CN114869523A

CN114869523A - Multifunctional power handle of electric toothbrush

Info

Publication number: CN114869523A
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: 2022-08-09
Anticipated expiration: 2042-06-13
Also published as: WO2023241533A1; CN114869523B

Abstract

The invention discloses a multifunctional power handle of an electric toothbrush, and relates to the technical field of electric toothbrushes. Wherein, multi-functional electric toothbrush power handle includes: the brush handle, the control main board, the brush rod, the battery component and the transmission structure; the transmission structure includes: the driving motor, the gear assembly, the transmission main rod, the driven rod and 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 driving gear assembly, so that the crankshaft assembly drives the transmission main rod and the driven rod to do telescopic motion; the bottom of transmission mobile jib is connected with the gear assembly, and the gear assembly still is used for driving transmission mobile jib horizontal hunting, and the brush-holder stud cover is located the one end that the brush holder was kept away from to the transmission mobile jib. Therefore, the problem that 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 needs to be continuously rotated is solved; and when different parts of the teeth are cleaned, the brush handle needs to be continuously pushed and pulled, so that the use experience is poor.

Description

Multifunctional power handle of electric toothbrush

Technical Field

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

Background

When a conventional toothbrush is used to brush teeth, plaque is difficult to remove, and if the conventional toothbrush is used and the teeth are brushed in an inappropriate manner, the cleaning effect of the conventional toothbrush is greatly reduced, and even gums and teeth are seriously damaged. With the progress of science and technology, the requirements of people on the living standard are continuously improved, the electric toothbrush can avoid the harm of the traditional toothbrush by virtue of the electric toothbrush, 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 needs to be rotated continuously; in addition, when different parts of teeth are cleaned, the brush handle needs 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 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 can only clean the teeth in one direction, and the brush handle needs to be continuously rotated; and when different parts of the teeth are cleaned, the brush handle needs to be continuously pushed and pulled, so that the use experience is poor.

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

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 support frame; the driving motor, the gear assembly and the crankshaft assembly are all 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 move telescopically; 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 component 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.

In a possible design, the telescopic opening is formed in the end, far away from the battery pack, of the brush holder, the end, facing the battery pack, of the brush holder 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 a 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 opening, and the control panel is arranged in the brush handle and fixedly connected with the support frame and clamped in the control opening.

In one possible design, the gear assembly comprises a gear set, a butting piece and a driving shaft, the butting piece and the driving shaft are respectively in transmission connection with the gear set, a U-shaped groove is formed in the bottom of the transmission main rod, the butting piece is arranged on one side or two sides of the U-shaped groove, the gear set is used for driving the butting piece to rotate under the action of the driving motor, and the transmission main rod swings left and right under the action of the butting piece; the driving shaft is used for driving the crankshaft assembly to rotate under the action of the driving motor so as to drive 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 crank rod, a second crank rod, a transmission meshing tooth and two groups of crankshaft rods, the first crank rod is connected with the second crank rod, the two groups of crankshaft rods are respectively positioned at two sides of the first crank rod and the second crank rod, two sides of the crankshaft rods are respectively connected with the supporting frame through bearings, and the transmission meshing tooth 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, a first crank rod connected to the transmission main rod is located at a greater distance from the axis of the crank rod than a second crank rod connected to the driven rod.

In a possible design, a slotted hole is formed in the middle of the transmission main rod, and the first crankshaft penetrates through the slotted hole.

In a possible design, 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.

In one possible design, the top of the driven rod is provided with an extension.

In one possible design, the height of the holding piece is smaller than the depth of the U-shaped groove.

The invention discloses a multifunctional power handle of an electric toothbrush, and relates to the technical field of electric toothbrushes. Wherein, multi-functional electric toothbrush power handle includes: the brush handle, the control main board, the brush rod, the battery component and the transmission structure; the transmission structure includes: the driving motor, the gear assembly, the transmission main rod, the driven rod and 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 driving gear assembly, so that the crankshaft assembly drives the transmission main rod and the driven rod to do telescopic motion; the bottom of transmission mobile jib is connected with the gear assembly, and the gear assembly still is used for driving transmission mobile jib horizontal hunting, and the brush-holder stud cover is located the one end that the brush holder was kept away from to the transmission mobile jib. 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 the gear assembly still is used for driving transmission mobile jib horizontal hunting, can make the brush-holder stud of being connected with the transmission mobile jib stretch out and draw back from top to bottom in horizontal hunting, 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 matches of brush head on the brush pole, drives the regular clockwise or anticlockwise reciprocating motion of brush hair board on the brush head. When the electric toothbrush using the electric toothbrush transmission structure design brushes teeth, the brush head swings, the stretching of the brush head can not be controlled, and the brushing plate can also finely adjust the angle of the brushing hair. Therefore, the problem that 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 needs to be continuously rotated is solved; and when different parts of the teeth are cleaned, the brush handle needs to be continuously pushed and pulled, so that the use experience is poor.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

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 refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic structural view of a power handle of a multi-functional 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 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 structural diagram of the transmission main rod;

fig. 6 is a schematic view of the construction of the follower lever.

Icon: 1-a multifunctional power handle of an electric toothbrush; 20-brush handle; 21-control the mainboard; 22-a brush bar; 23-a battery assembly; 10-a transmission structure; 100-a drive motor; 200-a gear assembly; 300-a transmission main rod; 400-driven rod; 500-crankshaft assembly; 600-a support frame; 410-a transmission cavity; 420-U-shaped groove; 24-a stretch-shrink mouth; 25-silica gel sleeve; 26-a control panel; 27-a control port; 210-gear set; 220-a holding member; 230-a drive shaft; 310-a first knee lever; 320-a second curved bar; 330-driving engagement teeth; 340-crankshaft rod; 350-a bearing; 430-slot; 510-a driven shaft; 520-a driven seat; 530-transverse grooves; 540-external connection.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

Referring to fig. 1 to 6, a multi-functional power handle 1 for an electric toothbrush according to an embodiment of the present invention includes: brush holder 20, control mainboard 21, brush-holder stud 22, battery pack 23, transmission structure 10.

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

In this embodiment, the battery assembly 23 and the control main board 21 are disposed in the inner cavity of the brush handle 20 and fixed; the brush handle 20 is used for fixedly mounting a support 600, and the support 600 fixes the driving motor 100, the gear assembly 200 and the crankshaft assembly 500. The driving motor 100 may be a miniature low-power driving speed-reducing motor, such as a stepping motor, a coreless motor, a dc brush motor or a dc brushless motor. Battery pack 23 and driving motor 100 all are connected with control mainboard 21 electricity, and control mainboard 21 is used for managing driving motor 100's operating condition, and battery pack 23 is for setting up the structure that matches with it according to the inner chamber of brush holder 20, and battery pack 23 is used for supplying power to mainboard and driving motor 100. The driving motor 100 drives the gear assembly 200 to drive the crankshaft assembly 500 to rotate, the transmission main rod 300 and the driven rod 400 are both connected with the crankshaft assembly 500, and when the crankshaft assembly 500 rotates, the transmission main rod 300 and the driven rod 400 are driven to move telescopically. Wherein, it can be seen that, since the transmission main rod 300 and the driven rod 400 are respectively connected to different positions of the crankshaft assembly 500, the transmission main rod 300 may be provided with an arc or a bend angle, so that the driven rod 400 penetrates through the transmission cavity 410. Meanwhile, the driving main rod 300 and the driven rod 400 may be coupled at different positions of the crankshaft assembly 500, and the extension and contraction amplitudes may be the same or different, so that the driving main rod 300 and the driven rod 400 may move relatively or simultaneously.

The top of transmission mobile jib 300 is used for connecting brush-holder stud 22, and the bottom and the gear assembly 200 transmission of transmission mobile jib 300 are connected simultaneously, and gear assembly 200 still is used for driving transmission mobile jib 300 horizontal hunting, can make the brush-holder stud 22 of being connected with transmission mobile jib 300 flexible from top to bottom when horizontal hunting, has promoted electric toothbrush's use enjoyment. And, through setting up the driven lever 400, the driven lever 400 can be connected with the brush head matched's that is connected on brush pole 22 brush board, drives the regular clockwise or anticlockwise reciprocating motion of brush board 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, the stretching of the brush head can not be controlled, and the angle of the bristles can be finely adjusted by the bristle plate. Therefore, the problem that 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 needs to be continuously rotated is solved; and when different parts of the teeth are cleaned, the brush handle needs to be continuously pushed and pulled, so that the use experience is poor.

In a possible design, a telescopic opening 24 is formed in one end, away from the battery assembly 23, of the brush holder 20, one end of the brush rod 22 is arranged in the telescopic opening 24, a silica gel sleeve 25 is arranged at one end, facing the battery assembly 23, of the brush rod 22, 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 this embodiment, the telescopic opening 24 can prevent the telescopic motion of the brush rod 22 from being clamped to the lips of the user when the multifunctional toothbrush corresponding to the multifunctional electric toothbrush power handle 1 is used for brushing teeth; meanwhile, the silica gel sleeve 25 is arranged, so that external moisture can be prevented from entering the multifunctional toothbrush corresponding to the multifunctional electric toothbrush power handle 1 when the multifunctional toothbrush is used for brushing teeth.

In a possible design, the multifunctional power handle 1 further includes a control panel 26, the control panel 26 is electrically connected to the control main board 21, the handle 20 is provided with a control opening 27, and the control panel 26 is disposed in the handle 20, fixedly connected to the supporting frame 600, and engaged with the control opening 27.

By arranging the control panel 26, the control panel 26 can adjust the control main board 21 to change the state of the driving motor 100, and different tooth cleaning settings can be executed according to different control modes.

In one possible design, the gear assembly 200 includes a gear set 210, a holding member 220 and a driving shaft 230, the holding member 220 and the driving shaft 230 are respectively in transmission connection with the gear set 210, a U-shaped groove 420 is formed at the bottom of the driving main rod 300, the holding 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 holding member 220 to rotate under the action of the driving motor 100, and the driving main rod 300 swings left and right under the action of the holding member 220; the driving shaft 230 is used for driving the crankshaft assembly 500 to rotate under the action of the driving motor 100, so that the crankshaft assembly 500 drives the transmission main rod 300 and the driven rod 400 to move telescopically; drive shaft 230 is drivingly connected to crankshaft assembly 500.

In order to control the left-right swing of the transmission main rod 300, various control structures can be adopted; in this embodiment, the bottom of the transmission main rod 300 is provided with a U-shaped groove 420, the abutting member 220 is disposed on two sides of the U-shaped groove 420, the abutting member 220 is driven by the gear set 210 to rotate, and the abutting member 220 may be provided with a protrusion to abut against one side of the U-shaped groove 420, so that the U-shaped groove 420 swings under the protrusion abutting to drive the transmission main rod 300 to swing. Meanwhile, the gear set 210 is further configured to drive the abutting member 220 to rotate under the action of the driving motor 100, so that the crankshaft assembly 500 drives the transmission main rod 300 and the driven rod 400 to perform telescopic motion; it will be appreciated that the drive shaft 230 is drivingly connected to the crankshaft assembly 500, and may be drivingly connected to a variety of structures, such as a helical gear mesh.

In one possible design, the crankshaft assembly 500 includes a first crank rod 310, a second crank rod 320, a transmission engaging tooth 330 and two sets of crank rods 340, the first crank rod 310 is connected with the second crank rod 320, the two sets of crank rods 340 are respectively located at two sides of the first crank rod 310 and the second crank rod 320, two sides of the crank rods 340 are respectively connected with the supporting frame 600 through bearings 350, and the transmission engaging tooth 330 is in transmission connection with the driving shaft 230; the transmission main rod 300 is connected with the first curved rod 310, and the driven rod 400 is connected with the second curved rod 320; or the driven rod 400 is connected with the first curved rod 310, and the driving main rod 300 is connected with the second curved rod 320.

In this embodiment, the first crank lever 310 and the second crank lever 320 are connected, the distances from the first crank lever 310 and the second crank lever 320 to the axis of the crank lever 340 may be equal or different, and the crank lever 340 drives the first crank lever 310 and the second crank lever 320 to rotate around the axis of the crank lever 340 when rotating, so as to drive the transmission main lever 300 and the driven lever 400 to reciprocate. The transmission meshing teeth 330 are mainly used for being in transmission connection with the driving shaft 230 so that the gear set 210 drives the crankshaft rod 340 to rotate; wherein, set up two sets of bent axle poles 340, mainly play the connection effect, bent axle pole 340 is connected with support frame 600 through bearing 350, and holistic stability when guaranteeing first bent lever 310 and second bent lever 320 rotation.

In one possible design, the first crank lever 340 connected to the transmission main lever 300 is located at a greater distance from the axial center of the crank lever 340 than the second crank lever 320 connected to the driven lever 400.

In this embodiment, since the rotation amplitude of the brush plate driven by the movement of the driven rod 400 should be smaller than the expansion amplitude of the transmission main rod 300, when the transmission main rod 300 is connected to the first curved rod 310 and the driven rod 400 is connected to the second curved rod 320, the distance from the first curved rod 310 connected to the transmission main rod 300 to the axis of the crankshaft rod 340 is greater than the distance from the second curved rod 320 connected to the driven rod 400 to the axis of the crankshaft rod 340. In particular, the electric toothbrush can be set according to the use scene of the electric toothbrush.

In one possible design, a slot 430 is formed in the middle of the main transmission rod 300, and the first crankshaft is inserted into the slot 430.

The middle portion of the transmission main rod 300 is provided with a slot 430, so that when the abutting member 220 abuts against the transmission main rod 300, the first curved rod 310 is not squeezed, and when the first curved rod 310 transmits, the transmission main rod 300 is driven to reciprocate.

In one possible design, the driven rod 400 includes a driven shaft 510 and a driven seat 520 connected to the bottom of the driven shaft 510, the driven seat 520 is opened with a transverse slot 530, the second curved rod 320 is inserted into the transverse slot 530, and the driven rod 400 is disposed in the transmission cavity 410.

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

In one possible design, the top of the driven rod 400 is provided with an outer joint 540.

The top of the driven rod 400 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 conveniently replaced.

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

Since the transmission main rod 300 is driven by the first curved rod 310 to reciprocate, i.e. reciprocate relative to the supporting member 220, in order to ensure the stability of the supporting member 220 supporting the U-shaped groove 420, the height of the supporting member 220 is smaller than the depth of the U-shaped groove 420.

In short, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement 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 characterized by, includes: the brush handle, the control main board, the brush rod, the battery component and the 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 support frame; the driving motor, the gear assembly and the crankshaft assembly are all 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 do telescopic motion; the bottom of the transmission main rod is connected with the gear assembly, and the gear assembly is further used for driving the transmission main rod to swing left and right; the battery component 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.

2. The multifunctional power handle for electric toothbrushes according to claim 1, wherein a telescopic opening is formed at an end of the handle remote from the battery assembly, an end of the brush rod is arranged in the telescopic opening, a silicone sleeve is arranged at an end of the brush rod facing the battery assembly, the periphery of the silicone sleeve is connected with the handle, and the silicone sleeve is used for sealing the telescopic opening.

3. The multifunctional power handle of an electric toothbrush as claimed in claim 1, further comprising a control panel electrically connected to the control main board, wherein the handle defines a control opening, and the control panel is disposed in the handle, fixedly connected to the support frame and engaged with the control opening.

4. The multifunctional power handle of an electric toothbrush according to claim 1, wherein the gear assembly comprises a gear set, a holding member and a driving shaft, the holding member and the driving shaft are respectively in transmission connection with the gear set, a U-shaped groove is formed at the bottom of the driving main rod, the holding member is arranged at one side or two sides of the U-shaped groove, the gear set is used for driving the holding member to rotate under the action of the driving motor, and the driving main rod swings left and right under the action of the holding member; the driving shaft is used for driving the crankshaft assembly to rotate under the action of the driving motor, so that the crankshaft 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.

5. The multi-functional power handle for an electric toothbrush according to claim 4, wherein the crank assembly comprises a first crank, a second crank, a driving engagement tooth, and two sets of crank rods, the first crank is connected to the second crank, the two sets of crank rods are respectively located at two sides of the first crank and the second crank, the two sides of the crank rods are respectively connected to the support frame through bearings, and the driving engagement tooth is in driving connection with the driving shaft;

6. The multi-functional electric toothbrush power handle of claim 5, characterized in that a distance from a first crank rod connected with the transmission main rod to an axis of the crank rod is greater than a distance from a second crank rod connected with the driven rod to the axis of the crank rod.

7. The multifunctional power handle for electric toothbrushes according to claim 6, wherein a slot is formed in the middle of the transmission main rod, and the first crankshaft is inserted into the slot.

8. The multi-functional electric toothbrush power handle of claim 6, characterized in that, the driven rod includes a driven shaft and a driven seat connected with the bottom of the driven shaft, the driven seat is opened with a transverse slot, the second curved rod is inserted into the transverse slot, and the driven rod is disposed in the transmission cavity.

9. The multi-functional power handle for an electric toothbrush according to claim 8, wherein an extension piece is provided at the top of the driven lever.

10. The multi-functional power handle for an electric toothbrush according to claim 4, wherein the height of said retaining member is less than the depth of said U-shaped groove.