CN115137515A - Electric toothbrush head and multifunctional electric toothbrush - Google Patents
Electric toothbrush head and multifunctional electric toothbrush Download PDFInfo
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- CN115137515A CN115137515A CN202210822778.5A CN202210822778A CN115137515A CN 115137515 A CN115137515 A CN 115137515A CN 202210822778 A CN202210822778 A CN 202210822778A CN 115137515 A CN115137515 A CN 115137515A
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- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 86
- 230000033001 locomotion Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims 3
- 238000004140 cleaning Methods 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000000741 silica gel Substances 0.000 description 8
- 229910002027 silica gel Inorganic materials 0.000 description 8
- 230000001680 brushing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/24—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously
- A61C17/26—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor
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Abstract
The invention discloses an electric toothbrush head and a multifunctional electric toothbrush, and relates to the technical field of electric toothbrushes. Wherein, electronic brush head includes: the device comprises a connecting rod, a mounting seat, a stretching piece, a stretching shaft, a rotating disk and a bristle plate; the mounting seat is provided with a circular mounting cavity, the rotating disc is arranged in the circular mounting cavity, the connecting rod is connected with the mounting seat and is provided with a control hole communicated with the circular mounting cavity, the stretching piece is connected with the rotating disc, and the stretching shaft is connected with the stretching piece and then extends out through the control hole; the one end that the rotary disk is close to circular installation cavity opening part is equipped with the connecting piece, and the one end of brush hair board is located circular installation cavity and block in the opening part of circular installation cavity, and the brush hair board passes through the connecting piece and is connected with the rotary disk. Therefore, the problem that when the existing electric toothbrush head 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
Technical Field
The invention relates to the technical field of electric toothbrushes, in particular to a multifunctional 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 head 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 head 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, embodiments of the present invention provide a powered toothbrush head, comprising: the device comprises a connecting rod, a mounting seat, a stretching piece, a stretching shaft, a rotating disk and a bristle plate; wherein,
the mounting seat is provided with a circular mounting cavity, the rotating disc is arranged in the circular mounting cavity, the connecting rod is connected with the mounting seat and is provided with a control hole communicated with the circular mounting cavity, the stretching piece is connected with the rotating disc, and the stretching shaft is connected with the stretching piece and then extends out through the control hole; the one end that the rotary disk is close to circular installation cavity opening part is equipped with the connecting piece, and the one end of brush hair board is located circular installation cavity and block in the opening part of circular installation cavity, and the brush hair board passes through the connecting piece and is connected with the rotary disk.
In one possible design, the tensile shaft is made of a flexible material.
In one possible design, the peripheral edge of the rotating disk is respectively attached to the inner wall of the circular mounting cavity and the bristle plate.
In a possible design, the connecting piece includes one or more shrinkage pool, and the protruding type strip that matches with the shrinkage pool is seted up to the brush hair board, and the brush hair board is connected with the rotary disk through the cooperation between protruding type strip and the shrinkage pool.
In one possible design, the bristle plate is provided with an annular buckle close to the opening of the circular mounting cavity, and the annular buckle is used for inwards abutting against the bristle plate arranged in the circular mounting cavity, so that the bristle plate is attached to the rotating disk.
In one possible design, the electric brush head further comprises a water stop ring, and the water stop ring is arranged in a gap between the bristle plate and the mounting seat.
In a second aspect, an embodiment of the present invention provides a multifunctional electric toothbrush, which includes a brush handle, a control main board, a brush rod, a battery assembly, a transmission structure, and an electric brush head as set forth in the above embodiments; wherein,
the battery component, 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 component, a crankshaft component, 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 supporting frame, the transmission main rod is provided with a transmission cavity, the driven rod penetrates through the transmission cavity, 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 in a telescopic mode, one end, far away from the battery assembly, of the driven rod is connected with the stretching shaft, and the brush rod is connected with the connecting rod; 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, a telescopic opening is formed in one end, away from the battery assembly, of the brush holder, a telescopic opening is formed in one end of the brush holder, the end, facing the battery assembly, of the brush rod 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 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 that the crankshaft 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 crank rod, a second crank rod, transmission meshing teeth 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 each crankshaft rod are respectively connected with the support frame through bearings, and the transmission meshing teeth are 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.
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 view of a power head;
FIG. 2 is a partial schematic view of a powered toothbrush head;
FIG. 3 is a front view of the powered brush head;
FIG. 4 is a side view of the powered brush head;
FIG. 5 is a schematic view of a multi-functional electric toothbrush;
FIG. 6 is an enlarged view of a portion A of the multi-function electric toothbrush;
FIG. 7 is an enlarged view of a portion B of the multi-function electric toothbrush;
FIG. 8 is a schematic diagram of a transmission structure;
FIG. 9 is a schematic structural diagram of the transmission main rod;
fig. 10 is a schematic structural view of a multi-driven lever.
Icon: 30-an electric brush head; 36-a connecting rod; 32-a mounting seat; 34-a tension member; 35-a drawing shaft; 33-rotating disk; 31-a bristle plate; 321-a circular mounting cavity; 361-control hole; 12-a connector; 121-concave holes; 122-male type strips; 39-ring button; 40-a water stop ring; 1-a multi-functional 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 crankshaft assembly; 400-a transmission main rod; 500-driven lever; 600-a support frame; 410-a transmission cavity; 24-a stretch-shrink mouth; 25-a silica gel sleeve; 210-gear set; 220-a holding member; 230-a drive shaft; 420-U-shaped groove; 310-a first knee lever; 320-a second curved bar; 330-driving meshing teeth; 340-crankshaft rod; 450-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 10, a power toothbrush head 30 according to an embodiment of the present invention is provided, the power toothbrush head 30 includes: connecting rod 36, mount 32, tension member 34, tension shaft 35, rotary disk 33 and bristle plate 31.
The mounting seat 32 is provided with a circular mounting cavity 321, the rotating disc 33 is arranged in the circular mounting cavity 321, the connecting rod 36 is connected with the mounting seat 32 and is provided with a control hole 361 communicated with the circular mounting cavity 321, the stretching piece 34 is connected with the rotating disc 33, and the stretching shaft 35 is connected with the stretching piece 34 and then extends out through the control hole 361; the end of the rotating disc 33 close to the opening of the circular mounting cavity 321 is provided with a connector 12, one end of the bristle plate 31 is arranged in the circular mounting cavity 321 and clamped at the opening of the circular mounting cavity 321, and the bristle plate 31 is connected with the rotating disc 33 through the connector 12.
The mounting base 32 is a mounting base of the electric brush head 30, and in order to improve the user experience of the electric brush head 30 in use, the thickness of the brush head base should be reduced as much as possible; for example, the thickness of the mounting base may be set between 5mm and 10 mm. Of course, the end of the mounting base far away from the bristle plate 31 can be designed to be a cambered surface structure, which can further improve the comfort of the electric brush head 30 during use. In order to ensure the rotation amplitude of the bristle plate 31 when the electric brush head 30 is used and the whole waterproofness of the electric brush head 30 when the bristle plate 31 rotates, the mounting seat 32 is provided with a circular mounting cavity 321; by setting the mounting cavity to be the circular mounting cavity 321, when the rotating disk 33 rotates and drives the bristle plate 31 to rotate, the outer edge of the bristle plate 31 is attached to the inner wall of the mounting seat 32.
The bristle plate 31 and the end of the bristle plate 31 remote from the mounting seat 32 are provided with bristles for cleaning teeth. It is clear that the hardness, density and length requirements of the bristles on one side of the bristle plate 31 are different for different user ages or different user groups. Therefore, the rotary disk 33 is provided, when the electric toothbrush head 30 is installed, after the rotary disk 33 is installed, the rotary disk 31 is pressed into the circular installation cavity 321 according to the type of the bristle plate 31 selected by a user group, and the bristle plate 31 is connected with the rotary disk 33 through the connecting piece 12; the connecting member 12 may be a fastener or other structure for easy installation or removal. It can be clear that, when the bristle plate 31 is pressed in the circular mounting cavity 321, the bristle plate 31 is clamped by the periphery of the mounting seat 32, and the bottom end of the bristle plate 31 can play a certain limiting role on the rotating disk 33, so as to prevent the rotating disk 33 from abnormally shaking when rotating back and forth.
Wherein, rotary disk 33 is located in circular installation cavity 321 and is connected with tensile piece 34, and tensile piece 34 drives rotary disk 33 many anticlockwise reciprocating rotations in circular installation cavity 321 under tensile axle 35's effect to drive the reciprocal rotation of the brush hair board 31 of connecting through connecting piece 12, make the result of use when adopting electronic brush head 30 to brush teeth more comfortable. The connecting rod 36 is connected with the mounting base 32 and is provided with a control hole 361 communicated with the circular mounting cavity 321; in order to ensure that the bristle plate 31 regularly reciprocates clockwise or counterclockwise around the central axis of the circular mounting cavity 321, the stretching member 34 is disposed at the edge of the rotating disc 33, the stretching member 34 is connected with the stretching shaft 35, one end of the stretching shaft 35 away from the rotating shaft extends outwards through the control hole 361, and when the mounting seat 32 and the stretching shaft 35 move relatively, the rotating disc 33 is driven to rotate by the stretching member 34, so that the bristle plate 31 reciprocates clockwise or counterclockwise around the central axis of the rotating disc 33. Wherein, the brush hair board 31 is detachably connected with the rotating disc 33 through the connecting piece 12, the connecting rod 36 is connected with the brush rod 22, the stretching shaft 35 is connected with the driven shaft 510, and when the connecting rod 36 and the driven rod 500 move in a dislocation way relatively, the brush hair board 31 can be driven to regularly reciprocate clockwise or anticlockwise in the mounting seat 32. A multi-functional electric toothbrush 1 designed by using an electric toothbrush head 30; when brushing teeth, the electric brush head 30 continuously expands and contracts while swinging, and the brush board 31 can finely adjust the angle of the brush. In order to facilitate replacement of the electric brush head 30, the stretching shaft 35 and the driven shaft 510 can be detachably connected through an external connector 540; the external connector 540 may be one of a plurality of snap-fit structures. Therefore, the problems that the electric toothbrush in the prior art needs to move the brush handle back and forth to clean teeth when in use, the brush head is difficult to regularly control to clean the teeth when in use, and the comfort level is low are solved.
In one possible design, the tensile shaft 35 is made of a flexible material.
In order to ensure the using effect of the electric brush head 30 and facilitate the assembly of the electric brush head 30, the stretching shaft 35 is made of a flexible material. During installation, the stretching shaft 35 may be inserted into the control hole 361, and then the rotating disc 33 is placed in the circular installation cavity 321, so that the bottom of the rotating disc 33 is attached to the bottom of the circular installation cavity 321. When the stretching shaft 35 and the connecting rod 36 have relative dislocation motion, the stretching shaft 35 made of flexible material can flexibly drive the rotating disc 33 to reciprocate clockwise or counterclockwise in the mounting seat 32, so that the bristle plate 31 connected with the rotating disc 33 is driven to reciprocate clockwise or counterclockwise in the circular mounting cavity 321, and the comfort level of the electric brush head 30 in use is improved.
In one possible design, the outer peripheral edge of the rotating disk 33 is in abutment with the inner wall of the circular mounting cavity 321 and the bristle plate 31, respectively.
The outer peripheral edge of the rotary disk 33 is fitted with the inside of the circular mounting cavity 321, and the rotary disk 33 can slide relatively inside the circular mounting cavity 321 under the action of the stretching shaft 35 via the stretching member 34, so as to rotate the bristle plate 31. It can be seen that the side of the rotating disc 33 close to the circular mounting cavity 321 is of a smooth structure with an arc surface, so as to reduce the friction force with the inner wall of the circular mounting cavity 321.
In one possible design, the connecting member 12 includes one or more recesses 121, the bristle plate 31 is provided with a convex strip 122 matching with the recess 121, and the bristle plate 31 is connected with the rotating disk 33 through the cooperation between the convex strip 122 and the recess 121.
In this embodiment, the connecting member 12 may be one or more recesses 121 provided in the rotating member, the bristle plate 31 is provided with a convex strip 122 matching with the recess 121, and the bristle plate 31 is connected to the rotating disc 33 by the cooperation between the convex strip 122 and the recess 121; because one end of the bristle plate 31 is arranged in the circular mounting cavity 321 and is clamped at the opening of the circular mounting cavity 321, the rotating disk 33 can drive the bristle plate 31 to rotate.
In one possible design, the bristle plate 31 is provided with an annular buckle 39 near the opening of the circular mounting cavity 321, and the annular buckle 39 is used for inwards abutting against the bristle plate 31 arranged in the circular mounting cavity 321, so that the bristle plate 31 is attached to the rotating disk 33.
In order to ensure that the flexible isolation layer does not leak when the electric brush head 30 is used and ensure the stability of the bristle plate 31 mounted on the mounting seat 32, an annular buckle 39 can be arranged at the opening of the mounting seat 32 to limit the position of the bristle plate 31.
In one possible design, the electric brush head 30 further includes a water stop ring 40, and the water stop ring 40 is disposed in the gap between the bristle plate 31 and the mounting seat 32.
In order to ensure the sufficient sealing performance between the connecting rod 36 and the brush rod 22, a vertical water-stop ring 40 is disposed at the end of the connecting rod 36 away from the mounting seat 32, so as to seal the gap between the connecting rod 36 and the external brush holder 20 when the water-stop ring 40 is connected between the connecting rod 36 and the external brush holder 20.
In a second aspect, please refer to fig. 1 to 10, which is a multi-functional electric toothbrush 1 according to an embodiment of the present invention, including a handle 20, a control board 21, a brush rod 22, a battery assembly 23, a transmission structure 10 and an electric toothbrush head 30 according to the above embodiment; wherein,
the battery assembly 23, the control main board 21 and the transmission structure 10 are arranged in the inner cavity of the brush holder 20, and the transmission structure 10 comprises a driving motor 100, a gear assembly 200, a crankshaft assembly 300, a transmission main rod 400, a driven rod 500 and a support frame 600; the driving motor 100, the gear assembly 200 and the crankshaft 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, the driving motor 100 drives the crankshaft assembly 300 to rotate through the gear assembly 200, so that the crankshaft assembly 300 drives the transmission main rod 400 and the driven rod 500 to move in a telescopic manner, one end of the driven rod 500, which is far away from the battery assembly 23, is connected with the stretching shaft 35, and the brush rod 22 is connected with the connecting rod 36; 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 to the driving motor 100, and the brush rod 22 is sleeved on one end of the transmission main rod 400 far away from the brush handle 20.
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; the support bracket 600 is used to fix the driving motor 100, the gear assembly 200, and the crank assembly 300. The transmission cavity 410 is opened to transmission mobile jib 400, and in transmission cavity 410 was located to driven lever 500, driving motor 100 drive gear subassembly 200 rotated in order to drive bent axle subassembly 300, and transmission mobile jib 400 and driven lever 500 all are connected with bent axle subassembly 300, when bent axle subassembly 300 rotated, drive transmission mobile jib 400 and driven lever 500 concertina movement. Wherein, it can be seen that, since the transmission main rod 400 and the driven rod 500 are respectively connected at different positions of the crankshaft assembly 300, the transmission main rod 400 may be provided with an arc or a bend angle, so that the driven rod 500 is inserted into the transmission cavity 410. Meanwhile, the driving main rod 400 and the driven rod 500 may be connected at different positions of the crankshaft assembly 300, and the extension and retraction amplitudes may be the same or different, so that the driving main rod 400 and the driven rod 500 may move relatively or synchronously.
The top of transmission mobile jib 400 is used for connecting the mount pad 32 of electronic brush head 30, and the bottom and the gear assembly 200 transmission of transmission mobile jib 400 are connected simultaneously, and gear assembly 200 still is used for driving transmission mobile jib 400 horizontal hunting, can make the electronic brush head 30 of being connected with transmission mobile jib 400 flexible from top to bottom in horizontal hunting, has promoted the use enjoyment of multi-functional electric toothbrush 1. And, through setting up driven lever 500, driven lever 500 can be connected with tensile axle 35, drives the regular clockwise or anticlockwise reciprocating motion of brush hair board 31 on mount pad 32, through the electronic brush head 30 who uses the design of electric toothbrush transmission structure 10, when brushing teeth, mount pad 32 high-speed swing, driven lever 500 can be through the flexible state of tensile axle 35 control electronic brush head 30 simultaneously, tensile axle 35 can also finely tune the angle of brush hair board 31. Therefore, the problems that the electric toothbrush in the prior art needs to move the brush handle back and forth to clean teeth when in use, the brush head is difficult to regularly control to clean the teeth when in use, and the comfort level is low are solved.
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 clipping the lips of the user when the electric brush head 30 corresponding to the multifunctional electric toothbrush 1 is used for brushing teeth; meanwhile, the silica gel sleeve 25 is arranged, so that external moisture can be prevented from entering when the multifunctional electric toothbrush 1 is used for brushing teeth by the corresponding electric toothbrush head 30.
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 transmission main rod 400, 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 transmission main rod 400 swings left and right under the action of the holding member 220; the driving shaft 230 is used for driving the crankshaft assembly 300 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 move telescopically; drive shaft 230 is drivingly connected to 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 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 400 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 300 drives the transmission main rod 400 and the driven rod 500 to perform telescopic motion; it will be appreciated that the drive shaft 230 is drivingly connected to the crankshaft assembly 300, and may be drivingly connected to a variety of structures, such as a helical gear mesh.
In one possible design, the crankshaft assembly 300 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 450, and the transmission engaging tooth 330 is in transmission connection with the driving 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 to the first curved lever 310 and the driving main lever 400 is connected to the second curved lever 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 400 and the driven lever 500 to reciprocate. The transmission meshing teeth 330 are mainly used for connecting the crankshaft rod 340 with the driving shaft 230 in a transmission way, so that the gear set 210 drives the crankshaft rod 340 to rotate; two groups of crankshaft rods 340 are arranged and mainly play a role in connection, and the crankshaft rods 340 are connected with the support frame 600 through bearings 450, so that the integral stability of the first crank rod 310 and the second crank rod 320 during rotation is guaranteed.
In one possible design, a slot 430 is formed in the middle of the main transmission rod 400, and the first crankshaft is inserted into the slot 430.
The middle of the transmission main rod 400 is provided with a slot 430, so that the abutting piece 220 does not press the first curved rod 310 when abutting against the transmission main rod 400, and drives the transmission main rod 400 to reciprocate when the first curved rod 310 transmits.
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 opened with a transverse slot 530, the second curved rod 320 is inserted into 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 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 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 (10)
1. An electric brush head, characterized in that it comprises: the device comprises a connecting rod, a mounting seat, a stretching piece, a stretching shaft, a rotating disk and a bristle plate; wherein,
the mounting seat is provided with a circular mounting cavity, the rotating disc is arranged in the circular mounting cavity, the connecting rod is connected with the mounting seat and is provided with a control hole communicated with the circular mounting cavity, the stretching piece is connected with the rotating disc, and the stretching shaft is connected with the stretching piece and then extends outwards through the control hole; the rotary disk is close to the one end of circular installation cavity opening part is equipped with the connecting piece, the one end of brush hair board is located circular installation intracavity and block in the opening part of circular installation cavity, just the brush hair board passes through the connecting piece with the rotary disk is connected.
2. The powered brushhead of claim 1, wherein the tension shaft is made of a flexible material.
3. The powered brush head of claim 1 wherein the outer peripheral edge of the rotating disk engages the inner wall of the circular mounting cavity and the bristle plate, respectively.
4. The electric toothbrush head of claim 3, wherein the connecting member includes one or more recesses, the bristle plate defines a male strip that mates with the recess, and the bristle plate is coupled to the rotary disk via engagement between the male and recess.
5. The electric toothbrush head of claim 4, wherein the bristle plate is provided with an annular buckle near the opening of the circular mounting cavity, and the annular buckle is used for inwards abutting against the bristle plate arranged in the circular mounting cavity, so that the bristle plate is attached to the rotating disk.
6. The electric brush head of claim 4, further comprising a water stop ring disposed in a gap between the bristle plate and the mount.
7. A multi-functional electric toothbrush comprising a handle, a control board, a stem, a battery pack, a transmission structure and an electric brush head as claimed in any one of claims 1 to 6; 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 crankshaft 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, 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 in a telescopic mode, one end, far away from the battery assembly, of the driven rod is connected with the stretching shaft, and the brush rod is connected with the connecting rod; 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.
8. The multifunctional electric toothbrush according to claim 7, wherein a telescopic opening is formed in an end of the brush handle away from the battery assembly, an end of the brush rod is arranged in the telescopic opening, a silicone sleeve is arranged on an end of the brush rod facing the battery assembly, the periphery of the silicone sleeve is connected with the brush handle, and the silicone sleeve is used for sealing the telescopic opening.
9. The multifunctional electric toothbrush according to claim 7, 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 in the bottom of the driving main rod, the holding member is arranged on 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.
10. The multi-functional electric toothbrush according to claim 9, 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;
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210822778.5A CN115137515A (en) | 2022-07-12 | 2022-07-12 | Electric toothbrush head and multifunctional electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210822778.5A CN115137515A (en) | 2022-07-12 | 2022-07-12 | Electric toothbrush head and multifunctional electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115137515A true CN115137515A (en) | 2022-10-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210822778.5A Pending CN115137515A (en) | 2022-07-12 | 2022-07-12 | Electric toothbrush head and multifunctional electric toothbrush |
Country Status (1)
| Country | Link |
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| CN (1) | CN115137515A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153934A (en) * | 2022-07-12 | 2022-10-11 | 雷德贵 | Multifunctional brush head and multifunctional electric toothbrush |
| WO2023241523A1 (en) * | 2022-06-13 | 2023-12-21 | 雷德贵 | Multifunctional brush head and multifunctional electric toothbrush |
| WO2023241533A1 (en) * | 2022-06-13 | 2023-12-21 | 雷德贵 | Multifunctional electric toothbrush power handle |
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