JP2018114775A - Harness arrangement structure for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a harness arrangement structure for a vehicle by which a luggage space can be surely secured and by which a damage of the harness can be prevented.SOLUTION: A recessed shape is formed in a vehicle 1 by an under side member 12 and front and back longitudinal members 14, 15. A harness 3 is arranged from a front frame 5 to a rear frame 6 along the recessed shape. Each of plural attachment members by which the harness 3 is fixed to a vehicle body frame 2 includes a first attachment member 26 which is arranged on the front or rear of an upper end portion of one of front and rear ends of the recessed shape and by which the harness 3 is fixed to the front frame 5 or the rear frame 6 and a second attachment member 27 which is arranged on the rear or front of the first attachment member 26 and located next thereto and by which the harness 3 is fixed to the front longitudinal member 14 or the rear longitudinal member 15 forming the upper end portion of one of the front and rear ends of the recessed shape. The harness 3 is fixed to the vehicle body frame 2 in a state where an extra length of the harness 3 is absorbed between the first attachment member 26 and the second attachment member 27.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a harness wiring structure for a vehicle.

  Patent Document 1 discloses a rope member for assembling a harness for connecting electronic devices on the front and rear of a vehicle to a low-floor bus whose indoor floor is raised from the boarding / alighting step located at the left center in the vehicle width direction toward the rear of the vehicle. A wiring device is described.

JP 2010-68695 A

  By the way, when the harness is routed to the body frame, the harness may be bent due to an assembly error of the body frame or a variation in the length of the harness. Here, a front side member and a rear side member that extend in the front-rear direction in front and rear of the vehicle, and an underside member that extends in the front-rear direction below the front side member and the rear side member between the front side member and the rear side member. When a harness is routed along the front-rear direction in a vehicle in which a cargo space is provided in the underside member, there is a possibility that the cargo space cannot be ensured because the bent harness bulges into the cargo space. is there. Further, there is a possibility that the bent harness interferes with a member arranged in the cargo space and is damaged.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a harness routing structure that can reliably ensure a cargo space and can prevent damage to the harness.

  It has a vehicle body frame provided with an intermediate frame between a front frame at the front of the vehicle and a rear frame at the rear of the vehicle, and the front frame and the rear frame each include a front side member and a rear side member extending in the front-rear direction. The intermediate frame includes an underside member that extends in the front-rear direction below the front side member and the rear side member, and a front vertical member that extends in the vertical direction and connects the rear end portion of the front side member and the front end portion of the underside member. And a vertical member on the rear side that extends in the vertical direction and connects the front end portion of the rear side member and the rear end portion of the underside member. A concave shape is formed by the underside member and the front and rear vertical members. The vehicle harness wiring structure includes a harness and a plurality of attachment members. The harness is routed along the concave shape from the rear end portion of the front frame to the front end portion of the rear frame through the intermediate frame. The plurality of attachment members fix the harness to the vehicle body frame.

  The plurality of mounting members are arranged in front or rear of one upper end of the concave front end or rear end, and fix the harness to the rear end of the front frame or the front end of the rear frame. A member, and a second attachment member that is arranged on the rear side or the front side of the first attachment member and fixes the harness to the front or rear vertical member that forms one concave upper end. A plurality of harnesses are absorbed in the state where the extra length of the harness is absorbed between the first mounting member and the second mounting member so that the harness does not become slack in the region except between the first mounting member and the second mounting member. The fixing member is fixed to the vehicle body frame.

  In the above configuration, the first fixing member that is disposed in front of or behind one upper end of the concave front end or rear end and fixes the harness to the rear end of the front frame or the front end of the rear frame; In a region excluding the space between the first fixing member and the second fixing member that is arranged next to or in front of the first mounting member and fixes the harness to the front or rear vertical member that forms one upper end of the concave shape. The harness is fixed to the vehicle body frame by the plurality of attachment members in a state where the extra length of the harness is absorbed between the first attachment member and the second attachment member so that the harness does not become slack. For this reason, even when a harness is routed in a vehicle in which a cargo space is provided inside the concave shape of the intermediate frame, the harness does not bulge into the cargo space and the cargo space is reliably secured. can do. Moreover, damage to the harness due to interference with members arranged in the cargo space can be prevented.

  Moreover, the connector which connects a harness so that separation is possible may be provided in the intermediate part of the harness. The plurality of attachment members include an inclined bracket that is disposed on the other upper end of the concave front end side or rear end side, is fixed to the vehicle body frame, and is inclined with respect to the vertical direction and the vertical direction. The connector is fixed to the inclined bracket.

  In the above configuration, since the connector for connecting the harness in a separable manner is provided in the middle part of the harness, the length variation of the harness can be reduced as compared with the case where one harness is routed to the body frame. It is possible to suppress loosening of the harness due to variations in the length.

  A connector is fixed to the vertical bracket and an inclined bracket that is inclined with respect to the vertical direction. Therefore, even when water enters the vehicle body frame, it is difficult for water to collect on the inclined surface, and water can be prevented from entering the connector.

  According to the present invention, it is possible to reliably secure a cargo space and prevent damage to the harness.

It is a perspective view which shows a vehicle provided with the harness wiring structure of the vehicle which concerns on this embodiment. It is II-II arrow sectional drawing of FIG. It is a principal part enlarged view of the concave front end part of the vehicle of FIG. FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3. It is a principal part enlarged view of the concave rear end part of the vehicle of FIG. It is VI-VI arrow sectional drawing of FIG.

  Hereinafter, a harness routing device for a vehicle according to an embodiment of the present invention will be described in detail with reference to the drawings. In the drawing, an arrow FR indicates the front of the vehicle, an arrow UP indicates the upper side, and an arrow IN indicates the inner side of the vehicle width. In the following description, the front-rear direction means the front-rear direction of the vehicle, and the left-right direction means the left-right direction in a state where it faces the front of the vehicle.

  As shown in FIG. 1, a vehicle (a bus in this embodiment) 1 to which a harness wiring structure for a vehicle according to the present embodiment is applied is a vehicle having a luggage space substantially in the center in the front-rear direction. The harness routing structure includes a vehicle body frame 2, a harness 3, and a plurality of harness brackets (attachment members) 4 that fix the harness 3 to the vehicle body frame 2.

  As shown in FIGS. 1 and 2, the vehicle body frame 2 includes a front frame 5 provided at the front portion of the vehicle 1, a rear frame 6 provided at the rear portion of the vehicle 1, and a space between the front frame 5 and the rear frame 6. And an intermediate frame 7 provided in the frame. The front frame 5 includes left and right front side members 8 that extend in the front-rear direction at the front portion of the vehicle 1 and a plurality of front cross members 9 that extend in the vehicle width direction and connect the left and right front side members 8. The rear frame 6 includes left and right rear side members 10 that extend in the front-rear direction at the rear portion of the vehicle 1, and a rear cross member 11 that extends in the vehicle width direction and connects the left and right rear side members 10. The intermediate frame 7 includes left and right underside members 12 extending in the front-rear direction below the left and right front side members 8 and rear side members 10, and left and right extending above the left and right front side members 8 and rear side members 10 in the front and rear direction. Upper and left side members 13, and left and right front vertical members 14 that extend in the vertical direction and connect the front end portions of the left and right upper side members 13 and underside members 12 to the rear end portions of the left and right front side members 8, Left and right rear vertical members 15 that extend in the vertical direction and connect the rear ends of the left and right upper side members 13 and underside members 12 and the front ends of the left and right rear side members 10, and extend in the vertical direction Left and right middle vertical members that connect the front and rear approximate center of the upper side member 13 and the underside member 12 Having 6, the under-cross member 17 of a plurality (five in this embodiment) for connecting the left and right of the under side members 12 extends in the vehicle width direction. A concave shape is formed in the intermediate frame 7 of the vehicle body frame 2 by the left and right underside members 12, the front vertical member 14, and the rear vertical member 15.

  The harness 3 includes a first harness 18 routed in the front frame 5 and the intermediate frame 7 and a second harness 19 routed in the rear frame 6. A first connector 20 is provided at the rear end of the first harness 18, and a second connector 21 connected to the first connector 20 is provided at the front end of the second harness 19. By connecting the first connector 20 and the second connector 21, the first harness 18 and the second harness 19 are coupled. The first harness 18 is routed along the front frame 5 along the front-rear direction, and is arranged along the concave shape of the intermediate frame 7 from the rear end portion of the front frame 5 to the front end portion of the rear frame 6 via the intermediate frame 7. Searched for. The second harness 19 is routed along the front-rear direction from the front end of the rear frame 6 in a state where the second connector 21 of the second harness 19 is connected to the first connector 20 of the first harness 18.

  The plurality of harness brackets 4 includes a front bracket 22 that fixes the first harness 18 with respect to the front frame 5, an intermediate bracket 23 that fixes the first harness 18 with respect to the intermediate frame 7, and a first bracket with respect to the rear frame 6. 2 It has the rear side bracket 24 which fixes the harness 19, and the inclination bracket 25 which supports the connection part of the 1st connector 20 and the 2nd connector 21. As shown in FIG.

  The front bracket 22 is disposed in front of the upper end of the concave front end, and has a first bracket (first mounting member) 26 fixed to the front cross member 9 disposed at the rear end of the front frame 5. . The intermediate bracket 23 is disposed adjacent to the rear of the first bracket 26, and has a second bracket (second mounting member) 27 fixed to the front vertical member 14 forming the upper end of the concave front end, and left and right Provided between the plurality of (three in this embodiment) cross-side brackets 28 provided between the underside members 12 and attached to the undercross member 17 and the left and right underside members 12. A plurality of (four in this embodiment) side brackets 29 are attached. The cross-side brackets 28 and the side-side brackets 29 provided between the left and right underside members 12 are alternately arranged along the front-rear direction. The rear bracket 24 is fixed to the rear cross member 11 provided at the front end portion of the rear frame 6. The inclined bracket 25 is disposed at the upper end of the concave rear end side and is fixed to the upper end of the rear vertical member 15. The inclined bracket 25 is formed with an inclined surface 30 that is inclined obliquely upward.

  When the harness 3 is fixed to the vehicle body frame 2, first, the first connector 20 and the second connector 21 are connected to each other by connecting the first connector 20 and the second connector 21. 2 The connection part with the connector 21 is fixed to the inclined surface 30 of the inclined bracket 25, the second harness 19 is fixed in order from the second connector 21 side to the rear, and the first harness 18 is sequentially forward from the first connector 20 side. It fixes to the 2nd bracket 27 so that slack does not generate | occur | produce. Next, the 1st harness 18 is fixed to the 1st bracket 26 so that slack may not generate | occur | produce in order from the vehicle front side to back. The order of fixing the harness 3 and connecting the connector is arbitrary. For example, after the first harness 18 is fixed up to the first bracket 26 so that the first harness 18 does not loosen in order from the vehicle front side to the rear in the harness connected state, The connecting portion between the first connector 20 and the second connector 21 is fixed to the inclined surface 30 of the inclined bracket 25, the second harness 19 is fixed in order from the second connector 21 to the rear, and the first harness 18 is fixed to the first connector 20. The first bracket 26 may be fixed up to the second bracket 27 so that the slack does not occur in order from the side to the front, and the first bracket 18 does not slack in order from the vehicle front side to the rear in the harness connected state. Until the connection portion between the first connector 20 and the second connector 21 is fixed to the inclined surface 30 of the inclined bracket 25, and the first harness 18 is 1 is fixed from the connector 20 side to the second bracket 27 so as not slack occurs sequentially forward, it may be fixed to the second harness 19 in order backward from the second connector 21 side.

  In the above configuration, the first bracket 26 that is disposed in front of the upper end portion of the concave front end portion and that fixes the first harness 18 to the rear end portion of the front frame 5 is disposed adjacent to the rear of the first bracket 26. The first harness 18 is not slackened in a region excluding the space between the second bracket 27 that fixes the first harness 18 to the front vertical member 14 forming the upper end of the concave front end. In addition, the first harness 18 is fixed to the vehicle body frame 2 by the plurality of harness brackets 4 in a state where the extra length of the first harness 18 is absorbed between the first bracket 26 and the second bracket 27. For this reason, even when the harness 3 is routed in the vehicle 1 in which the cargo space is provided inside the concave shape of the intermediate frame 7, the harness 3 does not bulge into the cargo space. Can be ensured. Moreover, the damage of the harness 3 resulting from interference with the member arrange | positioned in cargo space can be prevented.

  Moreover, since the 1st connector 20 and the 2nd connector 21 which connect the harness 3 so that separation is possible are provided in the intermediate part of the harness 3, compared with the case where one harness 3 is routed to the vehicle body frame 2, Variations in length can be reduced, and slack in the harness 3 due to variations in length can be suppressed.

  In addition, a connection portion between the first connector 20 and the second connector 21 is fixed to an inclined bracket 25 having an inclined surface 30 inclined obliquely upward. Therefore, even when water enters the vehicle body frame 2, it is difficult for water to accumulate on the inclined surface 30, and water can be prevented from entering the connection portion between the first connector 20 and the second connector 21.

  In the above-described embodiment, the intermediate frame 7 is lower than the left and right front side members 8 and the rear side member 10, and the left and right underside members 12 that extend in the front-rear direction, and the left and right front side members 8 and the rear side members 10. The left and right upper side members 13 that extend in the front-rear direction above and the left and right upper side members 13 that extend in the vertical direction and connect the front end portions of the left and right upper side members 13 and the underside members 12 to the rear end portions of the left and right front side members 8. A front vertical member 14; a left and right rear vertical member 15 that extends in the vertical direction and connects the rear end portions of the left and right upper side members 13 and underside members 12 and the front end portions of the left and right rear side members 10; Extends in the vertical direction and connects the left and right upper side members 13 and the underside member 12 at approximately the center in the front and rear direction That the left and right intermediate vertical member 16 has been illustrated a structure having a plurality of the under cross member 17 connecting the left and right of the under side members 12 extends in the vehicle width direction, but is not limited thereto. For example, the intermediate frame 7 includes left and right underside members 12 that extend in the front-rear direction below the left and right front side members 8 and the rear side member 10, and a front end portion of the underside member 12 that extends in the vertical direction and the left and right front sides. The left and right front vertical members 14 that connect the rear end of the member 8, and the left and right rear side members that extend in the vertical direction and connect the rear end of the underside member 12 and the front end of the left and right rear side members 10. A structure having a vertical member 15 and a plurality of undercross members 17 extending in the vehicle width direction and connecting the left and right underside members 12 may be used.

  In addition, the first bracket 26 is disposed in front of the upper end of the concave front end, and is fixed to the rear end of the front frame 5, and the second bracket 27 is disposed adjacent to the rear of the first bracket 26. The structure is fixed to the front vertical member 14 that forms the upper end portion of the front end portion, and the inclined bracket 25 is disposed at the upper end portion on the rear end side of the concave shape and fixed to the upper end portion of the rear vertical member 15. However, the present invention is not limited to this. For example, the first bracket 26 is disposed behind the upper end portion of the rear end portion of the concave shape, is fixed to the front end portion of the rear frame 6, and the second bracket 27 is disposed adjacent to the front side of the first bracket 26. It is fixed to the rear vertical member 15 forming the upper end of the rear end, and the inclined bracket 25 is disposed at the upper end of the concave front end, and fixed to the upper end of the front vertical member 14. May be.

  As mentioned above, although this invention was demonstrated based on the said embodiment, this invention is not limited to the content of the said embodiment, Of course, it can change suitably in the range which does not deviate from this invention. That is, it is needless to say that other embodiments, examples, operation techniques, and the like made by those skilled in the art based on this embodiment are all included in the scope of the present invention.

  The harness wiring structure for a vehicle of the present invention can be widely used for trucks and other vehicles.

1 Vehicle 2 Body Frame 3 Harness 4 Harness Bracket (Mounting Member)
5 front frame 6 rear frame 7 intermediate frame 8 front side member 9 front cross member 10 rear side member 11 rear cross member 12 underside member 13 upper side member 14 front vertical member 15 rear vertical member 16 intermediate vertical member 17 under Cross member 18 First harness 19 Second harness 20 First connector 21 Second connector 22 Front bracket 23 Intermediate bracket 24 Rear bracket 25 Inclined bracket 26 First bracket (first mounting member)
27 Second bracket (second mounting member)
28 Cross bracket 29 Side bracket 30 Inclined surface

Claims (2)

There is a vehicle body frame provided with an intermediate frame between a front frame at the front of the vehicle and a rear frame at the rear of the vehicle, and the front frame and the rear frame each include a front side member and a rear side member that extend in the front-rear direction. The intermediate frame includes an underside member extending in the front-rear direction below the front side member and the rear side member, a rear end portion of the front side member extending in the vertical direction, and a front end portion of the underside member. And a front vertical member that extends in the vertical direction and connects a front end portion of the rear side member and a rear end portion of the underside member, the underside member and the A vehicle harness wiring structure in which a concave shape is formed by front and rear vertical members,
A harness routed along the concave shape from the rear end of the front frame to the front end of the rear frame via the intermediate frame;
A plurality of mounting members for fixing the harness to the vehicle body frame,
The plurality of mounting members are disposed in front of or behind one upper end of the concave front end or rear end, and the harness is connected to the rear end of the front frame or the front end of the rear frame. The first mounting member to be fixed, and the harness is fixed to the front or rear vertical member that is disposed next to or in front of the first mounting member and forms the one upper end of the concave shape. And a second mounting member
The extra length of the harness is absorbed between the first mounting member and the second mounting member so that the harness does not sag in a region other than between the first mounting member and the second mounting member. In the state, the harness is fixed to the vehicle body frame by the plurality of mounting members. The vehicle harness wiring structure according to claim 1,
A connector for connecting the harness in a separable manner is provided at an intermediate portion of the harness,
The plurality of mounting members are disposed on the other upper end of the concave front end side or rear end side, and are fixed to the vehicle body frame, and include an inclined bracket that is inclined with respect to a vertical direction and a vertical direction,
The connector is fixed to the inclined bracket. A harness wiring structure for a vehicle.

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