CN214857730U

CN214857730U - Electric toothbrush

Info

Publication number: CN214857730U
Application number: CN202120937061.6U
Authority: CN
Inventors: 何少敏
Original assignee: Wenzhou Lebang Optoelectronics Technology Co ltd
Current assignee: Wenzhou Lebang Optoelectronics Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-26
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to an electric toothbrush, including the handle body and toothbrush head, the toothbrush head includes the base and rotates the lid, and base and handle body coupling rotate to cover and rotate to set up on the base, rotate to cover the fixed first bristle body that is provided with a plurality of, be provided with at least one guide way on the base, the base slides in guide way department and is provided with the second bristle body, rotate to cover and be provided with the inclined hole that supplies the second bristle body to wear to establish, rotate the inner wall conflict second bristle body of accessible inclined hole when the lid is rotating to it slides along the guide way to drive the second bristle body, is provided with the drive between the handle body and the toothbrush head and rotates and cover pivoted drive assembly. By adopting the scheme, the cleaning device is simple in structure, comfortable to use and better in cleaning effect.

Description

Electric toothbrush

Technical Field

The utility model belongs to the technical field of toothbrush technique and specifically relates to an electric toothbrush.

Background

In daily life, a toothbrush is used for cleaning the oral cavity in order to clean the oral cavity, but a manual toothbrush usually cannot clean teeth cleanly, and the gum bleeding and the enamel abrasion are caused by the non-specification of manual operation force and action. Electric toothbrush has appeared on the market now, and it includes the handle body and toothbrush head, and the internal motor core's of handle fast rotation or vibrations drive the toothbrush head and produce high frequency vibration, and the vibration transmission brushes teeth on to the brush hair of toothbrush head. However, the bristles transmit vibration to the teeth, which may cause the teeth to feel crisp and uncomfortable.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides an electric toothbrush which has simple structure, comfortable use and better cleaning effect.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an electric toothbrush, includes the handle body and toothbrush head, the toothbrush head includes the base and rotates the lid, and base and handle body coupling rotate to cover and rotate to set up on the base, rotate to cover and fixedly be provided with the first bristle body of a plurality of, be provided with at least one guide way on the base, the base slides in guide way department and is provided with second bristle body, rotate to cover and be provided with the inclined hole that supplies second bristle body to wear to establish, rotate to cover the inner wall conflict second bristle body of accessible inclined hole when the pivoted to drive second bristle body and slide along the guide way, be provided with the drive between handle body and the toothbrush head and rotate and cover pivoted drive assembly.

By adopting the scheme, the first bristle body and the second bristle body are exposed out of the rotating cover, the first bristle body and the second bristle body are not necessarily perpendicular to the outer surface of the rotating cover, and can be arranged at a certain angle, and the sizes of the first bristle body and the second bristle body can be different, and the set positions can be irregular, the rotating seat rotates on the toothbrush head, the driving assembly drives the rotating cover to rotate on the base, the first bristle body on the rotating cover acts on teeth in a rotating mode, the rotating cover can drive the second bristle body to slide along the guide groove while rotating, the second bristle body acts on teeth in a moving mode, the first bristle body and the second bristle body are matched with each other to clean the teeth, the toothbrush handle is simple in structure, more comfortable to use and better in cleaning effect, and the toothbrush head can be pulled out of the handle body and replaced with a new toothbrush head.

The utility model discloses a further setting is: the fixed or integrative guide bar that is provided with of second brush hair body, the cooperation that slides of guide bar and guide way, the guide bar is provided with the stopper in corresponding bevel connection department, rotates the lid and is provided with the spacing groove that supplies the stopper activity, and spacing groove backstop stopper can restrict the second brush hair body and break away from the base.

Through adopting above-mentioned scheme, guide bar and guide way cooperation, the second brush hair physical stamina stably slides along the guide way, stopper and spacing groove cooperation, the second brush hair body can not break away from the base, simple structure, reasonable in design.

The utility model discloses a further setting is: the rotating cover is provided with a rotating shaft on one side close to the base, a through hole for the rotating shaft to penetrate is formed in the base, an elastic stop block is arranged at the end part of the rotating shaft, which extends out of the through hole, and the elastic stop block is abutted against the base to limit the rotating cover to be separated from the base.

Through adopting above-mentioned scheme, the pivot is at the in-process that passes the through-hole, and elasticity backstop piece can be supported by the inner wall of through-hole and press inward deformation, and in case elasticity backstop piece stretches out the through-hole, elasticity backstop piece resumes to warp, and elasticity backstop piece can offset with the base, not only can realize rotating the stable rotation of lid, can also restrict to rotate the lid and break away from the base, simple structure, reasonable in design.

The utility model discloses a further setting is: the guide grooves are four in number and distributed around the through hole at intervals, each guide groove is correspondingly provided with a second bristle body, and the rotating cover can drive each second bristle body to slide towards the gathering or spreading direction.

Through adopting above-mentioned scheme, the position reasonable in design of guide way, four second bristle bodies slide to the direction of gathering together or diffusing under the drive that rotates the lid, and each second bristle body acts on the tooth, and cleaning performance is better.

The utility model discloses a further setting is: the drive assembly comprises a motor device and a drive rod, the motor device is fixedly arranged in the handle body, the drive rod is rotatably arranged on the base along the length direction of the handle body, an output shaft of the motor device can drive the drive rod to rotate, and the drive rod drives the rotating cover to rotate in a reciprocating mode through the eccentric structure to realize reciprocating sliding of the second bristle body along the guide groove.

Through adopting above-mentioned scheme, this motor device can be from taking the speed reduction function, also can include motor and speed reduction structure to reduce the rotational speed of output shaft, motor device drives the actuating lever and rotates, and the actuating lever utilizes eccentric structure to drive and rotates the reciprocal rotation of lid and realize that the second bristle body slides along the guide way is reciprocal, and first bristle body and second bristle body are better to the clean effect of tooth, simple structure, and is more reasonable.

The utility model discloses a further setting is: the eccentric structure comprises a ball head shaft arranged on the driving rod and a spherical cavity arranged on the rotating cover, the ball head shaft is arranged by deviating from the central shaft of the driving rod, the ball head shaft is inserted into the spherical cavity, the driving rod drives the ball head shaft to do eccentric motion, and the ball head shaft abuts against the inner wall of the spherical cavity to drive the rotating cover to rotate in a reciprocating mode.

Through adopting above-mentioned scheme, the tip of bulb axle is provided with the bulb, and the bulb is inserted and is located spherical chamber, and when the eccentric motion was being done to the bulb axle, the accessible leaned on the mode that leans on and drives the rotation lid reciprocating rotation, also can avoid appearing the dead condition of lock, simple structure, reasonable in design.

The utility model discloses a further setting is: the driving assembly further comprises a transmission sleeve, one end of the transmission sleeve is connected with an output shaft of the motor device in a circumferential linkage mode, and the other end of the transmission sleeve is connected with the driving rod in a circumferential linkage mode and is connected with the driving rod in an axial plugging mode.

By adopting the above scheme, the output shaft of motor device passes through the indirect drive actuating lever rotation that drives of transmission cover, and when the toothbrush head is inserted and is established on the handle body, can realize that the actuating lever is connected with the linkage of transmission cover, simple structure, convenient assembling.

The utility model discloses a further setting is: the end part of the driving rod is provided with a plug-in connector, the end part of the transmission sleeve is provided with a socket for the plug-in connector to be inserted into, the plug-in connector is inserted into the socket to realize circumferential linkage connection of the driving rod and the transmission sleeve, the output shaft of the motor device is arranged along the length direction of the handle body, and the transmission sleeve is sleeved on the output shaft of the motor device, wherein one end of the transmission sleeve, which is far away from the plug-in connector, is tightly matched with the plug-in connector.

By adopting the above scheme, motor device's position reasonable in design can reduce the ascending installation space of handle body width direction, and the bayonet joint becomes cross form and sets up, is provided with the cross recess on the socket that corresponds with it, and the actuating lever realizes both circumference linkage connection with the transmission cover through the mode of pegging graft, and simple structure, the operation of being convenient for, motor device's output shaft close-fitting is inserted and is located the installation that the transmission cover realized the transmission cover, simple structure, simple to operate.

The utility model discloses a further setting is: the end of the base is provided with a connector, the end of the handle body is provided with an inserting cavity for the connector to be inserted, and the handle body is connected with the connector in a buckling mode.

By adopting the above scheme, the connection structure of the handle body and the base is simple, and the toothbrush head can be conveniently plugged and pulled out.

The utility model discloses a further setting is: the side wall of the connector is provided with an elastic clamping block, the inner wall of the insertion cavity is provided with a clamping groove for the elastic clamping block to be clamped, the outer side surface of the connector is provided with an insertion groove or an insertion block along the length direction of the handle body, the inner wall of the insertion cavity corresponding to the insertion block is provided with the insertion block or the insertion groove, and the insertion block and the insertion groove are in guide sliding fit.

Through adopting above-mentioned scheme, elastic deformation can take place for the elastic fixture block, and the elastic fixture block card is established in draw-in groove department and can be realized being connected of toothbrush head and handle body to also do not influence the toothbrush head and break away from the handle body, set up the slot on the connector, set up the inserted block on inserting the chamber, inserted block and slot cooperation play the guide effect when the installation toothbrush head, and also can play the effect that the restriction toothbrush head rotated at will, simple structure, reasonable in design, the operation of being convenient for.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention;

FIG. 3 is a schematic view of a toothbrush head construction;

figure 4 is a schematic view of an exploded configuration of the toothbrush head;

FIG. 5 is a schematic view of the engagement structure of the driving rod, the rotating cover and the second bristle body;

FIG. 6 is a schematic view of the fitting structure of the base and the second bristle body;

FIG. 7 is a schematic view of a connection structure of a base and a rotary cover;

FIG. 8 is a schematic view of the structure of the rotary cover;

FIG. 9 is a schematic structural view of a driving assembly;

FIG. 10 is a schematic view of the drive rod;

FIG. 11 is a schematic view of a structure of a motor device engaged with a driving sleeve;

FIG. 12 is a schematic view of the structure of the handle body;

FIG. 13 is an enlarged view of section A of FIG. 2;

fig. 14 is a structural view of the second bristle body.

Detailed Description

As shown in fig. 1 to 14, an electric toothbrush comprises a handle 1 and a toothbrush head 2, the toothbrush head 2 includes a base 21 and a rotary cover 22, the base 21 is connected to the handle 1, the rotary cover 22 is rotatably disposed on the base 21, a plurality of first bristle bodies 23 are fixedly disposed on the rotary cover 22, the first bristle bodies 23 are not necessarily perpendicular to the outer surface of the rotary cover 22, and can be tilted at a certain angle, and the first bristle bodies 23 can be different in size and can be randomly disposed, at least one guide groove 211 is disposed on the base 21, a second bristle body 3 is slidably disposed on the guide groove 211 of the base 21, an inclined hole 221 for the second bristle body 3 to penetrate is disposed on the rotary cover 22, the inner wall of the inclined hole 221 of the rotary cover 22 can abut against the second bristle body 3 while rotating, thereby driving the second bristle body 3 to slide along the guide groove 211, a driving component for driving the rotating cover 22 to rotate is arranged between the handle body 1 and the toothbrush head 2.

In this embodiment, the second bristle body 3 is fixed or integrally provided with the guide rod 31, the guide rod 31 is inserted into the guide groove 211, the guide rod 31 is slidably engaged with the guide groove 211, the guide rod 31 is fixed or integrally provided with the stopper 32 at the corresponding inclined hole 221, the rotating cover 22 is provided with the stopper groove 222 for the stopper 32 to move, and the stopper 32 is stopped by the stopper groove 222 to limit the second bristle body 3 from separating from the base 21.

In this embodiment, the rotating cover 22 is fixedly or integrally provided with a rotating shaft 223 at a side close to the base 21, the base 21 is provided with a through hole 212 through which the rotating shaft 223 passes, an elastic stopper 2231 is integrally provided at an end of the rotating shaft 223 extending out of the through hole 212, and the elastic stopper 2231 abuts against the base 21 to limit the rotating cover 22 from separating from the base 21.

In this embodiment, the number of the guide grooves 211 is four, and the guide grooves 211 are distributed around the through hole 212 at intervals, the two adjacent guide grooves 211 are perpendicular to each other, each guide groove 211 is correspondingly provided with one second bristle body 3, and the rotating cover 22 can drive each second bristle body 3 to slide in the direction of gathering or spreading. Of course, the direction of the guide groove can be random or directional.

In this embodiment, the driving assembly includes a motor device 41 and a driving rod 42, the motor device 41 is fixedly disposed in the handle body 1, the driving rod 42 is rotatably disposed on the base 21 along the length direction of the handle body 1, an output shaft of the motor device 41 can drive the driving rod 42 to rotate, and the driving rod 42 drives the rotating cover 22 to rotate in a reciprocating manner through an eccentric structure, so that the second bristle body 3 slides in a reciprocating manner along the guide groove 211. Of course, the driving rod can move along the length of the handle body to drive the rotating cover to rotate in a reciprocating manner.

In this embodiment, the eccentric structure includes a ball shaft 421 disposed on the driving rod 42 and a spherical cavity 224 disposed on the rotating cover 22, the ball shaft 421 is disposed offset from the central axis of the driving rod 42, the ball shaft 421 is inserted into the spherical cavity 224, the driving rod 42 drives the ball shaft 421 to perform eccentric motion, and the ball shaft 421 abuts against the inner wall of the spherical cavity 224 to drive the rotating cover 22 to rotate reciprocally.

In this embodiment, the driving assembly further includes a transmission sleeve 43, one end of the transmission sleeve 43 is connected with the output shaft of the motor device 41 in a circumferential linkage manner, and the other end of the transmission sleeve 43 is connected with the driving rod 42 in a circumferential linkage manner and is axially connected in an inserting manner.

In this embodiment, a plug 422 is integrally disposed at an end of the driving rod 42, a socket 431 into which the plug 422 is inserted is disposed at an end of the transmission sleeve 43, the plug 422 is inserted into the socket 431 to realize circumferential linkage connection between the driving rod 42 and the transmission sleeve 43, an output shaft of the motor device 41 is disposed along a length direction of the handle body 1, and an end of the transmission sleeve 43 away from the plug 422 is tightly fitted around the output shaft of the motor device 41.

In this embodiment, the end of the base 21 is provided with a connector 213, the end of the handle 1 is provided with an insertion cavity 11 into which the connector 213 is inserted, and the handle 1 is connected with the connector 213 in a snap-fit manner.

In this embodiment, an elastic latch 214 is disposed on a side wall of the connecting head 213, a slot 12 for the elastic latch 214 to be latched is disposed on an inner wall of the insertion cavity 11, a slot 215 is disposed on an outer side surface of the connecting head 213 along a length direction of the handle 1, an insertion block 13 is disposed on an inner wall of the insertion cavity 11 corresponding to the outer side surface, and the insertion block 13 is slidably engaged with the slot 215 in a guiding manner. Of course, the connecting head 213 may be provided with an insertion block, and the inner wall of the corresponding insertion cavity 11 may be provided with an insertion slot.

The above embodiments are only preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides an electric toothbrush, includes handle body and toothbrush head, its characterized in that: the toothbrush head includes the base and rotates the lid, and the base is connected with the handle body, rotates to cover and rotates the setting on the base, rotates to cover fixedly and is provided with the first bristle body of a plurality of, be provided with at least one guide way on the base, the base slides in guide way department and is provided with the second bristle body, rotate to cover and be provided with the inclined hole that supplies the second bristle body to wear to establish, rotate to cover the inner wall conflict second bristle body of accessible inclined hole when the rotation to drive the second bristle body and slide along the guide way, be provided with the drive between handle body and the toothbrush head and rotate and cover pivoted drive assembly.

2. An electric toothbrush according to claim 1, wherein: the fixed or integrative guide bar that is provided with of second brush hair body, the cooperation that slides of guide bar and guide way, the guide bar is provided with the stopper in corresponding bevel connection department, rotates the lid and is provided with the spacing groove that supplies the stopper activity, and spacing groove backstop stopper can restrict the second brush hair body and break away from the base.

3. An electric toothbrush according to claim 1 or 2, wherein: the rotating cover is provided with a rotating shaft on one side close to the base, a through hole for the rotating shaft to penetrate is formed in the base, an elastic stop block is arranged at the end part of the rotating shaft, which extends out of the through hole, and the elastic stop block is abutted against the base to limit the rotating cover to be separated from the base.

4. An electric toothbrush according to claim 3, wherein: the guide grooves are four in number and distributed around the through hole at intervals, each guide groove is correspondingly provided with a second bristle body, and the rotating cover can drive each second bristle body to slide towards the gathering or spreading direction.

5. An electric toothbrush according to claim 1 or 2, wherein: the drive assembly comprises a motor device and a drive rod, the motor device is fixedly arranged in the handle body, the drive rod is rotatably arranged on the base along the length direction of the handle body, an output shaft of the motor device can drive the drive rod to rotate, and the drive rod drives the rotating cover to rotate in a reciprocating mode through the eccentric structure to realize reciprocating sliding of the second bristle body along the guide groove.

6. An electric toothbrush according to claim 5, wherein: the eccentric structure comprises a ball head shaft arranged on the driving rod and a spherical cavity arranged on the rotating cover, the ball head shaft is arranged by deviating from the central shaft of the driving rod, the ball head shaft is inserted into the spherical cavity, the driving rod drives the ball head shaft to do eccentric motion, and the ball head shaft abuts against the inner wall of the spherical cavity to drive the rotating cover to rotate in a reciprocating mode.

7. An electric toothbrush according to claim 5, wherein: the driving assembly further comprises a transmission sleeve, one end of the transmission sleeve is connected with an output shaft of the motor device in a circumferential linkage mode, and the other end of the transmission sleeve is connected with the driving rod in a circumferential linkage mode and is connected with the driving rod in an axial plugging mode.

8. An electric toothbrush according to claim 7, wherein: the end part of the driving rod is provided with a plug-in connector, the end part of the transmission sleeve is provided with a socket for the plug-in connector to be inserted into, the plug-in connector is inserted into the socket to realize circumferential linkage connection of the driving rod and the transmission sleeve, the output shaft of the motor device is arranged along the length direction of the handle body, and the transmission sleeve is sleeved on the output shaft of the motor device, wherein one end of the transmission sleeve, which is far away from the plug-in connector, is tightly matched with the plug-in connector.

9. An electric toothbrush according to claim 1 or 2, wherein: the end of the base is provided with a connector, the end of the handle body is provided with an inserting cavity for the connector to be inserted, and the handle body is connected with the connector in a buckling mode.

10. An electric toothbrush according to claim 9, wherein: the side wall of the connector is provided with an elastic clamping block, the inner wall of the insertion cavity is provided with a clamping groove for the elastic clamping block to be clamped, the outer side surface of the connector is provided with an insertion groove or an insertion block along the length direction of the handle body, the inner wall of the insertion cavity corresponding to the insertion block is provided with the insertion block or the insertion groove, and the insertion block and the insertion groove are in guide sliding fit.