CN207558663U - Light-transmitting button structure - Google Patents

Abstract

The utility model discloses a light-transmitting key structure, including a shell, a circuit board, an upper cover and a pressing member, the circuit board is installed in the shell, the upper cover is covered on the shell, the circuit board is provided with at least one light-emitting key unit, the light-emitting key unit includes a key switch and an LED lamp, the upper cover includes a cover plate and a light-blocking wall, a light-blocking wall surrounds a light-emitting key unit, the shell is provided with a first through hole, the lower end of the light-blocking wall passes through the first through hole and abuts against the upper surface of the circuit board, the lower end of the cover plate is provided with a receiving groove, the receiving groove is arranged in the space formed by the light-blocking wall, the upper end of the pressing member is provided with a graphic block, the cover plate is provided with a through groove, the lower end of the pressing member is provided with a pressing column, and the pressing column is arranged just above the key switch. The utility model has a small number of assembled parts, which makes assembly simple, reduces assembly time, improves assembly efficiency, and improves the rate of high-quality products.

Description

Light-transmitting button structure

technical field

The utility model relates to the technical field of keys, in particular to a light-transmitting key structure.

Background technique

Buttons are widely used in various electronic products. In order to make the buttons visible at night or in poorly lit environments, light-transmitting buttons have emerged as the times require.

Existing light-transmitting keys are usually equipped with a key body, a light guide and a light-blocking part, and the key body includes a key switch, an LED light, a pressing part, a key shrapnel, and light-transmitting characters. There are many parts, the assembly is complicated, and the assembly time is long. The efficiency is low, and due to the complicated assembly, it is easy to cause an increase in defective finished products due to assembly errors.

Contents of the invention

The technical problem to be solved by the utility model is to provide a light-transmitting button structure in view of the deficiencies in the above-mentioned prior art. Rate.

In order to solve the above technical problems, the technical solution of the present invention is: a light-transmitting button structure, including a housing, a circuit board, an upper cover made of opaque elastic material and a hard light-transmitting material. The pressing part, the circuit board is installed in the housing, the upper cover is covered on the housing, the circuit board is provided with at least one luminous key unit, and the luminous key unit includes a key switch and at least one key switch adjacent to the key switch. The LED lamp is provided, the upper cover includes a cover plate and at least one light-blocking wall extending downward from the lower end of the cover plate, a light-blocking wall surrounds a light-emitting key unit, and the housing is provided with a light-blocking The first through hole through which the wall passes, the lower end of the light blocking wall passes through the first through hole and contacts the upper surface of the circuit board, and the lower end of the cover plate is provided with an accommodation groove for installing a pressing piece, and the accommodation groove The slot is set in the space formed by the light blocking wall, the upper end of the pressing piece is provided with an upwardly protruding picture and text block, and the cover plate is provided with a through groove for the picture and text block to be exposed. The lower end is provided with a pressing column protruding downward, and the pressing column is arranged directly above the key switch.

As a preferred solution, there are two LED lamps, which are respectively arranged on both sides of the key switch.

As a preferred solution, the upper cover further includes a positioning column extending downward from the lower end of the cover plate, and the housing is provided with a positioning hole adapted to the positioning column.

As a preferred solution, the upper cover further includes a limiting block extending downward from the lower end of the cover plate, and the housing is provided with a limiting hole through which the limiting block passes.

As a preferred solution, an upwardly protruding mounting block is provided on the periphery of the circuit board, and a mounting groove adapted to the mounting block is provided on the limiting block.

As a preferred solution, the mounting block is provided with a screw hole, and the upper cover is provided with a second through hole penetrating through the cover plate and the limiting block, and the second through hole is arranged opposite to the screw hole.

As a preferred solution, the lower surface of the pressing column is provided with sun patterns.

As a preferred solution, the circuit board is printed with reflective white oil.

As a preferred solution, the upper end of the housing is provided with an embedding groove adapted to the cover plate.

As a preferred solution, the opaque elastic material is TPE.

The beneficial effects of the utility model are: since the pressing part has the functions of the light-guiding part and the light-transmitting character of the traditional light-transmitting button, and the upper cover also has the functions of the light-blocking part and the button shrapnel of the traditional light-transmitting button, the number of assembled parts is small , making assembly easier, reducing assembly time, and improving assembly efficiency; because of its simple assembly, it can reduce the phenomenon of increasing defective products caused by assembly errors and improve the rate of excellent products.

Description of drawings

Fig. 1 is the assembled structural drawing of the embodiment of the present utility model;

Fig. 2 is the sectional view of A-A place in Fig. 1;

Fig. 3 is the exploded view of the embodiment of the utility model;

Fig. 4 is a structural diagram of the upper cover of the utility model.

In the figure: 1-shell, 11-first through hole, 12-embedded groove, 13-positioning hole, 14-limiting hole, 2-circuit board, 21-key switch, 22-LED light, 23-installation block , 24-screw hole, 3-top cover, 31-cover plate, 32-light blocking wall, 33-accommodating slot, 34-through slot, 35-positioning column, 36-limiting block, 37-installation slot, 38 - the second through hole, 4 - pressing piece, 41 - graphic block, 42 - pressing column, 5 - space.

Detailed ways

Below in conjunction with accompanying drawing, structural principle and working principle of the present utility model are described in further detail.

As shown in Figures 1 to 4, a light-transmitting button structure includes a housing 1, a circuit board 2, an upper cover 3 made of opaque elastic material, and a pressing piece made of hard light-transmitting material 4. The circuit board 2 is installed in the casing 1, the upper cover 3 is covered on the casing 1, the circuit board 2 is provided with a plurality of luminous key units, and the luminous key units include a key switch 21 and Two LED lamps 22, the two LED lamps 22 are located on both sides of the key switch 21, the upper cover 3 includes a cover plate 31 and a plurality of light blocking walls 32 extending downward from the lower end of the cover plate 31, one light blocking wall The wall 32 surrounds a light-emitting key unit. The housing 1 is provided with a first through hole 11 for the light blocking wall 32 to pass through. The lower end of the light blocking wall 32 passes through the first through hole 11 and connects to the circuit board. The upper surface of 2 is against each other, and the lower end of the cover plate 31 is provided with an accommodating groove 33 for installing the pressing member 4. The accommodating groove 33 is arranged in the space 5 surrounded by the light blocking wall 32. The pressing member 4 The upper end of the upper end is provided with an upwardly protruding graphic block 41, the cover plate 31 is provided with a through groove 34 for the graphic block 41 to be exposed, and the lower end of the pressing member 4 is provided with a downwardly protruding pressing column 42, The pressing column 42 is located directly above the key switch 21 . The upper end of the housing 1 is provided with an embedding groove 12 adapted to the cover plate 31, so that the upper cover 3 can be embedded in the housing 1, making the whole key structure more beautiful. The upper cover 3 also includes a positioning column 35 extending downward from the lower end of the cover plate 31, and the housing 1 is provided with a positioning hole 13 adapted to the positioning column 35, so that the upper cover 3 can also include a self- The lower end of the cover plate 31 extends downward to form a limiting block 36 , and the housing 1 is provided with a limiting hole 14 through which the limiting block 36 passes. The periphery of the circuit board 2 is provided with an upwardly protruding installation block 23 , and the limiting block 36 is provided with an installation groove 37 adapted to the installation block 23 . The mounting block 23 is provided with a screw hole 24, and the upper cover 3 is provided with a second through hole 38 that runs through the cover plate 31 and the limit block 36, and the second through hole 38 is arranged opposite to the screw hole 24, so The upper cover 3, the housing 1 and the circuit board 2 can be quickly assembled to improve the assembly efficiency, and the setting of the positioning column 35, the positioning hole 13, the limit block 36, and the limit hole 14 can effectively reduce the error rate during assembly, and there is To help improve the rate of high-quality products, the lower surface of the pressing column 42 is provided with sun patterns, which play the role of astigmatism and can make the light emitted by the LED lamp 22 more uniform. The circuit board 2 is printed with reflective white oil, which improves the brightness of the space 5 surrounded by the light-shielding wall 32 and enables the pressing member 4 to emit light evenly. The opaque elastic material is TPE. It should be noted that one light-emitting key unit is not limited to having two LED lamps 22 , and can be provided with one or more.

Since the pressing part 4 has the functions of the light-guiding part and the light-transmitting characters of the traditional light-transmitting button, and the upper cover 3 has the functions of the light-blocking part and the button shrapnel of the traditional light-transmitting button, the number of assembled parts is reduced, and the assembly becomes easier. It is simple, reduces the assembly time, and improves assembly efficiency; because of its simple assembly, it can reduce the occurrence of defective products caused by assembly errors and increase the rate of high-quality products.

The above is only a preferred embodiment of the utility model, and any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical solution of the utility model all belong to the scope of the technical solution of the utility model.

Claims (10)

1. A light-transmitting button structure, characterized in that: it includes a housing, a circuit board, an upper cover made of an opaque elastic material and a pressing piece made of a hard light-transmitting material, and the circuit board is installed In the casing, the upper cover is covered on the casing, and the circuit board is provided with at least one luminous key unit, and the luminous key unit includes a key switch and at least one LED light arranged adjacent to the key switch. The cover includes a cover plate and at least one light-shielding wall extending downward from the lower end of the cover plate, a light-shielding wall surrounds a luminous key unit, and the housing is provided with a first through hole for the light-shielding wall to pass through , the lower end of the light blocking wall passes through the first through hole to abut against the upper surface of the circuit board, and the lower end of the cover plate is provided with an accommodating groove for installing a pressing member, and the accommodating groove is arranged around the light blocking wall In the formed space, the upper end of the pressing member is provided with an upwardly protruding graphic block, the cover plate is provided with a through groove for the graphic block to be exposed, and the lower end of the pressing member is provided with a downwardly protruding The pressing column is arranged directly above the key switch. 2. The light-transmitting key structure according to claim 1, wherein there are two LED lights, which are respectively arranged on two sides of the key switch. 3. The light-transmitting button structure according to claim 1, wherein the upper cover further includes a positioning column extending downward from the lower end of the cover plate, and the housing is provided with a positioning hole adapted to the positioning column . 4. The light-transmitting button structure according to claim 1, wherein the upper cover further includes a limit block extending downward from the lower end of the cover plate, and the housing is provided with a hole for the limit block to pass through. limit hole. 5 . The light-transmitting button structure according to claim 4 , wherein an upwardly protruding mounting block is provided on the periphery of the circuit board, and a mounting groove adapted to the mounting block is provided on the limiting block. 6 . 6. The light-transmitting button structure according to claim 5, characterized in that: the mounting block is provided with a screw hole, the upper cover is provided with a second through hole penetrating through the cover plate and the limit block, and the second The through hole and the screw hole are arranged oppositely. 7. The light-transmitting button structure according to claim 1, characterized in that: the lower surface of the pressing column is provided with sun patterns. 8. The light-transmitting button structure according to claim 1, wherein the circuit board is printed with reflective white oil. 9. The light-transmitting button structure according to claim 1, characterized in that: the upper end of the housing is provided with an embedding groove adapted to the cover plate. 10. The light-transmitting button structure according to claim 1, wherein the light-impermeable elastic material is TPE.