CN215451245U - High-reliability salt spray resistant rubber key structure with electromagnetic compatibility and sealing - Google Patents

Abstract

The utility model discloses a high-reliability salt spray resistant rubber key structure with electromagnetic compatibility and sealing, which comprises a key panel, wherein four rubber keys are arranged above the key panel, the key panel is provided with matching holes and sink grooves corresponding to the rubber keys, the rubber keys are inserted into the key panel through the matching holes, the centers of the inner sides of the rubber keys are provided with key inner bulges, the peripheries of the rubber keys are provided with key peripheral bulges, the key panel is provided with key panel sealing grooves corresponding to the key peripheral bulges, light guide plates are arranged above the rubber keys, the left and the right of the tops of the light guide plates are provided with holes corresponding to the rubber keys one by one, and the light guide plates are provided with light guide columns corresponding to the light guide plates; the utility model provides a high-reliability salt fog resistant rubber key structure with electromagnetic compatibility and sealing, which has the performances of electromagnetic compatibility, sealing, high reliability, salt fog resistance and the like, can adjust the hand feeling of a single key, and has the advantages of uniform light-homogenizing effect and uniform key backlight.

Description

High-reliability salt spray resistant rubber key structure with electromagnetic compatibility and sealing

Technical Field

The utility model relates to the technical field of key structures, in particular to a high-reliability salt spray resistant rubber key structure with electromagnetic compatibility and sealing.

Background

As a switch, the rubber key is widely applied to electronic products such as computers, mobile phones, toys, remote controllers and the like due to the characteristics of good elasticity, long service life, batch processing, low cost and the like, but the common rubber key structure in the market cannot meet the requirement of special occasions requiring electromagnetic compatibility and sealing, and meanwhile, when a single product has more keys, the phenomena of poor hand feeling consistency during pressing, uneven light transmission of the keys and the like easily occur, so that the use effect and the appearance are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-reliability salt fog resistant rubber key structure with electromagnetic compatibility and sealing, which has the advantages of high-reliability salt fog resistant rubber key structure with electromagnetic compatibility and sealing, adjustable hand feeling of a single key, uniform light-homogenizing effect and uniform key backlight, and solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a mounting structure of rubber button, includes key panel, the key panel top is equipped with four rubber buttons, the rubber button top is equipped with the light guide plate, the light guide plate top is equipped with the circuit board, the circuit board top is equipped with the clamp plate, the clamp plate top left and right sides all is equipped with the screw around and, the mounting hole has been seted up with the screw correspondence to the clamp plate.

Preferably, the key panel is provided with a matching hole and a sink groove corresponding to the rubber keys, and the rubber keys are inserted into the key panel through the matching hole.

Preferably, holes are formed in the left side and the right side of the top of the light guide plate in one-to-one correspondence with the rubber keys, light guide columns are correspondingly arranged on the light guide plate, and the light guide columns are placed in the holes.

Preferably, the circuit board and the rubber keys are provided with elastic metal sheets and LED lamps in one-to-one correspondence.

Preferably, the key panel is provided with a placing groove corresponding to the light guide plate and the circuit board.

Preferably, the rubber key is provided with a key inner bulge at the center, a key peripheral bulge is arranged at the periphery of the rubber key, and a key panel sealing groove is correspondingly arranged between the key panel and the key peripheral bulge.

Compared with the prior art, the utility model has the following beneficial effects:

1. the high-reliability salt spray resistant rubber key structure with electromagnetic compatibility and sealing has the advantages that the rubber key hand feeling is adjusted through the light guide column, the pressing consistency is better, the backlight effect of the rubber key is uniform through the light guide plate, the backlight uniformity of the rubber key is good, the sealing effect is better through the matching of the peripheral bulge of the key and the sealing groove of the key panel, the rubber key of a single key can be used at different positions with different intervals according to the use requirement and is not limited by the relative position of the key, the single rubber key mould can be used at a plurality of positions under various conditions, the sealing groove of the key panel is used for filling the conductive sealing strip for secondary guarantee sealing, the integral sealing and the electromagnetic compatibility of a module can be realized, the production efficiency is improved through the modularized design and the matching, and the safety and the reliability are guaranteed through the rubber key, the key panel, the sealing groove of the key panel, the peripheral bulge of the key and the bulge inside bulge of the key, peripheral arch of rubber button and key panel go up heavy groove cooperation, play sealed, prevent salt fog, electromagnetic shield's effect, rubber button and key circuit board wholly lie in the metal seal cavity that key panel and clamp plate are constituteed, have the seal groove on the key panel simultaneously, can install electrically conductive sealing strip in the key panel seal groove, have electromagnetic compatibility, sealed, salt fog resistant function when making whole key module install on the product.

Drawings

FIG. 1 is a schematic structural diagram of a highly reliable salt spray resistant rubber key with electromagnetic compatibility and sealing according to the present invention;

FIG. 2 is a schematic structural diagram of a highly reliable salt spray resistant rubber key with electromagnetic compatibility and sealing according to the present invention;

FIG. 3 is a schematic structural diagram of a highly reliable salt spray resistant rubber key with electromagnetic compatibility and sealing according to the present invention;

FIG. 4 is a schematic structural diagram of a highly reliable salt spray resistant rubber key with electromagnetic compatibility and sealing according to the present invention;

FIG. 5 is a schematic diagram of a highly reliable salt spray resistant rubber key with electromagnetic compatibility and sealing according to the present invention;

fig. 6 is a schematic structural diagram of a high-reliability salt spray resistant rubber key with electromagnetic compatibility and sealing according to the present invention.

The figure is marked with: 1. a key panel; 2. a screw; 3. a rubber key; 4. a light guide plate; 5. a circuit board; 6. pressing a plate; 7. a light guide pillar; 8. a sealing groove of the key panel; 9. the periphery of the key is raised; 10. the inside of the key is raised.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 construed as limiting the present invention.

Example 1:

referring to fig. 1, 2, 3, 4, 5, 6, a rubber key mounting structure comprises a key panel 1, four rubber keys 3 are arranged above the key panel 1, the key panel 1 is provided with matching holes and sinking grooves corresponding to the rubber keys 3, the rubber keys 3 are inserted into the key panel 1 through the matching holes, the inner centers of the rubber keys 3 are provided with key inner protrusions 10, the peripheries of the rubber keys 3 are provided with key peripheral protrusions 9, the key panel 1 is provided with key panel sealing grooves 8 corresponding to the key peripheral protrusions 9, a light guide plate 4 is arranged above the rubber keys 3, the left and right of the top of the light guide plate 4 are provided with holes corresponding to the rubber keys 3 one by one, the light guide plate 4 is provided with light guide columns 7, the light guide columns 7 are all arranged in the holes, a circuit board 5 is arranged above the light guide plate 4, the circuit board 5 and the rubber keys 3 are provided with elastic metal sheets and LED lamps one by one, the key panel 1 is provided with a placing groove corresponding to the light guide plate 4 and the circuit board 5, a pressing plate 6 is arranged above the circuit board 5, the left side, the right side, the front side and the rear side of the top of the pressing plate 6 are provided with screws 2, and the pressing plate 6 is provided with a mounting hole corresponding to the screws 2;

specifically, the hand feeling of the rubber key 3 is adjusted through the light guide column 7, the pressing consistency is better, the backlight effect of the key is uniform through the light guide plate 4, the backlight uniformity of the rubber key 3 is good, the key peripheral bulge 9 is matched with the key panel sealing groove 8 for use, the sealing effect is better, the rubber key 3 adopting a single key can meet the use requirements at different positions with different intervals and is not limited by the relative position of the key, a single rubber key 3 mould can meet a plurality of positions and can be used under various conditions, the sealing groove of the key panel 1 is adopted for filling the conductive sealing strip for secondary guarantee of sealing, the integral sealing and electromagnetic compatibility of the module can be realized, the production efficiency is improved by adopting the modularized design and matching, and the safety and reliability are ensured through the rubber key 3, the key panel 1, the key panel sealing groove 8, the key peripheral bulge 9 and the key inner bulge 10, the use is ensured.

The working principle is as follows: the utility model relates to a rubber key mounting structure, according to the situation, four or more rubber keys 3 can be freely combined, the rubber keys 3 are pressed, the rubber keys 3 transmit the force to an elastic metal sheet on a circuit board 5 through a light guide column 7, so that the elastic metal sheet is deformed to contact the circuit board 5, the circuits on the conductive circuit board 5 are different due to the deformation quantity between the elastic metal sheets, the sizes of the rubber keys 3 are different, the condition of inconsistent hand feeling exists between the rubber keys 3 and the rubber keys 3 after the structure mounting is completed, the pressing hand feeling can be adjusted by adjusting the length of the light guide column 7, so that the hand feeling uniformity of the rubber keys 3 is basically kept the same, a point light source on the circuit board 5 can be converted into a surface light source through a light guide plate 4, the overall backlight effect of the rubber keys 3 is more uniform, and the phenomenon caused by the inconsistent distance between an LED lamp on the circuit board 5 and the rubber keys 3 is avoided, rubber key 3 designs has the peripheral arch 9 of button, with the heavy groove cooperation on the key panel 1, play waterproof, dirt-proof sealed effect, the seal groove of key panel 1 front side design can use with the sealing strip cooperation, when the rubber key 3 structure uses as single module, whole module can realize sealed with the product, thereby realize the production of modularization according to above step, simple to operate has electromagnetic compatibility, sealing performance is good, salt fog resistance, the homogeneity of feeling is unanimous, the button is whole to be shaded characteristics such as even.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a salt fog resistant rubber button structure of high reliability with electromagnetic compatibility and sealed which characterized in that: including keypad (1), keypad (1) top is equipped with four rubber button (3), rubber button (3) top is equipped with light guide plate (4), light guide plate (4) top is equipped with circuit board (5), circuit board (5) top is equipped with clamp plate (6), both sides all are equipped with screw (2) around clamp plate (6) top left and right sides reaches, clamp plate (6) correspond with screw (2) and have seted up the mounting hole.

2. The high-reliability salt fog resistant rubber key structure with electromagnetic compatibility and sealing of claim 1, wherein: the key panel (1) is provided with a matching hole and a sink groove corresponding to the rubber key (3), and the rubber key (3) is inserted into the key panel (1) through the matching hole.

3. The high-reliability salt fog resistant rubber key structure with electromagnetic compatibility and sealing of claim 1, wherein: the light guide plate is characterized in that holes are formed in the left side and the right side of the top of the light guide plate (4) in one-to-one correspondence with the rubber keys (3), light guide columns (7) are correspondingly arranged on the light guide plate (4), and the light guide columns (7) are all placed in the holes.

4. The high-reliability salt fog resistant rubber key structure with electromagnetic compatibility and sealing of claim 1, wherein: the circuit board (5) and the rubber keys (3) are provided with elastic metal sheets and LED lamps in a one-to-one correspondence mode.

5. The high-reliability salt fog resistant rubber key structure with electromagnetic compatibility and sealing of claim 1, wherein: the key panel (1) is provided with placing grooves corresponding to the light guide plate (4) and the circuit board (5).

6. The high-reliability salt fog resistant rubber key structure with electromagnetic compatibility and sealing of claim 1, wherein: the rubber key (3) inboard center all is equipped with button inside arch (10), rubber key (3) periphery all is equipped with button peripheral arch (9), key panel (1) corresponds with button peripheral arch (9) and is equipped with key panel seal groove (8).

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