WO2020054683A1

WO2020054683A1 - Under-run protector

Info

Publication number: WO2020054683A1
Application number: PCT/JP2019/035441
Authority: WO
Inventors: 将也徳武; 章司山田; 哲郎山口; 吉宣戸田
Original assignee: いすゞ自動車株式会社
Priority date: 2018-09-11
Filing date: 2019-09-10
Publication date: 2020-03-19
Also published as: CN112672927B; JP7116916B2; PH12021550481A1; JP2020040529A; CN112672927A

Abstract

An under-run protector including: a first member having a pair of first horizontal plate parts facing each other in the up-down direction, and a first vertical plate part extending in the up-down direction and connecting to edges of the first horizontal plate parts; and a second member having a pair of second horizontal plate parts facing each other in the up-down direction, and a second vertical plate part extending in the up-down direction and connecting to edges of the second horizontal plate parts. The outer edges in the vehicle width direction of one of the first horizontal plate parts and the second horizontal plate parts are positioned on the inner side in the vehicle width direction relative to the outer edges in the vehicle width direction of the other, and a through-hole for attaching the cap is formed in an area protruding outward in the vehicle width direction.

Description

Underrun protector

The present disclosure relates to an underrun protector.

Patent Document 1 describes a front underrun protector having a hollow protector body composed of a protector piece on the front side of the vehicle body and a protector piece on the rear side of the vehicle body. The protector body has a pair of upper and lower horizontal walls formed on both sides of the opening of the protector piece on the front side of the vehicle body on the outer side, and a pair of upper and lower horizontal walls formed on both sides of the opening of the protector piece on the rear side of the vehicle body on the inner side. Are fitted to each other so as to form a closed cross-sectional shape, and the entire end of each outer lateral wall is welded to the outer surface of the inner lateral wall to fix them together. The front and rear protector pieces are formed to have a length corresponding to the entire width of the vehicle body.

Japanese Patent Application Laid-Open No. 2003-276536

In an underrun protector in which the outer corner in the vehicle width direction of the protector body is exposed to the outside like a front underrun protector (underrun protector) described in Patent Literature 1, an outer end in the vehicle width direction of the protector body is provided. In order to prevent a pedestrian or another vehicle from contacting the corner, a cap may be attached to the outer end of the protector body in the vehicle width direction. However, when a through hole (a clip insertion hole, etc.) for attaching a cap is formed at the outer end in the vehicle width direction of the lateral wall (upper plate portion and lower plate portion) of the protector body, the portion is located above one of the protector pieces. Since the plate portion and the lower plate portion and the upper plate portion and the lower plate portion of the other protector piece overlap vertically and are thick, it is difficult to form a through hole, and the cap mounting work is complicated. There is a possibility of becoming.

Accordingly, the present disclosure provides an underrun protector capable of improving workability of a cap attaching operation.

In order to solve the above problem, a first aspect of the present disclosure is a cylindrical underrun protector that extends in a vehicle width direction below one end in a front-rear direction of a vehicle, and includes a first member and a second underrun protector. A member and a cap are provided. The first member is formed in a substantially C-shaped cross section having a pair of first horizontal plate portions facing in the vertical direction and a first vertical plate portion extending in the vertical direction and connected to an edge of the first horizontal plate portion. , And extend in the vehicle width direction. The second member is formed in a substantially C-shaped cross section having a pair of second horizontal plate portions facing in the vertical direction and a second vertical plate portion extending in the vertical direction and connected to an edge of the second horizontal plate portion. The first horizontal plate extends in the vehicle width direction and faces a side where the second member opens the substantially C-shaped cross section and a side where the first member opens the substantially C-shaped cross section. It is fixed to the first member in a state where the second horizontal plate portion is disposed between the portions. The cap covers an outer end in the vehicle width direction in a state where the first member and the second member are fixed. An outer edge of one of the first horizontal plate portion and the second horizontal plate portion in the vehicle width direction is an outer edge of the other of the first horizontal plate portion and the second horizontal plate portion. It is located inside the vehicle width direction. In the other of the first horizontal plate portion and the second horizontal plate portion, in a region protruding outward in the vehicle width direction from the one of the first horizontal plate portion and the second horizontal plate portion, A through hole for attaching the cap is formed.

In the above structure, one of the first horizontal plate portion of the first member and the second horizontal plate portion of the second member has an outer edge in the vehicle width direction, and the outer edge of the first horizontal plate portion of the first member and the second horizontal plate portion of the second member. The second horizontal plate portion is located on the inner side in the vehicle width direction with respect to the other outer edge in the vehicle width direction. A through hole for fixing the cap is formed in a region of the first horizontal plate portion and the second horizontal plate portion, which protrudes outward in the vehicle width direction from the outer edge in the vehicle width direction. You. As described above, since the through-hole is formed in the region of the other of the first horizontal plate portion and the second horizontal plate portion that protrudes outward in the vehicle width direction from the outer edge in the vehicle width direction, the first horizontal plate portion is formed. The through-hole can be formed more easily than in the case where the through-hole is formed in a region where the portion and the second horizontal plate portion vertically overlap, and the workability of the cap mounting operation can be improved.

第 A second aspect of the present disclosure is the underrun protector according to the first aspect, wherein the member having the other is disposed on the one side in the front-rear direction of the member having the one.

In the above configuration, the member having the other is disposed on one side in the front-rear direction. That is, of the first member and the second member, the longer member toward the outside in the vehicle width direction (the member having the other member) is located on the front side in the case of the front underrun protector (the rear side in the case of the rear underrun protector). When the vehicle is viewed from the front (in the case of the rear underrun protector, from the rear), the shorter member (the member having one of the above) becomes difficult to see, and the deterioration of the appearance of the underrun protector is suppressed. be able to.

３ A third aspect of the present disclosure is the underrun protector according to the first aspect or the second aspect, wherein the first member is disposed on the one side in the front-rear direction of the second member.

In the above configuration, the first member is disposed on one side in the front-rear direction of the second member. That is, the first member having the first horizontal plate portion that covers the second horizontal plate portion of the second member from above and below is placed on the front side in the case of the front underrun protector (the rear side in the case of the rear underrun protector). When the vehicle is viewed from the front (rear in the case of a rear underrun protector), the rear edge of the first horizontal plate portion (the front edge in the case of a rear underrun protector) becomes difficult to see. The deterioration of the appearance of the run protector can be suppressed.

According to the present disclosure, it is possible to improve the workability of the cap attaching operation.

FIG. 1 is an external side view of a vehicle including an underrun protector according to an embodiment of the present disclosure. FIG. 2 is a schematic perspective view of the front end of the vehicle shown in FIG. FIG. 3 is a plan view of the outer end of the underrun protector in the vehicle width direction. FIG. 4 is an exploded view of the underrun protector of FIG. FIG. 5 is a perspective view of the underrun protector viewed from the rear inside at the outer end in the vehicle width direction. FIG. 6 is an explanatory diagram relating to attachment of the cap.

Hereinafter, an embodiment of the present disclosure will be described with reference to the drawings. In each of the drawings, FR indicates the front of the vehicle, UP indicates the upper side, and IN indicates the inner side in the vehicle width direction. In the following description, the front-rear direction refers to the front-rear direction of the vehicle, and the left-right direction refers to the left-right direction in a state where the vehicle faces the front.

As shown in FIGS. 1 and 2, a vehicle 1 according to the present embodiment is a cab-over type truck in which a cab 2 is generally located above an engine (not shown), and has a front end portion (front-rear direction) of the vehicle 1. (An end on one side), a cylindrical front underrun protector (underrun protector) 10 (hereinafter referred to as FUP10) extending in the vehicle width direction. The FUP 10 is fixed to a front end portion of the vehicle body frame 3 of the vehicle 1 via a pair of left and right brackets 4 and prevents another vehicle from getting under the cab 2 when the vehicle 1 collides with another vehicle. .

As shown in FIGS. 2 to 6, the FUP 10 includes a first member (a member having the other) 11 which is a channel material having a substantially C-shaped cross section, and a second member (one member) which is a channel material having a substantially C-shaped cross section. Member) 12 and a pair of left and right caps 13. The first member 11 and the second member 12 are fixed to each other in a state where open sides of the substantially C-shaped cross section face each other in the front-back direction. In the present embodiment, the larger (longer in the vertical direction) first member 11 is disposed on the front side, and the smaller (shorter in vertical direction) second member 12 is the first member 11. It is located behind. The FUP 10 is formed by the first member 11 and the second member 12 into a rectangular tube elongated in the vehicle width direction, and defines an internal space 14 therein. Both sides of the internal space 14 in the vehicle width direction are closed by left and right caps 13. The left and right caps 13 are provided symmetrically on the left and right sides of the FUP 10 and have substantially the same configuration. Therefore, the left side will be described below and the right side description will be omitted.

The first member 11 intersects the vertical direction at a position separated downward from the upper plate portion 15 and an upper plate portion (first horizontal plate portion) 15 that extends long in the vehicle width direction while intersecting the vertical direction. A lower plate portion (first horizontal plate portion) 16 extending in the vehicle width direction in a state elongated in the vehicle width direction and facing the upper plate portion 15; And a front plate portion (first vertical plate portion) 17 connecting front edges of the lower plate portion 15 and the lower plate portion 16. That is, the first member 11 is formed in a substantially C-shaped cross section so as to open rearward by the upper plate portion 15, the lower plate portion 16, and the front plate portion 17, and extends elongated in the vehicle width direction. The lengths of the upper plate portion 15, the lower plate portion 16, and the front plate portion 17 in the vehicle width direction are the same as each other. The length of the first member 11 in the vehicle width direction (the length of the upper plate portion 15, the lower plate portion 16, and the front plate portion 17 in the vehicle width direction) is shorter than the length of the cab 2 in the vehicle width direction. Is set to a length that can secure the function (function of preventing other vehicles from sneaking in). The upper plate part 15 partitions above the internal space 14 of the FUP 10, the lower plate part 16 partitions below the internal space 14 of the FUP 10, and the front plate part 17 partitions the front of the internal space 14 of the FUP 10. . A clip insertion hole (through hole) 18 that penetrates in a vertical direction is formed at an outer end in the vehicle width direction of the upper plate portion 15 and the lower plate portion 16.

The second member 12 intersects with the upper and lower direction at a position separated downward from the upper plate 19 and an upper plate portion (second horizontal plate portion) 19 that extends in the vehicle width direction in a state of intersecting with the upper and lower direction. A lower plate portion (second horizontal plate portion) 20 which extends in the vehicle width direction in the vehicle width direction and faces the upper plate portion 19; and an upper plate portion which extends in the vehicle width direction and crosses in the front-rear direction. 19 and a rear plate portion (second vertical plate portion) 21 for connecting rear edges of the lower plate portion 20 to each other. That is, the second member 12 is formed in a substantially C-shaped cross section so as to be opened forward by the upper plate portion 19, the lower plate portion 20, and the rear plate portion 21, and extends in the vehicle width direction. The upper plate portion 19, the lower plate portion 20, and the rear plate portion 21 of the second member 12 have the same length in the vehicle width direction. The length in the vehicle width direction of the second member 12 (the length in the vehicle width direction of the upper plate portion 19, the lower plate portion 20, and the rear plate portion 21 of the second member 12) is in the vehicle width direction of the first member 11. Shorter than the length. The vertical length of the rear plate 21 of the second member 12 is slightly shorter than the vertical length of the front plate 17 of the first member 11. The upper plate 19 and the lower plate 20 of the second member 12 are arranged between the upper plate 15 and the lower plate 16 of the first member 11. The upper plate 19 of the second member 12 comes into surface contact with the lower surface of the upper plate 15 of the first member 11, and the lower plate 20 of the second member 12 comes into surface contact with the upper surface of the lower plate 16 of the first member 11. In this state, the rear edges 25 of the upper plate 15 and the lower plate 16 of the first member 11 are fixed to the upper plate 19 and the lower plate 20 of the second member 12 by welding. In a state where the first member 11 and the second member 12 are fixed, the outer edge 22 in the vehicle width direction of the second member 12 is located inside the outer edge 23 in the vehicle width direction of the first member 11 in the vehicle width direction. I do. The upper plate portion 19 of the second member 12 partitions above the internal space 14 of the FUP 10, the lower plate portion 20 partitions below the internal space 14 of the FUP 10, and the rear plate portion 21 defines the internal space 14 of the FUP 10. Partition the rear of. The clip insertion hole 18 of the first member 11 is formed between the upper plate portion 15 and the lower plate portion 16 of the first member 11, the outer edge 22 of the upper plate portion 19 and the lower plate portion 20 of the second member 12 in the vehicle width direction. Formed in the region 24 protruding outward in the vehicle width direction.

The cap 13 is a rectangular cylindrical member with a bottom that defines a space in which the outer ends of the first member 11 and the second member 12 fixed to each other in the vehicle width direction can be inserted. , An upper cap upper plate 27, a lower cap lower plate 28, a front cap front plate 29, and a rear cap rear plate 30. The cap upper plate portion 27 and the cap lower plate portion 28 are respectively formed with clip insertion holes 31 penetrating vertically. The clip insertion holes 31 of the cap upper plate portion 27 and the cap lower plate portion 28 are connected to the first member 11 with the outer ends in the vehicle width direction of the first member 11 and the second member 12 inserted into the space inside the cap 13. The upper plate 15 and the lower plate 16 are formed at positions communicating with the clip insertion holes 18. The cap 13 is formed by inserting the clip 32 into the clip insertion holes 18 and 31 with the outer ends of the first member 11 and the second member 12 in the vehicle width direction inserted into the space inside the cap 13. 11 is attached to the outer end in the vehicle width direction. With the cap 13 attached to the vehicle width direction outer end of the first member 11, the vehicle width direction inner edge 33 of the cap rear plate portion 30 is larger than the vehicle width direction outer edge 22 of the second member 12. The length of the cap 13 in the vehicle width direction is set so as to be located inside in the vehicle width direction. The cap 13 covers the inner space 14 of the FUP 10 from the outside in the vehicle width direction while covering the corners (edges) of the

outer edges

23 and 22 of the first member 11 and the second member 12 in the vehicle width direction.

In the FUP 10 configured as described above, the clip insertion hole 18 of the first member 11 is provided between the upper plate portion 19 and the lower plate portion of the second member 12 of the upper plate portion 15 and the lower plate portion 16 of the first member 11. The portion 20 is formed in a region 24 protruding outward in the vehicle width direction from the outer edge 22 in the vehicle width direction. That is, the clip insertion hole 18 is formed in a region 24 of the upper plate 15 and the lower plate 16 of the first member 11 that does not overlap with the upper plate 19 and the lower plate 20 of the second member 12. For this reason, compared with the case where a clip insertion hole is formed in a region where the upper plate portion 15 and the lower plate portion 16 of the first member 11 and the upper plate portion 19 and the lower plate portion 20 of the second member 12 overlap. Since the clip insertion hole 18 can be formed in the hole 13, the workability of the mounting operation of the cap 13 can be improved.

Also, the first member 11 is disposed on the front side, the second member 12 is disposed on the rear side of the first member 11, and the length of the second member 12 in the vehicle width direction is shorter than that of the first member 11. That is, since the first member 11, which is the longer member in the vehicle width direction, is disposed on the front side, when the vehicle 1 is viewed from the front, the second member 12, which is the shorter member, becomes difficult to see, The deterioration of the appearance of the FUP 10 can be suppressed.

Further, the first member 11 is disposed on the front side, the second member 12 is disposed on the rear side of the first member 11, and the upper plate 19 and the lower plate 20 of the second member 12 are disposed on the upper plate of the first member 11. It is arranged between the portion 15 and the lower plate portion 16. That is, since the first member 11 having the upper plate portion 15 and the lower plate portion 16 disposed on the outside (upper side on the upper surface side of the FUP 10 and lower side on the lower surface side) is disposed on the front side, the vehicle 1 is moved from the front. When viewed, it is difficult for the welded portion of the rear edge 25 of the upper plate portion 15 and the lower plate portion 16 of the first member 11 to be seen from the front, and the appearance of the FUP 10 can be prevented from lowering.

In the present embodiment, the first member 11 having the upper plate portion 15 and the lower plate portion 16 disposed on the outer side (upper side on the upper side of the FUP 10 and lower side on the lower side) (hereinafter, simply disposed on the outer side). A second member 12 (hereinafter, referred to as a first member 11) having an upper plate portion 19 and a lower plate portion 20 disposed on the front side (the lower side on the upper surface side of the FUP 10 and the upper side on the lower surface side). , Simply referred to as the second member 12 disposed on the inner side), but is not limited to this, but is not limited to this, and the larger (longer in the vertical direction) second side disposed on the outer side is not limited thereto. The one member 11 may be arranged on the rear side, and the smaller (the shorter in the vertical direction) second member 12 arranged inside may be arranged on the front side.

In the present embodiment, the first member 11 having a longer length in the vehicle width direction is disposed on the front side, and the second member 12 having a shorter length in the vehicle width direction is disposed on the rear side. The first member 11 having the longer length in the vehicle width direction is disposed on the rear side, and the second member 12 having the shorter length in the vehicle width direction is disposed on the front side. Good.

In the present embodiment, the smaller (longer in the vertical direction) second member 12 is shorter in the vehicle width direction than the larger (longer in the vertical direction) first member 11. Although the clip insertion hole 18 was formed at the outer end of the first member 11 in the vehicle width direction, the present invention is not limited to this. For example, the first member 11 having a longer length in the vertical direction is formed shorter in the vehicle width direction than the second member 12 having a shorter length in the vertical direction. Also, a clip insertion hole (through hole) may be formed in a region protruding outward in the vehicle width direction.

In addition, in the present embodiment, the bottomed rectangular cylindrical cap 13 is provided, but the shape of the cap 13 is not limited to this.

In the present embodiment, the cap 13 is attached to the outer end of the first member 11 in the vehicle width direction by the clip 32. However, the present invention is not limited to this. For example, the cap 13 may be attached by a bolt. In this case, a bolt insertion hole (through hole) may be formed at the outer end of the first member 11 in the vehicle width direction.

Further, in the present embodiment, the underrun protector according to the present disclosure is applied to the FUP 10 extending in the vehicle width direction below the front end of the vehicle 1, but is not limited thereto, and is not limited thereto. The present invention may be applied to a rear underrun protector (underrun protector) 40 (see FIG. 1) extending in the vehicle width direction below (an end on one side in the front-rear direction). In this case, the rear side is one side in the front-rear direction, and the front side is the other side in the front-rear direction.

As described above, the present disclosure has been described based on the above embodiments. However, the present disclosure is not limited to the contents of the above embodiments, and can be appropriately changed without departing from the present disclosure. 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 disclosure.

For example, in the above embodiment, the underrun protector according to the present disclosure is applied to a truck, but may be applied to a vehicle other than a truck.

This application is based on Japanese Patent Application (No. 2018-169531) filed on September 11, 2018, the contents of which are incorporated herein by reference.

アンダー The underrun protector according to the present disclosure can be widely applied to trucks and other vehicles.

1: Vehicle 10: Front underrun protector (underrun protector)
11: first member 12: second member 13: cap 15: upper plate portion of the first member (first horizontal plate portion)
16: Lower plate portion of the first member (first horizontal plate portion)
17: front plate portion of the first member (first vertical plate portion)
18: Clip insertion hole (through hole)
19: Upper plate portion of the second member (second horizontal plate portion)
20: Lower plate portion of the second member (second horizontal plate portion)
21: Rear plate portion of the second member (second vertical plate portion)
24: Area 40: Rear underrun protector (underrun protector)

Claims

A cylindrical underrun protector extending in a vehicle width direction below an end on one side in a front-rear direction of the vehicle,
It is formed in a substantially C-shaped cross section having a pair of first horizontal plate portions facing in the vertical direction and a first vertical plate portion extending in the vertical direction and connected to an edge of the first horizontal plate portion, and is long in the vehicle width direction. A first member extending to the scale,
It is formed in a substantially C-shaped cross section having a pair of second horizontal plate portions facing in the vertical direction and a second vertical plate portion extending in the vertical direction and connected to an edge of the second horizontal plate portion, and is long in the vehicle width direction. The second member has a side where the substantially C-shaped cross section is opened and a side where the substantially C-shaped cross section of the first member is opened. A second member fixed to the first member in a state where the two horizontal plate portions are arranged;
A cap that covers an outer end in the vehicle width direction in a state where the first member and the second member are fixed,
An outer edge of one of the first horizontal plate portion and the second horizontal plate portion in the vehicle width direction is an outer edge of the other of the first horizontal plate portion and the second horizontal plate portion. Located in the vehicle width direction inside,
In the other of the first horizontal plate portion and the second horizontal plate portion, the other of the first horizontal plate portion and the second horizontal plate portion protrudes outward in the vehicle width direction from the one of the first horizontal plate portion and the second horizontal plate portion. An underrun protector in which a through hole for attaching the cap is formed.
The underrun protector according to claim 1, wherein
The underrun protector, wherein the member having the other is disposed closer to the one side in the front-rear direction of the vehicle than the member having the one.
The underrun protector according to claim 1, wherein
The underrun protector, wherein the first member is disposed closer to the one side in the front-rear direction of the vehicle than the second member.
An underrun protector according to claim 2, wherein
The underrun protector, wherein the first member is disposed closer to the one side in the front-rear direction of the vehicle than the second member.