JPH0722860Y2 - Case for multi-pole connector - Google Patents

Description

[Detailed Description of the Invention] [Industrial application] The present invention relates to a multi-pole connector that holds a large number of contacts, and encloses a holding member made of a synthetic resin molded body that holds the contacts and The present invention relates to an improvement of a case made of a metal material that forms a fitting cylinder portion with a connector.

[Prior Art] A multi-pole connector equipped with a large number of contacts is
As shown in FIG. 1, a molded body 2a on the first half side and a molded body 2b on the second half side, which are provided with holding holes 20 for inserting and holding the contacts 1 and are fitted to each other by closing, are made of a synthetic resin material. , And the one half side in the longitudinal direction of a large number of contacts 1 to which the tips of the core wires 30 of the cord 3 are connected, the holding hole 20 of one of the molded bodies 2a and 2b.
Is inserted into the molded body 2b from the closed side, and the holding hole 20 of the other molded body 2a is fitted into the other half side of the contact 1 in the longitudinal direction and the other molded body 2a One molded body 2b is fitted and closed, and as shown in FIG. 2, it is assembled into a holding member 2 for holding a large number of contacts 1, ... As shown in the figure, the case 4 is formed in a shell for closing the front half member 4a and the rear half member 4b.
As shown in the drawing, the front half member 4a and the rear half member 4b of the case 4 are integrally connected by welding or caulking of the joined joint flanges 40, 40, and thereby the holding member 2 The former half side molded body 2a and the latter half side molded body 2b are held in an integrally connected state, and the front half member 4a of the case 4 is fitted to the mating cylinder portion of the mating connector. The tubular portion 41 is formed in advance, and as a result, it is assembled to the connector main body a as shown in FIG. 4 and is covered with a cover separately molded with a synthetic resin material or a metal material, or a synthetic resin is used. The cover is molded with the material so that it can be assembled to the connector.

In the multipolar connector assembled in this way, when the holding member 2 holding the contacts 1 ... Is confined in the case 4 and held, the cord 3 in which the core wires 30 ... Then, the latter half member 4b of the case 4 is fitted in advance, and in that state, the core wires 30 ... Are pierced through the respective holding holes 20 ... of the molded body 2b on the latter half side of the holding member 2, and the core wires 30 ... Male or female contacts 1 ... are connected to each other (Fig. 1), and each contact 1
The base end side of ... is each holding hole of the molded body 2b on the second half side of the holding member 2.
20. The molded body 2b on the latter half side of the holding member 2 is fitted to the molded body 2a on the front half side and integrally assembled. And
As a result, when the state as shown in FIG. 2 is reached, the latter half member 4b of the case 4 which has been fitted into the cord 3 in advance is fitted into the outer periphery of the molded body 2b on the latter half side of the holding member 2 and The reduced-diameter open end 42 of the rear half member 4b is abutted against the collar portion 21 formed in the closed portion of the holding member 2, and the front half member 4a of the case 4 is attached to the holding member 2 at that position. It is closed on the rear half member 4b while covering the outer periphery of the former half molded body 2a, and between the rear surface of the joining flange 40 of the front half member 4a and the opening end 42 of the latter half member 4b, Molded body
The collar portion 21 of 2a and the collar portion 21 of the molded body 2b on the rear half side are sandwiched in a closed state, whereby the holding member 2 is integrally combined with the front half side 2a and the rear half side 2b thereof. And combine them. Then, holding the state, the joint flange 40 of the molded body 2a on the front half side of the case 4 and the molded body on the rear half side of the case 4 are closed.
The joint flange 40 of 2b is integrally fixed and fixed by means such as welding or caulking, whereby the connector body a of FIG. 4 is assembled.

[Problems to be Solved by the Invention] As described above, the connector body a to be assembled has the plate thickness d of the collar portions 21 and 21 of the holding member 2 and the rear end side opening of the rear half member 4b of the case 4. If the distance l from the inner surface of the end 42 to the joint surface of the joint collar 40 is not excessive or insufficient, and the molded bodies 2a and 2b before and after the holding member 2 and the latter half member 4b of the case 4 are not molded, There is a problem in that the holding member 2 is held in the closed state and the case 4 is attached to the holding member 2 loosely, and the joining flanges 40, 40 of the case 4 are uncertainly closed. There is.

Further, the molded body 2b on the rear half side of the holding member 2 and the end portion of the core wire 30 of the cord 3 connected to the holding member 2 are exposed to the case 4 and the rear end side as shown in FIG. As a result, not only cannot it be used as a connector product as it is, but the connecting portion between the end portion of the cord 3 and the holding member 2 is weak, and the assembled connector body a
When a cover is formed on the outer circumference of the cord by molding a cover with a synthetic resin material, a down-press molding step of pressing the periphery of the end portion of the cord 3 with the synthetic resin material 5 is required. Joining collar 40 of the first half member 4a of
There is a problem that the number of steps is increased in combination with the step of fixing and connecting the joining collar 40 of the latter half member 4b by welding or the like.

Furthermore, when shielding to prevent radio interference, the outer periphery of the terminal part of this cord 3 and the joint collar 40/40 of the case 4
There is a problem that the shield is difficult to cover because it has to cover the closing surface of the.

[Purpose] The present invention has been made to solve these problems, and the holding member can be assembled to the case in a strong connection state that does not cause looseness.
The assembling process can be performed easily, and the terminal portion of the cord 3 and the holding member 2 can be firmly protected without the need for a downward pressing process, and
An object of the present invention is to provide a new means capable of easily and surely shielding the outer periphery of the holding member 2 including the terminal portion of the cord.

[Means for Solving the Problem] In the present invention, as a means for achieving this object, a cord formed of a metal material and having a contact holding member holding a core wire connected to the cord. It consists of a case main body that is stored together with each terminal part of and a cover plate that covers the opening of the case main body,
The main body of the case is that an opening for inserting the holding member is opened at the rear end side together with the end portion of the cord, and a fitting cylinder portion surrounding the connecting end portion of the contact held by the holding member is projected at the front end side. , The fitting tubular portion is formed in a shape that accommodates the molded body on the front half side of the holding member and receives the flange portion of the holding member at the rim of the base end portion, and the lid plate is formed on the rear side of the case body. A fitting portion that fits and connects in a plug-like manner is provided in the opening on the end side, and the outer peripheral surface of the holding member and the case that are inserted into the case main body are provided on the inner surface side of the fitting portion. A guide plate that is inserted between the inner peripheral surface of the main body and a projecting end abuts against the rear surface of the flange portion of the holding member, and the flange portion of the holding member is connected to the base end portion of the fitting tubular portion of the case body. A multi-pole type connector characterized in that it is formed to have a length to be pressed against the rim and is integrally connected and formed. It is intended to provide a kick case.

Example Next, an example will be described in detail with reference to the drawings.

FIG. 5 is a perspective view of a connector body a according to the present invention during assembly. In FIG. 5, 2 is a holding member formed of a synthetic resin material, 6 is a case, 6a is a case body, 6b is a cover plate, and 3 is a cover plate. Here is the code.

As shown in FIG. 1, the holding member 2 for holding the connector has a holding hole 20 for holding the connector and is molded with a synthetic resin material in the first half side, and similarly to the holding member 2 for holding the connector. The second half of the molded body 2b, which is formed by including the holding holes 20 ..., and the core wire 30 of the cord 3 in the holding holes 20.
It is a normal one in which the front half side and the second half side of the contact 1 to which the tips of the ... A collar portion 21 is provided at each of the closed portions with the molded body 2b.

The case 6 is composed of a case main body 6a and a cover plate 6b, and the case main body 6a is made of a zinc alloy by casting and the holding member 2 is formed.
Is formed into a tubular shape capable of accommodating the end portion of the cord 3 in which the core wires 30 ... Are connected to the contacts 1 ... Held therein, and the holding member 2 is inserted at the rear end side thereof. An opening port 60 serving as a charging port is opened, and the front end side surrounds the outer periphery of the front part of the molded body 2a on the front half side of the loaded holding member 2 and fits with the fitting part of the mating connector. The joint tube portion 61 is integrally formed. The fitting tubular portion 61 is formed to have an inner diameter in which only the front end side of the flange portion 21 of the holding member 2 fits, and the holding member 2 fitted and inserted in the case main body 6a.
The case body 6a as shown in FIG. 6 is in a state in which the brim portion 21 thereof is abutted against the inner surface of the rim of the base end portion of the fitting tubular portion 61 and is prevented from being projected forward. It is supposed to be stored and held inside. Reference numeral 62 designates the connector 1 ... In which the fitting tubular portion 61 is fitted to the fitting portion of the mating connector and held by the holding member 2 in the state of being assembled to the connector body a.
An attachment collar for attaching and binding the cord 3 to the connector of the equipment so that the connection state is maintained when the cord 3 is connected to the contact of the connector provided on the equipment to be connected. It is molded integrally with. The assembling flange 62 may be omitted.

Like the case main body 6a, the cover plate 6b is made of a zinc alloy as a material and is formed by casting so as to fit into the opening 60 on the rear end side of the case main body 6a and cover. The fitting portion 63 of the lid plate 6b with respect to the opening port 60 is formed in a small-diameter step portion that fits into the opening port 60 in a plug-like shape, and by fitting, the inner cavity of the case main body 6a is tightly packed. The case main body 6a is reinforced against external pressure while being shielded.

Reference numeral 64 denotes the outlet of the cord 3 formed in the case main body 6a for the case of projecting the cord 3 laterally and assembling it into an L-shaped connector. It is the edge of the opening 60 on the rear end side of the case main body 6a. The left and right intermediate portions of the upper wall of the case body 6a are formed in a notch shape having a width slightly narrower than the outer diameter of the cord 3 described above.

In FIG. 5, reference numeral 64 'designates a central portion of the lid plate 6b.
6b is a cylindrical body that is provided so as to project in a posture perpendicular to 6b, and is integrally molded with the lid plate 6b. It is designed to be.

Reference numeral 66 is an embedded lid provided on the lid plate 6b so as to close the notched outlet 64 provided on the case main body 6a. This lid 66
Is naturally unnecessary when removing the cutout-shaped outlet 64 from the case body 6a.

Reference numeral 7 denotes a guide plate that is inserted into the case main body 6a to regulate the holding member 2 at a predetermined position, and the inner peripheral surfaces of the left and right peripheral walls of the case main body 6a and the holding member inserted into the case main body 6a. In the space formed between the left and right outer peripheral surfaces of the case 2, the case main body 6a
The cover plate 6b is formed in a plate shape to be inserted from the open end 60 on the rear end side, and the base plate part thereof is connected to both left and right end parts on the inner surface side of the cover plate 6b. It is molded integrally with. When the cover plate 6b is fitted into the opening 60 of the case body 6a in a state where the holding member 2 is inserted into the case body 6a and is arranged at a predetermined position, The protruding end 70 is formed to have a length that abuts against the rear surface of the collar portion 21 of the holding member 2 and is inserted into the case main body 6a by fitting the cover plate 6b into the case main body 6a. Get caught
The holding member 2 loaded in the case main body 6a is pushed into a predetermined position and regulated at that position. In the embodiment, the guide plates 7 are provided in a pair on the left and right like the teeth of the clogs with respect to the cover plate 6b, but three or four of the upper, lower, left and right peripheral surfaces of the rear half of the holding member 2 are provided. It may be formed in the shape of an enclosure.

[Operation] The embodiment apparatus configured as described above operates as follows.

A holding member 2 made of a synthetic resin molded body holding the contacts 1 ... Connected to the ends of the core wires 30 of the cord 3.
Into the inner cavity of the case main body 6a made of a metal material, from the opening 60 on the rear end side thereof, together with the end portion of the connected cord 3, and in turn, cover plate 6b with the inner surface thereof. If the guide plates 7 formed on the side are inserted into the case main body 6a and fitted into the opening 60 of the case main body 6a, the case main body 6a
The holding member 2 inserted into the 6a is pushed into a predetermined position while being held by the guide plates 7 and 7, and is assembled so as not to move to that position, and at the same time, the cover plate 6b and the case main body 6a. And are combined and assembled in the case 6, and the assembly of the connector main body a is completed.

At this time, the case 6 made of a metal material, which is composed of the cover plate 6b and the case main body 6a, has a casing shape that completely covers the end portion of the cord 3 and the holding member 2, and moreover, the case main body 6a.
With the fitting portion 63 of the lid plate 6b fitted in the opening 60 of the plug-like member, the housing can be assembled to be strong against external pressure.

[Effects of the Invention] As described above, the case of the multipolar connector according to the present invention has the above-described configuration, and therefore, when the connector body a is assembled, the holding member 2 that holds the contacts 1 ... Core wire 30 for those contacts 1 ...
The main body of the case is 6a for each terminal of code 3 that has completed the connection
When inserted inside, the molded body 2a on the front half side of the holding member 2
Is fitted in the fitting tubular portion 61 on the front end side of the case main body 6a,
The collar portion 21 of the holding member 2 is in a state of being received by the lip of the fitting cylinder portion 61 on the base end side. Then, from this state, when the lid plate 6b is fitted into the opening 60 on the rear end side of the case main body 6a like a plug, the protruding end 70 of the guide plate 7 provided on the inner surface side of the lid plate 6b is , Colliding with the collar portion 21 of the holding member 2,
The flange portion 21 is pressed against the rim of the base end portion of the fitting cylinder portion 61 of the case main body 6a, and at the same time, the fitting portion 63 of the lid plate 6b is tightly plugged into the opening 60 of the case main body 6a. Due to the coupling by fitting into, the collar portion 21 is fixed and held in a state of being pressed against the rim of the base end portion of the fitting tubular portion 61.

Therefore, when assembling the connector main body a, it becomes easy to assemble the holding member 2 with respect to the case 6 so as not to cause looseness, and moreover, the holding member 2 assembled to the case 6 can be easily assembled. The case 6 and the case 6 are integrally connected to each other so that the case 6 is not loosened.

Then, the case main body 6a and the cover plate 6b are joined by fitting the fitting portion 63, so that the case 6 completely covers the end portion of the cord 3 and the holding member 2 to form the body of the connector body. As a result, the assembled connector body a can be used as it is as a connector product, and a reliable shield of the outer periphery of the holding member 2 including the end portion of the cord 3 can be obtained. Like

Further, when the outer periphery of the assembled connector body a is covered with a cover made of synthetic resin material, the relationship between the end portion of the cord 3 and the holding member 2 can be strongly protected without the step of pushing down. become.

[Brief description of drawings]

FIG. 1 is a perspective view of a multi-pole connector holding member during assembly, FIG. 2 is a perspective view of the holding member of the same holding member, in which a core wire of a cord is connected to a held contact, and FIG. Same as above Case that fits around the outer circumference of the holding member (shell)
Before assembly, FIG. 4 is a vertical sectional side view of the connector body assembled by assembling the above case, and FIG. 5 is a perspective view of the connector body on which the present invention can be implemented.
FIG. 6 is a vertical cross-sectional view of the connector main body in the assembled state of the above. Description of reference symbols 1 ... Contact, a ... Connector body, d ... Plate thickness 2 ... Holding member, 2a ... First half molded body 2b ... Second half molded body, 20 ... Holding hole, 21 ... Collar part 3 ... Cord, 30 ... Core wire, 4 ... Case 4a ... First half member, 4b ... Last half member, 40 ... Joint collar 41 ... Mating cylinder part, 42 ... Open end, 5 ... Synthetic resin material 6 ... Case, 6a ... Case main body, 6b ... Lid Plate 60 ... Opening port, 61 ... Fitting tubular part, 62 ... Assembly flange 63 ... Fitting part, 64 ... Drawout port, 64 '... Cylindrical body 66 ... Embedded lid, 7 ... Guide plate, 70 ... Projecting end

Continuation of the front page (56) Reference JP-A-51-100295 (JP, A) Actually open 58-37675 (JP, U) Actually open 59-162786 (JP, U) Actual public 51-28627 (JP , Y2) Sumiko Sho 56-44291 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. A contact 1 formed of a metal material and held by a holding member 2 of the contact 1.
The main body 6a of the cord 3 is connected to the core wire 30 and is housed together with the end portion of the cord 3 and a cover plate 6b that covers the opening 60 of the main body 6a.
An opening opening 60 for loading the holding member 2 is opened at the rear end side together with the end portion of the above, and a fitting cylindrical portion 61 surrounding the connection end portion of the contacts 1 held by the holding member 2 is projected at the front end side. The fitting tubular portion 61 is formed in a shape that accommodates the molded body 2a on the front half side of the holding member 2 and receives the flange portion 21 of the holding member 2 at the rim of the base end portion. A fitting portion 63 that is fitted and coupled in a plug shape with respect to the opening 60 on the rear end side of the case main body 6a.
Is installed, and the projecting end 70 is inserted on the inner surface side thereof between the outer peripheral surface of the holding member 2 inserted in the case main body 6a and the inner peripheral surface of the case main body 6a. The guide plate 7 that abuts against the rear surface of the collar portion 21 of the holding member 2 has a length that presses the collar portion 21 of the holding member 2 against the rim of the base end portion of the fitting tubular portion 61 of the case main body 6a. A case in a multipolar connector characterized in that it is formed and integrally formed.