Electric toothbrush

Abstract

An electric toothbrush comprises a handle, a driving motor, a control circuit board and a power source are arranged in the handle, the driving motor comprises a stator and a rotor, the output end of the rotor is connected with a driving rod, the driving rod penetrates out of the upper end of the handle, and the driving rod is sleeved with a brush head; an integrally-formed support strip is further arranged in the handle, and the driving motor, the control circuit board and the power source are all fixed to the support strip, so that the support strip, the driving motor, the control circuit board and the power source form a machine core assembly. The rear end face of the handle is provided with an opening and a rear end cover, and after the machine core assembly is inserted into the handle from the opening of the rear end face of the handle, the rear end cover covers the opening of the rear end face of the handle.

Description

Technical Field

[0001] The utility model relates to an electric toothbrush. Background Art

[0002] The general structure of an electric toothbrush is as follows: it includes a handle, in which a drive motor, a control circuit board, and a power supply are provided. The drive motor includes a stator and a rotor. The output end of the rotor is connected to a drive rod, which passes through the upper end of the handle and is covered with a brush head.

[0003] In order to install the drive motor, control circuit board, and power supply into the handle, a fixing mechanism adapted to the drive motor, a fixing mechanism adapted to the control circuit board, and a fixing mechanism adapted to the power supply are required. As a result, the entire assembly process of the electric toothbrush is very complicated. Summary of the Invention

[0004] In order to overcome the above-mentioned deficiencies of the existing electric toothbrushes, the utility model provides an electric toothbrush that is easy to assemble.

[0005] The utility model solves the technical problem as follows: an electric toothbrush, comprising a handle, wherein a driving motor, a control circuit board, and a power supply are provided in the handle, wherein the driving motor comprises a stator and a rotor, wherein the output end of the rotor is connected to a driving rod, wherein the driving rod passes through the upper end of the handle, and a brush head is sleeved on the driving rod;

[0006] The handle also has an integrally formed support bar, and the drive motor, control circuit board and power supply are all fixed on the support bar, so that the support bar, drive motor, control circuit board and power supply form a movement assembly;

[0007] The rear end face of the handle has an opening and a rear end cover. After the movement assembly is inserted into the handle from the opening of the rear end face of the handle, the rear end cover covers the opening of the rear end face of the handle.

[0008] Furthermore, the support bar is provided with a motor cavity, and the driving motor is embedded in the motor cavity;

[0009] The support bar is provided with a battery cavity, the power source is a battery, and the battery is embedded in the battery cavity;

[0010] The control circuit board is attached to the bracket bar.

[0011] Furthermore, it also includes a motor cover, which covers the driving motor embedded in the motor cavity, and the motor cover is fixed to the bracket bar.

[0012] Furthermore, the upper end and / or the lower end of the rotor is provided with a bearing.

[0013] Furthermore, a through-hole is provided at the upper end of the handle, a sealing gasket is plugged in the through-hole, and the driving rod passes through the sealing gasket.

[0014] Furthermore, after the motor cover is fixed to the bracket bar, the upper end of the motor cover is aligned with the upper end of the bracket bar, and the upper end of the motor cover is aligned with the upper end of the bracket bar to form a sealing sleeve, and the sealing gasket is sleeved on the sealing sleeve.

[0015] Furthermore, a wireless transmitter is provided in the handle, and the wireless transmitter is connected to the control circuit board;

[0016] The brush head is provided with an LED unit board and a wireless receiving end. The LED unit board is connected to the control circuit board, and the wireless receiving end is connected to the LED unit board and the control circuit board respectively.

[0017] Furthermore, the wireless transmitting end includes a transmitting coil;

[0018] After the motor cover is fixed to the bracket bar, the upper end of the motor cover is aligned with the upper end of the bracket bar, and the upper end of the motor cover is aligned with the upper end of the bracket bar to form a coil sleeve, and the transmitting coil is sleeved on the coil sleeve.

[0019] Furthermore, the wireless receiving end includes a receiving coil;

[0020] The brush head includes a body and a coil sleeve sleeved in the body, and the receiving coil is sleeved on the coil sleeve;

[0021] The driving rod is inserted into the coil sleeve.

[0022] The beneficial effect of the present invention is that it has an integrally formed bracket bar, and the drive motor, control circuit board and power supply are all fixed on the bracket bar, so that the bracket bar, drive motor, control circuit board and power supply form an integral movement assembly. During assembly, it is only necessary to insert the movement assembly from the opening on the rear end face of the handle, which is very easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an outline drawing of the present utility model.

[0024] Figure 2 It is an exploded view of the present utility model.

[0025] Figure 3 It is a structural diagram of the bracket bar.

[0026] Figure 4It is a structural diagram of the drive motor.

[0027] Figure 5 It is an assembly diagram of the sealing gasket, transmitting coil and movement assembly.

[0028] Figure 6 This is an exploded view of the assembly of the sealing ring, transmitting coil and movement assembly.

[0029] Figure 7 It is a cross-sectional view of the brush head and the drive rod. DETAILED DESCRIPTION

[0030] The present invention will be described in further detail below with reference to the accompanying drawings and specific implementation methods.

[0031] Reference Figure 1-Figure 7 An electric toothbrush includes a handle 1, in which a driving motor 2, a control circuit board 3, and a power supply 4 are provided. The driving motor 2 includes a stator 2-1 and a rotor 2-2. The output end of the rotor 2-2 is connected to a driving rod 5, which passes through the upper end of the handle 1 and is covered with a brush head 6.

[0032] The handle 1 also has an integrally formed bracket bar 7, and the drive motor 2, control circuit board 3 and power supply 4 are all fixed on the bracket bar 7, so that the bracket bar 7, drive motor 2, control circuit board 3 and power supply 4 form a movement assembly 8.

[0033] The rear end face of the handle 1 has an opening and a rear end cover 9. During assembly, the movement assembly 8 is inserted into the handle 1 from the opening of the rear end face of the handle 1, and the rear end cover 9 covers the opening of the rear end face of the handle 1, which makes assembly very simple.

[0034] In one embodiment, the bracket bar 7 is provided with a motor cavity 7-1, and the drive motor 2 is embedded in the motor cavity 7-1 so that the drive motor 2 is fixed on the bracket bar; the bracket bar 7 is provided with a battery cavity 7-2, and the power supply 4 is a battery, and the battery is embedded in the battery cavity 7-2 so that the battery is fixed on the bracket bar; the control circuit board 3 is attached to the bracket bar 7 so that the control circuit board is fixed on the bracket bar.

[0035] In one embodiment, a motor cover 10 is further included, and the motor cover 10 covers the drive motor 2 embedded in the motor cavity 7-1, and the motor cover 10 is fixed to the bracket bar 7, which can further fix the drive motor 2. The motor cover 10 is fixed to the bracket bar 7, and the motor cover 10 and the movement assembly 8 are still a whole, which does not affect the movement assembly 8 being installed as a whole into the handle 1.

[0036] In one embodiment, the upper end, or the lower end, or the upper and lower ends of the rotor 2-2 are provided with bearings 11, so that the rotor 2-2 can rotate more smoothly.

[0037] In one embodiment, a through-hole 12 is formed at the upper end of the handle 1, and a sealing gasket 13 is plugged in the through-hole 12. The driving rod 5 passes through the sealing gasket 13 to achieve a good sealing effect and prevent water from entering the handle.

[0038] In one embodiment, after the motor cover 10 is fixed to the bracket bar 7, the upper end of the motor cover 10 is aligned with the upper end of the bracket bar 7, and the upper end of the motor cover 10 is aligned with the upper end of the bracket bar 7 to form a sealing sleeve 14. The sealing gasket 13 is sleeved on the sealing sleeve 14. On the one hand, the positioning of the sealing gasket 13 is more stable. On the other hand, during assembly, the sealing gasket 13 can be first sleeved on the sealing sleeve 14, and then the sealing gasket 13 can be inserted into the handle together with the random core assembly 8 until the sealing gasket 13 is inserted into the through-hole 12 at the upper end of the handle. The installation of the sealing gasket 13 is also relatively simple.

[0039] In one embodiment, the handle 1 is provided with a wireless transmitter, which is connected to the control circuit board 3. The brush head 6 is provided with an LED unit board and a wireless receiver, which are connected to the control circuit board 3. The wireless receiver is connected to the LED unit board and the control circuit board 3, respectively. Thus, the wireless transmitter transmits a wireless signal, and the wireless receiver receives the wireless signal, thereby instructing the LED lamp beads of the LED unit board to light up.

[0040] In one embodiment, the wireless transmitter includes a transmitting coil 15; after the motor cover 10 is fixed to the bracket bar 7, the upper end of the motor cover 10 is aligned with the upper end of the bracket bar 7, and the upper end of the motor cover 10 is aligned with the upper end of the bracket bar 7 to form a coil sleeve 16. The transmitting coil 15 is sleeved on the coil sleeve 16. On the one hand, the positioning of the transmitting coil 15 is more stable. On the other hand, during assembly, the transmitting coil 15 can be first sleeved on the coil sleeve 16, and then the transmitting coil 15 can be inserted into the handle together with the random core assembly 8, without affecting the ease of assembly.

[0041] In one embodiment, the wireless receiving end includes a receiving coil 17; the brush head 6 includes a body 6-1 and a coil sleeve 6-2 sleeved in the body 6-1, the receiving coil 17 is sleeved on the coil sleeve 6-2, and the driving rod 5 is inserted into the coil sleeve 6-2.

[0042] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0043] The above describes the implementation methods of the present invention. However, the present invention is not limited to the above implementation methods. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. An electric toothbrush comprising a handle, wherein the handle is provided with a drive motor, a control circuit board, and a power supply, the drive motor comprising a stator and a rotor, the output end of the rotor being connected to a drive rod extending from the upper end of the handle, the drive rod being sleeved with a brush head; Its characteristics are: The handle also has an integrally formed support bar, and the drive motor, control circuit board and power supply are all fixed on the support bar, so that the support bar, drive motor, control circuit board and power supply form a movement assembly; The rear end face of the handle has an opening and a rear end cover. After the movement assembly is inserted into the handle from the opening of the rear end face of the handle, the rear end cover covers the opening of the rear end face of the handle.

2. The electric toothbrush according to claim 1, wherein: The support bar is provided with a motor cavity, and the driving motor is embedded in the motor cavity; The support bar is provided with a battery cavity, the power source is a battery, and the battery is embedded in the battery cavity; The control circuit board is attached to the bracket bar.

3. The electric toothbrush according to claim 2, wherein: It also includes a motor cover plate, which covers the driving motor embedded in the motor cavity and is fixed to the bracket bar.

4. The electric toothbrush according to any one of claims 1 to 3, characterized in that: The upper end and / or the lower end of the rotor is provided with a bearing.

5. The electric toothbrush according to claim 3, wherein: A through-hole is provided at the upper end of the handle, a sealing gasket is provided in the through-hole, and the driving rod passes through the sealing gasket.

6. The electric toothbrush according to claim 5, wherein: After the motor cover is fixed to the bracket bar, the upper end of the motor cover is aligned with the upper end of the bracket bar to form a sealing sleeve, and the sealing gasket is sleeved on the sealing sleeve.

7. The electric toothbrush according to claim 3, wherein: A wireless transmitter is provided in the handle, and the wireless transmitter is connected to the control circuit board; The brush head is provided with an LED unit board and a wireless receiving end. The LED unit board is connected to the control circuit board, and the wireless receiving end is connected to the LED unit board and the control circuit board respectively.

8. The electric toothbrush according to claim 7, wherein: The wireless transmitting end includes a transmitting coil; After the motor cover is fixed to the bracket bar, the upper end of the motor cover is aligned with the upper end of the bracket bar, and the upper end of the motor cover is aligned with the upper end of the bracket bar to form a coil sleeve, and the transmitting coil is sleeved on the coil sleeve.

9. The electric toothbrush according to claim 7, wherein: The wireless receiving end includes a receiving coil; The brush head includes a body and a coil sleeve sleeved in the body, and the receiving coil is sleeved on the coil sleeve; The driving rod is inserted into the coil sleeve.

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