Function indicator lamp fixing structure of electric toothbrush

Abstract

The utility model discloses a function indicator lamp fixing structure of an electric toothbrush, which comprises a handle and an outer cover plate, the front surface of the handle is provided with a rectangular outer groove, the front surface of the outer groove is provided with a rectangular inner groove, the front surface of the inner groove is uniformly provided with a plurality of lamp holes penetrating through the handle at equal intervals, and the outer cover plate is arranged on the handle. A rectangular middle groove is further formed in the front face of the outer groove and is close to the inner groove. The outer cover plate is provided with an outer groove, the side face of the outer cover plate is provided with an inner cover plate, the outer cover plate is matched with the outer groove, the inner cover plate is matched with the inner groove, and the side face of the outer cover plate is further provided with a rectangular sealing gasket. According to the utility model, light emitted by the indicating lamp can be seen by a user through the inner light groove, the light-transmitting thin plate and the outer light groove, and the gap between the lamp hole and the indicating lamp is completely sealed by the outer cover plate, the inner cover plate and the sealing gasket, so that moisture in the air can be effectively prevented from being contacted with an internal circuit board through the gap between the lamp hole and the indicating lamp.

Description

Technical Field

[0001] The utility model relates to the technical field of electric toothbrushes, in particular to a function indicator light fixing structure of an electric toothbrush. Background Art

[0002] The electric toothbrush makes the brush head vibrate through the rapid rotation or vibration of the electric motor, breaking down the toothpaste into fine foam and deeply cleaning the gaps between teeth; the vibration of the bristles can promote blood circulation in the mouth and have an unexpected massage effect on the gum tissue; compared with ordinary toothbrushes, electric toothbrushes are more scientific and effective. They can more thoroughly remove dental plaque, reduce oral diseases such as gingivitis, periodontitis and gum bleeding. Electric toothbrushes are becoming more and more popular for their convenient and comfortable use experience. Electric toothbrushes are tools for cleaning teeth. They are composed of dry batteries, micro DC motors, battery boxes, toothbrush heads, metal guards and sleeves; the front of the handle of the electric toothbrush is generally provided with multiple working indicator lights. The specific structure is that multiple lamp holes are provided on the front of the handle shell, and a working indicator light is provided on the PCB circuit board. When the PCB circuit board is installed inside the handle shell, the working indicator light just passes through the lamp hole. For the installation plan, the size of the lamp hole is generally slightly larger than the indicator light, so that it is convenient for the indicator light to pass through the lamp hole. However, electric toothbrushes are usually placed on the sink in the bathroom and are in a humid environment for a long time. The moisture in the air can easily pass through the gap between the indicator light and the lamp hole and contact the internal circuit board. The sealing between the indicator light and the lamp hole is poor. Utility Model Content

[0003] The utility model provides a fixing structure for a function indicator light of an electric toothbrush in order to solve the technical problem of poor sealing between an indicator light and a lamp hole.

[0004] The utility model provides a function indicator light fixing structure of an electric toothbrush, comprising a handle and an outer cover plate, wherein a rectangular outer groove is arranged on the front of the handle, a rectangular inner groove is arranged on the front of the outer groove, a plurality of lamp holes penetrating the handle are evenly and equidistantly arranged on the front of the inner groove, a rectangular middle groove is also arranged on the front of the outer groove, and the middle groove is close to the inner groove;

[0005] An inner cover plate is disposed on the side of the outer cover plate, the outer cover plate is matched with the outer groove, the inner cover plate is matched with the inner groove, and a rectangular sealing gasket is also disposed on the side of the outer cover plate, the sealing gasket is close to the inner cover plate, and the sealing gasket is matched with the middle groove;

[0006] The front of the outer cover plate is evenly and equidistantly provided with a plurality of outer light grooves, and the back of the inner cover plate is evenly and equidistantly provided with a plurality of inner light grooves, the centers of the outer light grooves and the inner light grooves are aligned, the inner diameter of the outer light grooves is larger than that of the inner light grooves, and the centers of the outer light grooves and the inner light grooves are aligned with the center of the lamp hole;

[0007] A transparent light-transmitting thin plate is arranged between the outer light groove and the inner light groove.

[0008] Furthermore, the centers of the outer groove, the inner groove and the middle groove are all aligned.

[0009] Furthermore, four screw holes are arranged around the surface of the outer groove, and the four screw holes are evenly and symmetrically distributed with the center of the outer groove as the symmetry center.

[0010] Furthermore, stepped through holes penetrating the outer cover plate are arranged around the surface of the outer cover plate, and the stepped through holes are aligned with the screw holes.

[0011] Furthermore, the centers of the outer cover plate, the inner cover plate and the sealing gasket are aligned, and the thickness of the sealing gasket is 1-2 mm greater than the depth of the middle groove.

[0012] Furthermore, the thickness of the outer cover plate is consistent with the depth of the outer groove, and the thickness of the inner cover plate is consistent with the depth of the inner groove.

[0013] Furthermore, the inner diameter of the outer light groove is 1.2-1.5 times the inner diameter of the inner light groove, and the inner diameter of the inner light groove is consistent with the inner diameter of the lamp hole.

[0014] The beneficial effects of the utility model are as follows: the circuit board is installed in the handle, the indicating top on the circuit board is exposed through the lamp hole, the outer cover plate is detachably installed in the outer groove by bolts, the inner cover plate enters the inner groove, the sealing gasket enters the middle groove, the outer cover plate, the inner cover plate and the sealing gasket jointly cover the lamp hole and the indicator light, the sealing gasket has a good sealing effect, the light emitted by the indicator light can be seen by the user through the inner light groove, the light-transmitting thin plate and the outer light groove, the outer cover plate, the inner cover plate and the sealing gasket completely seal the gap between the lamp hole and the indicator light, which can effectively prevent moisture in the air from contacting the internal circuit board through the gap between the lamp hole and the indicator light, and the sealing of the connection between the handle and the indicator light is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the handle of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the handle of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the outer groove of the utility model;

[0018] Figure 4 It is a three-dimensional diagram of the outer cover plate of the utility model;

[0019] Figure 5 It is a three-dimensional diagram of the sealing gasket of the utility model.

[0020] In the figure: 1. handle; 11. outer groove; 12. inner groove; 121. lamp hole; 13. middle groove; 14. screw hole; 2. outer cover plate; 21. step through hole; 22. outer light groove; 23. light-transmitting thin plate; 3. inner cover plate; 31. inner light groove; 4. sealing gasket; 5. indicator light. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] like Figure 1-5 As shown, a functional indicator light fixing structure of an electric toothbrush comprises a handle 1 and an outer cover plate 2, a rectangular outer groove 11 is arranged on the front of the handle 1, a rectangular inner groove 12 is arranged on the front of the outer groove 11, a plurality of lamp holes 121 penetrating the handle 1 are evenly and equidistantly arranged on the front of the inner groove 12, when the circuit board is installed in the inner cavity of the handle 1, the indicator light 5 on the circuit board is just exposed through the lamp hole 121, and a rectangular middle groove 13 is also arranged on the front of the outer groove 11, and the middle groove 13 is close to the inner groove 12;

[0024] An inner cover plate 3 is disposed on the side of the outer cover plate 2, the outer cover plate 2 is matched with the outer groove 11, the inner cover plate 3 is matched with the inner groove 12, and a rectangular sealing gasket 4 is also disposed on the side of the outer cover plate 2, the sealing gasket 4 is close to the inner cover plate 3, and the sealing gasket 4 is matched with the middle groove 13. When the outer cover plate 3 is installed in the outer groove 11, the inner cover plate 3 just enters the inner groove 12, and the sealing gasket 4 just enters the middle groove;

[0025] The front of the outer cover plate 2 is evenly and equidistantly provided with a plurality of outer light grooves 22, and the back of the inner cover plate 3 is evenly and equidistantly provided with a plurality of inner light grooves 31, the centers of the outer light grooves 22 and the inner light grooves 31 are aligned, the inner diameter of the outer light grooves 22 is larger than the inner light grooves 31, the centers of the outer light grooves 22 and the inner light grooves 31 are aligned with the center of the lamp hole 121, the inner light groove 31 is used to accommodate the indicator light 5, and the light emitted by the indicator light 5 can pass through the inner light groove 31, the light-transmitting thin plate 23 and the outer light groove 22;

[0026] A transparent light-transmitting thin plate 23 is disposed between the outer light groove 22 and the inner light groove 31 . The light-transmitting thin plate 23 itself is a part of the outer cover plate 2 .

[0027] The centers of the outer groove 11, the inner groove 12 and the middle groove 13 are all aligned.

[0028] Four screw holes 14 are arranged around the surface of the outer groove 11 , and the four screw holes 14 are evenly and symmetrically distributed with the center of the outer groove 11 as the symmetry center.

[0029] The surface of the outer cover plate 2 is provided with stepped through holes 21 penetrating the outer cover plate 2 . The stepped through holes 21 are aligned with the screw holes 14 . The screw holes 14 are passed through the stepped through holes 21 and screwed into the screw holes 14 to achieve a detachable connection between the outer cover plate 2 and the outer groove 11 .

[0030] The centers of the outer cover plate 2, the inner cover plate 3 and the sealing gasket 4 are aligned. The thickness of the sealing gasket 4 is 1-2 mm greater than the depth of the middle groove 13. When the sealing gasket 4 enters the middle groove 13, the sealing gasket 4 is squeezed and can fill the middle groove 13, thereby having a higher sealing performance.

[0031] The thickness of the outer cover plate 2 is consistent with the depth of the outer groove 11 , and the thickness of the inner cover plate 3 is consistent with the depth of the inner groove 12 .

[0032] The inner diameter of the outer light groove 22 is 1.2-1.5 times the inner diameter of the inner light groove 31 , so that the light can expand in the outer light groove 22 . The inner diameter of the inner light groove 31 is consistent with the inner diameter of the lamp hole 121 .

[0033] To sum up: the circuit board is installed in the handle 1, the indicator top 5 on the circuit board is exposed through the lamp hole 121, the outer cover 2 is detachably installed in the outer groove 11 by bolts, the inner cover 3 enters the inner groove 12, and the sealing gasket 4 enters the middle groove 13. The outer cover 2, the inner cover 3 and the sealing gasket 4 jointly cover the lamp hole 121 and the indicator light 5, and the sealing gasket 4 has a good sealing effect. The light emitted by the indicator light 5 can pass through the inner light groove 21, the light-transmitting thin plate 23 and the outer light groove 22 and be seen by the user. The outer cover 2, the inner cover 3 and the sealing gasket 4 completely seal the gap between the lamp hole 121 and the indicator light 5, which can effectively prevent moisture in the air from contacting the internal circuit board through the gap between the lamp hole 121 and the indicator light 5, and the sealing of the connection between the handle 1 and the indicator light 5 is greatly improved.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A function indicator light fixing structure for an electric toothbrush, characterized in that: The invention comprises a handle (1) and an outer cover plate (2), wherein the front of the handle (1) is provided with a rectangular outer groove (11), the front of the outer groove (11) is provided with a rectangular inner groove (12), the front of the inner groove (12) is provided with a plurality of lamp holes (121) penetrating the handle (1) at even intervals, and the front of the outer groove (11) is also provided with a rectangular middle groove (13), and the middle groove (13) is close to the inner groove (12); An inner cover plate (3) is disposed on the side of the outer cover plate (2), the outer cover plate (2) is matched with the outer groove (11), and the inner cover plate (3) is matched with the inner groove (12); a rectangular sealing gasket (4) is also disposed on the side of the outer cover plate (2), the sealing gasket (4) is close to the inner cover plate (3), and the sealing gasket (4) is matched with the middle groove (13); The front side of the outer cover plate (2) is evenly and equidistantly provided with a plurality of outer light grooves (22), and the back side of the inner cover plate (3) is evenly and equidistantly provided with a plurality of inner light grooves (31), the centers of the outer light grooves (22) and the inner light grooves (31) are aligned, the inner diameter of the outer light groove (22) is larger than that of the inner light groove (31), and the centers of the outer light grooves (22) and the inner light grooves (31) are both aligned with the center of the lamp hole (121); A transparent light-transmitting thin plate (23) is arranged between the outer light groove (22) and the inner light groove (31).

2. The function indicator light fixing structure of an electric toothbrush according to claim 1, characterized in that: The centers of the outer groove (11), the inner groove (12) and the middle groove (13) are all aligned.

3. The function indicator light fixing structure of an electric toothbrush according to claim 1, characterized in that: Four screw holes (14) are arranged around the surface of the outer groove (11), and the four screw holes (14) are evenly and symmetrically distributed with the center of the outer groove (11) as the symmetry center.

4. The function indicator light fixing structure of an electric toothbrush according to claim 3, characterized in that: The surface of the outer cover plate (2) is provided with stepped through holes (21) penetrating the outer cover plate (2) on all sides, and the stepped through holes (21) are aligned with the screw holes (14).

5. The function indicator light fixing structure of an electric toothbrush according to claim 1, characterized in that: The centers of the outer cover plate (2), the inner cover plate (3) and the sealing gasket (4) are all aligned, and the thickness of the sealing gasket (4) is 1-2 mm greater than the depth of the middle groove (13).

6. The function indicator light fixing structure of an electric toothbrush according to claim 1, characterized in that: The thickness of the outer cover plate (2) is consistent with the depth of the outer groove (11), and the thickness of the inner cover plate (3) is consistent with the depth of the inner groove (12).

7. The function indicator light fixing structure of an electric toothbrush according to claim 1, characterized in that: The inner diameter of the outer light groove (22) is 1.2-1.5 times the inner diameter of the inner light groove (31), and the inner diameter of the inner light groove (31) is consistent with the inner diameter of the lamp hole (121).

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