CN218826783U

CN218826783U - Steering wheel switch with light guide key structure

Info

Publication number: CN218826783U
Application number: CN202223272033.0U
Authority: CN
Inventors: 夏娟; 詹钢栋; 喻方云; 殷昌文
Original assignee: Taikang Electronics Co ltd
Current assignee: Taikang Electronics Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-07
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a take steering wheel switch of leaded light button structure, including base, shell, circuit board, rubber spare and at least one button, the circuit board with the rubber spare is all installed in the base, just the rubber spare is located the circuit board top, a plurality of light touch switch and a plurality of LED lamp have on the circuit board, the shell is installed on the base, the button is established on the shell, its characterized in that still includes commentaries on classics piece and light conductor, it installs to change the piece on the button, change have on the piece with light touch switch matched with according to the pressing piece, the light conductor is installed change on the piece, the light conductor includes vertical portion, horizontal part and is located connecting portion between the two, the bottom of vertical portion is just right LED lamp top, the horizontal part is just right the instruction portion department of button has echelonment light guide structure.

Description

Steering wheel switch with light guide key structure

Technical Field

The utility model belongs to the technical field of the steering wheel switch, a steering wheel switch of leaded light button structure is related to in area.

Background

Along with the rapid development of society, people pay more and more attention to the operability, safety and comfort of automobiles, wherein more and more functional keys are arranged in interior decorations, and especially when a switch has a plurality of key light-emitting requirements, the layout design of a structural space plays a key role on the quality of a light-emitting function.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a take steering wheel switch of leaded light button structure.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a take steering wheel switch of leaded light button structure, includes base, shell, circuit board, rubber spare and at least one button, the circuit board with the rubber spare is all installed in the base, just the rubber spare is located the circuit board top, a plurality of light touch switch and a plurality of LED lamp have on the circuit board, the shell is installed on the base, the button is established on the shell, its characterized in that still includes commentaries on classics piece and light conductor, the commentaries on classics piece is installed on the button, have on the commentaries on classics piece with light touch switch matched with according to the pressing piece, the light conductor is installed on the commentaries on classics piece, the light conductor includes vertical portion, horizontal part and is located connecting portion between the two, the bottom of vertical portion is just right LED lamp top, the horizontal part is just right the instruction portion department of button has echelonment light guide structure.

The light guide body is in a hook shape.

And buckling blocks matched with the buckling seats on the two sides of the key are arranged on the two sides of the rotating block.

The rotating block is provided with a guide opening opposite to the indication part of the key.

The pressing piece is in a cross shape.

The indication part of the key is a light-transmitting character part.

The keys except the indication part are all made of non-light-transmitting materials.

And the shell is also provided with a five-way key module or a four-way key module.

By adopting the structure, the rotating block and the light guide body form an internal light-transmitting structure; in order to better present light on the characters of the keys, an internal light-transmitting structure made of light-guiding materials is embedded in the keys, namely a hook-shaped light-guiding strip is assembled in the rotating block, and meanwhile, in order to achieve more uniform light emission, a step-shaped light-guiding structure is made above the hook of the light-guiding strip and right opposite to the light-emitting part of the keys; the piece is fixed changeing to the piece with the knot seat matched with of detaining of button both sides has been done in inside light transmission structure both sides, prevent to change the piece and drop, the leaded light strip bottom is just to light source department, thereby realize lighting the character by bottom transmission light source to leaded light strip top, just a direction mouth has been done to the top of character to changeing the piece, the button all adopts non-printing opacity material except printing opacity character, thereby realized only lighting the character requirement, switch on the circuit after button printing opacity material bottom forms a cross structure and bottom tact switch contacts and realize the button function.

Compared with the prior art, this steering wheel switch of taking light guide button structure has this advantage: through design a mounting structure with light guide body on the steering wheel switch, make it compare with prior art at present not only improve the luminous quality of the luminous button of switch, also provide good transfer path for luminous button transmission light source, eliminated luminous button light leak crosstalk and inhomogeneous condition, also conveniently dismantle and assemble in production, promoted the security of switch, provide better driving experience for the driver.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a partial sectional view of the present invention.

Fig. 4 is an exploded view of the removed portion of the present invention.

In the figure, 101, decoration; 102. a five-way key module; 106. rotating the block; 106x, a buckle block; 106y, guide port; 107. pressing a key; 107x, a buckle seat; 107y, a pressing piece; 108. a rubber member; 109. a light touch switch; 110. a circuit board; 111. a housing; 112. a base; 113. a light guide body; 113x, a stepped light guide structure; 114. a rubber plug; 115. an LED lamp.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-4, the steering wheel switch with the light guide key structure includes a base 112, a housing 111, a circuit board 110, a rubber member 108 and at least one key 107, wherein the circuit board 110 and the rubber member 108 are both installed in the base 112, the rubber member 108 is located above the circuit board 110, the circuit board 110 is provided with a plurality of tact switches 109 and a plurality of LED lamps 115, the housing 111 is installed on the base 112, and the key 107 is installed on the housing 111, which are all adopted in the prior art; the LED light guide device further comprises a rotating block 106 and a light guide body 113, the rotating block 106 is installed on the key 107, a pressing piece 107y matched with the tact switch 109 is arranged on the rotating block 106, the light guide body 113 is installed on the rotating block 106, the light guide body 113 comprises a vertical portion, a horizontal portion and a connecting portion located between the vertical portion and the horizontal portion, the bottom of the vertical portion is over against the LED lamp 115, a step-shaped light guide structure 113x is arranged at an indicating portion of the horizontal portion over against the key 107, and the light guide body 113 is manufactured by adopting the prior art.

The light guide 113 has a hook shape.

The rotary block 106 has two fastening blocks 106x at two sides thereof for engaging with the fastening seats 107x at two sides of the key 107, so that the rotary block 106 and the key 107 can be easily assembled.

The rotating block 106 is provided with a guide opening 106y facing the indication part of the key 107.

The pressing piece 107y is cross-shaped.

The indication portion of the key 107 is a light-transmitting character portion.

The keys 107, except for the indication portion, are made of non-light-transmitting material, which is processed by the prior art.

The housing 111 is further provided with a five-way key module 102 or a four-way key module, in this embodiment, the housing 111 is further provided with the five-way key module 102, and the five-way key module 102 is of an existing structure.

The assembling steps are as follows: the shell 111, the five-way key module 102 and the keys 107 are assembled into a button assembly; the button assembly is assembled with the decoration 101 and the rubber plug 114 into a housing assembly; the

circuit boards

110 and 109 touch the switch 109 and the LED lamp 115 to form a circuit assembly; the steering wheel switch with the light guide key structure is formed by assembling a finished product formed by assembling the circuit board 110 component, the rubber piece 108 and the base 112 and a shell component.

The light guide body 113 and the rotating block 106 are assembled together, the key 107 is connected with the rotating block 106 through the structure of the buckle block 106x and the buckle seat 107x, the bottom of the light guide strip is over against the LED lamp 115, when the LED lamp 115 works, the light source irradiates the bottom of the light guide body 113, and the light is transmitted to the top from the bottom of the light guide body 113 so as to light characters of the key.

The above components are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The steering wheel switch with the light guide key structure comprises a base (112), a shell (111), a circuit board (110), a rubber piece (108) and at least one key (107), wherein the circuit board (110) and the rubber piece (108) are installed in the base (112), the rubber piece (108) is located above the circuit board (110), the circuit board (110) is provided with a plurality of light touch switches (109) and a plurality of LED lamps (115), the shell (111) is installed on the base (112), the key (107) is arranged on the shell (111), the steering wheel switch is characterized by further comprising a rotating block (106) and a light guide body (113), the rotating block (106) is installed on the key (107), the rotating block (106) is provided with a pressing piece (107 y) matched with the light touch switches (109), the light guide body (113) is installed on the rotating block (106), the light guide body (113) comprises a vertical part, a horizontal part and a connecting part located between the vertical part, the bottom of the light guide body (113) is over against the LED lamps (115), and a stepped indication structure (107) is located above the key (115).

2. A steering wheel switch with a light guide key structure according to claim 1, wherein said light guide body (113) is hook-shaped.

3. The steering wheel switch with the light guide button structure according to claim 1, wherein the two sides of the rotating block (106) are provided with buckling blocks (106 x) matched with the buckling seats (107 x) on the two sides of the button (107).

4. The steering wheel switch with the light guide key structure is characterized in that a guide opening (106 y) is formed in the position, facing the indication part of the key (107), of the rotating block (106).

5. A steering wheel switch with light-guiding key structure according to claim 1, wherein the pressing member (107 y) is cross-shaped.

6. A steering wheel switch with light-guiding key structure according to claim 1, wherein the indication portion of the key (107) is a light-transmitting character portion.

7. A steering wheel switch with light-guiding key structure according to claim 1, wherein the keys (107) are made of non-light-transmitting material except for the indication portion.

8. A steering wheel switch with light-guiding key structure according to claim 1, wherein a five-way key module (102) or a four-way key module is further mounted on the housing (111).