CN217035471U - Luminous button structure and terminal equipment - Google Patents

Abstract

The utility model provides a light-emitting key structure and a terminal device, wherein the light-emitting key structure comprises: the light source is arranged on the shell and is used for emitting light to the outside of the shell, the other end of the key is abutted against the light guide piece, and a gap is reserved between the light guide piece and the switch piece; when the light guide part is not in contact with the switch part, the switch part is disconnected, and when the key slides until the light guide part abuts against the switch part, the switch part is closed. The key is directly assembled on the shell in a sliding mode, restoration of the key is achieved through the light guide piece, the structure is simple, and installation difficulty of the light-emitting key structure is reduced; meanwhile, the light source is arranged, so that the key can be used in the environment with poor illumination, and convenience in use of the key is improved.

Description

Luminous button structure and terminal equipment

Technical Field

The utility model relates to the technical field of electronic products, in particular to a light-emitting key structure and terminal equipment.

Background

In electronic products, a key is often used for operation, and the key usually has a light-emitting function so as to be suitable for use in an environment with poor illumination. The luminous button structure among the correlation technique sets up the leaded light layer with the light guide button, and the button slides and assembles in the shell, and the button realizes reseing after the shell slides certain distance through setting up elastic component such as spring, however, sets up the elastic component in luminous button structure and makes its structure complicated, and luminous button structure's the installation degree of difficulty is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a light-emitting key structure and terminal equipment, and aims to solve the problem that the structure of the light-emitting key structure in the related art is complex due to the arrangement of an elastic part.

To solve the above technical problem, a first aspect of the present invention provides a light-emitting key structure, including: the light source module comprises a shell with an accommodating cavity, a light guide part elastically connected to the shell, a key which is slidably assembled on the shell and is positioned in the accommodating cavity, a circuit board fixed on the shell, and at least one light source and a switch part which are fixed on the circuit board and electrically connected with the circuit board, wherein light emitted by the light source sequentially penetrates through the light guide part and the key, one end of the key, which is close to the circuit board, is abutted against the light guide part, and a gap is formed between the light guide part and the switch part; the key is used for abutting against the light guide piece to enable the light guide piece to move, and when the light guide piece abuts against the switch piece, the switch piece is closed.

Preferably, the light guide member has elasticity, a partial region of the light guide member is arranged at the opening of the accommodating cavity close to the circuit board, and two ends of the light guide member are fixed on the shell.

Preferably, the light guide member includes a first connecting portion and a second connecting portion fixed to the housing and spaced apart from each other, and an abutting portion having two ends fixed to the first connecting portion and the second connecting portion, respectively, the key abuts against the abutting portion, the abutting portion can abut against the switch member, and the first connecting portion and the second connecting portion have elasticity.

Preferably, one end of the abutting part close to the key extends into the accommodating cavity.

Preferably, the key comprises a main body part abutting against the light guide part and a limiting part fixed on the outer side of the main body part, the shell is provided with at least one limiting groove, the limiting groove is communicated with the accommodating cavity, the limiting part extends into the limiting groove, and the limiting part can move in the limiting groove.

Preferably, the housing includes a housing and a display panel fixed to the housing, one end of the main body portion, which is away from the light guide, protrudes out of the display panel, the accommodating cavity penetrates through the housing and the display panel, the limiting groove is formed between the display panel and the housing, and the limiting portion is movable in the limiting groove to abut against the housing or the display panel.

Preferably, the light guide member and the key are made of a material including transparent plastic.

Preferably, one end of the key close to the light guide part is provided with a light transmission area and a light-tight area, and the light transmission area and the light-tight area are formed by silk-screen printing patterns on the key.

Preferably, the light sources are fixed on one side of the circuit board close to the light guide member, and each light source is arranged around the switch member.

The utility model provides terminal equipment, which comprises the light-emitting key structure, an equipment body, a switch button and a power supply, wherein at least one light-emitting key structure is assembled on the equipment body, the circuit board is electrically connected with the power supply, the switch button is fixed on the equipment body and is electrically connected with the circuit board, and when the switch button is closed, the circuit board is conducted with the power supply and the light source emits light.

Compared with the prior art, the key structure and the terminal equipment have the advantages that: when the key is pressed, the key slides in the accommodating cavity until the light guide part abuts against the switch part, so that the switch part is closed, and the conduction effect of the key is realized; when the force is not applied to the key, the key is restored under the elastic recovery action of the light guide piece; compared with the key in the related art, the key is assembled with the shell in a sliding mode through the spring and the like, the key in the application is directly assembled on the shell in a sliding mode, the restoration of the key is realized through the light guide piece, the structure is simple, and the installation difficulty of the light-emitting key structure is reduced; simultaneously, the light of light source transmission sees through leaded light spare and button in proper order, is favorable to using the button under the not good environment of illumination, has promoted the convenience that the button used.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a terminal device in an embodiment of the present invention;

fig. 2 is a sectional view of a terminal device in one direction in the embodiment of the present invention;

FIG. 3 is an enlarged view of detail A in FIG. 2;

fig. 4 is a schematic structural diagram of a part of components of a terminal device in an embodiment of the present invention.

In the drawings, each reference numeral denotes: 1. a housing; 11. a housing; 12. a display panel; 13. a limiting groove; 2. a light guide; 21. a first connection portion; 22. a second connecting portion; 23. an abutting portion; 3. pressing a key; 31. A main body portion; 32. a limiting part; 4. a circuit board; 5. a light source; 6. a switch member; 100. a light-emitting key structure; 200. an apparatus body; 300. a switch button; 400. a glass panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The embodiment is as follows:

referring to fig. 1, fig. 2 and fig. 3, in the present embodiment, a light-emitting key structure 100 includes: the light source device comprises a shell 1 with an accommodating cavity, a light guide part 2 elastically connected to the shell 1, a key 3 which is slidably assembled on the shell 1 and is positioned in the accommodating cavity, a circuit board 4 fixed on the shell 1, and at least one light source 5 and a switch part 6 which are fixed on the circuit board 4 and electrically connected with the circuit board 4, wherein light emitted by the light source 5 sequentially penetrates through the light guide part 2 and the key 3, one end of the key 3, which is close to the circuit board 4, is abutted to the light guide part 2, and a gap is formed between the light guide part 2 and the switch part 6; the key 3 is used for abutting against the light guide part 2 to enable the light guide part 2 to move, and when the light guide part 2 abuts against the switch part 6, the switch part 6 is closed. When the key 3 is pressed, the key 3 slides in the accommodating cavity until the light guide part 2 abuts against the switch part 6, so that the switch part 6 is closed, and the conduction effect of the key 3 is realized; when the force is not applied to the key 3, the key 3 is restored under the elastic recovery action of the light guide part 2; compared with the key 3 in the related art which is assembled with the shell 1 in a sliding way through a spring and the like, the key 3 in the application is directly assembled on the shell 1 in a sliding way, and the restoration of the key 3 is realized through the light guide part 2, so that the structure is simple, and the installation difficulty of the luminous key structure is reduced; simultaneously, the light of light source 5 transmission sees through leaded light spare 2 and button 3 in proper order, is favorable to using button 3 under the not good environment of illumination, has promoted the convenience that the button 3 used.

Referring to fig. 2 and fig. 3, in the present embodiment, the light guide member 2 has elasticity, a partial region of the light guide member 2 is disposed at the opening of the accommodating cavity close to the circuit board 4, and two ends of the light guide member 2 are fixed to the housing 1. Specifically, light guide 2 can be made by plastics, and light guide 2 can be type of rectangular plate, and the middle part region of light guide 2 is just to holding the chamber setting, and 3 butts in the middle part region of light guide 2 promptly for light guide 2's atress is more balanced, can reduce the not hard up probability of being connected between light guide 2 and the casing 1. In some embodiments of the present embodiment, the light guide 2 includes a first connecting portion 21 and a second connecting portion 22 fixed to the housing 1 and disposed at an interval, and an abutting portion 23 having two ends fixed to the first connecting portion 21 and the second connecting portion 22 respectively, the key 3 abuts against the abutting portion 23, the abutting portion 23 can abut against the switch 6, and the first connecting portion 21 and the second connecting portion have elasticity. Specifically, the switch member 6 may be a touch switch, the first connection portion 21 and the second connection portion are fixed to the housing 1 at the sides close to the keys 3, the positioning portion has a rectangular structure, and the first connection portion 21 and the second connection portion 22 have elasticity so as to ensure that the abutting portion 23 can move relative to the housing 1 and can be restored under the action of elastic restoring force after moving; when the key 3 is pressed, the key 3 slides towards the direction of the circuit board 4, so that the abutting part 23 can be pressed by the key 3 and moves towards the direction of the switch piece 6 until the abutting part 23 abuts against the switch piece 6 to close the switch piece 6, and the conduction effect of the key 3 is realized; when the key 3 is not stressed, because the first connecting portion 21 and the second connecting portion 22 have elasticity, the abutting portion 23 moves and restores towards the direction of the key 3 under the elastic restoring action, and at this time, the key 3 is abutted by the abutting portion 23 until the key 3 restores; it can be understood that the light guide member can be placed horizontally or vertically according to actual needs. Preferably, one end of the abutting portion 23 close to the key 3 extends into the accommodating cavity, which is beneficial to realizing that the key 3 abuts on the abutting portion 23, and meanwhile, the abutting portion 23 is also beneficial to realizing accurate positioning of the light guide 2 on the housing 1 in the installation process of the light guide 2; through holding mutually supporting of chamber and leaded light 2, feel and function trigger when can realizing button 3 pushing down. In other embodiments, both ends of the light guide 2 may be elastically connected to the case 1 by a spring.

Referring to fig. 2 and 3, in the present embodiment, the key 3 includes a main body 31 abutting against the light guide 2 and a limiting portion 32 fixed on an outer side of the main body 31, the housing 1 is provided with at least one limiting groove 13, the limiting groove 13 is communicated with the accommodating cavity, the limiting portion 32 extends into the limiting groove 13, and the limiting portion 32 can move in the limiting groove 13. Specifically, main part 31 can be cylindric or rectangle form, and spacing portion 32 can be the ring, and spacing portion 32 cover is established and is fixed in the outside of main part 31, and spacing groove 13 can be the ring channel, because spacing portion 32 stretches into to spacing inslot 13, and spacing groove 13 can restrict button 3 and break away from casing 1 along the length extending direction who holds the chamber, and simultaneously, spacing portion 32 can be at spacing inslot 13 internalization, guarantees that button 3 can slide assembly at casing 1.

Referring to fig. 2 and 3, in the embodiment, the housing 1 includes a housing 11 and a display panel 12 fixed to the housing 11, one end of the main body 31 away from the light guide 2 protrudes out of the display panel 12, the accommodating cavity penetrates through the housing 11 and the display panel 12, the limiting groove 13 is disposed between the display panel 12 and the housing 11, and the limiting portion 32 can move in the limiting groove 13 to abut against the housing 11 or the display panel 12. Specifically, display panel 12 can be made by glass, it can be understood, display panel 12 covers to close and fixes and form the accommodation space at casing 1, circuit board 4 locates in the accommodation space, when button 3 is not atress, spacing portion 32 butt at display panel 12 of button 3, when button 3 atress and switch member 6 closed, spacing portion 32 butt at shell 11 of button 3, make spacing groove 13 can prevent that button 3 from breaking away from casing 1, also can avoid the leaded light spare to be supported by button 3 and be connected between leaded light spare and the casing 1 not hard up.

Referring to fig. 2 and 3, in the present embodiment, the light guide 2 and the key 3 are made of transparent plastic, and the transparent plastic can ensure the transmission of light. Specifically, one end of the key 3, which is close to the light guide part 2, is provided with a light transmission area and a light-tight area, and the light transmission area and the light-tight area are formed by silk-screen printing patterns on the key 3; the transparent plastic can be PS (polystyrene plastic), PMMA (acrylic) and PC (polycarbonate) plastic, etc., so that the light guide 2 has sufficient elasticity to ensure that the light guide 2 can elastically deform to abut against the switch 6, and also can ensure sufficient light transmission capability to ensure that the light transmitted by the light source 5 is low in loss when the light guide 2 transmits light. In some embodiments, the surface of the key 3 near the end of the light guide 2 is processed by silk-screen printing, wherein the light-transmitting area is formed by silk-screen printing of a light-transmitting pattern on the surface of the key 3, the light-proof area is formed by silk-screen printing of a solid color layer on the surface of the key 3, when light emitted from the light source 5 passes through the light guide 2 and irradiates the end surface of the key 3 near the end of the light guide 2, a part of the end surface of the key 3 far away from the end of the light guide 2 displays the pattern, and the rest of the end surface displays black.

Referring to fig. 2, 3 and 4, in the present embodiment, the light sources 5 are fixed on a side of the circuit board 4 close to the light guide 2, and each light source 5 is disposed around the switch 6. Specifically, light source 5 can be for the lamp pearl, and light source 5 is equipped with four altogether, and four light sources 5 encircle the setting of switch 6, can guarantee that the light of four light sources 5 launches all can see through leaded light spare 2 and shine to button 3. In other embodiments, the specific number and arrangement of the light sources 5 can be set according to actual needs.

Referring to fig. 1 and fig. 2, in the present embodiment, a terminal device includes a light-emitting key structure 100, a device body 200, a switch button 300 and a power supply, at least one light-emitting key structure 100 is assembled on the device body 200, a circuit board 4 is electrically connected to the power supply, the switch button 300 is fixed on the device body 200, the switch button 300 is electrically connected to the circuit board 4, when the switch button 300 is closed, the circuit board 4 is electrically connected to the power supply, and a light source 5 emits light. Specifically, terminal equipment can be instrument and meter etc., terminal equipment is last to set up three luminous key structure 100, and three luminous key structure 100 interval sets up, when shift knob 300 closure, circuit board 4 switches on with the power and light source 5 is luminous, the light that light source 5 launched shines to the bottom of button 3 through leaded light spare 2, button 3 realizes the effect of being shaded this moment, and the pattern of the bottom silk screen printing of button 3 is shown on the surface of button 3, terminal equipment has the glass panels 400 of fixing at terminal equipment body 200, glass panels 400 are used for the display information. In some embodiments, the terminal device may be provided with a circuit board 4 for use by the three light-emitting key structures 100, and the light guide member of each key 3 structure may be arranged horizontally or vertically; the display panel 12 of the light-emitting key structure 100 is integrated with the glass panel 400.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. A light-emitting key structure, comprising: the LED lamp comprises a shell with an accommodating cavity, a light guide part elastically connected to the shell, a key which is slidably assembled on the shell and is positioned in the accommodating cavity, a circuit board fixed on the shell, and at least one light source and a switch part which are fixed on the circuit board and electrically connected with the circuit board, wherein light emitted by the light source sequentially penetrates through the light guide part and the key, one end of the key, which is close to the circuit board, abuts against the light guide part, and a gap is formed between the light guide part and the switch part; the key is used for abutting against the light guide part to enable the light guide part to move, and when the light guide part abuts against the switch part, the switch part is closed.

2. The light-emitting key structure according to claim 1, wherein the light guide member has elasticity, a partial region of the light guide member is disposed at the opening of the accommodating cavity close to the circuit board, and both ends of the light guide member are fixed to the housing.

3. The light-emitting key structure according to claim 2, wherein the light guide member includes a first connecting portion and a second connecting portion fixed to the housing and spaced apart from each other, and an abutting portion having two ends fixed to the first connecting portion and the second connecting portion, respectively, the key abuts against the abutting portion, the abutting portion can abut against the switch member, and the first connecting portion and the second connecting portion have elasticity.

4. The emissive key structure of claim 3, wherein an end of the abutment portion proximate to the key extends into the receiving cavity.

5. The light-emitting key structure according to claim 1, wherein the key includes a main body portion abutting against the light guide member and a limiting portion fixed to an outer side of the main body portion, the housing is provided with at least one limiting groove, the limiting groove is communicated with the accommodating cavity, the limiting portion extends into the limiting groove, and the limiting portion is movable in the limiting groove.

6. The light-emitting key structure according to claim 5, wherein the housing includes a case and a display panel fixed to the case, one end of the main body portion, which is away from the light guide, protrudes out of the display panel, the accommodating cavity penetrates through the case and the display panel, the limiting groove is disposed between the display panel and the case, and the limiting portion is movable in the limiting groove to abut against the case or the display panel.

7. The illuminated key structure according to claim 1, wherein the light guide and the key are made of a material comprising a transparent plastic.

8. The emissive key structure of any one of claims 1-7, wherein the key has a light transmissive region and a light non-transmissive region at an end thereof adjacent to the light guide, the light transmissive region and the light non-transmissive region being formed by screen printing a pattern on the key.

9. The illuminated key structure according to claim 1, wherein the light sources are fixed on a side of the circuit board close to the light guide, and each of the light sources is disposed around the switch member.

10. A terminal device, comprising the light-emitting key structure according to any one of claims 1 to 9, a device body, a switch button, and a power source, wherein at least one of the light-emitting key structures is mounted on the device body, the circuit board is electrically connected to the power source, the switch button is fixed to the device body, the switch button is electrically connected to the circuit board, and when the switch button is closed, the circuit board is electrically connected to the power source and the light source emits light.

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