JP4163638B2 - Connection structure for vehicle door wire harness - Google Patents

Description

  The present invention relates to a vehicle door wire harness connection structure, and more particularly to a vehicle door wire harness connection structure characterized by a connector connected with a waterproof sheet interposed therebetween.

Conventionally, a technique has been disclosed in which a wire harness routed between two waterproof sheets is routed through the waterproof sheet (see, for example, Patent Document 1).
As shown in FIG. 9, the wire harness 100 has a plurality of electric wires 102 including branch electric wires 101, and is sandwiched between a first sheet member 103 and a second sheet member 104. The terminal of the branch electric wire 101 is connected to the connector portion 105, and the connector portion 105 is provided on either the first sheet member 103 or the second sheet member 104 (second sheet member 104 in FIG. 9). The rectangular cutout 106 is penetrated.

  An insertion connecting member 108 is formed from the connector portion 105 and the main body 107 that is tightly bonded to either the first sheet member 104 or the second sheet member 105 around the connector portion 105. The periphery of the connector portion 105 in the main body 107 is formed in a planar shape and becomes a joint portion 109. In addition, a rectangular notch 111 is provided at the outer peripheral end 110 of the main body 107, and the branch wire 101 is guided from the notch 111 into the main body 107.

  Accordingly, the branch wire 101 is routed through the first sheet member 103 or the second sheet member 104 while maintaining waterproofness between the first sheet member 104 and the second sheet member 105. it can.

In addition, a connector structure is disclosed in which a waterproof sheet provided with a notch corresponding to the connector is sandwiched between a pair of connectors that are fitted to each other on the entire circumference, and penetrates the waterproof sheet (see, for example, Patent Document 2).
In this connector structure, for example, a rectangular notch smaller than the connector is provided in the waterproof sheet, and radial slits are provided from each corner.
Japanese Patent Laid-Open No. 10-261327 (FIG. 2) JP-A-6-231828

By the way, in the arrangement of the wire harness 100 disclosed in Patent Document 1 described above, a dedicated process for bringing the waterproof sheets 103 and 104 into close contact with the connector portion 105 is required. A dedicated jig is required depending on the number. Further, it is necessary to provide the notches 106 in the waterproof sheets 103 and 104 in advance, and there is a disadvantage that workability is poor.
In addition, the connector structure disclosed in Patent Document 2 described above has a disadvantage that although it has a simple structure and good workability, there is a possibility that water may be submerged from the slit portions provided at the four corners of the notch.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a connection structure for a vehicle door wire harness capable of improving the mounting workability and improving the reliability of waterproofing. It is in.

1) In order to achieve the above-described object, a connection structure for a vehicle door wire harness according to the present invention includes a first connector connected to an electrical component provided on the outer panel side of a waterproof sheet in the vehicle door; The connection structure with the second connector connected to the wire harness arranged on the trim panel side of the waterproof sheet, the terminal of the first connector can penetrate the waterproof sheet, engaging portion that is engaged engaged portion of said second connector provided on the first connector also Ri penetrable der the waterproof sheet, the engagement portion to the terminals of the first connector It is characterized by providing .

In the vehicle door wire harness connection structure thus configured, the terminal of the first connector connected to the electrical component provided on the outer panel side of the waterproof sheet in the vehicle door passes through the waterproof sheet. Can be connected to the second connector. The engaging portion for holding the first connector connected to the second connector can also penetrate the waterproof sheet. As a result, it is not necessary to provide a notch in the waterproof sheet, and it can be connected to the second connector simply by penetrating the waterproof sheet through the terminal and the engaging portion of the first connector. Can be improved. In addition, the terminal of the first connector penetrates the waterproof sheet and is electrically connected to the second connector, and at the same time, it is prevented from falling off by the engaging portion provided in the terminal, so that the connector can be made compact.

  2) Moreover, the connection structure of the wire harness for vehicle doors concerning this invention provides a waterproof member in the surface which contact | connects the said 1st connector and the said waterproof sheet, and it connects to the said 1st connector and the said 1st connector. It is characterized in that a waterproof plug is provided between the electric wire to be connected.

  In the vehicle door wire harness connection structure configured as described above, the waterproof member provided between the first connector and the waterproof sheet is the first when the waterproof sheet is penetrated by the terminal of the first connector. The connector is closely attached to the waterproof sheet to maintain waterproofness. Moreover, the waterproofness between an electric wire and a connector can be improved with the waterproof plug provided in the attachment part of an electric wire and a connector.

  According to the present invention, the mounting workability can be improved with a simple structure, and the waterproof reliability can be improved.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing an embodiment according to a connection structure of a vehicle door wire harness according to the present invention, FIG. 2 is a cross-sectional view showing a male connector and a female connector at the time of joining, and FIGS. FIG. 4A is a perspective view showing a state in which the terminal is engaged by the locking arm, and FIG. 4B is another example of the locking portion of the locking arm. FIG. 5A is a perspective view showing a state in which the terminals of the male connector have penetrated the waterproof sheet halfway, and FIG. 5B is a perspective view showing a state in which the male connector and the female connector are joined. FIG. 6 is a cross-sectional view showing an application example of a connection structure for a vehicle door wire harness according to the present invention.

  As shown in FIG. 1 and FIG. 6, a vehicle door wire harness connection structure 10 according to an embodiment of the present invention includes, for example, a vehicle door 50 having an outer panel 51 and a trim panel 52. The waterproof male connector 20 as the first connector connected to the electrical component 53 provided in the cable and the second connected to the wire harness W / H arranged on the trim panel 52 side of the waterproof sheet 40. It is a connection structure with the female connector 30 as a connector. The outer panel 51 is provided with a glass 54 that can be moved up and down, and the electric component 53 can be exemplified by a power window motor.

  As shown in FIGS. 1 and 2, the male connector 20 includes a connector housing 21 having, for example, a rectangular box shape, and a plurality of terminals 23 connected to the electric wires 22 protrude from the front surface 21 a of the connector housing 21. ing. Further, the outer peripheral portion of the front surface 21a of the connector housing 21 is provided with a collar portion 21b that is retreated one step over the entire circumference, and for example, a rubber waterproof member 24 that is in contact with the waterproof sheet 40 is provided on the entire circumference. It has been. As a result, the front surface 21 a of the connector housing 21 provided with the terminals 23 is waterproofed by the waterproof member 24 and the waterproof sheet 40. As shown in FIG. 2, for example, rubber waterproof plugs 25 are provided in the electric wires 22 where the electric wires 22 enter the male connectors 20, and waterproof between the electric wires 22 and the male connectors 20. Improves sex.

  As shown in FIG. 3A, the tip 23a of the terminal 23 is pointed and can be penetrated without providing a cut in the waterproof sheet 40. A locking hole 23b as an engaging portion is provided near the tip 23a of the terminal 23. In addition, as another example of the engaging portion provided in the terminal 23, as shown in FIG. 3B, a locking groove 23c can be provided.

  As shown in FIGS. 1 and 2, the female connector 30 has, for example, a rectangular box-shaped connector housing 31, and a plurality of terminals 33 connected to the electric wires 32 are provided inside the connector housing 31. It has been. The terminal 33 is adapted to be fitted with the terminal 23 of the male connector 20. A terminal hole 31 b (see FIG. 2) is provided on the front surface of the connector housing 31 in an arrangement corresponding to the terminals 23 of the male connector 20. A concave portion 31a is provided at the center of the upper and lower surfaces of the connector housing 31, and a locking arm 34 as an engaged portion is provided in a cantilevered manner in the concave portion 31a.

  Accordingly, when no force is applied, the locking arm 34 maintains a horizontal state, but when a force is applied in the vertical direction, the locking arm 34 can be moved in the vertical direction. It is supposed to return to the state. A locking portion 34 a that engages with a locking hole 23 b provided in the terminal 23 of the male connector 20 is provided at the tip of the locking arm 34 toward the inside of the connector housing 31.

  Therefore, as shown in FIG. 4A, the locking portion 34a of the locking arm 34 enters and engages with the locking hole 23b provided in the terminal 23 of the male connector 20, and the terminal 23 does not fall off. Like that. In addition, when the engaging part provided in the terminal 23 is a locking groove as shown in FIG. 3 (B), the locking part 34b of the locking arm 34 is as shown in FIG. 4 (B). In addition, the one with a bifurcated tip is used.

Next, based on FIG. 1, FIG. 5 (A) and (B), the joining operation | movement of a connector is demonstrated.
As shown in FIG. 1, the male connector 20 and the female connector 30 to be joined are opposed to each other with the mounting position of the waterproof sheet 40 interposed therebetween. Then, as shown in FIG. 5A, the tip 23 a of the terminal 23 of the male connector 20 is pierced into the waterproof sheet 40. At this time, since the tip 23 a of the terminal 23 is sharp, it is not necessary to provide a cut or the like in the waterproof sheet 40. Thereby, the waterproof sheet 40 can be penetrated while making a cut according to the cross section of the terminal 23. Next, as shown in FIG. 5B, the terminal hole 30 b of the female connector 30 is aligned with the terminal 23 penetrating the waterproof sheet 40 and pressed against the male connector 30. Thereby, since the locking hole 23b of the terminal 23 of the male connector 20 is locked by the locking portion 34a of the locking arm 34 of the female connector 30, both the terminals 23 and 33 are held in the connected state. Moreover, since the waterproof member 24 attached to the flange portion 21b of the connector housing 21 of the male connector 20 is pressed against and closely contacts the waterproof sheet 40, the waterproof property of the male connector 20 can be improved.

  As described above, according to the vehicle door wire harness connection structure 10 described above, the periphery of the male connector 20 penetrating the waterproof sheet 40 is surrounded by the waterproof member 24, and the waterproof member 24 is pressed against the waterproof sheet 40 and sealed. Since the waterproof plug 25 is provided between the male connector 20 and the electric wire 22, the waterproof reliability of the male connector 20 can be improved with a simple structure. Moreover, since joining is completed only by inserting the terminal 23 of the male connector 20 in the terminal hole 31b of the female connector 30 across the waterproof sheet 40, workability can be improved.

In addition, the connection structure of the wire harness for vehicle doors of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.
For example, in the above-described embodiment, the locking hole 23b or the locking groove 23c, which is an engaging portion, is provided integrally with the terminal 23 of the male connector 20, but the engaging portion is different from the terminal 23 of the male connector 20. It can also be provided separately. That is, as shown in FIG. 7, the locking member 26 as an engaging portion is provided at a position corresponding to the outside of the connector housing 31 of the female connector 30 and inside the waterproof member 24 or the waterproof member 24. The tip 26a of the locking member 26 is sharpened in the same manner as the terminal 23, and a locking hole 26b is provided near the tip 26a. On the other hand, an engagement protrusion 35 as an engaged portion is provided on the outer surface of the connector housing 31 of the female connector 30. Even if it does in this way, the effect similar to the case mentioned above can be acquired.

8A and 8B show a case where another male connector 20A is used. 8A is a cross-sectional view showing a state before joining, and FIG. 8B is a cross-sectional view showing a state at the time of joining. In addition, the same code | symbol is attached | subjected to the site | part which is common in the case mentioned above, and the overlapping description is abbreviate | omitted.
The male connector 20 </ b> A has a main body 27 having terminals 23, and a male terminal cover 28 that is slidable back and forth relative to the main body 27 around the main body 27. As shown in FIG. 8A, the male terminal cover 28 before connection is connected to the main body 27 by a bridging portion 27a provided on the outer surface of the main body 27 by integral molding. As shown in FIG. 8B, at the time of joining, the bridging portion 27a is broken and the male terminal cover 28 is slid in the direction of the arrow. Even if it does in this way, the effect | action and effect similar to the above-mentioned case can be acquired.

It is a perspective view which shows embodiment which concerns on the connection structure of the wire harness for vehicle doors of this invention. It is a cross section which shows the male connector and female connector at the time of joining. (A) And (B) is a perspective view which shows the shape of the terminal of a male connector. (A) is a perspective view which shows the state which has engaged the terminal with the latching arm, (B) is a perspective view which shows another example of the latching | locking part of a latching arm. (A) is a perspective view which shows the state which the terminal of the male connector penetrated the waterproof sheet to the middle, (B) is a perspective view which shows the state in which the male connector and the female connector were joined. It is sectional drawing which shows the application example of the connection structure of the wire harness for vehicle doors which concerns on this invention. It is a perspective view which shows the case where a latching | locking part is provided separately from the terminal. (A) And (B) is sectional drawing which shows the case where another male connector is used. It is a perspective view which shows the connection structure of the conventional wire harness.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Connection structure of wire harness for vehicle doors 20 Male connector (1st connector)
22 Electric wire 23 Terminal 23b Locking hole (engagement part)
24 Waterproof member 25 Waterproof plug 30 Female connector (second connector)
34a Locking part (engaged part)
40 Tarpaulin 50 Vehicle Door 51 Outer Panel 52 Trim Panel 53 Electrical Equipment W / H Wire Harness

Claims (2)

A first connector connected to an electrical component provided on the outer panel side of the waterproof sheet in the vehicle door, and a second connector connected to a wire harness W / H arranged on the trim panel side of the waterproof sheet. A connection structure with a connector,
The terminal of the first connector can penetrate the waterproof sheet, and the engaging portion provided on the first connector and engaged with the engaged portion of the second connector is also the waterproof sheet 40. penetrable der the is,
A connection structure of a wire harness for a vehicle door, wherein the engaging portion is provided on a terminal of the first connector .   A waterproof member is provided on a surface in contact with the first connector and the waterproof sheet, and a waterproof plug is provided between the first connector and an electric wire connected to the first connector. Item 2. A connection structure for a wire harness for a vehicle door according to Item 1.

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