Axial nail grinding device

Abstract

The utility model relates to an axial nail grinding device which comprises a nail grinding device body and further comprises a driver, fan blades and a nail grinding piece which are arranged in the nail grinding device body. A driving shaft of the driver, the fan blades and the nail grinding piece are coaxially matched with one another, and the axes of the three are overlapped; a driving shaft of the driver and the nail grinding piece are in transmission connection with the fan blades respectively, the driving shaft of the driver synchronously drives the fan blades and the nail grinding piece to move, and grinding dust generated in the nail grinding work process of the nail grinding piece is stored in the nail grinding device body under the suction action of the fan blades; a coarse grinding part and a fine grinding part which are adjacent to each other are arranged on the nail grinding piece. The nail grinding part is provided with the coarse grinding part and the fine grinding part which are arranged adjacently, grinding head structures with different roughness at the two ends of the nail grinding device are omitted, the coarse grinding part and the fine grinding part are driven to rotate at the same time through the same driver (motor), cost is effectively saved, and the motor installation space is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of nail grinding, in particular to an axial nail grinding device. Background Art

[0002] Existing nail grinders have staggered fine grinding and coarse grinding stations, with the fine grinding station located at one end and the coarse grinding station located at the other. This significantly occupies the installation space of the nail grinder and results in a relatively large length of the nail grinder. For example, the nail grinder disclosed in Chinese Patent No. ZL202123317311.5 has a coarse nail grinding assembly and a fine nail grinding assembly disposed within the housing and top cover. The coarse nail grinding assembly and the coarse nail grinding assembly are disposed opposite each other. The fine nail grinding assembly includes a fine grinding head and a first motor, the output shaft of the first motor being connected to the coarse grinding head. The fine nail grinding assembly includes a fine grinding head and a second motor, the output shaft of the second motor being connected to the fine grinding head. The two motors drive the coarse grinding head and the fine grinding head to rotate independently, respectively. The two motors are relatively expensive and occupy a large installation space. Utility Model Content

[0003] The purpose of the utility model is to provide an axial nail grinder, on which a coarse grinding part and a fine grinding part are arranged adjacent to each other, eliminating the grinding head structure with different roughness at both ends of the nail grinder, and the coarse grinding part and the fine grinding part are driven to rotate simultaneously by the same driver (motor), effectively saving costs and saving motor installation space.

[0004] The purpose of this utility model is achieved in this way:

[0005] An axial nail grinder comprises a nail grinder body, a driver, a fan blade and a nail grinder arranged in the nail grinder body;

[0006] The drive shaft, fan blades and nail grinding member of the driver are coaxially matched with each other, and the axes of the three coincide;

[0007] The drive shaft of the driver and the nail grinding member are respectively connected to the fan blades, and the drive shaft of the driver synchronously drives the fan blades and the nail grinding member to move, and the grinding debris generated during the nail grinding operation of the nail grinding member is sucked by the fan blades and stored in the nail grinding device body;

[0008] The nail grinding piece is provided with a coarse grinding portion and a fine grinding portion which are arranged adjacent to each other.

[0009] The coarse grinding part and the fine grinding part are arranged up and down on the nail grinding piece.

[0010] The coarse grinding part and the fine grinding part are arranged as a whole, and the coarse grinding part and the fine grinding part are arranged together on the same nail grinding part; by processing different roughness on the same nail grinding part, the upper part of the nail grinding part is the coarse grinding part and the lower part of the nail grinding part is the fine grinding part.

[0011] Alternatively, the coarse grinding part and the fine grinding part are separately provided, and the coarse grinding part and the fine grinding part are respectively provided on different nail grinding parts.

[0012] The nail grinder body is provided with a coarse grinding slot and a fine grinding slot, which are arranged in an upper and lower arrangement on the nail grinder body. The coarse grinding slot is corresponding to the coarse grinding part, and the fine grinding slot is corresponding to the fine grinding part.

[0013] The nail grinder body is provided with a first nail grinding station and a second nail grinding station corresponding to the nail grinding piece. The first nail grinding station is arranged on one side of the nail grinder body, and the second nail grinding station is arranged on the other side of the nail grinder body.

[0014] The nail grinder body is provided with a shield for covering and protecting the nail grinder, and the shield is provided with a positioning and matching portion for positioning on the inner side of the nail grinder body;

[0015] There are two positioning matching parts, which are arranged on the outer side of the shield at intervals on the left and right sides;

[0016] The guard shield protects the driver and is positioned left and right in the main body of the nail grinder through two positioning matching parts to prevent the driver from swinging left and right in the main body of the nail grinder during operation.

[0017] A transmission shaft is provided on one end of the fan blade, and a connecting shaft is provided on the other end of the fan blade. The nail grinding piece is sleeved on the outside of the transmission shaft, and the driving shaft of the driver is in transmission connection with the connecting shaft.

[0018] A positioning column with a bearing sleeve is provided on the transmission shaft of the fan blade, and a support platform is provided on the fan blade. One end of the nail grinding piece is supported on the support platform, and the other end of the nail grinding piece is limited at the end of the bearing. The bearing is limited inside the main body of the nail grinding device so that the nail grinding piece is limited up and down between the support platform of the fan blade and the bearing, preventing the nail grinding piece from moving up and down in the main body of the nail grinding device when it rotates.

[0019] The nail grinding device body includes a bottom cover, which is provided with a cavity for collecting grinding debris, the nail grinding piece is located above the cavity, and the fan blade is located between the nail grinding piece and the cavity;

[0020] The fan blades blow air downwards toward the lower cavity, forming a negative pressure above the nail grinding member, and grinding chips generated during the nail grinding process of the nail grinding member follow the air flow into the cavity.

[0021] The bottom cover is detachably mounted on the main body of the nail grinder. The main body of the nail grinder is provided with an air inlet, the bottom cover is provided with an air outlet slit, and the main body of the nail grinder is provided with an internal air duct connecting the air inlet and the air outlet slit.

[0022] When the fan blades blow air downward toward the lower cavity, the airflow enters the cavity of the bottom cover through the air inlet end and the inner air duct, and the airflow entering the cavity is discharged through the air outlet gap;

[0023] The nail grinding device body is provided with a nail grinding groove corresponding to the nail grinding portion of the nail grinding piece, and the nail grinding groove forms an air inlet end connected to the outside air.

[0024] The nail grinder body is provided with a bracket, which is detachably connected to the bottom cover, and the bracket is provided with a blanking port communicating with the cavity of the bottom cover;

[0025] The bracket is provided with an electrical cavity, and the electrical cavity is provided with a power supply module electrically connected to the driver;

[0026] The electrical cavity is provided with a cover, which is detachably mounted on the electrical cavity to switch the opening and closing states of the electrical cavity. When the electrical cavity is in the open state, the power supply module is detachably mounted on the electrical cavity.

[0027] A cover plate for limiting the installation of a switch and a cover body is provided at the opening of the electrical cavity of the bracket;

[0028] The switch is electrically connected to the power supply module, and the cover plate is provided with a touch switch avoidance groove corresponding to the switch;

[0029] The cover plate is provided with a mounting groove cavity corresponding to the cover body, and the mounting groove cavity is provided with a connected rotation groove and a positioning groove, and the cover body is provided with a rotary buckle. When the cover body is installed in the mounting groove cavity of the cover plate, the rotary buckle is embedded in the positioning groove, and the cover body drives the rotary buckle to rotate in the rotation groove. The cover body is rotated until the rotary buckle and the positioning groove are offset, and the cover body is locked on the cover plate; when the cover body is disassembled and separated from the mounting groove cavity of the cover plate, the cover body is rotated until the rotary buckle is aligned with the positioning groove, and the cover body is separated from the cover plate;

[0030] The nail grinding device body includes a first shell and a second shell, and a receiving cavity for accommodating and installing a driver, fan blades, a nail grinding piece and a bracket is formed between the first shell and the second shell.

[0031] The beneficial effects of the utility model are as follows:

[0032] The nail grinder is provided with a coarse grinding part and a fine grinding part arranged adjacent to each other, eliminating the grinding head structure with different roughness at both ends of the nail grinder. The coarse grinding part and the fine grinding part are driven to rotate simultaneously by the same driver (motor), effectively saving costs and saving motor installation space.

[0033] The fan blades blow air toward the cavity of the bottom cover below, forming a negative pressure above the nail grinding component. The grinding chips generated during the nail grinding process fall into the cavity of the bottom cover below under the action of adsorption, and the gas is discharged from the air outlet gap of the bottom cover. The air outlet gap effectively prevents the grinding chips from being discharged into the outside air along with the air flow.

[0034] The electrical cavity is in an open state, and the power supply module is detachably mounted on the electrical cavity. The power supply module includes a battery, so that the battery can be replaced on the electrical cavity, and the nail grinder does not need to be connected to a power cord to power the driver. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic diagram of the three-dimensional structure of a nail grinder according to one embodiment of the present invention.

[0036] Figure 2 This is a schematic diagram of the three-dimensional structure of the nail grinder in another orientation according to one embodiment of the present invention.

[0037] Figure 3 This is a schematic diagram of the three-dimensional cross-sectional structure of a nail grinder according to one embodiment of the present invention.

[0038] Figure 4 This is a schematic diagram of the assembly and decomposition structure of the bearing, fan blades and nail grinding parts in one embodiment of the present invention.

[0039] Figure 5 This is a schematic diagram of the exploded structure of the nail grinder main body assembly according to one embodiment of the present invention. DETAILED DESCRIPTION

[0040] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0041] See also Figure 1-Figure 5 An axial nail grinder comprises a nail grinder body 1, a driver 2, a fan blade 3 and a nail grinder 4 arranged in the nail grinder body 1;

[0042] The drive shaft of the driver 2, the fan blades 3 and the nail grinding member 4 are coaxially matched with each other, and the axes of the three coincide with each other;

[0043] The drive shaft of the driver 2 and the nail grinding member 4 are respectively connected to the fan blades 3. The drive shaft of the driver 2 synchronously drives the fan blades 3 and the nail grinding member 4 to move, and the grinding debris generated by the nail grinding member 4 during the nail grinding operation is sucked by the fan blades 3 and stored in the nail grinding device body 1.

[0044] The nail grinding member 4 is provided with a coarse grinding portion 5 and a fine grinding portion 6 which are adjacently arranged.

[0045] The coarse grinding part 5 and the fine grinding part 6 are arranged on the nail grinding member 4 in an upper and lower arrangement.

[0046] The coarse grinding part 5 and the fine grinding part 6 are arranged as a whole, and the coarse grinding part 5 and the fine grinding part 6 are arranged together on the same nail grinding part 4;

[0047] Alternatively, the coarse grinding portion 5 and the fine grinding portion 6 are separately provided, and the coarse grinding portion 5 and the fine grinding portion 6 are respectively provided on different nail grinding components 4 .

[0048] The nail grinder body 1 is provided with a coarse grinding slot 7 and a fine grinding slot 8, which are arranged in an upper and lower arrangement on the nail grinder body 1, the coarse grinding slot 7 is corresponding to the coarse grinding part 5, and the fine grinding slot 8 is corresponding to the fine grinding part 6.

[0049] The nail grinder body 1 is provided with a first nail grinding station 18 and a second nail grinding station 19 corresponding to the nail grinding part 4 . The first nail grinding station 18 is provided on one side of the nail grinder body 1 , and the second nail grinding station 19 is provided on the other side of the nail grinder body 1 .

[0050] The nail grinder body 1 is provided with a protective cover 20 for covering and protecting the nail grinder 4. The protective cover 20 is provided with a positioning and matching portion 21 for positioning on the inner side of the nail grinder body 1.

[0051] There are two positioning matching parts 21, and the two positioning matching parts 21 are arranged on the outer side of the shield 20 at intervals on the left and right;

[0052] A transmission shaft 22 is provided on one end of the fan blade 3, and a connecting shaft 23 is provided on the other end of the fan blade 3. The nail grinding member 4 is sleeved on the outside of the transmission shaft 22, and the driving shaft of the driver 2 is transmission-connected to the connecting shaft 23.

[0053] A positioning column 25 with a bearing 24 is provided on the transmission shaft 22 of the fan blade 3, and a support platform 26 is provided on the fan blade 3. One end of the nail grinding member 4 is supported on the support platform 26, and the other end of the nail grinding member 4 is limited at the end of the bearing 24. The bearing 24 is limited inside the nail grinding device body 1 so that the nail grinding member 4 is limited up and down between the support platform 26 of the fan blade 3 and the bearing 24.

[0054] The nail grinding device body 1 includes a bottom cover 9, which is provided with a cavity 10 for collecting grinding debris. The nail grinding member 4 is located above the cavity 10, and the fan blade 3 is located between the nail grinding member 4 and the cavity 10.

[0055] The fan blades 3 blow air downward toward the lower cavity 10 , forming a negative pressure above the nail grinding member 4 , and grinding chips generated during the nail grinding operation of the nail grinding member 4 follow the air flow into the cavity 10 .

[0056] The bottom cover 9 is detachably mounted on the nail grinder body 1. The nail grinder body 1 is provided with an air inlet, and the bottom cover 9 is provided with an air outlet slit 11. The nail grinder body 1 is provided with an internal air duct 12 connecting the air inlet and the air outlet slit 11.

[0057] When the fan blades 3 blow air downward toward the lower cavity 10, the airflow enters the cavity 10 of the bottom cover 9 through the air inlet end and the inner air duct 12, and the airflow entering the cavity 10 is discharged through the air outlet slit 11;

[0058] The nail grinding device body 1 is provided with a nail grinding groove corresponding to the nail grinding portion of the nail grinding member 4, and the nail grinding groove forms an air inlet end connected to the outside air.

[0059] The nail grinding device body 1 is provided with a bracket 13, which is detachably connected to the bottom cover 9, and the bracket 13 is provided with a blanking port 14 communicating with the cavity 10 of the bottom cover 9;

[0060] The bracket 13 is provided with an electrical cavity 15 , and the electrical cavity 15 is provided with a power supply module 16 electrically connected to the driver 2 ;

[0061] The electrical cavity 15 is provided with a cover 17 , which is detachably mounted on the electrical cavity 15 to switch the electrical cavity 15 between an open and a closed state. When the electrical cavity 15 is in an open state, the power supply module 16 is detachably mounted on the electrical cavity 15 .

[0062] The opening of the electrical cavity 15 of the bracket 13 is provided with a cover plate 28 for limiting the installation of the switch 27 and the cover body 17;

[0063] The switch 27 is electrically connected to the power supply module 16 , and the cover plate 28 is provided with a touch switch avoidance groove 29 corresponding to the switch 27 ;

[0064] The cover plate 28 is provided with a mounting groove 30 corresponding to the cover body 17. The mounting groove 30 is provided with a rotating groove 31 and a positioning groove 32 that are connected to each other. The cover body 17 is provided with a rotary buckle 33. When the cover body 17 is installed in the mounting groove 30 of the cover plate 28, the rotary buckle 33 is embedded in the positioning groove 32. The cover body 17 drives the rotary buckle 33 to rotate in the rotating groove 31. The cover body 17 is rotated until the rotary buckle 33 and the positioning groove 32 are offset, and the cover body 17 is locked on the cover plate 28. When the cover body 17 is removed from the mounting groove 30 of the cover plate 28, the cover body 17 is rotated until the rotary buckle 33 is aligned with the positioning groove 32, and the cover body 17 is separated from the cover plate 28.

[0065] The nail grinding device body 1 includes a first shell 34 and a second shell 35 , and a receiving cavity 36 for accommodating and installing the driver 2 , the fan blades 3 , the nail grinding member 4 and the bracket 13 is formed between the first shell 34 and the second shell 35 .

[0066] In this embodiment, the first shell 34 and the second shell 35 are detachably connected via buckles and snap-fit ​​holes.

[0067] In this embodiment, the cover plate 28 is detachably mounted on the electrical cavity 15 of the bracket 13 by screws.

[0068] In this embodiment, a limiting installation groove for installing the limiting bearing 24 is provided between the first housing 34 and the second housing 35 .

[0069] In this embodiment, the driver 2 is a motor, and the motor shaft of the motor passes through the shield 20 and is connected to the fan blades 3 .

[0070] In this embodiment, the cover 17 is unlocked or locked with the cover plate 28 by rotation, which is easy to operate. The cover 17 can be opened and closed on the cover plate 28 of the electrical cavity 15 by rotation.

[0071] In this embodiment, the positioning and fitting portion 21 is extended laterally toward the outside of the protective cover 20 , and a positioning and mounting groove for positioning the positioning and fitting portion 21 is provided in the nail grinder body 1 .

[0072] The above is a preferred embodiment of the present invention, which illustrates and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An axial nail grinder, comprising a nail grinder body (1), characterized in that: It also includes a driver (2), a fan blade (3) and a nail grinding member (4) arranged in the nail grinding device body (1); The drive shaft of the driver (2), the fan blades (3) and the nail grinding member (4) are coaxially matched with each other, and the axes of the three coincide with each other; The drive shaft of the driver (2) and the nail grinding member (4) are respectively connected to the fan blades (3) by transmission, and the drive shaft of the driver (2) synchronously drives the fan blades (3) and the nail grinding member (4) to move, and the grinding debris generated during the nail grinding operation of the nail grinding member (4) is stored in the nail grinding device body (1) under the suction action of the fan blades (3); The nail grinding member (4) is provided with a coarse grinding portion (5) and a fine grinding portion (6), and the coarse grinding portion (5) and the fine grinding portion (6) are arranged adjacent to each other.

2. The axial nail grinder according to claim 1, characterized in that: The coarse grinding portion (5) and the fine grinding portion (6) are arranged in an upper and lower arrangement on the nail grinding member (4).

3. The axial nail grinder according to claim 1, characterized in that: The coarse grinding part (5) and the fine grinding part (6) are arranged as a whole, and the coarse grinding part (5) and the fine grinding part (6) are arranged together on the same nail grinding part (4); Alternatively, the coarse grinding portion (5) and the fine grinding portion (6) are provided separately, and the coarse grinding portion (5) and the fine grinding portion (6) are respectively provided on different nail grinding parts (4).

4. The axial nail grinder according to claim 1, characterized in that: The nail grinder body (1) is provided with a coarse grinding notch (7) and a fine grinding notch (8), the coarse grinding notch (7) and the fine grinding notch (8) being arranged in an upper and lower arrangement on the nail grinder body (1), the coarse grinding notch (7) being arranged correspondingly to the coarse grinding portion (5), and the fine grinding notch (8) being arranged correspondingly to the fine grinding portion (6).

5. The axial nail grinder according to claim 1, characterized in that: The nail grinding device body (1) is provided with a first nail grinding station (18) and a second nail grinding station (19) corresponding to the nail grinding piece (4); the first nail grinding station (18) is provided on one side of the nail grinding device body (1), and the second nail grinding station (19) is provided on the other side of the nail grinding device body (1).

6. The axial nail grinder according to claim 1, characterized in that: A protective cover (20) for covering and protecting the nail grinding member (4) is provided in the nail grinding device body (1); the protective cover (20) is provided with a positioning matching portion (21) for positioning on the inner side of the nail grinding device body (1); There are two positioning matching parts (21), and the two positioning matching parts (21) are arranged on the outside of the shield (20) at intervals on the left and right sides; A transmission shaft (22) is provided on one end of the fan blade (3), and a connecting shaft (23) is provided on the other end of the fan blade (3); the nail grinding member (4) is sleeved on the outside of the transmission shaft (22), and the driving shaft of the driver (2) is transmission-connected to the connecting shaft (23); A positioning column (25) sleeved with a bearing (24) is provided on the transmission shaft (22) of the fan blade (3), a support platform (26) is provided on the fan blade (3), one end of the nail grinding member (4) is supported on the support platform (26), and the other end of the nail grinding member (4) is limited at the end of the bearing (24), and the bearing (24) is limited inside the nail grinding device body (1), so that the nail grinding member (4) is limited between the support platform (26) of the fan blade (3) and the bearing (24) in upper and lower positions.

7. The axial nail grinder according to claim 1, characterized in that: The nail grinding device body (1) comprises a bottom cover (9), the bottom cover (9) is provided with a cavity (10) for collecting grinding debris, the nail grinding member (4) is located above the cavity (10), and the fan blade (3) is located between the nail grinding member (4) and the cavity (10); The fan blades (3) blow air downwards towards the lower cavity (10), forming a negative pressure above the nail grinding member (4), and grinding chips generated during the nail grinding operation of the nail grinding member (4) follow the airflow into the cavity (10).

8. The axial nail grinder according to claim 7, characterized in that: The bottom cover (9) is detachably mounted on the nail grinder body (1); the nail grinder body (1) is provided with an air inlet end, the bottom cover (9) is provided with an air outlet gap (11), and the nail grinder body (1) is provided with an internal air duct (12) communicating with the air inlet end and the air outlet gap (11); When the fan blades (3) blow air downward toward the lower cavity (10), the airflow enters the cavity (10) of the bottom cover (9) through the air inlet end and the inner air duct (12), and the airflow entering the cavity (10) is discharged through the air outlet slit (11); The nail grinding device body (1) is provided with a nail grinding groove corresponding to the nail grinding portion of the nail grinding piece (4), and the nail grinding groove forms an air inlet end connected to the outside air.

9. The axial nail grinder according to claim 7, characterized in that: The nail grinding device body (1) is provided with a bracket (13), the bracket (13) is detachably connected to the bottom cover (9), and the bracket (13) is provided with a blanking port (14) communicating with the cavity (10) of the bottom cover (9); The bracket (13) is provided with an electrical cavity (15), and the electrical cavity (15) is provided with a power supply module (16) electrically connected to the driver (2); The electrical cavity (15) is provided with a cover (17), and the cover (17) is detachably mounted on the electrical cavity (15) to switch the opening and closing states of the electrical cavity (15). When the electrical cavity (15) is in the open state, the power supply module (16) is detachably mounted on the electrical cavity (15).

10. The axial nail grinder according to claim 9, characterized in that: A cover plate (28) for limiting the installation of a switch (27) and a cover body (17) is provided at the opening of the electrical cavity (15) of the bracket (13); The switch (27) is electrically connected to the power supply module (16), and the cover plate (28) is provided with a touch switch avoidance groove (29) corresponding to the switch (27); The cover plate (28) is provided with a mounting groove cavity (30) corresponding to the cover body (17), and the mounting groove cavity (30) is provided with a connected rotation groove (31) and a positioning groove (32), and the cover body (17) is provided with a rotary buckle (33). When the cover body (17) is installed in the mounting groove cavity (30) of the cover plate (28), the rotary buckle (33) is embedded in the positioning groove (32), and the cover body (17) drives the rotary buckle (33) to rotate in the rotation groove (31). The cover body (17) rotates until the rotary buckle (33) and the positioning groove (32) are offset, and the cover body (17) is locked on the cover plate (28); when the cover body (17) is disassembled and separated from the mounting groove cavity (30) of the cover plate (28), the cover body (17) rotates until the rotary buckle (33) and the positioning groove (32) are aligned, and the cover body (17) is separated from the cover plate (28); The nail grinding device body (1) comprises a first shell (34) and a second shell (35), and a receiving cavity (36) for accommodating and installing the driver (2), the fan blade (3), the nail grinding member (4) and the bracket (13) is formed between the first shell (34) and the second shell (35).

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