Grinding head of nail grinding device

Abstract

The utility model relates to a grinding head of a nail grinding device, which comprises a grinding head body rotatably arranged on the nail grinding device and an illumination assembly, the grinding head body is arranged on the illumination assembly, a light guide part is arranged between the grinding head body and the illumination assembly, and light emitted by the illumination assembly irradiates along the peripheral side of the grinding head body through the light guide part. The grinding head body is arranged on the lighting assembly, the appearance of the nail grinding device is not affected, when the grinding head body rotates, light emitted by the lighting assembly irradiates towards the peripheral side of the grinding head body along the light guide part, the grinding head does not shield the light emitted by the lighting assembly, and when the grinding head rotates to grind nails, the light emitted by the lighting assembly can well irradiate the nails.

Description

Technical Field

[0001] The utility model relates to the technical field of nail grinders, in particular to a grinding head of a nail grinder. Background Art

[0002] Existing nail grinders cannot adapt well to the night environment during practical use. The lighting structure with a lighting structure is also on the main unit, and is behind the grinding head. The light source will be blocked by the grinding head and cannot shine on the nails well. For example, Chinese patent No. ZL201921536580.0 discloses a pet nail grinder with LED lights, including a shell, a power supply, a control circuit board, a control switch, a drive motor, a grindstone head and an LED lamp. The lighting structure is behind the grinding head and is arranged on the body. The grinding head is large in size and will block the light source emitted by the LED lamp.

[0003] Chinese patent No. ZL202123406314.6 discloses a nail polisher with a lighting lamp, including a polisher handle, a polishing head rotatably connected to the end of the polisher handle, and a power cord arranged at the end of the polisher handle. The lighting mechanism of the polisher is separated from the polishing head and can illuminate the nails well, but it affects the overall appearance of the polisher. Therefore, further improvement is needed. Utility Model Content

[0004] The utility model aims to provide a grinding head for a nail grinder, wherein the grinding head body is arranged on a lighting assembly, which does not affect the appearance of the nail grinder, and when the grinding head body rotates, the light emitted by the lighting assembly is irradiated toward the outer peripheral side of the grinding head body along a light guide portion, and the grinding head does not block the light emitted by the lighting assembly. When the grinding head rotates to grind the nails, the light emitted by the lighting assembly can be well irradiated onto the nails.

[0005] The purpose of the utility model is achieved in this way:

[0006] A nail grinder head includes a grinding head body rotatably arranged on the nail grinder and an illumination assembly, wherein the grinding head body is arranged on the illumination assembly, a light outlet of the illumination assembly is located at the periphery of the grinding head body, and a light guide is arranged between the grinding head body and the illumination assembly, and light emitted by the illumination assembly is irradiated along the outer peripheral side of the grinding head body through the light guide. The grinding head body is arranged on the illumination assembly, which does not affect the appearance of the nail grinder, and when the grinding head body rotates, the light emitted by the illumination assembly is irradiated toward the outer peripheral side of the grinding head body along the light guide, and the grinding head does not block the light emitted by the illumination assembly. When the grinding head rotates to grind nails, the light emitted by the illumination assembly can be well irradiated onto the nails.

[0007] The nail grinder also includes a grinding head rod that is connected to the lighting assembly. When the grinding head rod rotates, the lighting assembly is driven to rotate. The grinding head rod and the lighting assembly rotate synchronously on the nail grinder.

[0008] The lighting assembly includes a light guide seat, which is provided with a mounting cavity. The grinding head body is fixed to the mounting cavity of the light guide seat, so that the grinding head body and the light guide seat are arranged as a whole, which is convenient for fixing the grinding head body on the light guide seat.

[0009] The lighting assembly includes a light guide seat, on which a limit block is provided. The outer peripheral side of the light guide seat extends upward along the limit block to form an enclosure. An installation cavity for installing a grinding head body is formed between the enclosure and the limit block. When the grinding head body is fixed on the installation cavity, the grinding head body is positioned on the limit block, and the enclosure covers a portion of the outer peripheral side of the grinding head body.

[0010] The lighting assembly includes a light guide seat and a lighting circuit board. The light guide seat is provided with a light-transmitting position forming a light guide part. The grinding head body is supported on a limit block of the light guide seat. A plurality of lamp beads are provided on the lighting circuit board. The lamp beads are arranged below the light-transmitting position. The light emitted by the lamp beads passes through the light-transmitting position and irradiates along the outer periphery of the grinding head body.

[0011] A plurality of lamp beads are evenly spaced and arranged on the lighting circuit board in the circumferential direction.

[0012] A vibration switch for controlling the lamp beads to light up or extinguish is also provided on the lighting circuit board. The vibration switch and the lamp beads are electrically connected to the lighting circuit board respectively.

[0013] The nail grinder grinding head also includes a grinding head seat rotatably arranged on the nail grinder, the grinding head seat is provided with an assembly cavity for installing a light guide seat and a light circuit board, the assembly cavity covers the bottom of the light guide seat and the light circuit board, the assembly cavity is provided with a snap portion, the light guide seat is provided with a snap position that cooperates with the snap portion, and the light guide seat is detachably installed on the assembly cavity of the grinding head seat through the cooperation or separation of the snap position and the snap portion, so as to realize the combination of the grinding head body and the light guide seat into a grinding plate assembly that is detachably assembled on the grinding head seat, which is convenient for replacing the grinding plate assembly on the nail grinder at a later time, and the grinding head body is protrudingly arranged on the light guide seat and the outer side of the grinding head seat.

[0014] A positioning boss is provided on the assembly cavity of the grinding head seat, and a positioning inner ring matched with the positioning boss is provided on the lighting circuit board. The lighting circuit board is positioned on the assembly cavity of the grinding head seat through the positioning inner ring and the positioning boss.

[0015] Alternatively, a limiting hole is provided on the lighting circuit board, a limiting column is provided on the assembly cavity, and the limiting hole is limited on the limiting column, so that the lighting circuit board is positioned on the assembly cavity.

[0016] The grinding head of the nail grinder also includes a grinding head rod connected to the grinding head seat. A battery is provided at the connection between the grinding head seat and the grinding head rod. The battery is electrically connected to the lighting circuit board so that the battery supplies power to the lamp beads of the lighting circuit board.

[0017] When the grinding head of the nail grinder is rotating, the vibration switch controls the light bead to light up and emit light; the battery supplies power to the light bead. The grinding head rod and the grinding head seat are detachably connected to facilitate battery replacement.

[0018] A positioning block is provided on the grinding head seat, a limiting column which is limited on the positioning block is provided on the grinding head rod, and the grinding head rod is connected to the grinding head seat through the positioning block and the limiting column.

[0019] The grinding head rod is connected with the lighting assembly, and the grinding head rod is connected with the lighting assembly and rotates synchronously with the lighting assembly.

[0020] The beneficial effects of the utility model are as follows:

[0021] The grinding head body and the lighting assembly are set as a whole, which does not affect the appearance of the nail grinder. Moreover, when the grinding head body rotates, the light emitted by the lighting assembly is irradiated along the light guide part to the outer periphery of the grinding head body, and the grinding head does not block the light emitted by the lighting assembly. When the grinding head rotates to grind the nails, the light emitted by the lighting assembly can be well irradiated on the nails. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The figure is a schematic diagram of the three-dimensional structure of the grinding head of the nail grinder according to one embodiment of the utility model.

[0023] Figure 2 The figure is a schematic diagram of the cross-sectional structure of a nail grinding head according to an embodiment of the utility model.

[0024] Figure 3 This is a schematic diagram of the cross-sectional structure of the grinding head of the nail grinder in another aspect of an embodiment of the utility model.

[0025] Figure 4 The utility model is a schematic diagram of the partial assembly and decomposition structure of the nail grinding head of an embodiment of the present invention.

[0026] Figure 5 This is a schematic diagram of the assembly and decomposition structure of the nail grinding head of an embodiment of the utility model. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] See also Figure 1-Figure 5 A nail grinder head includes a grinding head body 2 rotatably arranged on the nail grinder and a lighting assembly 1, wherein the grinding head body 2 is arranged on the lighting assembly 1, and the light outlet of the lighting assembly 1 is located at the periphery of the grinding head body 2.

[0029] A light guide is provided between the grinding head body 2 and the lighting assembly 1, and the light emitted by the lighting assembly 1 is irradiated along the outer peripheral side of the grinding head body 2 through the light guide.

[0030] The lighting assembly 1 includes a light guide seat 4 , on which a mounting cavity 5 is provided. The grinding head body 2 is fixed to the mounting cavity 5 of the light guide seat 4 , so that the grinding head body 2 and the light guide seat 4 are arranged as a whole.

[0031] The lighting assembly 1 includes a light guide seat 4 and a limit block 6 arranged on the light guide seat 4. The outer peripheral side of the light guide seat 4 is extended upward along the limit block 6 to form a fence 7. A mounting cavity 5 for mounting the grinding head body 2 is formed between the fence 7 and the limit block 6. When the grinding head body 2 is fixed on the mounting cavity 5, the grinding head body 2 is positioned on the limit block 6, and the fence 7 covers a portion of the outer peripheral side of the grinding head body 2.

[0032] In this embodiment, the grinding head body 2 is fixed on the limit block 6 by gluing. Alternatively, the grinding head body 2 and the mounting cavity 5 are interference fit.

[0033] The lighting assembly 1 includes a light guide seat 4 and a lighting circuit board 8. The light guide seat 4 is provided with a light-transmitting position 3 forming a light guiding part. The grinding head body 2 is supported on a limit block 6 of the light guide seat 4. A plurality of lamp beads 9 are provided on the lighting circuit board 8. The lamp beads 9 are arranged below the light-transmitting position 3. The light emitted by the lamp beads 9 is irradiated along the outer peripheral side of the grinding head body 2 through the light-transmitting position 3.

[0034] In this embodiment, the light guide base 4 is made of a transparent material, or the light guide base 4 is provided with a plurality of light-transmitting holes for transmitting light.

[0035] A plurality of lamp beads 9 are evenly spaced and arranged on the lighting circuit board 8 in the circumferential direction.

[0036] A vibration switch 10 for controlling each lamp bead 9 to light up or extinguish is also provided on the lighting circuit board 8 . The vibration switch 10 and the lamp bead 9 are electrically connected to the lighting circuit board 8 respectively.

[0037] The grinding head of the nail grinder also includes a grinding head seat 11 rotatably set on the nail grinder, and the grinding head seat 11 is provided with an assembly cavity 12 for installing the light guide seat 4 and the light circuit board 8, the assembly cavity 12 covers the bottom of the light guide seat 4 and the light circuit board 8, and the assembly cavity 12 is provided with a buckle portion 13, and the light guide seat 4 is provided with a buckle position 20 that cooperates with the buckle portion 13. The light guide seat 4 is detachably installed on the assembly cavity 12 of the grinding head seat 11 through the cooperation or separation of the buckle position 20 and the buckle portion 13, so as to realize the combination of the grinding head body 2 and the light guide seat 4 into a grinding plate assembly that is detachably assembled on the grinding head seat 11, and the grinding head body 2 is protrudingly arranged on the outer sides of the light guide seat 4 and the grinding head seat 11.

[0038] A positioning boss 14 is provided on the assembly cavity 12 of the grinding head seat 11 , and a positioning inner ring 15 cooperating with the positioning boss 14 is provided on the lighting circuit board 8 . The lighting circuit board 8 is positioned on the assembly cavity 12 of the grinding head seat 11 through the positioning inner ring 15 and the positioning boss 14 .

[0039] Alternatively, a limiting hole is provided on the lighting circuit board 8 , and a limiting column is provided on the assembly cavity 12 , and the limiting hole is limited on the limiting column, so that the lighting circuit board 8 is positioned on the assembly cavity 12 .

[0040] The grinding head of the nail grinder also includes a grinding head rod 16 connected to the grinding head seat 11. A battery 17 is provided at the connection between the grinding head seat 11 and the grinding head rod 16. The battery 17 is electrically connected to the lighting circuit board 8 so that the battery 17 supplies power to the lamp beads 9 of the lighting circuit board 8.

[0041] In this embodiment, the lighting circuit board 8 and the battery 17 can be electrically connected via a conductive sheet or a wire harness.

[0042] The grinding head seat 11 is provided with a positioning block 18, and the grinding head rod 16 is provided with a limiting column 19 which is limited on the positioning block 18. The grinding head rod 16 is connected to the grinding head seat 11 through the positioning block 18 and the limiting column 19.

[0043] Alternatively, in this embodiment, the grinding head rod 16 forms a rotation fulcrum of the grinding head seat 11 and the grinding head body 2, and the grinding head rod 16 can be detachably connected to the grinding head seat 11 through a threaded structure.

[0044] The grinding head rod 16 is connected to the lighting assembly 1 , and the grinding head rod 16 is connected to the lighting assembly 1 and rotates synchronously with the lighting assembly 1 .

[0045] The grinding head rod 16 is in driving connection with the driving mechanism of the nail grinding device.

[0046] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A nail grinding head, characterized in that: It comprises a grinding head body (2) rotatably arranged on the nail grinding device, and an illumination assembly (1), wherein the grinding head body (2) is arranged on the illumination assembly (1), and the light output point of the illumination assembly (1) is located at the periphery of the grinding head body (2); The lighting assembly (1) comprises a light guide seat (4), the light guide seat (4) being provided with a mounting cavity (5), and the grinding head body (2) being fixed on the mounting cavity (5) of the light guide seat (4), so that the grinding head body (2) and the light guide seat (4) are arranged as a whole; A light guide portion is provided between the grinding head body (2) and the lighting assembly (1), and light emitted by the lighting assembly (1) is irradiated along the outer peripheral side of the grinding head body (2) through the light guide portion.

2. The nail grinding head according to claim 1, characterized in that: It also includes a grinding head rod (16) which is transmission-connected to the lighting assembly (1); when the grinding head rod (16) rotates, the lighting assembly (1) is driven to rotate; the grinding head rod (16) and the lighting assembly (1) rotate synchronously on the nail grinder.

3. The nail grinding head according to claim 1, characterized in that: A limit block (6) is provided on the light guide seat (4), and the outer peripheral side of the light guide seat (4) is extended upward along the limit block (6) to form a fence (7), and a mounting cavity (5) for mounting the grinding head body (2) is formed between the fence (7) and the limit block (6). When the grinding head body (2) is fixed on the mounting cavity (5), the grinding head body (2) is positioned on the limit block (6), and the fence (7) covers a portion of the outer peripheral side of the grinding head body (2).

4. The nail grinding head according to claim 1, characterized in that: The lighting assembly (1) comprises a lighting circuit board (8), a light guide seat (4) is provided with a light-transmitting position (3) forming a light guide portion, the grinding head body (2) is supported on a limit block (6) of the light guide seat (4), a plurality of lamp beads (9) are provided on the lighting circuit board (8), the lamp beads (9) are arranged below the light-transmitting position (3), and light emitted by the lamp beads (9) is irradiated along the outer peripheral side of the grinding head body (2) through the light-transmitting position (3).

5. The nail grinding head according to claim 4, characterized in that: A plurality of lamp beads (9) are arranged on the lighting circuit board (8) at intervals and evenly distributed in the circumferential direction; the light guide seat (4) is made of a transparent material, or a plurality of light-transmitting holes for transmitting light are provided on the light guide seat (4).

6. The nail grinding head according to claim 4, characterized in that: A vibration switch (10) for controlling the light beads (9) to light or extinguish is also provided on the lighting circuit board (8); the vibration switch (10) and the light beads (9) are electrically connected to the lighting circuit board (8) respectively.

7. The nail grinding head according to claim 1, characterized in that: The invention also comprises a grinding head seat (11) rotatably arranged on the nail grinder, wherein the grinding head seat (11) is provided with an assembly cavity (12) for mounting a light guide seat (4) and a light circuit board (8), the assembly cavity (12) is provided with a buckle portion (13), the light guide seat (4) is provided with a buckle position (20) matched with the buckle portion (13), the light guide seat (4) is detachably mounted on the assembly cavity (12) of the grinding head seat (11) by matching or separating the buckle position (20) and the buckle portion (13), so that the grinding head body (2) and the light guide seat (4) are combined into a grinding plate assembly that is detachably mounted on the grinding head seat (11), and the grinding head body (2) is protrudingly arranged on the outer sides of the light guide seat (4) and the grinding head seat (11).

8. The nail grinding head according to claim 7, characterized in that: A positioning boss (14) is provided on the assembly cavity (12) of the grinding head seat (11), and a positioning inner ring (15) cooperating with the positioning boss (14) is provided on the lighting circuit board (8), and the lighting circuit board (8) is positioned on the assembly cavity (12) of the grinding head seat (11) through the positioning inner ring (15) and the positioning boss (14); or, a limiting hole is provided on the lighting circuit board (8), and a limiting column is provided on the assembly cavity (12), and the limiting hole is limited on the limiting column, so that the lighting circuit board (8) is positioned on the assembly cavity (12).

9. The nail grinding head according to claim 7, characterized in that: The invention also comprises a grinding head rod (16) connected to the grinding head seat (11); a battery (17) is provided at the connection between the grinding head seat (11) and the grinding head rod (16); the battery (17) is electrically connected to the lighting circuit board (8) so that the battery (17) supplies power to the lamp beads (9) of the lighting circuit board (8); a positioning block (18) is provided on the grinding head seat (11); a limiting column (19) is provided on the grinding head rod (16) and is limited on the positioning block (18); the grinding head rod (16) and the grinding head seat (11) are connected via the positioning block (18) and the limiting column (19).

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