CN113808500A

CN113808500A - Display panel assembly of oral cavity cleaning appliance and oral cavity cleaning appliance

Info

Publication number: CN113808500A
Application number: CN202010541360.8A
Authority: CN
Inventors: 李冬保
Original assignee: Jiangxi Ruishengte Technology Co ltd
Current assignee: Jiangxi Ruishengte Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-12-17

Abstract

A hidden display panel assembly of an oral cleaning appliance comprises a light-transmitting display panel; at least one light emitting element provided inside the display panel; the outer surface of the display panel is provided with a color development layer for enabling the display panel to present required visual colors; the inner surface of the display panel is provided with a light shielding layer for blocking light from passing through; wherein the light shielding layer is provided with a laser etching area for representing marks of a plurality of states of the oral cleaning appliance, the laser etching area extends to the inner surface of the display panel, and light generated by the light-emitting element can be seen by a user through the laser etching area, the display panel and the color development layer.

Description

Display panel assembly of oral cavity cleaning appliance and oral cavity cleaning appliance

Technical Field

The invention belongs to the technical field of display, and particularly relates to a display panel assembly of an oral cleaning appliance and the oral cleaning appliance.

Background

There is typically a user display panel on the handle of the oral cleaning implement, and the user is provided with indicia associated with various states via the display panel, for example, the display panel of the oral cleaning implement displays different cleaning modes or brush head speeds and amplitudes, and power levels, etc. via the indicia.

Some oral cleaning implements have a hidden display panel that is completely blank and does not display any indicia when the oral cleaning implement is closed, and that is illuminated by light when the oral cleaning implement is activated, which increases the appeal and aesthetics of the oral cleaning implement.

The mark of the hidden display panel in the prior art is formed on the outer layer of the handle, is easy to scratch, and the attractiveness is reduced after the hidden display panel is used for a period of time. And the mark is generally formed by laser etching, laser etching traces on the outer surface of the shell can be seen from certain visual angles, the hiding effect is influenced, the outer surface of the display panel after laser etching is not flat, and the use hand feeling is not good. In addition, the hidden display panel in the prior art requires the handle to be translucent or transparent, and then the whole handle is coated, which is high in cost. The LED lamp body under a certain mark can also generate light shadow with certain brightness when emitting light, so that marks of adjacent areas emit light to cause user confusion, and the direct light of the LED lamp is uneven and dazzling.

Disclosure of Invention

In view of the technical problems in the prior art, it is an object of the present invention to provide a display panel assembly of an oral cleaning appliance, which can solve at least or partially at least one of the above-mentioned disadvantages in the prior art.

In order to achieve the above object, the present invention is achieved by the following technical means.

This technical scheme is a display panel subassembly of oral cavity cleaning device, its characterized in that includes:

a light-transmissive display panel;

at least one light emitting element provided inside the display panel;

the outer surface of the display panel is provided with a color development layer for enabling the display panel to present required visual colors;

the inner surface of the display panel is provided with a light shielding layer for blocking light from passing through;

wherein the light shielding layer is provided with a laser etching area for representing marks of a plurality of states of the oral cleaning appliance, the laser etching area extends to the inner surface of the display panel, and light generated by the light-emitting element can be seen by a user through the laser etching area, the display panel and the color development layer.

The technical effect of the technical scheme is that the mark is formed on the inner surface of the display panel, the outer wall of the shell cannot avoid scraping and wearing in the use process of a user, but the mark on the inner surface cannot scrape and wear, so that the aesthetic feeling of the oral cleaning appliance is ensured. The mark is formed on the outer surface of the display panel, laser etching traces on the outer surface of the display panel can be seen at certain visual angles, the hiding effect is influenced, and the hiding effect of the mark formed on the inner surface is better. In addition, the mark formed on the outer surface of the display panel can cause the unevenness of the outer surface, the use hand feeling is not good, and the hand feeling of the display panel formed on the inner surface is better. The outer surface of the display panel is coated with a color development layer, and when the light-emitting element is not illuminated, the mark formed on the inner surface of the display panel is shielded by the color development layer and is not seen by a user, so that the effect of hiding the mark is achieved.

In one example of this solution, the display panel is made of a transparent or translucent material.

In one example of this technical solution, the color-developing layer is an electroplated layer and/or a color coating layer.

The color development layer can be an electroplated layer, so that the surface of the display panel presents metal luster; or the color development layer is a color coating layer, so that the appearance of the display panel presents the required visual color; or the color development layer is an electroplated layer and a color coating layer, so that the bottom color of the color coating layer is the color of the electroplated layer, and the appearance of the display panel is in a color with metal color.

In an example of the technical solution, the display panel further comprises a protective coating layer covering the color development layer, wherein the protective coating layer is a clear coating layer made of polyurethane or similar materials and is used for protecting the display panel from abrasion.

In one example of this solution, the light emitting element is an LED, and the LED has two states of emitting light and non-emitting light, the light emitting state being used to illuminate the indicia of the selected operating mode, and the non-light emitting state being used to correspond to the indicia of the non-selected operating mode. The mark corresponding to the selected operation mode is displayed by the different states of the light emitting elements.

The invention provides an oral cleaning appliance, which comprises a handle and a brush head detachably connected with the handle, wherein the handle comprises a shell and a hidden display panel component arranged on the shell; at least one light-emitting element and a light shielding member are arranged in the inner cavity of the shell, the light shielding member is arranged around the light-emitting elements and limits the light of each light-emitting element to the associated mark, and a through hole is formed in one side of the shell corresponding to the light-emitting elements; the handle further comprises a waterproof seal covering the through hole of the housing; the display panel is arranged on the waterproof sealing piece and is connected with the shell in an installing mode, and light rays of the light-emitting elements penetrate through the waterproof sealing piece and irradiate the relevant marks on the display panel.

The technical scheme has the advantages that the display panel is independent of the shell, the mark is formed on the display panel, the process is simplified, the shell does not need to be processed, and more process choices such as laser engraving or screen printing can be selected to flexibly adjust the shape of the mark; the shell can be made of materials with the light shading function through injection molding, and the cost is low. Or the shell is transparent or semitransparent, and then the surface of the shell is coated with a coating layer, so that the shading effect is achieved. The sealing waterproof piece can cover the through hole on the shell in an integral injection molding or bonding mode to realize the internal sealing of the shell, so that external liquid is prevented from permeating into the shell through the gap between the switch button and the display panel, and the reliability is high; meanwhile, the light equalizing function is achieved, light leakage or hot spot illumination can be avoided, and a user is not easy to confuse which mode is actually selected.

In one example of this solution, the sealing and waterproofing member is provided with a protrusion for activating the switch.

In one example of this solution, the waterproof seal is a transparent or translucent waterproof seal soft rubber. The transparent or semitransparent sealing waterproof piece can enable light rays of the light-emitting element to pass through, and meanwhile, the light-equalizing effect is achieved, light leakage or hot spot illumination can be avoided, and a user cannot easily confuse which mode is actually selected.

In an example of the technical solution, the color development layer and the housing have the same or similar appearance color, and since the two adopt the same or similar colors, when the light emitting element is not illuminated, the visual colors of the handle housing and the display panel can be consistent, and a better hiding effect is achieved.

In an example of the technical solution, the handle further includes a key, and the key includes a switch key and a mode selection key.

Furthermore, the display panel is provided with a key mounting hole and a key mounting groove on the inner wall of the side edge of the key mounting hole, an annular bulge is arranged on the circumferential direction of the key, and the annular bulge is buckled into the key mounting groove, so that the key is mounted on the display panel. The key and the display panel are combined to share one sealing waterproof piece, connection and waterproof treatment are not needed, and the process steps and the water leakage risk are reduced.

The oral cleaning implement of the present invention may be an electric toothbrush, a tooth irrigator, or the like.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and the drawings in the following description are only directed to some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a view of the electric toothbrush in an embodiment of the present application, now in an unpowered closed state.

Fig. 2 is a view of the electric toothbrush in the embodiment of the present application, when in an energized on state.

Fig. 3 is a cross-sectional view of the electric toothbrush in an embodiment of the present application.

Fig. 4 is a structural view of the electric toothbrush with the display panel and the waterproof seal member disassembled in the embodiment.

Fig. 5 is an enlarged view of a portion a in fig. 3.

Fig. 6 is an enlarged view of a portion B in fig. 3.

FIG. 7 is a cross-sectional view of one embodiment of a display panel of the electric toothbrush of the examples.

FIG. 8 is a cross-sectional view of one embodiment of a display panel of the electric toothbrush of the examples.

FIG. 9 is a cross-sectional view of one embodiment of a display panel of the electric toothbrush of the examples.

FIG. 10 is a cross-sectional view of one embodiment of a display panel of the electric toothbrush of the examples.

FIG. 11 is a cross-sectional view of one embodiment of a display panel of the electric toothbrush of the examples.

Fig. 12 is an example of indicia that may be employed in the powered toothbrush of the embodiments to indicate status in a pattern.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, technical solutions between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the scope of the disclosure of the present invention.

In the following description, suffixes such as "module", "part", "assembly", or "unit" are used only for convenience of description of the present invention, and have no specific meaning by themselves, and thus may be used mixedly.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

As shown in fig. 1-4, this embodiment is a power toothbrush comprising a handle 10 and a head 20 removably attached to the handle, the head 20 generally comprising an elongated neck 21 attached to the handle and a head 22 having bristles for cleaning teeth.

The bottom of the handle 10 may also be fitted with a base 30, the base 30 being used to house and charge the electric toothbrush.

As shown in fig. 3 and 4, the handle 10 includes a housing 11 and a display panel 12, an inner cavity 111 is formed inside the housing 11, a motor 13, a power supply 14, a circuit board 15 and a movement bracket 16 are disposed in the inner cavity, and the motor, the power supply and the circuit board are all mounted on the movement bracket 16. A drive shaft 131 of the motor extends out of the upper end of the housing for connection to the brush head 20.

The circuit board 15 is provided with an on/off switch 151 and a mode selection switch 152. The cavity is further provided with at least one light emitting element 153, the light emitting elements 153 are electrically connected with the circuit board 15, light shielding members 17 are arranged among the light emitting elements, the light shielding members 17 isolate light of each light emitting element and limit the light to the associated mark, the light is prevented from being mixed to cause the illumination of the unassociated mark, and a user is prevented from being confused, and the light shielding members 17 can be EVA cotton or other materials.

The light emitting element 153 is an LED, and the LED has two states of emitting light and non-emitting light, the light emitting state being used to illuminate the indicia of the selected operation mode, and the non-light emitting state being used to correspond to the indicia of the unselected operation mode.

An injection molded recess 112 is provided in the outer wall of the housing 11, and a through hole 113 is provided in the recess to allow the light emitting element 153, the on/off switch 151, and the mode selection switch 152 to be visible. The groove 112 is injection molded with a waterproof seal 18 that fills in and mates with the groove while covering the through hole.

Optionally, the housing 11 is injection molded from a material having a light shielding effect. Optionally, the housing 11 is a transparent or semitransparent housing, and then a paint layer is coated on the surface of the housing 11 to achieve a shading effect.

In this embodiment, the mode of the waterproof seal 18 that forms is moulded plastics in the recess of casing is adopted, through being connected waterproof seal and casing as an organic whole, has reached seamless purpose between waterproof seal and casing to realized the inside seal of casing, inside avoiding external liquid to pass through the clearance infiltration casing of shift knob, display panel department, effectively protected motor and electronic components in the casing, safety, reliability height.

As shown in fig. 3 and 4, the waterproof seal 18 is provided with a projection 181 for the on/off switch and the mode selection switch. When the button is pressed by a finger, the waterproof seal member is pressed downward, and the protrusion 181 is moved downward, so that the switch is pressed by the protrusion 181, and the on/off switch 151 and the mode selection switch 152 may be tact switches.

The waterproof seal member 18 may be a transparent or translucent waterproof seal member, which allows light generated by the light emitting element to pass therethrough, and has a uniform light effect. The waterproof seal 18 may be of a variety of colors to provide a color change to the light.

As shown in fig. 4 and 6, the display panel 12 is disposed on the waterproof sealing member 18 and is connected to the housing 11, the display panel 12 has marks 121 with a set shape, each mark 121 corresponds to an LED, the LED can be in various colors, when the electric toothbrush is activated, the mark 121 corresponding to the selected operation mode on the display panel 12 is illuminated and can be seen by a user, and the mark 121 can be used to display information such as the current operation mode of the electric toothbrush, the parameters of the movement of the brush head in the operation mode, the amount of electricity, and the like.

The handle 10 further includes a button 19, and the button 19 is used to press the protrusion 181 on the waterproof sealing member 18, so that the protrusion 181 moves downward, and the on/off switch 151 and the mode selection switch 152 are activated by the pressing of the protrusion 181, thereby controlling the rotation speed of the motor 13 and the brightness of the light emitting element 153. The keys 19 include an on/off key 191 and a mode selection key 192, which correspond to the on/off switch 151 and the mode selection switch 152, respectively. Wherein the switch for activating or deactivating the oral cleaning implement and the button means for mode or state selection may be a functional grouping into one component.

As shown in fig. 1, in the off state of the electric toothbrush, the display panel 12 is generally blank and no indicia is visible to the user on the display panel. When the electric toothbrush is in the power-on state, the light emitting elements under the display panel are lit, as shown in fig. 2, the user can see on the display panel 12 the marks 121 indicating the operation modes, such as the literal marks "CLEAN", "POLISH", and "GUM CARE" in fig. 2 expressing the mode of the electric toothbrush, when the electric toothbrush is activated, the operation mode selected by the electric toothbrush, for example, the operation mode of cleaning is selected, the LED corresponding to the mark "CLEAN" emits light to generate light, and the mark "CLEAN" is displayed at high brightness so as to be distinguished from other marks, which are switched by pressing the mode selection switch 152.

Optionally, when a corresponding pattern mark is set in the corresponding operation mode, for example, when the text mark "CLEAN" is lighted, the pattern mark corresponding to the CLEAN can be lighted at the same time, so that the display of the display panel is diversified and the appearance is more beautiful, as shown in fig. 12, some examples of the lighted pattern mark that can be used are given.

As shown in fig. 3 and 4, the inner wall of the display panel 12 is provided with a key mounting groove 122 and a key mounting hole 123, and an annular protrusion 193 is provided at the periphery of the key 19, and the annular protrusion 193 is inserted into the key mounting groove 122 to allow the key 19 to enter the key mounting hole 123, so that the key 19 is mounted on the display panel.

The keys 19 are mounted together with the display panel 12 over the water seal 18 while being fixed in the recess 112 of the housing. Optionally, the display panel 12 is connected with the waterproof sealing member 18 as a whole by in-mold injection, so that a gap between the display panel 12 and the waterproof sealing member can be avoided, and another optional fixing manner is that a waterproof adhesive is coated at a position where the display panel 12 is connected with the housing 11, and the display panel 12 is fixed by the waterproof adhesive.

As shown in fig. 7 to 11, the display panel 12 is made of transparent or translucent material, and the mark 121 on the display panel 12 is formed by disposing a light shielding layer 124 on the inner surface and then performing a laser etching process on the light shielding layer, wherein the light shielding layer is formed in a laser etched area of the mark having a character shape or a pattern shape, the laser etched area extends to the inner surface of the display panel, and light generated by the light emitting element can pass through the mark, so that the mark can be seen by a user after being lighted. The shading layer is arranged on the inner surface of the display panel, and can prevent the mark from being worn and scratched to form damage in the using process. The mark is formed on the outer surface of the display panel, laser etching traces on the outer surface of the display panel can be seen at certain visual angles, the hiding effect is influenced, and the hiding effect of the mark formed on the inner surface is better. In addition, the mark formed on the outer surface of the display panel can cause the unevenness of the outer surface, the use hand feeling is not good, and the hand feeling of the display panel formed on the inner surface is better. The shading layer can be a coating layer with shading effect. The display panel displays different cleaning modes or brush head speeds and amplitudes, electric quantity and the like through marks.

A color-developing layer 125 for making the display panel 12 present a desired visual color is disposed on the outer surface of the display panel 12, and when the light-emitting elements 153 are not illuminated, the marks 121 formed on the inner surface of the display panel 12 are shielded by the color-developing layer 125 and are not seen by the user, so as to achieve the effect of hiding the marks. When the light emitting device is illuminated, the light generated by the light emitting device 153 can be seen by the user through the laser etching area 121, the display panel 12 and the color-rendering layer 125.

As shown in fig. 8, in one embodiment, the color developing layer 125 is a color coating layer 125a such that the display panel exterior exhibits a desired visual color;

as shown in fig. 9, in another embodiment, the color developing layer may be an electroplated layer 125b, so that the display panel may have a metallic luster;

as shown in fig. 10, in another embodiment, the color developing layer may further include a plating layer 125a and a color paint layer 125b, and the bottom color of the color paint layer is the color of the plating layer, so that the display panel exhibits a color with a metallic tint

As shown in fig. 11, a protective coating layer 126 is coated on the color development layer 125, and the protective coating layer is a clear coating layer made of polyurethane or the like, and is used for protecting the display panel from abrasion, preventing contamination, and preventing water.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims

1. A display panel assembly of an oral cleaning appliance, comprising:

a light-transmissive display panel;

at least one light emitting element provided inside the display panel;

2. The display panel assembly of an oral cleaning implement of claim 1,

the display panel is made of transparent or semitransparent materials.

3. The display panel assembly of an oral cleaning implement of claim 1,

the color development layer is an electroplated layer and/or a color coating layer.

4. The display panel assembly of an oral cleaning implement of claim 1,

the color developing coating also comprises a protective coating layer covering the color developing layer, wherein the protective coating layer is a clear coating layer made of polyurethane or similar materials.

5. The display panel assembly of an oral cleaning implement of claim 1,

the light emitting elements are LEDs, and each mark corresponds to one LED.

6. An oral cleaning appliance, which is characterized in that,

comprising a handle and a brush head detachably connected to the handle, the handle comprising a housing and a display panel assembly of the oral cleaning appliance of any one of claims 1 to 5 disposed on the housing;

at least one light-emitting element and a light shielding member are arranged in the inner cavity of the shell, the light shielding member is arranged around the light-emitting elements and limits the light of each light-emitting element to the associated mark, and a through hole is formed in one side of the shell corresponding to the light-emitting elements;

the handle further comprises a waterproof seal covering the through hole of the housing;

the display panel is arranged on the waterproof sealing piece and is connected with the shell in an installing mode, and light rays of the light-emitting elements penetrate through the waterproof sealing piece and irradiate the relevant marks on the display panel.

7. The oral cleaning implement of claim 6,

the sealing waterproof piece is a transparent or semitransparent sealing waterproof soft rubber piece.

8. The oral cleaning implement of claim 6,

the color development layer and the shell have the same or similar appearance color.

9. The oral cleaning implement of claim 6,

the handle also comprises a key.

10. The oral cleaning implement of claim 9,

the display panel is provided with a key mounting hole and a key mounting groove in the inner wall of the side edge of the key mounting hole, an annular bulge is arranged on the circumferential direction of the key and buckled into the key mounting groove, and the key is mounted on the display panel.