CN219538546U

CN219538546U - Brush handle and electric toothbrush

Info

Publication number: CN219538546U
Application number: CN202223609127.2U
Authority: CN
Inventors: 罗志高; 潘丽平; 何亚宁
Original assignee: Guangzhou Stars Pulse Co Ltd
Current assignee: Guangzhou Stars Pulse Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-08-18
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a brush handle and an electric toothbrush, wherein the brush handle comprises a machine core, a main shell and a shading shell; the movement is provided with a display area, and the display area is provided with a plurality of display lamps which are arranged at intervals; the main shell is provided with a containing cavity, the movement is contained in the containing cavity, the main shell is provided with a first part which corresponds to the display area and has light transmittance, the first part is provided with first light transmittance areas which correspond to the display lamps one by one, and the first part is provided with a complete and continuous outer surface; the shading shell is arranged on the outer side of the first part and connected with the first part, and a plurality of second light transmission areas which are in one-to-one correspondence with the display lamps are arranged on the shading shell. The first part has complete continuous surface, and the surface of first part is complete surface promptly, and the first part does not have through-hole structures such as light trap for the first part has better waterproof ability, thereby can avoid the water liquid to get into the life of holding intracavity influence brush handle through the first part.

Description

Brush handle and electric toothbrush

Technical Field

The utility model relates to the technical field of oral cavity cleaning, in particular to a brush handle and an electric toothbrush.

Background

In the related art, a brush holder of an electric toothbrush generally comprises a main shell and a machine core, wherein the machine core is arranged in the main shell, a display lamp is arranged on the machine core, a light hole corresponding to the display lamp is arranged on the main shell, and when the display lamp is electrified, light passes out of the light hole.

However, the water liquid easily enters the main housing through the light holes, thereby affecting the service life of the brush handle.

Disclosure of Invention

The utility model provides a brush handle and an electric toothbrush, which can prevent water from entering a containing cavity through a light hole to influence the service life of the brush handle.

In a first aspect, the present utility model provides a handle comprising: the machine core is provided with a display area, and the display area is provided with a plurality of display lamps which are arranged at intervals; the main shell is provided with a containing cavity, the movement is contained in the containing cavity, the main shell is provided with a first part which corresponds to the display area and has light transmittance, the first part is provided with first light transmittance areas which correspond to the display lamps one by one, and the first part is provided with a complete and continuous outer surface; and the shading shell is arranged on the outer side of the first part and connected with the first part, and a plurality of second light transmission areas which are in one-to-one correspondence with the display lamps are arranged on the shading shell.

In some embodiments of the present utility model, the main housing further includes a second portion provided on an outer periphery of the first portion, the second portion being provided with a mounting groove, at least a portion of the first portion being formed as a bottom surface of the mounting groove, and the light shielding housing being mounted to the mounting groove. The thickness of the shell at the display area on the brush handle can be reduced, which is convenient for the user to hold the brush handle.

In some embodiments of the utility model, the mounting groove further comprises a groove side surface, the light shielding shell covers the groove bottom surface, and the edge of the light shielding shell is contacted with the groove side surface. Promote the connection compactness of shading casing and first part and second part, prevent that shading casing from coming off from the main casing, also can prevent simultaneously that the water liquid from accumulating between shading casing and groove side.

In some embodiments of the utility model, the light shielding housing includes a first surface facing away from the bottom surface of the groove, the first surface having a shape that matches the shape of the outer surface of the second portion, and the first surface being in smooth transition with the outer surface of the second portion. The step-shaped structure formed at the joint of the first surface and the outer surface of the second part can be avoided, so that a user can hold the brush handle more comfortably, the light shielding shell is not easy to separate from the first part, and the light shielding shell is prevented from falling off from the main shell.

In some embodiments of the present utility model, the mounting groove further comprises a groove side surface, the groove side surface is connected with the groove bottom surface to form a corner structure, and an included angle between the groove side surface and the groove bottom surface is smaller than 90 degrees; the edge of the shading shell is accommodated in the corner structure, and the shape of the edge of the shading shell is matched with the corner structure. Make the edge and the corner structure of shading casing form and be similar to mortise and tenon joint's connection, can further promote shading casing and first part and second part's connection compactness and connection stability, prevent shading casing and main casing separation.

In some embodiments of the utility model, the first portion and the second portion are integrally injection molded. And a gap is not reserved between the first part and the second part, so that the overall waterproof performance of the main shell can be improved.

In some embodiments of the present utility model, an adhesive body is disposed between the light-shielding shell and the first portion, the light-shielding shell is adhered to the first portion by the adhesive body, and the adhesive body is provided with a first light-transmitting through hole corresponding to the display lamp, the first light-transmitting area and the second light-transmitting area. The connection strength of the shading shell and the first part is improved, and the shading shell is prevented from being separated from the first part; in addition, the first light-transmitting through hole can be used for enabling light emitted by the display lamp to pass through smoothly, and normal use of the display lamp cannot be affected.

In some embodiments of the present utility model, a portion of the first portion located in the first light-transmitting region protrudes away from the accommodating cavity relative to other portions of the first portion located outside the first light-transmitting region. When the shading shell is bonded with the first part through the bonding colloid, the thickness of the part of the bonding colloid corresponding to the first light transmission area can be reduced, and the influence of the bonding colloid on the light transmission of the first light transmission area is reduced.

In some embodiments of the present utility model, a distance between two adjacent second light-transmitting regions is greater than 4 mm; and/or the relation between the light emission angle of the display lamp and the distance of the display lamp from the inner surface of the first part should be such that: the light emitted by the display lamp cannot be transmitted out from the second light-transmitting area adjacent to the second light-transmitting area corresponding to the display lamp. The influence of the light can be reduced, and misjudgment of a user caused by the light emitted by each display lamp due to the light of the light source can be prevented.

In some embodiments of the present utility model, the light shielding housing is a non-light-transmitting member, and the second light-transmitting region is provided with a second light-transmitting through hole. The second light transmission through hole can improve the light transmissivity of second light transmission area for the light that the display lamp sent is more easily observed to the user.

In some embodiments of the utility model, the handle further comprises: the light-transmitting shell is arranged on one side, far away from the first part, of the light-shielding shell and is connected with the light-shielding shell, and the light-transmitting shell covers the second light-transmitting through hole. The light-transmitting housing may seal the second light-transmitting through hole, so that accumulation of water liquid in the second light-transmitting through hole may be prevented.

In a second aspect, the present utility model also provides an electric toothbrush comprising a brush head and a handle as in any of the above embodiments, the brush head being mounted to the cartridge.

The beneficial effects of the utility model are as follows: the first part is provided with a complete and continuous outer surface, namely the outer surface of the first part is a complete surface, and the first part is not provided with through hole structures such as light holes and the like, so that the first part has better waterproof capability, and the service life of the brush handle can be prevented from being influenced by water entering the accommodating cavity through the first part; in addition, the shading shell is arranged to be a non-light-transmitting piece, after light emitted by the display lamps passes through the first light-transmitting area, due to the shading effect of the shading shell, the light entering one second light-transmitting area in the shading shell can be effectively prevented from entering other second light-transmitting areas along the shading shell, and therefore misjudgment of a user caused by light strings of the light emitted by each display lamp can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of a portion of a handle in a first view according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a handle in a second view according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a portion of a handle according to an embodiment of the present utility model at a third view angle;

FIG. 4 is an enlarged schematic view of FIG. 3 at A;

fig. 5 is a schematic view showing a structure of an electric toothbrush according to an embodiment of the present utility model.

Reference numerals:

10. a movement; 11. a display lamp; 12. a circuit board; 13. a bracket; 14. a battery; 15. a motor; 20. a main housing; 21. a receiving chamber; 22. a first portion; 221. a first light-transmitting region; 23. a second portion; 24. a mounting groove; 241. a bottom surface of the groove; 242. a groove side; 243. a corner structure; 30. a light shielding housing; 31. a second light-transmitting region; 32. a first surface; 33. a second light-transmitting through hole; 40. a light-transmitting housing; 50. a brush head.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides a brush handle and an electric toothbrush, which are used for solving the problem that water easily enters a main shell through a light hole, so that the service life of the brush handle is influenced.

In a first aspect, the present utility model provides a handle, as shown in fig. 1 and 2, comprising a movement 10, a main housing 20, and a light-shielding housing 30.

Wherein, the movement 10 has a display area, which is provided with a plurality of display lamps 11 arranged at intervals; cartridge 10 is adapted to be coupled to a brush head 50 (fig. 5) of an electric toothbrush and to drive brush head 50 into vibration for oral cleaning using brush head 50. The display lamp 11 may be an indication lamp corresponding to a function key, such as a power indication lamp, a mode indication lamp, or the like.

The main casing 20 has a receiving chamber 21, the movement 10 is received in the receiving chamber 21, and the main casing 20 is used for providing support and protection for the movement 10 and other components in the receiving chamber 21. The overall shape of the main housing 20 may be cylindrical, prismatic, or other, and the present utility model is not particularly limited.

The main housing 20 has a first portion 22 with light transmittance corresponding to the display area, the first portion 22 has first light transmittance areas 221 corresponding to the display lamps 11 one by one, and the first portion 22 has a complete continuous outer surface; the light shielding shell 30 is disposed on the outer side of the first portion 22 and is connected to the first portion 22, and a plurality of second light transmitting areas 31 corresponding to the display lamps 11 one by one are disposed on the light shielding shell 30.

It will be appreciated that the first portion 22 is a light-transmitting portion, and the light emitted by the display lamp 11 can pass through the first light-transmitting region 221, so that the first portion 22 can be assembled more simply without considering alignment problems; the light shielding shell 30 is a non-light-transmitting member, the light shielding shell 30 has a light shielding function, but the second light transmitting area 31 on the light shielding shell 30 is a light transmitting part, and the second light transmitting area 31 corresponds to the first light transmitting area 221 one by one, when the display lamp 11 is powered on, the light emitted by the display lamp 11 sequentially passes through the first light transmitting area 221 and the second light transmitting area 31, so that the light can be observed by a user.

It should be further noted that, the first portion 22 has a complete and continuous outer surface, that is, the outer surface of the first portion 22 is a complete surface, and the first portion 22 does not have a through hole structure such as a light hole, so that the first portion 22 has better water-proof capability, thereby avoiding that water enters the accommodating cavity 21 through the first portion 22 to affect the service life of the brush handle; in addition, after the light shielding shell 30 is set as a non-light-transmitting member and the light emitted by the display lamps 11 passes through the first light-transmitting area 221, the light entering one second light-transmitting area 31 in the light shielding shell 30 can be effectively prevented from entering other second light-transmitting areas 31 along the light shielding shell 30 due to the shielding effect of the light shielding shell 30, so that misjudgment of a user caused by light strings of the light emitted by each display lamp 11 can be avoided.

In an embodiment of the present utility model, the main housing 20 further includes a second portion 23, the second portion 23 is disposed on an outer periphery of the first portion 22, the second portion 23 is provided with a mounting groove 24, at least a portion of the first portion 22 is formed as a bottom surface 241 of the mounting groove 24, and the light shielding housing 30 is mounted on the mounting groove 24. It will be appreciated that the bottom 241 of the mounting groove 24 is part of the outer surface of the first portion 22 and that the light shielding housing 30 is received in the mounting groove 24 to reduce the thickness of the housing at the display area on the handle for facilitating the gripping of the handle by a user.

Preferably, the light shielding shell 30 includes a first surface 32 facing away from the bottom 241 of the slot, the shape of the first surface 32 is matched with the shape of the outer surface of the second portion 23, and the first surface 32 is smoothly connected with the outer surface of the second portion 23, so that a step structure formed at the connection between the first surface 32 and the outer surface of the second portion 23 can be avoided, the user can hold the brush holder more comfortably, the light shielding shell 30 is not easily separated from the first portion 22, and the light shielding shell 30 is prevented from falling off the main shell 20.

In an embodiment of the present utility model, the mounting groove 24 further includes a groove side surface 242, the light shielding shell 30 covers the groove bottom surface 241, and the edge of the light shielding shell 30 contacts the groove side surface 242 to enhance the connection tightness between the light shielding shell 30 and the first portion 22 and the second portion 23, prevent the light shielding shell 30 from falling off from the main shell 20, and prevent water from accumulating between the light shielding shell 30 and the groove side surface 242.

As shown in fig. 2 to 4, in an embodiment of the present utility model, the groove side 242 is connected to the groove bottom 241 to form a corner structure 243, and an included angle formed by the groove side 242 and the groove bottom 241 is smaller than 90 degrees; the edge of the light shielding shell 30 is accommodated in the corner structure 243, and the shape of the edge of the light shielding shell 30 is adapted to the corner structure 243, so that the edge of the light shielding shell 30 and the corner structure 243 form a connection similar to a mortise-tenon fit, which can further improve the connection tightness and connection stability of the light shielding shell 30 and the first portion 22 and the second portion 23, and prevent the light shielding shell 30 from being separated from the main shell 20.

The included angle formed by the groove side face 242 and the groove bottom face 241 may be 15 degrees, 30 degrees, 45 degrees, 60 degrees or other degrees, and the specific value of the included angle formed by the groove side face 242 and the groove bottom face 241 may be selected according to practical requirements.

With continued reference to fig. 2-4, in an embodiment of the present utility model, the first portion 22 and the second portion 23 are integrally injection molded, such that there is no gap between the first portion 22 and the second portion 23, which can enhance the overall waterproof performance of the main housing 20. Of course, according to practical requirements, the first portion 22 and the second portion 23 may be formed separately, and then the first portion 22 may be spliced with the second portion 23 by gluing, welding, riveting or clamping.

In an embodiment of the present utility model, an adhesive (not shown) is disposed between the light shielding shell 30 and the first portion 22, the light shielding shell 30 is adhered to the first portion 22 by the adhesive, and the adhesive is provided with a first light transmitting through hole (not shown) corresponding to the display lamp 11, the first light transmitting area 221 and the second light transmitting area 31. It is understood that the light shielding shell 30 may be adhered to the first portion 22 by an adhesive to enhance the connection strength between the light shielding shell 30 and the first portion 22, so as to prevent the light shielding shell 30 from being separated from the first portion 22; in addition, the first light-transmitting through hole can be used for the light emitted by the display lamp 11 to pass through more smoothly, and normal use of the display lamp 11 is not affected. The adhesive may be preferably a light-transmitting adhesive to improve the light transmission of the adhesive and further reduce the influence of the adhesive on the light emitted from the display lamp 11.

In an embodiment of the present utility model, the portion of the first portion 22 located in the first light-transmitting area 221 protrudes in a direction away from the accommodating cavity 21 relative to other portions of the first portion 22 located outside the first light-transmitting area 221, so that when the light-shielding shell 30 is adhered to the first portion 22 by the adhesive, the thickness of the portion of the adhesive corresponding to the first light-transmitting area 221 can be reduced, and the influence of the adhesive on the light transmittance of the first light-transmitting area 221 can be reduced; it should be noted that, when the portion of the first portion 22 located in the first light-transmitting region 221 is protruding to a greater extent in a direction away from the accommodating cavity 21 than other portions of the first portion 22 located outside the first light-transmitting region 221, the portion of the adhesive body corresponding to the first light-transmitting region 221 may be eliminated, so that the first light-transmitting through hole may be directly formed on the adhesive body, and thus the first light-transmitting through hole may be formed on the adhesive body without an additional process.

In an embodiment of the present utility model, a distance between two adjacent second light-transmitting areas 31 is greater than 4 mm; and/or the relation between the light emission angle of the display lamp 11 and the distance of the display lamp 11 from the inner surface of the first portion 22 should be such that: the light emitted from the display lamp 11 does not pass through the second light-transmitting region 31 adjacent to the second light-transmitting region 31 corresponding to the display lamp 11. It will be appreciated that by increasing the distance between two adjacent second light-transmitting regions 31 and/or designing the relationship between the light emission angle of the display lamp 11 and the distance from the display lamp 11 to the inner surface of the first portion 22 such that even if the light entering the first portion 22 is conducted within the first portion 22, the light emitted from each display lamp 11 can be transmitted through the corresponding second light-transmitting region 31, the influence of light-crosstalk can be reduced, and misjudgment by the user caused by light-crosstalk occurring from each display lamp 11 can be prevented.

The distance between two adjacent second light-transmitting areas 31 may be 4.1 mm, 5 mm, 6 mm, 10 mm or more, and may be selected according to practical requirements.

In an embodiment of the present utility model, the light shielding housing 30 is a non-transparent member, the second transparent region 31 is provided with a second transparent through hole 33, and the second transparent through hole 33 can improve the light transmittance of the second transparent region 31, so that the user can observe the light emitted by the display lamp 11 more easily.

In an embodiment of the present utility model, the handle further includes a light-transmitting housing 40, the light-transmitting housing 40 is disposed on a side of the light-shielding housing 30 away from the first portion 22 and is connected to the light-shielding housing 30, and the light-transmitting housing 40 covers the second light-transmitting through hole 33. It is understood that the light-transmitting housing 40 may seal the second light-transmitting through hole 33, so that accumulation of water in the second light-transmitting through hole 33 may be prevented; in addition, the light-transmitting shell 40 is a light-transmitting member, and the whole light-transmitting shell 40 can transmit light, so that the light-transmitting shell 40 is assembled without considering the alignment problem when the light-transmitting shell 40 is assembled, and the assembly of the light-transmitting shell 40 is simpler.

When the light-transmitting shell 40 is assembled, the light-transmitting shell 40 and the light-shielding shell 30 may be assembled into a whole by means of gluing, welding, riveting or clamping, and then the whole formed by the light-transmitting shell 40 and the light-shielding shell 30 is assembled on the main shell 20, so that the assembly of the light-transmitting shell 40 and the light-shielding shell 30 on the main shell 20 is simpler, and the production efficiency can be improved.

In an embodiment of the present utility model, the movement 10 includes a circuit board 12, the display lamp 11 is disposed on the circuit board 12, the circuit board 12 is used for controlling the electronic devices such as the display lamp 11 to work, the circuit board 12 may be a single-panel, double-panel or multi-layer board, and the type, model, size, etc. of the circuit board 12 are not specifically limited in the present utility model.

The movement 10 may further include a bracket 13, a battery 14, a motor 15, and other components, where the battery 14, the circuit board 12, and the motor 15 are all mounted on the bracket 13, the battery 14 is used for supplying power to electronic devices such as the circuit board 12, and the battery 14 may be a dry battery 14 or a storage battery 14, and the type of the battery 14 is not specifically limited in the present utility model. The motor 15 is used to drive the brush head 50 to vibrate for oral cleaning with the brush head 50.

Based on the brush holder, the utility model also provides an electric toothbrush, as shown in fig. 5, which comprises a brush head 50 and the brush holder in any embodiment, wherein the brush head 50 is mounted on the movement 10.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A handle, comprising:

the machine core is provided with a display area, and the display area is provided with a plurality of display lamps which are arranged at intervals;

the main shell is provided with a containing cavity, the movement is contained in the containing cavity, the main shell is provided with a first part which corresponds to the display area and has light transmittance, the first part is provided with first light transmittance areas which correspond to the display lamps one by one, and the first part is provided with a complete and continuous outer surface; the method comprises the steps of,

the shading shell is arranged on the outer side of the first part and connected with the first part, and a plurality of second light transmission areas which are in one-to-one correspondence with the display lamps are arranged on the shading shell.

2. The handle of claim 1, wherein the main housing further comprises a second portion provided at an outer periphery of the first portion, the second portion being provided with a mounting groove, at least a portion of the first portion being formed as a bottom surface of the mounting groove, the light shielding housing being mounted to the mounting groove.

3. The handle of claim 2, wherein the mounting slot further comprises a slot side, the light shield covers the slot bottom, and an edge of the light shield contacts the slot side.

4. The handle of claim 2, wherein the light-shielding housing includes a first surface facing away from the bottom surface of the slot, the first surface being shaped to conform to the shape of the outer surface of the second portion, and the first surface being in smooth transition with the outer surface of the second portion.

5. The handle of claim 2, wherein the mounting slot further comprises slot sides, the slot sides connect with the slot bottom to form a corner structure, and the slot sides form an angle with the slot bottom of less than 90 degrees;

the edge of the shading shell is accommodated in the corner structure, and the shape of the edge of the shading shell is matched with the corner structure.

6. The handle of claim 2, wherein the first portion and the second portion are integrally injection molded.

7. The brush holder according to claim 1, wherein an adhesive body is provided between the light shielding case and the first portion, the light shielding case is adhered to the first portion by the adhesive body, and the adhesive body is provided with first light transmission through holes corresponding to the display lamp, the first light transmission area, and the second light transmission area.

8. The handle of claim 1, wherein a portion of the first portion that is located in the first light-transmitting region is convex away from the cavity relative to other portions of the first portion that are located outside the first light-transmitting region.

9. A handle according to claim 1, wherein the spacing between adjacent ones of said second light-transmitting regions is greater than 4 mm; and/or

The relation between the light emission angle of the display lamp and the distance of the display lamp from the inner surface of the first portion should be such that: the light emitted by the display lamp cannot be transmitted out from the second light-transmitting area adjacent to the second light-transmitting area corresponding to the display lamp.

10. The handle of claim 1, wherein the light-shielding housing is a non-light-transmitting member and the second light-transmitting region is provided with a second light-transmitting through hole.

11. A handle according to claim 10, wherein _， The handle further comprises:

the light-transmitting shell is arranged on one side, far away from the first part, of the light-shielding shell and is connected with the light-shielding shell, and the light-transmitting shell covers the second light-transmitting through hole.

12. An electric toothbrush comprising a brush head and a handle as claimed in any one of claims 1 to 11, the brush head being mounted to the cartridge.