranged on the control circuit board; the gear switch circuit and the kinetic energy compensation circuit are electrically connected with the power circuit, and the power circuit is electrically connected with the power supply and the motor through the control circuit board;

the intelligent switch is electrically connected with the kinetic energy compensation circuit.

Optionally, the pet nail polisher further comprises a shell, wherein the front end of the shell is provided with a mounting hole, and the tail of the shell is provided with a charging port;

the grinding head component fixing frame, the motor, the control circuit board and the charging interface are sequentially fixed on the upper shell. The grinding head assembly fixing frame is fixed to the head of the upper shell and exposed out of the mounting hole, and the charging interface is fixed to the tail of the upper shell and exposed out of the charging interface.

Optionally, the front end of the casing is further provided with an LED lighting lamp, and the LED lighting lamp is electrically connected with the control circuit board through a wire.

Optionally, the casing is provided with a gear switch and an intelligent switch button corresponding to the gear switch circuit and the intelligent switch respectively.

(III) advantageous effects

The beneficial effects of the utility model are:

1. the transmission between the motor and the grinding head is realized by matching the integrally formed first adapter and the second adapter, the eccentric problem caused by the overlong rotating shaft during rotation can be avoided, and the shock absorption part is arranged between the rotating shaft connecting seat of the first adapter and the transmission claw, so that the collision between the transmission claw and the transmission block can be buffered, the transmission is more stable, the structure is simple, the number of elements is small, the installation is simple, and good shock absorption, noise reduction and grinding head temperature reduction effects are realized;

2. the top of the grinding head bracket is provided with the oil-containing bearing fixing part, and the fixing of the rotating shaft can be realized by only arranging one oil-containing bearing in the oil-containing bearing fixing part, so that the number of elements of the replaceable grinding head assembly is further reduced;

3. the grinding head bracket and the grinding head component fixing frame are matched by a buckle, so that when the grinding head, the rotating shaft, the oil-containing bearing and other elements are worn, the replaceable grinding head component is convenient to replace, and the problems of poor grinding effect, loud rotation and the like caused by the wear of the elements are avoided;

4. after the replaceable grinding head assembly is fixed on the grinding head assembly fixing frame, the second adapter jacks up the first adapter, so that a gap is reserved between the bottom surface of the grinding head and the top end face of the oil-containing bearing, and the problems of noise, vibration and overhigh temperature of the grinding head caused by friction between the grinding head and the top end face of the oil-containing bearing during high-speed rotation are solved.

Drawings

FIG. 1 is a perspective view of embodiment 1 of the pet nail polish remover of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is an exploded view of fig. 1.

[ description of reference ]

11-a grinding head; 12-a rotating shaft; 13-a first transition piece; 133-a driving pawl; 14-oil-impregnated bearings; 15-a spring; 16-a grinding head support; 161-a receptacle; 162-oil retaining bearing securing portion; 21-a motor; 22-a second adaptor; 221-a transmission block; 30-a grinding head assembly fixing frame; 41-control circuit board; 411-an indicator light; 412-a smart switch; 42-a power supply; 43-a power supply box; 44-a charging interface; 50-a housing; 51-upper shell; 52-a lower shell; 511-decorative panels; 512-LED lighting lamps; 513-gear switch key; 5131-switch bracket; 5132-metal dome; 514-smart switch keys; 515-indicator light guide post; 60-grinding head cover; 61-grinding nail mouth.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present embodiments of the utility model, which are illustrated in the accompanying drawings. As used herein, the terms "front," back, "" up, "" down, "" in.

According to the pet nail grinding device provided by the embodiment of the utility model, the transmission between the motor and the grinding head can be realized by matching the first adapter and the second adapter which are integrally formed, and the shock absorption part is arranged between the rotating shaft connecting seat of the first adapter and the transmission claw, so that the collision between the transmission claw and the transmission block can be buffered, the structure is simple, the number of elements is small, and good effects of shock absorption, noise reduction and grinding head temperature reduction are achieved; the top of the grinding head bracket is provided with the oil-containing bearing fixing part, and the fixing of the rotating shaft can be realized by only arranging one oil-containing bearing in the oil-containing bearing fixing part, so that the number of elements of the replaceable grinding head assembly is further reduced; the grinding head support and the grinding head component fixing frame are matched through a buckle, and when the grinding head is abraded, the replaceable grinding head component is convenient to replace.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

Detailed description of the preferred embodiments

Example 1:

referring to fig. 1 to 4, the pet nail grinder of the present embodiment includes a replaceable grinding head assembly, a motor 20, a holder fixing member 30, a control circuit board 41, and a housing 50, a grinding head cover 60.

The replaceable grinding head assembly includes a grinding head 11, a rotating shaft 12, a first coupling member 13, an oil-impregnated bearing 14, springs 15, and a grinding head holder 16.

This first adaptor 13 adopts double-colored mould integrated into one piece, and it includes pivot connecting seat, damper portion and three driving pawl 133. The shock attenuation portion is located between pivot connecting seat and the driving pawl, and the even setting of driving pawl 133 is on the circumference of shock attenuation portion.

In practical applications, the material of the rotating shaft connecting seat and the driving pawl 133 may be metal or engineering plastic, and the material of the damping portion may be an elastomer. Set up the shock attenuation portion between pivot connecting seat and driving pawl 133, the top of driving pawl 133 during the cooperation transmission of driving block 221 of second adaptor 22 is with this shock attenuation portion mutual butt, can cushion the collision between driving pawl 133 and the driving block 221, plays good shock attenuation, falls the noise, reduces the effect of bistrique temperature.

In practical applications, the material of the rotating shaft connecting seat and the driving pawl 133 may be metal or engineering plastic, such as polycarbonate PC, and the material of the damping portion may be an elastomer material, such as thermoplastic TPE.

The grinding-head bracket 16 includes a housing portion 161 and an oil-impregnated bearing fixing portion 162. The accommodating part 161 is provided with a side wall and an accommodating cavity which is surrounded by the side wall and has an opening at the bottom end, the outer side of the side wall is provided with a first buckle, and the top of the side wall is provided with a limiting step; the oil-retaining bearing fixing portion 162 is provided at the top of the accommodating portion 161, and is provided with an oil-retaining bearing fixing hole, which is a through hole.

The first rotating member 13 is disposed in the accommodating portion 161, and a rotating shaft connecting seat thereof is fixed to a bottom end of the rotating shaft 12; the inner ring of the oil-retaining bearing 14 is sleeved in the middle of the rotating shaft 12, and the outer ring of the oil-retaining bearing 14 is fixed in the fixing hole of the accommodating part 161; the spring 15 is sleeved on the rotating shaft 12 and is positioned between the first rotating part 13 and the oil-retaining bearing 14; the grinding head 11 is fixed on the top end of the rotating shaft 12.

In this embodiment, the spring 15 is a compression spring, and is disposed between the first adaptor 13 and the oil-retaining bearing 14, and can provide downward elastic force to the first adaptor 13, so that the first adaptor can be better matched with the second adaptor 21, and the rotating shaft 12 is driven to rotate.

The grinding head component fixing frame 30 comprises a bottom plate and a side wall arranged on the bottom plate, a motor shaft hole is formed in the bottom plate, and an elastic buckle is arranged on the inner side of the side wall corresponding to the first buckle.

In practical application, the elastic buckle can be integrally formed with the side wall, at the moment, the two sides of the elastic buckle are hollowed out to form a strip-shaped structure capable of being slightly bounced, and a bulge is arranged in the direction towards the inner side of the grinding head assembly fixing frame 30; the elastic buckle can also be made of independent elastic materials (such as metal shrapnel) and arranged on the inner side of the side wall. When the replaceable grinding head assembly is inserted into the grinding head assembly fixing frame 30, the first buckle of the grinding head support 16 is matched with the grinding head assembly fixing frame 30 in an elastic mode to fix the replaceable grinding head assembly in the grinding head assembly fixing frame 30, and when the grinding head 11 of the replaceable grinding head assembly is abraded, the replaceable grinding head assembly can be directly pulled out of the grinding head assembly fixing frame 30 to be replaced by a new replaceable grinding head assembly.

In practical application, a damping sheet can be arranged on the outer side of the side wall of the grinding head component fixing frame 30, and the damping sheet can be made of foam; the motor 21 can be wound with cloth adhesive, and the cloth adhesive can adhere the motor 21 and the shell 50 together, so that the motor 21 is prevented from shaking during working, and meanwhile, the vibration absorption and noise reduction effects are achieved.

The second adaptor 22 is made of metal or engineering plastic, and is provided with a driving block 221 corresponding to the driving claw 133 of the first adaptor 13.

The second adaptor 22 is arranged in the grinding head assembly fixing frame 30, and a motor shaft of the motor 21 penetrates through a motor shaft hole of the grinding head assembly fixing frame 30 and is fixed on the second adaptor 22. The accommodating part 161 of the grinding head support 16 is inserted into the grinding head assembly fixing frame 30, the first buckle is matched with the elastic buckle, the limiting step of the accommodating part 161 is clamped at the top of the side wall of the grinding head assembly fixing frame 30, the transmission claw 133 of the first adapter 13 is matched with the transmission block 221 of the second adapter 22, the transmission block 221 is abutted against the damping part of the first adapter 13, the first adapter 13 is jacked up, the bottom surface of the grinding head 11 is separated from the top end surface of the oil-containing bearing 14 and keeps a gap with the top end surface, and the size of the gap can be set according to actual needs, for example, the gap is set to be 0-2 mm.

In practical application, when the replaceable grinding head assembly is not assembled on the grinding head assembly fixing frame 30, because the spring 15 is sleeved on the rotating shaft 12 between the first adapter 13 and the oil-containing bearing 14, under the action of the spring 15, the first adapter 13 is subjected to an elastic force towards the bottom end of the rotating shaft 12, so that the bottom surface of the grinding head 11 positioned at the top end of the rotating shaft 12 is in abutting contact with the top end surface of the oil-containing bearing 14, and therefore, when the transmission claw 133 of the first adapter 13 is matched with the transmission block 221 of the second adapter 22, the transmission block 221 abuts against the damping part of the first adapter 13, the first adapter 13 is jacked up, a gap is formed between the bottom surface of the grinding head 11 and the top end surface of the oil-containing bearing 14, and the problems of noise, vibration and overhigh temperature of the grinding head caused by friction between the grinding head 11 and the top end surface of the oil-containing bearing 11 during high-speed rotation can be avoided.

When the motor 21 is operated, the motor shaft drives the second adapter 22 to rotate, and the second adapter 22 drives the first adapter 13 to rotate, so that the rotating shaft 12 and the grinding head 11 are driven to rotate rapidly.

The control circuit board 41 is disposed behind the motor 21 and electrically connected to the motor 21 through a wire, and is used for controlling the operating state of the motor 21. The control circuit board 41 is provided with a gear switch circuit, a kinetic energy compensation circuit, an intelligent switch 412 and a power circuit. The gear switch circuit and the kinetic energy compensation circuit are electrically connected with a power circuit, and the power circuit is electrically connected with a power supply 42 and the motor 21 through a control circuit board 41. The gear switch circuit is electrically connected with the power circuit and is used for controlling the power circuit to supply power to the motor 21 so as to turn on or off the nail polisher and also can be used for controlling the rotating speed of the motor 21, wherein if the gear 0 is used for turning off the nail polisher, the gear 1 is in a low-speed mode, and the gear 2 is in a high-speed mode; the intelligent switch 412 is electrically connected with the kinetic energy compensation circuit and is used for controlling the kinetic energy compensation circuit so as to start or stop the kinetic energy compensation function of the nail polisher; the power circuit is used for controlling charging and discharging of the power supply 42 and detecting the electric quantity of the power supply. Specifically, the kinetic energy compensation circuit is provided with a function compensation module, after the grinding mode intelligent selection function is started, the power compensation module can adjust the power of the motor in real time according to the load of the replaceable grinding head assembly, the problems that the energy loss of the battery is increased, the service life loss of the replaceable grinding head assembly and the friction heat is increased and the like caused by idle work of the motor in high-power high-rotating-speed work under low load are avoided, and meanwhile, the problem that grinding is not smooth caused by low-power low-rotating-speed work of the motor is avoided.

Still set up a plurality of pilot lamps 411 on the control circuit board 41, pilot lamp 411 is connected with power supply circuit electricity, can be used for instructing battery power, motor operating position etc..

The power supply box 43 is fixed below the control circuit board 41, and the power supply 42 is disposed in the power supply box 43 and electrically connected to the control circuit board 41. The power supply 42 is a rechargeable battery, the tail of the control circuit board 41 is also provided with a charging interface 44, and the charging interface 44 is electrically connected with the power circuit.

In practice, a shock-proof piece may be disposed between the power source 42 and the housing 50, and the shock-proof piece may be directly attached to the power source 42.

The housing 50 includes an upper shell 51 and a lower shell 52 that are fitted to each other. The front end of the upper shell 51 is provided with an LED illuminating lamp 512, and the upper side is provided with a gear switch, an intelligent switch button 514 and a decorative plate 511. Wherein the decorative plate 511 is fixed to the upper case 51. The LED lighting lamp 512 is fixed to the front end of the decorative plate 511 and is electrically connected to the control circuit board 41 through a wire. The gear switch comprises a gear switch key 513 and a switch support 5131, the gear switch key 513 is arranged in a gear groove at the tail of the decorative plate 511, a poking rod of the gear switch key 513 penetrates through a poking rod groove in the gear groove and a window of the upper shell 51 and is fixed with the switch support 5131 fixed on the upper shell 51 in a sliding manner, a metal elastic sheet 5132 is arranged on the switch support 5131, and the metal elastic sheet 5132 is in sliding contact with a switch circuit to realize the functions of switching and gear adjustment. The intelligent switch key 514 is arranged at the rear of the decorative plate 511, and passes through the key hole of the upper shell 51 to be in contact connection with the intelligent switch 412 on the control circuit board 41.

The upper case 51 corresponds to the indicator 411 on the control circuit board, and is further provided with an indicator light guide post 515 and a light hole.

In practical application, the intelligent switch 412 may also be provided with an indicator light for indicating whether the intelligent function is turned on, and the switch button 514 may also be provided with a light guide pillar at this time, so that the light of the indicator light can be transmitted through the light guide pillar.

In practical application, a photosensitive module may be further disposed on the upper shell 51 or the lower shell 52, and a brightness adjusting circuit electrically connected to the power circuit, the LED lighting lamp 512 and the photosensitive module may be further disposed on the circuit board at this time, for adjusting the brightness of the LED lighting lamp 512 according to the brightness data sensed by the photosensitive module.

The grinding head assembly holder 30, the motor 21, the control circuit board 41 and the charging interface 44 are sequentially fixed on the upper case 51. Wherein, the grinding head component fixing frame 30 is fixed at the head part of the upper shell 51, and the charging interface 44 is fixed at the tail part of the upper shell 51.

The front end of the upper shell 51 and the front end of the lower shell 52 are both provided with notches, when the upper and lower shells are buckled together, the front end of the shell 50 forms a mounting hole, the grinding head component fixing frame 30 is exposed from the mounting hole, and the grinding head support 16 is conveniently inserted into the grinding head component fixing frame 30 from the mounting hole for mounting.

The tail of inferior valve 52 corresponds interface 44 that charges and is equipped with the interface that charges, makes things convenient for charging plug to insert the interface that charges.

A head housing 60 is fitted to the housing 50 to cover the replaceable grinding head assembly 11. The side of the grinding head cover 60 is provided with a nail grinding port 61 corresponding to the grinding head 11, so that nails can conveniently extend into the grinding head cover 60 for grinding.

The pet nail grinding device of the embodiment has the following advantages:

1. the transmission between the motor and the grinding head can be realized by matching the integrally formed first adapter and the second adapter, and the shock absorption part is arranged between the rotating shaft connecting seat of the first adapter and the transmission claw, so that the collision between the transmission claw and the transmission block can be buffered, the structure is simple, the number of elements is small, the installation is simple, and good shock absorption, noise reduction and grinding head temperature reduction effects are realized;

2. the top of the grinding head bracket is provided with the oil-containing bearing fixing part, and the fixing of the rotating shaft can be realized by only arranging one oil-containing bearing in the oil-containing bearing fixing part, so that the number of elements of the replaceable grinding head assembly is further reduced;

3. the grinding head bracket and the grinding head component fixing frame are matched by a buckle, so that the replaceable grinding head component is convenient to replace after the grinding head is worn;

4. after the replaceable grinding head assembly is fixed on the grinding head assembly fixing frame, the second adapter jacks up the first adapter, so that a certain gap is reserved between the bottom surface of the grinding head and the top end face of the oil-containing bearing, and the problems of noise, vibration and overhigh temperature of the grinding head caused by the friction between the grinding head and the top end face of the oil-containing bearing during high-speed rotation are solved.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and not to be construed as limiting the present invention and that those skilled in the art may make modifications, alterations, substitutions and alterations to the above embodiments within the scope of the present invention.

Claims (10)

1. The utility model provides a pet first ware that grinds, includes motor (21), bistrique (11) and pivot (12), motor (21) drive pivot (12) drive bistrique (11) are rotatory, its characterized in that:

the device also comprises a first adapter (13) and a second adapter (22);

the first rotating piece (13) is of an integrally formed structure and comprises a rotating shaft connecting seat, a damping part and a plurality of transmission claws (133), wherein the damping part is arranged between the rotating shaft connecting seat and the transmission claws (133);

the second adaptor (22) is provided with a transmission block (221) corresponding to the transmission claw (133) of the first adaptor (13);

the top end of the rotating shaft (12) is fixed with the grinding head (11), and the bottom end of the rotating shaft (12) is fixed with the rotating shaft connecting seat of the first rotating part (13);

the second adaptor (22) is fixed with a motor shaft of the motor (21), and the transmission block (221) is matched with the transmission claw (133).

2. The pet nail grinder according to claim 1, wherein the rotating shaft connecting seat of the first rotating member (13) and the driving claw (133) are made of metal or engineering plastics, and the damping part is made of an elastomer;

the second adaptor (22) is made of metal or engineering plastics.

3. The pet nail grinder of claim 1, further comprising a grater bracket (16), an oil bearing (14), a spring (15), and a grater assembly holder (30);

the grinding head support (16) comprises an accommodating part (161) and an oil-retaining bearing fixing part (162), the outer ring of the oil-retaining bearing (14) is fixed in a fixing hole of the oil-retaining bearing fixing part (162), the inner ring of the oil-retaining bearing (14) is sleeved on the middle part of the rotating shaft (12), and the first rotating connector (13) is arranged in the accommodating part (161);

the spring (15) is sleeved on the rotating shaft (12) and is positioned between the first rotating part (13) and the oil-retaining bearing (14);

the second adapter (22) is arranged in the grinding head assembly fixing frame (30), and the motor shaft penetrates through a bottom plate of the grinding head assembly fixing frame (30) and is fixed with the second adapter (22);

the accommodating portion (161) of the wheelhead bracket (16) is fixed in the wheelhead assembly holder (30).

4. A pet nail grinder as claimed in claim 3, wherein said grater assembly holder (30) further comprises a side wall provided on said bottom plate, an inner side of said side wall being provided with an elastic catch;

the outer side of the side wall of the accommodating part (161) of the grinding head support (16) is provided with a first buckle corresponding to the elastic buckle, and the elastic buckle is matched with the first buckle to fix the grinding head support (16) on the grinding head component fixing frame (30).

5. A pet nail grinder as claimed in claim 3, wherein the transmission block (221) is pressed against the shock absorbing portion of the first coupling member (13) and lifts up the first coupling member (13) so that a gap is provided between the bottom surface of the grinding head (11) and the top end surface of the oil-impregnated bearing (14) mounted on the grinding head bracket (16).

6. A pet nail grinder as claimed in claim 5, further comprising a control circuit board (41), a power supply box (43), a power supply (42) and a charging interface (44);

the control circuit board (41) is electrically connected with the motor (21) and the charging interface (44), the power supply box (43) is fixed below the control circuit board (41), and the power supply (42) is arranged in the power supply box (43) and electrically connected with the control circuit board (41).

7. The pet nail polisher according to claim 6, wherein the control circuit board (41) is provided with a gear switch circuit, a kinetic energy compensation circuit, an intelligent switch (412) and a power circuit;

the gear switch circuit and the kinetic energy compensation circuit are electrically connected with the power circuit, and the power circuit is electrically connected with the power supply (42) and the motor (21) through the control circuit board (41);

the intelligent switch (412) is electrically connected with the kinetic energy compensation circuit.

8. The pet nail polisher according to claim 7, further comprising a housing (50), wherein the housing (50) has a mounting hole at a front end and a charging port at a rear end;

the grinding head assembly fixing frame (30), the motor (21), the control circuit board (41) and the charging interface (44) are sequentially fixed in the shell (50), wherein the grinding head assembly fixing frame (30) is fixed at the head of the shell (50) and exposed out of the mounting hole, and the charging interface (44) is fixed at the tail of the shell (50) and exposed out of the charging interface.

9. A pet nail grinder as claimed in claim 8, wherein the front end of the casing (50) is further provided with an LED illuminating lamp (512), and the LED illuminating lamp (512) is electrically connected with the control circuit board (41) through a wire.

10. The pet nail polisher according to claim 8, wherein the housing (50) is provided with a gear switch and a smart switch button (514) corresponding to the gear switch circuit and the smart switch (412), respectively.

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