Switch device for turnon and turndown circuit of vehicle

Abstract

The invention discloses a switch device applied starting and shutting a circuit of a vehicle. The switch device of the invention is triggered by the contacting of baffles fixed on the brake device and comprises a main body, a rack, an elastic piece, a push rod and a compression spring. The rack is connected with a telecommunication loop; when the rack is moved to a special position, the start and shut of the circuit of the vehicle can be controlled; the elastic piece is provided with two end edges, and a through hole is respectively arranged near the two end edges; the push rod goes through the main body, the rack and the two through holes in sequence. When the two end edges of the elastic piece are bent oppositely, the opposite area of the two through holes is enlarged and the push rod can move and adjust freely; when the elastic force of the elastic piece is released, the opposite area of the two through holes is relatively small; the elastic piece and the push rod are locked fixedly with each other; at the same time, the push rod can drive the rack to move relative to the main body within the main body.

Description

technical field [0001] The invention relates to a switch device for opening and closing a circuit of a vehicle, in particular to a switch device for opening and closing a circuit of a vehicle which is convenient for multiple adjustments of a push rod. Background technique [0002] As shown in Fig. 1, a kind of existing automobile brake switch 1 discloses as U.S. No. 5,889,246 patent, mainly comprises a housing 11 that a plurality of conductive sheets 110 are installed inside, and a joint assembled in this housing 11 The trigger 12 and a push shaft 13. The head end of the push shaft 13 is exposed to the housing 11 and a compression spring 16 is sheathed on the surface, which can drive the trigger 12 to displace in the housing 11 when under pressure and conduct with the preset conductive sheet 110, the conductive sheet 110 are respectively connected to brake light, speed control and other circuits. [0003] Cooperate with reference figure 2 When a brake pedal 21 is stepped ...

AI Technical Summary

Problems solved by technology

[0006] As can be seen from the above, the push shaft 13 of the brake switch 1 can freely adjust its relative position with the trigger 12 only at the time of manufacture—that is, the position protruding from the housing 11; The shaft 13 has been loosened or changed its position after being pressed for many times. Since the operating rod 14 has been removed and the push shaft 13 has been plugged into the sleeve 122, it is not easy to take the operating rod 14 again to stretch the fixing ring 15, and even to It is also very troublesome to reset after destroying the fixing ring 15; therefore, even if the user or the garage finds that the brake switch 1 is insensitive and needs to adjust the push shaft 13 consciously, it is actually very difficult to deal with

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