JP2020040530A - Reinforcement structure for under-lamp protector - Google Patents

Abstract

To provide a reinforcement structure for an under-lamp protector, the reinforcement structure effectively using a long, straight on-vehicle tool mounted on a vehicle.SOLUTION: A protector body 10 has: a protector supported portion 16 fixedly supported on the vehicle-body side; and a central area 17 and a projection area 18 extending inside and outside in a vehicle width direction from the protector supported portion 16. Support portions 27A, 27B on the inside-end side are fixed to the protector supported portion 16 and support the respective inside-end sides, in a vehicle width direction, of operation bars 22A, 22B. A support portion 11 on the outside-end side is fixed to the outside end, in the vehicle width direction, of the projection area 18 and detachably supports the outside ends, in the vehicle width direction, of the operation bars 22A, 22B. The operation bars 22A, 22B are long, straight on-vehicle tools and mounted on the vehicle by being supported by the support portions 27A, 27B on the inside-end side and the support portion 11 on the outside-end side and fixed to the protector body 10. In addition, these operation bars reinforce an under-lamp protector.SELECTED DRAWING: Figure 2

Description

  The present disclosure relates to a reinforcement structure for an underrun protector.

  Patent Literature 1 describes a spare tire carrier device in which a pair of spare tire hangers is provided between side frames and a hoist is mounted between the spare tire hangers. The disk wheel on which the spare tire is mounted is suspended by being mounted on and supported by a suspension plate that is raised and lowered by a hoist. Lifting and lowering of the suspended suspension plate is performed by rotating a hole formed in the side surface of the side frame and a handle inserted into the hoist.

JP 2012-131407 A

  The handles used for lifting and lowering spare tires are on-board tools that are always mounted on the vehicle. Therefore, a space must be provided on the vehicle body side (for example, in the cab) to place on-board tools. The installation space of the on-board tool that is not used becomes a dead space. In particular, in the case of a long linear vehicle-mounted tool such as a handle used for lifting and lowering a spare tire, it may be difficult to secure a placement space.

  Therefore, an object of the present disclosure is to effectively use a long linear vehicle-mounted tool mounted on a vehicle.

  In order to achieve the above object, a first aspect of the present invention is directed to a protector body extending in a vehicle width direction below a front end portion or a rear end portion of a vehicle, and a protector supported portion of the protector body is fixed to a vehicle body side. A reinforcing structure for supporting the underrun protector that is supported, the central region of the protector body extends inward in the vehicle width direction from the protector supported portion, and the overhang region of the protector body extends outward from the protector supported portion in the vehicle width direction. And a protector reinforcing member, an inner end side support portion, and an outer end side support portion. The protector reinforcing member extends linearly in the vehicle width direction along the overhang region of the protector body. The inner end side support portion is fixed to at least one of the protector supported portion and the central region, and detachably supports the inner end side of the protector reinforcing member in the vehicle width direction. The outer end side support portion is fixed to an outer end in the vehicle width direction of the overhang area, and detachably supports the outer end side in the vehicle width direction of the protector reinforcing member.

  The protector reinforcing member is mounted on the vehicle by being supported by the inner end side support portion and the outer end side support portion and fixed to the protector main body, and can be used by removing the protector main body from a long linear vehicle. It is a tool.

  In the above configuration, a long linear on-board tool is placed in the space along the protector body, which easily becomes a dead space, and is fixed detachably, so that a special space for placing on-vehicle tools that are always installed in the vehicle is provided. There is no need to provide them, and effective use of space can be achieved.

  The inner end side support portion is fixed to at least one of the protector supported portion or the center side region, the outer end side support portion is fixed to the overhang region, and the inner end side support portion and the outer end side support portion have protector reinforcing members ( Since the protector reinforcing member is fixed to the protector body by supporting the inner end side and the outer end side of the vehicle-mounted tool) in the vehicle width direction, the protector is supported in a cantilever manner via the protector supported portion. When a load is applied to the overhang area of the protector body from the front or rear of the vehicle, the space between the load input position of the overhang area and the protector supported part is reinforced by the protector reinforcing member, and the overhang area is bent or broken. Can be suppressed.

  Since the vehicle-mounted tool functions as a reinforcing member of the protector body, the vehicle-mounted tool mounted on the vehicle can be effectively used.

  A second aspect of the present invention is the reinforcing structure according to the first aspect, wherein the protector body has a tubular shape having an opening at an outer end in the vehicle width direction of the overhang region. The outer end side support portion is a protector cover that is fixed to the outer end in the vehicle width direction of the overhang region and closes the opening. The inner end side support portion is a plate-like reinforcing member support plate fixed to at least one of the protector supported portion and the central region and intersecting the vehicle width direction. A male screw is formed on the outer periphery of the tool outer end, which is an outer end in the vehicle width direction of the vehicle-mounted tool, and a female screw-shaped screw hole is formed in the protector cover, which can be screwed with the male screw of the vehicle-mounted tool. You. A screw hole can be inserted in the vehicle width direction inside the on-vehicle tool from the male screw. The reinforcing member support plate has a tool support hole having a size that allows insertion of the tool inner end, which is the inner end in the vehicle width direction of the vehicle-mounted tool.

  Insert the inner end of the tool into the protector body through the screw hole of the protector cover, insert the inner end of the tool into the tool support hole of the reinforcing member support plate, and insert the male screw at the outer end of the tool into the screw hole of the protector cover. The vehicle-mounted tool is detachably fixed to the protector body by screwing and tightening.

  In the above configuration, the on-board tool is attached and detached by screwing the screws, so that the attaching and detaching operation can be easily performed.

  Since the vehicle-mounted tool is housed inside the protector body, rust, deterioration, and the like of the vehicle-mounted tool can be suppressed.

  Since the protector cover is used as the outer end side support portion, the structure can be simplified.

  A third aspect of the present invention is the reinforcing structure according to the first or second aspect, wherein the underrun protector is a rear underrun protector whose protector main body extends in a vehicle width direction below a rear end of the vehicle. . The in-vehicle tool is a tool used for lifting and lowering a spare tire that is supported on the vehicle body near the front of the rear underrun protector so as to be liftable.

  In the above configuration, since the on-board tool used for lifting and lowering the spare tire is provided near the work place, it is not necessary to carry the on-board tool from a distant place during the lifting and lowering work, and the work can be performed efficiently.

  A fourth aspect of the present invention is the reinforcing structure according to any one of the first to third aspects, wherein each of the protector reinforcing members is detachably supported by the inner end side support portion and the outer end side support portion. A plurality of in-vehicle tools.

  In the above configuration, when a load is applied to the overhang area of the protector body from the front or rear of the vehicle, the space between the load input position of the overhang area and the protector supported portion is reinforced by a plurality of vehicle-mounted tools. Bending and breakage of the overhang region can be further suppressed.

  According to the present disclosure, it is possible to effectively utilize a long linear vehicle-mounted tool mounted on a vehicle.

1 is a perspective view showing a state where a rear underrun protector according to an embodiment of the present invention is supported by a vehicle body frame. It is a perspective view which shows the reinforcement structure of a rear underrun protector. It is a top view of the 1st operation bar and the 2nd operation bar. It is principal part sectional drawing which shows the reinforcement structure of a rear underrun protector. FIG. 9 is a perspective view showing a state in which a first operation bar and a second operation bar are being removed from the rear underrun protector. FIG. 4 is a perspective view for explaining a lifting / lowering operation of a spare tire.

  Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. In the drawings, FR indicates the front of the vehicle, UP indicates the upper side of the vehicle, and IN indicates the inner side in the vehicle width direction. In addition, the front-rear direction in the following description means the front-rear direction of the vehicle, and the left-right direction means the left-right direction in a state facing the front of the vehicle.

  As shown in FIG. 1, a rear underrun protector (underrun protector) 3 is supported at the rear end of the vehicle body frame 2 of the vehicle 1 according to the present embodiment via left and right protector brackets 4. The left and right protector brackets 4 are provided symmetrically on the left and right sides of the vehicle 1 and support one rear underrun protector 3 on the left and right sides.

  The body frame 2 includes left and right side members 5 extending in the front-rear direction on both sides in the vehicle width direction, and a plurality of cross members 6 each extending in the vehicle width direction and connecting the left and right side members 5. The side member 5 has a U-shaped cross section that opens inward in the vehicle width direction. The side member 5 stands up substantially vertically and extends in the front-rear direction. A side member upper plate portion 8 and a side member lower plate portion 9 extending inward in the direction and facing each other are integrally provided. The protector bracket 4 is overlaid on the rear end of the side member side plate 7 from the outside in the vehicle width direction, and is fastened and fixed to the side member side plate 7.

  The rear underrun protector 3 has a rectangular cylindrical (rectangular hollow) protector body 10 extending in the vehicle width direction below a rear end of the vehicle 1, and left and right protector covers mounted on both ends of the protector body 10. (Outer end side support portion) 11. As shown in FIG. 2, the protector main body 10 integrally includes a protector front surface portion 12 and a protector rear surface portion 13 that are opposed to each other in a front and rear direction, and a protector upper surface portion 14 and a protector lower surface portion 15 that are vertically separated and opposed to each other. To have. The protector front surface 12 connects the front edge of the protector upper surface 14 and the front edge of the protector lower surface 15, and the protector rear surface 13 is connected to the rear edge of the protector upper surface 14 and the rear edge of the protector lower surface 15. Concatenate.

  As shown in FIGS. 1 and 2, the protector main body 10 is provided between the left and right protector supported portions 16 fastened and fixed to the protector support plates 40 of the left and right protector brackets 4 respectively. A central region 17 extending inward in the vehicle width direction and left and right overhanging regions 18 extending outward from the protector supported portion 16 in the vehicle width direction are integrally provided. The left and right overhang areas 18 of the protector body 10 have openings 19 at outer ends (left end and right end) in the vehicle width direction. In addition, since the rear underrun protector 3 is symmetrically configured including its internal structure, the left side will be mainly described below.

  As shown in FIGS. 2 and 4, the inside of the protector body 10 covers substantially the entire area in the vehicle width direction and includes two partitions (upper partition plate 20 </ b> A and lower partition plate 20 </ b> B) in three protector internal spaces (upper partition). The space 21A, the middle space 21B, and the lower space 21C) are partitioned. The upper partition plate 20A and the lower partition plate 20B are opposed to each other vertically and extend in the vehicle width direction, and the front edge and the rear edge of the upper partition plate 20A and the lower partition plate 20B are the inner surface of the protector front surface 12 and the protector. Each is fixed to the inner surface of the rear surface portion 13.

  A pair of operation bars (protector reinforcing members) 22A and 22B are held on the left and right sides of the protector main body 10 as long linear vehicle-mounted tools. One of the two operation bars 22A, 22B is a first operation bar 22A housed in the upper space 21A and extending in the vehicle width direction along the overhang area 18, and the other is housed in the middle space 21B. A second operation bar 22 </ b> B extending in the vehicle width direction along 18.

  The protector cover 11 integrally includes a cover main body 23, a cover flange 24, and upper and lower bar support cylinders (a first bar support cylinder 25A and a second bar support cylinder 25B). The cover main body 23 has a rectangular flat plate shape, and the cover flange portion 24 has a rectangular frame shape extending substantially perpendicularly to the cover main body 23 from the entire periphery of the cover main body 23. The bar support cylinders 25A and 25B are cylindrical and extend from the cover main body 23 inside the cover flange 24. Circular upper and lower bar insertion holes (a first bar insertion hole 26A and a second bar insertion hole 26B) are formed in the cover main body 23, and the inner peripheral surface of the first bar support cylindrical portion 25A has a first bar insertion hole. The inner peripheral surface of the second bar support cylindrical portion 25B is continuous from the inner peripheral surface of the second bar insertion hole 26B.

  In the protector cover 11, the outer end in the vehicle width direction of the protector main body 10 is inserted into the inside of the cover flange 24, and the cover flange 24 is attached to the protector main body 10 (in this embodiment, the protector upper surface 14 and the protector lower surface 15). It is fixed to the protector body 10 by screwing. In such a cover mounting state, the first bar support cylinder 25A is disposed in the upper space 21A and the second bar support cylinder 25B is disposed in the middle space 21B, and the cover main body 23 closes the opening 19 of the protector main body 10.

  The upper space 21A and the middle space 21B of the protector supported portion 16 of the protector main body 10 have flat bar-shaped upper and lower bar support plates (inner end support portions, reinforcing member support plates) 27A, which are substantially orthogonal to the vehicle width direction. 27B are provided. The upper bar support plate (first bar support plate) 27A is provided on the inner surface of the upper space 21A of the protector supported portion 16 (the rear surface of the protector front surface 12, the front surface of the protector rear surface 13, the lower surface of the protector upper surface 14, and the upper surface). (The upper surface of the partition plate 20A). The lower bar support plate (second bar support plate) 27B is provided on the inner surface of the middle space 21B of the protector supported portion 16 (the rear surface of the protector front portion 12, the front surface of the protector rear surface portion 13, the front surface of the upper partition plate 20A, and the lower surface). (The upper surface of the lower partition plate 20B). The bar support plates 27A and 27B may be arranged and fixed in the central region 17 or may be arranged and fixed so as to straddle the protector supported portion 16 and the central region 17; You may arrange | position and fix so that it may straddle the part 16 and the overhang area | region 18.

  As shown in FIGS. 2 to 4, the first operation bar 22 </ b> A is formed on a rod-shaped or tubular first bar main body 28 </ b> A and one end (outer end in the vehicle width direction) of the first bar main body 28 </ b> A. A first bar end (tool outer end) 29A and a flat plate-shaped first bar tip plate 30A protruding from an end surface of the first bar end 29A. A first male screw (male screw) 31A having a larger diameter than the first bar main body 28A is formed on the outer periphery of the first bar end portion 29A, and a circular first hole 32A is formed in the first bar tip plate 30A. Are formed.

  The second operation bar 22B includes a rod-shaped or tubular second bar main body 28B, and a second bar end (tool outer end) formed at one end (outer end in the vehicle width direction) of the second bar main body 28B. Part) 29B and a flat plate-shaped second bar end plate 30B protruding from the end surface of the second bar end portion 29B. A second male screw (male screw) 31B having a larger diameter than the second bar main body 28B is formed on the outer periphery of the second bar end portion 29B, and a circular second hole 32B is formed in the second bar end plate 30B. Are formed. The hole diameter of the second hole 32B is set slightly larger than the outer diameter of the first bar body 28A so that the first bar body 28A can be inserted into the second hole 32B. On the end surface of the other end portion (the inner end portion in the vehicle width direction) of the second bar main body 28B, a locking groove 33 capable of engaging with an operated portion of a spare tire carrier device 41 described later is formed.

  A female screw-shaped first screw hole that can be screwed with the first male screw 31A of the first operation bar 22A is provided at an intermediate portion in the vehicle width direction of the inner peripheral surface of the first bar support cylindrical portion 25A of the protector cover 11. (Screw hole) 34A is formed. The inner diameter of the first bar support cylindrical portion 25A outside the first screw hole 34A in the vehicle width direction (on the first bar insertion hole 26A side) is larger than the first screw hole 34A. On the other hand, the inner diameter of the first bar support cylindrical portion 25A inside the first screw hole 34A in the vehicle width direction is smaller in diameter than the first screw hole 34A and slightly larger than the outer diameter of the first bar main body 28A. In the first operation bar 22A, the first screw hole 34A can be inserted inside the first male screw 31A in the vehicle width direction.

  A female screw-shaped second screw hole that can be screwed with the second male screw 31B of the second operation bar 22B is provided in an intermediate portion of the inner peripheral surface of the second bar support cylindrical portion 25B of the protector cover 11 in the vehicle width direction. (Screw hole) 34B is formed. The inner diameter of the second bar support cylindrical portion 25B outside the second screw hole 34B in the vehicle width direction (on the side of the second bar insertion hole 26B) is larger than the second screw hole 34B. On the other hand, the inner diameter of the second bar support cylindrical portion 25B inside the second screw hole 34B in the vehicle width direction is smaller than the second screw hole 34B and slightly larger than the outer diameter of the second bar main body 28B. In the second operation bar 22B, the second screw hole 34B can be inserted inside the second male screw 31B in the vehicle width direction.

  The first bar support plate 27A of the protector body 10 has a round hole-shaped first bar support hole (tool support hole) 35A having a hole diameter slightly larger than the outer diameter of the first bar body 28A of the first operation bar 22A. The second bar support plate 27B has a round second bar support hole (tool support hole) 35B having a hole diameter slightly larger than the outer diameter of the second bar main body 28B of the second operation bar 22B. Is formed. That is, the other end (the inner end of the tool) of the first operation bar 22A can be inserted through the first bar support hole 35A, and the other end (the inner end of the tool) of the second operation bar 22B is supported by the second bar. The hole 35B can be inserted.

  In the cover mounted state, the other end of the first operation bar 22A is inserted into the upper space 21A of the protector body 10 from the first bar insertion hole 26A of the protector cover 11, and the other end of the first operation bar 22A (the first bar). The inner end of the main body 28A in the vehicle width direction is inserted into the first bar support hole 35A of the first bar support plate 27A, and the first male screw 31A of the first operation bar 22A is inserted into the first screw hole 34A of the protector cover 11. The first operation bar 22 </ b> A is detachably fixed to the protector main body 10 by screwing and tightening. Similarly, the other end of the second operation bar 22B is inserted into the middle space 21B of the protector main body 10 from the second bar insertion hole 26B of the protector cover 11, and the other end of the second operation bar 22B (the second bar main body 28B Of the second operation bar 22B into the second screw hole 34B of the protector cover 11, while inserting the second male screw 31B of the second operation bar 22B into the second screw hole 34B of the protector cover 11. By tightening together, the second operation bar 22B is detachably fixed to the protector body 10. When the first male screw 31A is screwed or unthreaded, or when the second male screw 31B is screwed or unthreaded, the first bar end plate 30A or the second bar end plate 30B is pinched and rotated. It should be done.

  In order to facilitate insertion of the other end of the first operation bar 22A into the first bar support hole 35A, a guide surface (guide) for guiding (guide) the other end of the first operation bar 22A to the first bar support hole 35A. The first guide surface 36A) may be provided in the upper space 21A. Similarly, a guide surface that guides (guides) the other end of the second operation bar 22B to the second bar support hole 35B so that the other end of the second operation bar 22B can be easily inserted into the second bar support hole 35B. (The second guide surface 36B) may be provided in the middle space 21B.

  As shown in FIGS. 1 and 5, a spare tire carrier device 41 is provided behind the rear wheel (rear tire) 37 of the vehicle 1 and in front of the rear underrun protector 3. The spare tire carrier device 41 is supported by the body frame 2 near the front of the rear underrun protector 3, and the spare tire 42 is supported by the spare tire carrier device 41 so as to be able to move up and down between the left and right side members 5. The lifting and lowering of the spare tire 42 is performed by rotating an operated part (not shown) of the spare tire carrier device 41. As shown in FIG. 5, the rotation of the operated portion is performed by removing the first operation bar 22A and the second operation bar 22B from the protector body 10, and inserting the first operation bar 22A and the second operation bar 22B into the bar insertion hole 38 formed in the side member side plate portion 7 in the vehicle width direction. 6, the other end of the second operation bar 22B is inserted to engage the locking groove 33 with the operated portion, and as shown in FIG. 6, the first operation bar 22A is inserted into the second hole 32B of the second operation bar 22B. The first operation bar 22A is gripped and rotated by inserting the first bar main body 28A.

  As described above, the bar support plates 27A and 27B are fixed to at least one of the protector supported portion 16 and the central region 17, and detachably support the inner ends of the operation bars 22A and 22B in the vehicle width direction. Reference numeral 11 is fixed to the outer end of the overhang area 18 in the vehicle width direction, and detachably supports the outer ends of the operation bars 22A and 22B in the vehicle width direction. The operation bars 22A, 22B are long, straight, in-vehicle tools used for lifting and lowering the spare tire, and can be used by removing them from the protector body 10, and are supported by the bar support plates 27A, 27B and the protector cover 11. Thus, the vehicle 1 is equipped.

  According to the present embodiment, the long linear operation bars 22A and 22B are arranged in the spaces (the upper space 21A and the middle space 21B) along the protector main body 10 which easily becomes a dead space, and are fixed detachably. There is no need to provide a special space for arranging the operation bars 22A and 22B that are always installed in the vehicle 1, and the space can be effectively used.

  The upper and lower bar support plates 27A, 27B are fixed to the protector supported portion 16 of the protector body 10, the protector cover 11 is fixed to the overhang area 18, and the operation bars 22A, 22B are attached to the bar support plates 27A, 27B and the protector cover 11. The operation bars 22A and 22B are fixed to the protector body 10 by supporting the inner end side and the outer end side in the vehicle width direction, respectively, so that the operation bars 22A and 22B are supported in a cantilever manner via the protector supported portion 16. When a load from the rear of the vehicle is applied to the overhang area 18 of the protector body 10, the space between the load input position of the overhang area 18 and the protector supported portion 16 is reinforced by the operation bars 22 </ b> A and 22 </ b> B. 18 can be suppressed from being bent or broken. In particular, in the present embodiment, the portion between the load input position of the overhang region 18 and the protector supported portion 16 is reinforced by the plurality of (two) operation bars 22A and 22B. Breakage can be further suppressed.

  Since the operation bars 22A and 22B, which are vehicle-mounted tools, function as reinforcing members for the protector body 10, the vehicle-mounted tools mounted on the vehicle 1 can be effectively used.

  Since the operation bars 22A and 22B used for lifting and lowering the spare tire 42 are provided near the work place, there is no need to carry the operation bars 22A and 22B from a distant place during lifting and lowering work, and the work can be performed efficiently. .

  Since the operation bars 22A and 22B are attached and detached by screwing the male screws 31A and 31B and the screw holes 34A and 34B, the operation of attaching and detaching the operation bars 22A and 22B can be easily performed.

  Since the operation bars 22A and 22B are housed inside the protector body 10 (the upper space 21A and the middle space 21B), rusting, deterioration, and the like of the operation bars 22A and 22B can be suppressed.

  Further, since the protector cover 11 is used as the outer end side support portion, the structure can be simplified.

  As described above, the present invention has been described based on the above-described embodiment. However, the present invention is not limited to the content of the above-described embodiment, and can be appropriately changed without departing from the present invention. That is, other embodiments, examples, operation techniques, and the like performed by those skilled in the art based on this embodiment are all included in the scope of the present invention.

  For example, in the above-described embodiment, the case where the operation bars 22A and 22B used for lifting and lowering the spare tire 42 are used as the protector reinforcing member has been described. However, other on-board tools (e.g. A linear tool) may be used as the protector reinforcing member.

  In the above-described embodiment, the projecting areas 18 on both the left and right sides of the rear underrun protector 3 are reinforced by the operation bars 22A and 22B, but one side is reinforced by the operation bars 22A and 22B, and the other side is a dedicated protector reinforcing member. May be reinforced. In this case, a dedicated protector reinforcing member may be fixed to the protector body 10 so as not to be detachable.

  In the above embodiment, one overhang region 18 is reinforced by a set of two operation bars 22A and 22B, but the number of operation bars is not limited to two, and may be one or three or more. In the case where one overhang region 18 is reinforced by a plurality of protector reinforcing members, a part thereof may be used as an operation bar and the rest may be used as a dedicated protector reinforcing member.

  In the above embodiment, the reinforcing structure of the rear underrun protector 3 has been described. However, the front underrun protector extending in the vehicle width direction below the front end of the vehicle 1 may be reinforced by an operation bar (vehicle tool).

  The present invention is applicable to various vehicles equipped with an underrun protector.

1: vehicle 2: body frame 3: rear underrun protector (underrun protector)
4: Protector bracket 5: Side member 6: Cross member 7: Side member side plate 8: Side member upper plate 9: Side member lower plate 10: Protector body 11: Protector cover (outer end support)
12: Protector front surface 13: Protector rear surface 14: Protector upper surface 15: Protector lower surface 16: Protector supported portion 17: Central region 18: Overhang region 19: Opening 20A: Partition plate (upper partition plate)
20B: Partition plate (lower partition plate)
21A: Space inside protector (upper space)
21B: Space inside protector (medium space)
21C: Space inside protector (lower space)
22A: Operation bar (first operation bar, protector reinforcing member, on-board tool)
22B: Operation bar (second operation bar, protector reinforcing member, on-board tool)
23: cover body 24: cover flange 25A: upper bar support tube (first bar support tube)
25B: Lower bar support cylinder (second bar support cylinder)
26A: Upper bar insertion hole (first bar insertion hole)
26B: Lower bar insertion hole (second bar insertion hole)
27A: Upper bar support plate (first bar support plate, inner end side support portion, reinforcing member support plate)
27B: Lower bar support plate (second bar support plate, inner end support portion, reinforcing member support plate)
28A: First bar main body 28B: Second bar main body 29A: First bar end (tool outer end)
29B: Second bar end (outer end of tool)
30A: First bar tip plate 30B: Second bar tip plate 31A: First male screw (male screw)
31B: 2nd male screw (male screw)
32A: first hole 32B: second hole 33: locking groove 34A: first screw hole (screw hole)
34B: 2nd screw hole (screw hole)
35A: 1st bar support hole (tool support hole)
35B: 2nd bar support hole (tool support hole)
36A: Guide surface (first guide surface)
36B: Guide surface (second guide surface)
37: Rear wheel (rear tire)
38: Bar insertion hole 40: Protector support plate 41: Spare tire carrier device 42: Spare tire

Claims (4)

A protector main body extends in a vehicle width direction below a front end or a rear end of the vehicle, a protector supported portion of the protector main body is fixedly supported on the vehicle body side, and a central region of the protector main body is supported by the protector supported. A reinforcing structure for extending an underrun protector extending inward in the vehicle width direction from the portion and extending outwardly of the protector body from the protector supported portion in the vehicle width direction,
A protector reinforcing member that extends linearly in the vehicle width direction along the overhang region of the protector body;
An inner end side support portion fixed to at least one of the protector supported portion or the central region and detachably supporting a vehicle width direction inner end side of the protector reinforcing member.
An outer end side support portion fixed to a vehicle width direction outer end portion of the overhang region and detachably supporting a vehicle width direction outer end side of the protector reinforcing member,
The protector reinforcing member is mounted on the vehicle by being supported by the inner end side support portion and the outer end side support portion and fixed to the protector body, and can be used by being removed from the protector body. A reinforcement structure for the underrun protector, which is a long linear on-board tool. The reinforcing structure according to claim 1, wherein
The protector body has a cylindrical shape having an opening at an outer end in the vehicle width direction of the overhang region,
The outer end side support portion is a protector cover fixed to an outer end portion in the vehicle width direction of the overhang region and closing the opening,
The inner end side support portion is a plate-shaped reinforcing member support plate fixed to at least one of the protector supported portion or the central region and intersecting the vehicle width direction,
An external thread is formed on the outer periphery of the tool outer end which is the vehicle width direction outer end of the on-vehicle tool,
The protector cover has a female screw-shaped screw hole that can be screwed with the male screw of the vehicle-mounted tool,
Of the on-board tool, the inside of the male screw in the vehicle width direction can be inserted through the screw hole,
The reinforcing member support plate is formed with a tool support hole having a size through which a tool inner end which is an inner end in the vehicle width direction of the on-vehicle tool can be inserted,
The tool inner end is inserted into the protector body from the screw hole of the protector cover, the tool inner end is inserted into the tool support hole of the reinforcing member support plate, and the tool outer end is inserted. A reinforcing structure for an underrun protector, wherein the vehicle-mounted tool is detachably fixed to the protector body by screwing the male screw into the screw hole of the protector cover and tightening the male screw. It is a reinforcement structure according to claim 1 or claim 2,
The underrun protector is a rear underrun protector in which the protector body extends in a vehicle width direction below a rear end of the vehicle,
The reinforcing structure for an underrun protector, wherein the on-vehicle tool is a tool used for lifting and lowering a spare tire that is supported near the front of the rear underrun protector so as to be movable up and down on the vehicle body side. The reinforcing structure according to any one of claims 1 to 3,
The reinforcing structure for an underrun protector, wherein the protector reinforcing member is a plurality of on-vehicle tools each of which is detachably supported by the inner end side support portion and the outer end side support portion.

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