CN216702700U - Electric toothbrush and vibration detection device thereof - Google Patents
Electric toothbrush and vibration detection device thereof Download PDFInfo
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- CN216702700U CN216702700U CN202123044058.0U CN202123044058U CN216702700U CN 216702700 U CN216702700 U CN 216702700U CN 202123044058 U CN202123044058 U CN 202123044058U CN 216702700 U CN216702700 U CN 216702700U
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Abstract
The utility model provides an electric toothbrush and a vibration detection device thereof, wherein the vibration detection device comprises: the counterweight bracket is connected with the tail part of the motor of the electric toothbrush; a magnetic member disposed on the weight holder; and the induction chip is arranged on the periphery of the magnetic component and is configured to be used for detecting the swing amplitude of the magnetic component so as to adjust the output power of the motor according to the swing amplitude. The toothbrush has the advantages that the vibration amplitude of the toothbrush head can be controlled, toothpaste can be prevented from splashing, the vibration sense of a user when the user holds the handle can be reduced, and the use experience of the user is improved.
Description
Technical Field
The utility model relates to the field of electric toothbrushes, in particular to an electric toothbrush and a vibration detection device thereof.
Background
With the continuous development of economy and science and technology, the living standard of people is also continuously improved, and the requirements of people on toothbrushes are higher and higher. Currently, electric toothbrushes are gaining increasing consumer popularity as a convenient and efficient brushing tool.
In the conventional electric toothbrush, a motor is generally installed in a handle, a brush head is connected with the motor, and vibration is transmitted to the brush head by using the motor so that the brush head vibrates to clean teeth. However, due to the limitation of the inner space of the handle, the motor is in contact with the handle, so that toothpaste splashes after the motor is started, and a user can feel obvious vibration when holding the handle, and the experience is not good, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
It is an object of the first aspect of the utility model to control the amplitude of the vibration of the brush head to prevent toothpaste from splashing.
It is a further object of the first aspect of the utility model to reduce the sensation of vibration when the user is holding the handle.
It is an object of a second aspect of the present invention to provide an electric toothbrush.
In particular, according to a first aspect of the present invention, there is provided a shock detection device for an electric toothbrush comprising:
the counterweight bracket is connected with the tail part of a motor of the electric toothbrush;
the magnetic component is arranged on the counterweight bracket; and
and the induction chip is arranged on the periphery of the magnetic component and is configured to be used for detecting the swing amplitude of the magnetic component so as to adjust the output power of the motor according to the swing amplitude.
Optionally, a clamping block is arranged at the tail of the motor, a clamping groove is formed in one end, close to the motor, of the counterweight support, the shape of the clamping groove is matched with that of the clamping block, and the counterweight support and the motor are fixedly connected together in an inserting mode through matching of the clamping block and the clamping groove.
Optionally, an upright post is arranged at one end, away from the motor, of the counterweight support, a mounting groove is formed in the upright post, and the magnetic component is inserted in the mounting groove.
Optionally, a through hole is formed in the position, corresponding to the magnetic component, of the upper cover of the motor, the diameter of the through hole is larger than that of the magnetic component, and the upper end of the magnetic component penetrates out of the through hole upwards;
the upper cover is connected with a cover plate, and the induction chip is fixed at the bottom of the cover plate and is opposite to the magnetic component.
Optionally, the counterweight support is provided with counterweights on two sides oppositely.
Optionally, each weight is 2g to 3 g.
Optionally, a bump is disposed at the bottom of the upper cover of the motor, and a shock pad is disposed at the top of the counterweight support and abutted to the bump.
Optionally, two buckles are connected to the bottom of the counterweight support, and the two buckles have plugs with opposite directions;
two jacks respectively corresponding to the two buckles are formed in the lower cover of the motor;
the two inserting buckles are configured in a way that in the process of passing through the inserting holes from top to bottom, the plugs of the two inserting buckles are respectively extruded by the inserting holes and folded towards the directions adjacent to each other until the plugs are popped out from the bottom of the lower cover to hook the bottom surface of the lower cover to form limiting.
Optionally, the weight holder is an elastic holder made of POM material.
According to a second aspect of the present invention, there is provided an electric toothbrush, comprising an upper cover and a lower cover, wherein the upper cover is fastened on the lower cover, and defines a mounting cavity together with the lower cover, and a motor and any one of the above-mentioned vibration detection devices are disposed in the mounting cavity.
The utility model relates to an electric toothbrush and a vibration detection device thereof.A counterweight bracket is connected with the tail part of a motor, a magnetic component is arranged on the counterweight bracket, and an induction chip is arranged at the periphery of the magnetic component. After the motor is started, the vibration at the tail of the motor can be transmitted to the counterweight support, so that the counterweight support drives the magnetic component to vibrate left and right, and the induction chip can accurately detect the vibration amplitude of the magnetic component. In practical application, the motor is controlled to start at a lower output power, and the vibration amplitude of the brush head is smaller, so that toothpaste can not splash. When the user stretches the brush head into the oral cavity, and when contacting with the tooth, the motor is equivalent to the access load, and the sensing chip can detect that the vibration amplitude of magnetic part appears slight change this moment, detects this slight change after, proves that the brush head has stretched into to the oral cavity, can increase the output of motor this moment to the vibration amplitude of crescent brush head makes the brush head clean tooth faster, better.
Further, according to the electric toothbrush and the vibration detection device thereof, the two sides of the counterweight bracket are oppositely provided with the counterweight blocks. Because the vibrations of motor afterbody are concentrated through the fixture block and are transmitted to the counter weight support, through the weight of adjusting two balancing weights or the elasticity coefficient of counter weight support or the length of extension counter weight support for when bearing vibrations, two balancing weights are the resonant motion, thereby can reverse offset this part vibrations. That is to say, the vibration of the motor is only transmitted to the handle at a small part, so that the vibration sense and the noise when a user holds the handle can be effectively reduced.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic view of the overall construction of an electric toothbrush according to an embodiment of the present invention;
FIG. 2 is a schematic view of a power toothbrush with a cover plate turned to one side according to an embodiment of the present invention;
FIG. 3 is a schematic view of the mounting position of the motor and counterweight housing according to one embodiment of the utility model;
FIG. 4 is an exploded view of a motor, counterweight support, and magnetic components according to one embodiment of the utility model;
fig. 5 is a sectional view of an electric toothbrush according to one embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
To solve the above problems, the present invention provides a vibration detecting device for an electric toothbrush and an electric toothbrush including the same.
Referring to fig. 1 to 5, the electric toothbrush may generally include a handle (including an upper cap 110 and a lower cap 120), a motor 200 (motor), and a brush head 300, wherein the upper cap 110 is snapped on the lower cap 120 to define a mounting chamber together with the lower cap 120, the motor 200 is disposed in the mounting chamber, and an output shaft thereof is connected with the brush head 300 for transmitting vibration to the brush head 300 to vibrate the brush head 300 to clean teeth.
The electric toothbrush may further include a vibration detecting device disposed in the mounting cavity and connected to the rear of the motor 200, and the vibration detecting device may acquire a vibration amplitude of the brush head 300 and control the vibration amplitude of the brush head 300, thereby preventing toothpaste from splashing.
Specifically, the shock detection device may include: a weight holder 410, a magnetic member 420, and an induction chip 430, wherein the weight holder 410 is connected with a tail of the motor 200 of the electric toothbrush. The magnetic member 420 is disposed on the weight holder 410, and the induction chip 430 is disposed at an outer circumference of the magnetic member 420 and configured to detect a swing amplitude of the magnetic member 420 to adjust an output power of the motor 200 according to the swing amplitude.
In the vibration detecting apparatus for an electric toothbrush according to the embodiment of the present invention, the rear portion of the motor 200 is connected to the weight holder 410, the magnetic member 420 is disposed on the weight holder 410, and the sensing chip 430 is disposed on the outer circumference of the magnetic member 420. After the motor 200 is started, the vibration at the tail of the motor 200 can be transmitted to the counterweight bracket 410, so that the counterweight bracket 410 drives the magnetic component 420 to vibrate left and right, and the sensing chip 430 can accurately detect the vibration amplitude of the magnetic component 420. In practical application, the motor 200 is first controlled to start at a lower output power, and the vibration amplitude of the brush head 300 is smaller, so that toothpaste is not splashed. When a user extends the brush head 300 into the oral cavity and contacts with teeth, the motor 200 is equivalent to a load, at this time, the sensing chip 430 detects a slight change in the vibration amplitude of the magnetic member 420, and after detecting the slight change, it is proved that the brush head 300 has extended into the oral cavity, and at this time, the output power of the motor 200 can be increased, so that the vibration amplitude of the brush head 300 is gradually increased, and the brush head 300 can clean the teeth more quickly and better.
The tail of the motor 200 is provided with a fixture block 210, one end of the counterweight bracket 410, which is adjacent to the motor 200, is provided with a clamping groove 411, the shape of the clamping groove 411 is matched with that of the fixture block 210, and the counterweight bracket 410 and the motor 200 are fixedly inserted together through the matching of the fixture block 210 and the clamping groove 411. When the motor 200 drives the brush head 300 to swing left and right, the vibration at the tail of the motor 200 is concentrated on the fixture block 210 and is concentrated and transmitted to the counterweight bracket 410 from the fixture block 210, so that the vibration transmitted to the handle is reduced, the vibration sense of the user when holding the handle is reduced, and the holding experience is better.
The end of the counterweight support 410 away from the motor 200 is provided with a column 412, the column 412 is provided with a groove 413, and the magnetic component 420 is inserted in the groove 413, so that the installation mode is simple and convenient. Since the vibration of the rear portion of the motor 200 is transmitted to the weight holder 410 through the latch 210, the weight holder 410 has a certain length, and when receiving the vibration, the weight holder 410 drives the magnetic member 420 to swing left and right, which is easy for the sensor chip 430 to detect accurately.
In a preferred embodiment, the upper cover 110 of the motor 200 is provided with a through hole 111 corresponding to the magnetic member 420, the diameter of the through hole 111 is larger than that of the magnetic member 420, and the upper end of the magnetic member 420 penetrates through the through hole 111. The cover plate 112 is connected to the upper side of the upper cover 110, and the sensing chip 430 is fixed to the bottom of the cover plate 112 and faces the magnetic component 420. It can be understood that the diameter of the through hole 111 is larger than that of the magnetic member 420, and the magnetic member 420 can be prevented from colliding with the periphery of the through hole 111 when the counterweight support 410 drives the magnetic member 420 to vibrate left and right. When the magnetic component 420 or the sensing chip 430 is damaged, the magnetic component 420 or the sensing chip 430 can be replaced by only taking down the cover 120 and the plate 112 without disassembling the handle, which is beneficial to the convenience of maintenance.
In this embodiment, the magnetic member 420 is a magnet having a cylindrical shape, and the sensor chip 430 is a PCBA and fixed to the bottom of the lid plate 112 by screws or adhesive.
The weight holder 410 is provided at both sides thereof with weights 440 opposite to each other. Since the vibration of the tail of the motor 200 is transmitted to the weight holder 410 through the fixture block 210, the two weights 440 perform a resonant motion when the weight holder 410 is subjected to the vibration by adjusting the weight of the two weights 440 or the elastic coefficient of the weight holder 410 or extending the length of the weight holder 410, so that the vibration can be counteracted in the opposite direction. That is, only a small part of the vibration of the motor 200 is transmitted to the handle, so that the vibration and noise of the user holding the handle can be effectively reduced.
The bottom of the upper cover 110 of the motor 200 is provided with a projection 113, the top of the counterweight support 410 is provided with a shock pad 416, and the shock pad 416 abuts against the projection 113. The counterweight support 410 can be pressed and held through the matching of the shock absorption pad 416 and the bump 113, so that the counterweight support 410 is prevented from shaking in the running position, and the counterweight support 410 is more firmly and stably connected with the motor 200.
Further, a boss 414 is disposed at the top of the connection end of the weight bracket 410 and the motor 200, an installation groove 415 is disposed on the top surface of the boss 414, and a shock pad 416 is embedded in the installation groove 415 and protrudes upward out of the installation groove 415. The shock absorbing pad 416 may be a silicone pad, and in the working process of the motor 200, the silicone pad can play a good role in shock absorption and buffering, so that the transmission of shock to the upper cover 110 is reduced, and the shock feeling of a user when holding the handle is reduced.
In an alternative embodiment, two buckles 417 are attached to the bottom of weight holder 410, and two buckles 417 have oppositely facing plugs. The lower cover 120 of the motor 200 is provided with two insertion holes 121 corresponding to the two insertion buckles 417, respectively. The two buckles 417 are configured such that in a process of passing through the socket 121 from top to bottom, the plugs of the two buckles 417 are respectively pressed by the socket 121 to be folded towards a direction adjacent to each other until being popped from the bottom of the lower cover 120 to hook the bottom surface of the lower cover 120 to form a limit. The counterweight support 410 is fixed to the lower cover 120 by two insertion buckles 417 in an insertion manner, so that the counterweight support 410 is easy to disassemble and assemble and convenient to repair or replace.
In this embodiment, the weight holder 410 is an elastic holder made of POM (Polyoxymethylene) material. The elastic support has the characteristics of high strength and high hardness, has good elasticity and good wear resistance, is slightly influenced by temperature, and is relatively suitable for being used in an electric toothbrush.
In this embodiment, the weight of each weight block 440 is 2g to 3g, and the weight of the weight block 440 is light, which does not substantially affect the overall weight of the electric toothbrush.
According to any one or a combination of multiple optional embodiments, the embodiment of the present invention can achieve the following advantages:
in the electric toothbrush and the vibration detecting apparatus thereof according to the present invention, the weight holder 410 is connected to the rear of the motor 200, the magnetic member 420 is disposed on the weight holder 410, and the sensing chip 430 is disposed on the outer circumference of the magnetic member 420. After the motor 200 is started, the vibration at the tail of the motor 200 can be transmitted to the counterweight bracket 410, so that the counterweight bracket 410 drives the magnetic component 420 to vibrate left and right, and the sensing chip 430 can accurately detect the vibration amplitude of the magnetic component 420. In practical application, the motor 200 is first controlled to start at a lower output power, and the vibration amplitude of the brush head 300 is smaller, so that toothpaste is not splashed. When a user extends the brush head 300 into the oral cavity and contacts with teeth, the motor 200 is equivalent to a load, at this time, the sensing chip 430 detects a slight change in the vibration amplitude of the magnetic member 420, and after detecting the slight change, it is proved that the brush head 300 has extended into the oral cavity, and at this time, the output power of the motor 200 can be increased, so that the vibration amplitude of the brush head 300 is gradually increased, and the brush head 300 can clean the teeth more quickly and better.
Further, in the electric toothbrush and the vibration detecting apparatus thereof according to the present invention, the weight blocks 440 are oppositely disposed at both sides of the weight bracket 410. Since the vibration of the tail of the motor 200 is transmitted to the weight holder 410 through the fixture block 210, the two weights 440 perform a resonant motion when the weight holder 410 is subjected to the vibration by adjusting the weight of the two weights 440 or the elastic coefficient of the weight holder 410 or extending the length of the weight holder 410, so that the vibration can be counteracted in the opposite direction. That is, only a small part of the vibration of the motor 200 is transmitted to the handle, so that the vibration and noise of the user holding the handle can be effectively reduced.
Thus, it should be appreciated by those skilled in the art that while various exemplary embodiments of the utility model have been shown and described in detail herein, many other variations or modifications which are consistent with the principles of this invention may be determined or derived directly from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A vibration detection device for an electric toothbrush, comprising:
the counterweight bracket is connected with the tail part of the motor of the electric toothbrush;
a magnetic member disposed on the weight holder; and
the induction chip is arranged on the periphery of the magnetic component and is configured to be used for detecting the swing amplitude of the magnetic component so as to adjust the output power of the motor according to the swing amplitude.
2. The shock detection device according to claim 1,
the tail of the motor is provided with a clamping block, one end, close to the motor, of the counterweight support is provided with a clamping groove, the shape of the clamping groove is matched with that of the clamping block, and the counterweight support and the motor are fixedly connected together in an inserting mode through matching of the clamping block and the clamping groove.
3. The shock detection device according to claim 1,
the counterweight support is provided with a vertical column at one end far away from the motor, a mounting groove is formed in the vertical column, and the magnetic component is inserted in the mounting groove.
4. The shock detection device according to claim 1,
a through hole is formed in the position, corresponding to the magnetic part, of the upper cover of the motor, the diameter of the through hole is larger than that of the magnetic part, and the upper end of the magnetic part penetrates out of the through hole upwards;
the upper cover is connected with a cover plate, and the induction chip is fixed at the bottom of the cover plate and is opposite to the magnetic component.
5. The shock detection device according to claim 1,
and two sides of the counterweight support are oppositely provided with counterweight blocks.
6. The shock detection device according to claim 5,
the weight of each balancing weight is 2-3 g.
7. The shock detection device according to claim 1,
the bottom of the upper cover of the motor is provided with a convex block, the top of the counterweight support is provided with a shock pad, and the shock pad is abutted against the convex block.
8. The shock detection device according to claim 1,
the bottom of the counterweight support is connected with two inserting buckles, and the two inserting buckles are provided with plugs with opposite directions;
the lower cover of the motor is provided with two sockets corresponding to the two buckles respectively;
the two inserting buckles are configured in a way that in the process of penetrating through the inserting holes from top to bottom, the plugs of the two inserting buckles are respectively extruded by the inserting holes and folded towards the adjacent directions until the plugs are popped out from the bottom of the lower cover to hook the bottom surface of the lower cover to form limiting.
9. The shock detection device according to claim 1,
the counterweight support is an elastic support made of POM materials.
10. An electric toothbrush, comprising an upper cover and a lower cover, wherein the upper cover is buckled on the lower cover, and a mounting cavity is defined between the upper cover and the lower cover, and a motor and the vibration detection device as claimed in any one of claims 1 to 9 are arranged in the mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123044058.0U CN216702700U (en) | 2021-12-06 | 2021-12-06 | Electric toothbrush and vibration detection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123044058.0U CN216702700U (en) | 2021-12-06 | 2021-12-06 | Electric toothbrush and vibration detection device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216702700U true CN216702700U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123044058.0U Active CN216702700U (en) | 2021-12-06 | 2021-12-06 | Electric toothbrush and vibration detection device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216702700U (en) |
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2021
- 2021-12-06 CN CN202123044058.0U patent/CN216702700U/en active Active
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