CN221106105U - Electric toothbrush - Google Patents

Abstract

The utility model provides an electric toothbrush, which comprises an action assembly and a main assembly which are connected with each other, wherein the main assembly comprises a main shell, an input arm, a tilting assembly and a driving device, the input arm extends out of the main shell and is connected with the action assembly, the input arm is used for receiving driving force from the driving device to drive the action assembly to move relative to the main shell, and the input arm is detachably connected with the tilting assembly, so that a user can replace different input arms to adapt to different action assemblies; the tilting assembly is arranged in the main shell and used for driving the action assembly to tilt relative to the main shell, so that the freedom of movement of the action assembly is widened, and the design is favorable for improving the overall cleanliness of the electric toothbrush to the oral cavity.

Description

Electric toothbrush

Technical Field

The utility model relates to the field of oral care appliances, in particular to an electric toothbrush.

Background

Electric toothbrushes are increasingly popular as household oral care appliances in daily life, and the working principle of the electric toothbrushes is as follows: the brush head is driven by the built-in driving motor to vibrate or rotate at high frequency, so that the toothpaste is decomposed into fine foam, and the fine foam penetrates into the slits of the teeth to clean dirt in the oral cavity.

The electric toothbrush comprises an action assembly and a main assembly, wherein the action assembly is provided with a brush head for cleaning teeth and is detachably connected with the main assembly;

To current electric toothbrush, the user need constantly adjust the angle in order to realize carrying out diversified cleanness to the oral cavity when holding the main assembly and carrying out tooth cleaning, in order to improve the convenience of this process, makes the user obtain better experience effect, and electric toothbrush's design still has the improvement room.

In addition, the electric toothbrush purchased by the user can only be matched with a specific brush head purchased by a manufacturer, namely, the main component and the action component in one electric toothbrush can only be matched for use, so that the user cannot replace the action components of other manufacturer types to obtain different tooth brushing experiences, and the use limitation of the electric toothbrush is further caused.

Disclosure of utility model

In view of the above-mentioned technical problems, the present utility model provides an electric toothbrush, in which an action assembly of the electric toothbrush can incline relative to a main housing of a main assembly, so that the degree of freedom of movement of the action assembly is widened, and the overall cleanliness of the electric toothbrush to the oral cavity is improved; in addition, the electric toothbrush provided by the utility model can also realize the replacement of different input arms so as to adapt to different action components for use, thereby expanding the application range of the main component of the electric toothbrush. The technical scheme adopted by the utility model is as follows:

The utility model provides an electric toothbrush, which comprises an acting component and a main component, wherein the acting component and the main component are connected, a brush head is arranged on the acting component for cleaning teeth, the main component comprises a main shell, an input arm and a driving device, the input arm extends out of the main shell at least partially and is connected with the acting component, the driving device is arranged in the main shell, the input arm is used for receiving driving force from the driving device to drive the acting component to work, the main component also comprises a tilting component, a first magnetic part and a second magnetic part, the tilting component is connected with the input arm, the acting component can move between a first position and a second position, and when in the first position, the tilting component interacts with the first magnetic part, and the acting component and the main component are combined in a straight line in the longitudinal direction; in the second position, the tilt assembly interacts with the second magnetic member and the reaction assembly tilts relative to the main housing.

Further, the main assembly further includes an inner frame at least a portion of which is disposed within the main housing, the tilting assembly is connected to the inner frame in a rotatable manner with respect to the inner frame about an axis, the acting assembly has a central axis intersecting the central axis of the acting assembly, and the tilting assembly is configured to control whether the acting assembly is tilted with respect to the main housing.

Further, the inner frame comprises a first connecting plate and a second connecting plate which are arranged at intervals relatively, the first magnetic pieces are arranged on the first connecting plate, the second magnetic pieces are arranged on the second connecting plate, the main shell is provided with a central axis, the distance between the second magnetic pieces and the central axis of the main shell is gradually increased, and the first magnetic pieces are parallel to the central axis of the main shell.

Further, the tilting assembly includes a connecting member, a height adjusting member, and a magnetic member fixedly connected with the height adjusting member, the connecting member being connected with the height adjusting member in a manner movable up and down with respect to the height adjusting member, and the connecting member being further connected with the input arm, the magnetic member being for interaction with the first magnetic member or the second magnetic member. The height adjusting piece is provided with a first positioning part, the connecting piece is provided with a guided part, and when the guided part is matched with the first positioning part, a space is reserved between the lower surface of the acting component and the upper surface of the main component.

In other embodiments, the tilt assembly includes a connector and a magnetic member, the connector connecting the magnetic member and the input arm, respectively, the magnetic member configured to magnetically cooperate with the first magnetic member or the second magnetic member to tilt the tilt assembly relative to the main housing, at least one of the main housing and the action assembly providing the relief.

In other embodiments, the input arm is removably disposed on the main assembly.

Drawings

Fig. 1 is an overall view of an electric toothbrush according to the present utility model.

Fig. 2A is a perspective view of the active component of the electric toothbrush of the present utility model tilted with respect to the main housing member.

Fig. 2B is a perspective view of the powered toothbrush of the present utility model with the active assembly tilted relative to the inner frame after concealing the main housing.

Fig. 3 is an exploded perspective view of a portion of the components of the electric toothbrush according to the present utility model.

Fig. 4A is an exploded view of a portion of the components of the main assembly in accordance with the present utility model.

Fig. 4B and 4C are sectional views of the height adjusting piece according to the present utility model taken from directions perpendicular to each other through a plane passing through the central axis of the height adjusting piece and parallel to the longitudinal direction.

Fig. 5A is a perspective view of an inner frame according to the present utility model.

Fig. 5B is a sectional view taken in parallel with the transverse direction and facing the inner frame according to the present utility model.

Fig. 5C is a sectional view taken in parallel with the longitudinal direction and facing the inner frame according to the present utility model.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

FIG. 1 is an overall view of an electric toothbrush in accordance with the present utility model; FIG. 2A is a perspective view of the active component of the electric toothbrush of the present utility model tilted with respect to the main housing member; FIG. 2B is a perspective view of the powered toothbrush of the present utility model with the rear action assembly of the main housing tilted relative to the inner frame; fig. 3 is an exploded perspective view of a portion of the components of the electric toothbrush according to the present utility model.

As shown in fig. 1, the present utility model provides an electric toothbrush 100 comprising an active component 10 and a main component 20 connected to each other, the active component 10 being detachably mounted on the main component 20; further, the active component 10 is provided with a brush head 11 for cleaning teeth, and the main component 20 is provided with a driving device for driving the active component 10 to perform cleaning work. For convenience of description herein, the longitudinal direction of the electric toothbrush 100 is defined as an up-down direction, wherein the side of the action assembly 10 is an upper side, the side opposite to the action assembly 10 is a lower side, and the direction intersecting the longitudinal direction is a lateral direction, preferably, the lateral direction is perpendicular to the longitudinal direction.

As shown in fig. 2A and 2B, the electric toothbrush 100 according to the present utility model has an action module 10 movable relative to a main casing 21 described below between a first position in which the action module 10 is coupled to the main casing 20 in a straight line in the up-down direction, and a second position in which the action module 10 is tilted relative to the main casing 21. The action assembly 10 comprises an outer shell 12 and an inner shell 13, wherein the outer shell 12 covers the inner shell 13, and the outer shell 12 and the inner shell 13 can be integrally formed or separately formed; the brush head 11 is disposed at the upper end of the housing 12. As shown in fig. 3, the main assembly 20 includes a main housing 21, an inner frame 22, an input arm 23, a tilting assembly 24, and a driving device (not shown in the drawings), at least a portion of the inner frame 22 being disposed within the main housing 21 for dividing an inner space of the main housing 21 to distribute and install the driving device, the tilting assembly 24, and the like in the main housing. At least a portion of the input arm 23 extends into the inner housing 13 and has a central axis 23a, the central axis 23a being coaxial or parallel to the central axis 21 a; the input arm 23 is configured to receive a driving force from the driving device to rotate around the central axis 23a, so as to drive the action assembly 10 to move relative to the main housing 21 for cleaning (e.g. swinging, rotating, etc.); the tilt assembly 24 is connected to the inner frame 22 in a rotatable manner about an axis relative to the inner frame 22 and is used to control whether the actuation assembly 10 is tilted relative to the main housing 21.

Specifically, as shown in fig. 1 to 3, the main housing 21 has a central axis 21a, the acting assembly 10 has a central axis 10a, the central axis 10a is coaxial with or parallel to the central axis 21a when the acting assembly 10 is arranged in line with the main housing 21, and the central axis 10a intersects with the central axis 21a when the acting assembly 10 is tilted with respect to the main housing 21. Further, both the outer housing 12 and the inner housing 13 are disposed above the main housing 21, and a part of the input arm 23 is disposed within the main housing 21 and is detachably connected to the tilt assembly 24, and the other part extends out of the main housing 21 and into the inner housing 13. When the user removes the actuation assembly 10 from the powered toothbrush 100, the input arm 23 is exposed, at which point the user can remove the input arm 23 from the main assembly 20 to replace another input arm 23 that may be the same or different. The detachable design enables a user to replace different types of input arms 23 and thus different types of active components 10 to obtain different cleaning experiences, breaking through the limitation that existing electric toothbrushes can only be adapted to specific active components 10.

FIG. 4A is an exploded view of a portion of the components of the main assembly in accordance with the present utility model; fig. 4B and 4C are sectional views of the height adjusting piece according to the present utility model taken from directions perpendicular to each other through a plane passing through the central axis of the height adjusting piece and parallel to the longitudinal direction.

Further, as shown in fig. 4A, the tilting assembly 24 includes a connecting member 241, a height adjusting member 242, and a third magnetic member 243, wherein the height adjusting member 242 is disposed between the connecting member 241 and the third magnetic member 243, and is fixedly connected to the third magnetic member 243, and is movably connected to the connecting member 241, and the connecting member 241 is movable up and down with respect to the height adjusting member 242, and the third magnetic member 243 is configured to magnetically cooperate with the inner frame 22 to tilt the tilting assembly 24 with respect to the main housing 21. The connecting piece 241 is cylindrical and has a first connecting portion 2411, and a portion of the input arm 23 extends into the first connecting portion 2411 to be connected with the connecting piece 241; the height adjusting piece 242 is provided with a second connection part 2421, and a part of the connection piece 241 extends into the second connection part 2421 so as to be connected with the height adjusting piece 242; the first and second connection portions 2411 and 2421 are provided as connection holes, which may be through holes or blind holes. As shown in fig. 4B, the inner wall of the height adjuster 242 is provided with at least one first guide part 2422, and at least one first positioning part 2423 and at least one second positioning part 2424 communicating with the first guide part 2422, the first positioning part 2423 and the second positioning part 2424 being provided at intervals in the up-down direction. At least one guided portion 2412 is disposed on the connecting member 241, and the first guiding portion 2422 is configured to cooperate with the guided portion 2412 to guide the movement of the connecting member 241, and when the guided portion 2412 moves to the first positioning portion 2423 or the second positioning portion 2424, it can cooperate (e.g. be clamped, inserted, magnetically connected, etc.) with one of the two, so that the connecting member 241 is fixed at the first positioning portion 2423 or the second positioning portion 2424.

Through the above design, the up-down position of the acting assembly 10 relative to the main housing 21 can be adjusted, when the acting assembly 10 needs to be inclined relative to the main housing 21, the height adjusting member 242 can be utilized to move the acting assembly 10 upward relative to the main housing 21, that is, the connecting member 241 is fixed at the position of the first positioning portion 2423, and at this time, a space is provided between the lower surface of the acting assembly 10 and the upper surface of the main assembly 20, which enables the acting assembly 10 to have enough movement margin to incline relative to the main housing 21, so as to avoid the main housing 21 interfering with the inclination of the acting assembly 10. In order to make the connecting piece 241 move up and down more stably with respect to the height adjusting piece 242, as shown in fig. 4C, two first guide portions 2422, two first positioning portions 2423 and two second positioning portions 2424 are provided on the height adjusting piece 242 at opposite intervals in the lateral direction, and similarly, two guided portions 2412 are provided on the connecting piece 241 at opposite intervals in the lateral direction.

In other embodiments, the escape portion may be provided in at least one of the working block 10 and the main casing 21, and in this case, even if there is no space between the lower surface of the working block 10 and the upper surface of the main block 20, the main casing 21 does not interfere with the tilting operation of the working block 10; in this case, the connecting member 241 may be fixedly coupled to the height adjusting member 242, or the height adjusting member 242 may not be provided in the tilting assembly 24, and the connecting member 241 is fixedly coupled to the third magnetic member 243.

Fig. 5A is a perspective view of an inner frame according to the present utility model; fig. 5B is a cross-sectional view taken in parallel with the transverse direction and facing the inner frame according to the present utility model; fig. 5C is a sectional view taken in parallel with the longitudinal direction and facing the inner frame according to the present utility model.

As shown in fig. 5A, further, a first mounting portion 25 is provided on the inner frame 22, and the tilting assembly 24 is movably mounted at the first mounting portion 25. As shown in fig. 5A to 5C, the first mounting portion 25 includes a first plate 251 and a second plate 252 that are disposed at opposite intervals in the lateral direction, and a first connecting plate 253 and a second connecting plate 254 that are disposed at opposite intervals therebetween, the first plate 251, the second plate 252, the first connecting plate 253 and the second connecting plate 254 enclose a first mounting cavity 255, and at least a portion of the tilting assembly 24 is located in the first mounting cavity 255. The first plate 251 and the second plate 252 are respectively provided with a matching part 256, the height adjusting piece 242 is provided with a matched part 2425, the matched part 2425 is provided with an axis 256a, the matching part 256 and the matched part 2425 are movably connected in a clamping, inserting, magnetic connection, pin connection and other manners commonly used in the prior art, so that the tilting assembly 24 can rotate around the axis 256a, the acting assembly 10 tilts relative to the main shell 21, and the axis 10a intersects with the axis 21 a; the axis 256a intersects the central axis 10a, and the axis 256a is preferably perpendicular to the central axis 10 a.

Further, the first connecting plate 253 and the second connecting plate 254 are disposed in a staggered manner in the vertical direction, and both have inner walls facing the first mounting cavity 255, wherein the inner walls of the first connecting plate 253 are parallel to the central axis 21a, or the central axis 21a passes through the inner walls a, and the inner walls of the second connecting plate 253 are inclined with respect to the central axis 21a, and the two inner walls are respectively provided with a first magnetic member 2531 disposed on the first connecting plate 253 and a second magnetic member 2541 disposed on the second connecting plate 254, and the magnetic members are members that can be magnetized. As shown in fig. 5C, the distance between the second magnetic member 2541 and the central axis 21a gradually increases along the top-to-bottom direction, and the first magnetic member 2531 is parallel to the central axis 21 a. The third magnetic member 243 in the tilting assembly 24 extends in the up-down direction and is at least partially opposite to the first magnetic member 2531 and at least partially opposite to the second magnetic member 2541, and the third magnetic member 243 is configured to magnetically cooperate with the first magnetic member 2531 or the second magnetic member 2541.

In a normal state, the acting assembly 10 and the main housing 21 are kept in a straight line, that is, the third magnetic member 243 interacts with the first magnetic member 2531, at this time, the user may apply a force in a lateral direction to the acting assembly 10 to overcome the magnetic attraction between the third magnetic member 243 and the first magnetic member 2531, and the tilting assembly 24 drives the acting assembly 10 to rotate about the axis 256a, and the axis 10a is tilted relative to the axis 21a, so that the acting assembly 10 is tilted relative to the main housing 21. The structure shown in fig. 5C allows the action assembly 10 to tilt in one direction with respect to the main casing 21, and after the positions of the first connecting plate 253 and the second connecting plate 254 in the lateral direction are reversed, the action assembly 10 can tilt in the direction opposite to the above direction with respect to the main casing 21.

In other embodiments, at least one of the first magnetic member 2531 and the second magnetic member 2541 may be disposed to repel the third magnetic member 243 to achieve the technical effects of the electric toothbrush 100 described above.

The present utility model provides an electric toothbrush 100 comprising an active component and a main component connected to each other, the main component comprising a main housing, an input arm extending from the main housing and connected to the active component, the input arm being adapted to receive a driving force from the driving means to move the active component relative to the main housing, the input arm being detachably connected to the tilting component, whereby a user can change different input arms to adapt to different active components. The tilting assembly is arranged in the main shell and used for driving the action assembly to tilt relative to the main shell, so that the freedom of movement of the action assembly is widened, and the design is favorable for improving the overall cleanliness of the electric toothbrush to the oral cavity.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limited thereto. It should be noted that modifications to the embodiments described above, or equivalents of some of the features, may be made by those skilled in the art without departing from the principles of the present utility model; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.

Claims (7)

1. An electric toothbrush comprising an active component and a main component which are connected with each other, wherein the active component is provided with a brush head for cleaning teeth, the main component comprises a main shell, an input arm and a driving device, the input arm extends out of the main shell at least partially and is connected with the active component, the driving device is arranged in the main shell, the input arm is used for receiving driving force from the driving device to drive the active component to work, the electric toothbrush is characterized by further comprising a tilting component, a first magnetic part and a second magnetic part, the tilting component is connected with the input arm, the active component can move between a first position and a second position, and in the first position, the tilting component interacts with the first magnetic part, and the active component is combined with the main component in a straight line in the longitudinal direction; in the second position, the tilt assembly interacts with the second magnetic member and the reaction assembly tilts relative to the main housing.

2. The electric toothbrush according to claim 1, wherein the main assembly further comprises an inner frame, at least a portion of which is disposed within the main housing, the tilt assembly being rotatably connected to the inner frame about an axis relative to the inner frame, the action assembly having a central axis that intersects the central axis of the action assembly, the tilt assembly for controlling whether the action assembly is tilted relative to the main housing.

3. The electric toothbrush according to claim 2 wherein the inner frame includes first and second connection plates disposed in spaced relation to each other, the first magnetic member being disposed on the first connection plate, the second magnetic member being disposed on the second connection plate, the main housing having a central axis, the second magnetic member being progressively greater in distance from the central axis of the main housing, the first magnetic member being parallel to the central axis of the main housing.

4. The electric toothbrush according to claim 3, wherein the tilting assembly comprises a connecting member, a height adjustment member and a magnetic member fixedly connected to the height adjustment member, the connecting member being connected to the height adjustment member in a manner movable up and down with respect to the height adjustment member, and the connecting member being further connected to the input arm, the magnetic member being for interaction with the first magnetic member or the second magnetic member.

5. The electric toothbrush according to claim 4, wherein the height adjusting member is provided with a first positioning portion, the connecting member is provided with a guided portion, and when the guided portion is engaged with the first positioning portion, a space is provided between a lower surface of the action assembly and an upper surface of the main assembly.

6. The electric toothbrush of claim 3, wherein the tilt assembly includes a connector member and a magnetic member, the connector member connecting the magnetic member and the input arm, respectively, the magnetic member for magnetically engaging the first magnetic member or the second magnetic member to tilt the tilt assembly relative to the main housing, at least one of the main housing and the action assembly providing the relief.

7. The electric toothbrush according to any one of claims 1 to 6 wherein the input arm is removably disposed on the main assembly.