JPH0644495B2 - Split-type connector - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a split-type connector in which a connector housing and a terminal are split-type to automate assembly and reduce costs.

[Conventional technology]

In a multi-pole connector for automobiles, it is necessary to connect several kinds of electric wires having different diameters to one connector in order to distribute power to various electric components having different power consumption.

6 (a) to 6 (c) are explanatory views showing the above-mentioned connector, and the connector has the press-contact terminal shown in FIG. 7 housed therein.

The pressure contact terminal 31 is formed by punching and bending a single conductive metal plate to form elastic contact portions 32 vertically opposed to each other at one end thereof, and has slots 33, 3 in the vertical direction with respect to an intermediate portion.
3'is formed by erecting a pressure contact plate 34. Here, in the pressure contact terminal 31, the widths of the slots 33 and 33 'are set according to the diameters of various electric wires 35, and the thickness of the pressure contact plate 34, that is, the plate thickness of the pressure contact terminal 31 is set to the large diameter electric wire 35. The thicker it is, the thicker it is so as to have a better clamping force.

Further, a connector housing 3 for accommodating the press contact terminal 31
Reference numeral 6 denotes an opening 39 formed by notching the rear half of the upper wall 38 of the terminal accommodating chamber 37, and an upper cover 40 is provided to the opening 39.
It is constructed by covering. On the lower surface of the upper cover 40, a protrusion 41 for pressing an electric wire is provided.

Then, as shown in FIG. 6 (a), the press-connecting terminal 31 is inserted into the opening 39 of the connector housing from above to further
As shown in (b), the rear end of the press contact terminal 31 is pushed by the jig 42 or the like to be inserted into the terminal accommodating chamber 37. And the upper cover 4
By covering 0, the protrusion 41 of the upper cover 40 fits the electric wire 35 into the slots 33 and 33 ′ of the press contact terminal 31 to electrically connect the electric wire 35 and the press contact terminal 31.

However, in the above conventional connector, the electric wire 3
Since many types of pressure contact terminals 31 have to be set according to the diameter of 5, there is a problem that a large number of complicated terminal molds are required and the cost becomes high. Further, if the plate thickness of the press contact terminal 31 is increased, the spring force of the elastic contact portion 32 is also increased, the terminal insertion force is increased, and it becomes difficult to connect the connectors to each other. Furthermore, in order to insert the press-connecting terminal 31 into the terminal accommodating chamber 37 of the connector housing 36, it is necessary to perform two behaviors of inserting from above and further pressing, so that it is difficult to perform automatic assembly, and many other problems occur. there were.

[Problems to be Solved by the Invention]

In view of the above-mentioned problems, the present invention can reduce the production cost of the pressure contact terminal, can suppress the tab terminal insertion force low even when the pressure contact terminal is formed of a thick conductive metal plate, and can be automatically assembled. It is an object of the present invention to provide a connector excellent in both cost, productivity and quality.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention is a connector housing in which a terminal housing chamber is opened by cutting out a ceiling side,
A split-type connector including a cover that is joined to the cutout opening side of the connector housing so as to face each other, wherein a pair of terminal members are disposed in the terminal accommodating chamber and the cover so as to face each other. Of the flat plate-shaped board part, the wire pressure contact piece is erected on one side, the locking part is provided on the outer side of the wire pressure contact piece, and the contact protrusion for the mating male terminal is provided on the other side of the board part. A flexible engaging piece having an engaging portion for the locking portion is vertically provided on a terminal member main body formed by bulging and a top plate portion facing the base plate portion, and elasticity facing the contact protruding portion. A common terminal member formed by forming a contact portion, and the connector housing and the cover have locking projections for the terminal member body or the common terminal member, and the terminal member body and the common terminal member. And the connector housing with the engaging projections engaged with each other. Coalesce by joining of the bars characterized in that it constitutes a single connection terminals for mating male terminal.

[Action]

Since the terminal accommodating chamber and the upper cover of the connector housing are open, the joining and mounting of the terminal members can be easily and efficiently performed with one movement in the vertical direction. Further, the plate thickness and shape of one terminal member having the wire pressure contact piece can be appropriately set according to the wire diameter, and the other terminal member can be shared. Further, when the electric wire is connected to the electric wire pressure contact piece, the engaging piece suppresses the deformation of the electric wire pressure contact piece in the widening direction, so that the electric wire can be strongly clamped. Further, even if the plate thickness of the terminal member is increased according to the wire diameter, the terminal insertion force can be suppressed low by appropriately setting the protruding height of the contact protrusion.

〔Example〕

FIG. 1 is an exploded perspective view of an essential part of a split type connector equipped with a split type pressure contact terminal according to the present invention, and FIG. 2 shows its assembled state.

The split type connector 1 is a common terminal formed by vertically dividing a pressure contact terminal 4 into a plurality of terminal accommodating chambers 3 in which the upper half portion (ceiling side) of the connector housing 2 is completely cut out and opened to the outside. Of the member 5 and the terminal member body 6, a slot 9 is provided for a board portion 8 including a contact protrusion 7 for connecting a tab terminal,
A terminal member body 6 formed by erecting pressure contact pieces 10 and 10 'having 9'is mounted and the connector housing 2
The upper cover 11 that covers the terminal accommodating chamber 3 of
An elastic contact portion 13 is formed at the tip of the
The pressure contact pieces 10 and 10 ′ of the terminal member body 6 on both sides of
Engaging pieces 14, 14 'corresponding to the locking projections 28, 28' of
The common terminal member 5 is formed by hanging down.

Here, the board portion 8 of the terminal member main body 6 is locked to the partition wall 15 which forms the terminal accommodating chamber 3 of the connector housing 2 as shown in FIG. Locking projections 17 having upper inclined surfaces 16 for facing each other are provided so as to face each other, and a similar locking projection 18 is also provided on the upper cover 11 as shown in FIG. 5 between the pair of engaging pieces 14 and 14 ',
Is fixed in contact with the inner surface of the upper cover 11. Here, the terminal member body 6 and the common terminal member 5 are mounted so that the upper part of the terminal accommodating chamber 3 and the lower part of the upper cover 11 are opened, so that the respective terminal members 5, 6 are locked by the automatic assembling machine.
It can be easily done by pressing on 7,18.

The connector housing 2 and the upper cover 11 have front end walls 19 and 20, which are integrated with each other to form a tab terminal insertion window 21.
The openings 22 and 23 are formed in a half shape, and the rear end portion 24 serves as a wire insertion portion opened to the outside. Further, the locking projections 25 are provided on both side walls of the connector housing 2, and
Locking piece 27 having window 26 that can fit into the locking projection 25
Is provided. The connector housing 2 and the upper cover 11
The assembly and the pressure connection of the electric wire 30 can be easily and efficiently performed by pressing from above by an automatic machine.

Further, as shown in FIG. 5, the terminal member main body 6 of the press contact terminal 4 described above with reference to FIGS. Of the base plate 8, the press contact piece 10 having the contact protrusions 7 formed in the same direction and having the locking protrusions 28 protruding on both sides of the vertical slot 9 is erected at the other end of the base plate portion 8 and Pressure contact piece 1 having a similar slot 9'and locking projection 28 'in the middle
It is constructed by vertically laying 0 '. Here, depending on the thickness of the electric wire 30 to be connected, the slot 9 of the pressure contact piece 10, 10 ',
When the plate thickness of the terminal member main body 6 itself is increased or decreased at the same time that the width of 9'is set appropriately, when the plate thickness is increased, the contact protrusion 7 is set low to increase the tab terminal insertion gap d. It is possible to prevent the tab terminal insertion force from increasing.

On the other hand, the common terminal member 5 is formed by punching using one kind of conductive metal plate and forming an elastic contact portion 13 facing the contact protrusion 7 on one end of the top plate portion 12 by molding.
Engaging pieces 14 and 14 'having windows 29 and 29' which can be fitted into the locking projections 28 and 28 'of the pressure contact pieces 10 and 10' are vertically provided on both sides of the top plate portion 12, respectively. It is a thing. Since the common terminal member 5 can be shared by many kinds of terminal member bodies 6 having different widths of the slots 9 and 9 ', only one kind of common terminal member 5 needs to be prepared, and the production cost of the pressure contact terminal 4 can be kept low. Further, if the terminal member main body 6 and the common terminal member 5 are opposed to each other and pressed, the locking projections 28, 28 'are fitted with the engaging pieces 14, 14' with one touch, and the engaging piece 1
Since 4 and 14 'suppress the deformation of the pressure contact pieces 10 and 10' in the widening direction during the pressure contact of the electric wires, the reliability of the electrical connection can be improved.

〔The invention's effect〕

As described above, according to the present invention, it suffices to change the shape of the terminal member on the wire connection side of the pair of terminal members according to the thickness of the wire to be connected, and the other terminal member can be shared, The cost of molds is low and the production cost can be reduced. Further, when these terminal members are mounted on the connector housing or the upper cover, the terminal members can be mounted in a single movement in the vertical direction, so that productivity can be improved by using an automatic machine.

Further, when the electric wire is connected to the electric wire pressure contact piece, the engaging piece suppresses the deformation of the electric wire pressure contact piece in the widening direction, so that the reliability of the electrical connection is improved. Further, even if the plate thickness of the terminal member is increased according to the thickness of the electric wire to be connected, the terminal insertion force can be suppressed low by appropriately setting the protrusion height of the contact protrusion,
Good workability when connecting connectors.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a notch of a main part showing an embodiment of the present invention, FIG. 2 is a perspective view of a notch of the main part showing an assembled state thereof, and FIG. 3 is a sectional view taken along line AA of FIG. 4 is a perspective view taken along the arrow B in FIG. 1, FIG. 5 is an exploded perspective view of the split terminal in the present invention, and FIGS. 6 (a) to 6 (c) are longitudinal sectional views showing a conventional example, FIG. FIG. 6 is a perspective view showing a pressure contact terminal in a conventional example. DESCRIPTION OF SYMBOLS 1 ... Split-type connector, 2 ... Connector housing, 3 ... Terminal accommodating chamber, 4 ... Press-contact terminal, 5 ... Common terminal member, 6 ... Terminal member main body, 7 ... Contact protrusion, 10, 10 '... Press-contact piece, 1
DESCRIPTION OF SYMBOLS 1 ... Upper cover, 13 ... Elastic contact part, 14, 14 '... Engaging piece, 28, 28' ... Locking protrusion.

Claims (1)

[Claims] 1. A split type connector comprising: a connector housing having a notched opening on a ceiling side to open a terminal accommodating chamber; and a cover which is joined to face the notched opening side of the connector housing. And a pair of terminal members facing each other on the cover, the pair of terminal members erected an electric wire crimping piece on one side of a flat plate-shaped substrate portion, and an outer side of the electric wire crimping piece. Is provided on the other side of the board portion, and a terminal member body formed by bulging a contact projection for the mating male terminal on the other side of the board portion, and a top plate portion facing the board portion are provided with respect to the engagement portion. A flexible terminal having an engaging portion, and a common terminal member formed by forming an elastic contact portion facing the contact protrusion, the connector housing and the cover being the terminal member main body. Or the terminal having a locking projection for the common terminal member, In the state where the material main body and the common terminal member are engaged with the respective locking projections, the connector housing and the cover are joined together to form one connection terminal for the mating male terminal. Split connector.