CN219350047U

CN219350047U - Detachable key and electric toothbrush

Info

Publication number: CN219350047U
Application number: CN202320491610.0U
Authority: CN
Inventors: 严锦来; 刘书润
Original assignee: Shenzhen Yunding Information Technology Co Ltd
Current assignee: Shenzhen Yunding Information Technology Co Ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-07-14
Anticipated expiration: 2033-03-07

Abstract

The embodiment of the utility model provides a detachable key and an electric toothbrush, wherein the detachable key comprises a first part and a second part which are mutually independent, the first part is connected with the surrounding wall of a key groove, and the first part is connected with the second part in a detachable mode; the first part comprises a first elastic structure, and the second part can move under the action of external force so as to drive the first elastic structure to deform, so that the first elastic structure can trigger an electrical component in the external device, and the electrical component is started or closed. The electric toothbrush comprises the detachable key. The detachable key triggering mechanism is simple and reliable in operation; and because the main damage and abrasion are concentrated on the second part, when the second part is damaged, a user can directly detach and replace the second part, thereby being convenient for the user to maintain by himself.

Description

Detachable key and electric toothbrush

Technical Field

The utility model relates to the technical field of electric toothbrushes, in particular to a detachable key and an electric toothbrush.

Background

The electric toothbrush is a novel toothbrush, and the brush head generates high-frequency vibration through the rapid rotation or vibration of the motor core, so that toothpaste is instantaneously decomposed into fine foam, the fine foam can deeply clean the gaps between teeth, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massaging effect on gum tissues. Based on the above advantages, electric toothbrushes have been increasingly popular in people's lives.

In the prior art, keys of the electric toothbrush are embedded in key grooves of a toothbrush main body, a common user cannot detach the keys in daily life, gaps often exist between the keys and the surrounding walls due to the fact that the keys and the surrounding walls of key grooves keep smooth relative sliding, dirt and toothpaste foam are easy to enter into the gaps to produce dirt and bacteria, dirt in the gaps is difficult to remove on the premise that the keys cannot be removed, and the experience of the user is seriously affected, meanwhile, another electric toothbrush also exists in the prior art, the keys are sealed in the key grooves by a silica gel layer, and therefore the gaps are eliminated, and dirt cannot be produced; however, based on the two schemes, the keys of the electric toothbrush cannot be disassembled, when the exposed parts of the keys are damaged due to collision or worn due to long-time use, the keys cannot be replaced by the users, and in long-time use, the styles of the electric toothbrush are unchanged due to the fact that the keys cannot be replaced, so that new ideas are lacked for the users.

Disclosure of Invention

The embodiment of the utility model provides a detachable key and an electric toothbrush, which are used for solving the problems that in the prior art, the key of the electric toothbrush cannot be conveniently disassembled from a key groove, so that a user is difficult to maintain the key by himself and the style is unchanged.

According to a first aspect, an embodiment of the present utility model provides a detachable key, including a first portion and a second portion that are independent of each other, where the first portion is connected to a wall of the key slot, and the first portion is detachably connected to the second portion; the first part comprises a first elastic structure, and the second part can move under the action of external force so as to drive the first elastic structure to deform, so that the first elastic structure can trigger an electrical component in the external device, and the electrical component is started or closed.

As a further alternative of the detachable key, the first portion further includes a first magnetic member integrally provided with the first elastic structure, and the second portion includes a second magnetic member, and the first magnetic member and the second magnetic member are capable of being attracted to each other; the second part can move under the action of external force, so that the first elastic structure is driven to deform, and the first elastic structure triggers the electrical component.

As a further alternative of the detachable key, a first accommodating structure is formed on the first elastic structure, and the first magnetic member is disposed in the first accommodating structure.

As a further alternative of the detachable key, the first portion further includes a housing, a receiving groove is formed in the housing, the receiving groove forms an opening toward the external device, and the first elastic structure is disposed in the receiving groove and exposes a portion from the opening to form a triggering portion, and the triggering portion triggers the electrical component.

As a further alternative of the detachable key, the second portion further includes a second elastic structure, a second accommodating structure is formed on the second elastic structure, and the second magnetic member is disposed in the second accommodating structure.

As a further alternative of the detachable key, the second portion further includes an outer ring, the outer ring is made of a hard material, and the outer ring is enclosed around the periphery of the second elastic structure.

As a further alternative of the detachable key, the first elastic structure and the second elastic structure are both provided as cushions made of silica gel.

According to a second aspect, an embodiment of the present utility model provides an electric toothbrush comprising a main body and a detachable key according to any one of the preceding embodiments, the main body comprising a housing and an electrical component disposed within the housing, the housing having a key groove formed therein, the first portion being sealingly connected to a surrounding wall of the key groove, the second portion being detachably connected to the first portion.

As a further alternative to the electric toothbrush, the outer periphery of the first portion protrudes outwardly to form a toothed portion, and the keyway-defining wall is formed with a recess into which the toothed portion can be inserted to form a connection of the first portion to the body.

As a further alternative to the electric toothbrush, the key slot has a depth greater than a thickness of the first portion such that the second portion is at least partially located in the key slot.

The implementation of the embodiment of the utility model has the following beneficial effects:

for the detachable key, the detachable key consists of a detachable first part and a detachable second part, wherein the second part is used for bearing external force, the first part triggers the electrical component through deformation and rebound of the first elastic structure, and the triggering mechanism is simple and reliable in work; and because the second part is used for bearing external force, main damage and abrasion are concentrated on the second part, and when the second part is damaged, a user can directly detach and replace the second part, so that the second part is convenient for the user to maintain by himself.

For the electric toothbrush, the detachable key is adopted, the first part of the detachable key is in sealing connection with the surrounding wall of the key groove, so that stains and moisture can be effectively prevented from contacting with the electric component through the key groove, the electric component is prevented from being damaged by damp, and the cleanliness of the inside of the main body can be ensured; meanwhile, the second part of the detachable key can be conveniently detached, so that a user can conveniently maintain the electric toothbrush, the electric toothbrush with different appearances can be obtained by replacing the second part with different patterns or colors, and the electric toothbrush can be more in style combination when matched with the replaceable brush head of the electric toothbrush.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is a schematic view showing the overall structure of an electric toothbrush according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing the structure of a main body of an electric toothbrush according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram illustrating an overall structure of a detachable key according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram illustrating a first portion of a detachable key according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram illustrating a second portion of a detachable key according to an embodiment of the present utility model;

description of main reference numerals:

10-a main body, 11-a shell, 12-a key groove, 121-a groove part;

20-detachable key, 21-first part, 211-first magnetic piece, 212-first elastic structure, 2121-trigger part, 213-shell, 2131-tooth part, 22-second part, 221-second magnetic piece, 222-second elastic structure, 223-outer ring.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many other different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment of the present utility model, please refer to fig. 1 and 2 in combination, the electric toothbrush includes a main body 10 and a detachable key 20, the main body 10 includes a housing 11 and an electrical component disposed in the housing 11, a key slot 12 is formed on the housing, and the detachable key 20 is disposed in the key slot 12. The electric assembly refers to each component which is arranged in the electric toothbrush and driven by electric power, and mainly comprises a battery, a motor, a control main board and the like, and can be designed in a more common way in the prior art, and the specific structure of the electric assembly is not described in detail herein.

Referring to fig. 3 to 5 in combination, the detachable key 20 includes a first portion 21 and a second portion 22 that are independent of each other, the first portion 21 is connected with the surrounding wall of the key slot 12 in a sealing manner, the first portion 21 is connected with the second portion 22 in a detachable manner, the first portion 21 includes a first elastic structure 212, and the second portion 22 can move under the action of an external force, so as to drive the first elastic structure 212 to deform, so that the first elastic structure 212 can trigger the electrical components in the main body 10 to enable the electrical components to be started or closed.

It should be noted that, the detachable key 20 can be applied to not only electric toothbrushes, but also other types of external devices, and when applied to other external devices, the electrical components generally refer to various electrically driven components of the devices that need to be triggered by a switch.

For the detachable key 20, the detachable key is composed of a detachable first part 21 and a detachable second part 22, the second part 22 is used for bearing external force, the first part 21 triggers an electrical component through deformation and rebound of the first elastic structure 212, and the triggering mechanism is simple and reliable in operation; because the second portion 22 is used for bearing external force, main damage and abrasion are concentrated on the second portion 22, and when the second portion 22 is damaged, a user can directly detach and replace the second portion 22, so that the second portion is convenient for the user to maintain by himself.

For the electric toothbrush, the detachable key 20 is adopted, and the first part 21 of the detachable key 20 is in sealing connection with the surrounding wall of the key groove 12, so that stains and moisture can be effectively prevented from contacting with the electric component through the key groove 12, the electric component is prevented from being damaged due to damp, and the cleanliness of the inside of the main body 10 is ensured; meanwhile, the second part 22 of the detachable key 20 can be conveniently detached, so that the user can conveniently maintain the electric toothbrush with different appearances by replacing the second part 22 with different patterns or colors, and the electric toothbrush can be more in style combination by matching with the replaceable brush head of the electric toothbrush, so that the electric toothbrush is more interesting.

In embodiments of the present utility model, the first portion 21 and the second portion 22 may be removably coupled in a variety of ways, including, but not limited to, clamping, magnetic attraction, and bonding.

In one embodiment, the first portion 21 includes a first magnetic member 211 integrally provided with the first elastic structure 212, and the second portion 22 includes a second magnetic member 221, where the first magnetic member 211 and the second magnetic member 221 are capable of attracting each other; the second portion 22 is capable of moving under an external force to deform the first resilient structure 212, such that the first resilient structure 212 can trigger an electrical component within the electric toothbrush or other external device to activate or deactivate the electrical component. Wherein, the first magnetic element 211 and the second magnetic element 221 can be made of magnets, or one of them is made of magnets, and the other is made of a magnetizable metal material (iron, cobalt, nickel, alloys thereof, etc.); the first elastic structure 212 may be one or a combination of several of rubber, silica gel, polymer material and metal spring (such as a dome), so long as it can elastically deform under the action of external force.

The advantage of adopting the magnetism to inhale the mode lies in, can reach the connection with first portion 21 and second portion 22 are close to each other, and it is convenient to use, through selecting suitable magnetism size, can obtain better balance between the convenience of split and the stability of connection better to reinforcing use experience.

For the arrangement of the first magnetic element 211 and the first elastic structure 212, in one embodiment, referring to fig. 4, a first accommodating structure is formed on the first elastic structure 212, and the first magnetic element 211 is disposed in the first accommodating structure. The first accommodating structure may be one of a cavity or a groove, when the first accommodating structure is set as the groove, the first magnetic member 211 and the first accommodating structure may be connected by an adhesive manner, and when the first elastic structure 212 is made of rubber or silica gel, the first elastic structure 212 may be formed outside the first magnetic member 211 by an injection molding process.

In a specific embodiment, referring to fig. 3 and 4 in combination, the first portion 21 further includes a housing 213, a receiving groove is formed on the housing 213, the receiving groove forms an opening toward an external device (such as the main body 10 of the electric toothbrush), and the first elastic structure 212 is disposed in the receiving groove and exposes a portion of the opening to form a triggering portion 2121, where the triggering portion 2121 is used for triggering the electrical component. In use, the first resilient structure 212 in the receiving groove is squeezed such that the first resilient structure 212 moves out of the opening and the trigger 2121 moves toward the electrical component to trigger the electrical component.

For the connection between the second part 22 and the key slot 12, it can be slidingly connected with the key slot 12, and a reset element needs to be provided at this time, so that the second part 22 resets after being pressed down, and a scheme of triggering the first part 21 by using an elastic structure can also be adopted.

In one embodiment, the detachable key 20 further includes a reset element disposed between the first portion 21 and the second portion 22, the second portion 22 being slidably coupled to the key slot 12. In this embodiment, the reset element may be used only to reset the second portion 22, specifically, the surface of the second portion 22 protrudes toward the first portion 21 to form a protrusion, when an external force acts on the second portion 22, the second portion 22 slides along the key slot 12 and presses the reset element, so that the reset element generates compression deformation until the protrusion presses the first portion 21, thereby triggering, after the external force is removed, the reset element rebounds, so that the second portion 22 resets, and it is easy to think that the protrusion may also be formed by protruding the surface of the first portion 21 toward the direction of the second portion 22; the reset element may also be used as an intermediate element for driving the second portion 22 to reset and for pushing the first portion 21, specifically, when an external force acts on the second portion 22, the second portion 22 slides along the key slot 12 and presses the reset element, so that the reset element generates compression deformation, the reset element pushes the first elastic structure 212 to deform, thereby triggering the electrical component, and when the external force is removed, the reset element rebounds, so that the second portion 22 resets. The reset element may preferably be one of rubber, silicone, a spring, and a metal dome.

In another specific embodiment, referring to fig. 5, the second portion 22 further includes a second elastic structure 222, a second accommodating structure is formed on the second elastic structure 222, and the second magnetic member 221 is disposed in the second accommodating structure. As with the first elastic structure 212, the second elastic structure 222 may be one or a combination of several of rubber, silica gel, polymer material and metal spring (such as a dome), as long as it can generate elastic deformation under the action of external force.

In a more specific embodiment, the second portion 22 further includes an outer ring 223, the outer ring 223 is made of a hard material, and the outer ring 223 is enclosed around the periphery of the second elastic structure 222.

The provision of the outer ring 223 has the advantage that the second elastic structure 222 can be protected.

For the detachable connection of the key 20 to the electric toothbrush, in one embodiment, the outer periphery of the first portion 21 protrudes outwards to form a tooth 2131, a groove 121 is formed on the wall of the key slot 12, and the tooth 2131 can be inserted into the groove 121 to form a sealed connection of the first portion 21 to the main body 10.

In one embodiment, the depth of the key slot 12 is greater than the thickness of the first portion 21 such that the second portion 22 is at least partially located in the key slot 12.

The advantage of this embodiment is that the walls of the key slot 12 can limit the second portion 22 to a certain extent, so that the second portion 22 cannot easily fall off due to accidental knocks; when fouling occurs in the key slot 12, the second portion 22 can also be removed to clean the key slot 12, thereby ensuring cleanliness of the electric toothbrush.

In a particular embodiment, when the second portion 22 is disposed in the key slot 12, the outer surface of the second portion 22 facing the user is flush with the outer surface of the housing 11.

The advantage of this embodiment is that the aesthetics of the product can be increased.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A detachable key arranged in a key groove of an external device, which is characterized by comprising a first part and a second part which are mutually independent, wherein the first part is connected with a surrounding wall of the key groove, and the first part is connected with the second part in a detachable mode; the first part comprises a first elastic structure, and the second part can move under the action of external force so as to drive the first elastic structure to deform, so that the first elastic structure can trigger an electrical component in the external device, and the electrical component is started or closed.

2. The detachable key of claim 1, wherein the first portion further comprises a first magnetic member integral with the first resilient structure, the second portion comprises a second magnetic member, the first magnetic member and the second magnetic member are capable of engaging with each other; the second part can move under the action of external force, so that the first elastic structure is driven to deform, and the first elastic structure triggers the electrical component.

3. The detachable key according to claim 2, wherein the first elastic structure has a first receiving structure formed thereon, and the first magnetic member is disposed in the first receiving structure.

4. A detachable key according to any one of claims 1-3, wherein the first part further comprises a housing having a receiving slot formed therein, the receiving slot forming an opening towards the external device, the first resilient structure being disposed in the receiving slot and exposing a portion from the opening to form a triggering portion, the triggering portion triggering the electrical component.

5. The detachable key of claim 2, wherein the second portion further comprises a second resilient structure having a second receiving structure formed thereon, the second magnetic member disposed in the second receiving structure.

6. The detachable key of claim 5, wherein the second portion further comprises an outer ring made of a rigid material, the outer ring surrounding a periphery of the second elastic structure.

7. The detachable key of claim 5, wherein the first elastic structure and the second elastic structure are each provided as a cushion made of silicone rubber.

8. An electric toothbrush comprising a body and a detachable key as claimed in any one of claims 1 to 7, the body comprising a housing and an electrical component disposed within the housing, the housing having a key way formed thereon, the first portion being sealingly connected to a surrounding wall of the key way, the second portion being removably connected to the first portion.

9. The electric toothbrush according to claim 8 wherein the outer periphery of the first portion projects outwardly to form a tooth portion, the keyway enclosure wall having a recess formed therein into which the tooth portion can be inserted to form a connection of the first portion to the body.

10. The powered toothbrush as defined in claim 8, wherein the key slot has a depth greater than a thickness of the first portion such that the second portion is at least partially located in the key slot.