JP2012055058A - Joint connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint connector which enables easy connection while minimizing the cost.SOLUTION: A joint connector 11A connects with electric wires 15 led out from trunk lines 23a of a wire harness 23. A protector part 21, holding lead-out parts A of the electric wires 15 in each trunk line 23a, are integrally provided with receptacle parts 33 which respectively connect with connectors 27 connecting to end parts of the electric wires 15 led out from the trunk lines 23a. Multiple trunk lines 23a are led into the protector part 21, and the receptacle parts 33 are provided at positions that do not face the intersection X of the directions that the respective trunk lines 23a are led into the protector part 21.

Description

  The present invention relates to a joint connector provided in, for example, a wire harness routed in a vehicle.

  2. Description of the Related Art Conventionally, a wire harness that is routed in a vehicle such as an automobile has been provided with a joint connector in order to connect wires and distribute power. This joint connector branches a branch line from a trunk line, and is connected to this branch line (see, for example, Patent Document 1).

  It is also known that a protector that protects a wire harness is provided with an accommodating portion that accommodates a joint connector connected to a branch line branched from the wire harness (see, for example, Patent Document 2).

JP 2002-10438 A JP 2004-229350 A

  By the way, since the joint connector is connected to the end of the branch line branched from the main line, it requires an electric wire corresponding to the length of the branch line between the main line and the tape or corrugated tube by bundling the branch lines. It is necessary to protect with such as, and the cost increases accordingly.

  In addition, the joint connector provided away from the main line must be fixed to the vehicle frame, main line, etc. by a fixing component such as a fixing band when wiring the wire harness so as not to swing around. Apart from this, a complicated fixing work for fixing the joint connector is required.

  Further, as in the technique of Patent Document 2, when the joint connector is fixed by providing the protector with a housing portion that accommodates the joint connector, the protector has a complicated shape, resulting in an increase in cost.

  Moreover, if the joint connector has a structure in which a connector is connected to each of a plurality of branch lines and these connectors are connected to the connector main body, a plurality of jigs for supporting each connector during wiring are required. Installation work of the connector body is also required separately.

  This invention is made | formed in view of the situation mentioned above, The objective is to provide the joint connector which can be connected easily, suppressing cost as much as possible.

In order to achieve the above-described object, the joint connector according to the present invention is characterized by any of the following (1) to (3).
(1) A joint connector connected to an electric wire drawn from a main line of a wire harness,
A protector portion that holds the lead-out portion of the electric wire in the main line, and a receptacle portion to which a connector connected to an end portion of the electric wire drawn out from the main line can be connected, are provided integrally.
A plurality of trunk lines are introduced into the protector section, and the receptacle sections are provided at positions that do not face intersections in the direction of introduction of the trunk lines to the protector section.
(2) In the joint connector configured as described in (1) above, the receptacle portion is provided on an upper surface.
(3) In the joint connector configured as described in (1) above, the receptacle portion is provided on a side surface facing the lead-out portion.

In the joint connector having the above configuration (1), the protector portion that holds the lead-out portion of the electric wire in the main line and the receptacle portion to which the connector connected to the end portion of the electric wire drawn from the main line can be connected are integrally provided. Therefore, it is possible to eliminate the branch line in which the electric wire drawn out from the main line and branched is protected with a tape or a corrugated tube, and the cost can be reduced.
Further, it is not necessary to separately fix the protector portion and the receptacle portion to the vehicle frame or the like, and the workability can be greatly improved by simplifying the fixing work. In addition, since wiring can be performed simply by inserting the connector into the receptacle, the number of jigs can be reduced compared to the case where the connector is inserted into a separate connector body, and the installation work can be facilitated. Can be planned.
And since the receptacle part is provided in the position which does not face the cross | intersection location of the introduction direction of the trunk line of the wire harness to a protector part, the location where the electric wire is bulky can be disperse | distributed. Thereby, the enlargement by the bulk of an electric wire can be suppressed, and the wiring workability | operativity of an electric wire can also be improved. That is, a joint connector into which a plurality of trunk lines can be easily introduced can be obtained.
In the joint connector having the above configuration (2), since the receptacle portion is provided on the upper surface side, the connection work of the connector to the receptacle portion can be facilitated, and the height of the receptacle portion is suppressed. Thus, the overall thickness can be reduced.
In the joint connector having the configuration (3), since the receptacle portion is provided on the side surface facing the lead-out portion, the length of the electric wire from the lead-out portion can be shortened as much as possible.

  ADVANTAGE OF THE INVENTION According to this invention, the joint connector which can be connected easily can be provided, suppressing cost as much as possible.

  The present invention has been briefly described above. Further, details of the present invention will be further clarified by reading through the modes for carrying out the invention described below with reference to the accompanying drawings.

It is a perspective view of the joint connector concerning a 1st embodiment. It is a disassembled perspective view of the joint connector which concerns on 1st Embodiment. It is a perspective view of the joint connector which concerns on a reference example. It is a perspective view of the joint connector which concerns on 2nd Embodiment. It is a disassembled perspective view of the joint connector which concerns on 2nd Embodiment. It is a perspective view of the joint connector which concerns on 3rd Embodiment. It is a disassembled perspective view of the joint connector which concerns on 3rd Embodiment. It is a perspective view of the joint connector which concerns on 4th Embodiment. It is a disassembled perspective view of the joint connector which concerns on 4th Embodiment.

  Hereinafter, an example of an embodiment according to the present invention will be described with reference to the drawings.

(First embodiment)
First, the joint connector according to the first embodiment will be described.
FIG. 1 is a perspective view of a joint connector according to the first embodiment, and FIG. 2 is an exploded perspective view of the joint connector according to the second embodiment.

  As shown in FIGS. 1 and 2, the joint connector 11 </ b> A according to the first embodiment includes a joint connector main body 12 and a lid portion 13 that are molded from a synthetic resin.

  The joint connector main body 12 has a protector portion 21. The protector portion 21 is provided with three introduction ports 22, and three trunk lines 23 a constituting the wire harness 23 are introduced from these introduction ports 22, respectively.

  That is, the joint connector 11A is a three-branch joint connector to which the trunk wires 23a of the three wire harnesses 23 are connected.

  The wire harness 23 is a bundle of a plurality of electric wires 15, and these electric wires 15 are passed through a corrugated tube 24 to be protected. The corrugated tube 24 is made of a resin and has a bellows shape.

  The joint connector main body 12 in the protector portion 21 is formed with a semicircular recess 22a that forms the respective inlets 22. The trunk wire 23 a of the wire harness 23 has a corrugated tube 24 held by an introduction port 22 formed of a recess 22 a of the joint connector body 12.

  In the joint connector main body 12, a holding groove 25 communicating with the introduction port 22 is formed in the protector portion 21, and each trunk line of the wire harness 23 drawn from the end of the corrugated tube 24 is formed in the holding groove 25. The electric wire 15 of 23a is arrange | positioned.

  And in the holding groove 25 of this protector part 21, the some electric wire 15 is wired and the bundle | flux of the three bundles of electric wires 15 is formed. A connector 27 is connected to each end of the bundle of these electric wires 15.

  The joint connector main body 12 is provided with a connector holding portion 31 at a position adjacent to the protector portion 21. The connector holding portion 31 is formed with a plurality of receptacle portions 33 on the upper surface side thereof, and these receptacle portions 33 have end portions of bundles of the electric wires 15 drawn from the drawing portion A of the holding groove 25. Each connector 27 connected to is inserted and connected.

  These receptacle parts 33 are provided at positions that do not face the intersection X in the direction of introduction of the trunk line 23 a of the wire harness 23 to the protector part 21.

  The joint connector body 12 is provided with a lid portion 13, whereby the protector portion 21 having the lead-out portion A of the electric wire 15 and the receptacle portion 33 to which the connector 27 is connected are covered and protected by the lid portion 13. The

  Thus, according to the joint connector 11 </ b> A according to the first embodiment, the protector portion 21 that holds the lead-out portion A of the wire 15 of the wire harness 23 and the end portion of the wire 15 that is drawn from the trunk line 23 a of the wire harness 23. Since the receptacle part 33 to which the connector 27 to be connected can be connected is integrally provided, the branch line drawn out from the branch part of the wire harness and protected by the tape or the corrugated tube can be eliminated, and the cost can be reduced. be able to.

  Further, it is not necessary to separately fix the protector portion 21 and the receptacle portion 33 to the vehicle frame or the like, and the workability can be greatly improved by simplifying the fixing work. Further, since wiring can be performed simply by inserting the connector 27 into the receptacle 33, the number of jigs for supporting the connector or the like during wiring can be reduced as compared with the case where the connector is inserted into a separate connector body. Therefore, it is possible to facilitate the installation work.

  Here, at the intersection X in the direction of introduction of the trunk line 23a of the wire harness 23 to the protector portion 21, the electric wires 15 from the trunk lines 23a intersect to cause the electric wires 15 to be bulky. Moreover, also in the extraction part A of the electric wire 15 led to the receptacle part 33, the electric wires 15 intersect with each other, and bulkiness is generated.

  Therefore, if the receptacle part 33 is arranged at a position facing the crossing point X in the introduction direction of the main line 23a, the bulk of the electric wire 15 is increased, the protector part 21 is enlarged, and the wiring work of the electric wire 15 is complicated. Turn into.

  However, in the joint connector 11A, the receptacle 33 is provided at a position not facing the intersection X in the direction in which the trunk line 23a of the wire harness 23 to the protector 21 is introduced. can do. Thereby, the enlargement by the bulk of the electric wire 15 can be suppressed, and the wiring workability | operativity of the electric wire 15 can also be improved. That is, a joint connector into which a plurality of trunk lines 23a can be easily introduced can be obtained.

  Further, since the receptacle portion 33 is provided on the upper surface side of the joint connector body 12, the connection work of the connector 27 to the receptacle portion 33 can be facilitated, and the height of the receptacle portion 33 is suppressed, Thus, the overall thickness can be reduced.

  Further, the lid portion 13 attached to the joint connector body 12 can cover and protect the protector portion 21 having the lead portion A of the electric wire 15 and the receptacle portion 33 to which the connector 27 is connected. 27 prevents the electric wire 15 from being broken.

  Here, in order to explain the further superiority of the present invention, a reference example is shown in FIG.

  FIG. 3 is a perspective view of a joint connector of a reference example.

  As shown in FIG. 3, the joint connector 1 includes a connector 3 connected to the end of the branch line 2 and a connector body 4 to which these connectors 3 are connected.

  The branch line 2 to which the connector 3 of the joint connector 1 is connected is made of an electric wire drawn out from the connection portion of the trunk line 5a of the wire harness 5, and is bundled and protected by a corrugated tube or tape.

  Further, a branch portion of the wire harness 5 from which these branch lines 2 are drawn is protected by a protector 6 attached thereto.

  Since such a joint connector 1 is connected to the end of the branch line 2 branched from the wire harness 5, an electric wire corresponding to the length of the branch line 2 with the wire harness 5 is required. Must be bundled and protected with a tape or a corrugated tube to form the branch line 2, which increases the cost.

  Further, since the joint connector 1 is separately provided at a position away from the protector 6 at the branching point of the wire harness 5, the protector 6 and the joint connector 1 are respectively connected to the vehicle frame at the time of wiring so as not to swing. It is necessary to fix to the etc. with a fixing part. For this reason, the complicated fixing operation | work of these protectors 6 and the joint connector 1 is required, and a cost increase will be caused.

  Further, since the joint connector 1 has a structure in which the connector 3 is connected to each of the plurality of branch lines 2 and these connectors 3 are connected to the connector body 4, when the branch lines 2 are connected to the respective connectors 3. In addition, a plurality of jigs for supporting each connector 3 is required, and an operation for attaching the connector main body 4 to the connector 3 is also required separately.

  As described above, the joint connector 1 according to the reference example has a problem that a complicated fixing work and a wiring work are required, and the number of parts is large, resulting in a cost increase.

(Second Embodiment)
Next, a joint connector according to the second embodiment will be described. Note that the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  FIG. 4 is a perspective view of the joint connector according to the second embodiment, and FIG. 5 is an exploded perspective view of the joint connector according to the second embodiment.

  As shown in FIGS. 4 and 5, the joint connector 11 </ b> B has four introduction ports 22, and four trunk lines 23 a constituting the wire harness 23 are introduced from these introduction ports 22. .

  That is, the joint connector 11B is a four-branch joint connector to which the trunk wires 23a of the four wire harnesses 23 are connected.

  In this joint connector 11 </ b> B as well, the receptacle 33 is provided at a position not facing the intersection X in the direction of introduction of the trunk line 23 a of the wire harness 23 to the protector 21.

  And also in the case of the joint connector 11B which concerns on 2nd Embodiment, it connects to the protector part 21 holding the extraction | drawer part A of the electric wire 15 of the wire harness 23, and the edge part of the electric wire 15 pulled out from the trunk line 23a of the wire harness 23. Since the receptacle part 33 to which the connector 27 to be connected is integrally provided, the branch line drawn out from the branch part of the wire harness and protected by the tape or the corrugated tube can be eliminated, and the cost can be reduced. it can.

  Further, it is not necessary to separately fix the protector portion 21 and the receptacle portion 33 to the vehicle frame or the like, and the workability can be greatly improved by simplifying the fixing work. Further, since wiring can be performed simply by inserting the connector 27 into the receptacle 33, the number of jigs for supporting the connector or the like during wiring can be reduced as compared with the case where the connector is inserted into a separate connector body. Therefore, it is possible to facilitate the installation work.

  And since the receptacle part 33 is provided in the position which does not face the cross | intersection location X of the introduction direction of the trunk line 23a of the wire harness 23 to the protector part 21, the bulky location of the electric wire 15 can be disperse | distributed. Thereby, the enlargement by the bulk of the electric wire 15 can be suppressed, and the wiring workability | operativity of the electric wire 15 can also be improved. That is, a joint connector into which a plurality of trunk lines 23a can be easily introduced can be obtained.

  Further, since the receptacle portion 33 is provided on the upper surface side of the joint connector main body 12, the connection work of the connector 27 to the receptacle portion 33 can be facilitated, and the height of the receptacle portion 33 is suppressed, Thus, the overall thickness can be reduced.

(Third embodiment)
Next, a joint connector according to the third embodiment will be described. Note that the same components as those in the first and second embodiments are denoted by the same reference numerals and description thereof is omitted.

  FIG. 6 is a perspective view of a joint connector according to the third embodiment, and FIG. 7 is an exploded perspective view of the joint connector according to the third embodiment.

  As shown in FIGS. 6 and 7, the joint connector 11 </ b> C has three introduction ports 22, and three trunk lines 23 a constituting the wire harness 23 are respectively introduced from these introduction ports 22. .

  That is, the joint connector 11C is a three-branch joint connector to which the trunk wires 23a of the three wire harnesses 23 are connected.

  Also in this joint connector 11 </ b> C, the receptacle 33 is provided at a position not facing the intersection X in the direction of introduction of the trunk line 23 a of the wire harness 23 to the protector 21.

  In this joint connector 11 </ b> C, a plurality of receptacle portions 33 are formed on a side surface 32 of the joint connector main body 12 facing the lead-out portion A of the electric wire 15 of the connector holding portion 31 adjacent to the protector portion 21.

  Then, the connector 27 connected to the electric wire 15 is inserted into and connected to the receptacle 33 formed on the side surface 32 of the connector holding portion 31.

  And also in the case of the joint connector 11C which concerns on 3rd Embodiment, it connects with the protector part 21 holding the extraction | drawer part A of the electric wire 15 of the wire harness 23, and the edge part of the electric wire 15 pulled out from the trunk line 23a of the wire harness 23. Since the receptacle part 33 to which the connector 27 to be connected is integrally provided, the branch line drawn out from the branch part of the wire harness and protected by the tape or the corrugated tube can be eliminated, and the cost can be reduced. it can.

  Further, it is not necessary to separately fix the protector portion 21 and the receptacle portion 33 to the vehicle frame or the like, and the workability can be greatly improved by simplifying the fixing work. Further, since wiring can be performed simply by inserting the connector 27 into the receptacle 33, the number of jigs for supporting the connector or the like during wiring can be reduced as compared with the case where the connector is inserted into a separate connector body. Therefore, it is possible to facilitate the installation work.

  And since the receptacle part 33 is provided in the position which does not face the cross | intersection location X of the introduction direction of the trunk line 23a of the wire harness 23 to the protector part 21, the bulky location of the electric wire 15 can be disperse | distributed. Thereby, the enlargement by the bulk of the electric wire 15 can be suppressed, and the wiring workability | operativity of the electric wire 15 can also be improved. That is, a joint connector into which a plurality of trunk lines 23a can be easily introduced can be obtained.

  Further, since the plurality of receptacle portions 33 are formed on the side surface 32 of the joint connector body 12 facing the lead-out portion A of the connector holding portion 31, the length of the electric wire 15 from the lead-out portion A can be shortened as much as possible. it can.

(Fourth embodiment)
Next, a joint connector according to the fourth embodiment will be described. Note that the same components as those in the first, second, and third embodiments are denoted by the same reference numerals, and description thereof is omitted.

  FIG. 8 is a perspective view of the joint connector according to the fourth embodiment, and FIG. 9 is an exploded perspective view of the joint connector according to the fourth embodiment.

  As shown in FIGS. 8 and 9, the joint connector 11 </ b> D has four introduction ports 22, and four trunk lines 23 a constituting the wire harness 23 are introduced from these introduction ports 22. .

  That is, the joint connector 11D is a four-branch joint connector to which the trunk wires 23a of the four wire harnesses 23 are connected.

  In this joint connector 11D, the receptacle 33 is also provided at a position that does not face the intersection X in the direction in which the trunk line 23a of the wire harness 23 to the protector 21 is introduced.

  In this joint connector 11 </ b> D, a plurality of receptacle portions 33 are formed on a side surface 32 of the joint connector body 12 facing the lead-out portion A of the electric wire 15 of the connector holding portion 31 adjacent to the protector portion 21.

  Then, the connector 27 connected to the electric wire 15 is inserted into and connected to the receptacle 33 formed on the side surface 32 of the connector holding portion 31.

  And also in the case of the joint connector 11D which concerns on 4th Embodiment, it connects to the protector part 21 holding the extraction | drawer part A of the electric wire 15 of the wire harness 23, and the edge part of the electric wire 15 pulled out from the trunk line 23a of the wire harness 23. Since the receptacle part 33 to which the connector 27 to be connected is integrally provided, the branch line drawn out from the branch part of the wire harness and protected by the tape or the corrugated tube can be eliminated, and the cost can be reduced. it can.

  Further, it is not necessary to separately fix the protector portion 21 and the receptacle portion 33 to the vehicle frame or the like, and the workability can be greatly improved by simplifying the fixing work. Further, since wiring can be performed simply by inserting the connector 27 into the receptacle 33, the number of jigs for supporting the connector or the like during wiring can be reduced as compared with the case where the connector is inserted into a separate connector body. Therefore, it is possible to facilitate the installation work.

  And since the receptacle part 33 is provided in the position which does not face the cross | intersection location X of the introduction direction of the trunk line 23a of the wire harness 23 to the protector part 21, the bulky location of the electric wire 15 can be disperse | distributed. Thereby, the enlargement by the bulk of the electric wire 15 can be suppressed, and the wiring workability | operativity of the electric wire 15 can also be improved. That is, a joint connector into which a plurality of trunk lines 23a can be easily introduced can be obtained.

  Further, since the plurality of receptacle portions 33 are formed on the side surface 32 of the joint connector body 12 facing the lead-out portion A of the connector holding portion 31, the length of the electric wire 15 from the lead-out portion A can be shortened as much as possible. it can.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

11A, 11B, 11C, 11D Joint connector 15 Electric wire 21 Protector part 23 Wire harness 23a Trunk line 27 Connector 32 Side surface 33 Receptacle part A Lead-out part X Intersection

Claims (3)

A joint connector connected to an electric wire drawn from the trunk of the wire harness,
A protector portion that holds the lead-out portion of the electric wire in the main line, and a receptacle portion to which a connector connected to an end portion of the electric wire drawn out from the main line can be connected, are provided integrally.
A plurality of the trunk lines are introduced into the protector section, and the receptacle section is provided at a position that does not face an intersection in the direction of introduction of the trunk lines to the protector section. .   The joint connector according to claim 1, wherein the receptacle portion is provided on an upper surface.   The joint connector according to claim 1, wherein the receptacle portion is provided on a side surface facing the drawer portion.

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