JP7004246B2 - Vehicle mudguard structure - Google Patents

Description

The present disclosure relates to a mudguard structure of a vehicle.

Patent Document 1 describes a mudguard that is composed of a mudguard upper and a mudguard lower that is separate from the mudguard upper and is divided into upper and lower parts. The mudguard upper and mudguard lower are individually fixed to the side frame.

Japanese Unexamined Patent Publication No. 2016-164011

In the mudguard divided into two parts, the mudguard upper and the mudguard lower as in Patent Document 1, the distance between the vehicle body side mounting part (mudguard upper mounted part) and the tire (mudguard lower) to which the mudguard upper is fixed is It may differ depending on the specifications of the vehicle. In this case, if the mudguard upper is formed in a shape that matches the specification (low specification) where the distance between the mudguard lower and the mudguard upper mounting part (upper setting distance) is short (high specification), the mudguard is used in the specification where the upper setting distance is long (high specification). The upper and the mudguard lower are separated from each other to form an opening (non-covered portion), and the function as a mudguard is deteriorated. On the other hand, if the mudguard upper is formed in a shape that matches the high specifications, the lower part of the mudguard upper interferes with the mudguard lower in the low specifications, and the mudguard upper cannot be attached.

This inconvenience can be eliminated by properly using a plurality of types of mudguard uppers (two types in the case of low specifications and high specifications) corresponding to the difference in the upper setting distance. However, it is complicated because it is necessary to prepare a plurality of types of mudguard uppers having different shapes depending on the upper setting distance.

Therefore, an object of the present disclosure is to provide a mudguard structure capable of flexibly responding to a change in the position of a mudguard upper attached portion without deteriorating the function as a mudguard.

In order to achieve the above object, the mudguard structure of the vehicle according to the first aspect of the present invention is divided into an upper mudguard upper and a lower mudguard lower, and the mudguard covering the tire from above and rear and the mudguard. It is equipped with a mudguard upper bracket for attaching the upper to the vehicle body side.

The mudguard lower has a lower cover portion facing the tread surface of the tire and a lower outer portion provided on the outer side in the vehicle width direction of the lower cover portion, and is fixed to the vehicle body side without a mudguard upper bracket. The mudguard upper bracket has an upper part of the bracket fixed to the mudguard upper attached portion on the vehicle body side provided above the front of the mudguard lower, a lower part of the bracket arranged below the upper part of the bracket, and the upper part of the bracket and the lower part of the bracket. It has a bracket intermediate portion to be connected and a plate-shaped upper cover portion extending from the lower part of the bracket to the rear lower part. The mudguard upper has an upper inner portion which is attached to the lower part of the bracket at the front upper part of the lower cover portion and faces the tread surface of the tire, and an upper outer portion which is provided on the outer side of the upper inner portion in the vehicle width direction and extends rearward and downward.

In the mudguard mounted state where the mudguard lower is fixed to the vehicle body side, the upper part of the bracket is fixed to the mudguard upper attached part, and the upper inner part is attached to the lower part of the bracket, the lower end part of the upper outer part is close to or closer to the upper end part of the lower outer part. In contact with each other, the lower end edge of the upper inner portion is separated from the upper end edge of the lower cover portion, and the upper cover portion of the lower cover portion closes between the lower end edge portion of the upper inner portion and the upper end edge portion of the lower cover portion. Close to or in contact with the upper edge and facing the tread surface of the tire.

In the above configuration, the position of the mudguard upper attached portion moves upward or downward due to a change in vehicle specifications, etc., and the distance between the mudguard lower and the mudguard upper attached portion (upper set distance) increases or decreases. In this case, the mudguard upper is attached to the vehicle body side by using the mudguard upper bracket having a shape in which the length of the middle portion of the bracket is extended or shortened according to the increase or decrease of the upper set distance without changing the shape of the mudguard upper. In this way, the mudguard upper and the mudguard lower can be made common parts by absorbing the increase / decrease in the upper set distance (change in the position of the mudguard upper attached portion) by changing the shape of the mudguard upper bracket. Therefore, it is possible to flexibly respond to a change in the position of the mudguard upper attached portion without deteriorating the function as a mudguard.

The second aspect of the present invention is the mudguard structure of the first aspect, and the mudguard upper bracket is divided into an upper bracket main body and a cover member. The upper bracket body integrally has an upper part of the bracket, a lower part of the bracket, and an intermediate part of the bracket. The cover member integrally has an upper portion of the cover fixed to the lower portion of the bracket and an upper cover portion extending from the upper portion of the cover.

In the above configuration, the mudguard upper bracket is divided into an upper bracket body having an upper part of the bracket, a lower part of the bracket, and an intermediate part of the bracket, and a cover member having an upper cover part. , It can be formed of a material according to the rigidity (strength) required for each, and the weight of the mudguard upper bracket can be reduced.

A third aspect of the present invention is the mudguard structure of the second aspect, in which the upper bracket main body extends linearly or in a thin plate shape from the lower portion of the bracket along the surface of the upper cover portion to extend the upper cover portion. It integrally has a cover member support portion to support.

In the above configuration, since the cover member is reinforced by the cover member support portion of the upper bracket main body, it is possible to reduce the weight of the mudguard upper bracket by thinning the cover member while ensuring rigidity.

A fourth aspect of the present invention is the mudguard structure according to any one of the first to third aspects, wherein another bracket arranged above the mudguard lower and fixed to the vehicle body side for mounting an in-vehicle component is provided. Be prepared.

In the second mudguard mounting state where the distance between the mudguard lower and the mudguard upper mounting part is shorter than in the mudguard mounting state of the first aspect, and the upper inner part is directly mounted to the mudguard upper mounting part without going through the mudguard upper bracket. , The lower end of the upper outer part is close to or in contact with the upper end of the lower outer part, the lower end edge of the upper inner part is separated from the upper end edge of the lower cover part, and the other brackets are separated from the lower end edge of the upper inner part and the lower cover. It faces or comes into contact with or in contact with the upper end edge of the lower cover portion so as to close the space between the upper end edge of the portion and faces the tread surface of the tire.

In the above configuration, in the second mudguard mounting state, the mudguard upper bracket is omitted, and the other brackets for mounting the in-vehicle parts function in the same manner as the upper cover portion. It is not necessary to prepare a mudguard upper bracket, and the types of mudguard upper brackets to be prepared can be reduced.

According to the present disclosure, it is possible to flexibly respond to a change in the position of the mudguard upper attached portion without deteriorating the function as a mudguard.

It is a side view of the vehicle provided with the mudguard structure which concerns on one Embodiment of this invention. It is a rear view which looked at the main part of the mudguard structure of this embodiment from the rear. FIG. 2 is a cross-sectional view taken along the line III-III in FIG. It is a perspective view of the mudguard upper bracket of FIG. It is a perspective view of FIG. It is a side view of FIG. It is a perspective view of the mudguard structure at the time of low specifications. It is a side view of FIG.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. In each figure, the arrow FR indicates the front of the vehicle, the arrow UP indicates the upper side, and the arrow IN indicates the inside in the vehicle width direction. Further, 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 of facing the front of the vehicle.

As shown in FIG. 1, the vehicle provided with the mudguard 10 according to the present embodiment is a cab-over type truck 1 in which the cab 2 is generally arranged above the engine (not shown), and is a vehicle body frame 3 and a cab. It has a pair of left and right front tires (tires) 4 arranged on both sides in the vehicle width direction below 2. In FIG. 1, only the front tire 4 on the right side is shown. The mudguard 10 is fixed to the vehicle body frame 3 and is arranged behind the left and right front tires 4. Since the left and right mudguards 10 are symmetrically provided on the left and right sides of the track 1 and have substantially the same configuration, the right side will be described below, and the left side will be omitted.

The vehicle body frame 3 includes left and right side frames 5 extending in the front-rear direction of the truck 1 on both sides in the vehicle width direction, and a plurality of cross frames (not shown) extending along the vehicle width direction and connecting the left and right side frames 5. Has. In FIG. 1, only the right side frame 5 is shown.

The lower front end of the cab 2 is rotatably supported by the front end of the vehicle body frame 3 via a front cab mount (not shown). The cab 2 is in a non-tilted state (see FIG. 1) in which the lower part of the rear end of the cab 2 is locked to the rear cab mount (not shown) and supported by the vehicle body frame 3, and the cab 2 is unlocked by the rear cab mount. It can be set to a tilted state (not shown) in which the lower part of the rear end is tilted forward and upward. In the non-tilted state, the outer end portion of the lower surface of the cab 2 in the vehicle width direction partitions the upper part of the wheel house 6 for accommodating the front tire 4. Further, a fender 7 extending in the front-rear direction above the wheel house 6 is provided at the lower portion of the outer surface of the cab 2 in the vehicle width direction. In the following description, unless otherwise specified, the vertical direction and the front-rear direction of the cab 2 mean the vertical direction and the front-rear direction in the non-tilted state.

As shown in FIGS. 2 to 6, the mudguard structure of the present embodiment includes a mudguard 10, a mudguard upper bracket 30, and an air cleaner bracket (other bracket) 50.

The mudguard 10 is vertically divided into an upper mudguard upper 11 and a lower mudguard lower 21 separate from the mudguard upper 11. The mudguard 10 covers the front tire 4 from the rear upper side to prevent muddy water or the like splashed by the front tire 4 from being scattered to the rear and outward in the vehicle width direction when the truck 1 is traveling. A flexible rubber mudflap 8 is fixed and hangs down on the lower end edge of the mudguard 10 (the lower end edge of the mudguard lower 21) (see FIG. 1).

The mudguard lower 21 includes a mud cover lower body 22 made of a hard resin and a lower elastic cover 23 made of rubber.

The mud cover lower body 22 integrally has a plate-shaped lower inner portion 24 facing the tread surface 4a of the front tire 4 and a lower outer portion 25 provided on the outer side of the lower inner portion 24 in the vehicle width direction, and has a mud guard upper bracket. It is fixed to the vehicle body frame 3 on the vehicle body side without going through 30. The lower outer portion 25 is arranged outside the front tire 4 in the vehicle width direction, and extends upward from the lower inner portion 24.

The lower elastic cover 23 is fixed to the upper end portion of the lower inner portion 24 by bolts or the like, extends rearward and upward, and faces the tread surface 4a of the front tire 4. The lower inner portion 24 and the lower elastic cover 23 form a lower cover portion 26, and the upper end edge portion of the lower elastic cover 23 serves as the upper end edge portion of the lower cover portion 26.

The air cleaner bracket 50 is a metal plate material, is arranged above the mudguard lower 21, and is fixed to the vehicle body frame 3 on the vehicle body side without passing through the mudguard upper bracket 30. The air cleaner bracket 50 integrally has a flat plate-shaped cleaner bracket main body 51 arranged substantially horizontally and a flat plate-shaped mudguard upper mounting portion 52 that bends forward and upward from the front end edge of the cleaner bracket main body 51. .. The mudguard upper mounting portion 52 is arranged in front of and above the mudguard lower 21, and an air cleaner (vehicle-mounted component) 9 is mounted and mounted on the cleaner bracket main body 51. The mudguard upper mounting portion 52 may be provided in addition to the air cleaner bracket 50.

The mudguard upper bracket 30 includes an upper bracket main body 31 and a cover member 41 that is separate from the upper bracket 31. Both the upper bracket main body 31 and the cover member 41 are made of metal. The upper bracket main body 31 and the cover member 41 may be integrally formed.

The upper bracket main body 31 is integrally formed with a bracket upper portion 32, a bracket lower portion 33, a bracket intermediate portion 34, and two cover member support portions 35. The bracket upper portion 32 is fastened and fixed by bolts in a state of being in surface contact with the front surface of the mudguard upper attached portion 52, and the bracket intermediate portion 34 bends forward and downward from the rear end edge of the bracket upper portion 32 and extends. The bracket lower portion 33 bends and extends downward from the lower end edge of the bracket intermediate portion 34, and is arranged below the bracket upper portion 32. In this way, the bracket upper portion 32 and the bracket lower portion 33 are connected by the bracket intermediate portion 34. The cover member support portion 35 extends forward from the left and right ends of the bracket lower portion 33, respectively.

The cover member 41 is integrally formed with a cover upper portion 42 fixed by welding or the like in a state of being in surface contact with the upper surface of the bracket lower portion 33, and an upper cover portion 43 extending rearwardly and downwardly from the cover upper portion 42. That is, the upper cover portion 43 extends rearward and downward from the bracket lower portion 33. The upper cover portion 43 of the present embodiment is bent in a crank shape in accordance with the shape of the stairs on the upper surface of the upper outer portion 13 of the mudguard upper 11 described later. The shape of the upper cover portion 43 is not limited to the crank shape, and can be set to any shape.

The cover member support portion 35 of the upper bracket main body 31 extends from the lower portion 33 of the bracket in a thin plate shape, bends along the surface (lower surface) of the upper cover portion 43, is fixed to the upper cover portion 43, and is fixed to the upper cover portion 43. Support 43 from below. The cover member support portion 35 may be linear (rod-shaped).

The mudguard upper 11 is made of a hard resin, and is fixed by bolts or the like in a state of being in surface contact with the lower surface of the bracket lower portion 33 at the front upper portion of the lower cover portion 26, and has an upper inner portion 12 facing the tread surface 4a of the front tire 4. It integrally has an upper outer portion 13 provided on the outer side of the upper inner portion 12 in the vehicle width direction. The upper outer portion 13 is arranged outside the front tire 4 in the vehicle width direction, and extends downward from the upper inner portion 12. The upper surface of the upper outer portion 13 has a staircase shape that rises toward the front when viewed from the outside in the vehicle width direction.

As shown in FIGS. 3, 5 and 6, the mudguard lower 21 is fixed to the vehicle body side, the bracket upper portion 32 is fixed to the mudguard upper attached portion 52, and the upper inner portion 12 is attached to the bracket lower portion 33. In the state (first mudguard mounting state), the lower end portion of the upper outer portion 13 is close to or in contact with the upper end portion of the lower outer portion 25, and the lower end edge portion of the upper inner portion 12 is separated from the upper end edge portion of the lower elastic cover 23. Then, the upper cover portion 43 is in close proximity to or in contact with the upper end edge portion of the lower elastic cover 23 so as to close between the lower end edge portion of the upper inner portion 12 and the upper end edge portion of the lower elastic cover 23, and the front tire 4 Facing the tread surface 4a of. An elastic sheet 27 for enhancing the airtightness with the upper outer portion 13 is fixed to the upper end surface of the lower outer portion 25, and the lower end portion of the upper outer portion 13 is the lower outer portion 25 so as to involve the elastic sheet 27. Go inside in the width direction.

Further, as shown in FIGS. 7 and 8, when the distance between the mudguard lower 21 and the mudguard upper attached portion 52 is a predetermined distance shorter than that in the first mudguard attached state, the upper inner portion 12 does not go through the mudguard upper bracket 30. Is directly attached to the mudguard upper attached portion 52. In the second mudguard mounting state, the lower end portion of the upper outer portion 13 is close to or in contact with the upper end portion of the lower outer portion 25, and the lower end edge portion of the upper inner portion 12 is separated from the upper end edge portion of the lower elastic cover 23. The cleaner bracket body 51 of the air cleaner bracket 50 is in close proximity to or in contact with the upper end edge of the lower elastic cover 23 so as to close between the lower end edge of the upper inner portion 12 and the upper end edge of the lower elastic cover 23, and is in front of the cleaner bracket body 51. It faces the tread surface 4a of the tire 4.

According to the present embodiment, in the first mudguard mounting state, the position of the mudguard upper mounted portion 52 moves upward or downward due to a change in vehicle specifications or the like, and the mudguard lower 21 and the mudguard upper mounted portion 52 are mounted. When the distance from 52 (upper set distance) increases or decreases (for example, when the installation height of the air cleaner 9 with respect to the vehicle body frame 3 is changed and the set position of the air cleaner bracket 50 is changed accordingly), the mudguard The mudguard upper 11 can be attached to the vehicle body side by using the mudguard upper bracket having a shape in which the length of the bracket intermediate portion 34 is extended or shortened according to the increase or decrease of the upper set distance without changing the shape of the upper 11. can. In this way, by absorbing the fluctuation of the upper set distance by changing the shape of the mudguard upper bracket 30, the mudguard upper 11 and the mudguard lower 21 can be made common parts. Therefore, it is possible to flexibly respond to a change in the position of the mudguard upper attached portion 52 without deteriorating the function as the mudguard 10.

The mudguard upper bracket 30 is divided into an upper bracket main body 31 having a bracket upper portion 32, a bracket lower portion 33, and a bracket intermediate portion 34, and a cover member 41 having an upper cover portion 43. The cover member 41 can be formed of a material corresponding to the rigidity (strength) required for each, and the weight of the mudguard upper bracket 30 can be reduced.

Since the cover member 41 is reinforced by the cover member support portion 35 of the upper bracket main body 31, the weight of the mudguard upper bracket 30 can be reduced by thinning the cover member 41 while ensuring rigidity.

Further, in the second mudguard mounting state in which the upper set distance is shortened from the first mudguard mounting state to a predetermined distance, the mudguard upper bracket 30 is omitted, and the air cleaner bracket 50 for mounting the air cleaner 9 is used as the upper cover portion 43. Since it can function in the same manner, it is not necessary to prepare a mudguard upper bracket having a shape corresponding to the second mudguard mounting state, and the types of mudguard upper brackets to be prepared can be reduced. Therefore, for example, when manufacturing a vehicle model having the first specification in which the first mudguard is mounted and a vehicle model having the second specification in which the second mudguard is mounted, one type of mudguard upper bracket 30 is used. be able to.

Although the present invention has been described above based on the above-described embodiment, the present invention is not limited to the contents of the above-described embodiment, and can be appropriately modified without departing from the present invention. That is, it goes without saying that all other embodiments, examples, operational techniques, and the like made by those skilled in the art based on this embodiment are included in the scope of the present invention.

For example, in the above embodiment, the left and right mudguards 10 are provided symmetrically to the left and right of the track 1, but the mudguard 10 according to the above embodiment may be provided only on either the left or right side of the track 1. Further, the target tire is not limited to the front tire 4, and may be the rear tire 60.

The present invention is applicable to vehicles equipped with mudguards.

1: Truck (vehicle)
2: Cab 3: Body frame 4: Front tires (tires)
6: Wheel house 7: Fender 9: Air cleaner (in-vehicle parts)
10: Mud guard 11: Mud guard upper 12: Upper inner part 13: Upper outer part 21: Mad guard lower 22: Mud cover Lower body 23: Lower elastic cover 24: Lower inner part 25: Lower outer part 26: Lower cover part 27: Elastic sheet 30: Mud guard upper Bracket 31: Upper bracket body 32: Bracket upper part 33: Bracket lower part 34: Bracket middle part 35: Cover member support part 41: Cover member 42: Cover upper part 43: Upper cover part 50: Air cleaner bracket (other bracket)
51: Cleaner bracket body 52: Mudguard upper mounting part 60: Rear tire

Claims (4)

The mudguard, which is divided into an upper mudguard upper and a lower mudguard lower, covers the tire from the rear upper part, and
A mudguard upper bracket for attaching the mudguard upper to the vehicle body side is provided.
The mudguard lower has a lower cover portion facing the tread surface of the tire and a lower outer portion provided on the outer side of the lower cover portion in the vehicle width direction, and is fixed to the vehicle body side without via the mudguard upper bracket.
The mudguard upper bracket includes an upper part of the bracket fixed to the mudguard upper attached portion on the vehicle body side provided above the front of the mudguard lower, a lower part of the bracket arranged below the upper part of the bracket, and the upper part of the bracket and the above. It has a bracket intermediate part that connects to the lower part of the bracket, and a plate-shaped upper cover part that extends rearward and downward from the lower part of the bracket.
The mudguard upper is attached to the lower part of the bracket on the front upper side of the lower cover portion and faces the tread surface of the tire, and the upper inner portion is provided on the outer side in the vehicle width direction of the upper inner portion and extends rearward and downward. And have
In the mudguard mounting state where the mudguard lower is fixed to the vehicle body side, the upper part of the bracket is fixed to the mudguard upper attached portion, and the upper inner portion is attached to the lower part of the bracket, the lower end portion of the upper outer portion is the lower outer portion. The lower end edge of the upper inner portion is close to or in contact with the upper end portion of the portion, the lower end edge portion of the upper inner portion is separated from the upper end edge portion of the lower cover portion, and the upper cover portion is the lower end edge portion of the upper inner portion and the upper end edge of the lower cover portion. A vehicle mudguard structure characterized in that it faces or comes into contact with or in contact with the upper end edge of the lower cover portion so as to close between the portions and faces the tread surface of the tire. The mudguard structure according to claim 1.
The mudguard upper bracket is configured by being divided into an upper bracket main body and a cover member.
The upper bracket main body integrally has the upper portion of the bracket, the lower portion of the bracket, and the intermediate portion of the bracket.
The cover member has a mudguard structure of a vehicle, which integrally has an upper part of a cover fixed to the lower part of the bracket and the upper cover part extending from the upper part of the cover. The mudguard structure according to claim 2.
The upper bracket main body is characterized by integrally having a cover member support portion that extends linearly or in a thin plate shape from the lower portion of the bracket along the surface of the upper cover portion and supports the upper cover portion. Vehicle mudguard structure. The mudguard structure according to any one of claims 1 to 3.
It is equipped with other brackets that are placed above the mudguard lower and fixed to the vehicle body side for mounting in-vehicle parts.
A second mudguard mounting state in which the distance between the mudguard lower and the mudguard upper mounted portion is shorter than that in the mudguard mounting state, and the upper inner portion is directly mounted to the mudguard upper mounting portion without using the mudguard upper bracket. Then, the lower end portion of the upper outer portion is close to or in contact with the upper end portion of the lower outer portion, the lower end edge portion of the upper inner portion is separated from the upper end edge portion of the lower cover portion, and the other bracket is the upper inner portion. A vehicle characterized in that it faces or comes into contact with or in contact with the upper end edge portion of the lower cover portion so as to close between the lower end edge portion of the portion and the upper end edge portion of the lower cover portion and faces the tread surface of the tire. Mudguard structure.

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