CN212369108U

CN212369108U - Electric sound wave toothbrush

Info

Publication number: CN212369108U
Application number: CN201922274887.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2021-01-19
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to an electric sound wave toothbrush, which comprises a host and a liquid storage device connected with the host, wherein the host comprises a shell, a sound wave motor and a pump, the sound wave motor and the pump are arranged in the shell, the sound wave motor comprises a central shaft used for installing a brush head and outputting sound wave vibration, and a liquid inlet of the pump is communicated with the liquid storage device so as to absorb liquid in the liquid storage device; the central shaft comprises a liquid guide hole which is axially communicated with a liquid outlet of the pump so as to convey liquid from the pump to the brush head. The utility model provides an electric sound wave toothbrush utilizes the center pin of sound wave motor as liquid conveying pipeline, has simplified electric sound wave toothbrush's liquid conveying structure, has promoted the reliability, has reduced whole size.

Description

Electric sound wave toothbrush

Technical Field

The utility model relates to a toothbrush field, more specifically say, relate to an electronic sound wave toothbrush.

Background

The related art electric toothbrushes, which generally remove stains from teeth by means of high frequency vibration, have a better tooth cleaning effect than the conventional manual toothbrushes. However, the traditional toothpaste applying method is still adopted when applying toothpaste, which brings inconvenience to users.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an improved electric sound wave toothbrush.

The utility model provides a technical scheme that its technical problem adopted is: an electric sound wave toothbrush is constructed, and the electric sound wave toothbrush comprises a host machine and a liquid storage device connected with the host machine, wherein the host machine comprises a shell, a sound wave motor and a pump, the sound wave motor and the pump are arranged in the shell, the sound wave motor comprises a central shaft used for mounting a brush head and outputting sound wave vibration, and a liquid inlet of the pump is communicated with the liquid storage device so as to absorb liquid in the liquid storage device; the central shaft comprises a liquid guide hole which is axially communicated with a liquid outlet of the pump so as to convey liquid from the pump to the brush head.

In some embodiments, the reservoir is removably connected to the host.

In some embodiments, the pump pressure is less than 20 psi.

In some embodiments, the pump is a diaphragm pump and the pump has a pressure of 5-15 psi.

In some embodiments, the electric sonic toothbrush further comprises a brush head connected with the central shaft, the brush head comprises a shaft part mounted on the central shaft and bristles connected to the shaft part, the shaft part comprises a central through hole communicated with the liquid guide hole, and the brush head further comprises a liquid outlet hole communicating the central through hole with the bristles.

In some embodiments, the shaft is removably mounted to the central shaft.

In some embodiments, the housing is cylindrical, the sonic motor and the pump are axially mounted in the housing, the sonic motor is disposed near a front end of the housing, and the pump is disposed near a rear end of the housing; a fluid outlet of the pump is disposed at an end of the pump adjacent the sonic motor.

In some embodiments, the liquid outlet is in communication with a central shaft of the sonic motor via a conduit.

In some embodiments, the electric sonic toothbrush includes a rechargeable battery disposed within the housing and in a side-by-side arrangement with the pump.

In some embodiments, the electric sonic toothbrush includes a frame disposed within the housing, the sonic motor and the pump being disposed in the frame.

The utility model discloses following beneficial effect has: the electric sound wave toothbrush utilizes the central shaft of the sound wave motor as a liquid conveying pipeline such as liquid toothpaste, simplifies the liquid conveying structure of the electric sound wave toothbrush, improves the reliability and reduces the whole size.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a perspective view of an electric sonic toothbrush in accordance with certain embodiments of the present invention;

FIG. 2 is a schematic perspective exploded view of the powered acoustic toothbrush of FIG. 1;

FIG. 3 is a schematic longitudinal cross-sectional view of the powered acoustic toothbrush of FIG. 1;

fig. 4 is a perspective exploded view of a main body of the electric sonic toothbrush shown in fig. 1.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

Fig. 1 to 3 show an electric sound wave toothbrush 1 according to some embodiments of the present invention, in which the electric sound wave toothbrush 1 can clean teeth by ultrasonic vibration and can automatically discharge liquid toothpaste. The electric sonic toothbrush 1 may include, in some embodiments, a hand-grippable cylindrical main body 10, a brush head 20 detachably mounted to a front end of the main body 10, and a reservoir 30 detachably mounted to a rear end of the main body 10. The front end of the columnar main body 10 can output ultrasonic vibration and transmit the vibration to the brush head 20 mounted thereon, so that the cleaning of the teeth of the user is realized by the ultrasonic vibration of the brush head 20. The liquid storage device 30 is used for storing liquid toothpaste, and the main machine 10 can convey the liquid toothpaste in the liquid storage device 30 to the brush head so as to realize the function of automatically discharging the toothpaste. It will be appreciated that the powered acoustic toothbrush 1 is not limited to delivering liquid toothpaste, but may also deliver liquid medication, etc.

Referring to fig. 4 together, the main body 10 may in some embodiments include a cylindrical housing 11, and a sonic motor 12 and a pump 13 axially disposed within the housing 11, wherein the sonic motor 12 is disposed near a front end of the main body 10, and the pump 13 is disposed near a rear end of the main body 10, and both are in fluid communication, such that liquid toothpaste pumped from the reservoir 30 by the pump 13 can be delivered to the brush head 20 via the sonic motor 12.

The host 10 may also include, in some embodiments, a bracket 14 for mounting the sonic motor 12 and the pump 13, a main board 15 mounted on the bracket 14, a front cover 16 mounted on the front end of the housing 11, a rear cover 17 mounted on the rear end of the housing 11, a rechargeable battery 18 mounted on the bracket 14, and a charging connector 19 mounted on the housing 11 and electrically connected to the battery 18. The rear cap 17 has an opening 170 at a lower end thereof, and an inner wall surface of the opening is internally threaded to be threadedly coupled with the reservoir 30. In some embodiments, the battery 18 is arranged side by side with the pump 13 in order to save installation space. The main board 15 is used to arrange a control circuit to control the operation of the entire electric acoustic wave toothbrush 1.

As shown in fig. 3, the acoustic motor 12 may include a motor body 121, a central shaft 122 penetrating through the motor body 121, and a sealing sleeve 123 covering the central shaft 122, wherein two ends of the central shaft 122 are respectively exposed out of the motor body 121 and have a longitudinal liquid guiding hole 1220. The sound wave motor 12 can be improved based on the magnetic vibration motor described in chinese patent No. 201821082271.6 in some embodiments, that is, a longitudinal liquid guiding hole 1220 is formed on the central shaft of the magnetic vibration motor, so that the central shaft 122 can transport liquid while having an output vibration function, thereby reducing the structural complexity of the electric sound wave toothbrush 1 on one hand, improving the structural reliability, and effectively reducing the volume of the whole electric sound wave toothbrush 1 on the other hand, which is convenient for the user to use and carry.

The pump 13 may in some embodiments employ a miniature diaphragm pump to output a constant pulse-free jet. The pump 13 may include a pump body 130, and an inlet 131 and an outlet 132 respectively connected to the pump body 130, the inlet 131 may be communicated with the reservoir 30 via a first conduit 133, and the outlet 132 may be communicated with a liquid guide hole 1220 of the central shaft 122 of the sonic motor 12 via a second conduit 134. The specific structure of the pump 13 can be found in U.S. patent application publication No. US20190008618a 1. The pressure of the pump 13 is in some embodiments less than 20psi to reduce power consumption as much as possible to increase the life of the battery or, equivalently, to reduce the volume of the battery as much as possible, while satisfying the need for automatic ejection of liquid dentifrice. In some embodiments, the pressure of the pump 13 ranges from 5 to 15 psi.

The brush head 20 may in some embodiments comprise a shaft 21 detachably fitted on a sealing sleeve 123 on the central shaft 122 of the sonic motor 12, and bristles 22 disposed at the end of the shaft 21, wherein the shaft 21 has a central through hole 210, and the central through hole 210 communicates with a liquid guide hole 1220 of the central shaft 122 of the sonic motor 12. Head 20 also includes exit openings 220 that communicate central bore 210 with bristles 22 to allow toothpaste to be sprayed onto bristles 22. In some embodiments, a foam-generating structure may also be provided on head 20 to provide a foam-like output of the liquid dentifrice.

The reservoir 30 in some embodiments includes a body 31 and a neck 32 disposed above the body 31, and an outer wall surface of the neck 32 is formed with an external thread 321 to be screwed with the main body 10.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An electric sound wave toothbrush comprises a host machine and a liquid storage device connected with the host machine, wherein the host machine comprises a shell, a sound wave motor and a pump, the sound wave motor and the pump are arranged in the shell, the sound wave motor comprises a central shaft used for mounting a brush head and outputting sound wave vibration, and the pump comprises a liquid inlet communicated with the liquid storage device; the brush head is characterized in that the central shaft comprises a liquid guide hole which is axially communicated with a liquid outlet of the pump, so that liquid from the pump is conveyed to the brush head.

2. The electric acoustic toothbrush of claim 1, wherein the reservoir is removably connected to the main body.

3. The electric sonic toothbrush of claim 1, wherein the pump has a pressure of less than 20 psi.

4. The electric sonic toothbrush of claim 3, wherein the pump is a diaphragm pump and the pump has a pressure of 5-15 psi.

5. The electric sonic toothbrush of any one of claims 1-4 further comprising a head connected to the central shaft, the head comprising a stem mounted to the central shaft and bristles connected to the stem, the stem comprising a central bore in communication with the liquid-conducting aperture, the head further comprising a liquid outlet aperture in communication with the central bore and the bristles.

6. The electric sonic toothbrush of claim 5 wherein the stem is removably mounted to the central shaft.

7. The electric sonic toothbrush of any of claims 1-4, wherein the housing is cylindrical, the sonic motor and the pump being axially mounted in the housing, the sonic motor being disposed proximate a front end of the housing, the pump being disposed proximate a rear end of the housing; a fluid outlet of the pump is disposed at an end of the pump adjacent the sonic motor.

8. The electric acoustic toothbrush of claim 7, wherein the liquid outlet is in communication with a central shaft of the acoustic motor via a conduit.

9. The electric sonic toothbrush of any of claims 1-4, which includes a rechargeable battery disposed within the housing and in a side-by-side arrangement with the pump.

10. The electric sonic toothbrush of any one of claims 1-4, which includes a frame disposed within the housing, the sonic motor and the pump being disposed in the frame.