CN214511388U

CN214511388U - Electric toothbrush

Info

Publication number: CN214511388U
Application number: CN202120231253.5U
Authority: CN
Inventors: 韩逸
Original assignee: Guangdong Han Yichen Intelligent Technology Co ltd
Current assignee: Guangdong Han Yichen Intelligent Technology Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-10-29
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses an electric toothbrush, it includes: the toothbrush comprises a vibrating motor, a transmission sleeve sleeved on the vibrating motor and connected with an output shaft, a positioning shell covering the transmission sleeve and installed in a toothbrush shell, and a sealing seat sleeved on the output shaft and installed at the end part of the positioning shell, wherein one end of the transmission sleeve is clamped and positioned with one end of the sealing seat, and the sealing seat is clamped and positioned with the end part of the positioning shell. The utility model discloses in adopt transmission muffjoint vibrating motor and output shaft, live transmission sleeve location through location shell and seal receptacle cooperation, make it unable rotatory, and then ensure that U type toothbrush head can only drive by vibrating motor and produce the vibration after installing on the output shaft, and can not relative vibrating motor produces rotatoryly to U type brush head is because of rotatory toothpaste splash when avoiding brushing teeth.

Description

Electric toothbrush

The technical field is as follows:

the utility model relates to the field of electric toothbrushes, in particular to an electric toothbrush.

Background art:

electric toothbrush on the market generally adopts ultrasonic vibration clean as leading now, because and current toothbrush head produces the moment of torsion easily when using and makes the toothbrush head rotatory, toothpaste splashes when leading to using, in the same direction as bad electronic component even, influences the user and uses experience.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

the utility model aims to overcome the defects of the prior art and provide an electric toothbrush.

In order to solve the technical problem, the utility model discloses a following technical scheme: the electric toothbrush includes: the toothbrush comprises a vibrating motor, a transmission sleeve sleeved on the vibrating motor and connected with an output shaft, a positioning shell covering the transmission sleeve and installed in a toothbrush shell, and a sealing seat sleeved on the output shaft and installed at the end part of the positioning shell, wherein one end of the transmission sleeve is clamped and positioned with one end of the sealing seat, and the sealing seat is clamped and positioned with the end part of the positioning shell.

Furthermore, among the above-mentioned technical scheme, the shaping of location shell one end has and is used for installing the square hole site of seal receptacle, the shaping of seal receptacle one end have with square hole site matching's square portion, the interior shaping of square portion have with the square draw-in groove of transmission sleeve matching block, transmission sleeve one end shaping have with the square block of square draw-in groove matching block.

Furthermore, in the above technical scheme, a positioning convex part for fixing the toothbrush shell is formed at the other end of the positioning shell, and an installation hole for matching and clamping the positioning convex part is formed at one end in the toothbrush shell.

Furthermore, among the above-mentioned technical scheme, the location shell wholly is the cubic chucking in toothbrush shell inner wall, toothbrush shell inner wall other end shaping has and is used for the chucking location the square mounting groove of location shell, the mounting hole inner wall cross-section is the polygon.

Furthermore, in the above technical solution, a waterproof clamping joint clamped with the toothbrush shell is formed at the other end of the sealing seat.

Furthermore, in the above technical scheme, the transmission sleeve and the seal seat are both made of elastic soft rubber.

Furthermore, in the above technical solution, a battery and a control circuit board are respectively disposed at two sides of the positioning housing, and a first slot position and a second slot position for mounting the battery and the control circuit board are respectively disposed on an inner wall of the toothbrush housing; and the control circuit board is provided with a starting switch.

Further, in the above technical solution, a button corresponding to the start switch is disposed on an outer wall of the toothbrush housing.

Further, in the above technical solution, the vibration motor includes a motor and an eccentric weight.

Furthermore, in the above technical scheme, the output shaft is provided with a straight-bar toothbrush head or a U-shaped toothbrush head.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:

1. the utility model discloses in adopt transmission muffjoint vibrating motor and output shaft, live transmission sleeve location through location shell and seal receptacle cooperation, make it unable rotatory, and then ensure that the toothbrush head can only drive by vibrating motor and produce the vibration after installing on the output shaft, and can not the relative vibrating motor produces rotatoryly to toothbrush head results in toothpaste to splash because of the rotation when avoiding brushing teeth, and can prevent to damage electronic component.

2. In the utility model, one end of the sealing seat is arranged into a square part and is positioned in the square hole position of the positioning shell, and the sealing seat can be limited to rotate relative to the positioning shell through the clamping fit of the square hole position and the square part; and with the telescopic one end setting of transmission be square piece and install the square draw-in groove in the square portion, can inject the relative seal receptacle rotation of transmission sleeve through square piece and square draw-in groove chucking cooperation, and then make the unable relative location shell rotation of transmission sleeve.

Description of the drawings:

fig. 1 is a first schematic structural diagram of the present invention;

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

fig. 3 is an exploded view of the present invention;

FIG. 4 is a second schematic structural view of the present invention;

fig. 5 is a third schematic structural diagram of the present invention;

fig. 6 is a perspective view of the middle sealing seat of the present invention;

fig. 7 is a first usage state reference diagram of the present invention;

fig. 8 is a second use state reference diagram of the present invention.

Description of reference numerals:

1 vibrating motor 2 output shaft 3 transmission sleeve

31 square block 4 toothbrush shell 41 mounting hole

42 square mounting groove 43 first slot stop 44 second slot stop

45 square hole of button 5 positioning shell 51

52 positioning convex part 6 sealing seat 61 square part

611 square clamping groove 62 waterproof clamping joint 7 battery

8 control circuit board 9 starting switch

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1 to 8, there is shown an electric toothbrush comprising: the toothbrush comprises a vibrating motor 1, a transmission sleeve 3 sleeved on the vibrating motor 1 and connected with an output shaft 2, a positioning shell 5 covering the transmission sleeve 3 and installed in a toothbrush shell 4, and a sealing seat 6 sleeved on the output shaft 2 and installed at the end part of the positioning shell 5, wherein one end of the transmission sleeve 3 is clamped and positioned with one end of the sealing seat 6, and the sealing seat 6 is clamped and positioned with the end part of the positioning shell 5. Adopt transmission sleeve 3 to connect vibrating motor 1 and output shaft 2, live transmission sleeve 3 location through location shell 5 and the cooperation of seal receptacle 6, make it unable rotatory, and then ensure that the toothbrush head can only be driven by vibrating motor 1 and produce the vibration after installing on output shaft 2, and can not produce rotatoryly relative vibrating motor 1 to the toothbrush head leads to toothpaste to splash because of the rotation when avoiding brushing teeth, and can prevent to damage electronic component. Secondly, connect vibrating motor 1 and output shaft 2 through transmission sleeve 3 and can make the vibration dynamics from top to bottom even, it is soft powerful to do the toothbrush result of use to fix seal receptacle 6 between transmission sleeve 3 and location shell 5, prevent that waterproof circle is not hard up to lead to intaking.

The utility model discloses a sealed structure of transmission sleeve 3, including location shell 5 one end shaping, the shaping of location shell 5 one end has the square hole site 51 that is used for installing seal receptacle 6, the shaping of seal receptacle 6 one end has with square portion 61 that the square hole site 51 matches, the interior shaping of square portion 61 have with square draw-in groove 611 that the transmission sleeve 3 matches the block, the shaping of transmission sleeve 3 one end has with square draw-in groove 611 matches the square piece 31 of block. One end of the sealing seat 6 is arranged into a square part 61 and is arranged in a square hole 51 of the positioning shell 5, and the sealing seat 6 can be limited to rotate relative to the positioning shell 5 through the clamping fit of the square hole 51 and the square part 61; and the one end setting with transmission sleeve 3 is square piece 31 and installs the square draw-in groove 611 in square portion 61, can inject transmission sleeve 3 rotatory relative seal receptacle 6 through square piece 41 and square draw-in groove 611 chucking cooperation, and then makes transmission sleeve 3 can't fix a position the shell 5 rotatory relatively to guarantee that vibrating motor 1 and output shaft 2 can't rotate.

And a positioning convex part 52 used for being fixedly installed with the toothbrush shell 4 is formed at the other end of the positioning shell 5, and an installation hole 41 matched and clamped with the positioning convex part 52 is formed at one end in the toothbrush shell 4.

The whole square-shaped chucking that is of location shell 5 in toothbrush shell 4 inner wall, the shaping of toothbrush shell 4 inner wall other end has and is used for the chucking location the square mounting groove 42 of location shell 5, 41 inner wall cross-sections of mounting hole are the polygon. The positioning shell 5 comprises a left shell and a right shell which are detachably clamped together. The positioning shell 5 is arranged in a square shape, so that the positioning shell 5 cannot rotate relative to the toothbrush shell 4, and further the transmission sleeve 3 is limited to rotate relative to the toothbrush shell 4, and the vibration motor 1 and the output shaft 2 cannot rotate.

And a waterproof clamping head 62 tightly clamped with the toothbrush shell 4 is formed at the other end of the sealing seat 6.

The transmission sleeve 3 and the sealing seat 6 are both made of elastic soft rubber materials.

A battery 7 and a control circuit board 8 are respectively arranged on two sides of the positioning shell 5, and a first clamping groove position 43 and a second clamping groove position 44 which are respectively used for mounting the battery 7 and the control circuit board 8 are arranged on the inner wall of the toothbrush shell 4; the control circuit board 8 is provided with a starting switch 9.

A button 45 corresponding to the starting switch 9 is arranged on the outer wall of the toothbrush shell 4. The toothbrush shell 4 comprises an upper shell and a lower shell which are detachably buckled together, wherein a square mounting groove 42, a first clamping groove 43 and a second clamping groove 44 are arranged in the upper shell, and a mounting hole 41 and a button 45 are arranged on the lower shell. The vibration motor 1 includes a motor 11 and an eccentric weight 12.

The output shaft 2 is provided with a straight rod toothbrush head 21 or a U-shaped toothbrush head 22.

To sum up, the utility model discloses a with vibrating motor 1 and output shaft 2 convenient to install at the both ends of transmission sleeve 3, transmit output shaft 2 by the vibration that transmission sleeve 3 produced vibrating motor 1 on, and fixed with vibrating motor 1 and the cooperation of 2 chucking of output shaft respectively through transmission sleeve 3, it is rotatory to make vibrating motor 1 and output shaft 2 transmission sleeve 3 all can not be relative, install seal receptacle 6 with transmission sleeve 3 in through square 31 block again, and install seal receptacle 6 on location shell 5 through square 61 chucking, thereby it is rotatory to restrict transmission sleeve 3 relative positioning shell 5. When the toothbrush is used, the positioning shell 5 is fixed with the toothbrush shell 4, so that the toothbrush head cannot drive the output shaft 2 to rotate, and toothpaste splashing caused by rotation of the toothbrush head during tooth brushing is avoided.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. An electric toothbrush, comprising: the toothbrush is characterized by comprising a vibrating motor (1), a transmission sleeve (3) sleeved on the vibrating motor (1) and connected with an output shaft (2), a positioning shell (5) covered on the transmission sleeve (3) and installed in a toothbrush shell (4), and a sealing seat (6) sleeved on the output shaft (2) and installed at the end part of the positioning shell (5), wherein one end of the transmission sleeve (3) is clamped and positioned with one end of the sealing seat (6), and the sealing seat (6) is clamped and positioned with the end part of the positioning shell (5).

2. An electric toothbrush according to claim 1, wherein: the location shell (5) one end shaping has and is used for the installation square hole site (51) of seal receptacle (6), seal receptacle (6) one end shaping have with square portion (61) that square hole site (51) match, the shaping have in square portion (61) with square draw-in groove (611) that transmission sleeve (3) match the block, transmission sleeve (3) one end shaping have with square block (31) that square draw-in groove (611) match the block.

3. An electric toothbrush according to claim 2, wherein: the toothbrush is characterized in that a positioning convex part (52) used for being fixedly installed on the toothbrush shell (4) is formed at the other end of the positioning shell (5), and an installation hole (41) matched and clamped with the positioning convex part (52) is formed in one end of the toothbrush shell (4).

4. An electric toothbrush according to claim 3, wherein: location shell (5) wholly is square form chucking in toothbrush shell (4) inner wall, toothbrush shell (4) inner wall other end shaping has and is used for the chucking location square mounting groove (42) of location shell (5), mounting hole (41) inner wall cross-section is the polygon.

5. An electric toothbrush according to claim 4, wherein: and a waterproof clamping joint (62) clamped with the toothbrush shell (4) is formed at the other end of the sealing seat (6).

6. An electric toothbrush according to claim 5, wherein: the transmission sleeve (3) and the sealing seat (6) are both made of elastic soft rubber materials.

7. An electric toothbrush according to any one of claims 1 to 6, wherein: a battery (7) and a control circuit board (8) are respectively arranged on two sides of the positioning shell (5), and a first clamping groove position (43) and a second clamping groove position (44) which are respectively used for mounting the battery (7) and the control circuit board (8) are arranged on the inner wall of the toothbrush shell (4); and a starting switch (9) is arranged on the control circuit board (8).

8. An electric toothbrush according to claim 7, wherein: and a button (45) corresponding to the starting switch (9) is arranged on the outer wall of the toothbrush shell (4).

9. An electric toothbrush according to claim 8, wherein: the vibration motor (1) comprises a motor (11) and an eccentric hammer (12).

10. An electric toothbrush according to claim 8, wherein: the output shaft (2) is provided with a straight-bar toothbrush head (21) or a U-shaped toothbrush head (22).