Brake lamp switch for motor vehicle

Abstract

The invention relates to a brake lamp switch for a motor vehicle, which comprises a socket, contact pieces, a threaded sleeve, a post and a resetting element, wherein the contact pieces are arranged on the socket and comprise a pair of first contact pieces and a pair of second contact pieces; each first contact piece comprises a first contact part and a first plug pin; each second contact piece at least comprises a second contact part and a second plug pin; under the condition of no external force, two first contact parts are close to each other and are switched on, and two second contact parts are in a switching-on state; and when the post is in the state of moving to the direction of the socket, the post can enable the two first contact parts to be switched off and simultaneously enablethe two second contact parts to be switched off. Compared with the prior art, the invention has the advantages that a pair of contact pieces are additionally arranged so that an additional loop is formed and the invention can realize the purpose of simultaneously switching on one loop and switching off the other loop easily; one loop is used for a brake lamp, and the other loop can be matched with automatic gearbox control and the like for use, thereby enlarging the application range of the brake lamp switch; and simultaneously, the whole volume of the switch is not increased, and the switch has simple and compact design and reasonable structure arrangement.

Description

technical field [0001] The invention relates to a motor vehicle brake light switch. Background technique [0002] Existing motor vehicle brake light switch see figure 1 As shown, it includes a base 6a, a screw sleeve 23a, an insulating sleeve 8a, a connecting wire 9a and a socket seat 1a, and a pair of elastic contact pieces are arranged on the base 6a, and the elastic contact pieces protrude from the rear end surface of the base 6a to form a connecting piece 10a , the rear end of the screw sleeve 23a is a sleeve 2a and is sleeved on the front surface of the base 6a and covers the elastic contact piece. The front end has a hollow screw rod 3a, and a column rod 4a is elastically arranged in the hollow screw rod 3a through a spring. And the tail end acts between the elastic contact pieces, a pair of plug pins 5a are provided in the socket seat 1a, two connecting wires 9a are connected to the corresponding connecting pieces 10a and the plug pins 5a respectively, and the insula...

AI Technical Summary

Problems solved by technology

Although the product application of this design is relatively common, there are deficiencies: first, there are many parts, cumbersome connection, and troublesome assembly; second, the connection at both ends of the wire is realized by soldering, and if the voltage is unstable, it is easy to burn out and blow out , affect the normal use of the brake light; finally, the function is relatively single, it can only realize the switch of the brake light, and cannot cooperate with other mechanisms of the car, such as the control of the automatic transmission on the automatic transmission car

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