JPH0132620Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention relates to improving the gates of trucks, open freight cars, etc.

[Prior Art] As shown in FIGS. 7 and 8, this kind of conventional gate has a hinge part c having a through hole b extending almost the entire length of the lower end of the gate main body a, and A structure is used in which at least both ends of the number part c are pivotally connected to a bracket e fixed to the side end of the loading platform floor frame d via a long pin f. (See Publication No. 57-103277).

[Problems to be solved by the invention] However, although the structure of this type of conventional hinge is simple, since the hinge part c and the bracket e are pivotally connected using a long pin, the dimensional accuracy of the parts is poor. - Requires processing precision, is troublesome to assemble, and requires a large work space for assembling, replacing, and repairing the gate.

[Means for solving the problem] This invention was made with the intention of solving the above problem, and as a means to solve the above technical problem, a substantially cross-section A hinge part that has no shape and has notches formed at appropriate intervals, and a protruding piece that protrudes from a base that is fixed to the side surface of the platform floor in a direction perpendicular to the protruding direction of this protruding piece. A hinge bracket having a protruding pivot pin, the upper side of which is fixed to the lower end of the gate body, and the lower side of which covers the upper part of the horizontal groove formed in the horizontal part of the hinge part [ a hinge cover having a shape, a protruding piece of the hinge bracket is inserted into the notch of the hinge part, and a pivot pin is fitted into the horizontal groove part,
In addition, the upper surface of the pivot pin is held by the lower side of the hinge cover to provide tilting for a truck or the like.

In this invention, the hinge cover is provided with a notch into which the protruding piece of the hinge bracket is inserted, if necessary, and the hinge bracket has a pair or one notch formed on the base that is fixed to the platform floor. A pivot pin is provided between the pair of protruding pieces, and a pivot pin is protruded from at least one side of one of the protruding pieces. Further, an arcuate portion for holding the upper surface of the pivot pin is formed on the lower side of the hinge cover as necessary.

[Effect] The above technical means works as follows.

Insert the protruding piece of the hinge bracket into the notch of the hinge, fit the pivot pin into the horizontal groove formed in the horizontal part of the hinge, and insert the upper surface of the pivot pin into the hinge. Since it is held at the bottom of the cover, the door can be easily assembled, replaced, or repaired even in a narrow work space, and it can be easily hinged at any position, improving productivity. be able to.

[Example] An example of this invention will be described below based on the drawings.

Fig. 1 is a sectional view showing the first embodiment of the gate of this invention, and Fig. 2 is an exploded perspective view thereof.
The hinge of this invention has a hinge portion 20 that hangs down from the outside of the lower end of the gate body 10 and has a substantially L-shaped cross section, and has notches 22 formed at appropriate intervals.
and a hinge bracket 30 having a pivot pin 36 protruding from a projecting piece 34 projecting from a base 32 fixed to the side surface of the loading platform floor 50 in a direction perpendicular to the projecting direction of the projecting piece 34; It is composed of a hinge cover 40 whose upper side is fixed to the lower end of the gate body 10 and has a substantially cross-sectional shape.

In this case, the above-mentioned tilting body 10 is constructed by stacking an upper rail 12, a plurality of middle rails 14, and a lower rail 16 made of, for example, an aluminum profile, and connecting bolts 18 passed through between the upper rail 12 and the lower rail 16 to form a laminated structure. It is composed of In this case, in FIG. 1, an engagement fitting 11 having a substantially square cross section is fixed to the upper end of the connecting bolt 18 by means such as welding, and this engagement fitting 11 is engaged with the locking portion 13 of the upper rail 12. However, it is not always necessary to use the engaging metal fitting 11. For example, as in the case of the lower rail 16, as shown in FIG.
may be engaged from the side opening of the upper rail 12. Note that the reference numeral 17 indicates the lower rail 16.
This cover is attached to the surface on the loading platform floor 50 side with rivets 19, and is provided for attaching the connecting bolts 18.

The hinge portion 20 has a substantially cross-section L that extends longitudinally and integrally to the outside of the lower end of the lower rail 16.
Notches 22 are formed at appropriate intervals in the longitudinal direction, and horizontal grooves 24 for holding pivot pins 36 provided on the hinge bracket 30 are provided in the horizontal portions. is formed.

The hinge bracket 30 is attached to a side rail 52 attached to a side end of the loading platform floor 50 by bolts 54.
A base 32 fixed with a
a pair of protruding pieces 34 protruding from 2; and a pivot pin 36 installed between these protruding pieces 34 in a direction perpendicular to the protruding direction of the protruding pieces 34 and protruding outward from the protruding pieces 34. It consists of When assembling the gate, the projecting piece 34 is inserted into the notch 22 of the hinge section 20, and the pivot pin 36 is fitted and held in the horizontal groove section 24 of the hinge section 20. It's getting old. Note that the protruding pieces 34 of the hinge bracket 30 do not necessarily have to be a pair; for example, as shown in FIG. 5, there may be one protruding piece 34 protruding from the base 32; in this case, It is sufficient that the pivot pin 36 is protruded from at least one side of the protrusion piece 34 in a direction perpendicular to the direction in which the protrusion piece 34 projects.

On the other hand, the hinge cover 40 is formed in a substantially cross-sectional shape, and has a lower side 44 and a lower side 44.
The notch 22 of the hinge portion 20 is located on the side 46 that is connected to the
The projecting piece 34 of the hinge bracket 30 coincides with the
A notch 48 is bored into which the material is inserted. and,
The upper side 42 is fixed to the lower end of the lower rail 16 with a fixing bolt 60, and the lower side 44
is arranged so as to cover the upper side of the horizontal concave portion 24 of the hinge portion 20 and to hold the upper surface of the pivot pin 36. In this case, the hinge cover 40
There is an upper locking claw 4 facing upward on the open end side of the upper side.
1 is protruded, and a lower locking claw 43 is suspended downward from the open end side of the lower side 44. In the assembled state, the upper locking claw 41 and the lower locking claw 43 are respectively connected to the lower rail 16. A locking receiving portion 70 provided on the lower side surface of the lower side surface of the hinge portion 20 and a locking receiving portion 72 provided on the lower side surface portion of the hinge portion 20
It is becoming more and more engaged. Note that this hinge cover 40 is not limited to the above-mentioned form; for example, as shown in FIG.
If the notch 48 is omitted when the upper surface of the pivot pin 36 is held, the pivot pin 36
Rotates smoothly, allowing for smooth opening and closing of the door.

When assembling the gate of this invention constructed as described above, the projecting piece 34 of the hinge bracket 30 is inserted into the notch 22 of the hinge portion 20, and
After fitting the pivot pin 36 into the horizontal groove 24,
Upper and lower locking claws 41, 4 of the hinge cover 40
3 to the locking receiving parts 70 and 72 provided on the lower rail 16 and the hinge part 20, tighten the fixing bolts 60, attach the hinge cover 40, and then attach the hinge bracket 30 to the loading platform floor 50. The assembly work is completed by fixing it to the side surface (see Figure 3). Furthermore, when replacing or repairing the gate, by removing the hinge cover 40, the gate main body 10 can be removed while leaving the hinge bracket as is, making it easy to replace or repair the gate main body 10. It can be performed.

Note that when installing the hinge cover 40 in the embodiment shown in FIG. 1
6 and the upper side 42 may be fixed with fixing bolts 60.

[Effects of the invention] As explained above, according to the invention, the projecting piece of the hinge bracket is inserted into the notch of the hinge part, and the projecting piece is inserted into the notch of the hinge part. Since the pivot pin is fitted into the groove and the top surface of the pivot pin is held by the lower side of the hinge cover, precision machining of the hinge part is not required and it is easy to work in narrow work spaces. Since the gate can be assembled, replaced, or repaired, and the hinge can be easily attached to any position, productivity can be improved.
Furthermore, since there are no protruding parts on the outer surface of the gate,
Since it is safe and has effects such as being aesthetically pleasing, its utility value is remarkable.

[Brief explanation of drawings]

Fig. 1 is a sectional view showing the first embodiment of the tilt mechanism of this invention, Fig. 2 is an exploded perspective view of the first embodiment, and Fig. 3 is an exploded perspective view of the first embodiment.
Figure 4 is a side view of a truck equipped with a tilter according to this invention, Figure 4 is a sectional view showing another installation state of the upper rail in this invention, and Figure 5 is a perspective view showing another form of the hinge bracket in this invention. , FIG. 6 is a cross-sectional view showing another form of the hinge cover in this invention, FIG. 7 is a front view of the main part of the conventional gate, and FIG. 8 is a view showing the - of FIG.
FIG. Explanation of symbols, 10... Tilt body, 20... Hinge part, 22... Notch, 24... Horizontal groove part, 30...
... Hinge bracket, 32 ... Base, 34 ... Projection piece, 36 ... Pivot pin, 40 ... Hinge cover, 42 ... Upper side, 44 ... Lower side, 45 ... Arc-shaped part, 48 ... Notch, 50 ... Loading bed floor, 60 ...
fixing bolt.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A hinge part that has an approximately L-shaped cross section and is suspended from the outside of the lower end of the gate body and has notches cut out at appropriate intervals, and a hinge part that is fixed to the side of the platform floor. a hinge bracket having a pivot pin projecting in a direction perpendicular to the projecting direction of the projecting piece on a projecting piece projecting from the base; consists of a hinge cover with a substantially cross-sectional shape that covers the upper part of the horizontal groove formed on the horizontal part of the hinge part,
The protruding piece of the hinge bracket is inserted into the notch of the hinge portion, and the pivot pin is fitted into the horizontal groove, and the upper surface of the pivot pin is inserted into the hinge cover. Tilt of a truck etc. which is held by the lower side of the. (2) The hinge for a truck, etc., as set forth in claim 1 of the utility model registration claim, which comprises a hinge cover having a notch into which a protruding piece of a hinge bracket is inserted. (3) Trucks, etc. according to claim 1, in which the hinge bracket is composed of a pair of protruding pieces protruding from the base and a pivot pin installed between these protruding pieces. The fan. (4) The hinge bracket protrudes from the base 1
A tilting mechanism for a truck, etc., according to claim 1, which is comprised of a projecting piece and a pivot pin protruding from at least one side of the projecting piece. (5) The hinge for a truck, etc. as set forth in claim 1 of the utility model registration claim, which comprises an arcuate portion that holds the upper surface of the pivot pin on the lower side of the hinge cover.