SU424248A1 - FIXING DEVICE FOR SWITCHING APPARATUS - Google Patents

Description

one

The invention can be used in push-button nostas, control units and other switching devices for fixing on and off positions of push-button elements.

Fixing devices for switching atsarats are known, comprising a cylindrical pressing element, a spring-loaded pusher, a control button and a fixing mechanism made in the form of a fixing plate and an emphasis.

However, such devices do not provide reliable fixation of the button element in conditions of increased vibration.

In order to increase the reliability of operation, in the proposed device, the pressure element has a guide pin that enters the groove of the locking mechanism in the form of a lining with a profile hole with a free end, inside which a switching element is fixed on the platen mounted in the hub of the locking mechanism of the locking mechanism. the flag is spring-loaded to one of the sides of the profile opening of the lining.

FIG. 1 shows the described device, a general view; in fig. 2 - section aa to pa of fig. one.

The device consists of a locking mechanism 1 and a telescopic rod 2. The locking mechanism is made in the form of a profile lining 3 attached by screws 4 to a bracket 5 rigidly connected to the body of the switching apparatus 6 with screws 7. A roller 9 with a switching flag is placed in the hub 8 of the bracket 10, pressed by the spring 11 of the torsion to the left side of the lining 3. One end of the spring 11 is wound into the hole of the bracket, and the other end

in the face spline of the roller 9 with a definite initial moment of the twisted spring. The axial displacement of the roller 9 in the hub of the bracket is limited by a retaining ring 12, and the springs 11 by a washer 13 fixed

with cotter pin 14.

The telescopic rod 2 consists of a pressure cylinder 15 and a pusher 16, in the cavity between which is located 17.

The pilinde 15 is rigidly crimped, for example, by welding, a guide pin 18 that extends into the profile groove of the faxing mechanism. Button 19 is secured with screw 20. Pusher 16 is pressed without initial

force to the push rod member 21.

The closed profile of the lining 3 (see Fig. 2) in the lower part has a protrusion 23 with an inclined surface, the apex of which is shifted toward the axis of the roller

9. The protrusion 23 serves to unlock.

the on position of the button element prn by pressing the rod 2 again.

The device works as follows.

When pressing the push button 19, the force through the spring 17 is transmitted to the pusher 16, which moves downwards and acts on the current 21 of the pivot element 22, driving it. The harness pin 18 (see Fig. 2), which is rigidly connected to the pressure cylinder of the rod, also does not rotate down from its initial position, which corresponds to the unlocked condition of the kioiotic element 22. Further, on the foot of the 19, the rod 21 of the contact element comes to its extreme position (before unor) and the pusher io stops. After that, only the pressing cilidre-15 is moved, compressed and the rim 17, the preliminary imposition of which is greater than the final force of the return spring of the button element 22.

The pin 18, moving down, presses the flag 10, turns it counterclockwise (shown in dotted lines in Fig. 2), additionally twists the spring 11, and moves to its lowest position b. The flag is reversed to its original position by the action of the spring. After removing the force from the stem, under the action of Zsili, the clamped spring 17 moves upward, leaving the pusher-16 and, therefore, the rod 21 of the plastic element in the lower part. When moving up, the units 18 do not return to the initial position a, but change their direction with the help of a switching flap 10 and return to the position in which corresponds to the fixed

iolozhsnk; Kiionoi; ioro element (. O. Contacts are closed).

For rasf: 1x1 roPa 111 k; i) one element must be re-pressed onto the brush 2. At the same time, Ha i; HMHoil nipindr 15 alternates with the OTiiocHie.ibiio peredvizhnogo pusher 16, squeezing the spring 17. Shaping SCH11 chapters, the backs of the chassis 16, the walls of the pusher pusher 16, compressing the spring 17. with sloping П015ерх1: spine of projection 23

And a profile file, ki 3, and then, unblocked by the 1st, turns the flag 10 counterclockwise and arrives at the location of the city. The released flag and the 11 lines returned, the ATS is in its original state.

After the forces with the last iodine have been relieved by the action of the spring 17, as well as the return spring of the kioi element 22, it is not timed up. At the same time, ngigift 18 of the nolozhn g rises to the original and youth a.

The subject is invented and

Fixing device for switching devices, contains its non-cylindrical

a pressure element, a spring pusher, a control valve and a locking mechanism, characterized by the fact that it’s safe to work, the pressure lever has a play pin,

The incoming KOiuiOM into the Iasa is fixed by the lucjer mechanism, which is wave-like in the form of an acladding with a profile opening, the side of which is wedge, which is in the sleeve of the cut-off mechanism,

lock the key element to the form of a flag, and indicate the sign to one of the third TOUCH open hole in the lcd.

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