CN111759515B - Electric toothbrush head adopting torsional spring - Google Patents

Electric toothbrush head adopting torsional spring Download PDF

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Publication number
CN111759515B
CN111759515B CN202010787125.9A CN202010787125A CN111759515B CN 111759515 B CN111759515 B CN 111759515B CN 202010787125 A CN202010787125 A CN 202010787125A CN 111759515 B CN111759515 B CN 111759515B
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CN
China
Prior art keywords
brush
plate
brush plate
fixing
fixing plate
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CN202010787125.9A
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Chinese (zh)
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CN111759515A (en
Inventor
赵茂
朱姚青
张健
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Shanghai Heixian Intelligent Technology Co ltd
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Shanghai Heixian Intelligent Technology Co ltd
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Publication of CN111759515A publication Critical patent/CN111759515A/en
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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
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • 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
    • A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
    • 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
    • A61C17/225—Handles or details thereof
    • 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
    • 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
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • 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
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3418—Rotation around the axis of the toothbrush handle
    • 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
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3445—Translation along the axis of the toothbrush handle
    • 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
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3454—Translation along the axis perpendicular of the axis of toothbrush handle and in the plane defined by the bristle holder
    • 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
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/349—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with multiple brush bodies

Abstract

The invention relates to the field of machinery, in particular to a brush head of an electric toothbrush. An electric toothbrush head adopting a torsion spring comprises a brush head, wherein the brush head comprises a brush head handle, a front brush plate, a rear brush plate and an upper brush plate. According to the design, the electric toothbrush head adopting the torsion spring is provided, and the three-side bristles of the toothbrush head are driven to move by the motor, so that the tooth cleaning effect is improved; and through the surrounding type effect that trilateral brush hair produced and along with the thickness change of incisor to the molar, the self-adaptation effect of brush hair automatic laminating satisfies the tooth cleaning demand of the crowd of different oral cavities and tooth sizes, and the design of trilateral brush hair has solved the clean problem in the region that the tooth inboard should not be brushed, avoids the production of various bad habits of brushing teeth, simplifies the process of brushing teeth, has improved the efficiency of brushing teeth.

Description

Electric toothbrush head adopting torsional spring
Technical Field
The invention relates to the field of machinery, in particular to an electric toothbrush head.
Background
The brush head of the existing electric toothbrush only has one side of brush hair, and because the upper and lower rows of teeth are convex, the upper side and the inner side of the teeth are not easy to be effectively cleaned, and a tooth brushing blind area is easy to form; when brushing teeth, must clean teeth through brush hair friction tooth surface, however current electric toothbrush can only drive the vibrations of the one side brush hair of brush head or rotate through the motor, and is not good to the cleaning effect of tooth, needs the first direction of many times conversion brush, just can clean the outside of tooth, inboard and the surface of grinding one's teeth in a molar manner, wastes time and energy, and forms bad brush teeth custom easily.
Disclosure of Invention
The present invention aims to provide an electric toothbrush head using a torsion spring to solve at least one of the above technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric toothbrush brush head adopting a torsion spring comprises a brush head and is characterized in that the brush head comprises a brush head handle, a front brush plate, a rear brush plate and an upper brush plate, wherein brush hair is arranged on the rear side surface of the front brush plate, brush hair is arranged on the front side surface of the rear brush plate, and brush hair is arranged on the lower side surface of the upper brush plate;
the front part of the brush head handle is provided with a first mounting groove, a first fixed shaft and a rotating part are arranged in the first mounting groove, a first rotating shaft hole for penetrating through the first fixed shaft is formed in the middle of the rotating part, an embedded groove is formed in the front part of the rotating part, a block-shaped bulge matched with the embedded groove is formed in one side of the first fixed shaft, the width of the embedded groove is gradually increased from bottom to top, and a first notch is formed in the rear part of the rotating part;
a first through hole is formed in the brush head handle and is communicated with the first mounting groove, a transmission rod used for transmitting power of a motor penetrates through the first through hole, the transmission rod is connected with a swinging piece, the swinging piece comprises a block body, a first insertion hole used for being inserted into the front part of the transmission rod is formed in the lower part of the block body, and a first columnar bulge used for extending into the first notch is formed in the upper part of the block body;
a first fixing plate which is longitudinally arranged is arranged below the front part of the brush head handle, a second fixing shaft is arranged in the middle of the first fixing plate, a second rotating shaft hole which is used for penetrating through the second fixing shaft is arranged in the middle of the rear brush plate, the rear brush plate is arranged on the front side of the first fixing plate, a second through hole is arranged at the upper part of the first fixing plate, an upright post penetrates through the second through hole, the upper part of the upright post props against the lower part of the rotating part, and the lower part of the upright post props against the upper part of the rear brush plate;
a torsion spring is arranged between the rear brush plate and the first fixing plate, a first limiting column is arranged on the rear brush plate, a second limiting column is arranged on the first fixing plate, the torsion spring comprises a coil part, a first torsion arm connected with the coil part and a second torsion arm connected with the coil part, the coil part is sleeved on the second fixing shaft, one side part of the first torsion arm props against the first limiting column, and one side part of the second torsion arm props against the second limiting column;
the upper part of the first fixing plate is connected with a second fixing plate which is transversely arranged, the second fixing plate is arranged on the front side of the brush head handle, a first strip-shaped opening is formed between the first fixing plate and the second fixing plate, the upper part of the rear brush plate is provided with a swinging rod, the upper part of the swinging rod penetrates through the first strip-shaped opening, and the swinging rod is provided with a second strip-shaped opening which is longitudinally arranged;
a second mounting groove for mounting the upper brush plate is formed in the second fixing plate, a rotating shaft is arranged in the second mounting groove, mounting holes for inserting the rotating shaft are formed in two side walls of the second mounting groove, a second cylindrical protrusion is arranged on one side portion, close to the oscillating rod, of the rotating shaft, one side portion of the second cylindrical protrusion extends into the second strip-shaped opening, a fixing ring is arranged on the upper portion of the upper brush plate, and the rotating shaft penetrates through the fixing ring;
the upper brush plate is provided with a connecting rod and is connected with the front brush plate through the connecting rod;
a cover plate is arranged above the second fixing plate, a second notch is formed in the rear part of the cover plate, and a second flaky bulge used for abutting against the second notch is formed in the front part of the brush head handle;
a spring is provided in the second mounting groove, one side portion of the spring is fixed to the rear portion of the second fixing plate, and the other side portion of the spring is fixed to the front portion of the cover plate.
As a scheme, a penetrating hole for penetrating the connecting rod is formed in the front brush plate, a third fixing plate is arranged on the front side of the cover plate, the upper portion of the third fixing plate is connected with the front portion of the cover plate, and a sliding groove for mounting the front brush plate is formed in the third fixing plate. One side part of the connecting rod is arranged on the left side of the front part of the upper brush plate, the other side part of the connecting rod penetrates into the penetrating hole, and the penetrating hole is arranged on the right side of the upper part of the front brush plate.
As another scheme, a connecting sheet is arranged at the front part of the cover plate, a third fixing shaft is arranged on the connecting sheet, and a third rotating shaft hole for penetrating through the third fixing shaft is formed in the front brush plate. One side part of the connecting rod is arranged in the middle of the front side of the upper brush plate, and the other side part of the connecting rod is connected with the middle of the upper side of the front brush plate; the third rotating shaft hole is formed in the middle of the front brush plate. The front side of the cover plate is provided with a flanging extending downwards, the lower side of the flanging is arc-surface-shaped, and the upper side of the front brush plate is arc-surface-shaped.
The lower surface of the upright post is arc-surface-shaped. The upper side surface of the rear brush plate is arc-surface-shaped.
And a third flaky protrusion extending upwards is arranged on the cover plate close to the second notch.
The upper brush plate is provided with a spring clamping piece for fixedly connecting the spring. The spring is two, and two the spring sets up respectively the both sides of axis of rotation, be equipped with a draw-in groove on the upper brush board, the spring fastener includes an annular body, the annular body cover is established the outside of axis of rotation, the lower part card of annular body is gone into in the draw-in groove, the both sides of annular body all are equipped with a fourth slice arch that is used for stretching into the spring.
The two sides of the first notch are provided with vertical rods which are cylindrical, the front part of the brush head handle is provided with a third strip-shaped opening with a circular arc-shaped cross section, and the upper part of each vertical rod extends into the corresponding third strip-shaped opening.
When the toothbrush is used, the front face of the toothbrush is placed in an oral cavity, a user pushes the brush head handle along the tooth brushing direction, the brush head handle rotates around the fixed shaft, the second sheet-shaped bulge arranged on the front side of the brush head handle pushes and props the cover plate from the second notch, so that the distance between the front brush plate and the rear brush plate is increased to adapt to the corner of teeth, the brush head handle is continuously pushed, the distance between the front brush plate and the rear brush plate changes along with the thickness of the teeth, the thickness between the door teeth and the molar is self-adaptive, then the front brush plate and the rear brush plate are tensioned through the spring to be attached to the teeth, and the self-adaptive effects of brush head expansion, close attachment and angle free transformation are achieved;
wherein, the transmission rod in the brush head handle transmits the power output by the motor in the electric toothbrush to the swinging part, the transmission rod rotates along with the rotating shaft of the motor and continuously changes the steering, the transmission rod drives the swinging part to move, the columnar bulge on the swinging part pushes the rotating part from the first gap, so that the rotating part rotates around the fixed shaft and continuously changes the steering, the block bulge in the mounting groove on the brush head handle is arranged in the embedded groove of the rotating part, the block bulge moves along the side wall of the embedded groove along with the rotation of the rotating part, and then the rotating part moves up and down, when the rotating part moves down, the column pushes one side of the rear brush plate through the column, so that the rear brush plate deflects around the second fixed shaft in the middle part of the rear brush plate, the first spacing column on the rear brush plate and the second spacing column on the first fixed plate compress the torsion spring, the torsion spring can push the rear brush plate to reset when the rotating part moves up, and then the back brush board can be continuous around the second fixed axle in its middle part take place left side, right deflection, and then the swinging arms on the back brush board takes place left side, right side swing, because the second column arch of axis of rotation one side stretches into in the second strip opening on the swinging arms, the axis of rotation is taken place to rotate when the swinging arms swings, the axis of rotation drives the brush board motion through solid fixed ring, and then it can take place left side around the axis of rotation to go up the brush board, right deflection, go up the brush board left side, drive the connecting rod that sets up on last brush board one side when the right deflection and do, the lower motion, the connecting rod has driven preceding brush board motion, the trilateral brush hair motion of brush head has been realized driving through the motor, the cleaning effect of tooth has been improved.
According to the design, the electric toothbrush head adopting the torsion spring is provided, and the three-side bristles of the toothbrush head are driven to move by the motor, so that the tooth cleaning effect is improved; and through the surrounding type effect that trilateral brush hair produced and along with the thickness change of incisor to grinding one's teeth, the self-adaptation effect of the automatic laminating of brush hair satisfies the tooth cleaning demand of the crowd of different oral cavities and tooth sizes, the design of trilateral brush hair has solved the clean problem in the region that the tooth inboard should not be brushed, avoid various bad habits of brushing teeth to produce, the user no longer need initiatively change brush head position and look for clean point, only need promote the brush head and can accomplish the overall process of brushing teeth, simplify the process of brushing teeth, the efficiency of brushing teeth has been improved.
Drawings
FIG. 1 is a schematic view of a portion of the structure of the present invention;
FIG. 2 is a bottom view of a portion of the present invention;
FIG. 3 is a partially exploded view of the present invention;
FIG. 4 is a partial schematic view of the rotor of the present invention;
FIG. 5 is a schematic view of a portion of the structure of the brush head handle of the present invention;
FIG. 6 is a partial schematic view of the present invention at the pendulum;
FIG. 7 is a partial schematic view of the first fixing plate according to the present invention;
FIG. 8 is a schematic view of a portion of the structure at the rear brush plate of the present invention;
FIG. 9 is a partial structural view of the present invention at a rotating shaft;
FIG. 10 is a partial structural view of the upper brush plate according to the present invention;
FIG. 11 is a partial schematic view of the cover plate of the present invention;
FIG. 12 is a partial schematic view of the front brush plate of the present invention;
fig. 13 is a partial structural view of the present invention using a connecting sheet.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 13, an electric toothbrush head using a torsion spring comprises a brush head, the brush head comprises a brush head handle 1, a front brush plate 4, a rear brush plate 3, and an upper brush plate 10, wherein the rear side surface of the front brush plate is provided with brush bristles, the front side surface of the rear brush plate is provided with brush bristles, and the lower side surface of the upper brush plate is provided with brush bristles; the front part of the brush head handle is provided with a first mounting groove 25, a first fixed shaft 7 and a rotating part 19 are arranged in the first mounting groove, the middle part of the rotating part is provided with a first rotating shaft hole 21 for penetrating through the first fixed shaft, the front part of the rotating part is provided with an embedded groove 22, one side of the first fixed shaft is provided with a block-shaped bulge 26 matched with the embedded groove, the width of the embedded groove is gradually increased from bottom to top, and the rear part of the rotating part is provided with a first notch 23; a first through hole 11 is formed in the brush head handle and is communicated with the first mounting groove, a transmission rod used for transmitting the power of the motor penetrates through the first through hole, the transmission rod is connected with a swinging piece 9, the swinging piece comprises a block body, a first insertion hole 28 used for being inserted into the front part of the transmission rod is formed in the lower part of the block body, and a first columnar bulge 29 used for extending into the first gap is formed in the upper part of the block body; a first fixing plate 2 which is longitudinally arranged is arranged below the front part of the brush head handle, a second fixing shaft 30 is arranged in the middle of the first fixing plate, a second rotating shaft hole 37 for penetrating the second fixing shaft is arranged in the middle of the rear brush plate, the rear brush plate is arranged on the front side of the first fixing plate, a second through hole 35 is arranged on the upper part of the first fixing plate, an upright post 20 penetrates through the second through hole, the upper part of the upright post props against the lower part of the rotating part, and the lower part of the upright post props against the upper part of the rear brush plate; a torsion spring 15 is arranged between the rear brush plate and the first fixing plate, a first limit column is arranged on the rear brush plate, a second limit column 36 is arranged on the first fixing plate, the torsion spring comprises a coil part, a first torsion arm connected with the coil part and a second torsion arm connected with the coil part, the coil part is sleeved on the second fixing shaft, one side part of the first torsion arm props against the first limit column, and one side part of the second torsion arm props against the second limit column; the upper part of the first fixing plate is connected with a second fixing plate 31 which is transversely arranged, the second fixing plate is arranged at the front side of the brush head handle, a first strip-shaped opening 34 is arranged between the first fixing plate and the second fixing plate, the upper part of the rear brush plate is provided with a swinging rod 39, the upper part of the swinging rod penetrates through the first strip-shaped opening, and the swinging rod is provided with a second strip-shaped opening 38 which is longitudinally arranged; a second mounting groove 33 for mounting the upper brush plate is formed in the second fixing plate, a rotating shaft 14 is arranged in the second mounting groove, mounting holes 32 for inserting the rotating shaft are formed in two side walls of the second mounting groove, a second cylindrical protrusion 40 is arranged on one side portion of the rotating shaft close to the swinging rod, one side portion of the second cylindrical protrusion extends into the second strip-shaped opening, a fixing ring 43 is arranged on the upper portion of the upper brush plate, and the rotating shaft penetrates through the fixing ring; the upper brush plate is provided with a connecting rod 41 and is connected with the front brush plate through the connecting rod; a third fixing plate 46 is arranged on the front side of the cover plate, the upper part of the third fixing plate is connected with the front part of the cover plate, and a sliding groove 45 for mounting the front brush plate is arranged on the third fixing plate; the rear part of the cover plate is provided with a second gap 44, the width of the second gap is gradually increased from front to back, and the front part of the brush head handle is provided with a second flaky bulge 27 for abutting against the second gap; a spring 17 is provided in the second mounting groove, one side portion of the spring is fixed to the rear portion of the second fixing plate, and the other side portion of the spring is fixed to the front portion of the cover plate. According to the design, the electric toothbrush head adopting the torsion spring is provided, and the three-side bristles of the toothbrush head are driven to move by the motor, so that the tooth cleaning effect is improved; and through the surrounding type effect that trilateral brush hair produced and along with the thickness change of incisor to grinding one's teeth, the self-adaptation effect of the automatic laminating of brush hair satisfies the tooth cleaning demand of the crowd of different oral cavities and tooth sizes, the design of trilateral brush hair has solved the clean problem in the region that the tooth inboard should not be brushed, avoid various bad habits of brushing teeth to produce, the user no longer need initiatively change brush head position and look for clean point, only need promote the brush head and can accomplish the overall process of brushing teeth, simplify the process of brushing teeth, the efficiency of brushing teeth has been improved.
When the toothbrush is used, the front face of the toothbrush is placed in an oral cavity, a user pushes the brush head handle along the tooth brushing direction, the brush head handle rotates around the fixed shaft, the second sheet-shaped bulge arranged on the front side of the brush head handle pushes and props the cover plate from the second notch, so that the distance between the front brush plate and the rear brush plate is increased to adapt to the corner of teeth, the brush head handle is continuously pushed, the distance between the front brush plate and the rear brush plate changes along with the thickness of the teeth, the thickness between the door teeth and the molar is self-adaptive, then the front brush plate and the rear brush plate are tensioned through the spring to be attached to the teeth, and the self-adaptive effects of brush head expansion, close attachment and angle free transformation are achieved; wherein, the transmission rod in the brush head handle transmits the power output by the motor in the electric toothbrush to the swinging part, the motor can be set to be in an operation mode of alternate clockwise rotation and anticlockwise rotation, and a rotation angle of the clockwise rotation and the anticlockwise rotation of the motor rotating shaft is set, the transmission rod rotates along with the rotating shaft of the motor and continuously changes the steering, the transmission rod drives the swinging part to move, the columnar bulge on the swinging part pushes the rotating part from the first gap, so that the rotating part rotates around the fixed shaft and continuously changes the steering, the block bulge in the mounting groove on the brush head handle is arranged in the embedded groove of the rotating part, the block bulge moves along the side wall of the embedded groove along the rotating part along with the rotation of the rotating part, and then the rotating part moves up and down, when the rotating part moves down, the rotating part pushes one side of the rear brush plate through the upright post, so that the rear brush plate deflects around the second fixed shaft in the middle part, the torsion spring is compressed by the first limiting column on the rear brush plate and the second limiting column on the first fixing plate, the torsion spring can push the rear brush plate to reset when the rotating piece moves upwards, and then the rear brush plate can continuously deflect leftwards and rightwards around the second fixing shaft in the middle of the rear brush plate, and then the oscillating rod on the rear brush plate swings leftwards and rightwards, because the second column-shaped bulge on one side of the rotating shaft extends into the second strip-shaped opening on the oscillating rod, the oscillating rod drives the rotating shaft to rotate when swinging, the rotating shaft drives the upper brush plate to move through the fixing ring, and further the upper brush plate can deflect leftwards and rightwards around the rotating shaft, the left and right deflection of the upper brush plate drives the connecting rod arranged on one side of the upper brush plate to move upwards and downwards, the connecting rod drives the front brush plate to move, the three-side brush hair movement driven by the motor is realized, and the cleaning effect of teeth is improved.
As one solution, referring to fig. 1, a through hole 47 for inserting the connecting rod is formed in the front brush plate, a third fixing plate is disposed at the front side of the cover plate, an upper portion of the third fixing plate is connected to the front portion of the cover plate, and a sliding groove for mounting the front brush plate is formed in the third fixing plate. One side portion of the connecting rod is arranged on the left side of the front portion of the upper brush plate, the other side portion of the connecting rod penetrates into the penetrating hole, and the penetrating hole is arranged on the right side of the upper portion of the front brush plate. When the upper brush plate deflects left and right, the connecting rod arranged on one side of the upper brush plate is driven to move up and down, the connecting rod plays a role of pressing down or lifting up the front brush plate from the penetrating hole, and the front brush plate is driven to move up and down in the sliding groove.
As another scheme, referring to fig. 13, a connecting plate is disposed at the front portion of the cover plate, a third fixing shaft is disposed on the connecting plate, and a third rotating shaft hole for passing through the third fixing shaft is disposed on the front brush plate. One side part of the connecting rod is arranged in the middle of the front side of the upper brush plate, and the other side part of the connecting rod is connected with the middle of the upper side of the front brush plate; the third rotating shaft hole is arranged in the middle of the front brush plate. The front side of the cover plate is provided with a flanging extending downwards, the lower side of the flanging is arc-surface-shaped, and the upper side of the front brush plate is arc-surface-shaped. And then the upper brush plate can deflect left and right around the rotating shaft, and the upper brush plate drives the front brush plate to move through the connecting rod, so that the front brush plate deflects left and right around the third fixed shaft.
In order to ensure the using effect of the brush head, the upper part of the first fixing plate is provided with a fourth rotating shaft hole for penetrating the fixing shaft. The second through hole is one, and the second through hole sets up one side at the second pivot hole.
The second fixing shaft and the third fixing shaft are both provided with a limiting ring 16. The limiting ring on the second fixing shaft is used for limiting the position of the rear brush plate, and the limiting ring of the third fixing shaft is used for limiting the position of the front brush plate.
In order to ensure the effect that the rotating shaft drives the upper brush plate to deflect left and right, the cross sections of the front side part and the rear side part of the rotating shaft are circular, the cross section of the middle part of the rotating shaft is rectangular, the middle part of the fixing ring is provided with a third through hole with the rectangular cross section, and then the middle part of the rotating shaft penetrates through the third through hole. For the convenience of installation, the rotating shaft passes through the third through hole, and the diameter of the front part of the rotating shaft is not larger than the height of the middle part of the rotating shaft.
In order to ensure that the swinging rod drives the rotating shaft to rotate, the cross section of the second cylindrical protrusion is circular, the diameter of the rotating shaft is larger than that of the second cylindrical protrusion, and the central line of the rotating shaft and the central line of the second cylindrical protrusion are arranged in parallel.
The lower surface of the upright post is arc surface shaped. The upper side surface of the rear brush plate is arc surface-shaped. The deflection of the rear brush plate is smooth, and the using effect of the brush head is ensured.
A third sheet-shaped bulge 6 extending upwards is arranged on the cover plate close to the second gap. The sum of the height of the third sheet-shaped protrusion and the thickness of the cover plate is not less than the sum of the thickness of the second sheet-shaped protrusion and the depth of the embedded groove. The effect that the second flaky bulges at the front side of the brush head handle push and open the cover plate is ensured.
The upper brush plate is provided with a spring fastener 18 for fixedly connecting a spring. The number of the springs is two, the two springs are respectively arranged on two sides of the rotating shaft, a clamping groove 42 is formed in the upper brush plate, the spring clamping piece comprises an annular body, the annular body is sleeved on the outer side of the rotating shaft, the lower portion of the annular body is clamped into the clamping groove, and fourth flaky protrusions used for extending into the springs are arranged on two sides of the annular body. Spring fastener and last brush board fixed connection are passed through at the spring middle part, all receive the pulling force of spring on preceding, the rear direction of going up the brush board, and then when the second slice arch of brush head handle front side promoted and propped open the apron, the position of going up the brush board is comparatively fixed and can be close to the intermediate position department of preceding brush board and back brush board, can play better clean effect to the upper surface of user's molar.
Two sides of the first gap are respectively provided with a vertical rod 24 which is cylindrical, the front part of the brush head handle is provided with a third strip-shaped opening 8 with an arc-shaped cross section, and the upper part of the vertical rod extends into the third strip-shaped opening. This design makes first column arch on the swing piece be located between the pole setting of first breach both sides, and the first column arch on the swing piece of being convenient for promotes from first breach department and rotates the piece, and simultaneously, the upper portion of pole setting stretches into in the third strip opening, and then restricts the rotation range that rotates the piece, has guaranteed the clean effect of toothbrush.
In order to facilitate the transmission of the power of the motor by the transmission rod, a plug inserted into the first insertion hole is arranged at the front part of the transmission rod, and the height of the plug is larger than the width of the plug. The transmission rod comprises a first transmission rod 12 and a second transmission rod 13, the first transmission rod is connected with the second transmission rod, a second insertion hole for inserting a motor rotating shaft is formed in the rear portion of the first transmission rod, the cross section of the front portion of the first transmission rod is semicircular, a third insertion hole matched with the front portion of the first transmission rod in shape is formed in the rear portion of the second transmission rod, and the plug is arranged in the front portion of the second transmission rod.
In order to facilitate the installation, the front part of the brush head handle is provided with a fourth insertion hole, and the fixing shaft penetrates into the installation groove from the fourth insertion hole.
The block-shaped bulge and the brush head handle adopt an integrated structure. The rear brush plate and the swinging rod adopt an integrated structure. The upper brush plate and the connecting rod adopt an integrated structure. So as to ensure the structural strength of the brush head and the using effect of the brush head.
In order to guarantee the cleaning effect, the bristles arranged on the lower surface of the upper brush plate are vertically arranged, the bristles arranged on the rear side surface of the front brush plate are obliquely arranged, and the bristles arranged on the front side surface of the rear brush plate are obliquely arranged.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims (9)

1. An electric toothbrush brush head adopting a torsion spring comprises a brush head and is characterized in that the brush head comprises a brush head handle, a front brush plate, a rear brush plate and an upper brush plate, wherein brush hair is arranged on the rear side surface of the front brush plate, brush hair is arranged on the front side surface of the rear brush plate, and brush hair is arranged on the lower side surface of the upper brush plate;
the front part of the brush head handle is provided with a first mounting groove, a first fixed shaft and a rotating part are arranged in the first mounting groove, a first rotating shaft hole for penetrating through the first fixed shaft is formed in the middle of the rotating part, an embedded groove is formed in the front part of the rotating part, a block-shaped bulge matched with the embedded groove is formed in one side of the first fixed shaft, the width of the embedded groove is gradually increased from bottom to top, and a first notch is formed in the rear part of the rotating part;
a first through hole is formed in the brush head handle and is communicated with the first mounting groove, a transmission rod used for transmitting power of a motor penetrates through the first through hole, the transmission rod is connected with a swinging piece, the swinging piece comprises a block body, a first insertion hole used for being inserted into the front part of the transmission rod is formed in the lower part of the block body, and a first columnar bulge used for extending into the first notch is formed in the upper part of the block body;
a first fixing plate which is longitudinally arranged is arranged below the front part of the brush head handle, a second fixing shaft is arranged in the middle of the first fixing plate, a second rotating shaft hole which is used for penetrating through the second fixing shaft is arranged in the middle of the rear brush plate, the rear brush plate is arranged on the front side of the first fixing plate, a second through hole is arranged at the upper part of the first fixing plate, an upright post penetrates through the second through hole, the upper part of the upright post props against the lower part of the rotating part, and the lower part of the upright post props against the upper part of the rear brush plate;
a torsion spring is arranged between the rear brush plate and the first fixing plate, a first limiting column is arranged on the rear brush plate, a second limiting column is arranged on the first fixing plate, the torsion spring comprises a coil part, a first torsion arm connected with the coil part and a second torsion arm connected with the coil part, the coil part is sleeved on the second fixing shaft, one side part of the first torsion arm props against the first limiting column, and one side part of the second torsion arm props against the second limiting column;
the upper part of the first fixing plate is connected with a second fixing plate which is transversely arranged, the second fixing plate is arranged on the front side of the brush head handle, a first strip-shaped opening is formed between the first fixing plate and the second fixing plate, the upper part of the rear brush plate is provided with a swinging rod, the upper part of the swinging rod penetrates through the first strip-shaped opening, and the swinging rod is provided with a second strip-shaped opening which is longitudinally arranged;
a second mounting groove for mounting the upper brush plate is formed in the second fixing plate, a rotating shaft is arranged in the second mounting groove, mounting holes for inserting the rotating shaft are formed in two side walls of the second mounting groove, a second cylindrical protrusion is arranged on one side portion, close to the oscillating rod, of the rotating shaft, one side portion of the second cylindrical protrusion extends into the second strip-shaped opening, a fixing ring is arranged on the upper portion of the upper brush plate, and the rotating shaft penetrates through the fixing ring;
the upper brush plate is provided with a connecting rod and is connected with the front brush plate through the connecting rod;
a cover plate is arranged above the second fixing plate, a second notch is formed in the rear part of the cover plate, and a second flaky bulge used for abutting against the second notch is formed in the front part of the brush head handle;
a spring is arranged in the second mounting groove, one side part of the spring is fixed to the rear part of the second fixing plate, and the other side part of the spring is fixed to the front part of the cover plate;
the lower surface of the upright post is arc-surface-shaped; the upper side surface of the rear brush plate is arc-surface-shaped.
2. The electric toothbrush head using a torsion spring according to claim 1, wherein the front brush plate is provided with a penetration hole for penetrating the connection rod, the front side of the cover plate is provided with a third fixing plate, an upper portion of the third fixing plate is connected to a front portion of the cover plate, and the third fixing plate is provided with a sliding groove for mounting the front brush plate.
3. The electric toothbrush head using a torsion spring according to claim 2, wherein one side portion of the connecting rod is disposed at a left side of a front portion of the upper brush plate, and the other side portion of the connecting rod is inserted into the penetration hole disposed at a right side of an upper portion of the front brush plate.
4. The electric toothbrush head using a torsion spring according to claim 1, wherein a connection piece is provided at a front portion of the cover plate, a third fixing shaft is provided at the connection piece, and a third rotation shaft hole for passing the third fixing shaft is provided at the front brush plate.
5. The electric toothbrush head using a torsion spring according to claim 4, wherein one side portion of the connecting rod is disposed at a middle portion of the front side of the upper brush plate, and the other side portion of the connecting rod is connected to a middle portion of the upper side of the front brush plate; the third rotating shaft hole is formed in the middle of the front brush plate; the front side of the cover plate is provided with a flanging extending downwards, the lower side of the flanging is arc-surface-shaped, and the upper side of the front brush plate is arc-surface-shaped.
6. An electric toothbrush head using a torsion spring as claimed in claim 1, wherein a third upwardly extending plate-like projection is provided on the cover plate adjacent to the second notch.
7. An electric toothbrush head using a torsion spring as claimed in claim 1, wherein the upper brush plate is provided with a spring clip for fixedly connecting the spring.
8. The electric toothbrush head using torsion springs as claimed in claim 7, wherein the number of the springs is two, the two springs are respectively disposed at two sides of the rotation shaft, the upper brushing plate is provided with a slot, the spring fastener comprises a ring-shaped body, the ring-shaped body is sleeved at the outer side of the rotation shaft, the lower portion of the ring-shaped body is clamped into the slot, and both sides of the ring-shaped body are provided with fourth plate-shaped protrusions for extending into the springs.
9. The electric toothbrush head using torsion spring as claimed in claim 1, wherein the first notch has a cylindrical vertical rod at both sides, the front portion of the handle has a third opening with an arc-shaped cross section, and the upper portion of the vertical rod extends into the third opening.
CN202010787125.9A 2020-08-07 2020-08-07 Electric toothbrush head adopting torsional spring Active CN111759515B (en)

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CN202010787125.9A CN111759515B (en) 2020-08-07 2020-08-07 Electric toothbrush head adopting torsional spring

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Application Number Priority Date Filing Date Title
CN202010787125.9A CN111759515B (en) 2020-08-07 2020-08-07 Electric toothbrush head adopting torsional spring

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2593748Y (en) * 2002-11-26 2003-12-24 洁齿亮(汕尾)有限公司 Vertical-brushing electric toothbrush
CN109793586A (en) * 2019-03-11 2019-05-24 上海拓仙智能科技有限公司 A kind of circulating type electric toothbrush equipped with three face bristles
CN209301369U (en) * 2018-11-15 2019-08-27 深圳智合有为科技有限公司 The oscillating electric tooth-brush of three face brush head of the brush-head structure in single three face of slot and single slot

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7636976B2 (en) * 2002-12-30 2009-12-29 The Procter & Gamble Company Power toothbrush
CN201164508Y (en) * 2007-12-19 2008-12-17 何朝端 Three-surface electric toothbrush
US8516642B1 (en) * 2012-02-21 2013-08-27 King Fahd University Of Petroleum And Minerals Curved-head electric toothbrush
KR20160041008A (en) * 2014-10-06 2016-04-15 백경일 A Toothbrush what can brush all at once

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2593748Y (en) * 2002-11-26 2003-12-24 洁齿亮(汕尾)有限公司 Vertical-brushing electric toothbrush
CN209301369U (en) * 2018-11-15 2019-08-27 深圳智合有为科技有限公司 The oscillating electric tooth-brush of three face brush head of the brush-head structure in single three face of slot and single slot
CN109793586A (en) * 2019-03-11 2019-05-24 上海拓仙智能科技有限公司 A kind of circulating type electric toothbrush equipped with three face bristles

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