CN210498595U

CN210498595U - Electric file

Info

Publication number: CN210498595U
Application number: CN201921294926.0U
Authority: CN
Inventors: 秦春华
Original assignee: Foshan Xiaomi Innovation Technology Co Ltd
Current assignee: Foshan Xiaomi Innovation Technology Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-05-12
Anticipated expiration: 2029-08-09

Abstract

An electric file comprises a bracket and a grinding tool, wherein a driving motor and a sliding part are arranged on the bracket; the driving motor is fixedly arranged on the bracket, a spiral driving part is rotatably arranged on the power output end of the driving motor, and a driving matching part is arranged on the sliding part and is in driving connection with the spiral driving part through the driving matching part; the driving motor drives the sliding piece to slide on the bracket in a reciprocating manner through the matching of the spiral driving part and the driving matching part; the grinding tool is arranged on the sliding piece and slides on the bracket in a reciprocating manner along with the sliding piece. The utility model discloses an improvement of above-mentioned structure utilizes unsmooth complex transmission form, simplifies the overall structure of electronic file effectively, reduction in production cost, and transmission efficiency is higher simultaneously, and is energy-concerving and environment-protective, connects compactly between each component of electronic file moreover, and whole small, the user of being convenient for hand-carry.

Description

Electric file

Technical Field

The utility model relates to an electric file.

Background

An electric file is a polishing tool commonly used in daily life of people, and for example, the electric file is commonly used in the field of metal processing to finish small errors of metal workpieces or polish rough edges of products to improve the smoothness of the products and the like. In recent years, with the increasing use range of electric files, people can apply the electric files to daily life, such as polishing nails.

For example, chinese patent document No. CN2899560Y discloses an electric toenail file device in 2007, 5.16.16, which comprises a working part and a handle, wherein the working part comprises a motor and a speed change mechanism connected with the motor and composed of a driving wheel and a driven wheel, the driven wheel is provided with a connecting rod, the connecting rod is hinged with a sliding block, the sliding block is sleeved on a sliding shaft fixed by a support, and the lower part of the sliding block is provided with a toenail file. The electronic toenail rasper of this structure adopts gear rotation form drive toenail file, because gear rotation structure is complicated, and manufacturing cost is high, and the probability of breaking down simultaneously is high, and life is short, can't satisfy user's user demand. Therefore, further improvements are necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure is reasonable, the performance is excellent, easy dismounting, low in manufacturing cost, easy production, easy realization, long service life, each component are connected compactly, small and safe and reliable's electric file to overcome the weak point among the prior art.

According to the electronic file of this purpose design, including support and grinding apparatus, its characterized in that: the bracket is provided with a driving motor and a sliding part; the driving motor is fixedly arranged on the bracket, the power output end of the driving motor is rotatably provided with a spiral driving part, and the sliding part is provided with a driving matching part and is in driving connection with the spiral driving part through the driving matching part; the driving motor drives the sliding piece to slide on the bracket in a reciprocating manner through the matching of the spiral driving part and the driving matching part; the grinding tool is arranged on the sliding piece and slides on the bracket in a reciprocating manner along with the sliding piece.

The spiral driving part is arranged in a convex mode, and the driving matching part is arranged in a concave mode; or the spiral driving part is arranged in a concave mode, and the driving matching part is arranged in a convex mode.

The bracket comprises a first shell and a second shell, the first shell and the second shell are fixedly connected with each other, and a cavity is formed between the first shell and the second shell; the driving motor is fixedly arranged in the cavity, a rotating part is arranged on the power output end of the driving motor in a rotating mode, and the spiral driving part is arranged on the periphery of the rotating part in a protruding mode.

One end of the sliding part extends into the cavity and is provided with a drive matching part in a concave mode and is in drive connection with the spiral drive part of the rotating part through the drive matching part, and the other end of the sliding part extends out of the cavity and is in detachable fit connection with the grinding tool through a buckle, a fastener or a sticker.

And the first shell and/or the second shell are/is also provided with a power supply element which is a rechargeable battery or a non-rechargeable battery, is electrically connected with the driving motor and supplies working power for the driving motor.

And a metal elastic sheet is arranged in the cavity, and the power supply element is electrically connected with or separated from the driving motor through the metal elastic sheet.

The first shell and/or the second shell are/is provided with a switch piece, the switch piece is arranged on the first shell and/or the second shell in a sliding mode and drives the power supply element and the metal elastic sheet or the power supply element and the driving motor or the metal elastic sheet and the driving motor to be electrically connected or separated when the switch piece slides.

The driving motor is provided with a first connecting terminal and a second connecting terminal; one end of the power supply element is electrically connected with the first connecting terminal, the other end of the power supply element is electrically connected with one end of the metal elastic sheet, and the switch piece is arranged on the first shell and/or the second shell in a sliding mode and acts on and drives the other end of the metal elastic sheet to be electrically connected with or separated from the second connecting terminal when sliding, so that the power supply of the driving motor is controlled to be switched on or switched off.

Through the improvement of the structure, the utility model is provided with the convex spiral driving part on the power output end of the driving motor in a rotating way, and is provided with the concave driving matching part on the sliding part, the driving motor obtains the working electricity through the power supply element and converts the rotating motion into the reciprocating motion along the axial direction by utilizing the matching of the spiral driving part and the driving matching part when working, so as to realize that the grinding tool on the sliding part slides on the bracket in a reciprocating way; compared with the prior art, the defects caused by gear transmission are effectively avoided, so that the overall structure of the electric file is simplified, the production cost is reduced, meanwhile, the concave-convex matched transmission efficiency is higher, the electric file can use less electric quantity to realize longer service time, and the purposes of energy conservation and environmental protection are achieved; and, driving motor's first connecting terminal and the direct electric connection of power supply unit one end, metal shrapnel one end and the direct electric connection of power supply unit other end, the metal shrapnel other end is then through the slip of switch spare and driving motor's second connecting terminal electric connection or separation, with control driving motor's power supply switch-on or disconnection, when guaranteeing electric file stability in use, further simplify electric file overall structure, can also make the connection between each component compacter, thereby reduce electric file's whole volume, user's of being convenient for hand-carry.

In summary, the novel combined type automobile seat has the characteristics of simple and reasonable structure, excellent performance, convenience in disassembly and assembly, low manufacturing cost, easiness in production, realization, long service life, compact connection among components, small volume, safety, reliability and the like, and is high in practicability.

Drawings

Fig. 1 is an exploded schematic view of a first embodiment of the present invention.

Fig. 2 is a schematic view of an assembly structure according to a first embodiment of the present invention.

Fig. 3 is a schematic view of an internal assembly structure according to a first embodiment of the present invention.

Fig. 4 is a schematic sectional view of the assembly structure of the first embodiment of the present invention (with the bracket omitted).

Fig. 5 and 6 are schematic diagrams illustrating the reciprocal sliding of the grinding tool according to the first embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 6, the electric file comprises a bracket and a grinding tool 1, wherein a driving motor 2 and a sliding part 3 are arranged on the bracket; the driving motor 2 is fixedly arranged on the bracket, a spiral driving part 4 is rotatably arranged on the power output end of the driving motor, and the sliding part 3 is provided with a driving matching part 5 and is in driving connection with the spiral driving part 4 through the driving matching part 5; the driving motor 2 drives the sliding piece 3 to slide on the bracket in a reciprocating manner through the matching of the spiral driving part 4 and the driving matching part 5; the grinding tool 1 is arranged on the sliding part 3 and slides on the bracket in a reciprocating manner along with the sliding part 3.

The spiral driving part 4 is arranged in a convex mode, and the driving matching part 5 is arranged in a concave mode; alternatively, the screw driving part 4 is provided in a concave manner, and the driving engagement part 5 is provided in a convex manner.

As shown in fig. 5 and 6, in the embodiment, the concave-convex matching transmission form is used to replace the gear transmission form in the prior art, so that the overall structure of the electric file can be effectively simplified, and the production cost can be reduced.

As shown in fig. 1, the bracket includes a first housing 6 and a second housing 7, the first housing 6 and the second housing 7 are fixedly connected with each other, and a cavity is formed between the two; the driving motor 2 is fixedly arranged in the cavity, a rotating part 8 is arranged at the power output end of the driving motor in a rotating mode, and the spiral driving part 4 is arranged on the periphery of the rotating part 8 in a protruding mode.

Wherein, can be through buckle, or fastener, or paste mutual fixed connection between first shell 6 and the second shell 7, the preferred form that utilizes the buckle between the two of this embodiment, when can reduce manufacturing cost, still be convenient for the dismouting of the two and use.

One end of the sliding part 3 extends into the cavity and is provided with a drive matching part 5 in a sunken mode, the drive matching part 5 is in drive connection with a spiral drive part 4 of the rotating part 8, and the other end of the sliding part 3 extends out of the cavity and is connected with the grinding tool 1 in a detachable and combined mode through a buckle, a fastener or a sticker.

The slider 3 of the present embodiment is provided with a latch portion 9, and detachably and mutually latched with the grindstone 1 through the latch portion 9.

The concave-convex transmission energy of the embodiment can convert the rotary motion into the reciprocating motion along the axial direction, the efficiency is higher, and the electric file can use less electric quantity to realize longer service time, so that the purposes of energy conservation and environmental protection are achieved.

The first casing 6 and/or the second casing 7 are further provided with a power supply element 10, and the power supply element 10 is a rechargeable battery or a non-rechargeable battery, is electrically connected with the driving motor 2, and supplies power for the driving motor 2.

When the power supply element 10 is a rechargeable battery, the power supply element 10 can be fixedly arranged in a cavity formed by the first shell 6 and the second shell 7. When the power feeding element 10 is a non-rechargeable battery, the power feeding element 10 can be detachably attached to a cavity formed by the first case 6 and the second case 7.

A metal spring plate 11 is arranged in the cavity, and the power supply element 10 is electrically connected with or separated from the driving motor 2 through the metal spring plate 11.

The first shell 6 and/or the second shell 7 are provided with a switch 12, the switch 12 is slidably disposed on the first shell 6 and/or the second shell 7, and drives the power supply element 10 and the metal elastic sheet 11, or the power supply element 10 and the driving motor 2, or the metal elastic sheet 11 and the driving motor 2 to be electrically connected or separated when sliding.

The driving motor 2 is provided with a first connecting terminal 13 and a second connecting terminal 14; one end of the power supply element 10 is electrically connected with the first connection terminal 13, the other end is electrically connected with one end of the metal elastic sheet 11, and the switch piece 12 is slidably arranged on the first shell 6 and/or the second shell 7 and acts to drive the other end of the metal elastic sheet 11 to be electrically connected with or separated from the second connection terminal 14 during sliding so as to control the power supply of the driving motor 2 to be switched on or switched off.

As shown in fig. 3, the switch 12 slides to the right and the driving metal dome 11 is separated from the second connection terminal 14, the power supply element 10 cannot provide power for the driving motor 2, i.e. the power supply of the driving motor 2 is cut off, and the electric file does not work.

Referring to fig. 4, the switch 12 slides to the left, and the driving metal dome 11 is electrically connected to the second connection terminal 14, so that the power supply element 10 provides power for the driving motor 2, that is, the power supply of the driving motor 2 is turned on, and the electric file starts to operate.

The direct connection among the driving motor 2, the power supply element 10 and the metal elastic sheet 11 can further simplify the overall structure of the electric file, and can also make the connection among the components more compact, thereby reducing the overall volume of the electric file and facilitating the carrying about of a user.

The drawings are for illustrative purposes only and are presented in the form of illustrations only, not illustrations as physical or logical, and should not be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Moreover, like or similar reference numerals in the drawings of the embodiments of the present invention correspond to like or similar parts; in the description of the present invention, it should be understood that, if there are any terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "longitudinal", "top", "bottom", "inner", "outer", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is for convenience and simplicity, and it is not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limiting the present patent.

Claims

1. An electric file, which comprises a bracket and a grinding tool (1), and is characterized in that: the bracket is provided with a driving motor (2) and a sliding part (3); the driving motor (2) is fixedly arranged on the support, a spiral driving part (4) is rotatably arranged on the power output end of the driving motor, and a driving matching part (5) is arranged on the sliding part (3) and is in driving connection with the spiral driving part (4) through the driving matching part (5); the driving motor (2) drives the sliding piece (3) to slide on the bracket in a reciprocating manner through the matching of the spiral driving part (4) and the driving matching part (5); the grinding tool (1) is arranged on the sliding piece (3) and slides on the bracket in a reciprocating mode along with the sliding piece (3).

2. The electric rasp according to claim 1, wherein: the spiral driving part (4) is arranged in a convex mode, and the driving matching part (5) is arranged in a concave mode; or the spiral driving part (4) is arranged in a concave mode, and the driving matching part (5) is arranged in a convex mode.

3. The electric rasp according to claim 2, wherein: the bracket comprises a first shell (6) and a second shell (7), wherein the first shell (6) and the second shell (7) are fixedly connected with each other, and a cavity is formed between the first shell and the second shell; the driving motor (2) is fixedly arranged in the cavity, a rotating part (8) is arranged at the power output end of the driving motor in a rotating mode, and the spiral driving part (4) is arranged on the periphery of the rotating part (8) in a protruding mode.

4. The electric rasp according to claim 3, wherein: slider (3) one end is stretched into in the cavity, and the sunken formula is provided with drive cooperation portion (5) to be connected through drive cooperation portion (5) and screw drive portion (4) drive of rotating piece (8), outside slider (3) other end stretches out the cavity, and through buckle, or fastener, or paste thing and grinding apparatus (1) removable assembly be connected.

5. The electric rasp according to claim 3, wherein: and a power supply element (10) is arranged on the first shell (6) and/or the second shell (7), and the power supply element (10) is a rechargeable battery or a non-rechargeable battery, is electrically connected with the driving motor (2), and supplies working electricity for the driving motor (2).

6. The electric rasp according to claim 5, wherein: a metal elastic sheet (11) is arranged in the cavity, and the power supply element (10) is electrically connected with or separated from the driving motor (2) through the metal elastic sheet (11).

7. The electric rasp according to claim 6, wherein: the first shell (6) and/or the second shell (7) are/is provided with a switch piece (12), the switch piece (12) is arranged on the first shell (6) and/or the second shell (7) in a sliding mode, and the power supply element (10) and the metal elastic sheet (11) or the power supply element (10) and the driving motor (2) or the metal elastic sheet (11) and the driving motor (2) are/is driven to be electrically connected or separated when the switch piece (12) slides.

8. The electric rasp according to claim 7, wherein: the driving motor (2) is provided with a first connecting terminal (13) and a second connecting terminal (14); one end of the power supply element (10) is electrically connected with the first connecting terminal (13), the other end of the power supply element is electrically connected with one end of the metal elastic sheet (11), and the switch piece (12) is arranged on the first shell (6) and/or the second shell (7) in a sliding mode and acts on and drives the other end of the metal elastic sheet (11) to be electrically connected with or separated from the second connecting terminal (14) when sliding, so that the power supply of the driving motor (2) is controlled to be switched on or switched off.