CN219696301U

CN219696301U - Automobile switch

Info

Publication number: CN219696301U
Application number: CN202321211931.7U
Authority: CN
Inventors: 翁建盛
Original assignee: Ningbo Aishiming Auto Parts Co ltd
Current assignee: Ningbo Aishiming Auto Parts Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-09-15
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses an automobile switch, which comprises a key, a shell, a micro switch, a circuit board and a bottom cover, wherein the circuit board is arranged on the bottom cover, the bottom cover is arranged in the shell, the micro switch is arranged on the circuit board, and the key is arranged on the surface of the shell and used for pressing the micro switch, and is characterized in that: the shell shape and the number of the keys are designed according to the highest configuration, each key comprises a function key and a blocking cover, the lower part of the function key corresponds to the micro switch on the circuit board, the circuit board is provided with a push rod, and the lower part of the blocking cover corresponds to the push rod on the circuit board. The utility model provides an automobile switch, which can adapt to the requirements of different key configurations by only opening a pair of dies in the die opening process, and reduces the die opening cost.

Description

Automobile switch

Technical Field

The utility model relates to the field of automobile spare and accessory parts, in particular to an automobile switch which can be applied to other automobile switches such as an automobile steering wheel and an automobile window.

Background

As the most direct expression between the driver and the vehicle action, the position of the switch in the vehicle is of importance. Particularly, in the whole driving process, if a driver expresses a certain intention or makes a certain driving action, signal prompt can be made through different switches at all positions, such as a steering wheel control switch, a car window control switch and the like, so that the quality or performance of the switch directly influences the safety of the whole driving and the comfort of the driver.

The automobile switch in the prior art is generally composed of a key, a shell, a micro-switch, a circuit board, a bottom cover and the like, wherein the circuit board is arranged on the bottom cover, the bottom cover is arranged in the shell, the micro-switch is arranged on the circuit board, and the key is arranged on the surface of the shell and used for pressing the micro-switch. However, some keys on the existing automobile are functional according to different automobile configurations, and some keys are nonfunctional, so if one shell mold is opened correspondingly for each configuration, two or more molds are needed to be opened, which is not only troublesome in process, but also high in cost. Therefore, it is needed to design an automobile switch structure, which can meet the requirements of different key configurations by only opening a pair of dies in the die opening process.

Disclosure of Invention

Aiming at the current state of the art, the utility model provides the automobile switch, so that the automobile switch can adapt to the requirements of different key configurations by only opening one pair of dies in the die opening process, and the die opening cost is reduced.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an automotive switch, includes button, shell, micro-gap switch, circuit board and bottom, and the circuit board sets up on the bottom, and the bottom sets up in the shell, and micro-gap switch sets up on the circuit board, and the button sets up on the shell surface and is used for pressing down micro-gap switch, its characterized in that: the shell shape and the number of the keys are designed according to the highest configuration, each key comprises a function key and a blocking cover, the lower part of the function key corresponds to the micro switch on the circuit board, the circuit board is provided with a push rod, and the lower part of the blocking cover corresponds to the push rod on the circuit board.

As an improvement, the installation height of the micro switch and the ejector rod is the same or the height difference is not more than 0.2mm.

And the ejector rod is improved again, the bottom of the ejector rod is made of hard materials by adopting a double-color injection molding process, and the top of the ejector rod is made of rubber or TPE soft rubber materials.

And in addition, a micro-switch bonding pad and a push rod mounting hole are simultaneously designed at the corresponding position of each key on the circuit board.

And the bottom of the ejector rod is provided with a pressing head, and the ejector rod presses the pressing head into an ejector rod mounting hole of the circuit board by a press machine.

And the improvement is that ribs or grooves on the shell for installing the keys adopt cold press deformation or hot ironing deformation technology, so that the clearance fit between the keys and the shell is changed into interference fit, and the keys and the shell are prevented from shaking transversely to generate abnormal sound or clearance surface difference.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the shape of the shell and the number of the keys are designed according to the highest configuration, the keys comprise the function keys and the blanking caps, the lower parts of the function keys correspond to the micro switches on the circuit board, the circuit board is provided with the ejector rods, and the lower parts of the blanking caps correspond to the ejector rods on the circuit board.

Drawings

FIG. 1 is a schematic diagram of a high-profile automotive switch in accordance with an embodiment of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic diagram of a low profile automotive switch in accordance with an embodiment of the present utility model;

fig. 4 is an exploded view of fig. 3.

Description of the embodiments

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 4, the automobile switch in the present embodiment includes a key, a housing 2, a micro switch 5, a wiring board 4, a jack 6, and a bottom cover 3.

Wherein, circuit board 4 sets up on bottom 3, bottom 3 sets up in the shell, micro-gap switch 5 sets up on circuit board 4, the button sets up and is used for pressing micro-gap switch 5 in shell 2 surface, shell 2 shape and the quantity of button are according to the design of highest configuration, the button includes function key 11 and blanking cap 12, the below of function key 12 corresponds micro-gap switch 5 on circuit board 4, be provided with ejector pin 6 on circuit board 4, the below of blanking cap 12 corresponds ejector pin 6 on circuit board 4, preferably, the installation height of micro-gap switch 5 and ejector pin 6 is the same or the difference in height is no more than 0.2mm.

Further, the ejector rod 6 is manufactured by a double-shot injection process, the bottom of the ejector rod 6 is manufactured by hard materials, and the top of the ejector rod 6 is manufactured by rubber or TPE soft rubber materials. The bottom of the ejector rod 6 is provided with a pressing head, and the ejector rod 6 adopts a press machine to press the pressing head into an ejector rod 6 mounting hole of the circuit board.

Furthermore, in the embodiment of the present utility model, in order to ensure that the circuit board 4 can simultaneously adapt to requirements of different automobile configurations, a micro switch pad and a push rod mounting hole are simultaneously designed at a corresponding position of each key on the circuit board 4.

In addition, in order to avoid shaking or generating gaps in the horizontal plane of the shell 2, the ribs 21 or the grooves 22 on the shell 2 for installing the keys adopt cold press deformation or hot ironing deformation technology, so that the clearance fit between the keys and the shell 2 is changed into interference fit, and abnormal noise or gap surface difference caused by shaking of the keys and the shell 2 in the transverse direction is prevented.

In summary, the shape of the shell 2 and the number of the keys are designed according to the highest configuration, the keys comprise the function keys 11 and the blocking covers 12, the lower parts of the function keys 11 correspond to the micro switches 5 on the circuit board 4, the circuit board 4 is provided with the ejector rods 6, and the lower parts of the blocking covers 12 correspond to the ejector rods 6 on the circuit board 4, so that according to the configuration requirement of an automobile, when the corresponding key function is needed, the micro switches 5 are only required to be installed at the corresponding positions on the circuit board 4, meanwhile, when the corresponding key function is not needed, the function keys 11 are selected on the shell 2 for assembly, and meanwhile, when the corresponding key function is not needed, the blocking covers 12 are selected on the shell 2 for assembly, the operation is convenient, and the requirement of different key configurations can be met by only opening a pair of dies in the die opening process, thereby reducing the die opening cost.

Claims

1. The utility model provides an automotive switch, includes button, shell (2), micro-gap switch (5), circuit board (4) and bottom (3), and circuit board (4) set up on bottom (3), and bottom (3) set up in shell (2), and micro-gap switch (5) set up on circuit board (4), and the button sets up on shell (2) surface and is used for pressing micro-gap switch (5), its characterized in that: the shape of the shell (2) and the number of the keys are designed according to the highest configuration, each key comprises a function key (11) and a blocking cover (12), the lower part of each function key (11) corresponds to the micro switch (5) on the circuit board (4), the circuit board (4) is provided with a push rod (6), and the lower part of each blocking cover (12) corresponds to the push rod (6) on the circuit board (4).

2. The vehicle switch of claim 1, wherein: the installation height of the micro switch (5) is the same as that of the ejector rod (6).

3. The vehicle switch of claim 1, wherein: the installation height difference between the micro switch (5) and the ejector rod (6) is not more than 0.2mm.

4. The vehicle switch of claim 1, wherein: the ejector rod (6) is made of a hard material by a double-color injection molding process, and the top of the ejector rod (6) is made of rubber or TPE soft rubber material.

5. The vehicle switch of claim 1, wherein: and a micro-switch bonding pad and a push rod mounting hole are simultaneously designed at the corresponding position of each key on the circuit board (4).

6. The vehicle switch of claim 5, wherein: the bottom of the ejector rod (6) is provided with a pressing head, and the ejector rod (6) presses the pressing head into an ejector rod mounting hole of the circuit board (4) by a press machine.

7. The vehicle switch of claim 1, wherein: the ribs (21) or the grooves (22) on the shell (2) for installing the keys adopt cold press deformation or hot ironing deformation technology, so that the clearance fit between the keys and the shell (2) is changed into interference fit, and the keys and the shell (2) are prevented from shaking transversely to generate abnormal sound or clearance surface difference.