CN115281871B

CN115281871B - Toothbrush head and electric toothbrush

Info

Publication number: CN115281871B
Application number: CN202210777686.XA
Authority: CN
Inventors: 李鹏; 张远平; 孟凡迪
Original assignee: Shenzhen Sushi Technology Co Ltd
Current assignee: Shenzhen Sushi Technology Co Ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2023-12-01
Anticipated expiration: 2042-07-04
Also published as: CN115281871A

Abstract

The invention provides a toothbrush head and an electric toothbrush. Wherein, the toothbrush head includes: the brush head comprises a brush head main body and a brush head cover, wherein the brush head main body comprises a support and first bristles, and the first bristles are arranged on the support; the bristle planting seat is movably connected with the support, and the bristle planting seat is planted Mao Bao with second bristles; the driving piece is arranged on the brush head main body and is used for driving the bristle planting seat to move relative to the support. According to the invention, by reasonably arranging the structure of the toothbrush head, the first bristles vibrate due to the operation of the motor of the electric toothbrush. The second brush hair can also move relative to the first brush hair when vibrating, namely, the second brush hair moves and vibrates, so that the second brush hair is easier to be attached to teeth, and the cleaning effect of the teeth can be effectively improved. In addition, because the second brush hair can move for first brush hair during operation of electric toothbrush, so, increased the clean tooth area, can accelerate clean tooth efficiency.

Description

Toothbrush head and electric toothbrush

Technical Field

The invention relates to the technical field of personal care small household appliances, in particular to a toothbrush head and an electric toothbrush.

Background

In the related art, the toothbrush head comprises a support and bristles, the bristles are fixedly arranged on the support, the bristles on the toothbrush head are driven to vibrate at high frequency through high frequency of a motor so as to clean teeth, and the effect of cleaning the teeth is poor.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

To this end, a first aspect of the present invention proposes a toothbrush head.

A second aspect of the present invention is directed to an electric toothbrush.

In view of this, a first aspect of the present invention provides a toothbrush head comprising: the brush head comprises a brush head main body and a brush head cover, wherein the brush head main body comprises a support and first bristles, and the first bristles are arranged on the support; the bristle planting seat is movably connected with the support, and the bristle planting seat is planted Mao Bao with second bristles; the driving piece is arranged on the brush head main body and is used for driving the bristle planting seat to move relative to the support.

The invention provides a toothbrush head which comprises a toothbrush head main body, a bristle planting seat and a driving piece. The bristle planting seat is movably connected with the support of the brush head main body, and the driving piece can drive the bristle planting seat to move relative to the support.

The brush head main body comprises first bristles, and the bristle planting seat comprises second bristles. The first bristles are fixedly arranged on the support, and when the driving piece drives the bristle planting seat to move relative to the support, the second bristles also move relative to the first bristles.

In particular, the electric toothbrush includes a brush head. When the electric toothbrush works, the first bristles vibrate due to the operation of the motor of the electric toothbrush. The second brush hair can also move relative to the first brush hair when vibrating, namely, the second brush hair moves and vibrates, so that the second brush hair is easier to be attached to teeth, and the cleaning effect of the teeth can be effectively improved. In addition, because the second brush hair can move for first brush hair during operation of electric toothbrush, so, increased the clean tooth area, can accelerate clean tooth efficiency.

That is, through the cooperation structure of reasonable setting brush head main part, planting hair seat and driving piece, the clean tooth mode of the brush hair of toothbrush head has been enriched, that is, first brush hair and second brush hair combine together, with the clean tooth of vibration and the clean tooth of motion an organic whole combine, when guaranteeing the clean tooth effect, can promote clean tooth efficiency, be favorable to reducing the operation energy consumption of product, promoted the performance and the market competition of product.

The toothbrush head according to the invention may also have the following additional technical features:

in the above technical solution, further, the planting Mao Bao includes: the first seat body is provided with second bristles; the driving piece is used for driving the first seat body to reciprocate along a first direction.

In this technical solution, the structure of the bristle holder is further defined, specifically, the bristle Mao Bao includes a first holder, the second bristles are disposed on the first holder, and the first holder is used as a mounting carrier for the second bristles. The first base body can reciprocate along a first direction under the action of the driving piece, so that the second bristles can reciprocate along the first direction under the action of the driving piece.

It will be appreciated that when the toothbrush head is in operation, the first bristles vibrate to clean the teeth, and the second bristles vibrate to clean the teeth, while also being capable of reciprocating in the first direction. In the process of the reciprocating motion of the second bristles, the contact area between the bristles of the toothbrush head and teeth is increased, and meanwhile, the cleaning frequency of the bristles to the teeth can be ensured, so that the bristles are easier to attach to the teeth, and the tooth cleaning effect is improved.

In any of the above technical solutions, further, a first side of the support is provided with an avoidance gap, a second side of the support is provided with an avoidance opening, and the first bristles are arranged on the second side of the support; at least a portion of the first housing is positioned within the avoidance void and the first housing is movable relative to the avoidance void; the second bristles extend out of the outer surface of the support through the avoidance openings.

In the technical scheme, the first side of support is equipped with dodges the vacancy, and the second side of support is equipped with dodges the mouth, and the first side of support and the second side of support set up relatively, and dodges the mouth and dodge the vacancy intercommunication.

At least a portion of the first housing is positioned within the avoidance void and the first housing is movable relative to the avoidance void. That is, the avoidance of the void has the function of accommodating the first seat, and the avoidance of the void does not hinder the movement of the first seat. This setting has rationally utilized the structure of support, when satisfying the user demand of planting hair seat and support swing joint, can not increase the size of the thickness direction of brush head main part.

It will be appreciated that the second bristles extend out of the outer surface of the support through the relief opening, i.e. when the brush head body and the bristle holder are assembled, the second bristles pass through the relief opening and the relief opening in sequence and connect the support with the first holder. The avoidance opening and the avoidance gap also have the function of limiting the movement track of the first seat body, and provide effective and reliable structural support for ensuring the matching size of the first bristles and the second bristles.

It will be appreciated that the first bristles are disposed on the second side of the support and the second bristles extend beyond the outer surface of the support through the relief opening. That is, the first bristles and the second bristles are located on the same side of the support.

In any of the foregoing embodiments, further the first bristles comprise a plurality of rows of first bristles; the second bristles comprise a plurality of rows of second bristles, and a row of second bristles are clamped between any two adjacent rows of first bristles.

In the technical scheme, the first bristles comprise a plurality of rows of first bristles, the second bristles comprise a plurality of rows of second bristles, and the matching structure of the plurality of rows of first bristles and the plurality of rows of second bristles is limited, so that a row of second bristles is clamped between any two adjacent rows of first bristles, and the second bristles can move relative to the first bristles. Therefore, the matching area of the first hair body and the second hair body is thinned, the cleaning mode on the tooth unit area is enriched, the second hair body can reciprocate along the first direction relative to the first hair body, namely, a plurality of rows of first hair bodies and a plurality of rows of second hair bodies form a grid-shaped staggered structure, the cleaning of dirt in tooth gaps by the hair bodies is facilitated, and the tooth cleaning effect can be ensured.

In any of the above technical solutions, further, the hair-planting base further includes: the second brush hair is also arranged on the second seat body; the driving piece is also used for driving the second seat body to rotate in a reciprocating mode along a second direction, and the first direction is different from the second direction.

In the technical scheme, the bristle planting seat further comprises a second seat body, the second bristles are further arranged on the second seat body, and the second seat body serves as a mounting carrier of the second bristles. The second seat body can rotate reciprocally in a second direction under the action of the driving element, so that the second bristles can rotate reciprocally in the second direction under the action of the driving element.

It can be understood that when the toothbrush head works, the first bristles vibrate to clean teeth, the second bristles on the first seat body vibrate to clean teeth and simultaneously can reciprocate along the first direction, and the second bristles on the second seat body vibrate to clean teeth and simultaneously can reciprocate along the second direction. In the process of the reciprocating motion of the second bristles, the contact area between the bristles of the toothbrush head and teeth is increased, and meanwhile, the cleaning frequency of the bristles to the teeth can be ensured, so that the bristles are easier to attach to the teeth, and the tooth cleaning effect is improved.

Because the direction of motion of the second brush hair on the first pedestal is different from that of the second brush hair on the second pedestal, when the toothbrush head works, the first brush hair and the second brush hair can be cleaned in a plurality of directions and angles, so that the tooth cleaning modes are enriched, and the tooth cleaning effect is improved.

In any of the above technical solutions, further, the second side of the support is further provided with a sink groove and a mating shaft, and the mating shaft is disposed in the sink groove; at least one part of the second seat body is positioned in the sinking groove, and the second seat body is rotationally connected with the matching shaft.

In this technical scheme, the second side of support still is equipped with the heavy groove, and at least a portion of second pedestal is located heavy inslot, and the second pedestal rotates with the cooperation axle to be connected, and the second pedestal can rotate around the axis of cooperation axle.

The sinking groove has the function of accommodating the second seat body, and the sinking groove can not obstruct the movement of the second seat body. This setting has rationally utilized the structure of support, when satisfying the user demand of planting hair seat and support swing joint, can not increase the size of the thickness direction of brush head main part.

It will be appreciated that the second bristles extend through the rebate opening of the countersink beyond the outer surface of the support, i.e. when the brush head body and the bristle holder are assembled, the second holder extends into the countersink and connects the support and the second holder together. The mating shaft has the effect of limiting the movement track of the second base, providing effective and reliable structural support for ensuring the mating dimensions of the first bristles and the second bristles.

In any of the above technical solutions, further, a second side of the support is further provided with a clamping position, where the clamping position is used for limiting the second seat body in the height direction of the support; the toothbrush head also comprises an elastic piece which is connected between the second seat body and the matching shaft.

In this technical scheme, the second side of support still is equipped with the screens, and the screens cooperates with the second pedestal, and the screens has the effect of spacing second pedestal along the direction of height of support for can enough satisfy second pedestal and support swing joint's user demand, can avoid the condition emergence that second pedestal breaks away from with the support again.

Specifically, the clamping position is arranged in the sinking groove.

Further, the toothbrush head further comprises an elastic piece, the elastic piece is provided with a first end and a second end, the first end of the elastic piece is connected with the second seat body, and the second end of the elastic piece is connected with the matching shaft. The elastic piece has acting force for slowing down the movement of the second base body, so that the movement of the second base body relative to the support is smoother.

In any of the above technical solutions, further, the tank wall of the sinking tank includes a first arc wall, the peripheral wall of the second seat includes a second arc wall, the second arc wall is correspondingly disposed with the first arc wall, and the second arc wall is adapted to the shape of the first arc wall.

In this technical scheme, through the cooperation structure of reasonable heavy groove and second pedestal that sets up for the cell wall of heavy groove includes first arc wall, and the periphery wall of second pedestal includes the second arc wall, and when the second pedestal rotated relative to heavy groove, the second arc wall corresponds the setting with first arc wall. Because the shape of the first arc-shaped wall is matched with the shape of the second arc-shaped wall, when the second base body rotates relative to the sinking groove, the groove wall of the sinking groove cannot interfere with the second base body, and effective and reliable structural support is provided for the movement of the second base body relative to the support.

In any of the above technical solutions, further, the brush head main body is provided with a channel, and the driving member is disposed in the channel; the driving piece includes: the connecting rod is rotationally connected with the channel; the first end of the driving shaft is connected with the connecting rod, the second end of the driving shaft extends out of the channel and is connected with the first seat body, and the connecting rod drives the first seat body to move through the driving shaft; the first end of the positioning shaft is connected with the connecting rod, the second end of the positioning shaft extends out of the channel and is rotationally connected with the first seat body, and the first seat body can rotate around the axis of the positioning shaft.

In this technical scheme, the brush head main part is equipped with the passageway, and the driving piece is located the passageway, and the passageway promptly has the effect of holding the driving piece.

The driving piece comprises a connecting rod, a driving shaft and a positioning shaft, wherein the driving shaft and the positioning shaft are both connected with the connecting rod, and the connecting rod is connected with a driving shaft of the motor. The rotation angle of the driving shaft of the motor is larger than 0 degrees and smaller than 90 degrees, the motor can drive the connecting rod to reciprocate along the third direction, and the connecting rod drives the first seat body to reciprocate along the first direction through the driving shaft.

It is understood that the second end of the positioning shaft extends out of the channel and is rotatably connected with the first seat body, the first seat body can rotate around the axis of the positioning shaft, and the positioning shaft serves as a pivot point for rotating the first seat body and has the function of limiting the rotating path of the first seat body. The driving shaft is matched with the positioning shaft to ensure the matching size of the first base body relative to the support.

In any of the above technical solutions, further, the first base is provided with a first clamping groove, and the second end of the driving shaft is clamped in the first clamping groove; the driving piece further comprises a positioning rotating shaft, the positioning rotating shaft is connected with the support and the first seat body, and the first seat body can rotate around the axis of the positioning rotating shaft.

In the technical scheme, the first base is provided with a first clamping groove, the second end of the driving shaft is clamped in the first clamping groove, namely, the connecting rod and the first base are connected into a whole through the driving shaft, so that the connecting rod drives the first base to reciprocate along the first direction.

The driving piece further comprises a positioning rotating shaft, the positioning rotating shaft is connected with the support and the first seat body, and the first seat body can rotate relative to the positioning rotating shaft. The first end of location axle is connected the support, and the second end of location axle rotates with first pedestal to be connected, and first pedestal can rotate around the axis of location pivot. That is, the first seat body and the support are connected into a whole through the positioning rotating shaft.

It is understood that the axis of the positioning rotating shaft is collinear with the axis of the positioning shaft, and the positioning rotating shaft is matched with the positioning shaft to connect the connecting rod, the first seat body and the support as a whole. The positioning rotating shaft and the positioning shaft are matched and jointly serve as a pivot for the rotation of the first seat body, and the function of limiting the rotation path of the first seat body is achieved. The driving shaft, the positioning rotating shaft and the positioning shaft are matched to ensure the matching size of the first base body relative to the support.

In any of the above technical solutions, further, the support is provided with an avoidance hole; the driving piece comprises a secondary moving shaft, and the first end of the secondary moving shaft passes through the avoidance hole and is connected with the first seat body; the second seat body is provided with a matching part, the second end of the secondary moving shaft is connected with the matching part, and the first seat body drives the second seat body to move through the secondary moving shaft.

In the technical scheme, the driving piece comprises a secondary moving shaft, the secondary moving shaft is provided with a first end and a second end, the first end of the secondary moving shaft penetrates through the avoidance hole and is connected with the first seat body, and the second end of the secondary moving shaft is connected with the matching part of the second seat body. The first seat body moves back and forth along the first direction, the secondary moving shaft can be driven to move, the secondary moving shaft can drive the matching part to move, and then the purpose that the second seat body rotates back and forth along the second direction is achieved. This setting has reduced the material input that is used for driving the second pedestal rotatory when guaranteeing the reciprocal rotatory user demand of second pedestal along the second direction, is favorable to reducing the manufacturing cost of product, and can reduce the occupation rate of driving piece to toothbrush head inner space, is favorable to realizing the lightness of toothbrush head.

In any of the above embodiments, further, the mating portion includes: a first bump; the second convex blocks are arranged at one side of the first convex blocks at intervals, and the second ends of the secondary shafts extend into the space between the first convex blocks and the second convex blocks; the distance between the first lug and the second lug is larger than the axial diameter of the secondary shaft.

In this technical scheme, the cooperation portion includes first lug and second lug, and first lug and second lug interval arrangement, the second end of secondary shaft can stretch into between first lug and the second lug. Because the interval between the first lug and the second lug is larger than the axial diameter of the secondary moving shaft, the arrangement provides effective and reliable structural support for the secondary moving shaft to drive the second seat body to reciprocally rotate along the second direction.

In any of the above solutions, further, the brush head body further includes: a fixing member; the brush handle is connected between the fixing piece and the support, and a channel is surrounded between the fixing piece and the brush handle.

In this technical scheme, the brush head main part still includes mounting and brush holder, and the brush holder is located between mounting and the support, and mounting and support all are connected with the brush holder, and mounting and brush holder cooperate to surround the passageway of holding connecting rod.

It will be appreciated that a portion of the drive shaft of the motor extends through the mount and into the channel, and that portion of the drive shaft located in the channel is removably connected to the linkage.

In any of the above technical solutions, further, the driving member further includes: the first end of the connecting piece is connected with the support; the second seat body is provided with a slide way, the second end of the connecting piece stretches into the slide way, and the second end of the connecting piece is in sliding fit with the slide way.

In this technical scheme, the driving piece includes first end and second end, and the support is connected to the first end of connecting piece, and the second end of connecting piece and the slide sliding fit of second pedestal. The connecting piece connects support and second pedestal into a whole, and this setting can guarantee the cooperation size of support and second pedestal, when guaranteeing that the second pedestal can follow the reciprocal rotation of second direction, can avoid the condition emergence of second pedestal and support separation.

In addition, when the toothbrush head moves, the slide rail moves relative to the connecting piece, and the slide rail is matched with the second end of the connecting piece, so that the function of limiting the rotating path of the second seat body can be achieved.

A second aspect of the present invention provides an electric toothbrush comprising: the host comprises a motor; and the brush head according to any one of the first aspect, wherein the drive shaft of the motor is connected to the link rod of the brush head.

The electric toothbrush provided by the invention comprises the toothbrush head according to any one of the first aspect, so that the electric toothbrush has all the beneficial effects of the toothbrush head, and the electric toothbrush is not described herein.

In the above technical solution, further, the host further includes: a housing including a connection pipe; the motor is arranged on the shell, and a first part of the driving shaft extends out of the outer surface of the shell through the connecting pipe and is connected with the connecting rod; the length of the connecting pipe is more than or equal to 18mm and less than or equal to 22mm; the distance from the end of the first portion of the drive shaft to the start end of the connection pipe is 30mm or more and 45mm or less.

In this technical scheme, through the cooperation structure of reasonable setting shell and drive shaft for the first part of drive shaft stretches out the surface of shell through the connecting pipe of shell, and is connected with the connecting rod.

The length of connecting pipe is greater than or equal to 18mm, and is less than or equal to 22mm, and this setting can guarantee the structural strength of toothbrush head and shell assembly for the toothbrush head can be firm and firmly assemble on the host computer, can reduce the shake volume of toothbrush head when electric toothbrush works.

The distance from the end of the first portion of the drive shaft to the start end of the connection pipe is 30mm or more and 45mm or less. That is, the length of the first part of the driving shaft is ensured, the matching length of the driving shaft and the connecting rod can be ensured, the toothbrush head can be stably and firmly assembled on the host, and the shaking amount of the toothbrush head can be reduced when the electric toothbrush works.

In any of the above aspects, further, in a direction from the drive shaft to the connecting rod, the first portion of the drive shaft includes a first drive section and a second drive section; a portion of the outer peripheral wall of the second drive section is a mounting plane that is closer to the axis of the drive shaft than the outer peripheral wall of the first drive section.

In this solution, the first part of the drive shaft comprises a first drive section and a second drive section, the second drive section being located between the first drive section and the support.

And one part of the peripheral wall of the second driving section is a mounting plane, the mounting plane is closer to the axis of the driving shaft than the peripheral wall of the first driving section, a mounting clamping groove is formed between the mounting plane and the first driving section, the connecting rod is provided with a first convex part, and the first convex part is inserted into the mounting clamping groove. When the motor works, the mounting plane is matched with the first driving section to effectively position the toothbrush head, so that the situation that the toothbrush head is in failure in rotation due to slipping of the toothbrush head is avoided.

In any of the above aspects, further, an end of the first portion of the drive shaft is formed with a chamfer; the outer peripheral wall of the second driving section is provided with a second clamping groove.

In this technical scheme, the tip of the first part of drive shaft is formed with the chamfer, and the chamfer has the effect of direction, conveniently inserts in the toothbrush head.

The second drive section's periphery wall is equipped with the second draw-in groove, and the connecting rod is equipped with the second convex part, and the second convex part card is located in the second draw-in groove, should be provided with and be favorable to effectively locating the toothbrush head, avoids the toothbrush head to skid and leads to the condition emergence of toothbrush head rotation inefficacy.

In any of the above technical solutions, further, the motor is an acoustic wave motor; the rotation angle of the driving shaft is more than 0 degrees and less than or equal to 90 degrees.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 illustrates a schematic view of the structure of a toothbrush head of one embodiment of the present invention from a first perspective;

FIG. 2 illustrates a schematic structural view of a second view of a toothbrush head of one embodiment of the present invention;

FIG. 3 shows a schematic structural view of a third view of a toothbrush head of one embodiment of the present invention;

FIG. 4 shows a schematic structural view of a fourth perspective of a toothbrush head of one embodiment of the present invention;

FIG. 5 shows a schematic structural view of a fifth perspective of a toothbrush head of one embodiment of the present invention;

FIG. 6 illustrates a cross-sectional view of a first view of a toothbrush head of one embodiment of the present invention;

FIG. 7 illustrates a cross-sectional view of a second view of a toothbrush head of one embodiment of the present invention;

FIG. 8 illustrates a cross-sectional view of a third view of a toothbrush head of one embodiment of the present invention;

FIG. 9 illustrates an exploded view of a first view of a toothbrush head of one embodiment of the present invention;

FIG. 10 illustrates an exploded view of a second view of the toothbrush head of one embodiment of the present invention;

FIG. 11 illustrates a schematic view of the structure of a first view of a first portion of a toothbrush head of one embodiment of the present invention;

FIG. 12 illustrates a schematic structural view of a second view of a first portion of a toothbrush head of one embodiment of the present invention;

FIG. 13 illustrates a schematic structural view of a third view of a first portion of a toothbrush head of one embodiment of the present invention;

FIG. 14 illustrates a schematic structural view of a fourth view of a first portion of a toothbrush head of one embodiment of the present invention;

FIG. 15 shows a schematic structural view of a fifth perspective of a first portion of a toothbrush head of one embodiment of the present invention;

FIG. 16 shows a schematic structural view of a sixth view of a first portion of a toothbrush head of one embodiment of the present invention;

FIG. 17 shows a schematic view of the structure of a first view of a second portion of a toothbrush head of one embodiment of the invention;

FIG. 18 illustrates a schematic structural view of a second portion of a toothbrush head of one embodiment of the present invention;

FIG. 19 shows a schematic structural view of a third view of a second portion of a toothbrush head of one embodiment of the present invention;

FIG. 20 is a schematic view showing the structure of a second base and a first view of second bristles according to one embodiment of the present invention;

FIG. 21 is a schematic view showing the structure of a second base and a second view of a second bristle according to an embodiment of the present invention;

FIG. 22 is a schematic view showing the structure of a second base and a third view of second bristles according to one embodiment of the present invention;

FIG. 23 is a schematic view showing a structure of a second base and a fourth view of second bristles according to one embodiment of the present invention;

FIG. 24 is a schematic view showing a structure of a second base and a fifth view of second bristles according to one embodiment of the present invention;

fig. 25 is a schematic view showing a structure of a second base and a sixth view of second bristles according to one embodiment of the present invention;

FIG. 26 is a schematic view showing the structure of an electric toothbrush according to an embodiment of the present invention;

FIG. 27 shows a cross-sectional view of an electric toothbrush in accordance with one embodiment of the present invention;

FIG. 28 is an enlarged view of a portion of the electric toothbrush of FIG. 27;

FIG. 29 shows an exploded view of an electric toothbrush according to one embodiment of the present invention;

FIG. 30 shows a schematic diagram of a host computer according to an embodiment of the invention;

FIG. 31 shows a cross-sectional view of a host machine of one embodiment of the invention;

FIG. 32 is a partial enlarged view of a portion B of the host shown in FIG. 31;

FIG. 33 is a schematic dimensional view of the host computer shown in FIG. 31 at B;

fig. 34 shows a schematic structural view of a motor according to an embodiment of the present invention.

Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 34 is:

100 toothbrush heads, 110 brush head bodies, 112 supports, 1122 avoidance holes, 1124 avoidance holes, 1126 sinking slots, 1128 mating shafts, 1130 blocking, 1132 avoidance holes, 114 first bristles, 1142 first bristles, 116 fixing pieces, 118 handle, 120 channels, 130 bristle setting seats, 132 second bristles, 1322 second bristles, 134 first seats, 1342 first clamping slots, 136 second seats, 1362 mating portions, 1364 first protrusions, 1366 second protrusions, 1368 slides, 140 driving pieces, 142 connecting rods, 144 driving shafts, 146 positioning shafts, 148 positioning shafts, 150 times driving shafts, 152 connecting pieces, 160 elastic pieces, 200 electric toothbrushes, 210 hosts, 212 motors, 2122 driving shafts, 2124 first driving sections, 2126 second driving sections, 2127 chamfers, 2128 second clamping slots, 2130 mounting planes, 214 housings, 2142 connecting pipes, 216 glue jackets, 218 supporting pieces, 220 front connecting sleeves, 230 switches, 240 connecting pads, 250 brackets, 260 electric control boards, 270 batteries.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.

A toothbrush head 100 and an electric toothbrush 200 according to some embodiments of the present application are described below with reference to fig. 1 to 34.

Example 1:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19, an embodiment of the first aspect of the present application provides a toothbrush head 100, wherein the toothbrush head 100 includes a brush head body 110, a bristle holder 130 and a driving member 140.

The brush head body 110 includes a support 112 and first bristles 114, the first bristles 114 being disposed on the support 112.

The bristle holder 130 is movably connected with the support 112, and the bristle holder 130 includes second bristles 132.

The driving member 140 is disposed on the brush head body 110, and the driving member 140 is used for driving the bristle holder 130 to move relative to the support 112.

In detail, the toothbrush head 100 includes a head body 110, a bristle holder 130, and a driving member 140. The bristle holder 130 is movably connected with the support 112 of the brush head body 110, and the driving member 140 can drive the bristle holder 130 to move relative to the support 112.

The brush head body 110 includes first bristles 114 and the bristle holder 130 includes second bristles 132. The first bristles 114 are fixed on the support 112, and when the driving member 140 drives the bristle setting base 130 to move relative to the support 112, the second bristles 132 also move relative to the first bristles 114.

Specifically, the electric toothbrush 200 includes a brush head 100. When the electric toothbrush 200 is operated, the first bristles 114 vibrate due to the operation of the motor 212 of the electric toothbrush 200. The second bristles 132 can also move relative to the first bristles 114 while vibrating, i.e., the second bristles 132 both move and vibrate, so that the second bristles 132 more easily conform to the teeth, and the cleaning effect of the teeth can be effectively improved. In addition, since the second bristles 132 can move with respect to the first bristles 114 when the electric toothbrush 200 is operated, a tooth cleaning area is increased, and tooth cleaning efficiency can be accelerated.

That is, through the reasonable arrangement of the cooperation structure of the brush head main body 110, the bristle setting seat 130 and the driving member 140, the tooth cleaning mode of the bristles of the toothbrush head 100 is enriched, that is, the first bristles 114 and the second bristles 132 are combined, the vibration tooth cleaning and the movement tooth cleaning are integrally combined, the tooth cleaning efficiency can be improved while the tooth cleaning effect is ensured, the running energy consumption of the product is reduced, and the use performance and the market competitiveness of the product are improved.

Example 2:

as shown in fig. 1 to 19, on the basis of embodiment 1, embodiment 2 provides a toothbrush head 100, the toothbrush head 100 including a head main body 110, a bristle bearing 130, and a driving member 140.

Further, as shown in fig. 4, 9, 10, 17, 18 and 19, the bristle holder 130 includes a first holder 134, and the second bristles 132 are disposed on the first holder 134.

The driving member 140 is configured to drive the first base 134 to reciprocate along a first direction.

In detail, the structure of the bristle holder 130 is further defined, and in particular, the bristle holder 130 includes a first holder 134, the second bristles 132 are disposed on the first holder 134, and the first holder 134 serves as a mounting carrier for the second bristles 132. The first housing 134 can reciprocate in a first direction by the driving member 140, and thus, the second bristles 132 can reciprocate in the first direction by the driving member 140.

It will be appreciated that the first bristles 114 vibrate to clean the teeth and the second bristles 132 vibrate to clean the teeth while the toothbrush head 100 is in operation, and are also capable of reciprocating in a first direction. In the process of the reciprocating movement of the second bristles 132, the contact area between the bristles of the toothbrush head 100 and the teeth is increased, and meanwhile, the cleaning frequency of the bristles to the teeth can be ensured, so that the bristles are more easily attached to the teeth, and the tooth cleaning effect is improved.

Example 3:

as shown in fig. 1 to 19, on the basis of embodiment 2, embodiment 3 provides a toothbrush head 100, the toothbrush head 100 including a head main body 110, a bristle bearing 130, and a driving member 140.

The bristle holder 130 includes a first holder 134, and the second bristles 132 are disposed on the first holder 134.

Further, as shown in fig. 12, 13, 15 and 16, the first side of the support 112 is provided with a relief void 1122, the second side of the support 112 is provided with a relief opening 1124, and the first bristles 114 are provided on the second side of the support 112.

At least a portion of the first housing 134 is positioned within the relief void 1122 and the first housing 134 is movable relative to the relief void 1122; the second bristles 132 extend out of the outer surface of the support 112 through relief openings 1124.

In detail, the first side of the support 112 is provided with an avoidance gap 1122, the second side of the support 112 is provided with an avoidance opening 1124, the first side of the support 112 and the second side of the support 112 are disposed opposite to each other, and the avoidance opening 1124 is in communication with the avoidance gap 1122.

At least a portion of the first housing 134 is positioned within the relief void 1122 and the first housing 134 is movable relative to the relief void 1122. That is, the avoidance space 1122 has the function of accommodating the first housing 134, and the avoidance space 1122 does not hinder the movement of the first housing 134. This arrangement rationally utilizes the structure of the support 112, and does not increase the size of the brush head main body 110 in the thickness direction while satisfying the use requirement of the movable connection of the bristle holder 130 and the support 112.

It will be appreciated that the second bristles 132 extend out of the outer surface of the support 112 through the relief openings 1124, i.e., when the brush head body 110 and the bristle holder 130 are assembled, the second bristles 132 sequentially pass through the relief voids 1122 and the relief openings 1124 and connect the support 112 and the first holder 134 together. The relief openings 1124 and relief voids 1122 also function to limit the path of movement of the first housing 134, providing effective and reliable structural support for ensuring the mating dimensions of the first bristles 114 and the second bristles 132.

It will be appreciated that the first bristles 114 are disposed on a second side of the support 112 and the second bristles 132 extend beyond the outer surface of the support 112 through the relief openings 1124. That is, the first bristles 114 and the second bristles 132 are located on the same side of the support 112.

Example 4:

as shown in fig. 1 to 19, on the basis of embodiment 2 or embodiment 3, embodiment 4 provides a toothbrush head 100, the toothbrush head 100 including a head main body 110, a bristle holder 130, and a driver 140.

Further, as shown in FIG. 1, the first bristles 114 comprise a plurality of rows of first bristles 1142; the second bristles 132 comprise a plurality of rows of second bristles 1322, wherein a row of second bristles 1322 is sandwiched between any two adjacent rows of first bristles 1142.

In detail, the first bristles 114 include a plurality of rows of first bristles 1142, the second bristles 132 include a plurality of rows of second bristles 1322, and define a mating arrangement of the plurality of rows of first bristles 1142 and the plurality of rows of second bristles 1322 such that any two adjacent rows of first bristles 1142 sandwich a row of second bristles 1322, the second bristles 1322 being movable relative to the first bristles 1142. In this way, the matching area of the first hair bodies 1142 and the second hair bodies 1322 is thinned, the cleaning mode of the tooth unit area is enriched, and the second hair bodies 1322 can reciprocate along the first direction relative to the first hair bodies 1142, namely, a plurality of rows of first hair bodies 1142 and a plurality of rows of second hair bodies 1322 form a grid-shaped staggered structure, which is more beneficial to cleaning dirt in the tooth gaps by the hair bodies and can ensure the tooth cleaning effect.

Example 5:

as shown in fig. 1 to 19, on the basis of any one of embodiments 2 to 4, embodiment 5 provides a toothbrush head 100, the toothbrush head 100 including a head main body 110, a bristle bearing 130, and a driving member 140.

Further, as shown in fig. 1, 2, 3, 9, 10, 17, 18, 19, 20, 21, 22, 23, 24 and 25, the bristle holder 130 further includes a second holder 136, and the second bristles 132 are further disposed on the second holder 136.

The driving member 140 is further configured to drive the second seat 136 to reciprocally rotate along a second direction, and the first direction is different from the second direction.

In detail, the bristle holder 130 further includes a second holder 136, the second bristles 132 are further disposed on the second holder 136, and the second holder 136 serves as a mounting carrier for the second bristles 132. The second base 136 can reciprocally rotate in the second direction under the action of the driving element 140, and thus, the second bristles 132 can reciprocally rotate in the second direction under the action of the driving element 140.

It will be appreciated that when the toothbrush head 100 is in operation, the first bristles 114 vibrate to clean the teeth, and the second bristles 132 on the first housing 134 vibrate to clean the teeth, and simultaneously reciprocate in a first direction, and the second bristles 132 on the second housing 136 vibrate to clean the teeth, and simultaneously reciprocate in a second direction. In the process of the reciprocating movement of the second bristles 132, the contact area between the bristles of the toothbrush head 100 and the teeth is increased, and meanwhile, the cleaning frequency of the bristles to the teeth can be ensured, so that the bristles are more easily attached to the teeth, and the tooth cleaning effect is improved.

Because the movement directions of the second bristles 132 on the first base 134 and the second bristles 132 on the second base 136 are different, the arrangement ensures that the first bristles 114 and the second bristles 132 can clean teeth in a plurality of ways from a plurality of directions and a plurality of angles when the toothbrush head 100 works, enriches the ways of cleaning teeth and is beneficial to improving the tooth cleaning effect.

In this embodiment, the first bristles 114 and the second bristles 132 on the first housing 134 are identical in shape, and the first bristles 114 and the second bristles 132 on the second housing 136 are different in shape. Specifically, the first bristles 1142 are rectangular in shape, the second bristles 1322 on the first housing 134 are rectangular in shape, and the second bristles 1322 on the second housing 136 are cylindrical in shape. That is, the second bristles 132 on the first housing 134 are cleaned differently from the first bristles 114, but the first bristles 114 and the second bristles 132 on the first housing 134 are shaped identically, the second bristles 132 on the second housing 136 are cleaned differently from the first bristles 114, and the second bristles 132 on the second housing 136 are shaped differently from the first bristles 114. Different cleaning modes are matched with specific bristle shapes, so that the cleaning effect can be improved.

In other embodiments, the first bristles 114, the second bristles 132 on the first housing 134, and the second bristles 132 on the second housing 136 are all the same shape.

In other embodiments, the first bristles 114 and the second bristles 132 are different in shape.

Example 6:

as shown in fig. 1 to 19, on the basis of embodiment 5, embodiment 6 provides a toothbrush head 100, the toothbrush head 100 including a head main body 110, a bristle bearing 130, and a driving member 140.

The bristle holder 130 further includes a second holder 136, and the second bristles 132 are further disposed on the second holder 136.

Further, as shown in fig. 11, 12, 14 and 15, the second side of the support 112 is further provided with a sink 1126 and a mating shaft 1128, and the mating shaft 1128 is provided in the sink 1126.

At least a portion of the second housing 136 is positioned within the sink 1126, and the second housing 136 is rotatably coupled to the mating shaft 1128.

Wherein, the second side of the support 112 is further provided with a sink 1126, at least a portion of the second seat 136 is located in the sink 1126, and the second seat 136 is rotatably connected to the mating shaft 1128, and the second seat 136 can rotate around the axis of the mating shaft 1128.

The sink 1126 serves to accommodate the second seat 136, and the sink 1126 does not obstruct the movement of the second seat 136. This arrangement rationally utilizes the structure of the support 112, and does not increase the size of the brush head main body 110 in the thickness direction while satisfying the use requirement of the movable connection of the bristle holder 130 and the support 112.

It will be appreciated that the second bristles 132 extend through the notches of the countersink 1126 beyond the outer surface of the support 112, i.e., the second housing 136 extends into the countersink 1126 and connects the support 112 and the second housing 136 when the brush head body 110 and the bristle holder 130 are assembled. The mating shaft 1128 has the effect of limiting the path of movement of the second housing 136, providing effective and reliable structural support for ensuring the mating dimensions of the first bristles 114 and the second bristles 132.

Further, as shown in fig. 11, the second side of the support 112 is further provided with a clamping position 1130, where the clamping position 1130 is used to limit the second seat 136 in the height direction of the support 112.

As shown in fig. 8, 9 and 10, the toothbrush head 100 further includes an elastic member 160, and the elastic member 160 is connected between the second housing 136 and the mating shaft 1128.

The second side of the support 112 is further provided with a clamping position 1130, the clamping position 1130 is matched with the second seat 136, and the clamping position 1130 has the function of limiting the second seat 136 along the height direction of the support 112, so that the use requirement of the movable connection between the second seat 136 and the support 112 can be met, and the situation that the second seat 136 is separated from the support 112 can be avoided.

Specifically, the locking portion 1130 is disposed in the recess 1126.

In addition, the toothbrush head 100 further includes an elastic member 160, the elastic member 160 having a first end and a second end, the first end of the elastic member 160 being coupled to the second housing 136, the second end of the elastic member 160 being coupled to the mating shaft 1128. The elastic member 160 has a force that slows down the movement of the second seat 136, so that the movement of the second seat 136 with respect to the support 112 is smoother.

Specifically, the elastic member 160 includes a spring, a snap spring, and the like, which are not illustrated herein.

Specifically, the fitting shaft 1128 is provided with a fitting groove, and the second end of the elastic member 160 is located in the fitting groove and is connected with the groove wall of the fitting groove.

Further, the groove wall of the sink 1126 includes a first arc-shaped wall, and the outer circumferential wall of the second housing 136 includes a second arc-shaped wall.

The second arc-shaped wall is arranged corresponding to the first arc-shaped wall, and the shape of the second arc-shaped wall is matched with that of the first arc-shaped wall.

Wherein, through the cooperation structure of reasonable setting heavy groove 1126 and second pedestal 136 for heavy groove 1126's cell wall includes first arc wall, and second pedestal 136's periphery wall includes the second arc wall, and when second pedestal 136 rotated for heavy groove 1126, the second arc wall set up with first arc wall corresponds. Because the shape of the first arcuate wall is adapted to the shape of the second arcuate wall, the walls of the sink 1126 do not interfere with the second base 136 as the second base 136 rotates relative to the sink 1126, providing effective and reliable structural support for movement of the second base 136 relative to the support 112.

Specifically, the outer peripheral wall of the second seat 136 is annular in shape.

Example 7:

as shown in fig. 1 to 19, on the basis of embodiment 5 or embodiment 6, embodiment 7 provides a toothbrush head 100, the toothbrush head 100 including a head main body 110, a bristle holder 130, and a driver 140.

Further, as shown in fig. 7, 9, 10, 17, 18, 19, 27 and 28, the brush head body 110 is provided with a channel 120, a driving member 140 is provided in the channel 120, and a driving member 140 link 142, a driving shaft 144 and a positioning shaft 146.

The link 142 is rotatably coupled to the channel 120.

The first end of the driving shaft 144 is connected to the connecting rod 142, the second end of the driving shaft 144 extends out of the channel 120 and is connected to the first seat 134, and the connecting rod 142 drives the first seat 134 to move through the driving shaft 144.

The first end of the positioning shaft 146 is connected to the connecting rod 142, the second end of the positioning shaft 146 extends out of the channel 120 and is rotatably connected to the first housing 134, and the first housing 134 is rotatable about the axis of the positioning shaft 146.

In detail, the brush head body 110 is provided with a channel 120, and the driving member 140 is disposed in the channel 120, that is, the channel 120 has a function of accommodating the driving member 140.

The driving member 140 includes a link 142, a driving shaft 144, and a positioning shaft 146, the driving shaft 144 and the positioning shaft 146 are connected to the link 142, and the link 142 is connected to a driving shaft 2122 of the motor 212. The rotation angle of the driving shaft 2122 of the motor 212 is greater than 0 ° and less than 90 °, and the motor 212 can drive the connecting rod 142 to reciprocate along the third direction, and the connecting rod 142 drives the first seat 134 to reciprocate along the first direction through the driving shaft 144.

It will be appreciated that the second end of the positioning shaft 146 extends out of the channel 120 and is rotatably connected to the first housing 134, the first housing 134 is capable of rotating about the axis of the positioning shaft 146, and the positioning shaft 146 serves as a pivot point for rotation of the first housing 134 and has the function of limiting the rotational path of the first housing 134. The drive shaft 144 and the positioning shaft 146 cooperate to ensure the mating dimensions of the first housing 134 relative to the support 112.

Further, as shown in fig. 17 and 18, the first base 134 is provided with a first locking groove 1342, and the second end of the driving shaft 144 is locked in the first locking groove 1342.

As shown in fig. 6, 7, 9 and 10, the driving member 140 further includes a positioning shaft 148, the positioning shaft 148 connects the support 112 and the first housing 134, and the first housing 134 can rotate around an axis of the positioning shaft 148.

The first seat 134 is provided with a first clamping groove 1342, and the second end of the driving shaft 144 is clamped in the first clamping groove 1342, that is, the connecting rod 142 and the first seat 134 are connected into a whole through the driving shaft 144, so as to realize that the connecting rod 142 drives the first seat 134 to reciprocate along the first direction.

The driving member 140 further includes a positioning shaft 148, the positioning shaft 148 connects the support 112 and the first housing 134, and the first housing 134 can rotate relative to the positioning shaft 148. The first end of the positioning shaft 146 is connected to the support 112, and the second end of the positioning shaft 146 is rotatably connected to the first housing 134, and the first housing 134 can rotate around the axis of the positioning shaft 148. That is, the first housing 134 and the stand 112 are coupled as one body by the positioning shaft 148.

It will be appreciated that the axis of the positioning shaft 148 is collinear with the axis of the positioning shaft 146, and that the positioning shaft 148 and the positioning shaft 146 cooperate to connect the link 142, the first housing 134 and the support 112 as a single unit. The positioning shaft 148 and the positioning shaft 146 cooperate to serve as a pivot point for the rotation of the first housing 134, and limit the rotation path of the first housing 134. The drive shaft 144, the positioning shaft 148 and the positioning shaft 146 cooperate to ensure the mating dimensions of the first housing 134 relative to the support 112.

Further, as shown in fig. 7, 9 and 10, head body 110 also includes a securing member 116 and a handle 118.

Handle 118 is connected between mount 116 and support 112, and a passageway 120 is defined between mount 116 and handle 118.

Wherein, the brush head main body 110 further comprises a fixing piece 116 and a brush holder 118, the brush holder 118 is located between the fixing piece 116 and the support 112, and the fixing piece 116 and the support 112 are connected with the brush holder 118, and the fixing piece 116 and the brush holder 118 cooperate to surround a channel 120 for accommodating the connecting rod 142.

It will be appreciated that a portion of the drive shaft 2122 of the motor 212 extends through the mount 116 and into the channel 120, and that portion of the drive shaft 2122 located within the channel 120 is removably coupled to the linkage 142.

Example 8:

as shown in fig. 1 to 19, on the basis of any one of embodiments 5 to 7, embodiment 8 provides a toothbrush head 100, the toothbrush head 100 including a head main body 110, a bristle bearing 130, and a driving member 140.

Further, as shown in fig. 6, 7, 9 and 10, the support 112 is provided with a relief hole 1132, and the driving member 140 includes a secondary shaft 150, and a first end of the secondary shaft 150 passes through the relief hole 1132 and is connected to the first seat 134.

The second seat 136 is provided with a matching portion 1362, the second end of the secondary shaft 150 is connected with the matching portion 1362, and the first seat 134 drives the second seat 136 to move through the secondary shaft 150.

In detail, the driving member 140 includes a secondary shaft 150, the secondary shaft 150 having a first end and a second end, the first end of the secondary shaft 150 passing through the escape hole 1132 and being connected to the first housing 134, and the second end of the secondary shaft 150 being connected to the engagement portion 1362 of the second housing 136. The first seat 134 moves back and forth along the first direction, so as to drive the secondary shaft 150 to move, and the secondary shaft 150 can drive the matching portion 1362 to move, so as to achieve the purpose of reciprocating rotation of the second seat 136 along the second direction. This setting has reduced the material input that is used for driving the rotation of second pedestal 136 when guaranteeing the reciprocal rotatory user demand of second pedestal 136 along the second direction, is favorable to reducing the manufacturing cost of product, and can reduce the occupation ratio of driving piece 140 to toothbrush head 100 inner space, is favorable to realizing the light and handiness of toothbrush head 100.

Further, as shown in fig. 20 and 21, the mating portion 1362 includes a first bump 1364 and a second bump 1366.

The second bumps 1366 are spaced apart on one side of the first bumps 1364.

The second end of the secondary shaft 150 extends between the first and second bosses 1364, 1366.

The spacing between the first and second protrusions 1364 and 1366 is greater than the axial diameter of the secondary axis 150.

Wherein the mating portion 1362 includes a first protrusion 1364 and a second protrusion 1366, the first protrusion 1364 and the second protrusion 1366 are spaced apart, and a second end of the secondary shaft 150 can extend between the first protrusion 1364 and the second protrusion 1366. Because the spacing between the first and second protrusions 1364 and 1366 is greater than the axial diameter of the secondary shaft 150, the arrangement provides effective and reliable structural support for the secondary shaft 150 to reciprocally rotate the second housing 136 in the second direction.

Specifically, the rotation angle of the second seat 136 may be set according to the actual requirement, where the rotation angle of the second seat 136 is related to the distance between the first bump 1364 and the second bump 1366, and also related to the rotation angle of the secondary shaft 150.

Example 9:

as shown in fig. 1 to 19, on the basis of any one of embodiments 5 to 8, embodiment 9 provides a toothbrush head 100, the toothbrush head 100 including a head main body 110, a bristle bearing 130, and a driving member 140.

Further, as shown in fig. 6, 7, 9, 10 and 22, the driving member 140 further includes a connecting member 152.

A first end of the connector 152 is connected to the support 112.

The second housing 136 is provided with a slide 1368, and a second end of the connecting member 152 extends into the slide 1368, and the second end of the connecting member 152 is slidably engaged with the slide 1368.

In detail, the driving member 140 includes a first end and a second end, the first end of the connecting member 152 is connected to the support 112, and the second end of the connecting member 152 is slidably engaged with the sliding way 1368 of the second seat 136. The connecting member 152 connects the support 112 and the second seat 136 as a unit, which can ensure the fit between the support 112 and the second seat 136, and can prevent the second seat 136 from being separated from the support 112 while ensuring that the second seat 136 can reciprocally rotate in the second direction.

Additionally, as the toothbrush head 100 moves, the slide 1368 moves relative to the link 152, and the slide 1368 cooperates with the second end of the link 152 to define the rotational path of the second housing 136.

Example 10:

as shown in fig. 26, 27, 29, 30, 31 and 34, an embodiment of a second aspect of the present invention proposes an electric toothbrush 200 comprising: a host 210, the host 210 including a motor 212; and the brush head 100 of any of the embodiments of the first aspect, the drive shaft 2122 of the motor 212 is coupled to the linkage 142 of the brush head 100.

The electric toothbrush 200 according to the present invention, which includes the toothbrush head 100 according to any one of the first aspect, has all the advantageous effects of the toothbrush head 100 described above, and is not described herein.

Further, as shown in fig. 31, 32 and 33, the host 210 further includes: the housing 214, the housing 214 including a connection tube 2142.

The motor 212 is disposed on the housing 214, and a first portion of the drive shaft 2122 extends out of the outer surface of the housing 214 through a connecting tube 2142 and is coupled to the connecting rod 142.

The length h1 of the connecting pipe 2142 is 18mm or more and 22mm or less; the distance h2 from the end of the first portion of the drive shaft 2122 to the start end of the connecting tube 2142 is 30mm or more and 45mm or less.

In detail, by properly arranging the mating structures of the housing 214 and the driving shaft 2122, the first portion of the driving shaft 2122 protrudes out of the outer surface of the housing 214 through the connection tube 2142 of the housing 214 and is connected to the link 142.

The length h1 of the connecting pipe 2142 is greater than or equal to 18mm and less than or equal to 22mm, and this arrangement can ensure the structural strength of the assembly of the toothbrush head 100 and the housing 214, so that the toothbrush head 100 can be firmly and firmly assembled on the host 210, and the shaking amount of the toothbrush head 100 can be reduced when the electric toothbrush 200 works.

Specifically, the length h1 of the connection tube 2142 includes 19mm, 20mm, 21mm, and the like, which are not exemplified herein.

The distance h2 from the end of the first portion of the drive shaft 2122 to the start end of the connecting tube 2142 is 30mm or more and 45mm or less. That is, the length of the first portion of the driving shaft 2122 is ensured, the coupling length of the driving shaft 2122 and the connecting rod 142 can be ensured, so that the toothbrush head 100 can be stably and securely assembled on the main machine 210, and the shaking amount of the toothbrush head 100 can be reduced when the electric toothbrush 200 is operated.

Specifically, the distance from the end of the first portion of the drive shaft 2122 to the beginning of the connecting tube 2142 includes: 32mm, 34mm, 36mm, 38mm, 40mm, 42mm, 44mm, etc., not specifically recited herein.

Example 11:

as shown in fig. 26, 27, 29, 30, 31 and 34, on the basis of embodiment 10, embodiment 11 provides an electric toothbrush 200 comprising: a host 210, the host 210 including a motor 212; and the brush head 100 of any of the embodiments of the first aspect, the drive shaft 2122 of the motor 212 is coupled to the linkage 142 of the brush head 100.

Further, as shown in fig. 31 and 32, the first portion of the drive shaft 2122 includes a first drive section 2124 and a second drive section 2126 in the direction of the drive shaft 2122 to the link 142.

A portion of the outer peripheral wall of the second drive section 2126 is a mounting plane 2130, the mounting plane 2130 being closer to the axis of the drive shaft 2122 than the outer peripheral wall of the first drive section 2124.

In detail, the first portion of the drive shaft 2122 includes a first drive section 2124 and a second drive section 2126, the second drive section 2126 being located between the first drive section 2124 and the mount 112.

A portion of the outer peripheral wall of the second driving section 2126 is a mounting flat surface 2130, the mounting flat surface 2130 is closer to the axis of the driving shaft 2122 than the outer peripheral wall of the first driving section 2124, a mounting clamping groove is formed between the mounting flat surface 2130 and the first driving section 2124, and the connecting rod 142 is provided with a first protruding portion which is inserted into the mounting clamping groove. When the motor 212 is in operation, the mounting flat 2130 cooperates with the first drive section 2124 to effectively position the toothbrush head 100 to avoid a rotational failure of the toothbrush head 100 due to slippage of the toothbrush head 100.

Further, as shown in fig. 32, the end of the first portion of the drive shaft 2122 is formed with a chamfer 2127.

Wherein the end of the first portion of the drive shaft 2122 is formed with a chamfer 2127, the chamfer 2127 having a guiding function for facilitating insertion into the toothbrush head 100.

Further, as shown in fig. 31 and 32, the outer peripheral wall of the second driving section 2126 is provided with a second clamping groove 2128.

Wherein, the outer peripheral wall of the second driving section 2126 is provided with a second clamping groove 2128, the connecting rod 142 is provided with a second convex part, and the second convex part is clamped in the second clamping groove 2128, which is beneficial to effectively positioning the toothbrush head 100 and avoiding the occurrence of the condition that the toothbrush head 100 fails in rotation due to the slipping of the toothbrush head 100.

Further, the motor 212 is an acoustic wave motor 212; the rotation angle of the drive shaft 2122 is greater than 0 ° and equal to or less than 90 °. For example, the rotation angle of the drive shaft 2122 includes 10 °, 20 °, 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, and the like, which are not illustrated herein.

Specifically, the depth d1 of the second clamping groove 2128 and the distance d2 of the notch of the second clamping groove 2128 from the mounting plane 2130 satisfy: d1 is less than or equal to 0.5Xd2.

Specifically, the angle of the chamfer 2127 is 30 ° or more and 60 ° or less. For example, angles of chamfer 2127 include 35 °, 40 °, 45 °, 50 °, 55 °, and the like, which are not illustrated herein.

Specifically, as shown in fig. 33, the second clamping groove 2128 has a V-shape, and an included angle a1 of the V-shaped clamping groove is 60 ° or more and 90 ° or less. For example, the included angle a1 of the V-shaped slot includes: 65 °, 70 °, 75 °, 80 °, 85 °, etc., are not explicitly recited herein.

Specifically, as shown in fig. 33, the mounting plane 2130 forms an angle a2 with the end of the first driving segment 2124 of 100 ° or more and 150 ° or less. For example, the angle a2 of the mounting plane 2130 with respect to the end of the first drive segment 2124 includes: 100 °, 110 °, 120 °, 130 °, 140 °, etc., are not explicitly recited herein.

Example 12:

the gum cover 216, the supporting member 218 and the front connecting sleeve 220 are assembled to the motor 212 in sequence. The switch 230 and the connection pad 240 are assembled to the motor 212 in sequence.

The electronic control board 260 and the battery 270 are assembled on the bracket 250, respectively.

The motor 212 is assembled to the bracket 250, and the electric control board 260 is welded to the switch 230 and the battery 270 in sequence, respectively, and finally is installed in the housing 214.

The brush head 100 is assembled to the main body 210. The motor 212 drives the first base 134 to reciprocate and drives the second base 136 to rotate.

The first housing 134 is assembled to the support 112, and the secondary shaft 150 is inserted through the support 112 and connected to the first housing 134, and the positioning shaft 148 is inserted into the first housing 134 through the support 112.

The elastic member 160 is fitted into the fitting shaft 1128, and then the second housing 136 is fitted into the locking portion 1130 of the support 112, and the connecting member 152 is inserted into the support 112 to fix the second housing 136 to the support 112.

The drive shaft 144 and the positioning shaft 146 are assembled in sequence on the link 142, with the assembly being incorporated into the handle 118.

The securing member 116 fits onto the handle 118.

The drive shaft 2122 of the motor 212 is provided with a mounting plane 2130, and the drive shaft 2122 is inserted into the channel 120 of the toothbrush body and connected to the link 142. The drive shaft 2122 drives the link 142 to reciprocally rotate in the third direction. The link 142 can drive the first seat 134 to swing left and right and simultaneously drive the second seat 136 to rotate. The swing angle of the first housing 134 coincides with the output angle of the drive shaft 2122 of the sonic motor 212.

The rotation angle of the second seat 136 can be arbitrarily adjusted, and the rotation angle of the second seat 136 is greater than 0 ° and less than or equal to 90 °.

When the link 142 is rotated in a swinging manner about the axis of the driving shaft 2122, the first housing 134 swings left and right with a larger swing amplitude than the first bristles 114 on the carrier 112. The amplitude of the oscillation of the first bristles 114 on the support 112 corresponds to the sonic motor 212. The second base 136 can drive the second bristles 132 to perform a reciprocating rotation at a certain angle.

The driving shaft 2122 of the motor 212 is inserted into the toothbrush head 100 to drive the connecting rod 142 to rotate, and the driving shaft 144 arranged on the connecting rod 142 swings left and right to drive the first seat 134 to swing left and right. The secondary shaft 150 provided on the first seat 134 swings left and right at the same time, and further drives the second seat 136 to rotate left and right in a reciprocating manner.

In the present invention, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A toothbrush head, comprising:

the brush head comprises a brush head main body and a brush head cover, wherein the brush head main body comprises a support and first bristles, the first bristles are arranged on the support, and the support is provided with avoidance holes;

the bristle planting seat is movably connected with the support, and the bristle planting seat Mao Bao comprises second bristles;

the driving piece is arranged on the brush head main body and is used for driving the bristle planting seat to move relative to the support;

the planting Mao Bao includes:

the first seat body is provided with the second bristles;

the driving piece is used for driving the first seat body to reciprocate along a first direction;

the hair planting seat still includes:

the second brush hair is also arranged on the second seat body;

the driving piece is further used for driving the second seat body to reciprocally rotate along a second direction, and the first direction is different from the second direction;

The brush head main body is provided with a channel, and the driving piece is arranged in the channel;

the driving member includes:

the connecting rod is rotationally connected with the channel;

the first end of the driving shaft is connected with the connecting rod, the second end of the driving shaft extends out of the channel and is connected with the first seat body, and the connecting rod drives the first seat body to move through the driving shaft;

the first end of the secondary moving shaft passes through the avoidance hole and is connected with the first seat body;

the second seat body is provided with a matching part, the second end of the secondary moving shaft is connected with the matching part, and the first seat body drives the second seat body to move through the secondary moving shaft;

the driving shaft arranged on the connecting rod swings left and right to drive the first seat body to swing left and right in a reciprocating manner, and the secondary shaft arranged on the first seat body swings left and right at the same time to drive the second seat body to rotate left and right in a reciprocating manner;

the swing amplitude of the left-right swing of the first seat body is larger than that of the first brush hair on the support.

2. The toothbrush head of claim 1, wherein a first side of the support is provided with a relief void, a second side of the support is provided with a relief opening, and the first bristles are disposed on the second side of the support;

At least a portion of the first seat is positioned within the avoidance void and the first seat is movable relative to the avoidance void;

the second bristles extend out of the outer surface of the support through the avoidance openings.

3. The toothbrush head of claim 1, wherein the first bristles comprise a plurality of rows of first bristles;

the second bristles comprise a plurality of rows of second bristles, and a row of second bristles are clamped between any two adjacent rows of first bristles.

4. A toothbrush head according to any one of claims 1 to 3 characterised in that the second side of the support is also provided with a countersink and a mating shaft, the mating shaft being provided in the countersink;

at least a part of the second seat body is positioned in the sinking groove, and the second seat body is rotationally connected with the matching shaft.

5. The toothbrush head of claim 4, wherein the second side of the support is further provided with a detent for limiting the second seat in a height direction of the support;

the toothbrush head further comprises an elastic piece, and the elastic piece is connected between the second seat body and the matching shaft.

6. The toothbrush head of claim 4, wherein the channel wall of the sink channel comprises a first arcuate wall, the peripheral wall of the second housing comprises a second arcuate wall disposed in correspondence with the first arcuate wall, and the second arcuate wall is adapted to the shape of the first arcuate wall.

7. A toothbrush head according to any one of claims 1 to 3 wherein the drive member further comprises: the first end of the positioning shaft is connected with the connecting rod, the second end of the positioning shaft extends out of the channel and is rotationally connected with the first seat body, and the first seat body can rotate around the axis of the positioning shaft.

8. The toothbrush head of claim 7, wherein the toothbrush head comprises a handle,

the first seat body is provided with a first clamping groove, and the second end of the driving shaft is clamped in the first clamping groove;

the driving piece further comprises a positioning rotating shaft, the positioning rotating shaft is connected with the support and the first seat body, and the first seat body can rotate around the axis of the positioning rotating shaft.

9. The toothbrush head of claim 7, wherein the head body further comprises:

a fixing member;

the brush handle is connected between the fixing piece and the support, and the channel is surrounded between the fixing piece and the brush handle.

10. The toothbrush head of claim 1, wherein the mating portion comprises:

a first bump;

a second bump arranged at one side of the first bump at intervals, wherein the second end of the secondary shaft stretches into the space between the first bump and the second bump;

The distance between the first lug and the second lug is larger than the axial diameter of the secondary shaft.

11. The toothbrush head of claim 1, wherein the drive member comprises:

the first end of the connecting piece is connected with the support;

the second seat body is provided with a slide way, the second end of the connecting piece stretches into the slide way, and the second end of the connecting piece is in sliding fit with the slide way.

12. An electric toothbrush, comprising:

the host comprises a motor; a kind of electronic device with high-pressure air-conditioning system

A toothbrush head according to any one of claims 1 to 11 wherein the drive shaft of the motor is connected to a connecting rod of the toothbrush head.

13. The powered toothbrush as defined in claim 12, wherein the host machine further comprises:

a housing including a connection tube;

the motor is arranged on the shell, and a first part of the driving shaft extends out of the outer surface of the shell through the connecting pipe and is connected with the connecting rod;

the length of the connecting pipe is more than or equal to 18mm and less than or equal to 22mm;

the distance from the end of the first part of the driving shaft to the starting end of the connecting pipe is more than or equal to 30mm and less than or equal to 45mm.

14. The electric toothbrush according to claim 13, wherein,

a first portion of the drive shaft includes a first drive section and a second drive section along a direction of the drive shaft to the connecting rod;

a portion of the outer peripheral wall of the second drive section is a mounting plane that is closer to the axis of the drive shaft than the outer peripheral wall of the first drive section.

15. The electric toothbrush according to claim 14, wherein,

the end of the first part of the driving shaft is provided with a chamfer;

the outer peripheral wall of the second driving section is provided with a second clamping groove.

16. The electric toothbrush according to any one of claims 12 to 15, characterized in that,

the motor is an acoustic wave motor;

the rotation angle of the driving shaft is more than 0 degrees and less than or equal to 90 degrees.