JPH0752792Y2 - Mounting device for lower tilt of truck tilt and lower hinge - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention is one in which one hinge piece of a tilt lower hinge is slidably fitted to the tilt in the longitudinal direction of the tilt and the tilt and the hinge piece are joined together. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an attachment device and a lower hinge for a tilting lower hinge for a truck which are fixed by wedge pieces.

(Prior Art) Conventionally, a hinge of a truck tilt is as shown in FIG.
Axial hole 19 that is installed at the bottom of the tilt 18 and the body of the truck
The hinge shaft 23 was inserted into and fixed to the upper shaft hole 22 of the hinge piece 21 fixed to 20.

As another structure, as shown in FIG. 7, the upper part of the upper hinge piece 24 is fixed to the lower part of the tilt 18 with bolts 25, and is fixed to the lower shaft hole of the upper hinge piece 24 and the body 20 of the truck. The hinge shaft 23 was inserted into the upper shaft hole of the lower hinge piece 26.

(Problems to be solved by the invention) In the conventional hinge, when the hinge shaft is inserted into the shaft hole laterally provided at the lower end of the tilt and the upper shaft hole of the hinge piece fixed to the track (Fig. 6). Requires insertion of a notch groove in the tilt in order to insert the upper shaft hole of the hinge piece.Since this notch dimension requires high accuracy, it may not only make field work difficult but also If the lower part of the hinge is deformed to some extent, the hinge shaft may not be inserted.

Also, in the structure in which the upper hinge piece is bolted (Fig. 7), the bolt head is exposed on the outer side surface of the tilt, which is not only unsightly in appearance but also the accuracy of the bolt hole such as alignment with the lower hinge piece. It was required, and it was not always easy and easy on the job.

(Means for Solving the Problem) However, in this invention, the upper hinge piece is slidably engaged with the lower end surface of the tilt in the fitting groove opened along the length in the longitudinal direction of the tilt. Since it is fixed by the rear wedge piece, there are almost no positional restrictions, and there is no fear of impairing the appearance of the tilt, and the above conventional problems are solved.

That is, this invention provides a fitting groove that opens along the longitudinal direction on the lower end surface of the tilt, and becomes unconstrained in the longitudinal direction of the tilt within the fitting groove, and is restrained in the vertical direction of the tilt. Hinges common to the shaft hole formed by fitting the upper part of the upper hinge piece, which is formed in the lower part of the upper hinge piece in alignment with the longitudinal direction of the tilt, and the upper shaft hole of the lower hinge piece fixed to the side of the truck body. While inserting the shaft, at least one upper end surface of the upper hinge piece is provided with a wedge groove in its longitudinal direction, and the wedge piece is inserted into the wedge groove to fix the tilt and the upper hinge piece. This is a device for attaching a tilt lower hinge for a truck, which is characterized in that:

Another invention is to provide a lower end surface of the tilt with an upper part that can be slidably fitted along the longitudinal direction of the tilt in a fitting groove opened along the longitudinal direction of the tilt and a shaft hole in the longitudinal direction. The lower part of the upper hinge piece consisting of the lower part and the upper part of the lower hinge piece that can be fixed to the truck body are rotatably supported, and the upper end surface of the upper hinge piece has a lower part that is tilted in the longitudinal direction. A tilt lower hinge for a track, wherein a wedge groove for fitting a wedge piece for fixing the upper hinge piece is provided.

In the above, on the lower end surface of the tilt, on the vertical inner wall of the fitting groove opened along the longitudinal direction, two upper and lower protrusions are provided at predetermined intervals in the lateral direction, and on the front and rear vertical outer walls of the upper part of the upper hinge piece,
A lateral ridge that fits between the upper and lower ridges is provided.

The material of the upper hinge piece is the same as or strong and light metal such as the tilting material, or synthetic resin. The wedge piece can also be made of the same material as the hinge piece. The upper part of the upper hinge piece is slightly deformed by inserting the wedge piece, and the upper hinge piece is fixed to the lower part of the tilt.

(Operation) This invention fixes the tilt and the upper hinge by inserting the upper part of the upper hinge piece slidably into the lower end of the tilt and adjusting the tilt position, and then inserting the wedge piece into the wedge groove. can do.

Deform the wedge groove of the upper hinge piece by driving the wedge piece,
The upper part of the upper hinge piece is tightly fitted and fixed in the mating groove of the tilt.

(Embodiment 1) The present invention will be described with reference to the embodiment shown in FIGS. 1 to 3. A fitting groove 2 is provided at the lower end of the tilt 1 along the longitudinal direction, and the lower end surface is opened to form the fitting groove. Two ridges 3a, 3b, 3c, 3d are provided at predetermined upper and lower intervals facing the vertical inner wall. On the other hand, a fitting projection 5 that can fit into the fitting groove 2 is provided at the upper end of the upper hinge piece 4 along its entire length, and the upper end surface of the fitting projection 5 has a central portion along the longitudinal direction. A wedge groove 6 is provided over the entire length of the lever, and the outer wall parallel to the long side of the fitting protrusion 5 is fitted between the protrusions 3a, 3b and 3c, 3d of the fitting groove 2. Protrusions 7a and 7b are provided, and grooves 8a and 8b are provided at the central portions of the protrusions 7a and 7b.

The fitting protrusion 5 of the upper hinge piece 4 is fitted into the fitting groove 2 of the tilt 1.
Is slidably fitted. Next, the shaft hole 10 provided in the lower part of the upper hinge piece 4 and the lower hinge piece 12 fixed to the body 11 of the truck.
A hinge shaft (14) is inserted into a shaft hole (13) provided in the upper part of the. That is, the upper hinge piece 4 is not constrained from sliding in the longitudinal direction of the tilt 1 (arrow 27 in FIG. 2), but after adjusting the tilt position, the wedge piece 9 is driven into the wedge groove 6 and the wedge groove 6 is moved. Is deformed to restrain the tilt and the upper hinge piece 4. On the other hand, the vertical direction of the tilt 1 is restrained by the ridges 3a, 3b and 3c, 3d and the ridges 7a, 7b.

(Embodiment 2) In the embodiment shown in FIGS. 4 and 5, the width of the upper hinge piece 4 of the embodiment shown in FIG. 1 is made substantially equal to the width of the lower hinge piece 12,
A lower hinge mounting device (FIG. 4) in which a shaft hole 15 is provided in the center and a hinge shaft 14 is inserted into the shaft hole 10, and shaft holes 16 and 16a are provided at both ends of the upper hinge piece 4. The lower hinge attaching device (FIG. 5) in which the shaft hole portion 17 of the lower hinge piece 12 is provided therebetween and the hinge shaft 14 is inserted therethrough, there is no essential difference.

(Effect of the Invention) The device of the present invention is provided with a fitting groove opened along the longitudinal direction on the lower end surface of the tilt, and the fitting groove is unconstrained in the longitudinal direction of the tilt and the upper and lower sides of the tilt. The upper part of the upper hinge piece that is in a restrained state in the direction is fitted, and the shaft hole formed in the lower part of the upper hinge piece in alignment with the longitudinal direction of the tilt and the upper shaft of the lower hinge piece fixed to the side surface of the truck body. A common hinge shaft is inserted into the hole, and at least one upper end surface of the upper hinge piece is provided with a wedge groove in its longitudinal direction, and the wedge piece is inserted into the wedge groove to insert the wedge piece into the upper and lower portions. The structure of the attachment mechanism for the lower hinge of the truck is characterized in that the hinge piece is fixed, so the hinge position is extremely easy to set during the tilt attachment, and no bolts or the like are used to attach the upper hinge piece. Therefore, installation work is simplified, It has the effects of improving the appearance and simplifying the mounting structure, and because the upper part of the upper hinge piece is fitted in the fitting groove that opens along the lower end surface of the tilt, there is no dust, There are various effects such as the possibility that sediment and rainwater will not accumulate. Further, since the wedge piece is inserted into the wedge groove provided at the upper end portion of at least one upper hinge piece and the upper portion of the upper hinge piece and the mounting portion of the tilt portion are pressed and fixed, alignment with the bolt hole of the tilt portion. Since there is no such work, the work can be simplified, and since the bolt head is not exposed, there is an effect that the appearance of the tilt is not spoiled.

Next, on the vertical wall of the fitting groove opened along the longitudinal direction on the lower end surface of the tilt, two ridges are provided at predetermined intervals in the lateral direction,
The upper and lower vertical walls on the upper part of the upper hinge piece were provided with lateral ridges that fit between the upper and lower ridges, so if you insert the upper part of the upper hinge piece into the lower fitting groove of the tilt , It has the effect of vertically restraining the upper hinge piece.

[Brief description of drawings]

FIG. 1 is a partial sectional view of an embodiment of the present invention, FIG. 2 is a front view thereof, and FIG. 3 is a perspective view of an upper hinge piece, a part of a fitting groove portion of an tilt and a wedge piece, and FIG. Is a front view of another embodiment, FIG. 5 is a front view of another embodiment, FIG. 6 is a front view of a conventional mounting device, and FIG. 7 is a cross-sectional view of another conventional mounting device. 1 ... Orientation, 2 ... Fitting groove, 4 ... Upper hinge piece 5 ... Fitting protrusion, 6 ... Wedge groove, 9 ... Wedge piece 12 ... Lower hinge piece, 14 ... Hinge shaft

Claims (3)

[Scope of utility model registration request] 1. A lower end surface of the tilt is provided with a fitting groove opened along the longitudinal direction thereof, and the fitting groove is unconstrained in the longitudinal direction of the tilt and constrained in the vertical direction of the tilt. Fit the upper part of the upper hinge piece, and to the lower part of the upper hinge piece,
A common hinge shaft is inserted into an axial hole formed along the longitudinal direction of the tilt and an upper axial hole of a lower hinge piece fixed to the side surface of the truck body, and at least one upper end surface of the upper hinge piece is inserted. A mounting device for a tilt lower hinge for a track, wherein a wedge groove is provided in a longitudinal direction thereof, and a wedge piece is fitted into the wedge groove to fix the tilt and the upper hinge piece. 2. An upper part which is slidably fitted in the longitudinal direction of the tilt and a shaft hole in the longitudinal direction are provided on a lower end surface of the tilt in a fitting groove opened along the longitudinal direction thereof. The lower part of the upper hinge piece consisting of the lower part and the upper part of the lower hinge piece that can be fixed to the truck body are rotatably supported, and on the upper end surface of the upper hinge piece, the lower part of the tilt in the longitudinal direction and the upper part. A tilt lower hinge for a truck, which is provided with a wedge groove for inserting a wedge piece for fixing the hinge piece. 3. A longitudinal inner wall of a fitting groove opened along the longitudinal direction at the lower end surface of the tilt, two upper and lower projections are provided at predetermined intervals in the lateral direction, and front and rear vertical outer walls of the upper part of the upper hinge piece. 3. The lower tilt hinge for a truck according to claim 2, further comprising a lateral protrusion that is fitted between the upper and lower protrusions.