CN221202984U - Double-layer machine body structure of electric toothbrush - Google Patents

Abstract

The application provides a double-layer machine body structure of an electric toothbrush, which belongs to the field of electric toothbrushes and mainly comprises an inner machine body bracket and an outer machine body shell, wherein the inner machine body bracket and the outer machine body shell are arranged in an inner-outer two-layer structure, the inner bracket light guide part of the inner layer can guide light to display an indicator lamp to form gradual change light effect, and the outer machine body shell can give consideration to appearance display and structural protection; and the inner and outer two-layer fuselage structure is assembled and installed, so that the whole assembly and disassembly are convenient.

Description

Double-layer machine body structure of electric toothbrush

Technical Field

The utility model relates to the field of electric toothbrushes, in particular to a double-layer machine body structure of an electric toothbrush.

Background

The electric toothbrush is used as a household appliance for oral care, the principle of the electric toothbrush is that the electric toothbrush is driven by a motor to drive the toothbrush to swing so as to clean the oral cavity, and the electric toothbrush mainly structurally comprises a machine core assembly, a machine body shell, a brush head and the like, wherein the motor in the machine core assembly drives the brush head to operate at a certain swing angle and vibration frequency through a motor shaft so as to clean teeth. With the development of electric toothbrushes, the electric toothbrushes have more and more functions, such as overvoltage alarm, blue light whitening, gesture detection, etc., and some functions need to be displayed and externalized through an indicator lamp, so that a user knows whether the brushing gesture or force of the user is within a reasonable range. The machine body shell of the traditional electric toothbrush is a single-layer shell, so that the machine body shell is not only required to be used as an appearance surface layer for design display and structural protection, but also is required to be matched with the light guide display of a lamp source, and the machine body shell cannot be well considered. The area of the existing indicator light is small, and even if the light gives an alarm, the light can be ignored, so that the functions lose the meaning of existence. For this purpose, the utility model is applied.

Disclosure of utility model

The utility model aims to solve the problem that the single-layer shell in the existing structure cannot well give consideration to appearance display, structure protection and light guide display matched with a lamp source.

The utility model aims to solve the problems that the area of the existing indicator lamp is small, and even if the light gives an alarm, the indicator lamp can be ignored, so that the abundant functions of the electric toothbrush are lost.

To this end, the present utility model provides a double-layered body structure of an electric toothbrush, characterized by comprising:

The machine body inner support is internally provided with a machine body inner cavity for assembling and installing a machine core component of the power toothbrush, an output shaft of the machine core component extends out of the machine body inner support, and the machine body inner support is at least provided with an inner support light guide part for guiding light and displaying an indicator light of the power toothbrush;

The main body shell at least comprises a main body shell and an upper cover, the top of the main body shell is provided with a shell opening, the main body shell is sleeved on the inner support of the main body through the shell opening, the main body shell and the inner support are fixed along the circumferential direction, and the main body shell is at least provided with a main body light transmission part corresponding to the light guide part of the inner support; the upper cover is connected with the shell opening in a sealing way and is positioned and installed on the inner frame of the machine body, and the upper cover is provided with an upper cover opening for the output shaft to extend out.

Preferably, the bottom of the frame in the machine body and the bottom of the core assembly are assembled and fixed through a first buckle assembly; the first buckle assembly comprises a first bayonet and a first elastic buckle, the first elastic buckle is arranged on the movement assembly, and the first bayonet is formed at the bottom of the inner bracket of the machine body.

Preferably, the upper cover is assembled and fixed on the inner frame of the machine body through a second buckle assembly; the second buckle assembly comprises a second elastic buckle and a second clamping groove, the second clamping groove is formed in the inner frame of the machine body, and the second elastic buckle is arranged on the upper cover.

Preferably, the device further comprises a first guide assembly, wherein the first guide assembly comprises a first guide groove and a first guide rib, the first guide groove is formed in the inner frame of the device body, and the first guide rib is formed in the upper cover.

Preferably, the main machine shell is assembled and fixed with the inner frame of the machine body through a third buckle component; the third buckle assembly comprises a third buckle and a third clamping groove, the third buckle is arranged on the inner frame of the main body, and the third clamping groove is arranged on the main machine shell.

Preferably, the frame and the main casing are cylindrical.

Preferably, the waterproof machine further comprises a waterproof screw assembly, the waterproof screw assembly comprises a waterproof screw and a waterproof sealing ring, a waterproof screw hole is formed in the bottom of the main machine shell, a threaded fixing hole is formed in the bottom of the machine core support, the waterproof screw penetrates through the waterproof screw hole and is fixed to the threaded fixing hole in a threaded mode, and the waterproof sealing ring is abutted to the waterproof screw hole.

Preferably, the waterproof screw comprises a waterproof screw hole and a waterproof screw, and is characterized by further comprising a bottom cover, wherein a step surface is formed on the bottom cylinder wall of the main casing, and the bottom cover is sleeved and installed on the step surface and is coated on the waterproof screw hole and the waterproof screw.

Preferably, the indicator light is implemented as a light display assembly, the light display assembly is mounted at the bottom of the movement assembly, the light display assembly comprises a mounting bracket, a light plate and a plurality of light beads, the mounting bracket is mounted on the movement assembly, the light plate is mounted on the mounting bracket, the plurality of light beads are arranged on the light plate and are annularly distributed, and light of the light beads irradiates the inner bracket light guide part.

Preferably, the LED lamp further comprises a second guide assembly, the second guide assembly comprises a second guide rib and a second guide groove, the second guide rib is arranged at the bottom of the inner bracket of the body, and the second guide groove is arranged at the lamp panel and/or the mounting bracket.

Preferably, the inner support light guide part is defined as a part or all of the structure of the inner support of the main body, and the light transmission part of the main body is defined as a part or all of the structure of the main body shell; the inner support light guide part is implemented as a light-transmitting opaque light guide structure with light guide agent added, and the main machine shell light-transmitting part is implemented as a transparent structure.

The above technical schemes alone or in combination exhibit the following beneficial effects:

The scheme is that an inner support of the machine body and an inner and outer layer structure of the machine body shell are arranged, the inner support light guide part of the inner layer can guide light to display the indicator lamp to form gradual change light effect, and the outer layer of the machine body shell can give consideration to appearance display and structural protection; and the inner and outer two-layer fuselage structure is assembled and installed, so that the whole assembly and disassembly are convenient.

The machine body structure is divided into an inner layer structure, an outer layer transparent structure and an inner layer light guide structure, and a light display assembly of a whole circle of luminous source is arranged at the bottom of the machine body structure, so that a gradual change light column effect can be realized.

The frame, the upper cover and the main casing are all in buckle assembly connection, so that full assembly type assembly is realized, the disassembly and assembly are convenient, and the fittings are easy to replace.

The bottom cover cladding mainframe bottom realizes on the one hand that the bottom is waterproof, and on the other hand can cladding lamp shows the subassembly simultaneously, prevents bottom light leak.

Drawings

Fig. 1 shows a structural exploded view of a brush head and a body of an electric toothbrush.

Fig. 2 shows a structural exploded view of the electric toothbrush.

Fig. 3 shows an enlarged view of the lamp assembly of fig. 2.

Fig. 4 shows a front view of a double-layer body structure of the electric toothbrush.

FIG. 5 shows a cross-sectional view A-A of FIG. 4.

Fig. 6 shows a schematic diagram of the upper cover structure of the double-layer body structure of the electric toothbrush.

Fig. 7 shows a view angle structure of an inner frame and a housing of a double-layer body structure of an electric toothbrush.

Fig. 8 shows another view angle structure of the inner frame and the outer shell of the electric toothbrush in the double-layer frame structure.

Fig. 9 shows a structure of an inner support light guide part, a lamp display assembly and a body light transmission part in a double-layer body structure of the electric toothbrush.

Wherein:

Detailed Description

The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

Referring to fig. 1 to 9, the present embodiment provides a double-layer body structure of an electric toothbrush, which mainly includes an inner body bracket 1 and a body housing 2. The double-layer structure realizes light guide and light transmission lamplight cooperation display, and assembled. Specifically, a machine body inner cavity for assembling and installing the machine core component 3 of the power-supplied toothbrush is formed in the machine body inner bracket 1, an output shaft 31 of the machine core component 3 extends out of the machine body inner bracket 1, and the machine body inner bracket 1 is at least provided with an inner bracket light guide part 10 for guiding light and displaying an indicator light of the power-supplied toothbrush. The main body shell 2 at least comprises a main body shell 21 and an upper cover 23, the top of the main body shell 21 is provided with a shell opening, the main body shell 21 is sleeved on the main body inner bracket 1 through the shell opening, the main body shell 21 and the main body inner bracket 1 are fixed along the circumferential direction, and the main body shell 21 is at least provided with a main body light transmission part 210 corresponding to the inner bracket light guide part 10; the upper cover 23 is hermetically connected to the housing opening and is positioned and mounted on the frame 1 in the machine body, and the upper cover 23 has an upper cover opening through which the output shaft 31 extends. Through the arrangement of the inner and outer two-layer structures of the inner frame 1 and the outer frame 2, the inner frame light guide part 10 of the inner layer can conduct light guiding display on the indicator lamp to form gradual change light effect, and the outer frame 2 can give consideration to both appearance display and structural protection; and the inner and outer two-layer fuselage structure is assembled and installed, so that the whole assembly and disassembly are convenient.

The foregoing aspects are essential to the implementation of the present embodiment, and are described in further detail below with reference to the accompanying drawings and detailed description:

Referring to fig. 1, it is well known that an electric toothbrush is composed of a movement assembly (including a motor and a circuit board, etc.), a brush head 4, a power supply, etc. The brush head 4 generates high-frequency vibration or rotation through the rapid rotation or vibration of the motor, so that the toothpaste is decomposed into micro-foam to clean the gaps between the teeth. The present embodiment is created by the body structure, so the working principle of the electric toothbrush will not be repeated, and the person skilled in the art should be able to know the principle components of the electric toothbrush.

Referring to fig. 4, 5 and 8, the movement assembly 3 is mounted in the internal frame 1, and in order to achieve assembly, as a preferred embodiment of the present embodiment, the bottom of the internal frame 1 and the bottom of the movement assembly 3 are assembled and fixed by a first fastening assembly. Specifically, the first buckle assembly includes a first bayonet 16 and a first latch 13, the first latch 13 is disposed on the movement assembly 3, and the first bayonet 16 is formed at the bottom of the frame 1 in the body. Further, the deck assembly 3 includes a deck bracket, a circuit board, a battery, a motor, and other functional components, and the first snap fastener 13 is disposed at the bottom of the deck bracket. Further, the inner frame 1 is a cylindrical structure, and the first bayonet 16 is formed on the inner wall of the inner frame 1.

As described above, the in-body stand 1 is of a cylindrical structure having openings at the top and bottom thereof, the opening at the top facilitating the mounting of the output shaft 31 of the deck assembly 3 extending from the outer and upper covers 23, and the opening at the bottom facilitating the mounting of the bottom indicator lamp.

Referring to fig. 4, 5, 6 and 7, in the present embodiment, the upper cover 23 is assembled and fixed to the inner frame 1 by a second fastening assembly. The second fastening component includes a second latch 233 and a second slot 14, the second slot 14 is disposed on the inner frame 1 of the body, and the second latch 233 is disposed on the upper cover 23. Preferably, the second elastic buckle 233 is an elastic arm, and a wedge-shaped buckle is formed at the end of the elastic arm to be matched with the second clamping groove 14.

Referring to fig. 6, 7 and 8, in order to facilitate the installation of the upper cover 23 and the inner frame 1, the present embodiment further includes a first guide assembly, where the first guide assembly includes a first guide groove 15 and a first guide rib 232, the first guide groove 15 is disposed on the inner frame 1, and the first guide rib 232 is disposed on the upper cover 23. The positions of the second snap 233 and the second snap 14 are adapted with reference to the relative positions of the first guide groove 15 and the first guide rib 232.

Similarly, the main housing 21 is assembled to the frame 1 and sealed with the upper cover 23 by the upper cover seal ring 231. Specifically, the main housing 21 is assembled and fixed with the inner frame 1 of the main body through a third buckle assembly, the third buckle assembly includes a third buckle 12 (shown in fig. 7) and a third clamping groove 212, the third buckle 12 is arranged on the inner frame 1 of the main body, and the third clamping groove 212 is arranged on the main housing 21. Preferably, the main housing 21 is configured in a tubular structure, the third buckle 12 is formed on the outer wall of the inner frame 1, and the third slot 212 is formed on the inner wall of the main housing 21.

Referring to fig. 5, 7, 8 and 9, in this embodiment, the lamp is shown to be disposed at the bottom of the main body, and in order to realize the waterproof of the bottom, the structural installation of the main body shell 21 and the inner frame 1 of the main body further includes a waterproof screw assembly including a waterproof screw 61 and a waterproof sealing ring 62, the bottom of the main body shell 21 has a waterproof screw hole 213 (shown in fig. 8), the bottom of the movement frame has a threaded fixing hole, the waterproof screw 61 passes through the waterproof screw hole 213 and is screwed to the threaded fixing hole, and the waterproof sealing ring 62 is abutted against the waterproof screw hole 213 by the waterproof screw 61 for sealing and waterproof.

Further, referring to fig. 8 and 9, the body housing 2 further includes a bottom cover 22, a step surface 211 is formed on a bottom wall of the main housing 21, and the bottom cover 22 is sleeved on the step surface 211 and covers the waterproof screw hole 213 and the waterproof screw 61. On the one hand, the auxiliary waterproof of the bottom can be realized, on the other hand, the lamp display assembly 5 can be coated simultaneously, and the light leakage of the bottom is prevented. The bottom cover 22 can be further bonded or connected by ultrasonic after being sleeved with the step surface 211.

Referring to fig. 2 and 3, as a preferred implementation of the present embodiment, the indicator light is implemented as a light display assembly 5, the light display assembly 5 is mounted at the bottom of the movement assembly 3, the light display assembly 5 includes a mounting bracket 51, a light plate 52 and a plurality of light beads 53, the mounting bracket 51 is mounted on the movement assembly 3, the light plate 52 is mounted on the mounting bracket 51, and the plurality of light beads 53 are disposed on the light plate 52 and are annularly arranged. Specifically, the mounting bracket 51 is mounted to the movement bracket of the movement assembly 3 in a snap-fit manner, and the lamp panel 52 and the mounting bracket 51 are provided with a perforated structure through which the waterproof screw 61 is inserted, and the waterproof screw 61 bracket stabilizes the overall structure on the movement bracket and the main casing 21.

Referring to fig. 3 in combination with fig. 7, 8 and 9, the guiding mounting of the cradle 1 and the deck assembly 3 is further performed to prevent the relative rotational displacement of the two. The present embodiment further includes a second guide assembly including a second guide rib 11 and a second guide groove 521, the second guide rib 11 is disposed at the bottom of the inner frame 1 of the body, and the second guide groove 521 is disposed at the lamp panel 52 and/or the mounting frame 51. Further, the second guiding groove 521 is implemented on the lamp panel 52 in the present embodiment. It should be noted that the light board 52 is an integrated circuit board on which the light beads 53 are mounted, and the pcb body thereof can be structurally modified to meet the implementation of the second guide groove 521.

The number of the first guide assembly, the second guide assembly, the first buckle assembly, the second buckle assembly and the third buckle assembly 12 in practical implementation is not limited, and is specifically confirmed according to the mold opening design.

Referring to fig. 9, in this embodiment, the internal frame 1 guides the indication light of the light display assembly 5 uniformly, and displays the light beam through the housing 2. And the inner frame light guide 10 is defined as a part or all of the structure of the body inner frame 1; similarly, the body light-transmitting portion 210 is defined as a part or all of the structure of the main chassis 21. In this embodiment, each structural member is integrally injection molded, for convenience in preparation and cost saving, the inner support light guiding portion 10 is a position of the bottom of the inner support 1 of the main body, which is close to the light display assembly 5, light of the light display assembly 5 is directed to the inner support light guiding portion 10, and the main body light transmitting portion 210 is the whole main body 21 in this embodiment.

Further, the inner frame light guide 10 is implemented as a light-transmitting opaque light guide structure with a light guide agent added thereto, and the main housing 21 light-transmitting portion is implemented as a transparent structure. Specifically, the internal frame 1 of the machine body can be injection molded by adding a light guide agent by adopting an injection molding material, so that the light is conveniently displayed, and the integral machine body has certain molding strength by adopting the injection molding material, and also plays a role in protection. For example, the PP plastic is added with the light guide agent for injection molding, and the light guide agent comprises a brightening agent, a light homogenizing agent, a light dispersing agent and the like commonly known in the market. The purpose is to increase the scattering and transmission of light, and to cover the light source and the dazzling light source, and at the same time, to make the whole frame 1 in the frame emit softer, more beautiful and elegant light, to achieve the comfortable effect of light transmission and non-transparency. Such as acrylic type, styrene type, and acrylic type light diffusing agents.

Further, the main casing 21 may be made of one of polycarbonate, polymethyl methacrylate and polypropylene, and is matched with electroplating or laser texture to realize beautiful surface texture, so as to be matched with the light guiding effect of the inner frame 1 of the main body to present more beautiful light effect.

The beneficial effects of this embodiment are:

The scheme is that an inner support 1 of the machine body and an inner support and outer support of the machine body shell 2 are arranged, an inner support light guide part 10 of the inner support can conduct light guide display on an indicator lamp to form gradual change light effect, and the outer machine body shell 2 can give consideration to appearance display and structural protection; and the inner and outer two-layer fuselage structure is assembled and installed, so that the whole assembly and disassembly are convenient.

The machine body structure is divided into an inner layer structure, an outer layer transparent structure and an inner layer light guide structure, and a lamp display assembly 5 of a whole circle of luminous source is arranged at the bottom of the machine body structure, so that a gradual change light column effect can be realized.

The inner frame 1, the upper cover 23 and the main frame 21 are all in buckle assembly connection, so that full assembly type assembly is realized, the disassembly and assembly are convenient, and the parts are easy to replace.

The bottom cover 22 covers the bottom of the main casing 21, so that the bottom is waterproof, and the lamp display assembly 5 can be simultaneously covered to prevent light leakage at the bottom.

It will be appreciated by persons skilled in the art that the embodiments of the utility model shown in the foregoing description are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims (11)

1. Electric toothbrush double-deck fuselage structure, its characterized in that includes:

The machine body inner support is internally provided with a machine body inner cavity for assembling and installing a machine core component of the power toothbrush, an output shaft of the machine core component extends out of the machine body inner support, and the machine body inner support is at least provided with an inner support light guide part for guiding light and displaying an indicator light of the power toothbrush;

The main body shell at least comprises a main body shell and an upper cover, the top of the main body shell is provided with a shell opening, the main body shell is sleeved on the inner support of the main body through the shell opening, the main body shell and the inner support are fixed along the circumferential direction, and the main body shell is at least provided with a main body light transmission part corresponding to the light guide part of the inner support; the upper cover is connected with the shell opening in a sealing way and is positioned and installed on the inner frame of the machine body, and the upper cover is provided with an upper cover opening for the output shaft to extend out.

2. The electric toothbrush double-layer body structure according to claim 1, wherein: the bottom of the inner frame of the machine body and the bottom of the core assembly are assembled and fixed through a first buckle assembly; the first buckle assembly comprises a first bayonet and a first elastic buckle, the first elastic buckle is arranged on the movement assembly, and the first bayonet is formed at the bottom of the inner bracket of the machine body.

3. The electric toothbrush double-layer body structure according to claim 1, wherein: the upper cover is assembled and fixed on the inner frame of the machine body through a second buckle assembly; the second buckle assembly comprises a second elastic buckle and a second clamping groove, the second clamping groove is formed in the inner frame of the machine body, and the second elastic buckle is arranged on the upper cover.

4. The electric toothbrush double-layer body structure according to claim 3, wherein: still include a direction subassembly, a direction subassembly includes first guide way and first direction muscle, a direction groove is located the fuselage inner support, a direction muscle is located the upper cover.

5. The electric toothbrush double-layer body structure according to claim 1, wherein: the main machine shell is assembled and fixed with the inner frame of the machine body through a third buckle assembly; the third buckle assembly comprises a third buckle and a third clamping groove, the third buckle is arranged on the inner frame of the main body, and the third clamping groove is arranged on the main machine shell.

6. The electric toothbrush double-layer body structure according to any one of claims 1 to 5, characterized in that: the frame and the main machine shell are of a cylindrical structure.

7. The electric toothbrush double-layer body structure according to claim 6, wherein: still include waterproof screw subassembly, waterproof screw subassembly includes waterproof screw and waterproof sealing circle, mainframe housing bottom has a waterproof screw hole, the core support bottom has a screw thread fixed orifices, waterproof screw passes waterproof screw hole and screw thread fixed in the screw thread fixed orifices, waterproof sealing circle by waterproof screw support in waterproof screw hole.

8. The electric toothbrush double-layer body structure of claim 7, wherein: the waterproof screw comprises a main shell, and is characterized by further comprising a bottom cover, wherein a step surface is formed on the bottom cylinder wall of the main shell, and the bottom cover is sleeved and installed on the step surface and is coated on the waterproof screw hole and the waterproof screw.

9. The electric toothbrush double-layer body structure of claim 7, wherein: the pilot lamp is implemented as a lamp and shows the subassembly, the lamp show the subassembly install in the bottom of core subassembly, the lamp shows the subassembly including installing support, lamp plate and a plurality of lamp pearl, the installing support install in the core subassembly, the lamp plate install in on the installing support, a plurality of the lamp pearl is located the lamp plate is the annular and arranges, the lamp illumination of lamp pearl is to the inner support leaded light portion.

10. The electric toothbrush double-layer body structure of claim 9, wherein: the LED lamp further comprises a second guide assembly, the second guide assembly comprises a second guide rib and a second guide groove, the second guide rib is arranged at the bottom of the inner frame of the body, and the second guide groove is arranged at the lamp panel and/or the mounting frame.

11. The electric toothbrush double-layer body structure according to claim 6, wherein: the inner support light guide part is defined as a part or all of the structure of the inner support of the main body, and the main body light transmission part is defined as a part or all of the structure of the main machine shell; the inner support light guide part is implemented as a light-transmitting opaque light guide structure with light guide agent added, and the main machine shell light-transmitting part is implemented as a transparent structure.