JP5016885B2 - connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a compact connector which can be assembled easily. <P>SOLUTION: The connector 1 in which a plurality of wires 81 are connected to a connecting object is provided with a plurality of contacts 7 of different shapes on the one hand of which a terminal part 71 is formed to connect with the connecting object and on the other side of which a wire connection part 72 is formed to connect with the wires, a contact holding member 3 in which the terminal pars 71 are arranged in a line and the wire connection parts are arranged in a plurality of lines and a plurality of contacts 7 are held so that each of the arranged positions of a plurality of the lines may be set up in a plurality of positions alongside a connection direction of the connector 1, and at least two wire holding members 4 which are arranged in a different position alongside the above connection direction and hold the wires 81 and connect the wires 81 with the wire connection part 72. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

  The present invention is a connector for connecting a plurality of electric wires to a connection target device, on one side a terminal portion connected to the connection target device is formed, and on the other side, a wire connection portion connected to the electric wire is formed. The present invention relates to a connector including a plurality of contacts, a contact holding member that holds the plurality of contacts, and an electric wire holding member that holds the electric wire and connects the electric wire and the electric wire connecting portion.

In an electronic device or an electric device, connection between devices is performed by a multicore electric wire in which a plurality of electric wires are bundled.
Conventionally, as such a connector, for example, a connector described in Patent Document 1 is known. This connector holds a resin main body and a plurality of contacts in parallel in the width direction of the main body. This is the tip of the contact Yes forming connection terminal portions connected to the connection object, the rear end are then wire insulation displacement portion conductive lines are connected to form. An electric wire is press-contacted to this electric-wire press-contact part, and a contact and an electric wire are connected.

JP-A-8-106937

By the way, in this type of connector, in order to provide a large number of contacts while saving space, there is a case where it is desired to set a small interval between the contacts.
However, in the connector described above, the wire pressure contact portions of the contacts arranged in a row are arranged in a row, and the wires are connected to the wire pressure contact portions at the same position in the direction in which the wires extend.
For this reason, when the distance between the contacts is set to be small, the distance between the wire pressure contact parts is also small, and the assembly of the connector becomes difficult. Further, when the contacts are arranged, the arrangement interval cannot be set smaller than the outer diameter of the electric wire, and there has been a case where the compactness cannot be achieved sufficiently.

  The present invention has been made in view of the above-described problems, and an object thereof is to provide a compact connector that is easy to assemble.

In the first characteristic configuration of the present invention, a terminal portion connected to the connection target device is formed on one side so that a plurality of electric wires are connected to the connection target device, and a wire connection portion connected to the electric wire is formed on the other side. A plurality of formed contacts having different shapes and the terminal portions are arranged in a row and the electric wire connection portions are arranged in a plurality of rows, and the arrangement positions of the plurality of rows in the connection direction of the connector A contact holding member for holding the plurality of contacts to be set at a plurality of positions along the connection direction, and arranged at different positions along the connection direction to hold the electric wire and connect the electric wire and the electric wire connecting portion. A connector comprising at least two electric wire holding members, wherein each of the contacts is configured such that the terminal portion and the electric wire connecting portion are both plate-shaped and integrally formed, and the terminal portion Thickness direction coincides with the direction of arrangement of said one row, the plate surface of the wire connecting portion is set so as to extend along the orthogonal and the connection direction to the plate surface of the terminal portion, the wire holding member, the first wire A holding hole and a second electric wire holding member arranged farther from the terminal part than the first electric wire holding member, and a guide hole part through which the electric wire held by the first electric wire holding member passes or A notch is provided in the second electric wire holding member, a first electric wire connecting portion that is connected to the electric wire by the first electric wire holding member, and a second electric wire that is connected to the electric wire by the second electric wire holding member. The connecting portions are arranged in a staggered manner so that the second electric wire connecting portion penetrates through the electric wire connecting portion through hole formed in the first electric wire holding member and reaches the second electric wire holding member. Configured to fit the electric wire to the electric wire holding member. A holding groove, and the wire connection portion insertion groove for inserting the wire connecting portion in a direction perpendicular to the wire holding groove, is formed in that Ru tare.

Since the terminal parts are arranged in a row and the wire connection parts are arranged in a plurality of rows as in this configuration, the number of wire connection parts arranged per row can be reduced. Even when the distance is set to be small, a space between the wire connecting portions arranged in the same row can be secured. Moreover, the space | interval for every row | line | column can be ensured by arrange | positioning each arrangement position of several rows in several positions along the connection direction of the said connector.
As a result, it is possible to provide a connector that is compact and easy to assemble while securing a space for connecting the wire connecting portion and the wire.
Further, as in the present configuration, the guide hole portion or the notch portion that allows the electric wire held by the first electric wire holding member to pass therethrough is provided in the second electric wire holding portion, whereby the guide hole portion or the notch portion is provided. Thus, the electric wire is held by the first electric wire holding member. As a result, the electric wire is reliably guided and held on the first electric wire holding member side by the guide hole portion or the notch portion.
Further, as in the present configuration, the second electric wire connecting portion passes through the electric wire connecting portion through hole formed in the first electric wire holding member and reaches the second electric wire holding member, whereby the electric wire The connecting portion through hole guides the second electric wire connecting portion toward the second electric wire holding member. For this reason, positioning of a 2nd electric wire connection part becomes reliable, and the assembly operation | work of a connector becomes easy. In addition, since the portion of the contact near the second electric wire connecting portion is held in the electric wire connecting portion through hole, deformation of the contact can be prevented and the durability of the connector can be improved. it can.
Moreover, an electric wire is reliably hold | maintained at an electric wire holding member by forming the electric wire holding groove part which fits an electric wire to an electric wire holding member like this structure. Moreover, since the electric wire connection part insertion groove part which inserts the said electric wire connection part from the perpendicular | vertical direction with respect to an electric wire holding groove part is formed, it guides so that an electric wire connection part may contact | abut from an orthogonal | vertical direction with respect to an electric wire. For this reason, the connection between the electric wire connecting portion and the electric wire is ensured, and the reliability of the connector can be improved.

In the second characteristic configuration of the present invention, a terminal portion connected to the connection target device is formed on one side so that a plurality of electric wires are connected to the connection target device, and a wire connection portion connected to the electric wire is formed on the other side. A plurality of formed contacts having different shapes and the terminal portions are arranged in a row and the electric wire connection portions are arranged in a plurality of rows, and the arrangement positions of the plurality of rows in the connection direction of the connector A contact holding member for holding the plurality of contacts to be set at a plurality of positions along the connection direction, and arranged at different positions along the connection direction to hold the electric wire and connect the electric wire and the electric wire connecting portion. A connector comprising at least two electric wire holding members, wherein each of the contacts is configured such that the terminal portion and the electric wire connecting portion are both plate-shaped and integrally formed, and the terminal portion The plate thickness direction coincides with the arrangement direction of the row, the plate surface of the wire connection portion is set to be orthogonal to the plate surface of the terminal portion and along the connection direction, and the terminal portion is connected to the connection target device. Is formed in a triangular shape having an inclined end surface that becomes higher toward the rear side in the connection direction, and is elastically deformed in a direction along the plate surface so as to be connectable to the connection target device.

The 3rd characteristic structure of this invention exists in the point provided with a pair of press-contact terminal which clamps the said electric wire in the said electric wire connection part.

  Since the electric wire connecting portion has a pair of press contact terminals as in this configuration, the connection between the electric wire and the electric wire connecting portion can be ensured, so that the reliability of the connector can be improved.

Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the connector 1 according to the present invention has a connection portion 31 that is connected to a connection target device at one end, and a cable 8 that includes a plurality of electric wires 81 at the other end. Then, the plurality of electric wires 81 are electrically connected to the connection target device. The connector 1 includes a main body 2, a contact 7, a shield case 9, and a cover 10. The main body 2 includes a contact holding member 3 and an electric wire holding member 4.
The electric wire holding member 4 includes two electric wire holding members, a first electric wire holding member 5 and a second electric wire holding member 6.
A first wire holding member 5 and a second wire holding member 6 holding a plurality of electric wires 81 are connected to the contact holding member 3 holding the contacts 7. The contact holding member 3, the first electric wire holding member 5, and the second electric wire holding member 6 are covered with a metal shield case 7, and the shield case 9 is covered with an insulating cover 10.

  As shown in FIG. 3, the contact 7 is formed with a wire connecting portion 72 connected to the electric wire 81 on one end side and a terminal portion 71 connected to the connection target device on the other end side. In the present embodiment, four types of contacts 7a, 7b, 7c, and 7d are provided so that the terminal portions 71 are arranged in a row and the wire connection portions 72 are arranged in four rows.

  As shown in FIGS. 3 to 5, terminal portions 71 are held in a row at one end of the contact holding member 3, and a connection portion 31 to a connection target is formed. Further, at the other end of the contact holding portion 3, a wire connecting portion 72 is protruded and a recess 32 for engaging the first wire holding member 5 and the second wire holding member 6 is formed. . Further, as shown in FIG. 5, compared to the first row of wire connection portions 72a and the fourth row of wire connection portions 72d, the second row of wire connection portions 72b and the third row of wire connections as shown in FIG. The part 72c extends far away. Among these, the wire connection portions 72a and 72d are referred to as first wire connection portions, and the wire connection portions 72b and 72c are referred to as second wire connection portions. Moreover, these electric wire connection parts 72a, 72b, 72c, 72d are arranged in a staggered manner.

  As described above, the terminal portions 71 are arranged in a row and the wire connection portions 72 are arranged in a plurality of rows, whereby the number of the wire connection portions 72 arranged in a row can be reduced. For this reason, even if it is a case where the distance between the connection terminals 71 is set small, the space between the electric wire connection parts 72 arrange | positioned in the same line is securable. Moreover, the row | line | column of all the electric wire connection parts 72 is not arrange | positioned in the same position along the connection direction of the connector 1, but it is 1st electric wire connection part 72a, 72d and 2nd electric wire connection like this structure, for example. A space for each column can be secured by making the arrangement positions different between the portions 72b and 72c.

  As shown in FIGS. 2 and 3, an electric wire guide hole 52 for guiding the electric wire 81 along the width direction is formed on one surface of the first electric wire holding member 5. An electric wire holding groove 51 into which the electric wire 81 is fitted is formed on the other surface so as to communicate vertically with the electric wire guide hole 52. In addition, the first wire holding member 5 is formed intermittently with two rows of wire connection portions through holes 53 through which the second wire connection portions 72b and 72c pass, one row across the wire guide hole portion 52, for a total of two rows. It is. The electric wire holding groove 51 and the electric wire connecting portion through hole 53 are arranged in a staggered manner.

  As shown in FIGS. 2 and 3, the second electric wire holding member 6 is formed with a guide hole portion 62 that extends along the width direction and guides the electric wire 81. On one surface of the second electric wire holding member 6, an electric wire holding groove portion 61 into which the electric wire 81 is fitted is formed so as to communicate with the guide hole portion 62 perpendicularly.

As shown in FIGS. 2 and 3, in the first electric wire holding member 5 and the second electric wire holding member 6, the widths of the electric wire holding groove portions 51 and 61 are set to be slightly narrower than the diameter of the electric wire 81. The widths of the wire holding groove portions 51 and 61 are set to be slightly smaller than the width of the wire connection portion 72.
In the 1st electric wire holding member 5 and the 2nd electric wire holding member 6, the electric wire connection part insertion groove parts 55 and 65 which connect the electric wire connection part 72 are formed in the state which crosses the electric wire holding groove parts 51 and 61. As shown in FIG. The wire connection portion 72 is inserted into the wire connection portion insertion groove portions 55 and 65 from a direction perpendicular to the wire holding groove portions 51 and 61. The height of the wire connection portion insertion groove portions 55 and 65 is set to be slightly smaller than the thickness of the wire connection portion 72. Thereby, when the electric wire connection part 72 is inserted in the electric wire connection part insertion groove parts 55 and 65, the electric wire connection part 72 is hold | maintained reliably.

As shown in FIGS. 2 and 3, the first electric wire holding member 5 holds an electric wire 81 extending through the guide hole 62 of the second electric wire holding member 6. After passing through the guide hole 62, the electric wire 81 is fitted into the electric wire holding groove 51 via the guide hole 52 of the first electric wire holding member 5.
In the present embodiment, ten electric wires 81 are distributed and held by the first electric wire holding member 5, with five guide wires 52 in the upward direction and five wires in the downward direction across the guide hole portion 52.
The electric wire 81 held by the second electric wire holding member 6 is fitted into the electric wire holding groove portion 61 communicating with the guide hole portion 62 via the guide hole portion 62. In the present embodiment, nine electric wires 81 are distributed and held by the second electric wire holding member, with five guide wires upward and four wires downward with the guide hole 62 interposed therebetween.

  As described above, since the electric wire 81 held by the first electric wire holding member 5 passes through the guide hole portion 62 or the notch portion provided in the second electric wire holding member 6, the guide hole portion 62 or the notch The wire 81 is guided to the first wire holding member 5 side by the portion, and is securely held.

  2, 3 and 8 show the engagement structure between the contact holding member 3, the first electric wire holding member 5 and the second electric wire holding member 6. FIG. Engagement holes 33a, 33b, and 33c are formed on the surface of the recess 32 that faces the first electric wire holding member 5. The first electric wire holding member 5 has engagement holes 54a, 54b and 54c. Further, the second electric wire holding member 6 includes engaging protrusions 64a, 64b, 64c inserted into the engaging holes 33a, 33b, 33c of the first electric wire holding member 5 and 54a, 54b, 54c of the contact holding member 3. 64c is formed.

  Thereby, the first electric wire holding member 5 and the second electric wire holding member 6 are seen in the concave portion 32 of the contact holding member 3 when viewed from the connection portion 31 side. Connected in order.

At this time, as shown in FIGS. 6 and 7, the first and fourth rows of the first wire connecting portions 72 a and 72 d are inserted into the wire connecting portion insertion groove 55 of the first wire holding portion 5, and It is connected to the electric wire 81 held by the electric wire holding member 5.
On the other hand, as shown in FIGS. 4 and 5, the second and second rows of second wire connecting portions 72b and 72c pass through the wire connecting portion through hole 53 of the first wire holding member 5, The two electric wire holding members 6 are inserted into the electric wire connecting portion insertion groove 65 and connected to the electric wires 81 held by the second electric wire holding member 6.

As described above, the second electric wire connecting portions 72b and 72c are surely positioned by configuring the electric wire connecting portion through hole 53 to guide the second electric wire connecting portions 72b and 72c to the second electric wire holding member 6 side. Thus, the assembly work of the connector 1 is facilitated.
Moreover, since the part of the contact 7 in the vicinity of the second electric wire connecting portions 72b and 72c is held inside the electric wire connecting portion through hole 53, the deformation of the contact 7 can be prevented, and the connector 1 durability can be improved.

  As shown in FIGS. 3 and 8, a protrusion 34 is formed on the surface of the recess 32 of the contact holding member 3 facing the first electric wire holding member 5 corresponding to the position of the electric wire holding groove 51. A protrusion 56 is formed on the surface of the first electric wire holding member 5 facing the second electric wire holding member 6 so as to correspond to the position of the electric wire holding groove 61. The protrusions 34 and 56 abut against the electric wire 81 to securely hold the electric wire 81 inside the electric wire holding groove portions 51 and 61.

  As shown in FIGS. 2 and 3, each electric wire connecting portion 72 is formed of a fork-shaped press contact terminal. The gap dimension of the fork-shaped portion is set slightly smaller than the outer diameter of the conducting wire 81b of the electric wire 81. As shown in FIGS. 4, 5, 6, and 7, when connecting the contact holding member 3, the first electric wire holding member 5, and the second electric wire holding member 6, the electric wire connecting portion 72 is connected to the electric wire holding groove 51, The electric wire 81 is inserted into the electric wire connecting portion insertion groove 55 from a direction perpendicular to the electric wire 81 fitted to the electric wire 81, and the electric wire 81 is pinched. Thereby, the pressure contact terminal cuts through the insulator 81a of the electric wire 81 and comes into contact with the conductive wire 81b, and the electric wire connecting portion 72 and the electric wire 81 are electrically connected.

  As described above, by forming the wire holding groove portions 51 and 61 into which the electric wire 81 is fitted in the first electric wire holding member 5 and the second electric wire holding member 6, the electric wire 81 is surely connected to both the electric wire holding members 5 and 6. Retained. Further, since the wire connection portion 72 is inserted into the wire connection portion insertion groove portions 55 and 65 extending in a direction perpendicular to the extending direction of the wire holding groove portions 51 and 61, the wire connection portion 72 is perpendicular to the wire 81. It is guided so as to come into contact from various directions. For this reason, the connection of the electric wire connection part 72 and the electric wire 81 becomes reliable, and the reliability of the connector 1 can be improved.

[Another embodiment 1]
In the above-described embodiment, the two electric wire holding members 4 of the first electric wire holding member 5 and the second electric wire holding member 6 are used to distribute the electric wire 81 to two positions in the extending direction of the electric wire 81 and the electric wire connecting portion 72. Although the example which connects is shown, it is not restricted to the above-mentioned embodiment.
In the present embodiment, as shown in FIG. 11, six types of contacts 7 are provided so that the terminal portions 71 are arranged in a row and the wire connection portions 72 are arranged in six rows. The electric wire holding member 4 includes a first electric wire holding member 5, a second electric wire holding member 6, and a third electric wire holding member 11.

  The first row and sixth row electric wire connection portions 72 e and 72 j are connected to the electric wires 81 held by the first electric wire holding member 5. The second row and fifth row electric wire connection portions 72f and 72i pass through the first electric wire holding member 5 and are connected to the electric wires 81 held by the second electric wire holding member 6. Further, the third and fourth row electric wire connecting portions 72g and 72h penetrate the first electric wire holding member 5 and the second electric wire holding member 6 and connect to the electric wires 81 held by the third electric wire holding member 11. Is done.

[Another embodiment 2]
The number of the wire holding members 4 and the number of the wire connecting portions 72 per row are not limited to the above-described embodiment, and can be changed as appropriate.

  The present invention can be used as a connector for electrically connecting an electrical device, an electronic device, and the like to a connection target device.

The perspective view which shows an example of the connector which concerns on this invention The disassembled perspective view which shows the principal part of the connector which concerns on this invention The disassembled perspective view which shows the principal part of the connector which concerns on this invention IV-IV sectional view of FIG. VV sectional view of FIG. VI-VI sectional view of FIG. VII-VII sectional view of FIG. Cross section of contact holding member Sectional view of the first wire holding member Top view of the connector according to the present invention The figure which shows another embodiment of this invention

DESCRIPTION OF SYMBOLS 1 Connector 3 Contact holding member 4 Electric wire holding member 5 1st electric wire holding member 51 Electric wire holding groove part 53 Electric wire connection part through-hole part 55 Electric wire connection part insertion groove part 6 Second electric wire holding member 61 Electric wire holding groove part 62 Guide hole part 65 Electric wire connection Part insertion groove part 7 contact 71 terminal part 72 electric wire connection part 72a first electric wire connection part 72d first electric wire connection part 72b second electric wire connection part 72c second electric wire connection part 81 electric wire

Claims (3)

To connect multiple wires to the target device,
On one side, a terminal part connected to the device to be connected is formed, and on the other side, a plurality of contacts having different shapes, in which an electric wire connection part connected to the electric wire is formed,
The terminal portions are arranged in a row and the wire connection portions are arranged in a plurality of rows, and the plurality of rows are arranged in a plurality of positions along the connection direction of the connector. A contact holding member for holding the contact;
A connector comprising at least two electric wire holding members that are arranged at different positions along the connection direction and hold the electric wire and connect the electric wire and the electric wire connection portion,
In each of the contacts,
Both the terminal portion and the wire connecting portion are integrally formed in a plate shape,
The thickness direction of the terminal portion coincides with the arrangement direction of the row,
The plate surface of the electric wire connection portion is set to be orthogonal to the plate surface of the terminal portion and along the connection direction,
The electric wire holding member has a first electric wire holding member and a second electric wire holding member disposed away from the terminal portion than the first electric wire holding member,
A guide hole or a notch for allowing the electric wire held by the first electric wire holding member to pass through is provided in the second electric wire holding member,
A first electric wire connecting portion connected to the electric wire by the first electric wire holding member and a second electric wire connecting portion connected to the electric wire by the second electric wire holding member are arranged in a staggered manner, and the second The electric wire connecting part is configured to penetrate the electric wire connecting part through hole formed in the first electric wire holding member and reach the second electric wire holding member,
The wire holding member, a wire holding groove for fitting the electric wire, and the wire connecting portion insertion groove for inserting the wire connecting portion in a direction perpendicular to the wire holding groove, forms tare Turkey connector . To connect multiple wires to the target device,
On one side, a terminal part connected to the device to be connected is formed, and on the other side, a plurality of contacts having different shapes, in which an electric wire connection part connected to the electric wire is formed,
The terminal portions are arranged in a row and the wire connection portions are arranged in a plurality of rows, and the plurality of rows are arranged in a plurality of positions along the connection direction of the connector. A contact holding member for holding the contact;
A connector comprising at least two electric wire holding members that are arranged at different positions along the connection direction and hold the electric wire and connect the electric wire and the electric wire connection portion,
In each of the contacts,
Both the terminal portion and the wire connecting portion are integrally formed in a plate shape,
The thickness direction of the terminal portion coincides with the arrangement direction of the row,
The plate surface of the electric wire connection portion is set to be orthogonal to the plate surface of the terminal portion and along the connection direction,
The terminal portion is formed in a triangular shape having an inclined end surface that increases toward the rear side in the connection direction with respect to the connection target device, and is formed to be elastically deformable in a direction along the plate surface so as to be connectable to the connection target device. which do Turkey connector. The wire connecting portion, the connector according to claim 1 or 2 having a pair of press-connecting terminal which sandwich the electric wire.

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