Vehicle wire harness fixing structure

Abstract

The utility model provides a vehicle wire harness fixing structure, which belongs to the technical field of vehicle wire harness fixing and comprises a wire protecting plate, the wire protecting plate is arranged along the length direction of a vehicle, the wire protecting plate is fixed on a frame longitudinal beam and positioned between the edge of a trailer wood floor and the frame longitudinal beam, and a wiring space extending along the length direction of the vehicle is defined by the wire protecting plate and the frame longitudinal beam. A slide way is arranged on the inner wall of the wiring space, and a fixing clamp used for fixing a vehicle wire harness is connected into the slide way in a sliding mode. According to the utility model, no extra fixing hole needs to be formed in the frame longitudinal beam, and meanwhile, the torsional rigidity of the frame longitudinal beam can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of vehicle wiring harness fixing technology, and in particular relates to a vehicle wiring harness fixing structure. Background Technology

[0002] The electrical wiring harnesses for lighting and electromagnetic braking in multi-functional trailers are typically laid along the edges or bottom of the frame. To prevent damage from gravel impacts, mud and water intrusion, and snags, existing products generally adopt the following practices: a plastic corrugated sheath or rubber tubing is fitted over the wiring harness, and it is secured to the wiring harness path with clips, cable ties, etc. Rubber protective sleeves are installed where the wiring harness passes through metal holes.

[0003] Whether using a plastic corrugated sheath or a rubber sheath, fixing holes need to be made in the frame longitudinal beams to secure the wiring harness to the wiring harness path using clips, cable ties, etc. However, this method will undoubtedly reduce the torsional stiffness of the frame longitudinal beams. Utility Model Content

[0004] In view of the defects or deficiencies in the existing technology, this utility model provides a vehicle wiring harness fixing structure that does not require additional fixing holes to be made on the longitudinal beam of the vehicle frame, and can also improve the torsional stiffness of the longitudinal beam of the vehicle frame.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An embodiment of this utility model provides a vehicle wiring harness fixing structure, including a wire guard plate. The wire guard plate is arranged along the length of the vehicle and fixed on the longitudinal beam of the vehicle frame. It is located between the edge of the trailer wooden floor and the longitudinal beam of the vehicle frame. The wire guard plate and the longitudinal beam of the vehicle frame enclose a wiring space extending along the length of the vehicle. A slide rail is provided on the inner wall of the wiring space, and a fixing clip for fixing the vehicle wiring harness is slidably connected in the slide rail.

[0007] Furthermore, the L-shape of the frame longitudinal beam includes an upper flange parallel to the wooden floor and a vertical web perpendicular to the upper flange. The guard plate is fixedly connected to the web of the frame longitudinal beam. The guard plate is formed by bending metal sheet and includes a horizontal plate, a vertical plate, and a support plate. The horizontal plate, the vertical plate, and the support plate form a plate structure with a Z-shaped cross section.

[0008] Furthermore, the horizontal plate is set horizontally, located above the upper flange of the frame longitudinal beam, with the upper surface of the horizontal plate flush with the upper surface of the wooden floor, and the width of the horizontal plate is greater than the width of the upper flange of the frame longitudinal beam.

[0009] Furthermore, the vertical plate is set at a section of the horizontal plate near the wood flooring, the vertical plate is set perpendicular to the horizontal plate, the top of the vertical plate is connected to the horizontal plate, the bottom of the vertical plate extends downward, and the width of the vertical plate is equal to the thickness of the wood flooring.

[0010] Further, the supporting plate is arranged at the bottom end of the vertical plate, the supporting plate is horizontally arranged, one end of the supporting plate is connected with the vertical plate, and the other end of the supporting plate extends towards the side of the wood floor, and the bottom surface of the supporting plate is flush with the bottom surface of the upper flange of the longitudinal beam.

[0011] Further, the end of the transverse plate close to the web plate of the longitudinal beam is provided with a connecting plate, the connecting plate is arranged vertically to the transverse plate, the bottom end of the connecting plate is connected with the transverse plate, the top end of the connecting plate extends upwards, the connecting plate is arranged close to the web plate of the longitudinal beam, and a plurality of connecting holes are arranged on the connecting plate in the length direction of the connecting plate and are arranged side by side, and the connecting plate is riveted and fixed with the longitudinal beam.

[0012] Further, the upper flange of the longitudinal beam, the web plate of the longitudinal beam, the transverse plate of the wire protection plate and the vertical plate of the wire protection plate form a wire laying space, and the slide is arranged on the side wall of the vertical plate close to the wire laying space.

[0013] Further, the slide comprises flanges that are symmetrical to each other in the vehicle length direction, the two flanges are both L-shaped, a guide groove of the slide is formed between the two flanges, and the slide is open at both ends.

[0014] Further, the fixing clamp comprises a fixing block and a fixing ring, the fixing block is T-shaped and is matched with the slide, the fixing ring is located at the end of the fixing block away from the slide, the cross section of the fixing ring is annular, and the end of the fixing ring away from the fixing block is provided with an opening.

[0015] Further, a plurality of quick maintenance windows are arranged on the wire protection plate, the quick maintenance window comprises a maintenance through hole arranged on the wire protection plate and a movable cover plate covering the maintenance through hole, the contour size of the movable cover plate is larger than the size contour of the maintenance through hole, and the side edge of the movable cover plate is hinged to the outer wall of the wire protection plate through a hinge.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] 1. The utility model discloses a wire protection plate is fixed between the longitudinal beam and the wood floor, and the wire protection plate and the longitudinal beam form a wire laying space extending along the vehicle length direction, so that the wire harness protection and durability are improved, and the slide is arranged on the inner wall of the wire protection plate, the fixing clamp for fixing the wire harness of the vehicle is slidly connected in the slide, the opening fixing on the frame is not needed, and the torsional stiffness of the longitudinal beam of the frame is avoided.

[0018] 2. The utility model discloses that the wire protection plate is fixedly connected with the longitudinal beam through riveting, the original L-shaped cross section of the longitudinal beam forms the approximately closed rectangular cross section, and the torsional stiffness of the frame is greatly improved. DRAWINGS

[0019] Figure 1 It is a schematic diagram of the wire harness fixing structure in the utility model embodiment.

[0020] Figure 2 is a sectional view of the wire harness fixing structure in the embodiment of the utility model;

[0021] Figure 3 is a position relation diagram of the slide and the fixing clamp in the embodiment of the utility model;

[0022] Figure 4 is a connection relation diagram of the slide and the fixing clamp in the embodiment of the utility model;

[0023] Figure 5 is a schematic diagram of the quick maintenance window structure in the embodiment of the utility model;

[0024] 1, the wire guard plate; 101, the horizontal plate; 102, the vertical plate; 103, the supporting plate; 104, the connecting plate; 2, the longitudinal beam; 201, the upper flange; 202, the web; 3, the wooden floor; 4, the slide; 401, the flange; 5, the fixing clamp; 501, the fixed block; 502, the fixing ring; 6, the quick maintenance window; 601, the maintenance through hole; 602, the movable cover plate; 603, the hinge. DETAILED DESCRIPTION

[0025] The utility model is further explained in connection with the drawings and the embodiment.

[0026] A typical embodiment of the utility model, as Figure 1 indicated, a kind of vehicle wire harness fixing structure, including wire guard plate 1, wire guard plate 1 is bent into shape by sheet metal, wire guard plate 1 is arranged along car length direction, wire guard plate 1 is fixed on vehicle frame longitudinal beam 2, between trailer wooden floor 3 edge and vehicle frame longitudinal beam 2, wire guard plate 1 and vehicle frame longitudinal beam 2 are enclosed and form the wire-laying space extending along car length direction between, wire-laying space is provided with slide 4 on inner wall, slide 4 is slidably connected with the fixed clamp 5 for fixing vehicle wire harness, by forming wire-laying space in wire guard plate 1 and vehicle frame longitudinal beam 2, vehicle wire harness is fixed in wire-laying space by fixed clamp 5, realize wire harness whole process protection and durability promotion, while wire guard plate 1 and vehicle frame longitudinal beam 2 are fixedly connected, the L-shaped section of vehicle frame longitudinal beam 2 is partially similar to closed rectangular section, to improve the torsional stiffness of vehicle frame.

[0027] In the embodiment, as Figure 2 indicated, the L-shaped of vehicle frame longitudinal beam 2 includes the upper flange 201 parallel to wooden floor 3, and the vertical web 202 perpendicular to the upper flange 201.

[0028] The wire protection plate 1 comprises a horizontal plate 101, a vertical plate 102 and a supporting plate 103, which form a plate-shaped structure with a Z-shaped cross section, wherein the horizontal plate 101 is horizontally arranged above the upper flange 201 of the frame longitudinal beam 2, the upper surface of the horizontal plate 101 is flush with the upper surface of the wooden floor 3, the width of the horizontal plate 101 is greater than the width of the upper flange 201 of the frame longitudinal beam 2, the horizontal plate 101 is located between the edge of the wooden floor 3 and the web 202 of the frame longitudinal beam 2, forming a metal load-bearing edge of the wooden floor 3, which, when the vehicle is loaded, jointly bears part of the load from the goods, the walking of the personnel and the reaction force of the support points.

[0029] The vertical plate 102 is arranged on a section of the horizontal plate 101 close to the wooden floor 3 and is arranged perpendicularly to the horizontal plate 101, the top end of the vertical plate 102 is connected to the horizontal plate 101, the bottom end of the vertical plate 102 extends downward, the width of the vertical plate 102 is equal to the thickness of the wooden floor 3, and the vertical plate 102 closely abuts the side wall of the edge of the wooden floor 3, thereby playing a wrapping and stiffening role for the edge of the wooden floor 3 and preventing local impact damage and cracking of the edge.

[0030] The supporting plate 103 is arranged at the bottom end of the vertical plate 102, the supporting plate 103 is horizontally arranged, one end of the supporting plate 103 is connected to the vertical plate 102, and the other end of the supporting plate 103 extends toward the side of the wooden floor 3, and the bottom surface of the supporting plate 103 is flush with the bottom surface of the upper flange 201 of the frame longitudinal beam 2.

[0031] The vertical plate 102 and the supporting plate 103 form an L-shaped support structure for supporting the edge of the wooden floor 3, the bottom surface of the edge of the wooden floor 3 is in contact with the upper surface of the supporting plate 103, and the side wall of the edge of the wooden floor 3 is in contact with the vertical plate 102, thereby supporting the wooden floor 3 by means of the supporting plate 103 and limiting the wooden floor 3 by means of the vertical plate 102, so as to fix the wooden floor 3.

[0032] The horizontal plate 101 is provided with a connecting plate 104 at one end close to the web 202 of the longitudinal beam 2, the connecting plate 104 is arranged perpendicularly to the horizontal plate 101, the bottom end of the connecting plate 104 is connected to the horizontal plate 101, the top end of the connecting plate 104 extends upward, the connecting plate 104 closely abuts the web 202 of the longitudinal beam 2, a plurality of connecting holes are arranged side by side along the length direction of the connecting plate 104, the connecting plate 104 can be fixed to the longitudinal beam 2 by means of high-strength lock rivets, Huck bolts or high-strength bolts, thereby realizing the fixed connection between the wire protection plate 1 and the longitudinal beam 2, and some connecting positions can simultaneously pass through the edge of the wooden floor 3, so that the wire protection plate 1, the edge of the wooden floor 3 and the longitudinal beam 2 form a locally approximately closed composite thin-walled tail beam structure in the cross section, which is beneficial to improve the torsional stiffness of the frame and the load-bearing capacity of the edge of the wooden floor 3.

[0033] As Figure 3As shown, the upper flange 201 of the longitudinal beam 2, the web plate 202 of the longitudinal beam 2, the horizontal plate 101 of the wire protection plate 1 and the vertical plate 102 of the wire protection plate 1 enclose a wiring space for arranging the vehicle wire harness, and the slide 4 is located on the side wall of the vertical plate 102 close to the wiring space. By continuously rolling or stamping the inner wall of the wire protection plate 1, a pair of mutually symmetrical flanges 401 are formed in the vehicle length direction, both of which are L-shaped, and a guide groove of the slide 4 is formed between the two flanges 401 for the fixed clip 5 for clamping the wire harness to be embedded and slide in the vehicle length direction.

[0034] The flange 401 of the slide 4 is integrally bent or pressed from the same metal plate as the wire protection plate 1, without the need for welding a separate guide rail part. The flange 401 itself is equivalent to adding a continuous reinforcing rib along the length direction on the wire protection plate 1, which is beneficial to improve the local stiffness and local buckling resistance of the inner wall of the wire protection plate 1.

[0035] The slide 4 is open at both ends, and the fixed clip 5 can be embedded into the slide 4 from both ends of the slide 4, as shown in Figure 4 The fixed clip 5 includes a fixed block 501 and a fixed ring 502. The fixed block 501 is T-shaped and matched with the slide 4, and the fixed block 501 can be embedded into the slide 4 from the end of the slide 4. The fixed ring 502 is located at the end of the fixed block 501 away from the slide 4, and the cross section of the fixed ring 502 is circular. An opening is provided at the end of the fixed ring 502 away from the fixed block 501. The fixed ring 502 is elastic, and the wire harness can be clamped into the fixed ring 502 from the opening, thereby achieving the fixation of the wire harness.

[0036] Due to the wear, aging or poor contact problems that may occur in the wire harness during long-term use, and the wire protection plate 1 is permanently fixed with the vehicle frame by riveting process and is not convenient to disassemble as a whole, therefore, a quick maintenance window 6 is provided on the upper folding surface of the wire protection plate 1 corresponding to the wire harness connector and the key area prone to wear.

[0037] As shown in Figure 5 The quick maintenance window 6 includes a maintenance through hole 601 provided on the wire protection plate 1 and a movable cover plate 602 covering the maintenance through hole 601. The size profile of the movable cover plate 602 is larger than that of the maintenance through hole 601 to ensure good shielding. One side edge of the movable cover plate 602 is hinged to the outer wall of the wire protection plate 1 by a hinge 603, so that the movable cover plate 602 can be flipped open outwardly around the hinge axis.

[0038] By fixing the wire protection plate 1 between the longitudinal beam 2 of the vehicle frame and the wooden floor 3, the wire protection plate 1 and the longitudinal beam 2 of the vehicle frame enclose a wiring space extending in the vehicle length direction, realizing the whole protection and durability improvement of the wire harness, and at the same time, the slide 4 is provided on the inner wall of the wire protection plate 1, and the fixed clip 5 for fixing the vehicle wire harness is slidably connected in the slide 4, without the need for opening and fixing on the longitudinal beam 2 of the vehicle frame, thereby avoiding affecting the torsional stiffness of the longitudinal beam 2 of the vehicle frame.

[0039] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A vehicle wiring harness fixing structure, characterized in that, The device includes a cable guard plate, which is arranged along the length of the vehicle and fixed to the longitudinal beam of the vehicle frame. The cable guard plate is located between the edge of the trailer wooden floor and the longitudinal beam of the vehicle frame. The cable guard plate and the longitudinal beam of the vehicle frame enclose a wiring space that extends along the length of the vehicle. A slide rail is provided on the inner wall of the wiring space, and a fixing clip for fixing the vehicle wiring harness is slidably connected in the slide rail.

2. The vehicle wiring harness fixing structure as described in claim 1, characterized in that, The frame longitudinal beam is L-shaped, and includes an upper flange parallel to the wooden floor and a vertical web perpendicular to the upper flange. The wire guard plate is fixedly connected to the web of the frame longitudinal beam. The wire guard plate is formed by bending metal sheet and includes a horizontal plate, a vertical plate and a support plate. The horizontal plate, the vertical plate and the support plate form a plate structure with a Z-shaped cross section.

3. The vehicle wiring harness fixing structure as described in claim 2, characterized in that, The horizontal plate is set horizontally and is located above the upper flange of the frame longitudinal beam. The upper surface of the horizontal plate is flush with the upper surface of the wooden floor, and the width of the horizontal plate is greater than the width of the upper flange of the frame longitudinal beam.

4. The vehicle wiring harness fixing structure as described in claim 3, characterized in that, The vertical board is set at a section of the horizontal board near the wood flooring. The vertical board is perpendicular to the horizontal board, with its top end connected to the horizontal board and its bottom end extending downwards. The width of the vertical board is equal to the thickness of the wood flooring.

5. A vehicle wiring harness fixing structure as described in claim 4, characterized in that, The pallet is set at the bottom of the vertical plate. The pallet is set horizontally, with one end connected to the vertical plate and the other end extending toward the wooden floor. The bottom surface of the pallet is flush with the bottom surface of the upper flange of the longitudinal beam of the frame.

6. The vehicle wiring harness fixing structure as described in claim 2, characterized in that, A connecting plate is provided at one end of the transverse plate near the web of the longitudinal beam. The connecting plate is perpendicular to the transverse plate, with its bottom end connected to the transverse plate and its top end extending upward. The connecting plate is closely attached to the web of the longitudinal beam, and multiple connecting holes are arranged side by side along its length on the connecting plate for riveting and fixing to the longitudinal beam.

7. A vehicle wiring harness fixing structure as described in claim 2, characterized in that, The upper flange of the frame longitudinal beam, the web of the frame longitudinal beam, the horizontal plate of the cable guard plate, and the vertical plate of the cable guard plate together form a cable routing space, and the slide is located on the side wall of the vertical plate near the cable routing space.

8. The vehicle wiring harness fixing structure as described in claim 1, characterized in that, The slide rail includes symmetrical flanges along the length of the vehicle. Both flanges are L-shaped, and a guide groove for the slide rail is formed between the two flanges. Both ends of the slide rail are open.

9. A vehicle wiring harness fixing structure as described in claim 1, characterized in that, The fixing clamp includes a fixing block and a fixing ring. The fixing block is T-shaped and adapted to the slide rail. The fixing ring is located at the end of the fixing block away from the slide rail. The fixing ring has a circular cross-section and an opening at the end of the fixing ring away from the fixing block.

10. A vehicle wiring harness fixing structure as described in claim 1, characterized in that, The cable guard plate has multiple quick inspection windows, each including an inspection through hole on the cable guard plate and a movable cover plate covering the inspection through hole. The outline of the movable cover plate is larger than the outline of the inspection through hole, and one edge of the movable cover plate is hinged to the outer wall of the cable guard plate by a hinge.

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