JP2021008233A - U-bolt movement regulation device - Google Patents

Abstract

To provide a U-bolt movement regulation device that is able to restrict interference of a U-bolt with a rope-like part.SOLUTION: A U-bolt movement regulation device 21 comprises: a bracket 8 provided on a vehicle body frame 1 in order to support a part; and a guide portion 22 provided on the bracket 8 and configured to guide a U-bolt 20 inserted in a fastening position P.SELECTED DRAWING: Figure 5

Description

The present disclosure relates to a U-bolt movement control device that regulates the movement of U-bolts.

A frame (for example, vertical joists) may be fastened to a side member of the vehicle body frame with U bolts.

For example, when a vertical joist extending parallel to this is fastened to a side member with a U-bolt, the foot of the U-bolt is inserted into a position (fastening position) along the left and right sides of the vehicle body frame and the vertical joist, and is formed on these feet. A plate is hung between the male screw parts, and a nut is screwed into each male screw part and tightened to fasten the vehicle body frame and the vertical joist.

Japanese Unexamined Patent Publication No. 11-07827 JP-A-2017-159693

By the way, the erection is attached to the body frame of the almost completed vehicle. For this reason, cable-like parts such as brake cables, harnesses, and pipes are stretched around the fastening position. In addition, it must be avoided that the U bolt interferes with parts such as cord-shaped parts.

However, the work of inserting the U bolt into the fastening position is performed manually. Further, the U-bolt being inserted into the fastening position moves or tilts in the longitudinal direction of the vehicle body frame (for example, a side member) to be fastened. Therefore, the U-bolt being inserted into the fastening position may interfere with parts such as cord-shaped parts.

Therefore, the present disclosure was conceived in view of such circumstances, and an object thereof is to provide a U-bolt movement control device capable of suppressing interference of U-bolts with parts.

According to one aspect of the present disclosure, it is a U-bolt movement regulating device for regulating the movement of the U-bolt that fastens the object to be fastened to the vehicle body frame.
Brackets provided on the body frame to support the parts,
A guide portion provided on the bracket and guiding the U bolt to be inserted into a preset fastening position,
A U-bolt movement control device is provided.

Preferably, the guide portion includes a U-shaped hook portion.

Preferably, the hook is formed so that its opening faces the vehicle body frame.

Preferably, the bracket comprises a part support that supports the cord-like part.

According to the above aspect, the interference of the U bolt with respect to the part can be suppressed.

It is a schematic top view of the vehicle body frame which concerns on one Embodiment of this disclosure. It is a view of arrow AA of FIG. FIG. 2 is a view taken along the line BB of FIG. FIG. 3 is a cross-sectional view taken along the line CC of FIG. It is an enlarged perspective view of the U-bolt movement regulation device. It is a front sectional view of the vehicle body frame which shows the other embodiment. It is a side view of the U-bolt movement regulation apparatus which shows the other embodiment.

Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. In addition, each direction of front-rear, left-right, up-down in the embodiment described later means each direction of the vehicle. However, each direction in the present embodiment is used for convenience of explanation, and represents a relative positional relationship between the members described later.

FIG. 1 is a schematic top view of the vehicle body frame. As shown in FIG. 1, the vehicle body frame 1 is composed of a ladder frame. The vehicle body frame 1 includes a pair of left and right side members 2R and 2L extending in the front-rear direction, and a plurality of cross members 3a, 3b, 3c, 3d, and 3e provided so as to span between the side members 2R and 2L.

As shown in FIGS. 2, 3 and 4, rope-shaped parts 7 such as a brake cable 4, a harness 5, and a pipe 6 are stretched around the side member 2R. For example, in the present embodiment, the brake cable 4, the harness 5, and the pipe 6 are arranged between the left and right side members 2R and 2L at positions along the right side member 2R. Further, the brake cable 4 is supported by a bracket 8 provided on the right side member 2R. The side members 2R and 2L at the position of the bracket 8 in the front-rear direction are formed in a closed cross section. Reference numeral 30 in the drawing is a groove formed on the left side surface of the side member 2R. The groove 30 is for accommodating the harness 5, and the position of the lateral extension portion 13, which will be described later, is the rear end. The groove 30 is formed so as to gradually become shallower from the position of the hook portion 24 in the front-rear direction toward the rear end.

As shown in FIGS. 2, 3 and 5, the bracket 8 has a portion 10 to be welded to the inner side surface (left side surface) of the side member 2R in the vehicle width direction and a part support for supporting the cord-shaped part 7. A unit 11 is provided.

The fastened portion 10 is formed in a plate shape long in the front-rear direction. A first insertion hole 12 for inserting the fastener 9 is formed in the portion 10 to be fastened.

The parts support portion 11 is formed before being formed by extending inward (leftward) in the vehicle width direction from the fastened portion 10 and extending forward from the tip (left end) of the lateral extending portion 13. It includes an extension portion 14.

The lateral extension portion 13 is formed in a plate shape and extends to the left and horizontally from the lower edge of the front portion of the fastened portion 10. The front extension portion 14 is formed in a plate shape long in the front-rear direction, extends downward from the tip of the side extension portion 13, and extends forward. A second insertion hole 16 for inserting a fastener 15 such as a bolt or a rivet is formed at the front end portion of the front extension portion 14, and a protrusion 17 protruding to the left is in front of the second insertion hole 16. It is formed located at. The fastener 15 fastens the brake cable 4 to the front extension portion 14 via the fastener 18. The protrusion 17 regulates the rotation of the fastener 18 around the fastener 15.

By the way, in general, the erection (not shown except for the vertical joist 19 described later) is generally installed on the body frame 1 of the almost completed vehicle. Then, the vertical joists 19 (to be fastened) of the erection may be fastened to the side members 2R and 2L using U bolts 20. As shown in FIGS. 2, 3 and 4, the U-bolt 20 has a pair of foot portions 20a extending in parallel, a male screw portion 20b formed at one end (tip portion) of the foot portion 20a, and a foot portion 20a. It is provided with a folded-back portion 20c for connecting between the other ends of the above. The distance a between the foot portions 20a is slightly larger than the larger of the left-right dimensions of the side member 2R and the vertical joist 19 (the left-right dimension of the side member 2R in the present embodiment). Set. Further, the length L of the foot portion 20a is set to be longer than the height H in which the side member 2R and the vertical joist 19 are overlapped in the vertical direction.

When the side member 2R and the vertical joist 19 are fastened with the U bolt 20, the U bolt 20 is manually inserted into the preset fastening position P from below the side members 2R and 2L or above the vertical joist 19. The fastening position P is a position substantially along the left and right side surfaces of the side members 2R and 2L and the vertical joist 19. At this time, a plurality of cord-shaped parts 7 are stretched around the vehicle body frame 1. Therefore, when the U bolt 20 is inserted into the fastening position P, the U bolt 20 must be moved so as to sew between the cord-shaped parts 7, and the U bolt 20 may interfere with the cord-shaped part 7. Therefore, in the present embodiment, the U-bolt movement regulating device 21 that regulates the movement of the U-bolt 20 while being inserted into the fastening position P is provided.

As shown in FIGS. 2, 3 and 5, the U-bolt movement regulating device 21 has the above-mentioned bracket 8 and a guide portion 22 provided on the bracket 8 and guiding the U-bolt 20 inserted into the fastening position P. Be prepared. As described above, the bracket 8 is originally provided on the side member 2R to support the brake cable 4, but in the present embodiment, the bracket 8 is also used for guiding the U bolt 20. The bracket 8 may be close to the fastening position P. For example, when the fastening position P is closer to the cross member 3d than the side member 2R, the bracket 8 may be provided on the vehicle body frame 1 at another position such as the cross member 3d.

The guide portion 22 includes an arm portion 23 extending forward from the fastened portion 10 and a hook portion 24 provided at the front end of the arm portion 23. The arm portion 23 is formed in a plate shape. The hook portion 24 is formed in a U shape. Specifically, the hook portion 24 is formed in a U shape by bending a plate material in the plate thickness direction. The hook portion 24 includes a rear wall portion 25 extending to the left from the tip of the arm portion 23, a side wall portion 26 extending forward from the tip (left end) of the rear wall portion 25, and a right side from the tip (front end) of the side wall portion 26. It is provided with a front wall portion 27 extending to. The space S surrounded by the rear wall portion 25, the side wall portion 26, and the front wall portion 27 is formed to have a size through which the U bolt 20 can be inserted. Further, the hook portion 24 is formed so that its opening 24a faces the side member 2R. Further, the position of the hook portion 24 in the front-rear direction is set to be the same as that of the second insertion hole 16. As a result, the U bolt 20 and the brake cable 4 can be separated from each other in the left-right direction at the same position in the front-rear direction, and it is possible to prevent the U-bolt 20 being inserted into the fastening position P from interfering with the brake cable. ..

Next, the operation of this embodiment will be described.

When installing the erection on the body frame 1 of the almost completed vehicle, first, the erection is placed on the body frame 1. At this time, different vertical joists 19 are placed on the left and right side members 2R and 2L, and the mounting is arranged so that these vertical joists 19 are along the side members 2R and 2L.

After that, the U bolt 20 is inserted from below into the preset fastening position P. At this time, the bracket 8 is already attached to the side member 2R, and the hook portion 24 of the guide portion 22 is arranged so as to surround the fastening position P from the front, the rear, and the left. Then, the opening 24a is closed by the side member 2R, so that the space S of the hook portion 24 is like a hole. Therefore, the hook portion 24 functions as a mark, and the work of inserting the U bolt 20 into the fastening position P can be easily performed.

Then, the tip portion (male screw portion 20b) of the U bolt 20 is inserted into the space S surrounded by the rear wall portion 25, the side wall portion 26, and the front wall portion 27, so that the movement of the U bolt 20 in the front-rear and left-right directions is restricted. Will be done. Therefore, it is suppressed that the U bolt 20 after being inserted into the space S interferes with the surrounding cord-shaped parts 7.

For example, in the present embodiment, the harness 5 is arranged behind the fastening position P, and the pipe 6 is arranged in front of the fastening position P. A brake cable 4 is arranged on the left side of the fastening position P. Further, the positions of the brake cable 4, the harness 5, and the pipe 6 are slightly different depending on the vehicle. Therefore, when the U-bolt movement regulating device according to the present embodiment does not exist, the U-bolt 20 being inserted into the fastening position P interferes with any of the brake cable 4, the harness 5, and the pipe 6. There was a possibility of doing.

However, in the present embodiment, the rearward movement of the U-bolt 20 is regulated by the rear wall portion 25, and the forward movement of the U-bolt 20 is regulated by the front wall portion 27. Then, the movement of the U bolt 20 to the left is regulated by the side wall portion 26. Therefore, the U bolt 20 is restricted from moving backward, forward, and left by being inserted into the space S, and is prevented from interfering with the brake cable 4, the harness 5, and the pipe 6.

After that, the plate 28 is hung between the male threaded portions 20b, and the nut 29 is screwed into each male threaded portion 20b and tightened. As a result, the side member 2R and the vertical joist 19 are fastened.

In this way, the U-bolt movement regulating device 21 is provided with a bracket 8 provided on the vehicle body frame 1 to support the cord-shaped part 7, and a guide portion provided on the bracket 8 to guide the U-bolt 20 inserted into the fastening position P. 22 and. Therefore, the movement of the U-bolt 20 can be regulated, and the U-bolt movement regulating device 21 can be manufactured at low cost by using the bracket 8 for supporting the parts. Then, by providing the bracket 8 on the side member 2R, the U-bolt movement regulating device 21 is provided on the side member 2R, and the U-bolt movement regulating device 21 can be provided on the side member 2R without increasing the assembly man-hours. ..

Further, since the guide portion 22 includes the U-shaped hook portion 24, it is possible to restrict the movement of the U bolt 20 to three directions (front, rear, and left in the present embodiment) with a simple structure.

Further, since the hook portion 24 is formed so that the opening 24a faces the vehicle body frame 1, the opening 24a can be closed by the vehicle body frame 1. As a result, it is possible to prevent the foot portion 20a from protruding from between the hook portion 24 and the vehicle body frame 1 and being displaced. Since the vehicle body frame 1 is used as a part of the guide, the hook portion 24 can be formed into a simple shape, and the hook portion 24 can be formed easily and inexpensively.

Although the embodiments of the present disclosure have been described in detail above, the present disclosure may also include the following other embodiments.

(1) The bracket 8 is welded to the side member 2R, but the present invention is not limited to this. For example, the bracket 8 may be fastened to the side member 2R with a fastener 9 such as a bolt or a rivet, or may be provided to the side member 2R by other means.

(2) The U-bolt movement regulating device 21 is provided on the right side member 2R, but is not limited to this. For example, when the cord-shaped part 7 is stretched around the left side member 2L, the U-bolt movement restricting device 21 may be provided on the left side member 2L.

(3) The hook portion 24 is provided at the front end of the arm portion 23, but the present invention is not limited to this. For example, the arm portion 23 may be omitted, and the hook portion 24 may be provided at the front end of the fastened portion 10. Further, the hook portion 24 may be provided at any position of the bracket 8.

(4) The hook portion 24 is formed in a U shape, but the present invention is not limited to this. For example, when the cord-shaped part 7 is not arranged in front of the fastening position P, the hook portion 24 may be formed in an L shape in which the front wall portion 27 is omitted. Further, when the cord-shaped parts 7 are not arranged in front of and to the left of the fastening position P, the hook portion 24 may be composed of only the rear wall portion 25.

(5) The opening of the hook portion 24 is intended to be directed toward the vehicle body frame 1, but is not limited to this. The opening of the hook portion 24 may be directed in any direction. However, if the opening is directed in the direction in which the cord-shaped part 7 exists, the U bolt 20 may interfere with the cord-shaped part 7, so that the hook portion is in the direction in which the cord-shaped part 7 exists. It is preferable that the 24 openings are not oriented.

(6) The bracket 8 supports the brake cable 4, but is not limited to this. The bracket 8 may support a cord-shaped part 7 other than the brake cable 4, or may support other parts (not shown) other than the cord-shaped part 7.

(7) The vertical joists 19 of the erection are assumed to be fastened to the vehicle body frame 1 (side members 2R, 2L) with U bolts 20 as objects to be fastened, but the present invention is not limited to this. The object to be fastened may be made of a member other than the vertical joist 19.

(8) As shown in FIG. 6, the object to be fastened may be composed of a member 31 (tank or the like) other than the vertical joist 19 or may be arranged below the vehicle body frame 1. Further, it goes without saying that an inclusion (not shown) such as a cushioning material may be interposed between the vehicle body frame 1 and the object to be fastened.

1: Body frame 8: Bracket 11: Parts support 19: Vertical joists (to be fastened)
20: U bolt 21: U bolt movement regulation device 22: Guide part 24: Hook part P: Fastening position

Claims (4)

It is a U-bolt movement regulation device for regulating the movement of U-bolts that fasten the object to be fastened to the vehicle body frame.
Brackets provided on the body frame to support the parts,
A guide portion provided on the bracket and guiding the U bolt to be inserted into a preset fastening position,
A U-bolt movement control device characterized by being equipped with. The U-bolt movement regulating device according to claim 1, wherein the guide portion includes a U-shaped hook portion. The U-bolt movement regulating device according to claim 2, wherein the hook portion is formed so that its opening is directed toward the vehicle body frame. The U-bolt movement regulating device according to any one of claims 1 to 3, wherein the bracket includes a part support portion that supports a cord-shaped part.

Images