Toothbrush cover structure and electric toothbrush

Abstract

The present application relates to a toothbrush cover structure and an electric toothbrush, and relates to the technical field of toothbrush devices.The toothbrush cover of the present application comprises a shell, the shell has a containing cavity for containing a toothbrush head, a heating assembly is arranged on the shell, the heating assembly can dry the toothbrush head or heat the liquid in the containing cavity when the shell is used as a container.The present application can avoid the growth of bacteria caused by water accumulation on the brush head, and the cover structure can also be used as a container, thereby improving the user experience.

Description

Technical Field

[0001] This invention relates to the field of toothbrush device technology, and particularly to a toothbrush cover structure and an electric toothbrush. Background Technology

[0002] With the impact of the pandemic and other factors, people's awareness of oral health and hygiene has gradually increased. Electric toothbrushes are products that have emerged to meet consumers' essential needs for oral care. However, a common problem with electric toothbrushes on the market is that water can accumulate on the brush head after use, easily leading to bacterial growth. The dust covers they come with only provide basic dust protection, and sealing the brush head inside without ventilation further promotes bacterial growth. For users without water heaters at home, using ice water to brush their teeth in winter, or even directly pouring boiling water, greatly affects the brushing experience for those with sensitive gums and poses a risk of gum damage. Summary of the Invention

[0003] This invention provides a toothbrush cover structure and an electric toothbrush, which prevents water accumulation and bacterial growth in the brush head; the cover structure can also be used as a container, improving the user experience.

[0004] In a first aspect, the present invention provides a toothbrush cover structure, including a housing having a receiving cavity for accommodating a toothbrush head, and a heating component disposed on the housing, the heating component being capable of drying the toothbrush head or heating liquid in the receiving cavity when the housing is used as a container.

[0005] In one embodiment, the housing includes an inner housing and an outer housing, with a cavity formed between the inner housing and the outer housing. This cavity allows for heat exchange with the accommodating cavity. This embodiment enables heat transfer from the accommodating cavity to the cavity. When the housing is used as a container, if the temperature of the solution injected into the housing is too high, heat transfer can reduce the solution's temperature, improving the user experience.

[0006] In one embodiment, the interlayer cavity is encapsulated with a filling liquid. In this embodiment, the filling liquid is a coolant, which increases the cooling rate of the solution within the cavity.

[0007] In one embodiment, a button is provided through the housing, which can contact the switch contacts of the heating component, and a sealing structure is provided between the button and the housing. This embodiment, by providing a sealing structure, prevents leakage of liquid within the accommodating cavity during button use.

[0008] In one embodiment, the heating assembly includes a heating element and a power supply unit electrically connected to the heating element, the heating element being in contact with the cavity wall of the accommodating cavity. In this embodiment, the heating element is a heating wire or a heating film, which heats the cavity wall of the control cavity, ensuring uniform heating of the fluid within the accommodating cavity.

[0009] In one embodiment, the heating assembly further includes a bracket, and the power supply unit is disposed on the bracket. In this embodiment, the bracket provides support and fixation for both the power supply unit and the bracket.

[0010] In one embodiment, the support of the heating assembly and the inner housing are separated in the interlayer cavity to form a sealed cavity, and the heating element and power supply unit of the heating assembly are located within the sealed cavity. This embodiment isolates the power supply unit and the heating element, preventing them from contacting the liquid within the interlayer cavity and thus protecting them.

[0011] In one embodiment, the inner shell is made of a thermally conductive material, and the outer shell is made of a thermally insulating material. This embodiment ensures that the inner shell has good thermal conductivity and the outer shell has good thermal insulation; even when the inner shell temperature rises, the user can hold the outer shell without getting burned.

[0012] In one embodiment, the housing is provided with a connecting structure at the inlet and outlet edges corresponding to the receiving cavity. When the toothbrush head is housed in the receiving cavity, the housing is detachably connected to the toothbrush body containing the toothbrush head via the connecting structure. This embodiment maintains the integrity of the housing and the toothbrush body when the toothbrush head is housed in the receiving cavity, making it convenient to carry.

[0013] Secondly, the present invention provides an electric toothbrush, including the toothbrush cover as described above.

[0014] Compared with the prior art, the advantages of the present invention are that when the toothbrush head is placed in the accommodating cavity, the housing serves as a dustproof function, while the heating component can heat the air in the accommodating cavity to dry the toothbrush head, thus preventing water accumulation and bacterial growth on the toothbrush head over a long period of time; when the housing is used as a container, the heating component can heat the liquid inside the housing, improving the user experience. Attached Figure Description

[0015] The invention will now be described in more detail with reference to embodiments and the accompanying drawings.

[0016] Figure 1 This is a cross-sectional schematic diagram of the toothbrush cover structure of the present invention;

[0017] Figure 2A three-dimensional schematic diagram of the toothbrush cap structure and the toothbrush head;

[0018] Figure 3 This is a partial schematic diagram of the connecting structure when the toothbrush head is located inside the accommodating cavity.

[0019] Figure label:

[0020] 10. Shell; 11. Inner shell; 111. Accommodating cavity; 12. Outer shell; 121. Interlayer cavity; 122. Connecting structure; 20. Toothbrush head; 21. Toothbrush body; 30. Button; 41. Heating element; 42. Power supply unit; 43. Bracket; 44. Sealed cavity. Detailed Implementation

[0021] The invention will now be further described with reference to the accompanying drawings.

[0022] Example 1

[0023] The present invention provides a toothbrush cover structure, including a housing 10, the housing 10 having a receiving cavity 111 for receiving a toothbrush head 20, and a heating component provided on the housing 10, the heating component being able to dry the toothbrush head 20 or heat the liquid in the receiving cavity 111 when the housing 10 is used as a container.

[0024] Specifically, such as Figure 2 The housing 10 has a cylindrical shape with one end open and the other end closed. When the heating component dries the toothbrush head 20, the toothbrush head 20 is located inside the accommodating cavity 111 and does not contact the cavity wall of the accommodating cavity 111. The heating component essentially heats the cavity wall of the accommodating cavity 111 first, thereby heating the air inside the accommodating cavity 111, and then evaporating the liquid on the toothbrush head 20. The evaporated water vapor can flow along the inner wall of the accommodating cavity 111 and out of the accommodating cavity 111 through the open end.

[0025] Furthermore, when the housing 10 is used as a dust cover, it can be directly assembled with the electric toothbrush body 21 to accommodate the brush head and prevent it from getting dusty. Simultaneously, a heating wire is installed inside the housing 10 to heat the entire housing 10, thereby drying the damp toothbrush head 20 and preventing bacterial growth, ensuring the user's oral health. When the housing 10 is used as a mouthwash cup container, the internal heating wire heats the housing 10, allowing the user to heat the ice water before pouring it in, preventing ice water from irritating the gums and improving the brushing experience for users with sensitive gums.

[0026] like Figure 1As shown, the housing 10 includes an inner housing 11 and an outer housing 12, with a sandwich cavity 121 formed between the inner housing 11 and the outer housing 12. The sandwich cavity 121 and the accommodating cavity 111 can exchange heat. This allows heat to be transferred from the accommodating cavity 111 to the sandwich cavity 121. When the housing 10 is used as a container, if the temperature of the solution injected into the housing 10 is too high, the solution temperature can be reduced through heat transfer, improving the user experience. The sandwich cavity 121 is encapsulated with a filling liquid. The filling liquid is a coolant, which increases the cooling rate of the solution in the accommodating cavity 111. When the housing 10 is used as a mouthwash cup container, the double-layer structure is filled with a filling liquid that absorbs heat. When the user pours in hot water, the filling liquid absorbs the heat of the hot water, cooling it down. This eliminates the need for the user to add cold water to adjust the water temperature, simplifying the preparation before brushing and improving the user experience.

[0027] Specifically, the inner shell 11 has a similar external structure to the outer shell 12. The cavity inside the inner shell 11 is the receiving cavity 111. The inner shell 11 and the outer shell 12 are connected at the inlet and outlet of the receiving cavity 111, forming a sealed structure for the interlayer cavity 121. A through-hole communicating with the interlayer cavity 121 can be opened on the outer shell 12 for injecting filling liquid, and a plug is fitted at the through-hole. Furthermore, the inner shell 11 is a certain distance from the opening end of the outer shell 12 to prevent the user's mouth from directly contacting the inner shell 11 when the shell 10 is used as a container, thus avoiding discomfort. Additionally, the heating element can limit the maximum height that the inner shell 11 can reach, preventing burns to the user. One preferred form of the filling liquid is sodium acetate trihydrate.

[0028] A button 30 is provided through the housing 10. The button 30 can contact the switch contacts of the heating element. A sealing structure is provided between the button 30 and the housing 10. By providing a sealing structure, leakage of liquid in the accommodating cavity 111 during the use of the button 30 is prevented.

[0029] Specifically, when the housing 10 has a double-layer structure, the button 30 penetrates the outer housing 12 but not the inner housing 11. The sealing structure is a sealing ring, and the outer housing 12 has a through hole to facilitate the passage of the button 30. In this case, the sealing ring can be placed between the outer wall of the button 30 and the inner wall of the through hole. Furthermore, the end of the button 30 near the heating element is provided with an annular flange. The annular flange and the through hole form a limiting structure to prevent the button 30 from detaching from the housing 10. In this case, the sealing ring can be fitted onto the annular flange, and both sides of the sealing ring are tightly fitted with the inner wall of the outer housing 12 and the heating element, respectively, ensuring that the sealing ring always plays a sealing role during the movement of the button 30.

[0030] The heating assembly includes a heating element 41 and a power supply unit 42 electrically connected to the heating element 41. The heating element 41 is in contact with the cavity wall of the accommodating cavity 111. The heating element 41 is a heating wire or a heating film, which heats the cavity wall of the control cavity, so that the fluid in the accommodating cavity 111 is heated evenly.

[0031] Specifically, the power supply unit 42 includes a PCB board and a battery mounted on the PCB board. The PCB board is electrically connected to the heating element. When the button 30 moves, it can contact the switch contacts on the PCB board, thereby turning the heating element 41 on and off.

[0032] Furthermore, when the temperature inside the cavity 111 exceeds 43°C, the human body will feel it is too hot. Around 36-41°C, the human body will feel it is warm. The temperature value can be set by the mainboard program based on the heating wire or heating film. In this patent, the heating wire temperature can be set to 40°C, ensuring both the drying effect on the brush head and the ability to heat water without scalding the mouth. Alternatively, the program can set the heating wire temperature to two levels: ① When used to dry the toothbrush head 20, the temperature can be set higher, such as above 50°C; the higher the temperature, the faster the brush head dries. ② When used to heat ice water, the temperature can be set lower, such as 40°C, to avoid scalding the mouth.

[0033] The heating assembly also includes a bracket 43, on which the power supply unit 42 is mounted. The bracket 43 provides support and fixation for both the power supply unit 42 and the bracket 43.

[0034] The support 43 of the heating assembly and the inner shell 11 are separated in the interlayer cavity 121 to form a sealed cavity 44, in which the heating element 41 and the power supply unit 42 of the heating assembly are located. This seals the power supply unit 42 and the heating element 41, preventing them from coming into contact with the liquid in the interlayer cavity 121 and thus protecting them.

[0035] Specifically, the bracket 43 is a box structure. The side of the bracket 43 closest to the inner shell 11 is an open structure. The PCB board is provided with a protruding structure that penetrates the side wall of the bracket 43 and can contact the button 30. A clearance hole is provided on the bracket 43 to facilitate the passage of the protruding structure. The sealing ring is located on the periphery of the clearance hole. That is, the sealing ring can seal the clearance hole on the bracket 43 to prevent the filling liquid in the interlayer cavity 121 from entering the interior of the bracket 43.

[0036] The inner shell 11 is made of thermally conductive material, and the outer shell 12 is made of thermally insulating material. This ensures that the inner shell 11 has good thermal conductivity and the outer shell 12 has good thermal insulation. When the temperature of the inner shell 11 rises, the user can hold the outer shell 12 without getting burned.

[0037] Specifically, the inner shell 11 is preferably made of stainless steel.

[0038] The housing 10 has a connecting structure 122 at the inlet and outlet edges corresponding to the accommodating cavity 111. When the toothbrush head 20 is housed in the accommodating cavity 111, the housing 10 is detachably connected to the toothbrush body 21 containing the toothbrush head 20 through the connecting structure 122. When the toothbrush head 20 is housed in the accommodating cavity, the housing 10 and the toothbrush body 21 are kept as one unit, making it convenient to carry.

[0039] Specifically, the connecting structure 122 is a snap-fit ​​structure or a threaded structure. When the connecting structure 122 is a snap-fit ​​structure, an annular limiting groove is opened on the inner side wall of the outer shell 12, and a limiting protrusion adapted to the limiting groove is provided on the toothbrush body 21. The limiting protrusion enters into the limiting groove to form a limiting structure, so that the inner shell 11 and the outer shell are connected.

[0040] Example 2

[0041] This invention provides an electric toothbrush, including the toothbrush cover as described above, thereby possessing all the technical effects it possesses. Furthermore, the electric toothbrush of this invention may also include other components such as an electric toothbrush body 21, which can be directly assembled with the housing 10. Other components not specifically described in the electric toothbrush of this invention can be components from the prior art.

[0042] Although the invention has been described with reference to preferred embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner as long as there is no structural conflict. The invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A toothbrush cap structure, characterized in that, The device includes a housing having a receiving cavity for accommodating a toothbrush head, and a heating component provided on the housing, the heating component being capable of drying the toothbrush head or heating liquid within the receiving cavity when the housing is used as a container; The housing includes an inner housing and an outer housing, with a sandwich cavity formed between the inner housing and the outer housing, and the sandwich cavity and the accommodating cavity are capable of heat exchange; The inner shell and the outer shell are connected at the inlet and outlet of the cavity, so that the interlayer cavity forms a sealed structure, and the interlayer cavity is filled with a filling liquid. The support of the heating component and the inner shell are separated into a sealed cavity in the interlayer cavity, and the heating element and the power supply unit of the heating component are located in the sealed cavity. A button is provided through the housing, which can contact the switch contact of the heating component. A sealing structure, which is a sealing ring, is provided between the button and the housing. The outer casing has a through hole to facilitate the passage of the button. The end of the button near the heating component has an annular flange. The annular flange and the through hole form a limiting structure to prevent the button from detaching from the casing. A sealing ring is fitted on the annular flange, and both sides of the sealing ring are in close contact with the inner wall of the outer casing and the heating component. The heating assembly includes a heating element and a power supply unit electrically connected to the heating element. The power supply unit includes a PCB board and a battery disposed on the PCB board. The PCB board is electrically connected to the heating element. When the button is moved, it can contact the switch contacts on the PCB board to turn the heating element on and off. The PCB board has a protruding structure that penetrates the side wall of the bracket and can contact the button. The bracket has a clearance hole to facilitate the passage of the protruding structure, and the sealing ring is located around the clearance hole.

2. The toothbrush cap structure according to claim 1, characterized in that, The heating element is in contact with the cavity wall of the accommodating cavity.

3. The toothbrush cap structure according to claim 2, characterized in that, The heating assembly also includes a bracket, and the power supply unit is mounted on the bracket.

4. The toothbrush cap structure according to claim 1, characterized in that, The inner shell is made of thermally conductive material, and the outer shell is made of thermally insulating material.

5. The toothbrush cap structure according to any one of claims 1-4, characterized in that, The housing is provided with a connecting structure at the position of the inlet and outlet edges corresponding to the accommodating cavity. When the toothbrush head is accommodated in the accommodating cavity, the housing is detachably connected to the toothbrush body where the toothbrush head is located through the connecting structure.

6. An electric toothbrush, characterized in that, Includes the toothbrush cap structure as described in any one of claims 1-5.

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