Luminous function key

Abstract

The utility model discloses a light-emitting function key, which comprises a circuit board, an encoder fixed on the circuit board and a support seat buckled on the outer side wall of the encoder, a lamp source is further fixed on the circuit board, the lamp source surrounds the periphery of the encoder, an annular light guide ring is covered above the lamp source, and the light guide ring is fixed on the support seat. A light-transmitting ring is arranged above the light guide ring, the light-transmitting ring and the supporting seat are integrally fixed, and a key is arranged in the middle of the supporting seat. Through mutual matching of the light guide ring and the light transmitting ring, the effects of uniform light guide, large light transmitting area and high brightness of light rays emitted by the lamp source are achieved, and the whole LED lamp is attractive in appearance.

Description

Technical Field

[0001] The utility model belongs to the technical field of function keys, and in particular relates to a luminous function key. Background Art

[0002] An illuminated function key refers to a function key with a built-in light-emitting structure that can make the function key emit light. Existing illuminated function keys usually have a light-emitting element (such as a light-emitting diode) on the circuit board that extends directly into the inside of the switch to achieve the light-emitting effect. Generally, an intermediate structure of the function key is provided to provide a guiding force for the up and down movement of the guide core. Therefore, existing illuminated function keys usually embed a light-emitting element on the side of the function key to make the function key produce a light effect. However, since the internal structure design of the function key has a light-shielding effect, the light will not spread to the middle and outside of the push button switch, resulting in poor lighting effect of the entire function key. Utility Model Content

[0003] The utility model provides a luminous function key to solve the problem of poor luminous effect of the function key in the prior art solution.

[0004] A luminous function key comprises a circuit board, an encoder fixed on the circuit board, and a support seat snapped onto the outer wall of the encoder. A light source is also fixed on the circuit board, and the light source surrounds the outer periphery of the encoder. An annular light guide ring is provided above the light source, and an annular light transparent ring is provided above the light guide ring. The light transparent ring is fixed integrally with the support seat, and a button is provided in the middle of the support seat.

[0005] Preferably, the inner side wall of the light guide ring is provided with a plurality of convex columns to reflect the light emitted by the lamp source multiple times.

[0006] Preferably, the light-transmitting ring and the light-guiding ring at least partially overlap in the vertical direction, so that the vertically upward light emitted by the light-guiding ring enters the light-transmitting ring.

[0007] Preferably, the top of the light-transmitting ring is radially enlarged so that the light-transmitting ring can be clamped in the through hole of the body, so as to expose the button and part of the light-transmitting ring to the outside of the body.

[0008] Preferably, a card block is provided on the inner side wall of the support seat, and a card slot is provided on the corresponding outer side wall of the encoder, and the card block cooperates with the card slot to realize positioning of the light-transmitting ring during rotation.

[0009] Preferably, the key comprises a key cap and a pressing column extending downwardly from the key cap, and the pressing column abuts against an elastic switch fixed on the circuit board.

[0010] Preferably, a gap of a certain height is left between the lower end surface of the key cap and the upper end surface of the support seat to provide space for the key cap to move downward.

[0011] Preferably, the height of the gap between the lower end surface of the key cap and the upper end surface of the support seat is greater than the measuring range of the elastic switch.

[0012] Preferably, the key cap has a guide plate extending downwardly and penetrating the circuit board, and the bottom of the guide plate is connected to a hook block; when the key returns to its original position under the force of the elastic switch, the hook block abuts against the bottom of the circuit board.

[0013] Preferably, the key cap has a guide column extending downwardly and penetrating the circuit board.

[0014] The utility model has the following beneficial effects:

[0015] The utility model provides a light-emitting function key, including a circuit board, an encoder fixed on the circuit board, a support seat buckled on the outer wall of the encoder, a light source fixed on the circuit board, the light source surrounds the outer periphery of the encoder, an annular light guide ring is provided above the light source, an annular light-transmitting ring is provided above the light guide ring, the light-transmitting ring is fixed integrally with the support seat, and a button is provided in the middle of the support seat. The utility model realizes the effect of uniform light guide, large light-transmitting area, and strong brightness of the light emitted by the light source through the mutual cooperation of the light guide ring and the light-transmitting ring, and the overall appearance is beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art description. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In addition, in the drawings, the same parts are marked with the same reference numerals, and the drawings are not drawn according to the actual scale.

[0017] Figure 1 This is a structural diagram of the luminous function key of a specific embodiment of the utility model;

[0018] Figure 2 It is an exploded structural diagram of the luminous function key of a specific embodiment of the utility model;

[0019] Figure 3 This is a longitudinal cross-sectional structural diagram of a luminous function key according to a specific embodiment of the utility model;

[0020] Figure 4 This is a structural diagram of a light guide ring in a specific embodiment of the utility model;

[0021] Figure 5It is a structural diagram of the buttons of a specific embodiment of the utility model.

[0022] Description of Figure Numbers

[0023] 100-luminous function keys;

[0024] 110-circuit board; 111-elastic switch;

[0025] 120-encoder; 121-card slot;

[0026] 130-support seat; 131-block;

[0027] 140-light source;

[0028] 150-light guide ring; 151-convex column;

[0029] 160- aperture;

[0030] 170-button; 171-keycap; 172-pressing column; 173-guide plate; 1731-hook block; 174-guide column. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments disclosed in the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present utility model.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. Specific embodiments

[0034] like Figure 1-Figure 5 As shown, this embodiment provides a light-emitting function key (100), comprising a circuit board (110), an encoder (120) fixed on the circuit board (110), and a support base (130) snapped onto the outer wall of the encoder (120); a light source (141) is also fixed on the circuit board (110); the light source (141) surrounds the outer periphery of the encoder (120); an annular light guide ring (150) is provided above the light source (141); an annular light-transmitting ring (160) is provided above the light guide ring (150); the light-transmitting ring (160) is fixed to the support base (130) in an integrated manner; and a key (170) is provided in the middle of the support base (130).

[0035] In the present embodiment, the light emitted by the light source (141) is reflected and refracted by the light guide ring (150) and then uniformly diffused outwards, wherein the light emitted upwards enters the light-transmitting ring (160) above the light guide ring (150) and diffuses outwards along the light-transmitting ring (160), so that the light diffused along the light-transmitting ring (160) presents a visual experience of uniform brightness; and the light-transmitting ring (160) is integrally fixed to the support base (130), and the light-emitting function key (100) can be adjusted to multiple gears by rotating the light-transmitting ring (160), and the light-transmitting ring (160) surrounds the side of the key (170), and has a large light-transmitting area, which is convenient for users to operate in a dark environment.

[0036] Please refer to Figure 4 In a more preferred embodiment, the inner side wall of the light guide ring (150) is provided with a plurality of convex columns (151) to reflect the light emitted by the light source (141) multiple times. Specifically, after the light emitted by the light source (141) is reflected multiple times by the convex columns (151), the light becomes more dispersed, so that the light emitted along the light-transmitting ring (160) becomes softer. Preferably, the convex columns (151) are in a regular polygonal structure and are evenly distributed on the inner side wall of the light guide ring (150).

[0037] Please refer to Figure 3 In a more preferred embodiment, the light-transmitting ring (160) and the light-guiding ring (150) at least partially overlap in the vertical direction, so that the vertically upward light emitted by the light-guiding ring (150) enters the light-transmitting ring (160), thereby allowing the light to be emitted to the top of the light-transmitting ring (160), presenting a top-emitting visual effect.

[0038] Combination Figure 1-Figure 3 In a more preferred embodiment, the top of the light-transmitting ring (160) is radially enlarged so that the light-transmitting ring (160) can be clamped in the through hole of the body, so as to expose the button (170) and part of the light-transmitting ring (160) to the outside of the body.

[0039] Please refer to Figure 2 In a more preferred embodiment, a card block (131) is provided on the inner side wall of the support base (130), and a corresponding card slot (121) is provided on the outer side wall of the encoder (120), and the card block (131) cooperates with the card slot (121) to realize the positioning of the light-transmitting ring (160) when it rotates. Specifically, the rotation of the light-transmitting ring (160) can drive the support base (130) and the encoder (120) to rotate relative to each other, thereby realizing the multi-gear adjustment of the luminous function key (100). Preferably, the card blocks (131) are evenly distributed on the inner side wall of the support base (130), and the corresponding card slots (121) are evenly distributed on the outer side wall of the encoder (120), so that the light-transmitting ring (160) can rotate 360 ​​degrees.

[0040] Please refer to Figure 3 , Figure 5 In a more preferred embodiment, the key (170) includes a key cap (171) and a pressing column (172) extending downward from the key cap (171), and the pressing column (172) abuts against an elastic switch (111) fixed on the circuit board (110). Specifically, when the key (170) is pressed downward, the pressing column (172) pushes the elastic switch (111) to move downward, and the elastic switch (111) is compressed; when the key (170) is released, the elastic switch (111) extends, and the elastic switch (111) pushes the pressing column (172) upward, so that the key (170) returns to its original position.

[0041] Please refer to Figure 3 , Figure 5 In a more preferred embodiment, a gap of a certain height is left between the lower end surface of the key cap (171) and the upper end surface of the support seat (130) to provide space for the key cap (171) to move downward.

[0042] Please refer to Figure 3 In a more preferred embodiment, the height of the gap between the lower end surface of the key cap (171) and the upper end surface of the support seat (130) is greater than the range of the elastic switch (111) to ensure that the key cap (171) has sufficient displacement to activate the elastic switch (111).

[0043] Please refer to Figure 3 , Figure 5 In a more preferred embodiment, the key cap (171) extends downward to have a guide plate (173) penetrating the circuit board (110), and the bottom of the guide plate (173) is connected to a hook block (1731); when the key (170) returns to its original position under the action of the elastic switch (111), the hook block (1731) contacts the bottom of the circuit board (110). Specifically, when the key (170) is released, the key (170) moves upward under the elastic force of the elastic switch (111), and at this time, the hook block (1731) can limit the key (170) to prevent the key (170) from being separated from the light-transmitting ring (160) under the action of the elastic force. More specifically, when the key (170) is reset, the key cap (171) is flush with the top of the light-transmitting ring (160).

[0044] Please refer to Figure 3 , Figure 5 In a more preferred embodiment, the key cap (171) has a guide column (174) extending downwardly and penetrating the circuit board (110) to provide precise guidance for the key (170) when it moves up and down, thereby ensuring that the height of both ends of the key (170) is balanced during movement, providing a better hand feel.

[0045] The above are only specific embodiments of the present invention, so that those skilled in the art can understand or implement the present disclosure. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A light-emitting function key, comprising a circuit board (110), an encoder (120) fixed on the circuit board (110), and a support seat (130) snapped onto an outer side wall of the encoder (120), characterized in that: A light source (141) is also fixed on the circuit board (110), and the light source (141) surrounds the outer periphery of the encoder (120). An annular light guide ring (150) is provided above the light source (141), and an annular light-transmitting ring (160) is provided above the light guide ring (150). The light-transmitting ring (160) is fixed integrally with the support seat (130), and a button (170) is provided in the middle of the support seat (130).

2. The luminous function key according to claim 1, characterized in that: The inner side wall of the light guide ring (150) is provided with a plurality of convex columns (151) for multiple reflection of the light emitted by the light source (141).

3. The luminous function key according to claim 1, characterized in that: The light-transmitting ring (160) at least partially overlaps with the light-guiding ring (150) in the vertical direction, so that the vertically upward light emitted by the light-guiding ring (150) enters the light-transmitting ring (160).

4. The luminous function key according to claim 3, characterized in that: The top of the light-transmitting ring (160) is radially enlarged, so that the light-transmitting ring (160) can be clamped in the through hole of the body, so as to expose the button (170) and part of the light-transmitting ring (160) to the outside of the body.

5. The luminous function key according to claim 1, characterized in that: The inner wall of the support seat (130) is provided with a card block (131), and the outer wall of the corresponding encoder (120) is provided with a card slot (121), and the card block (131) cooperates with the card slot (121) to achieve positioning of the light-transmitting ring (160) during rotation.

6. The luminous function key according to claim 1, characterized in that: The key (170) comprises a key cap (171) and a pressing column (172) extending downwardly along the key cap (171); the pressing column (172) abuts against an elastic switch (111) fixed on the circuit board (110).

7. The luminous function key according to claim 6, characterized in that: A gap of a certain height is left between the lower end surface of the key cap (171) and the upper end surface of the support seat (130) to provide space for the key cap (171) to move downward.

8. The luminous function key according to claim 7, characterized in that: The height of the gap between the lower end surface of the key cap (171) and the upper end surface of the support seat (130) is greater than the measuring range of the elastic switch (111).

9. The luminous function key according to claim 6, characterized in that: The key cap (171) extends downward to form a guide plate (173) that penetrates the circuit board (110), and the bottom of the guide plate (173) is connected to a hook block (1731); when the key (170) returns to its original position under the action of the elastic switch (111), the hook block (1731) abuts against the bottom of the circuit board (110).

10. The luminous function key according to claim 6, characterized in that: The key cap (171) has a guide column (174) extending downwardly and penetrating the circuit board (110).

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