CN213430720U - Power supply device for electric toothbrush - Google Patents
Power supply device for electric toothbrush Download PDFInfo
- Publication number
- CN213430720U CN213430720U CN202021884026.4U CN202021884026U CN213430720U CN 213430720 U CN213430720 U CN 213430720U CN 202021884026 U CN202021884026 U CN 202021884026U CN 213430720 U CN213430720 U CN 213430720U
- Authority
- CN
- China
- Prior art keywords
- motor
- power supply
- battery
- inner core
- metal plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 2
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 208000002064 Dental Plaque Diseases 0.000 description 1
- 206010018276 Gingival bleeding Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 208000007565 gingivitis Diseases 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
Images
Landscapes
- Brushes (AREA)
Abstract
The utility model discloses a power supply unit for electric toothbrush, including inner core, battery, motor, drive assembly and switch module, the inner core is "U" type structure, is used for fixing the battery the motor drive assembly with the switch module, the battery be used for doing the motor power supply, the positive pole of battery with the shell of motor is connected, the switch module is used for opening and close the motor, the negative pole of battery passes through the switch module with the shell of motor is connected the back and is do the motor power supply. The utility model discloses an adopt motor main part shell to connect the positive pole of battery, through the contact power supply of sheetmetal, the product need not beat the screw, need not weld, through the block of each part, the assembly is comparatively simple to save a large amount of and not become artifical, reduce cost by a wide margin; the utility model has the advantages of simple structure, stable performance and longer service life.
Description
Technical Field
The utility model relates to an electric toothbrush technical field especially relates to a power supply unit for electric toothbrush.
Background
With the increasing demand for quality of life, daily oral care becomes more and more sophisticated, and many people choose to use electric toothbrushes instead of ordinary toothbrushes. The electric toothbrush can more thoroughly remove dental plaque, reduce gingivitis and gingival bleeding, and has obvious oral care effect; the electric toothbrush enables the brush head to generate high-frequency motion, the toothpaste is instantly decomposed into fine foam to deeply clean slits between teeth, and thus the effect of deep cleaning is achieved; meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on the gum tissue.
The existing electric toothbrush is internally provided with a storage battery, the storage battery supplies power to the electric toothbrush in a charging mode, the storage battery supplies power to a motor, the mode generally adopted is that the power is supplied through wire connection, welding is needed through soldering tin, the electric toothbrush brushes teeth through vibration or rotation when in use, the wire is welded through the soldering tin, and due to long-time vibration or rotation, the welding spot is broken, the electric toothbrush is short-circuited and cannot be used, secondly, the welding process is used, a screw is needed for fixing, and great labor and cost pressure are brought to production.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving the above problems and providing a power supply device for an electric toothbrush.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a power supply unit for electric toothbrush, includes inner core, battery, motor, transmission subassembly and switch module, the inner core is "U" type structure, is used for fixing the battery the motor transmission subassembly with the switch module, the battery be used for doing the motor power supply, the positive pole of battery with the shell of motor is connected, the switch module is used for opening and close the motor, the negative pole of battery passes through the switch module with the shell of motor is connected the back and is the motor power supply.
The utility model discloses preferred, the switch module includes self-locking switch button, first sheetmetal and second sheetmetal, first sheetmetal is used for connecting the shell of motor with self-locking switch button, the second sheetmetal is used for connecting the negative pole of battery with self-locking switch button, self-locking switch button set up in the back of inner core, be used for connecting first sheetmetal with give behind the second sheetmetal the motor power supply.
The utility model discloses it is preferred, first sheetmetal is "Z" type structure, its pass behind the inner core one end set up in the motor with between the inner wall of inner core, through the motor compresses tightly, the other end of first sheetmetal is located the back of inner core, when needs power supply, promote behind the auto-lock switch button with first sheetmetal contact, do the motor power supply.
The utility model discloses it is preferred, first sheetmetal is "Y" type structure, its pass behind the inner core one end set up in one side of self-locking switch button, the other end of first sheetmetal is located the inner wall of inner core is circular snap ring structure, the block in on the outer wall of motor, when needs power supply, promote behind the self-locking switch button with first sheetmetal contact does the motor power supply.
The utility model discloses preferred, the second sheetmetal is "L" type structure, its shorter one end with the negative pole of battery is connected, its longer one end with the back laminating of inner core, and with the auto-lock switch is pressed the key-type connection.
The utility model discloses preferred, drive assembly includes transmission shaft and first connecting piece of brush, the transmission shaft is used for connecting first connecting piece of brush with the motor shaft, first connecting piece of brush is used for connecting the toothbrush head.
The utility model discloses it is preferred, the cover is equipped with the part of moving away to avoid possible earthquakes on the outer wall of transmission shaft, the outer end of transmission shaft with brush head connecting piece is connected, the part of moving away to avoid possible earthquakes is used for reducing the effort of transmission shaft when vibrations, thereby the protection the transmission shaft with brush head connecting piece's connection stability.
The utility model discloses it is preferred, the cover is equipped with the driving shaft cover on the transmission shaft, is used for reducing the effort of transmission shaft when vibrations, thereby the protection the transmission shaft with motor shaft's connection stability.
The beneficial effects of the utility model reside in that:
the utility model discloses an adopt motor main part shell to connect the positive pole of battery, through the contact power supply of sheetmetal, the product need not beat the screw, need not weld, through the block of each part, the assembly is comparatively simple to save a large amount of and not become artifical, reduce cost by a wide margin; the utility model has the advantages of simple structure, stable performance and longer service life.
Drawings
Fig. 1 is a first schematic structural diagram of a power supply device for an electric toothbrush according to the present invention;
fig. 2 is a schematic structural diagram of a power supply device for an electric toothbrush according to the present invention;
fig. 3 is a schematic structural diagram three of a power supply device for an electric toothbrush according to the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, 2 and 3: the utility model provides a power supply unit for electric toothbrush, including inner core 1, battery 2, motor 3, drive assembly and switch module, inner core 1 is "U" type structure for fixed battery 2, motor 3, drive assembly and switch module, battery 2 is used for supplying power for motor 3, battery 2's positive pole is connected with motor 3's shell, switch module is used for opening and stops motor 3, the negative pole of battery 2 passes through the switch module and is connected the back for motor 3 power supplies with motor 3's shell.
As shown in fig. 1 and 2, the switch assembly comprises a self-locking switch button 8, a first metal sheet 4 and a second metal sheet 9, the first metal sheet 4 is used for connecting a shell of the motor 3 and the self-locking switch button 8, the second metal sheet 9 is used for connecting a negative pole of the storage battery 2 and the self-locking switch button 8, the self-locking switch button 8 is arranged on the back of the inner core 1 and used for supplying power to the motor after being connected with the first metal sheet 4 and the second metal sheet 9, the power is supplied by the first metal sheet 4 and the second metal sheet 9 under the action of the self-locking switch button 8, welding is not needed, and welding point fracture caused by vibration force and rotating force of the electric toothbrush in use is avoided.
The first embodiment is as follows:
as shown in fig. 1, 2 and 3, the first metal sheet 4 is a "Z" shaped structure, one end of the first metal sheet is arranged between the motor 3 and the inner wall of the inner core 1 after penetrating through the inner core 1, and is compressed by the motor 3, the other end of the first metal sheet 4 is located on the back of the inner core 1, and when power needs to be supplied, the self-locking switch button 8 is pushed to contact with the first metal sheet 4, so as to supply power to the motor 3.
Example two:
as shown in fig. 1, 2 and 3, the first metal sheet 4 is a "Y" shaped structure, one end of the first metal sheet is disposed on one side of the self-locking switch button 8 after passing through the inner core 1, and the other end of the first metal sheet 4 is disposed on the inner wall of the inner core 1 and is a circular snap ring structure, and is snapped on the outer wall of the motor 3, and when power needs to be supplied, the first metal sheet 4 is contacted with the self-locking switch button 8 after being pushed to supply power to the motor 3.
As shown in fig. 2 and 3, the second metal sheet 9 is of an "L" shape, and has a shorter end connected to the negative electrode of the battery 2 and a longer end attached to the back of the core 1 and connected to the self-locking switch button 8.
As shown in fig. 1, 2 and 3, the drive assembly includes a drive shaft 10 and a brushhead attachment member 6, the drive shaft 10 being for connecting the brushhead attachment member 6 to the shaft of the motor 3, and the brushhead attachment member 6 being for connecting to a brushhead (not shown).
As shown in fig. 1, 2 and 3, the outer end of the transmission shaft 10 is connected with the brush head connecting member 6, and the joint of the transmission shaft 10 is sleeved with a shock absorbing member 5 for reducing the acting force of the transmission shaft 10 during vibration, thereby protecting the connection stability of the transmission shaft 10 and the brush head connecting member 6.
As shown in fig. 1, 2 and 3, the driving shaft 10 is sleeved with a driving sleeve 7 for reducing the acting force of the driving shaft 10 during vibration, thereby protecting the connection stability of the driving shaft 10 and the rotating shaft of the motor 3.
In summary, the utility model adopts the motor main body shell to connect the positive pole of the storage battery, and supplies power through the contact of the metal sheet, so that the product does not need to be screwed or welded, and the assembly is simpler through the clamping of each part, thereby saving a great amount of labor and labor, and greatly reducing the cost; the utility model has the advantages of simple structure, stable performance and longer service life.
The present invention can be implemented by various modifications without departing from the spirit and spirit of the present invention, and the above description is only a preferred and feasible embodiment of the present invention, and is not intended to limit the scope of the present invention, and all the equivalent structural changes made by using the contents of the present invention and the accompanying drawings are included in the scope of the present invention.
Claims (8)
1. The utility model provides a power supply unit for electric toothbrush, characterized in that, includes inner core, battery, motor, transmission subassembly and switch module, the inner core is "U" type structure for it is fixed the battery the motor the transmission subassembly with the switch module, the battery is used for doing the motor power supply, the positive pole of battery with the shell of motor is connected, the switch module is used for opening and close the motor, the negative pole of battery passes through the switch module with the shell of motor is connected the back and is the motor power supply.
2. The power supply device for an electric toothbrush according to claim 1, wherein the switch assembly comprises a self-locking switch button, a first metal sheet and a second metal sheet, the first metal sheet is used for connecting the housing of the motor and the self-locking switch button, the second metal sheet is used for connecting the negative electrode of the storage battery and the self-locking switch button, and the self-locking switch button is arranged on the back surface of the inner core and used for supplying power to the motor after being connected with the first metal sheet and the second metal sheet.
3. The power supply device of claim 2, wherein the first metal plate has a "Z" shape, one end of the first metal plate is disposed between the motor and the inner wall of the inner core after passing through the inner core, and is pressed by the motor, the other end of the first metal plate is disposed on the back of the inner core, and when power is needed, the self-locking switch button is pushed to contact with the first metal plate to supply power to the motor.
4. The power supply device of claim 2, wherein the first metal plate is of a Y-shaped structure, one end of the first metal plate is disposed on one side of the self-locking switch button after penetrating through the inner core, the other end of the first metal plate is disposed on the inner wall of the inner core and is of a circular snap ring structure, the first metal plate is clamped on the outer wall of the motor, and when power needs to be supplied, the first metal plate is contacted with the self-locking switch button after being pushed to supply power to the motor.
5. The power supply device of claim 2, wherein the second metal plate is of an "L" shape, and has a shorter end connected to the negative electrode of the battery and a longer end attached to the back of the inner core and connected to the latching switch button.
6. A power unit for a power toothbrush according to claim 1, wherein the drive assembly includes a drive shaft for connecting the brushhead connector and the motor shaft and a brushhead connector for connecting the brushhead.
7. The power supply device of claim 6, wherein a shock absorber is sleeved on the outer wall of the transmission shaft, the outer end of the transmission shaft is connected to the brush head connector, and the shock absorber is used to reduce the acting force of the transmission shaft during vibration, so as to protect the connection stability of the transmission shaft and the brush head connector.
8. The power supply apparatus of claim 7, wherein the transmission shaft is sleeved with a transmission sleeve for reducing an acting force of the transmission shaft during vibration, so as to protect the connection stability of the transmission shaft and the motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021884026.4U CN213430720U (en) | 2020-09-01 | 2020-09-01 | Power supply device for electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021884026.4U CN213430720U (en) | 2020-09-01 | 2020-09-01 | Power supply device for electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213430720U true CN213430720U (en) | 2021-06-15 |
Family
ID=76319832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021884026.4U Expired - Fee Related CN213430720U (en) | 2020-09-01 | 2020-09-01 | Power supply device for electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213430720U (en) |
-
2020
- 2020-09-01 CN CN202021884026.4U patent/CN213430720U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 |