RU217253U1 - Plug-in power connector - Google Patents

Abstract

The utility model relates to the field of electrical engineering and can be used to connect pull-out units to current-carrying distribution busbars of low-voltage complete devices in AC and DC circuits. EFFECT: ensuring almost complete closure of the contact plates. The technical result is achieved by the fact that the plug-in power connector contains a detachable box-type insulating housing, consisting of two identical parts, each of which has horizontal grooves located at the same distance from each other. Groups of contact plates for connection with power equipment are installed and fixed in the grooves. In this case, the parts of the insulating housing are closed by an insulating casing made with two fixing ledges, on which a flat bus for connecting outgoing connections is installed, on the surface of which groups of contact plates are movably fixed in a split insulating housing. The insulating casing completely closes the groups of contact plates and is made with the possibility of being fixed relative to the detachable insulating casing by means of pins. 4 ill.

Description

The utility model relates to the field of electrical engineering and can be used for connecting pull-out units to current-carrying distribution busbars of low-voltage complete devices in AC and DC circuits.

As a prototype, the second version of the plug-in contact was chosen, the design of which is known from the description of the patent RU100856U1 (IPC H01R 13/02, s. No. 2009134533/07 of 15.09.2009, publ. 27.12.2010). A well-known plug-in contact contains an insulating housing, fastening elements of a plug-in contact, contact plates, clamping elements, an element for fixing contact plates, leads for connecting power equipment, while the insulating housing is made of n sections of the housing, cutouts are made on the longitudinal opposite sides, in places partitions are made in the cutouts, restrictive ledges and a fixing ledge are made in the body of the sections, the clamping elements are made in the form of flat springs, the fixing element of the contact plates is made in the form of a box-type bracket, the fastening elements of the plug-in contact are located on the sections forming the side walls of the body

The well-known plug-in contact is characterized by a low level of protection (contact plates partially protrude from the housing).

Accordingly, the technical problem to be solved by the utility model is to increase the level of protection.

The technical result is the almost complete closure of the contact plates.

The specified technical result is achieved by a plug-in power connector containing a detachable box-type insulating housing, consisting of two identical parts, each of which has horizontal grooves located at the same distance from each other, in which groups of contact plates are installed and fixed for connection with power equipment, while parts of the insulating housing are covered with an insulating casing made with two fixing ledges, on which a flat bus for connecting outgoing connections is installed, on the surface of which groups of contact plates are movably fixed in a split insulating casing, while the insulating casing completely covers the groups of contact plates and made with the possibility of fixation relative to the detachable insulating housing by means of pins.

It is advisable to make the insulating body and the insulating casing from arc-resistant plastic.

The utility model is illustrated by drawings, where:

in fig. 1 shows a general view of the plug-in power connector for 650 A;

in fig. 2 shows the constituent elements of a plug-in power connector for 130 A;

in fig. 3 shows the contact group of the plug-in power connector for 130 A;

in fig. 4 shows a plug-in power connector in section.

The drawings indicate the following items:

1 - insulating casing;

2 - flat tire for connecting outgoing connections;

3 - group of contact plates;

4 - insulating detachable housing;

5 - fixing protrusions of the insulating casing;

6 - element (node) fixing the position of the contact plates;

7 - flat spring;

8 - grooves for parallel installation of groups of contact plates;

9 - elements for fixing the detachable housing in the insulating housing.

In a plug-in power connector containing an insulating detachable housing 4, in which a flat bus 2 for connecting outgoing connections is installed on two fixing protrusions 5, on the surface of which, in turn, groups (pairs) of contact plates 3 are movably fixed in the required sequence, intended for removal voltage from distribution busbars, for additional protection, an insulating casing 1 is installed, made of durable plastic with high dielectric properties (made of arc-resistant plastic). Examples of such plastics are the following materials: Durastone type UPM203, Forferm brand 1500 or M, Navy brand F4209, Refraver, etc. The insulating body and the insulating casing are additionally fixed relative to each other (fastened) by means of elements (pins) 9.

Detachable box-type housing 4, also made of arc-resistant plastic of the same brand, preferably consists of two identical parts, each of which has five levels (Fig. 1, 2) of horizontal grooves 8 located at the same distance from each other . Groups of contact plates 3 are installed and clearly fixed in grooves 8.

Each contact (lamella) of the group of contact plates 3 is a rectangular copper alloy plate with rounded ends at the ends. Groups of contact plates 3 are installed in the grooves 8 of the detachable body 4 in pairs mirror each other with rounded ends inside the connector. The fixing unit 6 of the position of the group of contact plates is made in the form of a C-shaped bracket with an axis located in its middle part. The clamping of each pair of contact plates is made in the form of flat springs 7, on the ends of which stops are made in the form of a fork resting on the protrusions made on the outer side of the contact plates.

The operation of the plug-in power connector is as follows.

The side of the connector opposite to the installed bus 2 is connected to the power equipment by means of groups of contact plates 3 installed in the grooves 8 of the insulating housing 4. The connection to the bus 2 is made using screws. Groups of contact plates, at the same time, are completely covered with an insulating casing 1.

Claims (1)

Plug-in power connector, containing a detachable box-type insulating housing, consisting of two identical parts, each of which has horizontal grooves located at the same distance from each other, in which groups of contact plates are installed and fixed for connection with power equipment, with In this case, parts of the insulating housing are covered with an insulating casing made with two fixing ledges, on which a flat bus for connecting outgoing connections is installed, on the surface of which groups of contact plates are movably fixed in a detachable insulating casing, while the insulating casing completely covers the groups of contact plates and is made with the possibility of fixing relative to the detachable insulating housing by means of pins.

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