RU2408116C1 - Small multi-contact socket - Google Patents

Abstract

FIELD: electricity.

SUBSTANCE: invention may be used in electric and radio engineering to connect various electric devices. Socket is intended to connect wires by pressing method. It comprises casing (1) of plug with pins (2) and casing (3) of socket with seats. Seats with pressed wires (5) and pins (2) are tightly sealed into vessels (3) and (1). Wrench that serves to coordinate connection includes slot on casing (1) and ledge (7) on casing (3) and provides for correct definite joint of socket parts. Wires (5) of socket are protected against wear by grid (8). Torsion latches (9) and (10) are arranged on elastic belt (11), which is rigidly fixed on body (3) at its two diametrically opposite sides. Pressing elements (12) and (13) are continuations of torsion latches (9) and (10). On body (1) of socket in its upper part there are narrow slots both for latches (9) and (10) framed along edges by small guide ledges, and for rectangular holes arranged under slots and proportionate to width of latch (9) and (10) plates. Under holes there are slots of rectangular shape along whole remaining height of this part to form contact sites protruding above base and contact sites under slot and opposite to it along perimeter of base to install plug on circuit board.

EFFECT: improved convenience of assembly and operation of socket with reduction of dimensions and provision of reliable transfer of electric signals from one device to another.

6 dwg

Description

The invention relates to the main elements of electrical equipment, in particular to conductive connecting devices made of two parts, and can be used in electrical and radio engineering for connecting various electrical devices to each other.

There are various designs of connectors with different types of latches and a different number of contacts.

Known multi-pin electrical connector described in s. No. 20011118545 "Multi-pin electrical connector with zero articulation-dismemberment force." Cl. H01R 13/62, claimed 07/05/2001, publ. 06/27/2003.

The known connector contains a plug and a socket with cases made of insulating material, a pressure device to ensure absolutely tight compression of all contact pairs with each other, in particular, in the form of a clamp, while all contacts are made in the form of a flat metal plate, sealed at one end in a monolithic case of insulating material, all contact pairs are arranged sequentially one after another along the compression line, and the contact planes of all contacts are perpendicular to this line, the contacts are placed in longitudinal x slots in the housings of the connector parts and have projections on the sides that extend into the longitudinal guide grooves in the housings, and a circle or ellipse is used as the compression line.

A disadvantage of the known connector is that it has large dimensions, a very complex design, which increases its cost, and in addition, it is inconvenient to use when directly mounted on a board.

The closest in technical essence to the claimed is the connector of the company "Tuso", the design of which is made by soldering, widely used in practice and selected as a prototype (see. Appendix to the application).

The known connector is multi-contact and contains a plug and socket with cylindrical cases made of plastic, while one of the cases has guiding grooves (lock), and the second has corresponding guiding protrusions (key) to ensure the correct connection of the contacts, the pressure device to ensure the connection, the latch direct acting clamps located on the inner side of the elastic belt rigidly fixed to the socket body, and the points of attachment of the belt to the body are located on a plane perpendicular to the axis of the outlet. In this case, all contacts of the plug, made in the form of metal pins, are sealed at one end in a monolithic case made of insulating material of the plug, all contacts of the socket, made in the form of collets with cut ends, are installed in the holes of the socket body, all contact pairs are equally spaced from a friend and are inscribed in a circle.

A disadvantage of the known connector is that its design is, on the one hand, leaky and requires electrical work to be connected to the wires, on the other hand, which is not very convenient to assemble.

The objective of the proposed technical solution is to increase the ease of assembly and operation of the connector while reducing the size and ensuring the reliability of the transmission of electrical signals from one device to another.

The problem is solved in that in a small multi-pin connector containing a plug and socket with housings made of insulating material, one of the housings having a guide groove on the inside, and a guide protrusion on the outside, which together form a key to ensure that all contact pairs with each other, and latches-latches symmetrically located on the elastic belt of the housing, the attachment points of which are located on a plane perpendicular to the axis of the housing, according to The socket housing and plugs are made in the form of a cylinder truncated on both sides with rounded ribs, the socket latches are made torsion-shaped in the form of two flat plates parallel to the side walls of the socket housing with sawtooth protrusions facing the body at the lower end of each of them, fixed to a flexible belt in the central part flush with the thickness of the belt and have a continuation in the opposite direction in the form of plates of the same width and height of plates with protrusions on the outside, which serve as stops for opening I have a connector, and on the plug body in its upper part there are narrow rectangular grooves for latches, framed at the edges with small guiding protrusions, and rectangular holes located under the grooves, commensurate with the width of the latch plates, under which there are also rectangular-shaped grooves over the entire remaining height of this parts with the formation between them protruding above the base of the contact pads for installing the connector on the board; the contact pins of the plug and the socket of the socket are centrally sealed in their housings, moreover, to ensure sealing of the socket of the socket with the wires installed in them by crimping, they are filled with a compound, and the plug pins are made in the form of embedded elements.

The execution of latches in the aforementioned form - torsion in combination with the presence of pressure elements and contact pads on the outside of the connector - provides reliable fixation of the connector in working condition and ease of operation, sealing the plug pins and connector sockets increases the reliability of operation, and crimping the wires instead of soldering makes installation connector wire more convenient; the execution of the housing of the socket and plug in the form of a truncated cylinder on both sides of the cylinder reduces the dimensions of the connector.

The technical result is the provision of reliable fixation and ease of use, reducing the size.

The inventive connector has a novelty in comparison with the prototype, differing from it by such significant features as the implementation of torsion latches, the presence of push elements and contact pads associated with the latches on the base of the plug housing, sealing of the contact pairs and the execution of the ends of the socket of the socket in the form of tubes, ensuring the achievement of the specified result.

The applicant does not know the technical solutions that have the indicated distinguishing features, which together ensure the achievement of a given result, therefore he believes that the claimed small multi-pin connector meets the criterion of "inventive step".

The inventive connector can be widely used in the field of electrical and radio engineering, and therefore meets the criterion of "industrial applicability".

The invention is illustrated by drawings, which are presented in:

- figa) - General view of the connector in disassembled condition;

- figb) - General view of the connector in the assembled state;

- figure 2 is a General view of the plug;

- figure 3 is a sectional view of a plug;

- figure 4 is a General view of the outlet;

- figure 5 is a sectional view of the outlet.

The inventive connector is designed for conductive connection of devices and provides an undocking force of at least 70 g. It contains a housing 1 of a plug with pins 2 and a housing 3 of a socket with sockets 4. Sockets 4 with crimped wires 5 and pins 2 are hermetically sealed in cases 3 and 1. The key , which serves to coordinate the connection, includes a groove 6 on the housing 1 and a protrusion 7 on the housing 3 and ensures the correct unambiguous articulation of the parts of the connector. The wires 5 of the connector are protected from abrasion by the mesh 8.

Torsion latches 9 and 10 are located on the elastic belt 11, which is rigidly fixed to the housing 3 from two diametrically opposite sides. The pressure elements 12 and 13 are a continuation of the torsion latches 9 and 10. On the fork body 1 in its upper part, narrow grooves 14 and 15 are made for the latches 9 and 10, framed at the edges by small guide projections 16 and 17, and located under the grooves of the holes 18 and 19 are rectangular in shape, commensurate with the width of the plates of the latches 9 and 10. Under the holes 18 and 19 are rectangular in shape grooves 20 and 21 along the entire remaining height of this part with the formation of contact pads 22 and 23 protruding above the base under the grooves 20 and 21 and contact pads 24 and 25 p d groove 6 and on the opposite perimeter grounds for setting the fork board.

When assembling the connector, the wires are crimped in sockets 4 sockets, providing reliable contact. The sockets 4 themselves are inserted into the calibrated holes of the outlet, where they are reliably kept from falling out by a ring mustache. The internal cavity of the outlet on the wire side is filled with compound 26 to ensure sealing of the connector. The pins 2 of the plug 3 are embedded elements.

Using the connector is as follows.

Due to the elastic properties of the rigidly secured belt 11 of the socket, when the pressure elements 12 and 13 are pressed, the latches 9 and 10 rotate about the axis. At this moment, the latches 9 and 10 disengage. The pressure elements 12 and 13 are designed to facilitate pulling the plug from the outlet. The presence of a technological gap (not shown in the drawings) between the belt of the plug and the socket allows the latches 9 and 10 to elastically move in the vertical direction.

Compared with the prototype of the inventive connector provides easier assembly and convenient operation with reliable connection of electronic circuit boards and smaller dimensions of the connector.

Claims (1)

A small multi-pin connector containing a plug and a socket with housings of insulating material, one of the housings having a guide groove on the inside and a guide protrusion on the outside, which together form a key to ensure that all contact pairs are connected correctly to each other, and latches-latches, symmetrically located on the elastic belt of the socket body, the attachment points of which are located on a plane perpendicular to the axis of the body, characterized in that the socket body and plug are filled in the form of a cylinder truncated on both sides with rounded ribs, the latches are made torsion in the form of two flat plates with sawtooth protrusions facing the body at the lower end on each of them, fixed on a flexible belt flush with the thickness of the belt and continue in the opposite direction in the form flat of the same width and height of the plates with protrusions on the outside serving as stops for opening the connector; on the fork body in its upper part, narrow rectangular grooves for latches are made, framed at the edges by small guiding protrusions, and rectangular holes located under the grooves, commensurate with the width of the plates, under which are also rectangular-shaped grooves along the entire remaining height of this part with the formation between them protruding above the base of the pads for installing the connector on the board; the contact pins of the plug and the socket of the socket are centrally sealed in their housings, moreover, to ensure sealing of the socket of the socket with the wires installed in them by crimping, they are filled with a compound, and the plug pins are made in the form of embedded elements.

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