JPS6138859Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an improvement in the cab of a truck.

Traditionally, the cab of this type of truck has been constructed from a plurality of press-formed panels that fit each part of the cab, and these panels have been assembled by welding, bolting, etc. .

In cabs that are assembled in this way, there are many cases where the front side parts, in other words, the front corner panels, are often bolted together for the convenience of sheet metal repair or replacement. When tightening, if the bolts were tightened directly from the outside, the appearance of the cab would be damaged and there was a risk that rainwater could enter the cab through the bolt holes.

In addition, in recent years, a bracket is integrally attached to the inside of the front corner panel so that the head of the bolt is not exposed on the surface of the front corner panel, and the bolt is passed through the bracket and tightened to the body side. However, the front corner panels installed in this way were difficult to position, making the assembly process more complicated.

The purpose of this invention is to improve the efficiency of cab assembly work by making it easier to position the front corner panel, and to prevent the bolts that attach the front corner panel from being exposed on the surface of the cab. To provide a cab for a truck that prevents the appearance from being damaged.

In order to solve these problems, the truck cab of this invention has a guide groove formed, and downwardly inclined surfaces are formed on both ends of the bottom wall of the guide groove so as to raise the central part of the bottom wall of the guide groove. death,
The retainer head has a bead protruding from one side wall of the guide groove, and a threaded portion protruding from the seat surface of the retainer head and integrally formed with the retainer head. A retainer is attached to an appropriate position on both sides of the front of the body by tightening a nut at the front of the body, a stopper groove is opened downward and is fitted into a guide groove of the retainer, and a stopper groove is arranged downwardly from both sides of the lower end of the stopper groove. Place the bracket at an appropriate position on the back of the panel, with a notch formed of a pair of slanted contact surfaces that are widened and continuously formed and aligned with the downward slanted surface of the guide groove, and a bead socket that receives the bead. and front corner panels attached to both sides of the front of the body at appropriate positions in the opening direction of the notch.

Hereinafter, preferred specific examples of the truck cab according to this invention will be described with reference to the drawings.

1 to 6 show ten specific examples of the cab of the truck of this invention.

The cab 10 of the truck is of a cab-over type, and includes a plurality of panels press-formed from thin steel plates to fit each part of the cab 10, namely, an underbody 11, a front 12, and a side 13. , a back 14, a roof 15, and a door 16 incorporated in the side 13 thereof, and further includes a retainer 20 attached to an appropriate position on both sides of the front of the body, and the retainer 20 and screws (not shown). and front corner panels 30 attached to both sides of the front of the body.

The front 12 is almost body 6 except for both sides.
A front panel 17 is bolted to the body 60 so as to cover the lower front of the 0, and a front corner panel 17 is bolted to the body 60 to cover both sides of the front panel 17.
The retainer 20 is used to attach the front corner panel 30 to the body 60.

The retainer 20 forms a guide groove 22,
In order to raise the center portion of the bottom wall 22a of the guide groove 22, downwardly inclined surfaces 22b, 22b are formed at both end portions of the bottom wall 22a of the guide groove 22, and one side wall of the guide groove 22 is formed with downwardly inclined surfaces 22b, 22b. The retainer head 21 has a bead 23 protruding from the retainer head 28, and a threaded portion 24 that is integrally formed with the retainer head 21 and protrudes from the seat surface of the retainer head 21. - The panel 30 is opened downward,
In addition, a stopper groove 50 that is fitted into the guide groove 22 of the retainer 20 and a downwardly inclined surface 2 of the guide groove 22 are continuously formed by sequentially widening downward from both sides of the lower end of the stopper groove 50.
A pair of inclined contact surfaces 5 matched with 2b and 22b
1, 51, and a bracket 31 formed with a bead socket 33 for receiving the bead 23, is provided at an appropriate position on the back surface of the panel, and a bracket 31 is provided at an appropriate position in the direction in which the notch 32 is opened. It is designed to be installed on both sides of the front.

The front corner panel 30 is press-formed from a thin steel plate so that it can fit on both sides of the front panel 12, and a recess 34 is formed in the lower part for attaching the rim 41 of the head lamp 40. .

The rim 41 of the head lamp 40 is connected to the front corner panel 30 and the front panel 17.
Since the recess 34 formed in the front corner panel 30 is formed so as to extend toward the front panel 17 in its upper portion, Bolt hole 3 is located close to
5 is formed.

Further, at the lower end of the front corner panel 30, a mounting flange 36 is integrally projected downward at a position inside the surface thereof, and a bolt hole 37 is formed in the flange 36.

Furthermore, a bracket 31 is attached to the upper end of the back surface of the front corner panel 30.

The bracket 31 is attached to the front corner panel 3 as shown in FIGS.
It is folded to match the top edge of the back of the 0 panel,
One of the front corner panels 30, that is, the portion located on the door 16 side, is press-formed from a steel plate so as to slightly protrude laterally from the upper end of the front corner panel 30.

A bolt hole 38 is formed in the protruding portion of the bracket 31, and a notch 32 and a bead socket 33 are formed at positions opposite to the bolt hole 38, respectively.

The notch 32 is formed by cutting out the lower end of the bracket 31, and is formed continuously with a stopper groove 50 which is approximately semicircular and opens downward, and which gradually widens downward from both sides of the lower end of the groove 50. A pair of inclined contact surfaces 51, 51 are formed.

Also, the bead socket 33 has its notch 3
It is formed by recessing the slightly upper part of 2.

Of course, the bolt hole 3 formed in this way
8. The notch 32 and bead socket 33 are
When the bracket 31 is press-molded, it is simultaneously formed by punching or the like.

Furthermore, the above-mentioned bead socket 33 is not limited to a recess, but may be formed as a hole.

The bracket 31 thus formed is
It is attached to the upper end of the back surface of the front corner panel 30.

That is, its front corner panel 30
The top edge of is folded back to the back side of the panel in advance,
The bracket 31 is attached to the front corner panel 30 by inserting the upper end of the bracket 31 into the folded portion and then welding at that portion.

As shown in FIGS. 4 to 6, the retainer 20 includes a retainer head 21 and a threaded portion 2 integrally formed in the retainer head 21.
4, a ring groove 29 formed in the seat surface of the retainer head 21 around the threaded part 24, a seal ring 26 fitted in the ring groove 29, and a threaded connection to the threaded part 24. It is made up of a nut 27.

The retainer head 21 is integrally molded from synthetic resin with the head 25 of the threaded portion 24, and forms a guide groove 22 that allows insertion from above to below. That is, the guide groove 22 is
Bracket 31 of front corner panel 30
It is formed in a shape corresponding to the stopper groove 50 and the inclined contact surfaces 51, 51 of the notch 32 so that it can be fitted into the notch 32 formed in the notch 32. Lower inclined surfaces 22b, 22b are formed at both end portions of the wall, respectively, and the center portion of the bottom wall 22a is raised.

Moreover, in the upper part of the guide groove 22,
A bead 23 is formed to protrude from the side wall 28 of the guide groove 22 on the outer side. Of course, the bead 23 is projected to be received in a bead socket 33 formed in the bracket 31 of the front corner panel 30.

Further, the ring groove 29 opened in the seat surface of the retainer head 21 is formed as an O-ring groove,
Also, the seal ring 26 fitted into the O-ring groove 29 is an O-ring, and the nut 27
When the retainer head 21 is tightened to the threaded portion 24 passing through the mounting hole 61 of the body 60, the space between the retainer head 21 and the body 60 is sealed. It also alleviates the stress concentration that occurs in the mounting hole 61 due to the direction of the threaded portion 24, and furthermore, the door 16, front panel 1
7 and the front corner panel 17.

Next, the procedure for attaching the front corner panel 30 to the body 60 using the retainer 20 will be described.
is welded to the body 60 side, and since the body 60 has a pre-drilled mounting hole 61 for the threaded portion 24 of the retainer 20, first attach the retainer 20 to the front corner panel 30. Temporarily fasten the temporarily fastened front corner.
The panel 30 is placed on both front sides of the body 60, that is,
Attach each to the front corner.

When the retainer 20 is temporarily fastened to the front corner panel 30, the central portion of the guide groove 22 is aligned with the lower inclined surfaces 22b, 22b of the guide groove 22 and the slope of the notch 32. When the guide groove 22 is guided by the contact surfaces 51, 51 and easily fitted into the stopper groove 50, and the central portion of the guide groove 22 is fitted into the stopper groove 50,
Shaking or rocking of the retainer 20 relative to the front corner panel 30 is prevented.

Furthermore, in detail, the O-ring 26 made of silicone rubber is placed in the O-ring groove 29 of the retainer head 21 in advance, and
4, then hook the notch 32 into the guide groove 22, fit the bead 23 into the bead socket 33 like a snap, and place the retainer 20 fitted with the O-ring 26 at the front corner.
Temporarily fasten it to the panel 30.

Threaded portion 24 of the temporarily fixed retainer 20
through the mounting hole 61, and while positioning the front corner panel 30 with respect to the body 60,
A nut 27 is tightened on the threaded portion 24 to fix the retainer 20 to the body 60.

In this way, if the front corner panel 30 is attached to the body 60 while being suspended from the retainer 20, the front corner panel 3
Since the bolt holes 35, 37, and 38 of 0 are aligned with the corresponding screw holes (not shown) of the body 60,
Insert screws (not shown) into the screw holes on the body 60 side so that they pass through the bolt holes 35, 37, and 38, respectively.
to fix the front corner panel 30 to the body 60.

In that way, front corner panel 3
0 is accurately and easily fixed to the body 60 in a proper positional relationship adjacent to the front panel 17.

A bolt (not shown) passed through the bolt hole 35 of the front corner panel 30 is attached to the rim 41 of the head lamp 40 to be attached later.
hidden by

Furthermore, the lower end of the front corner panel 30 attached in this manner is provided with a skirt.
A panel 62 is bolted and a step boat 63 is attached to the top surface of the skirt panel 62.

If this front corner panel 30 is damaged, it can be passed through the bolt holes 35, 37, 38,
The notch 32 is removed from the guide groove 22 by loosening and removing the screw tightened in the screw hole of the body 60 and pulling it up, and the front corner panel 30 is removed from the body 60. As such, the damaged front corner panel 30
is removed, insert the notch 32 into the guide groove 2.
2, and hook the new front corner panel 30 onto the retainer 20. At this time, the front corner panel 30 is attached to the body 60.
is positioned against. Thereafter, the front corner panel 30 is fixed to the body 60 according to the procedure described above.

As such, the front corner panel 30 described above makes replacement operations simple and easy.

In addition, in the cab 10 of this invention, the structural parts other than the front 12, that is, the underbody 11, the sides 13, the back 14, the roof 15, and the door 16, are similar in structure to the conventional ones. Explanation will be omitted.

According to this invention, the retainer forms a guide groove, and downwardly inclined surfaces are formed at both end portions of the bottom wall of the guide groove so as to raise the center portion of the bottom wall of the guide groove, The retainer head has a bead protruding from one side wall of the guide groove, and a threaded portion protruding from the seat surface of the retainer head and integrally formed with the retainer head. The front corner panel is opened downward, and the stopper groove that fits into the guide groove of the retainer and the lower end of the stopper groove are attached at appropriate positions on both sides of the front of the body. A bracket is attached to the back of the panel, which is formed by a pair of slanted contact surfaces that are successively widened downward from both sides and is aligned with the downward slanted surface of the guide groove, and a bead socket that receives the bead. have it in an appropriate position,
They are attached to both sides of the front of the body at appropriate positions in the opening direction of the notch, so by fitting the guide groove into the notch, the bead
By fitting the bead into the socket, the retainer can be temporarily attached to the front corner panel, and during the temporary attachment, the guide groove is guided by the downwardly inclined surface and the inclined abutment surface. The retainer is easily fitted into the notch, and in the temporarily secured state, not only is the retainer prevented from rattling or rocking relative to the front corner panel, but also the retainer is easily fitted into the notch. The front corner panel is secured to the corner panel, and with the retainer temporarily secured in advance, the front corner panel can be fixed to the body side, and the front corner panel can be fixed to the body side. positioning becomes easier,
In addition, the assembly work of the front corner panel becomes easier, and the efficiency of the cab assembly work is improved accordingly, and the retainer can also be used when replacing a damaged front corner panel. Because it is fixed to the body side, the front corner panel can be easily replaced, and the bolts that attach the front corner panel are not exposed on the surface of the panel, giving it a beautiful appearance. It will be done.

[Brief explanation of the drawing]

Figure 1 is a side view showing a specific example of a truck cab according to this invention, and Figure 2 is a front corner and
FIG. 3 is a perspective view of the upper part of the front corner panel, FIG. 4 is a sectional view of the retainer, FIG. 5 is a sectional view taken along line 5-5 in FIG. 4, and FIG. FIG. 2 is a side view showing how the retainer and bracket are attached. 20... Retainer, 21... Retainer head, 22... Guide groove, 23... Bead, 30...
...front corner panel, 31...bracket, 32...notch, 33...bead socket.

Claims (1)

[Claims for Utility Model Registration] A guide groove is formed, and downwardly sloping surfaces are formed at both end portions of the bottom wall of the guide groove so that the center portion of the bottom wall of the guide groove is raised. It consists of a retainer head with a bead protruding from one side wall of the guide groove, and a threaded part that is protruded from the seat surface of the retainer head and formed integrally with the retainer head, and a nut can be inserted into the threaded part. A retainer is attached to an appropriate position on both sides of the front of the body, a stopper groove is opened downward and is fitted into a guide groove of the retainer, and a stopper groove is sequentially widened downward from both ends of the lower end of the stopper groove and is continuous. It has a notch formed on the back surface of the panel and has a pair of inclined abutting surfaces aligned with the downwardly inclined surface of the guide groove, and a bracket formed with a bead socket for receiving the bead at an appropriate position on the back surface of the panel. A cab for a truck comprising front corner panels respectively attached to both sides of the front of the body at appropriate positions in the opening direction of the notch.