SU661859A1 - Contact arrangement - Google Patents

Description

one

The selection relates to electrical engineering, namely, to constructive execution of detachable connections of electrical circuits and can be used in radio equipment as a connector for connecting blocks or for connecting fuy-core radio equipment to stands for testing and adjusting them.

A contact device is a device containing a fixed dielectric base (block). With fixed elastic contacts, each of which is made in the form of a pair of flat springs, one of which is bent and pressed by means of a mobile di-, electric block to the contact 1 inserted between the springs.

In order to ensure reliable contact with both springs, the input contact must be moved towards the fixed spring prior to their contact.

To ensure that all the contacts of a multi-contact device are pressed against both springs, these contacts and fixed springs must be located exactly in one row, which is practically impossible and cannot be entered.

and have stiffness less than the rigidity of the movable spring.

In the opposite case, the contacting will be realized only at one point, which reduces the reliability of the contact, - - -. -: ./ - .-

It is also known to have a contact device, advantageously for connecting electronic units, containing a fixed dielectric substrate with wound flat spring contacts and a movable dielectric holder, which is interoperable with flat spring contacts pj.

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However, the known device has insufficient reliability of the contact.

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The aim of the inventions is to increase the reliability of contacting by achieving the fact that in a contact device containing a fixed dielectric block with flat spring

Claims (2)

5 contacts and a movable dielectric housing, each flat spring contact is made in the form of two loop-shaped elements placed one in the other with a gap on the side of the working sections. 3 FIG. 1 shows a contact device executed in the form of an electrical connector socket; in fig. 2 and 3 show sections of this clip; FIG. 4 shows a version of the elastic contacts, and in FIG. 5 - kong.ktnaya device designed to connect functional (KNOTS of radio equipment to the stand when they are checked and set up 1G The device contains a mobile dielectric block 1 with a console but fixed elastic loop-shaped elements 2, a movable dielectric holder 3, equipped with inclined gaps 4 and 5 between the elec the dielectric cover 6 with holes 7. The clip 3 is moved (Figs, 1 and 2) with screws 8, and the clip (Figure 5 by means of eccentric 10 mounted on axis 9 and springs 11. In the clip (Fig. 5) the clips 3 are fixed on the strap 12 mounted on the -directors 13, and the clips can be made of two halves. The elastic elements (Figures 4 and 5) consist of two flat elements 2 and 14. Moreover, the outside radius The inner spring is smaller than the inner radius of the outer spring. The articulated pins 15 (Fig. 4) are inserted through the holes 7. The pins 15 can be made pins1.1and printed on the boards, in the form of petals of copper wire or tape. Moreover, the contacts may be located with deviations from the nominal positions and have some longitudinal bends. Jumpers 5 are designed to eliminate the possibility of improper connection of the circuits, when the inputted contacts have insufficient rigidity and away from; the steps can be bent. Before insertion, the articulated volume contacts 3 are lowered down and the elements 2 are in a divorced state. The articulated pin 15 is inserted without friction. After insertion of the contact, the sleeve 3 moves upward along the elements S with screws 8 (Fig. 1) or eccentrics 10 (Fig. 5). While the elastic elements 2 tightly 594 cover on both sides of the input elements, providing a reliable electrical contact. The use of double elastic contacts (springs) provides a more reliable electrical contact and more uniform compression of the springs. In this case, at the initial moment, when there is a slight slippage, the preload is made with a small force only by the external spring, and then the internal spring 11 comes into effect, which finally clamps the inserted contact. Due to the use of elastic elements of a loop-shaped form, the reliability of contact with both pin or printed contacts and with elements made of copper wires or strips having significant deviations in location and thickness is significantly improved. The use of double (sprung) springs increases contact reliability and service life. Jumpers installed between the contacts exclude the connection of soft contacts with adjacent elastic elements. Claims of the invention. Contact device, advantage. for connecting radioelectronic units, containing a stationary dielectric block with fixed flat spring contacts and a movable dielectric sleeve mounted with the possibility of interaction with flat spring / contacts, so that, in order to increase the reliability of contact, each flat spring contact made in the form of two loop-shaped elements placed one in the other with a gap on the part of the working sections. Sources of information taken into account in the examination 1. Avtorskoe SvideteJ. USSR USSR №477565, cl H 05 K 7/12, 13.07.73. 2. USSR author's certificate No. 296292, cl, H 05 K 1/12, 05.05.69. P "/. F Aa .t .tput .J t 7 .four