CN114869523B

CN114869523B - Multifunctional electric toothbrush power handle

Info

Publication number: CN114869523B
Application number: CN202210670982.XA
Authority: CN
Inventors: 雷德贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2023-11-21
Anticipated expiration: 2042-06-13
Also published as: WO2023241533A1; CN114869523A

Abstract

The invention discloses a multifunctional electric toothbrush power handle, and relates to the technical field of electric toothbrushes. Wherein, multi-functional electric toothbrush power handle includes: the brush comprises a brush handle, a control main board, a brush rod, a battery assembly and a transmission structure; the transmission structure comprises: the device comprises a driving motor, a gear assembly, a transmission main rod, a driven rod and a supporting frame; the driving main rod is provided with a driving cavity, the driven rod penetrates through the driving cavity, and the driving motor drives the crankshaft assembly to rotate through the driving gear assembly, so that the crankshaft assembly drives the driving main rod and the driven rod to do telescopic motion; the bottom of the transmission main rod is connected with a gear component, the gear component is also used for driving the transmission main rod to swing left and right, and the brush rod is sleeved at one end of the transmission main rod far away from the brush handle. Therefore, when the existing electric toothbrush is used for cleaning teeth, the brush head can only clean teeth in one direction, and the brush handle is required to be continuously rotated; in addition, when cleaning different parts of teeth, the brush handle is required to be continuously pushed and pulled, and the problem of poor use experience is solved.

Description

Multifunctional electric toothbrush power handle

Technical Field

The invention relates to the technical field of electric toothbrushes, in particular to a multifunctional electric toothbrush power handle.

Background

It is difficult to clean plaque using conventional toothbrushes, and if the conventional toothbrushes are used and the teeth are brushed in an improper manner, the cleaning action of the conventional toothbrushes is greatly compromised, even causing serious damage to the gums and teeth. Along with the progress of science and technology, the requirements of people on living standard are continuously improved, and the electric toothbrush can avoid the harm of the traditional toothbrush by virtue of the electric toothbrush, and meanwhile, the electric toothbrush brings fun to people and is gradually accepted by the market. However, when the existing electric toothbrush is used for cleaning teeth, the brush head can only clean the teeth in one direction, and the brush handle is required to be continuously rotated; in addition, when cleaning different parts of teeth, the brush handle is required to be continuously pushed and pulled, and the use experience is poor.

Therefore, the prior art needs to be improved, a more reasonable technical scheme is provided, and the problems existing in the prior art are solved.

Disclosure of Invention

In order to solve the problem that when the existing electric toothbrush is used for cleaning teeth, the brush head only can clean the teeth in one direction, and the brush handle is required to be continuously rotated; in addition, when cleaning different parts of teeth, the brush handle is required to be continuously pushed and pulled, and the problem of poor use experience is solved.

In a first aspect, an embodiment of the invention provides a multifunctional electric toothbrush power handle, which comprises a handle, a control main board, a brush rod, a battery assembly and a transmission structure;

the battery assembly, the control main board and the transmission structure are arranged in the inner cavity of the brush handle, and the transmission structure comprises a driving motor, a gear assembly, a transmission main rod, a driven rod and a supporting frame; the driving motor, the gear assembly and the crankshaft assembly are connected with the support frame, the transmission main rod is provided with a transmission cavity, the driven rod penetrates through the transmission cavity, and the driving motor drives the crankshaft assembly to rotate through the gear assembly so that the crankshaft assembly drives the transmission main rod and the driven rod to stretch out and retract; the bottom of the transmission main rod is connected with a gear assembly, and the gear assembly is also used for driving the transmission main rod to swing left and right; the battery pack is electrically connected with the driving motor, and the brush rod is sleeved at one end of the transmission main rod far away from the brush handle.

In one possible design, the brush holder is provided with a telescopic opening at one end far away from the battery assembly, one end of the brush rod is arranged in the telescopic opening, one end of the brush rod, facing the battery assembly, is provided with a silica gel sleeve, the periphery of the silica gel sleeve is connected with the brush holder, and the silica gel sleeve is used for sealing the telescopic opening.

In one possible design, the multifunctional electric toothbrush power handle further comprises a control panel, the control panel is electrically connected with the control main board, the brush handle is provided with a control port, and the control panel is arranged in the brush handle, fixedly connected with the support frame and clamped in the control port.

In one possible design, the gear assembly comprises a gear set, a supporting piece and a driving shaft, wherein the supporting piece and the driving shaft are respectively connected with the gear set in a transmission way, a U-shaped groove is formed in the bottom of the transmission main rod, the supporting piece is arranged on one side or two sides of the U-shaped groove, the gear set is used for driving the supporting piece to rotate under the action of a driving motor, and the transmission main rod swings left and right under the action of the supporting piece; the driving shaft is used for driving the crank shaft assembly to rotate under the action of the driving motor so that the crank shaft assembly drives the transmission main rod and the driven rod to do telescopic motion; the driving shaft is in transmission connection with the crankshaft assembly.

In one possible design, the crankshaft assembly comprises a first crankshaft, a second crankshaft, a transmission meshing gear and two groups of crankshaft rods, wherein the first crankshaft is connected with the second crankshaft, the two groups of crankshaft rods are respectively positioned at two sides of the first crankshaft and the second crankshaft, two sides of the crankshaft rods are respectively connected with the supporting frame through bearings, and the transmission meshing gear is in transmission connection with the driving shaft;

the transmission main rod is connected with the first curved rod, and the driven rod is connected with the second curved rod; or the driven rod is connected with the first curved rod, and the transmission main rod is connected with the second curved rod.

In one possible design, the distance from the first crankshaft lever connected to the transmission main lever to the crankshaft axis is greater than the distance from the second crankshaft lever connected to the driven lever to the crankshaft axis.

In one possible design, the middle part of the transmission main rod is provided with a slot hole, and the first crankshaft is arranged in the slot hole in a penetrating way.

In one possible design, the driven rod comprises a driven shaft and a driven seat connected with the bottom of the driven shaft, the driven seat is provided with a transverse groove, the second curved rod is arranged in the transverse groove in a penetrating way, and the driven rod is arranged in the transmission cavity.

In one possible design, the top of the follower lever is provided with an external fitting.

In one possible design, the height of the abutment is less than the depth of the U-shaped groove.

The invention discloses a multifunctional electric toothbrush power handle, and relates to the technical field of electric toothbrushes. Wherein, multi-functional electric toothbrush power handle includes: the brush comprises a brush handle, a control main board, a brush rod, a battery assembly and a transmission structure; the transmission structure comprises: the device comprises a driving motor, a gear assembly, a transmission main rod, a driven rod and a supporting frame; the driving main rod is provided with a driving cavity, the driven rod penetrates through the driving cavity, and the driving motor drives the crankshaft assembly to rotate through the driving gear assembly, so that the crankshaft assembly drives the driving main rod and the driven rod to do telescopic motion; the bottom of the transmission main rod is connected with a gear component, the gear component is also used for driving the transmission main rod to swing left and right, and the brush rod is sleeved at one end of the transmission main rod far away from the brush handle. The top of transmission mobile jib is used for connecting the brush-holder stud, and the bottom and the gear assembly transmission of transmission mobile jib are connected simultaneously, and gear assembly still is used for driving the transmission mobile jib and control the swing, can make the brush-holder stud of being connected with the transmission mobile jib flexible from top to bottom in control the swing, has promoted electric toothbrush's use enjoyment. And through setting up the driven lever, the driven lever can be connected with the brush hair board that the brush head of connecting on the brush pole matches, drives brush hair board on the brush head regular clockwise or anticlockwise reciprocating motion. When the electric toothbrush with the electric toothbrush transmission structure is used for brushing teeth, the brush head swings, and meanwhile, the extension and retraction of the brush head can be controlled, and the bristle plate can also finely adjust the angles of bristles. Therefore, when the existing electric toothbrush is used for cleaning teeth, the brush head can only clean teeth in one direction, and the brush handle is required to be continuously rotated; in addition, when cleaning different parts of teeth, the brush handle is required to be continuously pushed and pulled, and the problem of poor use experience is solved.

The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic view of the structure of a power handle of a multifunctional electric toothbrush;

FIG. 2 is an enlarged view of a portion A of the power handle of the multi-functional electric toothbrush;

FIG. 3 is an enlarged view of a portion B of the power handle of the multi-functional electric toothbrush;

FIG. 4 is a schematic diagram of a transmission structure;

FIG. 5 is a schematic diagram of the structure of the transmission boom;

fig. 6 is a schematic structural view of the driven lever.

Icon: 1-a multifunctional electric toothbrush power handle; 20-a brush handle; 21-a control motherboard; 22-brush bar; 23-a battery assembly; 10-a transmission structure; 100-driving a motor; 200-a gear assembly; 400-transmission main rod; 500-driven bar; 300-crankshaft assembly; 600-supporting frames; 410-a transmission chamber; 420-U-shaped groove; 24-telescoping mouth; 25-a silica gel sleeve; 26-a control panel; 27-a control port; 210-gear set; 220-a holding piece; 230-a drive shaft; 310-a first curved bar; 320-a second curved bar; 330-drive engagement teeth; 340-a crankshaft rod; 350-bearing; 430-slots; 510-a driven shaft; 520-a driven seat; 530-transverse slots; 540-external member.

Detailed Description

The invention will be further elucidated with reference to the drawings and to specific embodiments. The present invention is not limited to these examples, although they are described in order to assist understanding of the present invention.

Referring to fig. 1 to 6, a multifunctional electric toothbrush power handle 1 according to an embodiment of the present invention includes: handle 20, control motherboard 21, brush pole 22, battery pack 23, transmission structure 10.

Wherein, battery pack 23, control mainboard 21 and transmission structure 10 locate the inner chamber of brush holder 20, and transmission structure 10 includes: the driving motor 100, the gear assembly 200, the transmission main lever 400, the driven lever 500 and the supporting frame 600; the driving motor 100, the gear assembly 200 and the crank assembly 300 are all connected with the support frame 600, the transmission main rod 400 is provided with a transmission cavity 410, the driven rod 500 penetrates through the transmission cavity 410, and the driving motor 100 drives the crank assembly 300 to rotate through the gear assembly 200 so that the crank assembly 300 drives the transmission main rod 400 and the driven rod 500 to do telescopic motion; the bottom of the transmission main rod 400 is connected with the gear assembly 200, and the gear assembly 200 is also used for driving the transmission main rod 400 to swing left and right; the battery assembly 23 is electrically connected with the driving motor 100, and the brush bar 22 is sleeved at one end of the transmission main bar 400 far away from the brush holder 20.

In this embodiment, the battery assembly 23 and the control main board 21 are disposed in the inner cavity of the brush holder 20 and fixed; the brush holder 20 is used for fixedly mounting a support frame 600, and the support frame 600 fixes the driving motor 100, the gear assembly 200 and the crank assembly 300. The driving motor 100 may be a miniature low-power driving gear motor, such as a stepper motor, a hollow cup motor, a dc brush motor, or a dc brushless motor. The battery assembly 23 and the driving motor 100 are electrically connected with the control main board 21, the control main board 21 is used for managing the working state of the driving motor 100, the battery assembly 23 is of a structure matched with the inner cavity of the brush holder 20, and the battery assembly 23 is used for supplying power to the main board and the driving motor 100. The driving motor 100 drives the gear assembly 200 to drive the crank assembly 300 to rotate, and the driving main rod 400 and the driven rod 500 are connected with the crank assembly 300, so that the driving main rod 400 and the driven rod 500 are driven to perform telescopic movement when the crank assembly 300 rotates. It is apparent that, since the driving main lever 400 and the driven lever 500 are respectively connected at different positions of the crank assembly 300, the driving main lever 400 may be provided with an arc or a bent angle such that the driven lever 500 is inserted into the driving chamber 410. Meanwhile, the driving main lever 400 and the driven lever 500 may be connected at different positions of the crank assembly 300 with the same or different telescopic magnitudes, so that the driving main lever 400 and the driven lever 500 may move relatively or synchronously.

The top of transmission mobile jib 400 is used for connecting brush-holder stud 22, and the bottom of transmission mobile jib 400 is connected with gear assembly 200 transmission simultaneously, and gear assembly 200 still is used for driving transmission mobile jib 400 and swings about, can make the brush-holder stud 22 who is connected with transmission mobile jib 400 stretch out and draw back from top to bottom when swinging about, has promoted electric toothbrush's use enjoyment. And, by providing the driven bar 500, the driven bar 500 can be connected with a bristle plate matched with the brush head connected to the brush bar 22 to drive the bristle plate to regularly reciprocate clockwise or counterclockwise on the brush head. When the electric toothbrush designed by the electric toothbrush transmission structure 10 is used for brushing teeth, the brush head swings, and meanwhile, the extension and retraction of the brush head can be controlled, and the bristle plate can also finely adjust the angles of bristles. Therefore, when the existing electric toothbrush is used for cleaning teeth, the brush head can only clean teeth in one direction, and the brush handle is required to be continuously rotated; in addition, when cleaning different parts of teeth, the brush handle is required to be continuously pushed and pulled, and the problem of poor use experience is solved.

In one possible design, the end of the brush holder 20 away from the battery assembly 23 is provided with a telescopic opening 24, the end of the brush rod 22 is arranged in the telescopic opening 24, the end of the brush rod 22 facing the battery assembly 23 is provided with a silica gel sleeve 25, the periphery of the silica gel sleeve 25 is connected with the brush holder 20, and the silica gel sleeve 25 is used for sealing the telescopic opening 24.

In the present embodiment, by providing the telescopic mouth 24, it is possible to prevent the telescopic movement of the brush bar 22 from being caught by the lips of the user when brushing teeth with the multi-function toothbrush corresponding to the multi-function electric toothbrush power handle 1; meanwhile, the silica gel sleeve 25 is arranged, so that external moisture can be prevented from entering when the multifunctional toothbrush corresponding to the multifunctional electric toothbrush power handle 1 is used for brushing teeth.

In one possible design, the multifunctional electric toothbrush power handle 1 further comprises a control panel 26, the control panel 26 is electrically connected with the control main board 21, the handle 20 is provided with a control port 27, and the control panel 26 is arranged in the handle 20 and fixedly connected with the support frame 600 and is clamped in the control port 27.

By providing the control panel 26, the state of the driving motor 100 can be changed by adjusting the control main board 21 through the control panel 26, and different tooth cleaning settings can be performed according to different control modes.

In one possible design, the gear assembly 200 includes a gear set 210, a supporting member 220 and a driving shaft 230, wherein the supporting member 220 and the driving shaft 230 are respectively connected with the gear set 210 in a transmission way, a U-shaped groove 420 is arranged at the bottom of the transmission main rod 400, the supporting member 220 is arranged at one side or two sides of the U-shaped groove 420, the gear set 210 is used for driving the supporting member 220 to rotate under the action of the driving motor 100, and the transmission main rod 400 swings left and right under the action of the supporting member 220; the driving shaft 230 is used for driving the crank assembly 300 to rotate under the action of the driving motor 100, so that the crank assembly 300 drives the transmission main rod 400 and the driven rod 500 to do telescopic motion; the drive shaft 230 is drivingly connected to the crankshaft assembly 300.

In order to control the left-right swing of the transmission main rod 400, various control structures can be adopted; in this embodiment, the bottom of the transmission main rod 400 is provided with a U-shaped groove 420, the propping member 220 is disposed at two sides of the U-shaped groove 420, the propping member 220 is driven by the gear set 210 to rotate, and the propping member 220 can be provided with a protrusion to prop against one side of the U-shaped groove 420, so that the U-shaped groove 420 swings under the protrusion to drive the transmission main rod 400 to swing. Meanwhile, the gear set 210 is further used for driving the supporting piece 220 to rotate under the action of the driving motor 100, so that the crankshaft assembly 300 drives the transmission main rod 400 and the driven rod 500 to stretch and retract; it will be appreciated that the drive shaft 230 is drivingly connected to the crankshaft assembly 300 and may be driven in a variety of connection arrangements, such as in the form of a helical gear engagement.

In one possible design, the crankshaft assembly 300 includes a first crankshaft 310, a second crankshaft 320, a drive engagement gear 330, and two sets of crankshaft rods 340, the first crankshaft 310 being connected to the second crankshaft 320, the two sets of crankshaft rods 340 being located on either side of the first crankshaft 310 and the second crankshaft 320, the two sides of the crankshaft rods 340 being connected to the support frame 600 by bearings 350, respectively, the drive engagement gear 330 being in drive connection with the drive shaft 230; the transmission main rod 400 is connected with the first curved rod 310, and the driven rod 500 is connected with the second curved rod 320; or the driven lever 500 is connected with the first curved lever 310, and the driving main lever 400 is connected with the second curved lever 320.

In this embodiment, the first curved bar 310 is connected to the second curved bar 320, and the distances from the first curved bar 310 and the second curved bar 320 to the axis of the crank shaft 340 may be equal or different, and the crank shaft 340 drives the first curved bar 310 and the second curved bar 320 to rotate around the axis of the crank shaft 340 when rotating, so as to drive the transmission main bar 400 and the driven bar 500 to reciprocate. The transmission engagement teeth 330 are mainly used for being in transmission connection with the driving shaft 230 so that the gear set 210 drives the crankshaft lever 340 to rotate; wherein, two sets of crank rods 340 are provided, which mainly plays a role in connection, and the crank rods 340 are connected with the supporting frame 600 through bearings 350, so that the overall stability of the first crank rod 310 and the second crank rod 320 during rotation is ensured.

In one possible design, the first crankshaft lever 340 coupled to the transmission main lever 400 is spaced from the axis of the crankshaft lever 340 more than the second crankshaft lever 320 coupled to the driven lever 500 is spaced from the axis of the crankshaft lever 340.

In this embodiment, since the amplitude of the movement of the driven rod 500 to drive the brush plate to rotate should be smaller than the telescopic amplitude of the transmission main rod 400, when the transmission main rod 400 is connected to the first curved rod 310 and the driven rod 500 is connected to the second curved rod 320, the distance from the first curved rod 310 connected to the transmission main rod 400 to the axis of the crank shaft 340 is greater than the distance from the second curved rod 320 connected to the driven rod 500 to the axis of the crank shaft 340. In particular, the electric toothbrush can be arranged according to the use situation of the electric toothbrush.

In one possible design, the transmission main rod 400 is provided with a slot 430 in the middle, and the first crankshaft is disposed in the slot 430.

The middle part of the transmission main rod 400 is provided with a slot 430 so as not to squeeze the first curved rod 310 when the supporting member 220 supports the transmission main rod 400, and to drive the transmission main rod 400 to reciprocate when the first curved rod 310 is driven.

In one possible design, the driven rod 500 includes a driven shaft 510 and a driven seat 520 connected to the bottom of the driven shaft 510, the driven seat 520 is provided with a transverse slot 530, the second curved rod 320 is disposed in the transverse slot 530, and the driven rod 500 is disposed in the transmission cavity 410.

By providing the transverse groove 530, the second curved bar 320 is inserted into the transverse groove 530, and can drive the driven shaft 510 to reciprocate when the second curved bar 320 rotates.

In one possible design, the top of the follower lever 500 is provided with an external fitting 540.

The top of the driven rod 500 is provided with an external connector 540, which is mainly used for connecting with the brush plate transmission structure 10 of the electric brush head, so that the electric brush head can be replaced conveniently.

In one possible design, the height of the abutment 220 is less than the depth of the U-shaped groove 420.

Since the transmission main rod 400 reciprocates under the driving of the first curved rod 310, i.e. reciprocates relative to the abutting member 220, in order to ensure the stability of the abutting member 220 abutting the U-shaped groove 420, the height of the abutting member 220 is smaller than the depth of the U-shaped groove 420.

In summary, the foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-functional electric toothbrush power handle, comprising: the brush comprises a brush handle, a control main board, a brush rod, a battery assembly and a transmission structure; wherein,

the battery assembly, the control main board and the transmission structure are arranged in the inner cavity of the brush handle, and the transmission structure comprises a driving motor, a gear assembly, a transmission main rod, a driven rod and a supporting frame; the driving motor, the gear assembly and the crankshaft assembly are connected with the supporting frame, the transmission main rod is provided with a transmission cavity, the driven rod penetrates through the transmission cavity, and the driving motor drives the crankshaft assembly to rotate through the gear assembly so that the crankshaft assembly drives the transmission main rod and the driven rod to do telescopic motion; the bottom of the transmission main rod is connected with the gear assembly, and the gear assembly is also used for driving the transmission main rod to swing left and right; the battery assembly is electrically connected with the driving motor, and the brush rod is sleeved at one end of the transmission main rod, which is far away from the brush handle;

the gear assembly comprises a gear set, a propping piece and a driving shaft, the propping piece and the driving shaft are respectively connected with the gear set in a transmission way, a U-shaped groove is formed in the bottom of the transmission main rod, the propping piece is arranged on one side or two sides of the U-shaped groove, the gear set is used for driving the propping piece to rotate under the action of the driving motor, and the transmission main rod swings left and right under the action of the propping piece; the driving shaft is used for driving the crank shaft assembly to rotate under the action of the driving motor so that the crank shaft assembly drives the transmission main rod and the driven rod to do telescopic motion; the drive shaft is in driving connection with the crankshaft assembly.

2. The multifunctional electric toothbrush power handle according to claim 1, wherein a telescopic opening is formed in one end, far away from the battery assembly, of the brush handle, one end of the brush rod is arranged in the telescopic opening, a silica gel sleeve is arranged at one end, facing the battery assembly, of the brush rod, the periphery of the silica gel sleeve is connected with the brush handle, and the silica gel sleeve is used for sealing the telescopic opening.

3. The multifunctional electric toothbrush power handle according to claim 1, further comprising a control panel, wherein the control panel is electrically connected with the control main board, the handle is provided with a control opening, and the control panel is arranged in the handle, fixedly connected with the support frame and clamped in the control opening.

4. The multifunctional electric toothbrush power handle according to claim 1, wherein the crankshaft assembly comprises a first crankshaft, a second crankshaft, transmission meshing teeth and two groups of crankshaft rods, the first crankshaft is connected with the second crankshaft, the two groups of crankshaft rods are respectively positioned at two sides of the first crankshaft and the second crankshaft, two sides of the crankshaft rods are respectively connected with the supporting frame through bearings, and the transmission meshing teeth are in transmission connection with the driving shaft;

5. The multipurpose electric toothbrush power handle according to claim 4, wherein a distance from a first crank lever connected to the transmission main lever to an axis of the crank lever is greater than a distance from a second crank lever connected to the driven lever to an axis of the crank lever.

6. The power handle of claim 5, wherein a slot is formed in the middle of the transmission main rod, and the first crankshaft is inserted into the slot.

7. The multifunctional electric toothbrush power handle according to claim 5, wherein the driven rod comprises a driven shaft and a driven seat connected with the bottom of the driven shaft, a transverse groove is formed in the driven seat, the second curved rod penetrates through the transverse groove, and the driven rod is arranged in the transmission cavity.

8. The power handle of claim 7, wherein the top of the driven bar is provided with an external connector.

9. The multipurpose electric toothbrush power handle of claim 1, wherein the height of the abutment is less than the depth of the U-shaped slot.