Replaceable grinding head structure of nail grinding device
By designing limiting posts, limiting grooves, and snap-fit slots on the armor grinder, the grinding head can be easily replaced, solving the problem of cumbersome grinding head replacement and improving user experience and maintenance convenience.
Patent Information
- Application Number
- CN202423253833.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-28
AI Technical Summary
The existing nail grinders have a cumbersome head replacement process, resulting in a poor user experience, and overall replacement or maintenance is inconvenient.
Design a replaceable grinding head structure for an armor grinder. By providing a limiting post at the lower end of the grinding head, a limiting groove on the drive shaft, and a buckle and slot on the outer shell, the grinding head can be easily replaced.
It enables simple and easy replacement of the grinding head, optimizes the structure, improves the user experience, and facilitates maintenance and cleaning.
Smart Images

Figure CN223845154U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of nail grinder, especially relates to a replaceable grinding head structure of nail grinder. BACKGROUND
[0002] With the times, people's pursuit of products has been unable to simply satisfy its basic functions, but is pursuing higher quality. In the use of nail grinder, every customer must be disinfected after use, or the grinding head is replaced, and the existing technology belongs to the whole nail grinder, which can only be replaced by purchasing a new one, or the replacement needs to be replaced by tools, which is troublesome and the user experience is not good. Therefore, there is an urgent need to design a replaceable grinding head structure of nail grinder to solve one or more of the above problems. INVENTION CONTENTS
[0003] In order to solve one or more problems in the prior art, the utility model provides a replaceable grinding head structure of nail grinder.
[0004] The utility model discloses a replaceable grinding head structure of nail grinder, which is characterized by comprising:
[0005] A machine body and a grinding head mounted on the upper end of the machine body are provided.
[0006] The machine body is provided with a shell, the top end of the shell is provided with a protective shell, and the inner cavity of the protective shell is provided with a grinding head.
[0007] The inner cavity of the shell is provided with a motor shaft sleeve, the upper end of the motor shaft sleeve is provided with a transmission shaft, and the transmission shaft is connected with the grinding head.
[0008] The lower end of the grinding head is provided with a limiting column, and the limiting column is partially or wholly embedded in the transmission shaft.
[0009] Only by means of external force, the protective shell can be taken down, and the grinding head can be easily replaced.
[0010] In some embodiments, the upper end of the motor shaft sleeve is provided with a shaft sleeve groove, which is in the form of a hexagonal groove and is used for accommodating the transmission shaft, and the lower end of the motor shaft sleeve is provided with a motor groove for accommodating the eccentric shaft of the motor.
[0011] In some embodiments, the upper end of the transmission shaft is provided with a limiting groove for connecting the grinding head, and the transmission shaft is designed in the shape of a hexagonal column in order to be connected with the motor shaft sleeve.
[0012] In some embodiments, the lower end of the protective shell is provided with a buckle on the inner side, the upper end of the shell is provided with a clamping groove, and the buckle is clamped tightly with the clamping groove, so that the protective shell is connected to the upper end of the shell.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] The machine body is provided with a shell, the top end of the shell is provided with a protective shell, the inner cavity of the protective shell is provided with a grinding head, the inner cavity of the shell is provided with a motor shaft sleeve, the upper end of the motor shaft sleeve is provided with a transmission shaft, the transmission shaft is connected with the grinding head, the lower end of the grinding head is provided with a limiting column, and the limiting column is partially or wholly embedded in the transmission shaft. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure schematic view of the preferred embodiment of the utility model.
[0016] Figure 2 It is an explosion view of the preferred embodiment of the utility model.
[0017] Figure 3 It is a structure schematic view of the motor shaft sleeve of the preferred embodiment of the utility model.
[0018] Figure 4 It is a structure schematic view of the transmission shaft of the preferred embodiment of the utility model.
[0019] Figure 5 It is an internal structure schematic view of the preferred embodiment of the utility model.
[0020] In the drawing:
[0021] 10, machine body, 20 grinding head, 21 limiting column, 11 shell, 12 protective shell, 121 buckle, 13 motor shaft sleeve, 130 shaft sleeve groove, 131 motor groove, 14 transmission shaft, 110 limiting groove, 140 clamping groove. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, the specific embodiments of the utility model are described in detail below in combination with the drawings. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.
[0023] As shown in the figure, the utility model provides a replaceable grinding head structure of nail grinder, the replaceable grinding head structure of nail grinder includes: Figures 1-5
[0024] The machine body 10, and the grinding head 20 installed on the upper end of the machine body;
[0025] The machine body 10 is provided with a shell 11, the top end of the shell 11 is provided with a protective shell 12, the inner cavity of the protective shell 12 is provided with a grinding head 20;
[0026] The inner cavity of the shell 11 is provided with a motor shaft sleeve 13, the upper end of the motor shaft sleeve 13 is provided with a transmission shaft 14, and the transmission shaft 14 is connected with the grinding head 20;
[0027] The lower end of the grinding head 20 is provided with a limiting column 21, and the limiting column 21 is partially or entirely embedded in the transmission shaft 14;
[0028] Only a little force is needed to take off the protective shell 12, and the grinding head 20 can be easily replaced.
[0029] Specifically, the upper end of the shell 11 is provided with a clamping groove 110, the inner side of the lower end of the protective shell 12 is provided with a buckle 120, and only a little force is needed to take off or install the protective shell 12 from the shell 11. The grinding head 20 is arranged in the inner cavity of the protective shell 12, the lower end of the grinding head 20 is provided with a limiting column 21. The inner cavity of the shell 11 is provided with a motor shaft sleeve 13, the upper end of the motor shaft sleeve 13 is provided with a shaft sleeve groove 130, the shaft sleeve groove 130 is in a hexagonal groove shape and is used for accommodating the transmission shaft 14, the transmission shaft 14 is fixed on the motor shaft sleeve, the lower end of the motor shaft sleeve 13 is provided with a motor groove 131 and is used for accommodating a motor eccentric shaft. The upper end of the transmission shaft 14 is provided with a limiting groove 140 and is used for connecting the grinding head 20, and the transmission shaft is designed in a hexagonal column shape and is connected with the motor shaft sleeve 13. At this time, when the manicure device works, the motor eccentric shaft drives the motor shaft sleeve 13 to move, thereby driving the transmission shaft 14 to move, and because the transmission shaft 14 is connected with the grinding head 20, the grinding head 20 is driven to move, thereby achieving the working of the manicure device.
[0030] Specifically, the upper end of the transmission shaft 14 is provided with a limiting groove 140, the limiting groove 140 is used for accommodating the limiting column 21 provided on the grinding head, and the grinding head is provided with the protective shell 12, so that the grinding head cannot be separated from the transmission shaft.
[0031] When the grinding head needs to be replaced, the protective shell 12 is taken off, and the grinding head can be easily replaced. The top end of the protective shell is penetrated, so that the grinding head can be exposed to contact the nail, thereby achieving the manicure.
[0032] In some embodiments, the upper end of the motor shaft sleeve 13 is provided with a shaft sleeve groove 130, the shaft sleeve groove 130 is in a hexagonal groove shape and is used for accommodating the transmission shaft 14, and the lower end of the motor shaft sleeve 13 is provided with a motor groove 131 and is used for accommodating a motor eccentric shaft.
[0033] Specifically, the shaft sleeve slot 130 is hexagonal, and the transmission shaft 14 is hexagonal, so that the transmission shaft 14 is embedded in the shaft sleeve slot 130 and cannot be separated.
[0034] In some embodiments, the upper end of the transmission shaft 14 is provided with a limiting slot 140 for connecting the grinding head 20, and the transmission shaft is hexagonal, so as to be connected with the motor shaft sleeve 13.
[0035] Specifically, since the transmission shaft 14 is provided with the limiting slot 140 for connecting the grinding head 20, and the grinding head 20 is arranged in the inner cavity of the protective shell 12, and the transmission shaft is hexagonal, the transmission shaft cannot be separated from the motor shaft sleeve, and the grinding head cannot be separated from the transmission shaft 14.
[0036] In some embodiments, the inner side of the lower end of the protective shell 12 is provided with a buckle 120, the upper end of the shell 11 is provided with a clamping groove 110, and the buckle 120 is clamped with the clamping groove 110, so that the protective shell 12 is connected to the upper end of the shell 11.
[0037] Specifically, the inner side of the lower end of the protective shell 12 is provided with a buckle 120, the upper end of the shell 11 is provided with a clamping groove 110, and the buckle 120 is clamped with the clamping groove 110, so that the protective shell 12 is connected to the upper end of the shell 11. At this time, the protective shell 12 can be removed or installed by using a slight external force, so that the grinding head 20 in the inner cavity of the protective shell 12 can be replaced.
[0038] In summary, the replaceable grinding head structure of the nail grinder provided by the utility model comprises a machine body 10 and a grinding head 20 arranged on the upper end of the machine body; the machine body 10 is provided with a shell 11, the top end of the shell 11 is provided with a protective shell 12, and the inner cavity of the protective shell 12 is provided with the grinding head 20; the inner cavity of the shell 11 is provided with a motor shaft sleeve 13, the upper end of the motor shaft sleeve 13 is provided with a transmission shaft 14, and the transmission shaft 14 is connected with the grinding head 20; the lower end of the grinding head 20 is provided with a limiting column 21, and the limiting column 21 is partially or entirely embedded in the transmission shaft 14; the protective shell 12 can be removed by using a slight force, and the grinding head 20 can be easily replaced. The above design optimizes the structure, simplifies the components, realizes that the user can easily replace the grinding head, and is convenient and simple to replace or clean, thereby meeting the user's needs.
[0039] The above-described embodiments only express one or more embodiments of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.
Claims
1. A replaceable grinding head structure of a nail grinder, characterized in that, Include: The fuselage, and the grinding head installed on the upper end of the fuselage; The fuselage is provided with a shell, the top end of the shell is provided with a protective shell, and the inner cavity of the protective shell is provided with a grinding head; The top end of the inner cavity of the shell is provided with a motor shaft sleeve, the upper end of the motor shaft sleeve is provided with a transmission shaft, and the transmission shaft is connected with the grinding head; The lower end of the grinding head is provided with a limiting column, and the limiting column is partially or entirely embedded in the transmission shaft; Only with the help of external force, the protective shell can be taken off, and the grinding head can be easily replaced.
2. The replaceable grinding head structure of the nail grinder according to claim 1, wherein, The upper end of the motor shaft sleeve is provided with a shaft sleeve groove, which is in the form of a hexagonal groove and used for accommodating the transmission shaft, and the lower end of the motor shaft sleeve is provided with a motor groove used for accommodating the eccentric shaft of the motor.
3. The replaceable grinding head structure of the nail grinder according to claim 1, wherein, The upper end of the transmission shaft is provided with a limiting groove used for connecting the grinding head, and the transmission shaft is designed in the form of a hexagonal column in order to be connected with the motor shaft sleeve.
4. The replaceable grinding head structure of the nail grinder according to claim 1, wherein, The inner side of the lower end of the protective shell is provided with a buckle, the upper end of the shell is provided with a clamping groove, the buckle is matched with the clamping groove to be buckled tightly, so that the protective shell is connected to the upper end of the shell.