CN210167294U

CN210167294U - Small switch for automobile

Info

Publication number: CN210167294U
Application number: CN201920358608.XU
Authority: CN
Inventors: 崔敏敏; 郑升源; 张阳; 刘来才; 刘本华; 杨慧锦; 崔洋洋
Original assignee: Le Star Automotive Electronics (qingdao) Co Ltd
Current assignee: Le Star Automotive Electronics (qingdao) Co Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-03-20
Anticipated expiration: 2029-03-20

Abstract

The utility model relates to an auto-parts, especially a take little switch for car of backlight instruction and work light state indication function. It includes shell, base and shift knob, is equipped with first return circuit and second return circuit in the base, and first return circuit includes: the circuit comprises a sliding contact piece, a grounding element, a first loop functional element and a first loop connecting element; the second circuit includes: a second loop connecting element A, a second loop functional element and a second loop connecting element B. The small switch overcomes the defects of complex structure, high part cost and the like of the traditional small switch for the automobile, and has certain beneficial effects.

Description

Small switch for automobile

Technical Field

The utility model relates to an auto-parts, especially a take little switch for car of backlight instruction and work light state indication function.

Background

The existing small switch base for the automobile has an upper layer structure and a lower layer structure. Therefore, when the components are more, the time and labor are wasted, the used raw materials are more, the cost of two sets of dies is high, the product structure is complex, and the quality is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, provide a little switch for car, it has overcome that traditional car is with little switch structure complicacy, drawback such as finished piece cost height, and the technical scheme of its adoption is as follows:

the utility model provides a small switch for car, includes shell, base and shift knob wear to adorn in the shell, base and shell rigid coupling, shift knob can follow the shell and slide from top to bottom, be equipped with first return circuit and second return circuit in the base, first return circuit includes: the circuit comprises a sliding contact piece, a grounding element, a first loop functional element and a first loop connecting element;

the sliding contact piece is fixedly connected with the switch button and is controlled by the switch button to slide up and down, and the sliding contact piece is connected with the anode or the cathode of the power supply;

one end of the grounding element is grounded, and the other end of the grounding element is connected with the first loop functional element through the LED lamp;

the first loop functional element is connected with the first loop connecting element through a current limiting resistor;

the first loop circuit connecting element is connected with the negative electrode or the positive electrode of the power supply, and the polarity of the power supply connected with the first loop circuit connecting element is opposite to that of the power supply connected with the sliding contact piece;

the second circuit includes: a second loop connecting element A, a second loop functional element and a second loop connecting element B;

one end of the second loop connecting element A is connected with the anode or the cathode of the power supply, and the other end of the second loop connecting element A is connected with the second loop functional element through the LED lamp;

the second loop functional element is connected with a second loop power connection element B through a current limiting resistor;

the second loop connecting element B is connected with the negative electrode or the positive electrode of the power supply, and the polarity of the power supply connected with the second loop connecting element B is opposite to that of the power supply connected with the second loop connecting element A;

the base is made of a plastic shell and the above elements in an embedded insert injection molding mode.

The utility model has the advantages of as follows: the number of elements is small, the product structure is simple, the cost is low, the quality is reliable, and the failure rate is low.

Drawings

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: the structure schematic diagram of the connection relationship of each element in the base of the utility model;

description of the symbols:

1. the LED lamp comprises a sliding contact piece, 2 a grounding element, 3 a first loop functional element, 4 a first loop connecting element, 5 a second loop connecting element A, 6 a second loop functional element, 7 a second loop connecting element B, 8 an LED lamp, 9 a current limiting resistor, 10 a shell, 11 a base and 12 a switch button.

Detailed Description

The invention will be further described with reference to the following figures and examples:

in the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 2, the small switch for an automobile of the present embodiment includes a housing 10, a base 11 and a switch button 12, the base 11 and the switch button 12 are installed in the housing 10 in a penetrating manner, the base 11 is fixedly connected to the housing 10, the switch button 12 can slide up and down along the housing 10, a first loop and a second loop are disposed in the base 11, and the first loop includes: a sliding contact piece 1, a grounding element 2, a first loop functional element 3 and a first loop connecting element 4;

the sliding contact piece 1 is fixedly connected with the switch button 12, the switch button 12 controls the sliding contact piece to slide up and down, and the sliding contact piece 1 is connected with the negative pole of the power supply;

one end of the grounding element 2 is grounded, the other end of the grounding element is connected with the first loop functional element 3 through an LED lamp 8, a positive electrode pin of the LED lamp 8 on the first loop is connected with the first loop functional element 3, a negative electrode pin of the LED lamp 8 on the first loop is connected with the grounding element 2, and the LED lamp 8 on the first loop is used as a working state indicator lamp;

the first loop functional element 3 is connected with the first loop connecting element 4 through a current limiting resistor 9;

the first loop connecting element 4 is connected with the anode of a power supply;

the second circuit includes: a second loop connection element a5, a second loop function element 6 and a second loop connection element B7;

one end of the second loop connecting element A5 is connected with the negative pole of the power supply, the other end is connected with the second loop functional element 6 through the LED lamp 8, the positive pole pin of the LED lamp 8 on the second loop is connected with the second loop functional element 6, the negative pole pin is connected with the second loop connecting element A5, and the LED lamp 8 on the second loop is used as a background indicator lamp;

the second loop functional element 6 is connected with a second loop connecting element B7 through a current limiting resistor 9;

the second circuit connecting element B7 is connected to the positive electrode of the power supply.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A small switch for an automobile, comprising a shell (10), a base (11) and a switch button (12), wherein the base (11) and the switch button (12) are arranged in the shell (10) in a penetrating way, and is characterized in that: a first circuit and a second circuit are arranged in the base (11), and the first circuit comprises: the circuit comprises a sliding contact piece (1), a grounding element (2), a first loop functional element (3) and a first loop power connection element (4);

the sliding contact piece (1) is fixedly connected with the switch button (12), the switch button (12) controls the sliding contact piece to slide up and down, and the sliding contact piece (1) is connected with the anode or the cathode of a power supply;

one end of the grounding element (2) is grounded, and the other end of the grounding element is connected with the first loop functional element (3) through an LED lamp (8);

the first loop functional element (3) is connected with the first loop connecting element (4) through a current limiting resistor (9);

the first loop connecting element (4) is connected with the negative electrode or the positive electrode of a power supply, and the polarity of the power supply connected with the first loop connecting element is opposite to that of the power supply connected with the sliding contact piece (1);

the second circuit includes: a second circuit connection element A (5), a second circuit function element (6) and a second circuit connection element B (7);

one end of the second loop connecting element A (5) is connected with the positive pole or the negative pole of the power supply, and the other end of the second loop connecting element A is connected with the second loop functional element (6) through an LED lamp (8);

the second loop functional element (6) is connected with a second loop connecting element B (7) through a current limiting resistor (9);

the second loop connecting element B (7) is connected with the negative pole or the positive pole of the power supply, and the polarity of the power supply connected with the second loop connecting element A (5) is opposite to that of the power supply connected with the second loop connecting element B.