CN207545241U

CN207545241U - A kind of electric toothbrush

Info

Publication number: CN207545241U
Application number: CN201720410404.7U
Authority: CN
Inventors: 郑建立; 熊思俊
Original assignee: NINGBO AOLBEA ORAL CARE PRODUCTS CO Ltd
Current assignee: NINGBO AOLBEA ORAL CARE PRODUCTS CO Ltd
Priority date: 2017-04-19
Filing date: 2017-04-19
Publication date: 2018-06-29
Anticipated expiration: 2027-04-19

Abstract

The utility model discloses a kind of electric toothbrushes, and including handle and brush head, handle is thin walled shell structure, and the Inner Constitution cavity of thin walled shell, cavity is interior to be equipped with motor, and motor is equipped with swinging axle；Swinging axle is arranged on the front end of handle, the front end of handle is equipped with via, swinging axle extends handle from via and is connected with brush head, sealing ring is additionally provided in the front end of handle, sealing ring is arranged on the position of the housing connection of swinging axle and motor and around swinging axle, and the handle cavity position of the front end setting sealing ring of the housing is equipped with the flushing hole of perforation cavity wall；Flushing hole is set by the front end in power toothbrush handle, so that electric toothbrush can be rinsed after being used by the pollutant around front end and sealing ring of the flushing hole to entering housing, ensure that the housing forward end portion other than sealing ring keeps cleaning, and then the health for ensuring electric toothbrush and the safety using motor.

Description

A kind of electric toothbrush

Technical field

The utility model is related to toothbrush, more particularly to a kind of electric toothbrush.

Background technology

Electric toothbrush generally includes handle and brush head, and handle is thin walled shell structure, the Inner Constitution cavity of thin walled shell, cavity Interior to be equipped with motor, motor is equipped with swinging axle, and swinging axle extends from the housing of motor, and swinging axle imparts power to brush head, from And brush head is driven to make to clear up the swing of tooth.

Swinging axle is arranged on the front end of handle, and the front end of handle is equipped with via, swinging axle extend from via handle with Brush head is connected, and sealing ring is additionally provided in the front end of handle, and sealing ring is arranged on the portion of the housing connection of swinging axle and motor Position, by the clearance seal between electric machine casing and swinging axle.

The shortcomings that prior art, is：Since there are gaps between swinging axle and via, will be swung even if sealing ring extends Gap closing between axis and via, but unbalanced feature of the swinging axle when swinging, after electric toothbrush is caused to be used for a long time, tooth Cream powder and other pollutants can gradually penetrate into the front end of handle, and handle is caused to be contaminated and influences the hygienic shape of entire toothbrush Condition；Moreover, pollutant can also cause to corrode to sealing ring, sealing effect is caused to decline so that pollutant and moisture enter motor Housing in cause the damage of motor.

The information for being disclosed in the background technology part is merely intended to increase the understanding to the general background of the utility model, and It is not construed as recognizing or implies that information composition has been existing well known to persons skilled in the art in any form Technology.

Utility model content

The purpose of this utility model is to provide a kind of electric toothbrush, and in the front end of power toothbrush handle, flushing is set Hole so that electric toothbrush used after can by flushing hole to enter housing front end and sealing ring around pollutant into Row rinses, it is ensured that the housing forward end portion other than sealing ring keeps cleaning, and then ensures the health of electric toothbrush and use motor Safety.

To achieve the above object, the utility model provides a kind of electric toothbrush, and including handle and brush head, handle is shell Body structure, the Inner Constitution cavity of thin walled shell, cavity is interior to be equipped with motor, and motor is equipped with swinging axle；Swinging axle is arranged on handle Front end, the front end of handle are equipped with via, and swinging axle extends handle from via and is connected with brush head, imparts power to brush Head, so as to which brush head be driven to make the swing of cleaning tooth；Sealing ring is additionally provided in the front end of handle, sealing ring is arranged on swinging axle The position being connect with the housing of motor and circular swinging axle, by the clearance seal inside electric machine casing between swinging axle；Handle Cavity in be additionally provided with circuit board, the surface of cavity is equipped with control button；Wherein, the front end of the housing sets sealing ring Handle cavity position is equipped with the flushing hole of perforation cavity wall, and external flushing water passes through flushing hole to enter the cavity for setting sealing ring It is interior, the toothpaste powder and other pollutants that enter this cavity position are rinsed, it is ensured that the cleaning at this cavity position.

In above-mentioned technical proposal, the sealing ring is stepped cylinder body, the shell of the radius of sealing ring cylinder along motor Body end portion to the axial direction for swinging shaft end reduces stepwise, and ladder section of the sealing ring near electric machine casing end face is the first ladder Section, the cascaded surface of the first ladder section towards the via is the first cascaded surface；Handle front end ring is equipped with around the via along swing The abutment ring that axis axis extends to electric machine casing end face, the end of abutment ring are pressed on first cascaded surface, will seal Circle is closely connected on the end face of motor, the position for extend swinging axle by pendulum motor end face and seal isolation outside sealing ring, The flushing hole connects handle outer with the inner surface of abutment ring, and flushing water enters from the outside of handle inside abutment ring, will The pollutant entered from the via rinses away.

It is further preferred that the flushing hole is arranged on the side wall of the front end of handle cavity, rank is directed toward in flushing hole The side surface of ladder-shaped sealing ring, and in sealing ring side surface position in addition to the first ladder section so that abutment ring is towards the The end face of one sealing surface has complete annular surface, it is ensured that the abutting sealing effect of abutment ring and primary sealing area.

It is further preferred that the step number of the sealing ring is three sections or three sections or more, second-order bench connection first Ladder section, the radius of second-order bench are adapted with the abutment ring and are socketed in the abutment ring so that from the via The middle toothpaste powder into abutment ring and other pollutants are obstructed first at second-order bench, reduce toothpaste powder and other dirts The contact area of object and the first cascaded surface is contaminated, improves the effect of sealing ring.

It is further preferred that contour edge of the flushing hole in motor end face side is directed toward the appearance of second-order bench Face or the second cascaded surface of second-order bench so that along flushing hole pour clean water can wash away the second seal section side surface or Second-order bench is flushed out the front end cavity of handle, it is ensured that the effect of flushing by the second cascaded surface to pollutant between the via Fruit.

It is further preferred that the flushing hole is elongate holes, length direction is set along the axial direction of swinging axle so that punching Wash water alongst into the front end cavity of handle, increase ejected wash water in the axial direction directly wash away area, improve clear Manage the effect of pollutant.

It is further preferred that the flushing hole is two or more, and around the axis interval of the swinging axle Setting so that ejected wash water can be flowed into from a flushing hole, be flowed out from other flushing hole, increase clean speed.

It is further preferred that the end face of the motor is equipped with a partition board, the one side of partition board is abutted against with the end face of motor, The another side of partition board and the end face of the sealing ring abut against, and partition board is abutted towards the smooth surface of sealing ring convenient for sealing ring After improve sealing effect.

It is further preferred that the side surface of the partition board is additionally provided with fixed jaw, fixed jaw is axially extending along motor, will be electric Machine is clamped between fixed jaw, keeps the connection of partition board and motor；The end face of fixed jaw also extends for cascaded surface, ladder face pressure The circuit board for compeling electric toothbrush is fastenedly connected with motor.

Compared with prior art, the utility model sets flushing hole by the front end in power toothbrush handle so that electricity Dynamic toothbrush can be rinsed after being used by the pollutant around front end and sealing ring of the flushing hole to entering housing, really Housing forward end portion other than secrecy seal keeps cleaning, and then the health for ensuring electric toothbrush and the safety using motor.

Description of the drawings

Fig. 1 is a kind of perspective exploded view of electric toothbrush of the utility model（Brush head conceals, handle front end partial cutaway It cuts）；

Fig. 2 is a kind of cut-away illustration of electric toothbrush of the utility model；

Fig. 3 is that stereoscopic schematic diagram of the complete, tool there are two flushing hole is assembled in a kind of electric toothbrush of the utility model（Brush Head, swinging axle conceal）；

Fig. 4 is that stereoscopic schematic diagram of the complete, tool there are three flushing hole is assembled in a kind of electric toothbrush of the utility model（Brush Head, swinging axle conceal）；

Fig. 5 is that stereoscopic schematic diagram of the complete, tool there are four flushing hole is assembled in a kind of electric toothbrush of the utility model（Brush Head, swinging axle conceal）.

Main appended drawing reference explanation：

1- handles；11- vias；12- abutment rings；13- flushing holes；14- control buttons；2- motors；21- housings；22- is swung Axis；3- sealing rings；31- the first ladder sections；The first cascaded surfaces of 311-；32- second-order bench；The second cascaded surfaces of 321-；33- thirds Ladder section；34- fourth order bench；35- seals fixing sleeve；4- partition boards；41- fixed jaws；42- cascaded surfaces；5- circuit boards.

Specific embodiment

Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality Novel protection domain is not restricted by specific implementation.

Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members Part or other component parts.

A kind of electric toothbrush as shown in Figure 1, 2, including handle 1 and brush head（It is not shown in figure）, handle 1 is thin walled shell knot Structure, the Inner Constitution cavity of thin walled shell are equipped with motor 2 in cavity, and motor is equipped with swinging axle 22, and swinging axle 22 is from the housing of motor 21 extend, and swinging axle 22 imparts power to brush head, so as to which brush head be driven to make the swing of cleaning tooth；Swinging axle 22 is arranged on The front end of handle, the front end of handle 1 are equipped with via 11, and swinging axle 22 extends handle 1 from via 11 and is connected with brush head, hand Sealing ring 3 is additionally provided in the front end of handle 1, sealing ring 3 is arranged on the position that swinging axle 22 is connect with the housing of motor and surround Swinging axle 22, by the clearance seal between 21 inside of electric machine casing and swinging axle 22；The front end setting sealing of the housing 21 The handle cavity position of circle 3 is equipped with the flushing hole 13 of perforation cavity wall, and external flushing water enters setting sealing across flushing hole In the cavity of circle, the toothpaste powder and other pollutants that enter this cavity position are rinsed.

Further as shown in Figure 1, 2, sealing ring 3 is stepped cylinder body, the shell of the radius of sealing ring cylinder along motor The axial direction of 21 end of body to 22 end of swinging axle reduces stepwise, and ladder section of the sealing ring near electric machine casing end face is the first rank Bench 31, the cascaded surface of the first ladder section towards the via is the first cascaded surface 311；Handle front end ring is equipped with around the via The abutment ring 12 extended along 22 axis of swinging axle to electric machine casing end face, the end of abutment ring 12 are pressed on first ladder On face 311, sealing ring 3 is closely connected on the end face of motor, pendulum motor end face is extended to position and the sealing of swinging axle Circle is external to be sealed off；The flushing hole 13 connects handle outer with the inner surface of abutment ring 12, and flushing water is outside handle Portion enters inside abutment ring, and the pollutant entered from the via is rinsed away.

Further as shown in Fig. 2,3,4,5, flushing hole 13 is arranged on the side wall of the front end of handle cavity, flushing hole 13 The side surface of ladder shape sealing ring is directed toward, and in the sealing ring side surface position in addition to the first ladder section 31 so that abut Ring 12 has complete annular surface towards the end face of primary sealing area, it is ensured that the abutting of abutment ring and primary sealing area sealing effect Fruit；The flushing hole is two or more, and is arranged at intervals around the axis of the swinging axle 22, and Fig. 3 shows punching Hole flushing 13 is two, is symmetrical arranged centered on the axis of swinging axle 22 so that ejected wash water can be flowed into from a flushing hole, It is flowed out from another flushing hole, increases clean speed；Fig. 4 shows flushing hole 13 as three, and two of which flushing hole is to put It is symmetrical arranged centered on the axis of moving axis 22, it is equal with preceding company flushing hole between third flushing hole sets the first two flushing hole Even interval setting；Fig. 5 shows that flushing hole 13 is four, and the axis uniform intervals around swinging axle are set；Flushing hole can also be set It is set to greater number or is only set as single flushing hole, when being set as single flushing hole, needed between swinging axle 22 and via 11 Appropriate gap is kept, is sent out with ensuring that pollutant can be rinsed water from via 11.

Further as shown in Figure 1, 2, the step number of sealing ring 3 is four sections, and second-order bench 32 connects the first ladder section 31, The radius of second-order bench 32 is adapted with the abutment ring 12 and is socketed in the abutment ring 12 so that from the via 11 The middle toothpaste powder into abutment ring and other pollutants are obstructed first at second-order bench 32, reduce toothpaste powder and other The contact area of pollutant and the first cascaded surface 311 improves the effect of sealing ring；Third ladder section 33 connects second-order bench 32, fourth order bench 34 connects third ladder section, and the outer surface of fourth order bench 34 is also socketed with sealing fixing sleeve 35；Sealing is solid Surely set 35 by 34 anchor ear of the 4th seal section on swinging axle 22 so that between sealing ring 3 and swinging axle 22 keep sealing.

Further as shown in Figure 1, 2, contour edge of the flushing hole 13 in motor end face side is directed toward second-order bench 32 Outer surface or the second cascaded surface 321 of second-order bench 32 so that the second seal section can be washed away by pouring clean water along flushing hole 32 side surface or the second cascaded surface 321, by second-order bench 32 to before pollutant flushes out handle between the via 11 Hold cavity, it is ensured that the effect of flushing；The flushing hole is 13 elongate holes（Round hole is may be set to be under a few cases, Enter convenient for seal pressure water filling）, length direction sets along the axial direction of swinging axle 22 so that flushing water is along its length into starting with In the front end cavity of handle, increase the effect directly washed away area, improve cleaning pollutant of ejected wash water in the axial direction.

The end face of motor 2 is equipped with a partition board 4, and the one side of partition board 4 and the end face of motor 2 abut against, the another side of partition board with The end face of the sealing ring 3 abuts against, and partition board 4 improves sealing effect towards the smooth surface of sealing ring after being abutted convenient for sealing ring Fruit；The side surface of the partition board 4 is additionally provided with fixed jaw 41, and fixed jaw 41 is axially extending along motor, and motor is clamped in fixation Between pawl 41, the connection of partition board 4 and motor 2 is kept；The end face of fixed jaw also extends for cascaded surface 42, and cascaded surface 42 oppresses electricity The circuit board 5 of dynamic toothbrush is fastenedly connected with motor 2, and the surface of handle 1 is equipped with the control button 14 of corresponding circuits plate 5, and control is pressed Button 14 controls program work of the electric toothbrush by setting.

The utility model sets flushing hole by the front end in power toothbrush handle so that energy after electric toothbrush is used It is enough rinsed by the pollutant around front end and sealing ring of the flushing hole to entering housing, it is ensured that the shell other than sealing ring Body front end keeps cleaning, and then the health for ensuring electric toothbrush and the safety using motor.

The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to the utility model is defined to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out Many change and variations.The purpose of selecting and describing the exemplary embodiment is that explain the specific principle of the utility model And its practical application, so that those skilled in the art can realize and utilize a variety of different examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes Formula is limited.

Claims

1. a kind of electric toothbrush, including handle and brush head, handle is thin walled shell structure, the Inner Constitution cavity of thin walled shell, cavity Interior to be equipped with motor, motor is equipped with swinging axle；Swinging axle is arranged on the front end of handle, and the front end of handle is equipped with via, swinging axle from Extend handle in via with brush head to be connected, be additionally provided with sealing ring in the front end of handle, sealing ring be arranged on swinging axle with The position of the housing connection of motor simultaneously surround swinging axle；Circuit board is additionally provided in the cavity of handle, the surface of cavity is equipped with control Button；It is characterized in that, the handle cavity position of the front end setting sealing ring of the housing is equipped with the flushing of perforation cavity wall Hole.

2. electric toothbrush according to claim 1, which is characterized in that the sealing ring is stepped cylinder body, is sealed The radius for enclosing cylinder reduces stepwise along the shell end of motor to the axial direction for swinging shaft end, and sealing ring is near electric machine casing The ladder section of end face is the first ladder section, and the cascaded surface of the first ladder section towards the via is the first cascaded surface；Handle front end Be equipped with abutment ring from swinging axle axis to motor end face that extend along around the via, the end of abutment ring be pressed on described in the On one cascaded surface, the flushing hole connects handle outer with the inner surface of abutment ring.

3. electric toothbrush according to claim 2, which is characterized in that the flushing hole is arranged on the front end of handle cavity On the side wall in portion, the side surface of ladder shape sealing ring is directed toward in flushing hole, and in the sealing ring side table in addition to the first ladder section Facial position.

4. electric toothbrush according to claim 3, which is characterized in that the step number of the sealing ring is three sections or three sections More than, second-order bench connects the first ladder section, and the radius of second-order bench is adapted with the abutment ring and is socketed on described In abutment ring.

5. electric toothbrush according to claim 4, which is characterized in that the flushing hole is in the profile of motor end face side It is directed toward the outer surface of second-order bench or the second cascaded surface of second-order bench in edge.

6. electric toothbrush according to claim 5, which is characterized in that the flushing hole be elongate holes, length direction It is set along the axial direction of swinging axle.

7. electric toothbrush according to claim 6, which is characterized in that the flushing hole is two or more, and Axis around the swinging axle is arranged at intervals.

8. electric toothbrush according to claim 1 or 2, which is characterized in that the end face of the motor is equipped with a partition board, every The one side of plate is abutted against with the end face of motor, and the another side of partition board and the end face of the sealing ring abut against, and partition board is towards sealing The smooth surface of circle.

9. electric toothbrush according to claim 8, which is characterized in that the side surface of the partition board is additionally provided with fixed jaw, Fixed jaw is axially extending along motor, and motor is clamped between fixed jaw；Circuit board cascaded surface is also extended in the end face of fixed jaw, electricity The plate cascaded surface compressing circuit board in road is fastenedly connected with motor.