CN210644225U

CN210644225U - Electric toothbrush head

Info

Publication number: CN210644225U
Application number: CN201921096057.0U
Authority: CN
Inventors: 郭志焱; 李军; 兰德福
Original assignee: Zhejiang Baolong Mechanical And Electrical Co Ltd
Current assignee: Zhejiang Baolong Mechanical And Electrical Co Ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-06-02
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses an electric toothbrush brush head, including brush holder and brush dish, brush holder cavity sets up and is formed with the holding chamber, brush holder one end is provided with rotates the groove, and the other end is for being provided with the transmission slot, it switches on the setting through the holding chamber with the transmission slot to rotate the groove, the brush dish rotates and sets up on rotating the groove, it is provided with the drive seat to rotate in the holding chamber, be provided with on the drive seat and be used for being connected the formation with motor drive in the reciprocal pivoted transfer line in the holding chamber, it is provided with the switching-over piece still to rotate in the holding chamber, be provided with the traction area in the storage tank, traction area one end and brush dish periphery wall fixed connection, the other end form the drive seat through the switching-over piece backward and drive seat periphery wall fixed connection and to brush dish. The brush head is simple and reasonable in structure, the brush head upper brush disc is effectively driven, meanwhile, the overall structure is convenient to assemble, and noise is low during use.

Description

Electric toothbrush head

Technical Field

The utility model belongs to the technical field of daily necessities technique and specifically relates to a brush head structure among electric toothbrush.

Background

At present, in daily life, an electric toothbrush has been widely used, a brush head structure of the electric toothbrush at present basically comprises a brush handle, a brush disc connected to the brush handle, and a transmission rod for transmission connection with a driving device, wherein the brush disc structure usually has a brush disc seat with a cavity, a rotating disc arranged on the brush disc seat, and a plurality of bristles fixedly arranged on the rotating disc, the driving device usually adopts a small motor, the rotation of the rotating disc is driven through the transmission rod and a transmission assembly, so as to drive the bristles to rotate, thereby cleaning the oral cavity is realized, wherein the rotating disc is mostly circular, and the plurality of bristles are uniformly distributed along the circumferential direction of the rotating disc. But the transmission structure of present common electronic toothbrush head is comparatively complicated, and the assembly is more difficult, leads to production efficiency to be lower, is difficult to guarantee the inseparable cooperation between transmission shaft and the brush head moreover to the noise is great.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an electric toothbrush brush head, its simple structure is reasonable, effectively drives brushing the dish on brushing the head, overall structure convenient assembling simultaneously, and the noise is less during the use.

The utility model provides an electric toothbrush brush head, including brush holder and brush dish, brush holder cavity sets up and is formed with the holding chamber, brush holder one end is provided with rotates the groove, and the other end is for being provided with the transmission slot, it switches on the setting through the holding chamber with the transmission slot to rotate the groove, the brush dish rotates and sets up on rotating the groove, it is provided with the drive seat to rotate in the holding chamber, be provided with on the drive seat and be used for being connected the formation with motor drive in the reciprocal pivoted transfer line in the holding chamber, it is provided with the switching-over piece still to rotate in the holding chamber, be provided with the traction band in the storage tank, traction band one end and brush dish periphery wall fixed connection, the other end form the drive seat through the switching-over piece backward and drive seat periphery wall fixed connection to brush dish.

The beneficial effect who so sets up is: the brush disc is arranged in the rotating groove, bristles of the brush disc are arranged towards the width direction of the accommodating cavity, so that the brush disc is in a transverse state, the traction belt extending into the accommodating cavity extends towards the length direction of the accommodating groove, the traction belt passes through the steering piece and then faces the width direction of the accommodating cavity, the width direction and the length direction of the traction belt are deflected within a certain range in the direction, the left deflection and the right deflection of the traction belt in the direction are both included in the direction of the length direction or the width direction, and finally the traction belt is connected with the side wall of the driving seat, the fixed connection position of the preferred traction belt and the brush disc is positioned at the top end of the brush disc, the fixed position of the preferred traction belt and the rotating seat is also positioned at one end of the rotating seat far away from the steering piece, so that the angle of the driving seat is preferably set to be +/-30-45 degrees when the driving seat is driven by the motor to deflect in a reciprocating mode, avoid too big angle's deflection, also accord with the mode of current motor output shaft output, thereby can the tractive pull the area and drive the brush dish and rotate, this kind of simple structure does benefit to the realization, eliminates wearing and tearing between the mechanical transmission structure in the past to the noise size has been reduced, and this structure of drive belt replacement is simple, the change of being convenient for, it is more convenient to install simultaneously, improves production machining efficiency.

The utility model discloses further set up to be provided with the transmission groove along circumference on the brush dish lateral wall, the drive seat lateral wall is provided with the constant head tank along circumference, the switching-over piece includes reversing shaft and two and rotates the switching-over wheels that set up on the reversing shaft, the reversing shaft is fixed to be set up in the holding chamber along holding chamber width direction, the traction belt is the annular setting, on the transmission groove was established to the cover that tightens to traction belt one end, the other end was established on the constant head tank along holding chamber length direction extension and through the switching-over wheel is by turn-over for backward tightening the cover and is established.

The beneficial effect who so sets up is: adopt above-mentioned scheme, set the traction belt to this kind of form of this kind of annular, the structure is more stable for traction belt intensity is higher, increase of service life, and the cover that tightens simultaneously is established on transmission groove and constant head tank, along with the reciprocal rotation of drive seat, realizes the reciprocal tractive to the carousel, and this kind of simple structure more answers for the simplification, and the processing location is also very convenient, improves production machining efficiency, and the cost is lower simultaneously.

The utility model discloses further set up as the contained angle that brush dish center pin and drive seat center pin become is 70~ 120.

The beneficial effect who so sets up is: by adopting the scheme, the transmission after reversing is smoother, the structure is more stable, and the using effect of the whole structure is improved.

The utility model discloses further set up to the constant head tank is buckled and is set up.

The beneficial effect who sets up like this is, adopts above-mentioned scheme, buckles the setting with the constant head tank for the constant head tank is bigger with the area of contact who pulls the area, thereby makes the drive seat rotate the motion that drives and pull the area better, further improves overall structure's result of use.

The utility model discloses further set up to the one end that is close to the rotation groove in the holding chamber is provided with the fixed slot, be formed with the dwang on the drive seat, the dwang rotates to insert and establishes the location that forms the drive seat in the fixed slot.

The beneficial effect who sets up like this is, adopts above-mentioned scheme, sets up like this and is convenient for fix a position the installation to the drive seat for it is more convenient to install, and the location is convenient simultaneously, improves assembly efficiency.

The utility model discloses further set up as the one end that is close to the rotation groove in the holding chamber is provided with the gag lever post, be provided with the spacing groove on the brush dish lateral wall, the gag lever post is inserted and is established and form spacing to brushing first turned angle in the spacing groove.

The beneficial effect who sets up like this is, adopts above-mentioned scheme, sets up simple structure like this, avoids the brush dish to excessively rotate, guarantees the stability of structure.

The utility model discloses further set up to be provided with the position sleeve on the transmission slot, be provided with guide way and guide block between position sleeve and the transmission slot, the guide way forms the shielding of position sleeve to the storage tank with the guide block joint, set up the perforation that supplies the transfer line to wear out on the position sleeve.

The beneficial effect who sets up like this is, adopts above-mentioned scheme, can be better support the drive seat, guarantees the stable in position of drive seat, shields the holding chamber simultaneously, reduces the possibility that external filth got into, and this kind of structural connection is simple simultaneously, does benefit to the realization, improves the result of use of product.

The utility model discloses further set up to the one end that the drive seat is close to the transmission slot is provided with the fixed orifices, the transfer line is inserted and is established in the fixed orifices, the wedge recess has been seted up on the transfer line lateral wall, the fixed orifices inner wall is provided with the wedge, the wedge forms the fixed of transfer line in the fixed orifices with wedge recess joint.

The beneficial effect who sets up like this is, adopts above-mentioned scheme, guarantees being connected of transfer line and drive seat, and dismouting replacement is convenient simultaneously, and is fixed effectual, improves the stability of whole brush head use to and result of use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic view of the transmission connection between the driving seat and the brush plate according to the embodiment of the present invention.

Detailed Description

As can be seen from figures 1, 2 and 3, an electric toothbrush head is disclosed, comprising a handle 1 and a brush plate 2, the brush handle 1 is hollow and is provided with a containing cavity 11, one end of the brush handle 1 is provided with a rotating groove, the other end is provided with a transmission slot, the rotating groove is communicated with the transmission slot through the accommodating cavity 11, the brush disc 2 is rotatably arranged on the rotating groove, the accommodating cavity 11 is rotatably provided with a driving seat 3, the driving seat 3 is provided with a driving rod 31 which is in transmission connection with a motor to form reciprocating rotation in the accommodating cavity 11, a reversing piece is also rotatably arranged in the accommodating cavity 11, a traction belt 4 is arranged in the accommodating cavity 11, one end of the traction belt 4 is fixedly connected with the peripheral wall of the brush disc 2, and the other end of the traction belt is changed by the reversing piece and then fixedly connected with the peripheral wall of the driving seat 3 to form transmission of the driving seat 3 for the rotation of the brush disc 2. The beneficial effect who so sets up is: the brush disc 2 is arranged in the rotating groove, the brush bristles of the brush disc 2 are arranged towards the width direction of the accommodating cavity 11, so that the brush disc 2 is in a transverse state, the traction belt 4 extending into the accommodating cavity 11 firstly extends towards the length direction of the accommodating cavity, passes through the steering piece and then is changed into the width direction of the accommodating cavity 11, and finally is connected with the side wall of the driving seat 3, the fixed connection position of the traction belt 4 and the brush disc 2 is preferably positioned at the top end of the brush disc 2, the fixed position of the rotation seat 3 is also positioned at one end of the rotation seat 3 far away from the steering piece, so that when the driving seat 3 is driven by the motor to deflect in a reciprocating manner, the deflection angle of the driving seat is preferably set to +/-35 degrees, the deflection of an overlarge angle is avoided, the output mode of an output shaft of the existing motor is also met, the traction belt 4 can be pulled to drive the brush disc 2 to rotate, the structure is simple, the realization is facilitated, the abrasion between the traditional mechanical transmission structures is eliminated, the noise is reduced, the structure of the transmission belt is simple to replace and convenient to replace, the installation is more convenient and fast, and the production and processing efficiency is improved.

Be provided with transmission groove 21 along circumference on the 2 lateral walls of above-mentioned brush dish, 3 lateral walls of drive seat are provided with constant head tank 35 along circumference, the switching-over piece includes reversing shaft 5 and two change-over pulleys 51 of rotation setting on reversing shaft 5, reversing shaft 5 is along the fixed setting in holding chamber 11 of 11 width direction in holding chamber, traction belt 4 is the annular setting, on 4 one end of traction belt tightened the cover and established transmission groove 21, the other end tightened the cover and set up on constant head tank 35 along 11 length direction extensions in holding chamber and through the reversing pulley 51 switching-over back. The beneficial effect who so sets up is: adopt above-mentioned scheme, set this kind of form of annular with traction belt 4, the structure is more stable for traction belt 4 intensity is higher, increase of service life, the cover that tightens simultaneously is established on transmission slot 21 and constant head tank 35, along with the reciprocating rotation of drive seat 3, realizes the reciprocal tractive to the carousel, this kind of simple structure, more answers for the simplicity, and the processing location is also very convenient, improves production machining efficiency, and the cost is lower simultaneously.

The included angle formed by the central shaft of the brush disc 2 and the central shaft of the driving seat 3 is 90 degrees, namely, the brush disc is arranged along the width direction of the accommodating cavity 11 in the positive direction, and the driving seat 3 is arranged along the length direction of the accommodating cavity 11 in the positive direction. The beneficial effect who so sets up is: by adopting the scheme, the transmission after reversing is smoother, the structure is more stable, and the using effect of the whole structure is improved. The brush disc 2 can contact with teeth in the oral cavity in a larger area, and the cleaning effect is improved.

The positioning groove 35 is bent. The beneficial effect who sets up like this is, adopts above-mentioned scheme, buckles locating slot 35 and sets up for the area of contact of locating slot 35 and traction belt 4 is bigger, thereby makes the motion that drives 3 rotations of drive seat and drive traction belt 4 better, further improves overall structure's result of use.

A fixing groove is formed in one end, close to the rotating groove, of the accommodating cavity 11, a rotating rod 32 is formed on the driving seat 3, and the rotating rod 32 is rotatably inserted into the fixing groove to position the driving seat 3. The beneficial effect who sets up like this is, adopts above-mentioned scheme, sets up like this and is convenient for fix a position the installation to drive seat 3 for it is more convenient to install, and the location is convenient simultaneously, improves assembly efficiency.

A limiting rod 12 is arranged at one end, close to the rotating groove, of the accommodating cavity 11, a limiting groove 22 is formed in the side wall of the brush disc 2, and the limiting rod 12 is inserted in the limiting groove 22 to limit the rotating angle of the brush disc 2. The beneficial effect who sets up like this is, adopts above-mentioned scheme, sets up simple structure like this, avoids brush dish 2 excessive rotation, guarantees the stability of structure.

The transmission slot is provided with a positioning sleeve 6, a guide groove and a guide block are arranged between the positioning sleeve 6 and the transmission slot, the guide groove and the guide block are clamped to form a shielding of the positioning sleeve 6 on the accommodating groove, and the positioning sleeve 6 is provided with a through hole for the transmission rod 31 to penetrate through. The beneficial effect who sets up like this is, adopts above-mentioned scheme, can be better support drive seat 3, guarantees drive seat 3's stable in position, shields holding chamber 11 simultaneously, reduces the possibility that external filth got into, and this kind of structural connection is simple simultaneously, does benefit to the realization, improves the result of use of product.

The fixing hole is formed in one end, close to the transmission slot, of the driving seat 3, the transmission rod 31 is inserted into the fixing hole, the wedge-shaped groove 34 is formed in the side wall of the transmission rod 31, the wedge-shaped block 33 is arranged on the inner wall of the fixing hole, and the wedge-shaped block 33 is connected with the wedge-shaped groove 34 in a clamped mode to form fixing of the transmission rod 31 in the fixing hole. The beneficial effect who sets up like this is, adopts above-mentioned scheme, guarantees being connected of transfer line 31 and drive seat 3, and dismouting replacement is convenient simultaneously, and is fixed effectual, improves the stability of whole brush head use to and result of use.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that the equivalent changes made in the claims of the present invention, such as equivalent products with similar processes and similar structures, are also included in the scope of the present invention.

Claims

1. The utility model provides an electric toothbrush brush head, includes brush holder and brush dish, brush holder cavity sets up and is formed with the holding chamber, brush holder one end is provided with rotates the groove, and the other end is for being provided with the transmission slot, it switches on the setting through the holding chamber with the transmission slot to rotate the groove, the brush dish rotates and sets up on rotating the groove its characterized in that: the holding chamber rotates and is provided with the drive seat, be provided with on the drive seat and be used for being connected the formation with motor drive in the holding chamber reciprocating rotation's transfer line, it is provided with the switching-over piece still to rotate in the holding chamber, be provided with in the storage tank and pull the area, pull area one end and brush dish periphery wall fixed connection, the other end forms the drive seat to brush dish pivoted transmission with drive seat periphery wall fixed connection after the switching-over piece commutates.

2. The powered toothbrush head of claim 1, wherein: the brush dish lateral wall is last to be provided with the transmission groove along circumference, the drive seat lateral wall is provided with the constant head tank along circumference, the switching-over piece includes reversing shaft and two and rotates the switching-over wheels that set up on the reversing shaft, the reversing shaft is fixed to be set up in the holding chamber along holding chamber width direction, the traction belt is the annular setting, on the transmission groove was established to the cover that tightens tightly of traction belt one end, the other end was followed holding chamber length direction and is extended and set up on the constant head tank through the switching-over wheel is tightened the cover backward.

3. The powered toothbrush head of claim 2, wherein: the included angle formed by the central shaft of the brush disc and the central shaft of the driving seat is 70-120 degrees.

4. The powered toothbrush head of claim 2, wherein: the positioning groove is bent.

5. An electric toothbrush head according to claim 1 or 2 or 3, characterised in that: the one end that is close to the rotation groove in the holding chamber is provided with the fixed slot, be formed with the dwang on the drive seat, the dwang rotates to insert and establishes the location that forms the drive seat in the fixed slot.

6. An electric toothbrush head according to claim 1 or 2 or 3, characterised in that: a limiting rod is arranged at one end, close to the rotating groove, of the accommodating cavity, a limiting groove is formed in the side wall of the brush disc, and the limiting rod is inserted in the limiting groove to limit the rotating angle of the brush head.

7. An electric toothbrush head according to claim 1 or 2 or 3, characterised in that: the transmission slot is provided with a positioning sleeve, a guide groove and a guide block are arranged between the positioning sleeve and the transmission slot, the guide groove and the guide block are clamped to form a shielding of the positioning sleeve on the accommodating groove, and the positioning sleeve is provided with a through hole for the transmission rod to penetrate out.

8. The powered toothbrush head of claim 6, wherein: the one end that the drive seat is close to the transmission slot is provided with the fixed orifices, the transfer line is inserted and is established in the fixed orifices, set up the wedge recess on the transfer line lateral wall, the fixed orifices inner wall is provided with the wedge, the wedge forms the fixed of transfer line in the fixed orifices with the wedge recess joint.