CN115137515B - Multifunctional electric toothbrush - Google Patents
Multifunctional electric toothbrush Download PDFInfo
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- CN115137515B CN115137515B CN202210822778.5A CN202210822778A CN115137515B CN 115137515 B CN115137515 B CN 115137515B CN 202210822778 A CN202210822778 A CN 202210822778A CN 115137515 B CN115137515 B CN 115137515B
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- rod
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- assembly
- crankshaft
- bristle plate
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- 230000005540 biological transmission Effects 0.000 claims description 85
- 230000009471 action Effects 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 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
- 230000013011 mating Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 14
- 238000004140 cleaning Methods 0.000 abstract description 8
- 230000001680 brushing effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
Abstract
The invention discloses 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 disc and a bristle plate; the installation seat is provided with a circular installation cavity, the rotary disk is arranged in the circular installation cavity, the connecting rod is connected with the installation seat and provided with a control hole communicated with the circular installation cavity, the stretching piece is connected with the rotary disk, and the stretching shaft is connected with the stretching piece and then extends outwards through the control hole; one end of the rotary disk, which is close to the opening of the circular mounting cavity, is provided with a connecting piece, one end of the bristle plate is arranged in the circular mounting cavity and is clamped at the opening of the circular mounting cavity, and the bristle plate is connected with the rotary disk through the connecting piece. Therefore, when the existing electric toothbrush head is used for cleaning teeth, the brush head can only clean teeth in one direction and the brush handle needs 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
Technical Field
The invention relates to the technical field of electric toothbrushes, in particular to a multifunctional electric toothbrush.
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 head 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 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; 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 present invention provides an electric brush head, including: the device comprises a connecting rod, a mounting seat, a stretching piece, a stretching shaft, a rotating disc and a bristle plate; wherein,
The installation seat is provided with a circular installation cavity, the rotary disk is arranged in the circular installation cavity, the connecting rod is connected with the installation seat and provided with a control hole communicated with the circular installation cavity, the stretching piece is connected with the rotary disk, and the stretching shaft is connected with the stretching piece and then extends outwards through the control hole; one end of the rotary disk, which is close to the opening of the circular mounting cavity, is provided with a connecting piece, one end of the bristle plate is arranged in the circular mounting cavity and is clamped at the opening of the circular mounting cavity, and the bristle plate is connected with the rotary disk through the connecting piece.
In one possible design, the stretch shaft is made of a flexible material.
In one possible design, the peripheral edge of the rotating disk is respectively fitted with the inner wall of the circular mounting cavity and the bristle plate.
In one possible design, the connector includes one or more recesses, the bristle plate is provided with male strips that mate with the recesses, and the bristle plate is connected to the rotating disk by mating between the male strips and the recesses.
In one possible design, the bristle plate is provided with an annular button adjacent to the circular mounting cavity opening, the annular button being used to hold the bristle plate inwardly against the circular mounting cavity so that the bristle plate engages the rotating disk.
In one possible design, the powered brush head further includes a water stop ring disposed in the gap between the bristle plate and the mounting base.
In a second aspect, an embodiment of the present invention provides a multifunctional electric toothbrush, including 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 embodiment; 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 supporting frame; the driving motor, the gear assembly and the crank shaft 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 crank shaft assembly to rotate through the gear assembly, so that the crank shaft assembly drives the transmission main rod and the driven rod to move in a telescopic manner, 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 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 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.
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 an electric brush head;
FIG. 2 is a schematic view of a partial structure of an electric brush head;
FIG. 3 is a front view of the power brush head;
FIG. 4 is a side view of a powered brush head;
FIG. 5 is a schematic view of the structure of a multifunctional electric toothbrush;
FIG. 6 is an enlarged view of a portion A of the multi-functional electric toothbrush;
FIG. 7 is an enlarged view of part B of the multi-functional electric toothbrush;
FIG. 8 is a schematic diagram of a transmission structure;
FIG. 9 is a schematic diagram of the structure of the transmission boom;
Fig. 10 is a schematic view of a structure of a multi-follower lever.
Icon: 30-an electric brush head; 36-connecting rod; 32-mounting seats; 34-stretching piece; 35-stretching shaft; 33-rotating disc; 31-bristle plate; 321-circular mounting cavity; 361-control hole; 12-connecting piece; 121-concave holes; 122-convex bars; 39-ring button; 40-water stop ring; 1-a multi-functional electric toothbrush; 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; 300-crankshaft assembly; 400-transmission main rod; 500-driven bar; 600-supporting frames; 410-a transmission chamber; 24-telescoping mouth; 25-a silica gel sleeve; 210-gear set; 220-a holding piece; 230-a drive shaft; 420-U-shaped groove; 310-a first curved bar; 320-a second curved bar; 330-drive engagement teeth; 340-a crankshaft rod; 450-bearings; 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 10, an electric brush head 30 according to an embodiment of the present invention is provided, wherein the electric brush head 30 includes: the connecting rod 36, the mount 32, the stretching member 34, the stretching shaft 35, the rotating disk 33 and the bristle plate 31.
Wherein, the mounting seat 32 is provided with a circular mounting cavity 321, the rotary disk 33 is arranged in the circular mounting cavity 321, the connecting rod 36 is connected with the mounting seat 32 and provided with a control hole 361 communicated with the circular mounting cavity 321, the stretching piece 34 is connected with the rotary disk 33, and the stretching shaft 35 is connected with the stretching piece 34 and then extends outwards through the control hole 361; one end of the rotating disk 33, which is close to the opening of the circular mounting cavity 321, is provided with a connecting piece 12, and 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, and the bristle plate 31 is connected with the rotating disk 33 through the connecting piece 12.
Wherein, 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 when 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 into an arc structure, so that the comfort of the electric brush head 30 during use can be further improved. In order to ensure the rotation range of the bristle plate 31 when the electric brush head 30 is used and the overall 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 as a circular mounting cavity 321, when the rotating disk 33 rotates and drives the bristle plate 31 to rotate, the outer edges of the bristle plate 31 are 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 mount 32 are provided with bristles for cleaning teeth. It will be apparent that the bristle plate 31 side bristles have different stiffness, concentration and length requirements for different user ages or different user groups. Therefore, the rotary disk 33 is provided, when the electric brush head 30 is installed, the rotary disk 33 can be installed, then the type of the bristle plate 31 selected by a user group is pressed into the circular installation cavity 321, and the bristle plate 31 is connected with the rotary disk 33 through the connecting piece 12; wherein the connector 12 may be a fastener or other structure that facilitates installation or removal. It is clear that when the bristle plate 31 is pressed in the circular mounting cavity 321, the bristle plate 31 is clamped by the outer periphery of the mounting seat 32, and the bottom end of the bristle plate 31 can play a certain limiting role on the rotating disc 33, so that abnormal shake of the rotating disc 33 during back and forth rotation is prevented.
The rotating disc 33 is disposed in the circular mounting cavity 321 and connected with the stretching member 34, and the stretching member 34 drives the rotating disc 33 to reciprocally rotate clockwise or counterclockwise in the circular mounting cavity 321 under the action of the stretching shaft 35, and drives the bristle plate 31 connected by the connecting member 12 to reciprocally rotate, so that the use effect of the electric brush head 30 for brushing teeth is more comfortable. 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; in order to ensure regular clockwise or anticlockwise reciprocating motion of the central axis of the rotary circular mounting cavity 321 of the bristle plate 31, a stretching piece 34 is arranged at the edge of the rotary disk 33, a stretching shaft 35 is connected to the stretching piece 34, one end of the stretching shaft 35 far away from the rotary shaft extends outwards through a control hole 361, and when the mounting seat 32 and the stretching shaft 35 have relative motion, the rotary disk 33 can be driven to rotate through the stretching piece 34, so that the bristle plate 31 can reciprocate clockwise or anticlockwise around the central axis of the rotary disk 33. Wherein, the bristle plate 31 is detachably connected with the rotating disk 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 the bristle plate 31 can be driven to regularly reciprocate clockwise or anticlockwise in the mounting seat 32 when the connecting rod 36 and the driven rod 500 do relative dislocation movement. A multi-functional electric toothbrush 1 designed by using an electric brush head 30; during brushing, the electric brush head 30 is swung while being continuously extended and contracted, and the bristle plate 31 can also finely adjust the angle of the bristles. Wherein, 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 the external connector 540; the external member 540 may be one of a variety of snap-fit structures. Therefore, the problems that the brush handle needs to be moved back and forth to clean teeth when the electric toothbrush in the prior art is used, the brush head is difficult to regularly control to clean teeth when the electric toothbrush is used, and the comfort level is low are solved.
In one possible design, the stretch shaft 35 is made of a flexible material.
In order to ensure the use 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. In the mounting process, the stretching shaft 35 can be inserted into the control hole 361 first, and then the rotating disk 33 is placed into the circular mounting cavity 321, so that the bottom of the rotating disk 33 is attached to the bottom of the circular mounting cavity 321. When the stretching shaft 35 and the connecting rod 36 have relative dislocation movement, the stretching shaft 35 made of flexible materials can flexibly drive the rotating disk 33 to reciprocate clockwise or anticlockwise in the mounting seat 32, so that the bristle plate 31 connected with the rotating disk 33 is driven to reciprocate clockwise or anticlockwise in the circular mounting cavity 321, and the comfort of the electric brush head 30 in use is improved.
In one possible design, the peripheral edge of the rotating disk 33 is respectively fitted with the inner wall of the circular mounting cavity 321 and the bristle plate 31.
The outer peripheral edge of the rotating disk 33 is attached to the inside of the circular mounting cavity 321, and the rotating disk 33 can relatively slide inside the circular mounting cavity 321 under the action of the stretching shaft 35 through the stretching member 34, so that the bristle plate 31 rotates. It is apparent that the side of the rotating disk 33 adjacent to the circular mounting cavity 321 has a smooth arc surface structure to reduce friction with the inner wall of the circular mounting cavity 321.
In one possible design, the connector 12 includes one or more recesses 121, and the bristle plate 31 is provided with male strips 122 that mate with the recesses 121, and the bristle plate 31 is connected to the rotating disk 33 by the mating between the male strips 122 and the recesses 121.
In this embodiment, the connecting member 12 may be one or more concave holes 121 formed on the rotary member, the bristle plate 31 is provided with a convex strip 122 matching with the concave holes 121, and the bristle plate 31 is connected with the rotary disk 33 through the cooperation between the convex strip 122 and the concave holes 121; wherein, because one end of the bristle plate 31 is disposed in the circular mounting cavity 321 and is clamped at the opening of the circular mounting cavity 321, the bristle plate 31 can be driven to rotate when the rotating disk 33 rotates.
In one possible design, the bristle plate 31 is provided with annular buttons 39 near the opening of the circular mounting cavity 321, the annular buttons 39 being used to hold the bristle plate 31 inwardly against the bristle plate 31 provided in the circular mounting cavity 321 so that the bristle plate 31 engages the rotating disk 33.
In order to ensure that the flexible insulation layer is not leaked outside when the electric brush head 30 is used, and simultaneously ensure the stability of the bristle plate 31 installed on the installation seat 32, an annular buckle 39 can be arranged at the opening of the installation seat 32 to limit the position of the bristle plate 31.
In one possible design, the powered brush head 30 further includes a water stop ring 40, the water stop ring 40 being disposed in the gap between the bristle plate 31 and the mounting base 32.
In order to ensure sufficient tightness of the connection of the connecting rod 36 to the brush bar 22, a standing water stop ring 40 is provided at the end of the connecting rod 36 remote from the mounting base 32 to facilitate sealing the gap between the connecting rod 36 and the external brush handle 20 when the water stop ring 40 is connected to the connecting rod 36 and the external brush handle 20.
In a second aspect, referring to fig. 1 to 10, a multifunctional electric toothbrush 1 according to an embodiment of the present invention includes a handle 20, a control main board 21, a brush rod 22, a battery assembly 23, a transmission structure 10, and an electric brush 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 crank shaft assembly 300, a transmission main rod 400, a driven rod 500 and a supporting frame 600; the driving motor 100, the gear assembly 200 and the crank shaft 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 crank shaft assembly 300 to rotate through the gear assembly 200, so that the crank shaft assembly 300 drives the transmission main rod 400 and the driven rod 500 to move in a telescopic manner, one end, far away from the battery assembly 23, of the driven rod 500 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 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.
The driving motor 100 can adopt a miniature low-power driving gear motor, such as a stepping motor, a hollow cup motor, a direct current brush motor or a direct current brushless motor, etc.; the supporting frame 600 is used to fix the driving motor 100, the gear assembly 200, and the crank assembly 300. The transmission main rod 400 is provided with a transmission cavity 410, the driven rod 500 is arranged in the transmission cavity 410, the driving motor 100 drives the gear assembly 200 to drive the crank shaft assembly 300 to rotate, the transmission main rod 400 and the driven rod 500 are connected with the crank shaft assembly 300, and when the crank shaft assembly 300 rotates, the transmission main rod 400 and the driven rod 500 are driven to move in a telescopic mode. 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 the mount pad 32 of electronic brush head 30, and the bottom of transmission mobile jib 400 is connected with the transmission of gear assembly 200 simultaneously, and gear assembly 200 still is used for driving transmission mobile jib 400 horizontal hunting, can make the electronic brush head 30 who is connected with transmission mobile jib 400 flexible from top to bottom in horizontal hunting, has promoted the use enjoyment of multi-functional electronic toothbrush 1. And, through setting up driven pole 500, driven pole 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 that uses electronic toothbrush transmission structure 10 design, during brushing teeth, mount pad 32 high-speed swing, and driven pole 500 can control the flexible state of electronic brush head 30 through tensile axle 35 simultaneously, and tensile axle 35 can also finely tune the angle of brush hair board 31. Therefore, the problems that the brush handle needs to be moved back and forth to clean teeth when the electric toothbrush in the prior art is used, the brush head is difficult to regularly control to clean teeth when the electric toothbrush is used, and the comfort level is low are 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, the telescopic movement of the brush bar 22 is prevented from being caught to the lips of the user when brushing teeth with the electric brush head 30 corresponding to the multifunctional electric toothbrush 1; meanwhile, the silica gel sleeve 25 is arranged, so that external moisture can be prevented from entering when the electric brush head 30 corresponding to the multifunctional electric toothbrush 1 is used for brushing teeth.
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 450, 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 connecting the crankshaft 340 with the driving shaft 230 in a transmission way, so that the gear set 210 drives the crankshaft 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 450, 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 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 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 (7)
1. The multifunctional electric toothbrush is characterized by comprising a brush handle, a control main board, a brush rod, a battery assembly, a transmission structure and an electric brush head; wherein, electronic brush head includes: the device comprises a connecting rod, a mounting seat, a stretching piece, a stretching shaft, a rotating disc and a bristle plate; the rotary disc is arranged in the circular mounting cavity, the connecting rod is connected with the mounting seat and provided with a control hole communicated with the circular mounting cavity, the stretching piece is connected with the rotary disc, and the stretching shaft is connected with the stretching piece and then extends outwards through the control hole; one end of the rotating disc, which is close to the opening of the circular mounting cavity, is provided with a connecting piece, one end of the bristle plate is arranged in the circular mounting cavity and is clamped at the opening of the circular mounting cavity, and the bristle plate is connected with the rotating disc through the connecting piece;
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 crank shaft 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 crank shaft assembly to rotate through the gear assembly, so that the crank shaft assembly drives the transmission main rod and the driven rod to stretch and retract, 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 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 driving shaft is in transmission connection with the crankshaft assembly;
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;
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.
2. The multifunctional electric toothbrush according to claim 1, wherein a telescopic opening is formed in one end, far away from the battery assembly, of the brush holder, 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 holder, and the silica gel sleeve is used for sealing the telescopic opening.
3. The multipurpose electric toothbrush of claim 1, wherein the stretching shaft is made of a flexible material.
4. The multipurpose electric toothbrush according to claim 1, wherein peripheral edges of the rotating disc are respectively fitted with an inner wall of the circular mounting cavity and the bristle plate.
5. The multipurpose electric toothbrush of claim 4, wherein the connector includes one or more recesses, the bristle plate is provided with male strips that mate with the recesses, and the bristle plate is connected to the rotating disk by mating between the male strips and the recesses.
6. The multifunctional electric toothbrush according to claim 5, 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 propping against the bristle plate in the circular mounting cavity inwards, so that the bristle plate is attached to the rotating disc.
7. The multipurpose electric toothbrush of claim 5, wherein the electric brush head further comprises a water stop ring disposed in a gap between the bristle plate and the mount.
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| CN202210822778.5A CN115137515B (en) | 2022-07-12 | 2022-07-12 | Multifunctional electric toothbrush |
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| CN202210822778.5A CN115137515B (en) | 2022-07-12 | 2022-07-12 | Multifunctional electric toothbrush |
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| CN115137515B true CN115137515B (en) | 2024-10-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114869523B (en) * | 2022-06-13 | 2023-11-21 | 雷德贵 | Multifunctional electric toothbrush power handle |
| CN114869524A (en) * | 2022-06-13 | 2022-08-09 | 雷德贵 | Multifunctional brush head and multifunctional electric toothbrush |
| CN115153934B (en) * | 2022-07-12 | 2024-10-22 | 雷德贵 | Multifunctional electric toothbrush |
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| CN114869523A (en) * | 2022-06-13 | 2022-08-09 | 雷德贵 | Multifunctional power handle of electric toothbrush |
| CN115153934A (en) * | 2022-07-12 | 2022-10-11 | 雷德贵 | Multifunctional brush head and multifunctional electric toothbrush |
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| CN212996849U (en) * | 2020-06-22 | 2021-04-20 | 朱绍亮 | Electric toothbrush |
| CN114869523A (en) * | 2022-06-13 | 2022-08-09 | 雷德贵 | Multifunctional power handle of electric toothbrush |
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