Self-locking electromagnetic control device

Abstract

The invention discloses a self-locking electromagnetic control device, which comprises an upper main body in a cylindrical shape, a lower main body arranged on the bottom part of the upper main body and fixedly connected with the upper main body; a step-shaped first eccentric hole penetrating through the top end face of the upper main body and extending downwards is formed in the upper main body; a second eccentric hole communicating with the first eccentric hole and vertically downwards extending to penetrate through the bottom end face of the upper main body is formed below the first eccentric hole; a medial axis of the first eccentric hole and a medial axis of the second eccentric hole are overlapped; a third eccentric hole penetrating through the top end face of the lower main body is formed in the lower main body; a medial axis of the third eccentric hole is arranged deviating from the medial axis of the first eccentric hole and the medial axis of the second eccentric hole; a trigger mechanism is arranged in the first eccentric hole; and an electromagnetic mechanism is arranged in the second eccentric hole. According to the self-locking electromagnetic control device provided by the invention, the trigger mechanism and the electromagnetic mechanism are arranged in the same vertical direction and are axially connected, so that not only is the radial dimension of the device greatly reduced, but also the locking response time of a coasting body is short.

Description

technical field [0001] The invention relates to a security mechanism of an pyrotechnic device, in particular to a self-locking electromagnetic control device. Background technique [0002] Such as figure 1 As shown, the traditional electromagnetic control device mainly consists of an upper body 1, a lower body 2, a switch part 7, an inertia body part 8, an inertia spring 9, a housing 14, a coil part 15, an armature 17, a yoke 18, a compression spring 19, Rotor mechanism 21, locking pin 23 are formed. [0003] The upper body 1 is in the shape of a cylinder with an eccentric hole, and the eccentric hole is a stepped hole. The upper end of the eccentric hole of the upper body 1 is equipped with an inertia body part 8, an inertia spring 9 and a switch part 7. The inertia body part 8 is a stepped cylinder with an annular groove in the middle and an open shape at the other end. The switch part 7 is connected to the upper body 1 through threads. [0004] The lower body 2 is als...

AI Technical Summary

Problems solved by technology

[0006] However, although the existing electromagnetic mechanism can realize the locking function, the outer dimension, especially the radial dimension, is relatively large, requiring the product to provide a large space dimension, and at the same time, the structure is complex and the cost is high

In addition, the locking response time of the inertial body part by the locking pin is long, and the electromagnetic force required to drive the locking pin to move along its axial direction is relatively large

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