CN218500851U

CN218500851U - Quick-release electric toothbrush

Info

Publication number: CN218500851U
Application number: CN202220897570.5U
Authority: CN
Inventors: 李冬保; 于世宽
Original assignee: Shenzhen Risun Technology Co Ltd
Current assignee: Shenzhen Risun Technology Co Ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2023-02-21
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a quick detach electric toothbrush, including grab handle and toothbrush head, be provided with driving motor in the grab handle, still including grabbing the subassembly, it includes the shell and sets up to grab the subassembly bevel gear, chuck and three jack catch in the shell, driving motor's drive end is arranged in the shell and with the shell rigid coupling, the bevel gear rotationally install in driving motor's drive end, the chuck sets up the bevel gear top and with the shell rigid coupling, it is three jack catch slidable install in on the chuck, the bevel gear upper surface is provided with the screw thread, the jack catch lower extreme is passed the chuck and be formed with the tooth of screw thread adaptation, the jack catch is suitable for the relative motion is in order to grab the toothbrush head under the drive of screw thread, and this quick detach electric toothbrush need not very big strength of spending and loads on or takes off the toothbrush head, convenient to use, and can reduce the probability that the pine takes off appears in drive shaft and toothbrush joint portion after using for a long time.

Description

Quick-release electric toothbrush

Technical Field

The utility model relates to an electric toothbrush technical field especially relates to a quick detach electric toothbrush.

Background

The known toothbrush structures are widely used in various consumer daily lives, and are specifically designed to reduce the time a user spends brushing their teeth. Accordingly, the ease of use of power driven toothbrush structures in these consumer applications has been established to achieve a certain degree of success as compared to conventional manually operated toothbrushes.

Generally, such powered toothbrush constructions typically comprise: a conversion type toothbrush structure and a vibration type toothbrush structure. Among them, the conversion type toothbrush structure has an electric motor provided inside its main body to generate a rotational force by means of the electric motor and further drives a rotational force conversion mechanism provided therein, which can be used to convert this rotational force into other displacement motions such as a rolling or sliding direction.

On the other hand, a vibrating type toothbrush structure is configured with an eccentric weight attached to an electric motor. Wherein, no matter any above-mentioned toothbrush structure all belongs to the field of sanitary wares, its brush hair part all sets up the front end at the toothbrush main part, can be used for with user's tooth butt to brush and wipe tooth surface, protect user's tooth and gum from the infringement of caries simultaneously.

With conventional power toothbrush constructions, these brush sections at the forward end of the construction are typically removable from the handle portion thereof so that the bristle portion of the brush head may be periodically replaced. However, it should be noted that the driven toothbrush part is directly inserted into the electric motor, that is, the driving shaft of the electric motor is inserted into the toothbrush part to fix the toothbrush part and the driving shaft by using the friction force between the toothbrush part and the driving shaft, but in this way, the toothbrush part needs a large hand strength when being installed and detached, which is not beneficial for women, old people and other people with weak hand strength to replace the toothbrush, meanwhile, because the toothbrush part and the driving shaft are fixed by using the friction force, if the driving shaft is not completely inserted into the toothbrush part or used for a long time, the connection part between the driving shaft and the toothbrush may be loosened, and the toothbrush part may be separated from the driving shaft and thrown out when in use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a quick-release electric toothbrush, which is not required to consume great strength to load or take down the toothbrush head, is convenient to use, and can reduce the probability of loosening and loosening of the connecting part of the drive shaft and the toothbrush after long-time use.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a quick detach electric toothbrush, includes grab handle and toothbrush head, be provided with driving motor in the grab handle, still include and grab the subassembly, it includes the shell and sets up to grab the subassembly bevel gear, chuck and three jack catch in the shell, driving motor's drive end is arranged in the shell and with the shell rigid coupling, the bevel gear rotationally install in driving motor's drive end, the chuck sets up bevel gear top and with the shell rigid coupling, it is three jack catch slidable install in on the chuck, the bevel gear upper surface is provided with the screw thread, the jack catch lower extreme passes the chuck and be formed with the tooth of screw thread adaptation, the jack catch is suitable for the relative motion is in order to grab and hold the toothbrush head under the drive of screw thread, still include drive assembly, drive assembly includes drive shaft and drive bevel gear, drive shaft one end sets up outside the shell, the other end sets up in the shell and install drive bevel gear, drive bevel gear with the bevel gear meshing.

Furthermore, a handle is installed at one end of the driving shaft arranged outside the shell.

Furthermore, the bevel gear type power transmission device also comprises a plurality of auxiliary bevel gears meshed with the bevel gears, wherein the auxiliary bevel gears are rotatably arranged on the inner wall of the shell and are distributed in a circumferential array by taking the axes of the bevel gears as centers.

Further, the shell is arranged in a conical shape.

Furthermore, a rubber pad is arranged on one face of each clamping jaw opposite to each other.

Furthermore, a storage battery is installed in the grab handle.

Further, an interface is arranged on the grab handle and electrically connected with the storage battery, and the interface is suitable for being connected with an external power supply.

Further, the handle comprises a display arranged on the side face of the handle and a controller arranged in the handle, wherein the controller is connected with the display, the storage battery and the driving motor.

Compared with the prior art, the beneficial effects of the utility model reside in that:

compare in traditional toothbrush head and driving motor adoption cartridge complex mode and be connected, chuck, bevel gear, jack catch that set up in this application cooperate with drive bevel gear to can be through the rotatory mode of drive bevel gear linkage bevel gear, make the jack catch move in opposite directions or dorsad, in order to grab and hold or loosen the toothbrush head, it is comparatively laborsaving, and the toothbrush head is more inseparable with driving motor is connected.

Drawings

FIG. 1 is a schematic view of a quick-release electric toothbrush according to the present invention;

FIG. 2 is a schematic view of the structure of the quick-release electric toothbrush grasping assembly of the present invention

The figure is as follows: 1. a handle; 2. a toothbrush head; 3. a drive motor; 4. a gripping assembly; 401. a housing; 402. a bevel gear; 403. a chuck; 404. a claw; 5. a drive assembly; 501. a drive shaft; 502. a drive bevel gear; 503. a grip; 6. an auxiliary bevel gear; 7. a storage battery; 8. and a controller.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the utility model discloses a quick detach electric toothbrush, including grab handle 1 and toothbrush head 2, be provided with driving motor 3 in the grab handle 1, still include and grip the subassembly 4, grip the subassembly 4 and include shell 401 and the bevel gear 402 of setting in shell 401, chuck 403 and three jack catch 404, the drive end of driving motor 3 is arranged in shell 401 and is with shell 401 rigid coupling, bevel gear 402 is rotationally installed in the drive end of driving motor 3, chuck 403 sets up above bevel gear 402 and with shell 401 rigid coupling, three jack catch 404 slidable installs on chuck 403, the upper surface of bevel gear 402 is provided with the screw thread, the jack catch 404 lower extreme passes chuck 403 and is formed with the tooth with the screw thread adaptation, jack catch 404 is suitable for the looks motion under the drive of screw thread in order to grab and hold 2, still include drive assembly 5, drive assembly 5 includes drive shaft 501 and drive bevel gear 502, drive shaft 501 one end sets up outside shell 401, the other end sets up in shell 401 and installs drive bevel gear 502, drive bevel gear 502 meshes with bevel gear 402.

In the present embodiment, the drive motor 3 is a linear drive motor.

When the toothbrush needs to be replaced, a user only needs to rotate the driving shaft 501 forward to drive the bevel gear 402 to rotate by driving the bevel gear 502, and then the three claws 404 are linked to move back to back by the threads on the bevel gear 402 to loosen the toothbrush head 2, so that the toothbrush head 2 can be taken down for replacement; when replacing, the brush head 2 is inserted into the housing 401 and placed at the middle position of the three pawls 404, and then the driving shaft 501 is rotated reversely so that the driving bevel gear 502 moves toward the three pawls 404 by the bevel gear 402, thereby enabling to hold the brush head 2.

Compared with the traditional mode that the toothbrush head 2 is connected with the driving motor 3 in a plug-in fit mode, the chuck 403, the bevel gear 402 and the clamping jaws 404 which are arranged in the toothbrush head clamping device are matched with the driving bevel gear 502, so that the clamping jaws 404 can move oppositely or backwards in a mode that the driving bevel gear 502 is linked with the bevel gear 402 to rotate, the toothbrush head 2 can be clamped or loosened, labor is saved, and the toothbrush head 2 is connected with the driving motor 3 more tightly.

Preferably, in order to facilitate the installation and positioning of the toothbrush head 2, a groove adapted to the toothbrush head 2 is formed at the center of the chuck 403 in this embodiment, so that when the toothbrush head 2 is installed, the toothbrush head 2 can be embedded into the groove for positioning, and the position of the toothbrush head 2 is prevented from shifting when the toothbrush head 2 is clamped by the claws 404.

Preferably, in order to facilitate the user to drive the driving shaft 501 to rotate, a grip 503 is installed at one end of the driving shaft 501 disposed outside the housing 401 in this embodiment, so as to facilitate the user to grasp.

In addition, in order to prevent the bevel gear 402 from being shifted up and down during the rotation, in this embodiment, a plurality of auxiliary bevel gears 6 engaged with the bevel gear 402 are further provided in the housing 401, the plurality of auxiliary bevel gears 6 are rotatably mounted on the inner wall of the housing 401 and are distributed in a circumferential array around the axis of the bevel gear 402, and the auxiliary bevel gears 6 are provided to limit the up and down displacement of the bevel gear 402 and to support the bevel gear 402.

Preferably, to avoid water accumulation on the surface of the housing 401 and reduce the probability of water flowing into the housing 401, the housing 401 is tapered in this embodiment to allow water to flow along the housing 401 during brushing.

In addition, for avoiding jack catch 404 fish tail or split toothbrush head 2, be provided with the rubber pad in this embodiment in jack catch 404 one side in opposite directions to can cushion the impact of jack catch 404 to toothbrush head 2, avoid jack catch 404 direct and toothbrush head 2 surface contact, lead to toothbrush head 2 surface fish tail.

For conveniently carrying the use, install battery 7 in grab handle 1 in this embodiment, and be provided with the interface on grab handle 1, the interface is connected with battery 7 electricity, the interface is suitable for connecting external power source, in order to conveniently be the power supply of battery 7, and simultaneously, learn electric toothbrush's charged state for the person of facilitating the use, still including setting up the display in grab handle 1 side in this embodiment, and for convenient control driving motor 3's start-up and closing, this embodiment still sets up controller 8 in grab handle 1, controller 8 and display, battery 7 and driving motor 3 are connected.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a quick detach electric toothbrush, includes grab handle (1) and toothbrush head (2), be provided with driving motor (3) in grab handle (1), its characterized in that: still include and grip subassembly (4), it includes shell (401) and sets up bevel gear (402), chuck (403) and three jack catch (404) in shell (401), the drive end of driving motor (3) is placed in shell (401) and with shell (401) rigid coupling, bevel gear (402) rotationally install in the drive end of driving motor (3), chuck (403) set up bevel gear (402) top and with shell (401) rigid coupling, three jack catch (404) slidable install in on chuck (403), bevel gear (402) upper surface is provided with the screw thread, jack catch (404) lower extreme passes chuck (403) and be formed with the tooth with the screw thread adaptation, jack catch (404) are suitable for under the drive of screw thread to move in opposite directions in order to grab toothbrush head (2), still include drive assembly (5), drive assembly (5) include drive shaft (501) and drive bevel gear (502), drive shaft (501) one end sets up outside shell (401), the other end sets up in shell (401) the bevel gear (502) is installed and drive bevel gear (502) and drive bevel gear (502).

2. The quick release electric toothbrush of claim 1, wherein: a handle (503) is arranged at one end of the driving shaft (501) arranged outside the shell (401).

3. The quick release electric toothbrush of claim 1, wherein: the bevel gear type solar cell module further comprises a plurality of auxiliary bevel gears (6) meshed with the bevel gears (402), wherein the plurality of auxiliary bevel gears (6) are rotatably arranged on the inner wall of the shell (401) and are distributed in a circumferential array by taking the axis of the bevel gears (402) as the center.

4. The quick release electric toothbrush of claim 3, wherein: the shell (401) is arranged in a conical shape.

5. The quick release electric toothbrush of claim 1, wherein: and a rubber pad is arranged on one face of each jaw (404) opposite to each other.

6. The quick-release electric toothbrush according to claim 1, characterized in that: a storage battery (7) is arranged in the grab handle (1).

7. The quick-release electric toothbrush according to claim 1, characterized in that: the handle (1) is provided with an interface, the interface is electrically connected with the storage battery (7), and the interface is suitable for being connected with an external power supply.

8. The quick release electric toothbrush of claim 1, wherein: still including setting up display and setting that are in grab handle (1) side are in controller (8) in grab handle (1), controller (8) with display, battery (7) and driving motor (3) are connected.