JP2021142783A - Mount frame and mount frame attaching structure - Google Patents

Abstract

To provide a mount frame and a mount frame attaching structure that fasten the mount frame at an appropriate position.SOLUTION: A mount frame includes: a mount frame main body 3a which is placed at the respective upper sides of vehicle body frames 1a and 1b formed so as to extend in a back-and-forth direction D2 of a vehicle, and which supports a mount portion 5 loaded on the vehicle; and support portions 8a and 8b which are place so as to pass completely through respective upper wall portions 9a of the vehicle body frame 1a and 1b and extend downwardly from the mount frame main body 3a, and which abut the vehicle body frames 1a and 1b, respectively, so as to support the vehicle body frames 1a and 1b at the respective tip sides.SELECTED DRAWING: Figure 2

Description

The present disclosure relates to a mounting frame and a mounting structure of the mounting frame.

Conventionally, in commercial vehicles such as trucks, a mounting frame that supports the mounting portion from below has been put into practical use. Generally, the mounting frame is fixed to the upper side of the vehicle body frame that supports the vehicle body. At this time, the mounting frame is required to be firmly fixed to the vehicle body frame.

As a technique for firmly fixing the mounting frame, for example, Patent Document 1 discloses a vehicle carrier support structure capable of supporting a carrier on a vehicle body while suppressing vibration or the like. In this vehicle carrier support structure, bolts are arranged so as to sandwich the vehicle body frame, so that the mounting frame can be firmly fixed to the vehicle body frame.

Japanese Unexamined Patent Publication No. 2013-244820

However, in the support structure of Patent Document 1, the mounting frame is fixed by bolts arranged on the outside of the vehicle body frame. Generally, equipment such as a fuel tank, a battery and a spare tire are attached to the body frame. For this reason, if the bolts are arranged on the outside of the vehicle body frame, the bolts are fixed at a position avoiding the equipment, and there is a possibility that the mounting frame cannot be fixed at an appropriate position.

It is an object of the present disclosure to provide a mounting frame and a mounting structure for mounting frames that secure the mounting frame in an appropriate position.

The mounting frame according to the present disclosure is arranged on the upper side of a vehicle body frame formed so as to extend in the front-rear direction of the vehicle, and is formed from a mounting frame main body that supports the mounting portion mounted on the vehicle and a mounting frame main body. It is arranged so as to penetrate the upper wall portion of the vehicle body frame and extend downward, and is provided with a support portion that abuts on the vehicle body frame so that the tip side supports the vehicle body frame.

The mounting structure of the mounting frame according to the present disclosure includes the above mounting frame and a vehicle body frame to which the mounting frame is mounted.

According to the present disclosure, it is possible to fix the mounting frame at an appropriate position.

It is a figure which shows the structure of the vehicle provided with the mounting frame which concerns on Embodiment 1 of this disclosure. It is a figure which shows the structure of the mounting frame. It is a figure which shows the state which the support part was fixed to the body of the mounting frame. It is a figure which shows the state of inserting a support part into a vehicle body frame. It is a figure which shows the structure of the mounting frame of Embodiment 2. It is a figure which shows the structure of the mounting frame of Embodiment 3. It is a figure which shows the structure of the mounting frame of Embodiment 4. It is a figure which shows the structure of the mounting frame which concerns on the modification of Embodiments 1-4.

Hereinafter, embodiments according to the present disclosure will be described with reference to the accompanying drawings.

FIG. 1 shows a configuration of a vehicle provided with a mounting frame according to an embodiment of the present disclosure. The vehicle has a pair of body frames 1a and 1b, a plurality of cross members 2, a mounting frame 3, a cab 4, and a mounting portion 5. Examples of vehicles include commercial vehicles such as trucks.

The vehicle body frames 1a and 1b support the vehicle body, and are arranged so as to extend in the front-rear direction D2 of the vehicle while being separated from each other in the vehicle width direction D1. The body frames 1a and 1b are arranged so as to extend from the front part to the rear part of the vehicle.

The cross members 2 are arranged apart from each other in the front-rear direction D2 and are formed so as to extend in the vehicle width direction D1. Both ends of the cross member 2 are fixed to the vehicle body frames 1a and 1b.
Here, it is assumed that the devices V such as the fuel tank, the battery, and the spare tire fixed to the vehicle body frames 1a and 1b are centrally arranged around the cross member 2a among the plurality of cross members 2.

The mounting frame 3 has a mounting frame main body 3a. The mounting frame main body 3a is attached to the vehicle body frames 1a and 1b to support the mounting portion 5, and is arranged above the vehicle body frames 1a and 1b. The mounting frame main body 3a has a pair of vertical joists 6a and 6b and a plurality of horizontal joists 7.

The vertical joists 6a and 6b are arranged apart from the outside of the vehicle body frames 1a and 1b in the vehicle width direction D1 and are formed so as to extend in the front-rear direction D2. The vertical joists 6a and 6b are formed so as to extend from the front portion to the rear portion of the mounting portion 5.
The horizontal roots 7 are arranged apart from each other in the front-rear direction D2 and are formed so as to extend in the vehicle width direction D1. Then, the vicinity of both ends of the horizontal joist 7 is fixed to the vertical joists 6a and 6b.

The cab 4 is for passengers to board, and is arranged near the front portion on the upper side of the vehicle body frames 1a and 1b.

The mounting portion 5 is for loading, for example, luggage, and is mounted on the rear of the vehicle of the cab 4 and fixed to the mounting frame 3.

Next, the configuration of the mounting frame 3 will be described in detail.

As shown in FIG. 2, the mounting frame 3 has a pair of support portions 8a and 8b.

Here, the vehicle body frames 1a and 1b have a box shape in which a space is formed, and an upper wall portion 9a, a lower wall portion 9b, and a pair of side wall portions 9c and 9d are arranged so as to surround the space. .. The upper wall portion 9a, the lower wall portion 9b, and the pair of side wall portions 9c and 9d each have a plate shape extending in the front-rear direction D2, and the edge portions are connected to each other. Further, on the inner surfaces of the side wall portions 9c and 9d, attachments 9e for attaching the equipment V to the outside and inside of the vehicle body frames 1a and 1b in the vehicle width direction D1 are arranged.

The support portions 8a and 8b are arranged corresponding to the vehicle body frames 1a and 1b, respectively, and are formed so as to penetrate the upper wall portions 9a of the vehicle body frames 1a and 1b from the lower surface of the horizontal root thickness 7 and extend downward. The base ends of the support portions 8a and 8b are fixed to the horizontal root thickness 7 by, for example, welding and bolts. Further, the support portions 8a and 8b can be formed in a cylindrical shape, a quadrangular prism shape, or the like, for example.

The support portions 8a and 8b are formed so as to penetrate from the upper wall portion 9a to the lower wall portion 9b of the vehicle body frames 1a and 1b. At this time, the support portions 8a and 8b are arranged so as to penetrate the intermediate region R separated inward from the side wall portions 9c and 9d of the vehicle body frames 1a and 1b in the vehicle width direction D1.

Further, the vicinity of the tip portions of the support portions 8a and 8b is fixed to the lower wall portions 9b of the vehicle body frames 1a and 1b by the fixture 10. As a result, the vicinity of the tip portions of the support portions 8a and 8b and the fixture 10 come into contact with each other so as to support the vehicle body frames 1a and 1b.
The support portions 8a and 8b can be arranged on all the horizontal roots 7.

Next, a method of attaching the mounting frame 3 will be described.

First, as shown in FIG. 3, the support portions 8a and 8b are fixed to the horizontal root thickness 7 so as to extend downward from the lower surface of the horizontal root thickness 7 of the mounting frame main body 3a. Subsequently, as shown in FIG. 4, the tip portions of the support portions 8a and 8b are inserted into the holes formed in the upper wall portion 9a and the lower wall portion 9b of the vehicle body frames 1a and 1b.

At this time, the holes of the vehicle body frames 1a and 1b are formed in the vicinity of the central portion of the upper wall portion 9a and the lower wall portion 9b in the vehicle width direction D1. Therefore, the support portions 8a and 8b are inserted so as to penetrate the intermediate region R separated from the side wall portions 9c and 9d of the vehicle body frames 1a and 1b in the vehicle width direction D1. Mounting tools 9e for mounting the equipment V are arranged on the inner surfaces of the side wall portions 9c and 9d, and by locating the support portions 8a and 8b in the intermediate region R, the support portions 8a avoid the mounting tools 9e. And 8b can be inserted smoothly. That is, the support portions 8a and 8b are inserted so as to penetrate the intermediate region R avoiding the fixture 9e in the intermediate portion between the upper wall portion 9a and the lower wall portion 9b.

In this way, the support portions 8a and 8b are inserted so as to penetrate from the upper wall portion 9a to the lower wall portion 9b of the vehicle body frames 1a and 1b. Then, as shown in FIG. 2, the vicinity of the tip portions of the support portions 8a and 8b protruding downward from the lower wall portion 9b is fixed to the lower wall portion 9b by the fixture 10.

Generally, around the cross member 2 arranged between the front wheels and the rear wheels of the vehicle, for example, the cross member 2a, many devices V are formed not only on the outside of the body frames 1a and 1b but also on the inside. Be placed. Therefore, it is difficult to extend both end portions of the cross member 2a downward to the lower edge portion of the side wall portion 9d. In such a case, both ends end in contact with only the vicinity of the upper portion of the side wall portion 9d. It is formed. At this time, since the devices V are intensively arranged on the outside of the vehicle body frames 1a and 1b, the vehicle body frames 1a and 1b are subjected to stress that tilts the lower side toward the inside of the vehicle. Therefore, if both ends of the cross member 2a abut only in the vicinity of the upper portion of the side wall portion 9d, stress may be concentrated on the abutting portion P with which the lower edge portion of the cross member 2a abuts on the side wall portion 9d.

At this time, the vehicle body frames 1a and 1b can be supported by fixing the vehicle body frames 1a and 1b and the mounting frame 3 with a fixture. However, for example, a fixture such as a U-bolt having a U-shape is arranged outside the vehicle body frames 1a and 1b. Therefore, the equipment V arranged around the cross member 2a cannot be fixed in the vicinity of the cross member 2a, and the vehicle body frames 1a and 1b and the mounting frame 3 are fixed at positions avoiding the equipment V. Become. Therefore, in the vehicle body frames 1a and 1b, the vicinity of the cross member 2a cannot be fixed by the fixture, and it is also difficult to support the vehicle body frames 1a and 1b by the fixture.

Therefore, in the present disclosure, the support portions 8a and 8b are arranged so as to penetrate the upper wall portion 9a and extend downward. Then, since the vicinity of the tip portions of the support portions 8a and 8b penetrates and contacts the lower wall portions 9b of the vehicle body frames 1a and 1b, the vehicle body frames 1a and 1b can be firmly supported.

In this way, since the support portions 8a and 8b are arranged so as to penetrate the upper wall portion 9a and extend downward, the vehicle body frames 1a and 1b and the mounting frame 3 are arranged without hindering the arrangement of the equipment V. Can be fixed. For example, as shown in FIG. 1, the horizontal root thickness 7a arranged in the vicinity of the cross member 2a can be fixed to the vehicle body frames 1a and 1b. As a result, the vicinity of the cross member 2a can be firmly supported by the vehicle body frames 1a and 1b, and the concentration of stress due to the cross member 2a can be suppressed.

Further, since the support portions 8a and 8b do not hinder the arrangement of the devices V, the mounting frame 3 can be fixed to the vehicle body frames 1a and 1b at appropriate positions. Therefore, it is not necessary to change the arrangement of the mounting frame 3 and the equipment V in order to secure the fixed position, and the mounting frame 3 and the equipment V can be arranged at an appropriate position.

Further, since the vicinity of the tip portions of the support portions 8a and 8b is fixed to the lower wall portions 9b of the vehicle body frames 1a and 1b by the fixture 10, the vehicle body frames 1a and 1b can be supported more firmly.

According to the present embodiment, the support portions 8a and 8b are arranged so as to extend downward from the horizontal root thickness 7 through the upper wall portions 9a of the vehicle body frames 1a and 1b, and the vicinity of the tip portions thereof is arranged so as to extend downward from the vehicle body frame 1a and the vehicle body frame 1a and 1b. It abuts on the lower wall portion 9b so as to support 1b. Therefore, the support portions 8a and 8b can be arranged without hindering the arrangement of the devices V, and the mounting frame 3 can be fixed to the vehicle body frames 1a and 1b at appropriate positions.

(Embodiment 2)
Hereinafter, the second embodiment of the present disclosure will be described. Here, the differences from the above-described first embodiment will be mainly described, and the common reference numerals will be used for the common points with the above-described first embodiment, and detailed description thereof will be omitted.

In the above-described first embodiment, the support portions 8a and 8b are arranged at positions deviated from the cross member 2a in the front-rear direction D2, but they can also be arranged corresponding to the cross member 2a.

For example, as shown in FIG. 5, the horizontal root thickness 21 can be arranged in place of the horizontal root thickness 7 of the first embodiment, and the support portions 22a and 22b can be arranged in place of the support portions 8a and 8b.

The horizontal root thick 21 is arranged so as to correspond to the cross member 2a, and is formed so as to extend directly above the cross member 2a in the vehicle width direction D1.

The support portions 22a and 22b are arranged so as to extend downward from the lower surface of the horizontal root thickness 21 and penetrate from the upper wall portion to the lower wall portion of the vehicle body frames 1a and 1b. At this time, the support portions 22a and 22b are arranged so as to correspond to the cross member 2a and extend downward from the front surfaces of both end portions of the cross member 2a.

According to the present embodiment, since the support portions 22a and 22b are arranged corresponding to the cross members 2a, the vehicle body frames 1a and 1b can be supported more firmly.

(Embodiment 3)
Hereinafter, the third embodiment of the present disclosure will be described. Here, the differences from the above-described first and second embodiments will be mainly described, and the common points with the above-described first and second embodiments will be described in detail by using a common reference code. Omit.

In the above-described first and second embodiments, a connecting portion for connecting the pair of supporting portions can be arranged.
For example, as shown in FIG. 6, the connecting portion 31 can be newly arranged between the supporting portions 8a and 8b of the first embodiment.

The connecting portion 31 is arranged so as to extend in the vehicle width direction D1, and both end portions are connected to the tip portions of the support portions 8a and 8b, respectively. The connecting portion 31 may be formed integrally with the supporting portions 8a and 8b, or may be formed separately and fixed with bolts or the like. Further, the fixture 10 may be removed.

In this way, since the connecting portion 31 supports the tip portions of the supporting portions 8a and 8b in the vehicle width direction D1, the vehicle body frames 1a and 1b can be supported more firmly. At this time, since the connecting portion 31 is arranged below the vehicle body frames 1a and 1b, the equipment V is moved downward without hindering the arrangement of the equipment V arranged on the side of the vehicle body frames 1a and 1b. The support portions 8a and 8b can be supported at the avoiding positions.
Further, when a space is formed on the upper side of the connecting portion 31, equipment V or the like can be arranged in the space.

According to the present embodiment, since the connecting portion 31 is arranged so as to extend in the vehicle width direction D1 and both ends are connected to the tip portions of the support portions 8a and 8b, the tip portions of the support portions 8a and 8b are connected. The vehicle body frames 1a and 1b can be supported more firmly by supporting in the vehicle width direction D1.

(Embodiment 4)
Hereinafter, the fourth embodiment of the present disclosure will be described. Here, the differences from the above-described embodiments 1 to 3 will be mainly described, and the common points with the above-described embodiments 1 to 3 will be described in detail by using a common reference code. Omit.

In the above-described first to third embodiments, the pair of support portions are arranged so as to extend in a direction orthogonal to the horizontal root thickness 7, but may be arranged so as to extend downward from the horizontal root thickness 7. It is not limited to this.

For example, as shown in FIG. 7, the support portions 41a and 41b can be arranged in place of the support portions 8a and 8b of the first embodiment.
The support portions 41a and 41b are arranged corresponding to the vehicle body frames 1a and 1b, respectively, and are formed so as to penetrate the upper wall portions 9a of the vehicle body frames 1a and 1b from the lower surface of the horizontal root thickness 7 and extend downward. At this time, the support portions 41a and 41b are formed so as to incline downward from the horizontal root thickness 7 toward the vehicle side, that is, to incline outward in the vehicle width direction D1. Then, the vicinity of the tip portions of the support portions 41a and 41b penetrates the lower wall portions 9b of the vehicle body frames 1a and 1b and is fixed to the lower wall portion 9b by the fixture 10.

In this way, since the support portions 41a and 41b are formed so as to extend downward so as to be inclined toward the vehicle side, the vehicle body frames 1a and 1b can be supported toward the inside of the vehicle, and the cross member 2a can be supported. The vehicle body frames 1a and 1b can be supported more firmly against the stress of.
Further, the support portions 41a and 41b are arranged so as to incline and extend in the intermediate region R separated inward from the side wall portions 9c and 9d of the vehicle body frames 1a and 1b in the vehicle width direction D1. Therefore, the support portions 41a and 41b can be smoothly inserted into the vehicle body frames 1a and 1b while avoiding the attachment 9e.

According to the present embodiment, since the support portions 41a and 41b are formed so as to extend downwardly from the horizontal root thickness 7 toward the vehicle side, the vehicle body frames 1a and 1b are supported toward the inside of the vehicle. The vehicle body frames 1a and 1b can be supported more firmly against the stress of the cross member 2a.

In the above-described first to fourth embodiments, the support portion is arranged so as to penetrate from the upper wall portion 9a to the lower wall portion 9b of the vehicle body frames 1a and 1b, but the support portion penetrates the upper wall portion 9a and is downward. It suffices that the tip end side abuts on the vehicle body frames 1a and 1b so as to extend to, and the present invention is not limited to this.
For example, as shown in FIG. 8, the support portions 51a and 51b can be arranged in place of the support portions 8a and 8b of the first embodiment.

The support portions 51a and 51b are arranged so as to penetrate the upper wall portions 9a of the vehicle body frames 1a and 1b and extend downward so that the tip portions project in the vehicle width direction D1 inside the vehicle body frames 1a and 1b. It is formed. The tip portions of the support portions 51a and 51b are formed so as to abut on the inner surfaces of the side wall portions 9c and 9d of the vehicle body frames 1a and 1b. At this time, the tip portions of the support portions 51a and 51b may be fixed to the side wall portions 9c and 9d with a fixture such as a bolt.

In this way, the tips of the support portions 51a and 51b abut on the inner surfaces of the side wall portions 9c and 9d to support the vehicle body frames 1a and 1b, so that the support portions 51a and 51b do not interfere with the arrangement of the devices V. Can be arranged to support the vehicle body frames 1a and 1b, and the mounting frame 3 can be fixed to the vehicle body frames 1a and 1b at appropriate positions.

Further, in the above-described first to fourth embodiments, the support portion is arranged so as to extend downward from the horizontal root thickness 7, but it may be arranged so as to extend downward from the mounting frame main body 3a. It is not limited. For example, the support portion may be arranged so as to extend downward from the vertical joists 6a and 6b through the upper wall portions 9a of the vehicle body frames 1a and 1b.

Further, in the above-described first to fourth embodiments, the support portions are arranged so as to penetrate the box-shaped vehicle body frames 1a and 1b, but penetrate the upper wall portions 9a of the vehicle body frames 1a and 1b and downward. It may be arranged so as to extend, and the present invention is not limited to this.
For example, the vehicle body frame has a shape excluding the side wall portion 9d in the vehicle body frames 1a and 1b of the first embodiment, that is, the upper wall portion 9a and the lower wall portion in the vehicle width direction D1 from the upper edge portion and the lower edge portion of the side wall portion 9c. The U-shape with the overhanging portion 9b can be formed. The support portion can be arranged so as to penetrate from the upper wall portion 9a to the lower wall portion 9b of the U-shaped vehicle body frame.

Further, in the above-described first to fourth embodiments, the support portion is arranged so as to penetrate the intermediate region R separated from the side wall portions 9c and 9d of the vehicle body frames 1a and 1b in the vehicle width direction D1, but the vehicle body frame. It is not limited to this as long as it is arranged so as to penetrate the upper wall portions 9a of 1a and 1b and extend downward.
For example, the support portion can be arranged so as to extend downward while being in contact with the inner surface of the side wall portion 9d at a position avoiding the attachment 9e. As a result, the support portion abuts on the side wall portion 9d in the vertical direction D3 over the entire length, so that the vehicle body frames 1a and 1b can be supported more firmly.

In addition, the above embodiments are merely examples of embodiment of the present invention, and the technical scope of the present invention should not be construed in a limited manner by these. be. That is, the present invention can be implemented in various forms without departing from its gist or its main features. For example, the disclosure of the shape, number, and the like of each part described in the above embodiment is merely an example, and can be appropriately modified and implemented.

The mounting frame according to the present disclosure can be used as a frame fixed to the upper side of the vehicle body frame.

1a, 1b Body frame 2,2a Cross member 3 Mount frame 3a Mount frame body 4 Cab 5 Mount part 6a, 6b Vertical joists 7,7a, 21 Horizontal joists 8a, 8b, 22a, 22b, 41a, 41b, 51a , 51b Support part 9a Upper wall part 9b Lower wall part 9c, 9d Side wall part 9e Fixture 10 Fixture 31 Connection part D1 Vehicle width direction D2 Front-back direction D3 Vertical direction V Equipment R Intermediate area P Contact part

Claims (7)

A mounting frame body that is placed on the upper side of the vehicle body frame that is formed so as to extend in the front-rear direction of the vehicle and supports the mounting portion mounted on the vehicle, and a mounting frame body.
A mounting frame that is arranged so as to extend downward from the mounting frame main body through the upper wall portion of the vehicle body frame, and includes a support portion that abuts on the vehicle body frame so that the tip side supports the vehicle body frame. The mounting frame according to claim 1, wherein the support portion is arranged so as to penetrate from the upper wall portion to the lower wall portion of the vehicle body frame, and the vicinity of the tip portion is fixed to the lower wall portion of the vehicle body frame. .. The mounting frame according to claim 2, wherein the support portion is arranged so as to penetrate an intermediate region separated from the side wall portion of the vehicle body frame in the vehicle width direction. The mounting frame according to any one of claims 1 to 3, wherein the support portion is arranged corresponding to a cross member fixed to the vehicle body frame. The mounting frame according to any one of claims 1 to 4, wherein the support portion is arranged so as to extend downward from the mounting frame main body so as to be inclined toward the vehicle side. The vehicle body frame is a pair of vehicle body frames arranged apart from each other in the vehicle width direction.
The support portions are a pair of support portions that are arranged corresponding to the pair of vehicle body frames and penetrate from the upper wall portion to the lower wall portion of the pair of vehicle body frames.
The mounting frame according to any one of claims 1 to 5, further comprising a connecting portion which is arranged so as to extend in the vehicle width direction and whose both ends are connected to the tip portions of the pair of supporting portions. The mounting frame according to any one of claims 1 to 6 and
A mounting structure of a mounting frame including a vehicle body frame to which the mounting frame is mounted.

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