CN111772329A - Electric toothbrush head adopting spring - Google Patents

Electric toothbrush head adopting spring Download PDF

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Publication number
CN111772329A
CN111772329A CN202010787323.5A CN202010787323A CN111772329A CN 111772329 A CN111772329 A CN 111772329A CN 202010787323 A CN202010787323 A CN 202010787323A CN 111772329 A CN111772329 A CN 111772329A
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CN
China
Prior art keywords
brush
plate
spring
shaped
fixing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010787323.5A
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Chinese (zh)
Inventor
赵茂
朱姚青
张健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Heixian Intelligent Technology Co ltd
Original Assignee
Shanghai Heixian Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Heixian Intelligent Technology Co ltd filed Critical Shanghai Heixian Intelligent Technology Co ltd
Priority to CN202010787323.5A priority Critical patent/CN111772329A/en
Publication of CN111772329A publication Critical patent/CN111772329A/en
Pending legal-status Critical Current

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    • 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
    • A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously
    • 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
    • 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

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Brushes (AREA)

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 spring comprises a brush head, wherein the brush head comprises a brush head handle, a front brush board, a rear brush board and an upper brush board. According to the design, the electric toothbrush head adopting the 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.

Description

Electric toothbrush head adopting 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
It is an object of the present invention to provide a powered toothbrush head employing a spring to address at least one of the above mentioned problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric toothbrush brush head adopting a 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 first sliding groove is formed in the first fixing plate, the rear brush plate is fixed into the first sliding groove, a second through hole is formed in the upper part of the first fixing plate and communicated with the first sliding groove, an upright post is arranged on the upper part of the rear brush plate and penetrates through the second through hole, and the upper part of the upright post abuts against the lower part of the rotating part;
the rear brush plate is provided with first strip-shaped openings which are longitudinally arranged, first springs are arranged in the first strip-shaped openings, first sheet-shaped bulges are arranged on the first fixing plate and extend into the first strip-shaped openings, the upper parts of the first springs abut against the inner walls of the first strip-shaped openings, and the lower parts of the first springs abut against the first sheet-shaped bulges;
a second fixing plate which is transversely arranged is arranged above the rear brush plate, the second fixing plate is arranged on the front side of the brush head handle, a second mounting groove is formed in the second fixing plate, the upper brush plate is mounted in the second mounting groove, and a cover plate is arranged above the second fixing plate;
the cover plate is connected with the front brush 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 second spring is provided in the second mounting groove, one side portion of the second spring is fixed to a rear portion of the second fixing plate, and the other side portion of the second spring is fixed to a front portion of the cover plate.
And a third flaky protrusion extending upwards is arranged on the cover plate close to the second notch. 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.
A pin is arranged in the first strip-shaped opening, the first spring sleeve is arranged on the outer side of the pin, and the inner wall of the first strip-shaped opening and the first flaky protrusion are respectively provided with a second mounting hole for inserting the pin.
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.
As an alternative, the upper portion of the second fixing plate is connected to the upper portion of the rear brush plate. The upper brush plate is provided with a clamping groove which is communicated with the second mounting groove, and a first spring clamping piece which is used for fixedly connecting the second spring is arranged in the clamping groove. The first spring clamping piece is in a sheet shape, and the middle part of the first spring clamping piece is clamped into the spring coil of the second spring.
As another scheme, the rear part of the second fixing plate is connected with the upper part of the first fixing plate, a second strip-shaped opening is arranged between the first fixing plate and the second fixing plate, a connecting plate is arranged on the upper part of the rear brush plate, the upper part of the connecting plate penetrates through the second strip-shaped opening, and a third strip-shaped opening is arranged on the connecting plate;
a rotating shaft is arranged in the second mounting groove, first 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 connecting plate, of the rotating shaft, one side portion of the second cylindrical protrusion extends into the third 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, the connecting rod is connected with the front brush plate, the front side of the cover plate is provided with a third fixing plate, the upper portion of the third fixing plate is connected with the front portion of the cover plate, and the third fixing plate is provided with a second sliding groove used for installing the front brush plate.
And the front brush plate is provided with a penetrating hole for penetrating the connecting rod. Preferably, one side portion of the connecting rod is disposed at 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 disposed at the right side of the upper portion of the front brush plate.
And the upper brush plate is provided with a second spring clamping piece for fixedly connecting the second spring. The second springs are arranged on two sides of the rotating shaft respectively, a clamping groove is formed in the upper brush plate, the second 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 second springs are arranged on two sides of the annular body.
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 first fixed shaft, the second sheet-shaped bulge arranged on the front side of the brush head handle pushes and supports 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 teeth is self-adaptive, then the front brush plate and the rear brush plate are tensioned through the second spring to be attached to the teeth, and the self-adaptive effects of brush head expansion, attachment and angle free change 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 and turns, 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 first fixed shaft and continuously changes and turns, the block bulge in the mounting groove on the brush head handle is arranged in the embedded groove of the rotating part, along with the rotation of the rotating part, the block bulge moves along the side wall of the embedded groove, and then the rotating part moves up and down, the rotating part pushes the rear brush plate to slide in the first chute through the upright post when moving downwards, when the rear brush plate slides downwards, the first spring in the first strip-shaped opening is compressed, the first spring can push the rear brush plate to slide upwards to reset when the rotating part moves upwards, the rear brush plate drives the upper brush, the upper brush plate drives the front brush plate to move, so that the three-side brush hair of the brush head is driven to move by the motor, and the cleaning effect of teeth is improved.
According to the design, the electric toothbrush head adopting the 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 schematic view of a portion of the upper brush plate moving up and down according to the present invention;
FIG. 13 is an exploded view of a portion of the upper brush plate moving up and down in accordance with the present invention.
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 spring comprises a brush head, the brush head comprises a brush head handle 1, a front brush plate 10, a rear brush plate 3, and an upper brush plate 9, wherein the brush hair is arranged on the rear side surface of the front brush plate, the brush hair is arranged on the front side surface of the rear brush plate, and the 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 25, a first fixed shaft 19 and a rotating part 20 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 8, 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 first sliding chute is arranged on the first fixing plate, the rear brush plate is fixed in the first sliding chute, a second through hole 35 is arranged at the upper part of the first fixing plate, the second through hole is communicated with the first sliding chute, a stand column 39 is arranged at the upper part of the rear brush plate, the stand column penetrates through the second through hole, and the upper part of the stand column props against the lower part of the rotating part; the rear brush plate is provided with a first strip-shaped opening 36 which is longitudinally arranged, a first spring 16 is arranged in the first strip-shaped opening, the first fixing plate is provided with a first sheet-shaped bulge 30, the first sheet-shaped bulge extends into the first strip-shaped opening, the upper part of the first spring is propped against the inner wall of the first strip-shaped opening, and the lower part of the first spring is propped against the first sheet-shaped bulge; a second fixing plate 32 which is transversely arranged is arranged above the rear brush plate, the second fixing plate is arranged at the front side of the brush head handle, a second mounting groove 33 is formed in the second fixing plate, an upper brush plate is arranged in the second mounting groove, and a cover plate 4 is arranged above the second fixing plate; the cover plate is connected with the front brush plate, the rear part of the cover plate is provided with a second gap 45, and the front part of the brush head handle is provided with a second flaky bulge 27 for abutting against the second gap; a second spring 17 is provided in the second mounting groove, one side portion of the second spring is fixed to the rear portion of the second fixing plate, and the other side portion of the second spring is fixed to the front portion of the cover plate. According to the design, the electric toothbrush head adopting the 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 first fixed shaft, the second sheet-shaped bulge arranged on the front side of the brush head handle pushes and supports 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 teeth is self-adaptive, then the front brush plate and the rear brush plate are tensioned through the second spring to be attached to the teeth, and the self-adaptive effects of brush head expansion, attachment and angle free change 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 the rotation angle of the motor rotating shaft clockwise rotation and anticlockwise rotation is set, so that 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 notch, so that the rotating part rotates around the first 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, along with the rotation of the rotating part, the block bulge moves along the side wall of the embedded groove, and then the rotating part generates up and down displacement, the rotating part pushes the rear brush plate to slide in the first chute through the upright post when moving downwards, the first spring in the first strip-shaped opening is compressed, the first spring can promote back brush board upwards sliding and reset when rotating the piece upward displacement, and the back brush board drives the motion of going up the brush board, goes up the motion of brush board before the brush board drives, has realized that the trilateral brush hair motion of driving the brush head through the motor has improved the clean effect of tooth.
In order to ensure the using effect of the brush head, the upper part of the first fixing plate is provided with a second rotating shaft hole for penetrating the first fixing shaft. The second through-hole is two, all passes the stand in two second through-holes, and two second through-holes set up the both sides in second pivot hole respectively. The third strip-shaped openings are arranged transversely.
A third sheet-shaped bulge 5 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.
A pin 15 is arranged in the first strip-shaped opening, the first spring is sleeved on the outer side of the pin, and a second mounting hole for inserting the pin is formed in the inner wall of the first strip-shaped opening and the first flaky protrusion. The first spring is fixed in the first strip-shaped opening through the pin, and the using effect of the equipment is guaranteed.
The front side of the cover plate is provided with a third fixing plate 44, the upper part of the third fixing plate is connected with the front part of the cover plate, and the third fixing plate is provided with a second sliding chute for mounting the front brush plate. The connecting rod plays the effect of pushing down or lifting to preceding brush board from the hole department of penetrating for preceding brush board takes place upper and lower motion in the second spout.
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 7 with an arc-shaped cross section, and the upper part of the vertical rod extends into the third strip-shaped opening. This design makes the column arch on the swing piece be located between the pole setting of first breach both sides, and the column arch on the swing piece of being convenient for promotes from first breach department and rotates the piece, and simultaneously, pole setting upper portion stretches into in the 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.
The block-shaped bulge and the brush head handle adopt an integrated structure. The upright post and the rear brush plate adopt an integrated structure. The first sheet-shaped bulge and the first fixing plate are of 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 improve 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.
As an alternative, referring to fig. 12 to 13, the upper portion of the second fixing plate is connected to the upper portion of the rear brush plate. And then the back brush board continuously moves up and down and moves through the second fixed board, the second fixed board drives the cover board and the upper brush board continuously move up and down, and the cover board drives the front brush board continuously move up and down. A clamping groove 46 is formed in the upper brush plate and communicated with the second mounting groove, and a first spring clamping piece 47 used for fixedly connecting a second spring is arranged in the clamping groove. The first spring clamping piece is in a sheet shape, and the middle part of the first spring clamping piece is clamped into the spring coil of the second spring. The middle part of the second spring is fixed at the middle part of the upper brush plate through the first spring clamping piece, the front and the rear of the upper brush plate are both pulled by the second spring, and then when the second sheet-shaped bulge at the front side of the brush head handle pushes and props open the cover plate, the upper brush plate is always close to the middle position of the front brush plate and the rear brush plate, and a better cleaning effect can be achieved on the upper surface of the molar of a user.
As another scheme, referring to fig. 1 to 11, the rear portion of the second fixing plate is connected to the upper portion of the first fixing plate, a second strip-shaped opening 34 is formed between the first fixing plate and the second fixing plate, a connecting plate 38 is arranged on the upper portion of the rear brush plate, the upper portion of the connecting plate penetrates through the second strip-shaped opening, and a third strip-shaped opening 37 is formed in the connecting plate; a rotating shaft 14 is arranged in the second mounting groove, first mounting holes 31 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 connecting plate, one side portion of the second cylindrical protrusion extends into the third cylindrical 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 which is connected with the front brush plate, the front side of the cover plate is provided with a third fixing plate, the upper part of the third fixing plate is connected with the front part of the cover plate, and the third fixing plate is provided with a second chute for installing the front brush plate. Because the second columnar bulge on one side of the rotating shaft extends into the third strip-shaped opening on the connecting plate, the connecting plate drives the rotating shaft to rotate when moving up and down along with the rear brush plate, the rotating shaft drives the upper brush plate to move through the fixing ring, 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. The front brush plate is provided with a through hole for the connecting rod to penetrate. Preferably, one side portion of the connecting rod is disposed at the left side of the front portion of the upper brush plate, the other side portion of the connecting rod penetrates into the penetration hole, and the penetration hole is disposed at 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, and then the connecting rod plays a role of pressing down or lifting up the front brush plate from the penetrating hole, so that the movement of the front brush plate is driven. 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 upper brush plate is provided with a second spring fastener 18 for fixedly connecting a second spring. The two second springs are respectively arranged on two sides of the rotating shaft, a clamping groove 42 is formed in the upper brush plate, the second 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 extending into the second springs are arranged on two sides of the annular body. The second spring middle part is through second spring fastener and last brush board fixed connection, all receives 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 that the user ground the tooth.
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 (10)

1. An electric toothbrush brush head adopting a 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 first sliding groove is formed in the first fixing plate, the rear brush plate is fixed into the first sliding groove, a second through hole is formed in the upper part of the first fixing plate and communicated with the first sliding groove, an upright post is arranged on the upper part of the rear brush plate and penetrates through the second through hole, and the upper part of the upright post abuts against the lower part of the rotating part;
the rear brush plate is provided with first strip-shaped openings which are longitudinally arranged, first springs are arranged in the first strip-shaped openings, first sheet-shaped bulges are arranged on the first fixing plate and extend into the first strip-shaped openings, the upper parts of the first springs abut against the inner walls of the first strip-shaped openings, and the lower parts of the first springs abut against the first sheet-shaped bulges;
a second fixing plate which is transversely arranged is arranged above the rear brush plate, the second fixing plate is arranged on the front side of the brush head handle, a second mounting groove is formed in the second fixing plate, the upper brush plate is mounted in the second mounting groove, and a cover plate is arranged above the second fixing plate;
the cover plate is connected with the front brush 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 second spring is provided in the second mounting groove, one side portion of the second spring is fixed to a rear portion of the second fixing plate, and the other side portion of the second spring is fixed to a front portion of the cover plate.
2. A spring-loaded electric toothbrush head according to claim 1, wherein an upper portion of said second stationary plate is connected to an upper portion of said rear brush plate.
3. The electric toothbrush head using a spring as claimed in claim 2, wherein a slot is provided on the upper brush plate, the slot communicates with the second mounting groove, and a first spring clip member for fixedly connecting the second spring is provided in the slot.
4. The electric toothbrush head using a spring according to claim 1, wherein a rear portion of the second fixing plate is connected to an upper portion of the first fixing plate, a second strip-shaped opening is formed between the first fixing plate and the second fixing plate, a connecting plate is disposed on an upper portion of the rear brush plate, an upper portion of the connecting plate penetrates through the second strip-shaped opening, and a third strip-shaped opening is formed in the connecting plate;
a rotating shaft is arranged in the second mounting groove, first 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 connecting plate, of the rotating shaft, one side portion of the second cylindrical protrusion extends into the third 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, the connecting rod is connected with the front brush plate, the front side of the cover plate is provided with a third fixing plate, the upper portion of the third fixing plate is connected with the front portion of the cover plate, and the third fixing plate is provided with a second sliding groove used for installing the front brush plate.
5. An electric toothbrush head using a spring according to claim 4, wherein said front brush plate is provided with a penetration hole for penetrating said connecting rod;
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.
6. An electrically driven toothbrush head using springs as claimed in claim 4, wherein said upper plate is provided with a second spring catch for fixedly connecting said second spring.
7. The electric toothbrush head with springs as claimed in claim 6, wherein the number of the second springs is two, the two second springs are respectively disposed at two sides of the rotation shaft, the upper brushing plate is provided with a slot, the second 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 second springs.
8. A powered toothbrush head with a spring according to claim 1 or claim 2 characterised in that a third upwardly extending flap projection is provided on the cover plate adjacent the second notch; 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.
9. The electric toothbrush head using a spring as claimed in claim 1, wherein a pin is provided in the first strip-shaped opening, the first spring is sleeved on an outer side of the pin, and a second mounting hole for inserting the pin is provided on both an inner wall of the first strip-shaped opening and the first sheet-shaped protrusion.
10. The electric toothbrush head using a spring according to claim 1, wherein a vertical rod is provided at both sides of the first notch, the vertical rod is cylindrical, a third opening having a circular arc-shaped cross section is provided at the front portion of the handle, and the upper portion of the vertical rod extends into the third opening.
CN202010787323.5A 2020-08-07 2020-08-07 Electric toothbrush head adopting spring Pending CN111772329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010787323.5A CN111772329A (en) 2020-08-07 2020-08-07 Electric toothbrush head adopting spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010787323.5A CN111772329A (en) 2020-08-07 2020-08-07 Electric toothbrush head adopting spring

Publications (1)

Publication Number Publication Date
CN111772329A true CN111772329A (en) 2020-10-16

Family

ID=72765992

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010787323.5A Pending CN111772329A (en) 2020-08-07 2020-08-07 Electric toothbrush head adopting spring

Country Status (1)

Country Link
CN (1) CN111772329A (en)

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