CN211858481U - Automobile steering wheel key switch - Google Patents
Automobile steering wheel key switch Download PDFInfo
- Publication number
- CN211858481U CN211858481U CN202020704226.0U CN202020704226U CN211858481U CN 211858481 U CN211858481 U CN 211858481U CN 202020704226 U CN202020704226 U CN 202020704226U CN 211858481 U CN211858481 U CN 211858481U
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- button
- switch
- steering wheel
- carousel
- utility
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Abstract
The utility model discloses an automobile steering wheel key switch, which comprises a housin, three ejector pin, three dabbing switch, the carousel, the button, the apparatus further comprises a rotating shaft, the PCB board, a pedestal, the casing passes through PCB board and base fixed connection, the carousel, the button is all installed on the casing, the carousel is equipped with the shaft hole, the guide way, the button is equipped with the direction muscle, the guide way cooperatees with the direction muscle, the shaft hole is passed in the pivot, the one end of ejector pin is being pressed to the carousel, the one end and the carousel fixed connection of ejector pin, the other end of ejector pin is the free end, dabbing switch is located the below of the other end of ejector pin, dabbing switch mounting is on the PCB board. The utility model can respectively control the on-off of the three circuits, thereby realizing three functions, and the utility model has simple structure, low cost and more concise overall shape; the utility model discloses be equipped with the LED lamp, realize the function in a poor light.
Description
Technical Field
The utility model relates to a car steering wheel key switch.
Background
More and more concentrating on the steering wheel button of passenger car function, most button adopts the wane structure, realize two functions of a button, along with the more and more function of the multi-function switch set in later stage, the function overall arrangement of whole switch can't be satisfied to the wane button, because the wane structure is that both ends rotate around the middle part hinge, can only set up the division in two return circuits of press point control at both ends, realize two different functions, along with multi-function switch more can concentrate, can appear needing the condition that a button realized three function, the wane structure in the past can't satisfy the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough in the current product, provide a car steering wheel key switch.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides an automobile steering wheel key switch, includes casing, three ejector pin, three dabs switch, carousel, button, pivot, PCB board, base, the casing passes through PCB board and base fixed connection, carousel, button are all installed on the casing, the carousel is equipped with shaft hole, guide way, the button is equipped with the direction muscle, the guide way cooperatees with the direction muscle, the shaft hole is passed in the pivot, the one end of ejector pin is being pressed to the carousel, the one end and the carousel fixed connection of ejector pin, the other end of ejector pin is the free end, dabs the below that the switch is located the other end of ejector pin, dabbing the switch mounting on the PCB board, dabbing the switch and having elasticity.
Preferably, the button is located on the outside of the dial.
Preferably, the tact switch is located directly below the other end of the plunger.
Preferably, the PCB is provided with an LED lamp.
Preferably, the tact switch is used for controlling the on or off of the circuit on the PCB board.
The utility model has the advantages as follows: the utility model can respectively control the on-off of three circuits on the PCB board through three tact switches, thereby realizing three functions, the utility model has simple structure, low cost and more concise overall shape; the utility model discloses be equipped with the LED lamp, realize the function in a poor light.
Drawings
FIG. 1 is a schematic perspective view of an LED lamp with the LED lamp removed;
FIG. 2 is a schematic view of the structure with the housing removed;
fig. 3 is a schematic view of the structure with the button removed.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings of the specification:
as shown in fig. 1 to 3, an automobile steering wheel key switch comprises a shell 1, three ejector rods 2, three tact switches 4, a rotary table 5, a button 6, a rotary shaft 9, a PCB 13 and a base 3, wherein the shell 1 is fixedly connected with the base 3 through the PCB 13, the rotary table 5 and the button 6 are both installed on the shell 1, the rotary table 5 is provided with a shaft hole 10 and a guide groove 7, the button 6 is provided with a guide rib 8, the guide groove 7 is matched with the guide rib 8, the rotary shaft 9 penetrates through the shaft hole 10, the rotary table 5 rotates around the rotary shaft 9, one end of the ejector rod 2 is pressed by the rotary table 5, the other end of the ejector rod 2 is a free end, the tact switches 4 are located below the other end of the ejector rod 2, the tact switches 4 are installed on the PCB 13, and the tact switches 4 have elasticity. The shaft 9 is mounted on the housing 1.
As shown in fig. 1 to 3, the button 6 is located outside the rotary disc 5, the tact switch 4 is located right below the other end of the push rod 2, the PCB 13 is provided with an LED lamp 31, and the tact switch 4 is used for conducting or breaking a circuit on the PCB 13. Three tact switches 4 are used for controlling the on-off of three circuits on the PCB
The working principle is as follows:
as shown in fig. 1 to 3, the rotary plate 5 is a part having a shaft hole 10 and a guide groove 7 as a transition mechanism between the hinge of the button 6 and the housing 1. The turntable 5 is rotatable about a rotation axis 9.
When the button needs to swing, force is applied to any end of the button, the rotary disc 5 rotates around the rotating shaft 9, and the guide rib 8 of the button is matched with the guide groove 7 of the rotary disc 5 to rotate together with the rotary disc 5. The push rods 2 arranged at the two ends of the rotary disc are pressed down by the rotary disc 5 in the rotating process of the rotary disc, and the rotary motion of the rotary disc is converted into the up-and-down linear motion of the push rods 2. The top rod 2 presses the tact switch 4 arranged below the top rod downwards, so that the tact switch 4 is closed, and the circuit is conducted. After the canceling force is removed, the structure is reset under the restoring force of the tact switch, and the circuit is disconnected.
1. In the design, a transition structure rotary table is added in a traditional hinged rocker button structure, the rotary table and a button are matched by adopting guide ribs and guide grooves, and the rotary table and a shell are matched by adopting an axle hole;
2. when one end of the button is pressed, the turntable rotates around the rotating shaft, and the button and the turntable also rotate along with the turntable under the matching of the guide ribs and the guide grooves. The top rod is pressed down when the turntable rotates, and then the tact switch below the top rod is pressed down, so that the tact switch is closed, and the circuit is conducted. After the pressing is cancelled, the mechanism resets under the restoring force of the tact switch, the tact switch is disconnected, and the circuit is broken.
3. When the button is pressed downwards, the turntable can not move downwards due to the limitation of the rotating shaft. The button moves downwards along the direction of the guide groove matched with the rotary disc, and presses the tact switch to close the switch, so that the circuit is conducted. After the pressing is cancelled, the mechanism resets under the restoring force of the tact switch, the tact switch is disconnected, and the circuit is broken.
And 4, an LED lamp 31 is arranged on the PCB, so that LED light irradiates on the button characters, and the backlight requirement is realized.
The utility model can respectively control the on-off of three circuits on the PCB board through three tact switches, thereby realizing three functions, the utility model has simple structure, low cost and more concise overall shape; the utility model discloses be equipped with the LED lamp, realize the function in a poor light.
It should be noted that the above list is only one specific embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications can be made, and in short, all modifications that can be directly derived or suggested by the person skilled in the art from the disclosure of the present invention should be considered as the protection scope of the present invention.
Claims (5)
1. The automobile steering wheel key switch is characterized by comprising a shell (1), three ejector rods (2), three tact switches (4), a rotary plate (5), a button (6), a rotary shaft (9), a PCB (13) and a base (3), wherein the shell (1) is fixedly connected with the base (3) through the PCB (13), the rotary plate (5) and the button (6) are both installed on the shell (1), the rotary plate (5) is provided with a shaft hole (10) and a guide groove (7), the button (6) is provided with a guide rib (8), the guide groove (7) is matched with the guide rib (8), the rotary shaft (9) penetrates through the shaft hole (10), the rotary plate (5) rotates around the rotary shaft (9), one end of the ejector rod (2) is pressed by the rotary plate (5), the other end of the ejector rod (2) is a free end, and the tact switch (4) is located below the other end of the ejector rod (2), the light touch switch (4) is installed on the PCB (13), and the light touch switch (4) has elasticity.
2. The push-button switch of a steering wheel of a motor vehicle as claimed in claim 1, characterized in that the push-button (6) is located outside the rotary plate (5).
3. The automobile steering wheel key switch according to claim 1, wherein the tact switch (4) is located right below the other end of the plunger (2).
4. The automobile steering wheel key switch according to claim 1, wherein the PCB board (13) is provided with LED lamps (31).
5. The automobile steering wheel key switch according to claim 1, wherein the tact switch (4) is used for controlling on or off of a circuit on the PCB board (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020704226.0U CN211858481U (en) | 2020-04-30 | 2020-04-30 | Automobile steering wheel key switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020704226.0U CN211858481U (en) | 2020-04-30 | 2020-04-30 | Automobile steering wheel key switch |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211858481U true CN211858481U (en) | 2020-11-03 |
Family
ID=73178186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020704226.0U Active CN211858481U (en) | 2020-04-30 | 2020-04-30 | Automobile steering wheel key switch |
Country Status (1)
Country | Link |
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CN (1) | CN211858481U (en) |
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2020
- 2020-04-30 CN CN202020704226.0U patent/CN211858481U/en active Active
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