CN218528950U

CN218528950U - Electric toothbrush

Info

Publication number: CN218528950U
Application number: CN202222286187.9U
Authority: CN
Inventors: 姜常勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-02-28
Anticipated expiration: 2032-08-29

Abstract

The utility model belongs to the technical field of the toothbrush, especially, relate to an electric toothbrush, including toothbrush head and the brush holder of drive toothbrush head, the brush holder includes: the charging device comprises a shell, a charging connector and a charging connector, wherein an accommodating cavity is formed in the shell, and a charging socket communicated with the external environment and the accommodating cavity is formed in the bottom of the shell; and a bracket mounted in the accommodating cavity; the transmission part is arranged on the bracket, and the toothbrush head positioned at the top of the containing cavity is in driving connection with the transmission part; the power supply part is arranged on the bracket and is electrically connected with the transmission part; the waterproof ring has elasticity, and is attached to the inner surface of the charging socket; wherein, the waterproof ring is provided with a position avoiding hole penetrating through the two ends of the waterproof ring; wherein the electric toothbrush comprises a charged state and a non-charged state; in the charging state, the charging head is sequentially inserted into the charging socket and the avoiding hole and is electrically connected with the power supply part, and the avoiding hole is normally opened; wherein, under the non-charging state, the waterproof ring is extruded, and the position avoiding hole is normally closed to seal the charging socket; thus, the potential safety hazard is solved.

Description

Electric toothbrush

Technical Field

The utility model belongs to the technical field of the toothbrush, especially, relate to an electric toothbrush.

Background

Along with the rapid development of economy and the improvement of living standard of people, the electric toothbrush is popular among people due to the advantages of high tooth brushing frequency, good cleaning effect, convenient use and the like. According to the operating principle, the conventional electric toothbrushes are classified into a rotary electric toothbrush for cleaning the oral cavity by the rotation of the brush head and a sonic electric toothbrush for cleaning the oral cavity by the high frequency vibration of the brush head.

At present, the charging structure of many electric toothbrushes is designed to be a direct-insertion structure with a power line, and when charging is needed, the power line is directly inserted into the bottom of the electric toothbrush, so that the charging process can be realized; but extract the power cord after, there is the hole of charging inside intercommunication electric toothbrush's bottom, and electric toothbrush often places in there is the place of water, so, electric toothbrush damages because of intaking easily, has the potential safety hazard.

In view of the above, it is desirable to provide an electric toothbrush with waterproof function to overcome the disadvantages of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric toothbrush, the hole of charging that aims at solving electric toothbrush among the prior art is intake easily, leads to electric toothbrush to damage easily to there is the technical problem of potential safety hazard.

In order to achieve the above objects, an embodiment of the present invention provides an electric toothbrush, which comprises a toothbrush head and a brush handle for driving the toothbrush head, wherein the brush handle comprises:

the charging device comprises a shell, a charging connector and a charging connector, wherein an accommodating cavity is formed in the shell, and a charging socket communicated with an external environment and the accommodating cavity is formed in the bottom of the shell;

and

the bracket is arranged in the accommodating cavity;

the transmission part is arranged on the bracket, and the toothbrush head positioned at the top of the accommodating cavity is in driving connection with the transmission part;

the power supply part is arranged on the bracket and is electrically connected with the transmission part; and

a waterproof ring having elasticity, and an outer ring of the waterproof ring being attached to an inner surface of the charging inlet to cover the charging inlet;

the middle part of the waterproof ring is provided with a position avoiding hole penetrating through the two ends of the waterproof ring;

wherein the electric toothbrush comprises a charged state and a non-charged state;

in the charging state, a charging head is sequentially inserted into the charging socket and the avoiding hole and is electrically connected with the power supply part, and the avoiding hole is normally opened;

wherein, under the non-charging state, waterproof circle receives the extrusion, keep away the position hole normal close in order to seal charging socket.

Optionally, the bottom of the bracket is provided with a first limiting enclosure, and the waterproof ring is mounted on an inner ring of the first limiting enclosure.

Optionally, the inner wall of the bottom of the accommodating cavity is provided with a second limiting enclosure, and an inner ring of the second limiting enclosure is in clamping fit with an outer ring of the first limiting enclosure.

Optionally, the inner wall of the top of the accommodating cavity is provided with at least two first protrusions, and the bracket is provided with a first clamping groove matched with the first protrusions in a clamping manner.

Optionally, the power supply section includes:

a circuit board mounted to the bracket;

the control switch is arranged on the shell and is electrically connected with the circuit board;

the battery is arranged on the bracket and is electrically connected with the circuit board; and

and the connector is arranged on the bracket and is respectively and electrically connected with the circuit board and the charging head.

Optionally, the transmission portion comprises:

the motor is arranged on the bracket and is electrically connected with the circuit board; and

and one end of the transmission rod is connected to the output end of the motor, and the other end of the transmission rod is connected to the toothbrush head.

Optionally, the avoiding hole and the charging socket are coaxially arranged.

Optionally, the waterproof ring is made of silica gel.

Optionally, the outer ring of the waterproof ring protrudes to form a sealing ring, and the sealing ring is attached to the inner surface of the charging socket.

Optionally, the toothbrush head has:

a connecting section having one end connected to the other end of the driving rod, an

And the cleaning section is connected to the other end of the connecting section.

The embodiment of the utility model provides an among the electric toothbrush above-mentioned one or more technical scheme have one of following technological effect at least: the electric toothbrush of the utility model is provided with a waterproof ring on the inner surface of the charging socket, the waterproof ring is cylindrical, and the waterproof ring is provided with avoiding holes running through the two ends of the waterproof ring in the central direction; in a charging state, the charging head is sequentially inserted into the charging socket and the avoiding hole and is electrically connected with the power supply part, so that the charging process can be realized, and the avoiding hole is in a normally open state; in a non-charging state, the waterproof ring has elasticity, and the avoidance hole is normally closed due to the fact that the waterproof ring is extruded by external force in the accommodating cavity, so that the charging socket can be sealed, and moisture in the external environment is prevented from permeating from the charging socket to damage a plurality of parts in the accommodating cavity; the potential safety hazard that exists generally at present has been solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an electric toothbrush according to an embodiment of the present invention.

Fig. 2 is a sectional view of the electric toothbrush according to the embodiment of the present invention.

Fig. 3 is a partial sectional view of an electric toothbrush according to an embodiment of the present invention.

Fig. 4 is another partial cross-sectional view of the electric toothbrush according to the embodiment of the present invention.

Figure 5 is a cross-sectional view of a toothbrush head according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a cleaning section of the toothbrush head provided by the embodiment of the utility model.

Fig. 7 is a schematic structural view of a connecting section of a toothbrush head provided by an embodiment of the invention.

Wherein, in the figures, the respective reference numerals:

10. a toothbrush head; 11. a connection section; 12. a cleaning section;

111. a clamping block; 112. positioning a projection; 113. a mounting cavity;

114. grooving; 121. brushing; 122. a clamping groove;

123. a positioning groove; 124. a process tank; 125. a pressure relief cavity;

126. a flow directing flange;

20. a brush handle; 21. a housing; 22. a support;

23. a transmission part; 24. a power supply unit; 25. a waterproof ring;

211. an accommodating chamber; 212. a charging jack; 213. the second limit surrounds;

214. a first protrusion; 221. the first limit surrounds; 222. a first card slot;

251. avoiding holes; 30. a charging head.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the embodiments of the present invention, and should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description of the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 2, there is provided an electric toothbrush comprising a toothbrush head 10 and a brush handle 20 for driving the toothbrush head 10, the brush handle 20 comprising a housing 21, a holder 22, a transmission part 23, a power source part 24 and a waterproof ring 25.

Wherein, set up in casing 21 and hold chamber 211, the charging socket 212 of intercommunication external environment and holding chamber 211 is seted up to the bottom of casing 21.

Wherein the bracket 22 is installed in the accommodating cavity 211.

Wherein, the transmission part 23 is installed on the bracket 22, and the toothbrush head 10 at the top of the containing cavity 211 is in driving connection with the transmission part 23.

The power supply unit 24 is mounted on the bracket 22, and the power supply unit 24 is electrically connected to the transmission unit 23.

The waterproof ring 25 has elasticity, the outer ring of the waterproof ring 25 is attached to the inner surface of the charging socket 212 to cover the charging socket, the outer ring of the waterproof ring 25 is closely attached to the inner surface of the charging socket 212 to prevent moisture from passing between the outer ring of the waterproof ring 25 and the inner surface of the charging socket 212;

wherein, the middle part of the waterproof ring 25 is provided with a position avoiding hole 251 which runs through the two ends of the waterproof ring.

Wherein the electric toothbrush includes a charged state and a non-charged state.

In the charging state, the charging head 30 is inserted into the charging socket 212 and the avoiding hole 251 in sequence and electrically connected to the power supply unit 24, and the avoiding hole 251 is normally open.

In the non-charging state, the waterproof ring 25 is squeezed, and the avoiding hole 251 is normally closed to close the charging socket 212.

Specifically, the electric toothbrush of the present invention has a waterproof ring 25 disposed on the inner surface of the charging socket 212, the waterproof ring 25 is cylindrical, and the waterproof ring 25 is provided with clearance holes 251 penetrating through two ends of the waterproof ring in the central direction thereof; in the charging state, the charging head 30 is sequentially inserted into the charging socket 212 and the avoiding hole 251 and is electrically connected with the power supply part 24, so that the charging process can be realized, the avoiding hole 251 at the moment belongs to a normally open state, and the avoiding hole 251 is tightly attached to the charging head 30 to avoid moisture entering; in a non-charging state, the waterproof ring 25 has elasticity, and the avoiding hole 251 is normally closed because the waterproof ring 25 is extruded by external force in the accommodating cavity 211, so that the charging socket 212 can be closed, and moisture in the external environment is prevented from permeating from the charging socket 212 to damage a plurality of parts in the accommodating cavity 211; the potential safety hazard universally existing at present is solved.

In another embodiment of the present invention, as shown in fig. 1 to 7, the bottom of the bracket 22 is provided with a first limit enclosure 221, and the inner ring of the first limit enclosure 221 is provided with a waterproof ring 25.

In another embodiment of the present invention, the outer ring of the waterproof ring 25 is protruded to form a sealing ring, and the sealing ring is attached to the inner surface of the charging socket 212. Specifically, waterproof circle 25 has the front and the back of relative setting, waterproof circle 25's the back sets up towards the direction of power supply unit 24, the sealing washer sets up on waterproof circle 25's front, waterproof circle 25's front is the low high structure setting all around in middle part, waterproof circle 25 receives the extrusion back, the medial surface of casing 21 is hugged closely in waterproof circle 25's front, the medial surface of casing 21 is hugged closely equally to the sealing washer receives the extrusion back, the sealing washer realizes the secondary waterproof all around waterproof circle 25, further improve water-proof effects.

Specifically, the bottom of the bracket 22 is provided with a first limit enclosure 221, an opening direction of the first limit enclosure 221 faces the bottom of the accommodating cavity 211, the waterproof ring 25 is mounted at an inner ring of the first limit enclosure 221, and a diameter of the waterproof ring 25 is larger than that of the first limit enclosure 221, so that the waterproof ring 25 is squeezed by the inner ring of the first limit enclosure 221, thereby ensuring that the normally-closed position of the avoiding hole 251 is maintained in a non-charging state to close the charging socket 212.

In another embodiment of the present invention, as shown in fig. 1 to 7, a second spacing surrounding 213 is disposed on the inner wall of the bottom of the accommodating cavity 211, and the inner ring of the second spacing surrounding 213 is adapted to the outer ring clamp of the first spacing surrounding 221.

Specifically, hold and be equipped with the spacing 213 of surrounding of second on the inner wall of chamber 211 bottom, the spacing opening direction that surrounds 213 of second is towards first spacing 221 that surrounds, and during installing support 22, insert the spacing inner circle that surrounds 213 of second with the outer lane of first spacing 221 that surrounds, can realize quick joint adaptation, the precision is high, and it is convenient to install.

In another embodiment of the present invention, as shown in fig. 1 to 7, at least two first protrusions 214 are disposed on the inner wall of the top of the accommodating cavity 211, and a first engaging groove 222 adapted to engage with the first protrusions 214 is disposed on the bracket 22.

Specifically, after the first position-limiting enclosure 221 at the bottom of the bracket 22 is inserted into the second position-limiting enclosure 213, the first protrusion 214 on the bracket 22 is in clamping fit with the first clamping groove 222, so that the bracket 22 is clamped conveniently, and the bracket 22 is prevented from loosening.

In another embodiment of the present invention, as shown in fig. 1 to 7, the power supply portion 24 includes a circuit board, a control switch, a battery, and a connector. The circuit board is mounted to the bracket 22; the control switch is arranged on the shell 21 and is electrically connected with the circuit board; the battery is arranged on the bracket 22 and is electrically connected with the circuit board; the connectors are mounted to the bracket 22 and electrically connected to the circuit board and the charging head 30, respectively.

Specifically, the power toothbrush can be turned on and off by pressing a control switch on the housing 21, the battery supplies power, and the charging head 30 can be inserted into the connector to charge when charging is required, which is prior art and will not be described in detail.

In another embodiment of the present invention, as shown in fig. 1 to 7, the transmission part 23 includes a motor and a transmission rod. The motor is mounted to the bracket 22 and is electrically connected to the circuit board. One end of the transmission rod is connected to the output end of the motor, and the other end thereof is connected to the toothbrush head 10.

Specifically, the motor drives the driving rod to vibrate, thereby driving the toothbrush head 10 to vibrate, which is prior art and will not be described in detail.

In another embodiment of the present invention, as shown in fig. 1 to 7, the avoiding hole 251 and the charging socket 212 are coaxially disposed.

Specifically, the relief hole 251 and the charging socket 212 are coaxial, which facilitates insertion of the charging head 30.

In another embodiment of the present invention, as shown in fig. 1 to 7, the waterproof ring 25 is made of silica gel.

Specifically, the waterproof ring 25 is made of silica gel, so that the waterproof ring can be better attached to the inner surface of the charging socket 212, and the waterproof performance is ensured.

In another embodiment of the present invention, as shown in fig. 1-7, the charging head 30 is a DC male head.

Specifically, the charging head 30 is a solid DC male head, which can prevent moisture from permeating into the DC male head, and avoid the occurrence of a water inlet short circuit phenomenon.

In another embodiment of the invention, shown in figures 1-7, a toothbrush head 10 has a connecting section 11 and a cleaning section 12. One end of the connecting section 11 is connected to the other end of the transmission rod. The cleaning section 12 is connected to the other end of the connecting section 11, and the cleaning section 12 has bristles 121.

Wherein, a clamping structure is formed between the connecting section 11 and the cleaning section 12.

Wherein the length of the connecting section 11 is greater than the length of the cleaning section 12.

Specifically, the toothbrush head 10 of the utility model is composed of a connecting section 11 and a cleaning section 12; when teeth need to be cleaned, the transmission rod of the electric toothbrush transmits power to the connecting section 11, and then the connecting section 11 transmits the power to the cleaning section 12, so that the teeth are cleaned mainly through the bristles 121 of the cleaning section 12; after the cleaning section 12 is used for a long time, the cleaning section 12 needs to be replaced, in the product, a clamping structure is particularly formed between the connecting section 11 and the cleaning section 12, and the length of the cleaning section 12 is shorter than that of the connecting section 11; that is, compared with the conventional toothbrush head 10, the product only needs to replace the cleaning section 12 without replacing the connecting section 11, so that the cost spent on each replacement is reduced, and the economic burden of the consumer is reduced; moreover, the waste amount of the connecting section 11 is greatly reduced, and the environment is protected.

In another embodiment of the present invention, as shown in fig. 1 to 7, a clamping groove 122 is formed on the cleaning section 12, and a clamping block 111 adapted to the inner wall clamping of the clamping groove 122 is disposed on the connecting section 11.

Specifically, joint piece 111 and joint groove 122 joint adaptation to realize the installation and the dismantlement of clean section 12 and linkage segment 11, when so needing to change clean section 12, need not to communicate linkage segment 11 and change together, so, be favorable to the environmental protection.

In another embodiment of the present invention, as shown in fig. 1 to 7, at least two positioning grooves 123 are disposed on the inner wall of the clamping groove 122, and the clamping block 111 is provided with a positioning protrusion 112 adapted to the inner wall clamping of the positioning groove 123.

Specifically, positioning protrusion 112 and positioning groove 123 are adapted in a clamping manner, so that cleaning section 12 and connecting section 11 are tightly mounted, and cleaning section 12 can be prevented from shaking during use.

In another embodiment of the present invention, as shown in fig. 1 to 7, a process groove 124 communicated with the fastening groove 122 is further disposed on the cleaning section 12.

Specifically, be provided with technology groove 124 through drawing the material mode in the clean section 12, technology groove 124 and joint groove 122 intercommunication, so, guarantee that clean section 12 atress is even, compare current fluting 114, can prevent that the outward appearance from warping.

In another embodiment of the present invention, as shown in fig. 1 to 7, the cleaning section 12 is further provided with a pressure relief cavity 125 communicated with the clamping groove 122.

Specifically, a pressure relief cavity 125 is formed in the cleaning section 12, and the pressure relief cavity 125 is communicated with the clamping groove 122, so that the cleaning section 12 and the connecting section 11 can be clamped in place.

In another embodiment of the present invention, as shown in fig. 1 to 7, a flow guiding flange 126 is disposed on the outer side of the cleaning section 12, and the flow guiding flange 126 is located at the joint of the cleaning section 12 and the connecting section 11.

Specifically, the joint of the cleaning section 12 and the connecting section 11 is provided with a diversion flange 126, so that the moisture in the external environment can be guided to a position outside the joint, and the moisture in the external environment is prevented from entering the clamping groove 122.

In another embodiment of the present invention, as shown in fig. 1 to 7, a mounting cavity 113 for inserting the transmission rod is disposed on the connecting section 11.

Specifically, the connecting section 11 is provided with a mounting cavity 113, the shape of the mounting cavity 113 is matched with the shape of the transmission rod, and the transmission rod can be well matched with the mounting cavity 113 after being inserted into the mounting cavity 113.

In another embodiment of the present invention, as shown in fig. 1 to 7, a slot 114 for installing a sealing ring is provided on the connecting section 11, and the outer ring of the sealing ring is adapted to the housing 21 of the electric toothbrush in a clamping manner.

Specifically, the connecting section 11 is provided with a groove 114 arranged in an annular shape, the groove 114 is internally provided with a sealing ring, and after the connecting section 11 is inserted into the shell 21 of the electric toothbrush, moisture can be prevented from entering the shell 21, so that a waterproof function is achieved.

In another embodiment of the present invention, as shown in fig. 1 to 7, a buffer washer is disposed at the connection portion of the connection section 11 and the housing 21.

Specifically, the joint of the connection segment 11 and the housing 21 is provided with a cushion washer, so that the connection segment 11 and the housing 21 can be prevented from colliding.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. An electric toothbrush comprising a toothbrush head and a handle for driving the toothbrush head, the handle comprising:

and

the bracket is arranged in the accommodating cavity;

the middle part of the waterproof ring is provided with a position avoiding hole penetrating through two ends of the waterproof ring;

2. The electric toothbrush of claim 1, wherein: the bottom of support is equipped with first spacing and surrounds, the inner circle that first spacing surrounds is installed waterproof circle.

3. The electric toothbrush of claim 2, wherein: the inner wall of the bottom of the accommodating cavity is provided with a second limiting enclosure, and the inner ring of the second limiting enclosure is matched with the outer ring of the first limiting enclosure in a clamping manner.

4. The electric toothbrush of claim 3, wherein: the inner wall of the top of the accommodating cavity is provided with at least two first bulges, and the bracket is provided with a first clamping groove matched with the first bulges in a clamping manner.

5. The electric toothbrush according to any one of claims 1 to 4, wherein: the power supply section includes:

a circuit board mounted on the bracket;

6. The powered toothbrush as defined in claim 5, wherein: the transmission portion includes:

7. The electric toothbrush according to any one of claims 1 to 4, wherein: the position avoiding hole and the charging socket are arranged coaxially.

8. The electric toothbrush according to any one of claims 1 to 4, wherein: the waterproof ring is made of silica gel.

9. The electric toothbrush according to any one of claims 1 to 4, wherein: the outer ring of the waterproof ring is raised to form a sealing ring, and the sealing ring is attached to the inner surface of the charging socket.

10. The powered toothbrush as defined in claim 6, wherein: the toothbrush head has: