CN220495092U - Intelligent micro-change induction electric toothbrush structure - Google Patents

Abstract

The utility model provides an intelligence slightly becomes response electric toothbrush structure, which comprises a housin, inner structure and brush head, install inner structure in the casing, inner structure includes micro-induction motor and PCBA mainboard, electric connection between PCBA mainboard and the micro-induction motor, micro-induction motor has the motor axle, brush head grafting is epaxial at the motor, the laminating face has been seted up on the surface of motor axle, laminating face laminating has micro-induction FPC, micro-induction FPC electric connection is on the PCBA mainboard, the motor axle produces micro-angle's off-center under the pressure effect of brush head, micro-angle's off-center of micro-induction FPC induction motor axle, PCBA mainboard is according to micro-induction FPC induction control micro-induction motor swing angle size and swing frequency height, and instruct electric toothbrush's operating condition or excessive pressure through the control lamp plate to remind the user to reduce and apply pressure, in order to protect micro-induction motor, be favorable to protecting user's tooth health.

Description

Intelligent micro-change induction electric toothbrush structure

Technical Field

The utility model relates to the technical field of electric toothbrushes, in particular to an intelligent micro-change induction electric toothbrush structure.

Background

With the development of society, resident is to health life is increasingly focused, the consciousness of oral care is also gradually strengthened, simultaneously electric toothbrush market has changed from leading-in period to the growth period, the style is also from singly changing diversified, but many electric toothbrushes on the market all adopt the state that just direct high frequency shakes just starts, under the high frequency shake state, therefore brush head water and toothpaste on the brush head of toothbrush is thrown out before putting into the import chamber owing to the rapid rotation of motor rotational speed, user's experience sense to electric toothbrush has been influenced, and in addition, prior art's toothbrush, in the in-process of using, because the difference of user's brushing feel exists, there is brush head and tooth extrusion in-process pressure difference, the brush head is too big to the tooth pressure, not only influenced electric toothbrush's motor's life, moreover, still can harm the gum, be unfavorable for protecting user's tooth health, therefore, need design an intelligent slightly change response electric toothbrush structure, through the intelligent slightly change response brush head and the pressure change between the tooth on the electric toothbrush structure, motor rotation speed is adjusted automatically, thereby protect motor's rotation speed, simultaneously, the pressure is also improved when the device is equipped with the brush head of electric toothbrush, and the purpose of reminding user's health is realized, and the user is well is reminded to the tooth when the pressure is also to be well realized.

Disclosure of Invention

Therefore, the intelligent micro-change induction electric toothbrush structure provided by the utility model comprises a shell, an internal structure and a brush head, wherein the shell comprises an outer shell, a main body support and a motor support which are arranged in the outer shell, the internal structure is arranged in a cavity formed between the main body support and the motor support, the internal structure comprises a micro-induction motor and a PCBA main board for controlling the micro-induction motor to operate, the PCBA main board is electrically connected with the micro-induction motor, the micro-induction motor is provided with a motor shaft which extends outside the shell from the direction of the internal axis of the shell, the brush head is spliced on the motor shaft, the surface of the motor shaft is provided with a jointing surface, the surface of the jointing surface is jointed with a micro-induction FPC, the micro-induction FPC is electrically connected on the PCBA main board, the motor shaft generates micro-angle eccentricity under the pressure effect of the brush head, the micro-induction FPC induction motor is electrically connected with the PCBA main board, and the micro-induction motor has high vibration angle according to the micro-induction FPC main board and the micro-vibration angle.

According to the utility model, after the electric toothbrush is started, when the electric toothbrush is in a state of extruding toothpaste into the brush head or putting the electric toothbrush into the oral cavity and not brushing teeth yet, the brush head does not apply pressure to the motor shaft, the motor shaft is in a non-eccentric state, the micro-induction FPC senses the non-eccentric state of the motor shaft, and the PCBA main board controls the micro-induction motor to run in a low-frequency vibration state, so that the toothpaste does not splash; in the tooth brushing process, the brush head applies certain pressure to teeth, the motor shaft generates micro-angle eccentricity under the action of the pressure of the brush head, the micro-induction FPC senses the micro-angle eccentricity of the motor shaft, and the PCBA main board can reversely output signals to the micro-induction motor to enable the rotating speed of the micro-induction motor to reach the rated rotating speed so as to enable the micro-induction motor to work normally.

Further, the end of the main body support is provided with a first clamping column in a semicircular shape, the end of the motor support is provided with a second clamping column in a semicircular shape, the first clamping column and the second clamping column are provided with a circular clamping column, and the clamping column is sleeved with a sealing assembly.

Further, the bottom of first card post has the first annular mesa that a semicircle set up, the bottom of second card post has the second annular mesa that a semicircle set up, first annular mesa with second annular mesa forms an annular mesa, the laminating has the lamp plate that is used for instructing the brush head work on the annular mesa, the lamp plate with PCBA mainboard electric connection, and seal assembly's outside cover has the leaded light ring, the light signal that the lamp plate produced passes through the leaded light ring transmission is at outside demonstration. When the electric toothbrush works normally, the PCBA main board synchronously outputs signals to the lamp board, so that the lamp board is electrified to enable the LED lamp on the lamp board to be lighted and to display white, white light at the moment can be displayed outside through the light guide ring, when the pressure applied to the brush head by a user during brushing teeth is overlarge, the eccentric angle of the motor shaft exceeds a set threshold value, the micro-induction FPC can immediately output feedback to the PCBA main board, the PCBA main board 61 controls the micro-induction motor to reduce the swinging angle and reduce the swinging frequency, the PCBA main board can immediately output instructions to the lamp board when receiving the micro-induction motor overpressure signal, the instructions of the PCBA main board overpressure received by the lamp board can be changed into flashing red light from white light which normally works originally, the flashing red light is displayed outside through the light guide ring in a transmission mode, so that the user is warned to reduce the pressure, the electric toothbrush is guaranteed to operate in a normal pressure application working mode, the micro-induction motor of the electric toothbrush is protected, and the purpose of protecting teeth of the user is also realized.

Further, the end of the outer shell is provided with a clamping groove for the light guide ring to clamp, the end face of the light guide ring is provided with a clamping column corresponding to the clamping groove, and the light guide ring and the outer shell form clamping fit.

Further, the light guide ring is internally provided with a fastening sleeve, the fastening sleeve is connected with the sealing assembly in a clamping manner, a transmission cavity for the lamp panel to transmit light is formed between the light guide ring and the fastening sleeve, and the light generated by the lamp panel is transmitted on the light guide ring through the transmission cavity.

Further, the light guide ring is made of PC. The PC has good light guide effect, light of the lamp panel can be well transmitted to the outside for display, and especially after titanium pigment is added into the PC, soft external light display is formed due to the scattering effect of the titanium pigment, so that transparent PC glare transmission of the light guide ring is avoided.

According to the utility model, the electric toothbrush mainly drives the brush head to reciprocate at a high speed left and right by virtue of the operation of the micro-induction motor in the working process, the brush head can generate mechanical vibration in the reciprocating swinging motion process, and the reciprocating swinging of the micro-induction motor comprises the amplitude of a swinging angle and the frequency of the reciprocating swinging can be controlled through the setting of the PCBA main board.

Compared with the prior art, the utility model has the beneficial effects that: 1. the problem that the toothpaste water splashes caused by the high-frequency rotation of the rotating shaft of the micro-induction motor when the existing electric toothbrush works is solved; 2. the utility model provides an improve current electric toothbrush because the involuntary messenger is brushing the head and exert pressure the little induction motor high load operation that leads to on the tooth and lead to little induction motor's damage in the user's use, the scintillation of lamp plate is used for reminding the user to reduce and exerts pressure to the protection little induction motor is favorable to protecting user's tooth health simultaneously.

Drawings

Fig. 1 is a schematic perspective view of an electric toothbrush.

Fig. 2 is an exploded view of the electric toothbrush.

Fig. 3 is a schematic view of an internal cross-section of an electric toothbrush.

Fig. 4 is a schematic perspective exploded view of the housing.

Fig. 5 is a schematic perspective exploded view of the internal structure.

Fig. 6 is a schematic end view of the outer housing.

Fig. 7 is a schematic perspective view of a light guide ring.

Fig. 8 is a schematic view of an inner cross-section of a light guide ring.

Fig. 9 is an enlarged partial schematic view of fig. 3 a.

Fig. 10 is a schematic diagram of a connection structure between a micro-induction motor and a micro-induction FPC.

FIG. 11 is a schematic diagram of the motor shaft micro-eccentricity of a micro-induction motor under the action of a brush head.

Wherein: 1-brush head, 2-shell, 21 a-clamping groove, 22-main body support, 22 a-first clamping column, 22 b-first annular table top, 23-motor support, 23 a-second clamping column, 23 b-second annular table top, 24-bottom cover, 3-key, 4-display component, 5-light guide ring, 51-clamping column, 52-fastening sleeve, 53-transmission cavity, 6-internal structure, 61-PCBA main board, 62-micro-induction FPC, 63-micro-induction motor, 63 a-motor shaft, 63 b-joint surface, 64-battery, 7-lamp panel and 8-sealing component.

Detailed Description

Embodiments of the present utility model will be briefly described below with reference to the drawings.

1-5, including the body 2, the internal structure 6 and brush head 1, the body 2 includes the body 21 and installs in the body 22 and motor support 23 in the body 21, the surface mounting of the body 21 has the button 3 used for controlling the electric toothbrush switch and is used for displaying or to the display module 4 that the electric toothbrush mode parameter presumes, the body 22 and motor support 23 adopt the usual buckle setting, and set up in the body 21 relatively, thus body 22 forms the die cavity between motor support 23 and the die cavity, there is internal structure 6 in the die cavity, the internal structure 6 includes micro-induction motor 63 and controls the micro-induction motor 63 to run mainboard 61, there are batteries 64 in the rear of PCBA mainboard 61, the battery 64 provides the power for micro-induction motor 63 and PCBA mainboard 61, electrically connect between PCBA mainboard 61 and micro-induction motor 63, micro-induction motor 63 has a motor shaft 63a and a direction of axle 63 that extends outside its body 2 from the inside of body 2, brush head 1 is pegged graft on motor shaft 63a, the internal structure 6 is through the bottom cover 24, wherein the first end of body 22a of body 2 has a first annular card 22a, a second annular end of a card 22a of a cylindrical seal is set up in the first end of a cylindrical seal 23a, a second cylindrical seal is formed between annular end 23a of a second cylindrical seal 23, a cylindrical seal 8 is provided with a, a cylindrical end of a second cylindrical seal 23, a cylindrical seal 8 is formed between a cylindrical end of a cylindrical end 23a cylindrical seal 23, a cylindrical end of a seal 23 is provided, the first annular table top 22b and the second annular table top 23b form an annular table top, referring to fig. 9, a lamp panel 7 for indicating the brush head 1 to work is attached to the annular table top, the lamp panel 7 is electrically connected with the PCBA main board 61, a light guide ring 5 is sleeved outside the sealing component 8, a light signal generated by the lamp panel 7 is displayed outside in a transmission mode through the light guide ring 5, an attaching surface 63b is formed on the surface of the motor shaft 63a, a micro-induction FPC 62 is attached to the surface of the attaching surface 63b, the micro-induction FPC 62 is electrically connected to the PCBA main board 61, the motor shaft 63a generates micro-angle eccentricity under the pressure action of the brush head 1, the micro-induction FPC 62 senses the micro-angle eccentricity of the motor shaft 63a, and the PCBA main board 61 controls the swing angle and the swing frequency of the micro-induction motor 63 according to the micro-induction FPC 62 induction, generally, referring to fig. 10 and fig. 11, the electric toothbrush is provided with a plurality of modes including a standing mode, the eccentric angle θ of the motor shaft 63a of the micro-induction motor 63 is in a 0-0.05 DEG to a low frequency vibration state; in the working mode, the eccentric angle theta of the motor shaft 63a of the micro-induction motor 63 is 0.05-0.1 degrees, the PCBA main board 61 controls the micro-induction motor 63 to operate according to the rated high-frequency vibration rotation state, and the lamp panel 7 indicates white light; in the overvoltage mode, the eccentric angle theta of the motor shaft 63a of the micro-induction motor 63 is larger than 0.1 degrees, the PCBA main board 61 controls the micro-induction motor 63 to reduce the swing angle and the swing frequency, and meanwhile controls the red light flashing on the lamp panel 7 to remind the user of overvoltage.

After the electric toothbrush is started, the micro-induction FPC 62 induces the micro-induction motor 63 to run in a low-frequency vibration state according to a standing mode under the control of the PCBA main board 61 according to the eccentric state of the motor shaft 63a, so that toothpaste cannot splash; thereby conveniently squeeze toothpaste on brush head 1 or get deep into the oral cavity with electric toothbrush, when brushing teeth, because brush head 1 applys certain pressure to the tooth, motor shaft 63a produces micro-angle's off-centering under brush head 1's pressure effect, micro-induction FPC 62 senses motor shaft 63 a's off-centering, and micro-induction FPC 63's off-centering angle θ is at 0.05 ~0.1 when being in, by PCBA mainboard 61 control micro-induction motor 63 according to the rated high frequency vibration change state operation of operating mode, PCBA mainboard 61 can synchronous output signal give lamp plate 7, make its circular telegram make the LED lamp on the lamp plate 7 light up and appear white, white light at this moment can pass through light guide ring 5 transmission and show in the outside, when user's pressure that applies to brush head 1 when brushing teeth, micro-induction motor 63a big off-centering angle θ is greater than 0.1, by micro-induction FPC 63 is controlled according to overvoltage mode, micro-induction FPC 62 can export the feedback to PCBA 61 immediately, thereby PCBA 61 control micro-induction motor 63 reduces the swing angle and reduces the red motor lamp guide plate 63 and reduces the electric motor lamp guide ring and glistens the normal operating command of lamp wire, thereby the normal work order can be reduced to the normal user and the electric lamp guide plate is received at the time, thereby the electric lamp guide plate is cut down, and the normal work order is reduced, and the user's can be the normal is read to the electric lamp guide plate is cooled down.

In this embodiment, referring to fig. 6, 7 and 8, the end portion of the outer casing 21 is provided with a clamping groove 21a for clamping the light guide ring 5, the end surface of the light guide ring 5 is provided with a clamping post 51 corresponding to the clamping groove 21a, and a fastening sleeve 52 is disposed inside the light guide ring 5, so that the light guide ring 5 and the outer casing 21 form a clamping fit, the fastening sleeve 52 is connected with the sealing component 8 in a clamping manner, a transmission cavity 53 for transmitting light by the light plate 7 is formed between the light guide ring 5 and the fastening sleeve 52, the light generated by the light plate 7 is transmitted on the light guide ring 5 through the transmission cavity 53, and in order to realize a better light guide effect of the light guide ring 5, the light guide ring 5 is made of a PC, and is generally made of a transparent material, the PC has a good light guide effect, so that the light of the light guide plate 7 is transmitted from inside to outside, and the light of the light guide plate 7 can be well displayed on the outside.

The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (6)

1. The utility model provides an intelligence slightly becomes response electric toothbrush structure, includes casing, inner structure and brush head, the casing includes the shell body and installs main part support and the motor support in the shell body the inner structure is installed in the die cavity that forms between main part support with the motor support, its characterized in that: the utility model discloses a motor, including the motor, the motor is equipped with the motor shaft, the motor shaft is equipped with the motor shaft, the brush head is equipped with the motor shaft, the motor shaft is equipped with the bearing surface, the bearing surface has been seted up on the surface of motor shaft, the laminating of bearing surface has micro-induction FPC, just micro-induction FPC electric connection is in on the PCBA mainboard, the motor shaft is in the pressure effect of brush head produces micro-angle's eccentric, micro-induction FPC response the micro-angle's of motor shaft eccentric, the PCBA mainboard is according to micro-induction FPC induction control micro-induction motor swing angle size and swing frequency height.

2. The intelligent micro-induction electric toothbrush structure according to claim 1, wherein: the end part of the main body support is provided with a first clamping column in a semicircular shape, the end part of the motor support is provided with a second clamping column in a semicircular shape, the first clamping column and the second clamping column are provided with a circular clamping column, and the clamping column is sleeved with a sealing assembly.

3. The intelligent micro-induction electric toothbrush structure according to claim 2, wherein: the bottom of first card post has a first annular mesa that semicircle set up, the bottom of second card post has a second annular mesa that semicircle set up, first annular mesa with second annular mesa forms an annular mesa, the laminating has the lamp plate that is used for instructing the brush head work on the annular mesa, the lamp plate with PCBA mainboard electric connection, and seal assembly's outside cover has the leaded light ring, the light signal that the lamp plate produced passes through the leaded light ring transmission is at outside demonstration.

4. An intelligent micro-induction electric toothbrush structure according to claim 3, characterized in that: the end of the outer shell is provided with a clamping groove for the light guide ring to clamp, the end face of the light guide ring is provided with a clamping column corresponding to the clamping groove, and the light guide ring is in clamping fit with the outer shell.

5. An intelligent micro-induction electric toothbrush structure according to claim 3, characterized in that: the light guide ring is internally provided with a fastening sleeve, the fastening sleeve is connected with the sealing assembly in a clamping way, a transmission cavity for the lamp panel to transmit light is formed between the light guide ring and the fastening sleeve, and the light generated by the lamp panel is transmitted on the light guide ring through the transmission cavity.

6. An intelligent micro-induction electric toothbrush structure according to claim 3, characterized in that: the light guide ring is made of PC.