JPH0930453A - Carrier vehicle flap attaching structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily attach a flap and to stably support the flap so as to be freely opened/closed by forming a T shaped hinge inserting groove engaged with an engaging part in the end part of a flap and inserting the engaging part into the hinge inserting groove. SOLUTION: Since an upper hinge 26 is arranged with a lower hinge 21, the width dimension of each lower hinge 21 is made smaller than a conventional one. Further, since an engaging length between the upper hinge 26 and a flap 30 is surely formed long and the engaging part 28 of the upper hinge 26 is formed in a T shape for providing strength, the upper hinge 26 is also miniaturized because of the thin formation of a cylindrical part 27 or the like. Thus, a good appearance is provided by reducing the consciousness of intermittent protrusions from a floor frame and the flap 30 is stably supported. Further, when the flap 30 is attached to or detached from the upper hinge 26, the flap 30 is only moved along the engaging part 28 of the upper hinge 26, and accordingly work is facilitated very much and the number of parts necessary for attaching is reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tilt mounting structure which is provided on a side surface of a bed so as to be openable and closable in various transport vehicles such as trucks.

[0002]

2. Description of the Related Art Generally, a tilt which constitutes a side surface of a loading space on a cargo bed is attached to a side surface of a cargo bed of various vehicles such as trucks so as to be openable and closable. 16 to 18 show a conventional mounting structure of this kind of tilt in a truck. In the drawings, reference numeral 1 is a bed frame of the truck. On the side surface of the floor frame 1, the flat plate portions 2 are provided at a plurality of positions in the longitudinal direction.
And cylindrical portions 3 and 3 integrally formed at both ends of the flat plate portion 2.
A lower hinge 4 composed of and is fixed by a countersunk bolt 5 and a nut 6 which are inserted into the flat plate portion 2. The cylindrical portion 8 of the upper hinge 7 is disposed between the cylindrical portions 3 and 3 of the lower hinge 4, and the hinge pin 9 is inserted into the cylindrical portions 3 and 8 of the upper hinge 7, whereby the upper hinge 7 is hinged. It is rotatably provided around the pin 9. And, the flat plate portion 10 of the upper hinge 7
A tilt 13 is attached by means of a countersunk bolt 11 and a nut 12, whereby the tilt 13 is provided on the side surface of the floor frame 1 via the upper hinge 7 so as to be openable and closable.

[0003]

By the way, in such a conventional tilt mounting structure, the lower hinge 4 is the floor frame 1.
Is provided locally in the longitudinal direction of the lower hinge 4
In order to secure the length of the cylindrical portion 8 of each upper hinge 7 in terms of strength, the tilt 13 is supported through the upper hinge 7 provided between the cylindrical portions 3 and 3 of the lower hinge 4. As the width dimension increases, the diameter of the countersunk bolt 11 and the flat plate portion 1 of the upper hinge 7
Since it is necessary to increase the thickness dimension of 0 as well, as shown in FIG. 18, there is a drawback that the enlarged upper and lower hinges 4 and 7 intermittently protrude from the side surface of the floor frame 1 and are unsightly in appearance. In addition, in this type of truck, since the outermost end dimension of the loading platform is legally restricted, the flat plate portion 1 of the upper hinge 7 is
As the thickness of 0 becomes thicker, the width of the cargo bed between the tilts becomes relatively shorter, and the loading space becomes smaller, which is uneconomical. In addition, when mounting the tilt, a large number of countersunk bolts 5 and 11 must be inserted and the nuts 6 and 12 must be screwed together.

The present invention has been made in order to effectively solve the problems of the conventional mounting structure for a carrier tilt, and it is easy to mount the tilt, and the tilt can be opened and closed stably. An object of the present invention is to provide a mounting structure of a tilt for a carrier that can be supported, can secure a wider loading space, can downsize the upper and lower hinges, and has an excellent appearance. Is.

[0005]

According to a first aspect of the present invention, there is provided a carrier hinge mounting structure according to the present invention, wherein a lower hinge having a flat plate portion and a cylindrical portion integrally formed on a side surface of a floor frame of the carrier vehicle. The flat plate part is fixed, and an upper hinge provided with a cylindrical part and an engaging part integrally formed on the outer periphery of the cylindrical part is provided between the lower hinges, and the lower hinge and the upper hinge are By inserting a hinge pin into the cylindrical portion, the upper hinge is rotatably provided with respect to the lower hinge, and the engaging portion is formed in a T-shape having a flange portion at a tip end thereof, and the transport is performed. A T-shaped hinge insertion groove that engages with the engaging portion is formed at the end portion of the tilt arranged on the periphery of the vehicle, and the engaging portion is inserted into the hinge inserting groove to allow the tilt to move. Is rotatably provided via an upper hinge.

[0006] The invention described in claim 2 is the invention according to claim 1.
The outer peripheral surface is formed so that the outer peripheral surface thereof is substantially flush with the outer surface of the tilt and is located on the inner side of the carrier than this, and the end of the outer surface of the tilt is formed. It is characterized in that the portion is provided with a projecting portion extending to a position facing the outer periphery of the cylindrical portion. here,
The outer surface of the tilt is substantially flush with the outer surface in the case of being flush with the outer surface or in the case where the cylindrical portion extends several millimeters (1 to 4 mm) outward from the outer peripheral surface due to an installation error or the like. It includes. Further, in the invention according to claim 3, a plurality of the lower hinges according to claim 1 or 2 are provided in the longitudinal direction of the floor frame side surface, and the upper hinges are continuously provided between the adjacent lower hinges. It is characterized by being provided.

According to a fourth aspect of the present invention, the thickness of the flat plate portion is adjusted to a position where the flat plate portion of the lower hinge is fixed on the side surface of the floor frame according to any one of the first to third aspects. It is characterized in that a cut portion having a corresponding depth is formed. Further, the invention according to claim 5 is for locking the movement of the tilt along the upper hinge by projecting into the hinge insertion groove of the tilt according to any one of claims 1 to 4. In the invention according to any one of claims 1 to 5, at least the upper hinge is made of aluminum or It is characterized by being integrally formed by extrusion molding of an aluminum alloy.

According to the first aspect of the invention, since the upper hinge is arranged between the lower hinges, the width dimension of each lower hinge can be made smaller than that of the conventional one. Moreover,
Since the engagement length between the upper hinge and the tilt can be secured large and the engaging portion of the upper hinge is formed in a T shape having a large second moment of area and excellent strength, the upper hinge is also It is possible to reduce the size by reducing the thickness of the cylindrical portion, so that the intermittent projection from the floor frame is inconspicuous and an excellent appearance is obtained, and the tilt can be stably supported. Furthermore, when attaching or removing the tilt to or from the upper hinge, it is not necessary to screw or remove the countersunk bolts or nuts for mounting, unlike the conventional ones. Since it only needs to be moved, the work is extremely easy and the number of parts required for mounting can be reduced.

In addition, the engaging portion of the upper hinge is engaged with the hinge insertion groove formed at the end portion of the tilt, so that
If the cylindrical portions of the upper and lower hinges are formed so as to be substantially flush with the outer surface of the tilting position in the upright position or on the inner side of the carriage as described above, the tilting of the upper and lower hinges can be improved. Since there is no portion protruding from the outer side surface of the shaft, and as a result, the outer side surface of the tilt can be positioned outside up to the limit of legal regulation, a wide loading space can be secured. Further, if a protrusion extending to a position facing the outer periphery of the cylindrical portion is provided at the end portion of the outer side surface of the tilt, it is possible to obtain a continuous sense of unity between the tilt and the upper and lower hinges, which is much more excellent. A smooth appearance is obtained.

Further, according to the invention described in claim 3,
As a result of the upper hinge being continuously arranged between the adjacent lower hinges, the tilt is engaged with the upper hinge over substantially the entire length thereof, so that the tilt can be supported more stably and openably. In addition, since local stress is not concentrated on the engaging portion of the upper hinge, it is possible to reduce the thickness of the engaging portion. Further, as in the invention according to claim 4, at a position for fixing the flat plate portion of the lower hinge on the side surface of the floor frame,
If a cut portion having a depth corresponding to the thickness dimension of the flat plate portion is formed, the flat plate portion of the lower hinge also does not project intermittently from the side surface of the floor frame, so that a flatter appearance shape can be obtained and the flat plate It is possible to reduce the risk that the section may be damaged by being interfered with by the transportation device when being loaded.

In addition to these, according to the invention as set forth in claim 5, it is possible to prevent the tilt from moving along the upper hinge by the moving lock during use. Therefore, in the invention according to any one of claims 1 to 5, if at least the upper hinge is integrally formed by extrusion molding of aluminum or aluminum alloy, the engaging portion having a complicated shape can be easily integrally molded. In addition, the engaging portion has a T-shape with excellent strength,
In addition, since it is possible to secure a large engagement length with the tilt, as a result, it is possible to reduce the wall thickness, and in combination with the fact that the aluminum or aluminum alloy itself is lightweight, it is This is preferable because the weight can be reduced.

[0012]

First Embodiment FIGS. 1 to 8 show a first embodiment in which the mounting structure for a carrier for a carrier according to the present invention is applied to a mounting structure for a truck. Is the floor frame of the truck. On the side surface of this floor frame 20,
Lower hinges 21 made of aluminum alloy are attached at predetermined intervals in the longitudinal direction. The lower hinge 21 is composed of a flat plate portion 22 and a cylindrical portion 23 integrally formed at one end portion of the flat plate portion 22, and a tray inserted from the flat plate portion 22 side to the side surface of the floor frame 20. Bolt 24, floor frame 2
It is fixed to the side surface of the floor frame 20 by screwing a nut 25 arranged on the back surface side of 0. And
Upper hinges 26 are arranged between the lower hinges 21.

The upper hinge 26 is a cylindrical portion 2 of the lower hinge 21.
A cylindrical portion 27 having the same diameter as that of 3, and having a length dimension between the lower hinges 21 and 21, and an engaging portion 28 extending from the outer periphery of the cylindrical portion 27 are integrally formed by extrusion molding of an aluminum alloy. The engagement portion 28 is formed in a T-shape in appearance having a flange portion 28b at the tip of the support portion 28a. Then, the cylindrical portion 2 of the lower hinge 21 and the upper hinge 26 that continuously extends along the side surface of the floor frame 20.
By inserting the hinge pin 29 into 3, 27,
The upper hinge 26 is rotatably provided around the hinge pin 29. On the other hand, the tilt 30 attached to the upper hinge 26
A T-shaped hinge insertion groove 31 with which the T-shaped engaging portion 28 of the upper hinge 26 is engaged is formed at the lower end of the. The tilt 30 is provided so as to be openable and closable with respect to the floor frame 20 integrally with the upper hinge 26 by inserting the engaging portion 28 of the upper hinge 26 into the hinge insertion groove 31.

The tilt 30 is composed of a plurality of units connected in the vertical direction by connecting bolts 32. Therefore, as shown in FIG.
The flange portion 28b of the upper hinge 26 disposed at the position where 2 is located is formed with a recess 28c for avoiding interference with the head portion 32a of the connecting bolt 32. Further, as shown in FIGS. 4 and 5, the cylindrical portions 23 and 27 of the upper and lower hinges 21 and 26 are formed such that the outer peripheral surfaces thereof are substantially flush with the outer side surface 30a of the tilt 30 at the standing position. At the lower end of the outer side surface 30a of the tilt 30, a projection 30b is integrally formed which extends from this to a position facing the outer circumference of the cylindrical portions 23 and 27. Further, on the inner surface side of the lower end portion of the tilt 30, a drainer 30c which is bent to the outer surface side and extends downward along the side surface of the floor frame 20 is also integrally formed. Then, as shown in FIG. 5, the both ends of the tilt 30 are screwed from the bottom rear surface side of the tilt 30, and the tip ends project into the hinge insertion groove 31, so that the tilt 30 moves toward the upper hinge 26. A screw (movable locking tool) 33 for preventing movement along the engaging portion 28 is provided.

A truck 30 having the above structure
According to the mounting structure of No. 2, since the upper hinges 26 are arranged between the lower hinges 21 so that the cylindrical portions 23, 27 of the upper hinges 26 are continuous with each other, the width dimension of each lower hinge 21 is smaller than that of the conventional one. can do. In addition, the engagement length between the engagement portion 28 of the upper hinge 26 and the hinge insertion groove 31 of the tilt 30 is long, and
Since the engaging portion 28 is formed in a T shape having a large second moment of area and excellent strength, the upper hinge 28 can be downsized by thinning the cylindrical portion 27 and the engaging portion 28. Moreover, since the protrusion 30b extending to a position facing the outer circumference of the cylindrical portions 23, 27 is provided at the lower end portion of the outer side surface 30a of the tilt 30, the tilt 30 and the cylindrical portions 23, 27 of the upper and lower hinges are provided. A large gap is not formed in the space, so that a continuous sense of unity can be obtained between them. As a result, the intermittent projection of the lower hinge 21 from the floor frame 20 becomes inconspicuous, and an excellent smooth external shape can be obtained, and the engaging portion 28 of the upper hinge 26 engages over the entire length of the tilt 30. Aori 30
Hinges 26 that can support the stable opening and closing freely
The tilt 30 can be stably supported via the hinge pin 29.

In addition, since the upper and lower hinges 21 and 26 are integrally formed by extrusion molding of aluminum or aluminum alloy, the T-shaped engaging portion 28 having a complicated shape can be easily integrally molded. It is possible and easy to manufacture.
Moreover, as described above, since the engaging portion 28 is formed in a T-shape excellent in strength and is engaged over almost the entire length of the tilt 30, it is possible to reduce the thickness in terms of strength. In addition, the weight of the aluminum or aluminum alloy itself can be combined with the weight of the aluminum or aluminum alloy itself to further reduce the weight as a whole. Further, when the tilt 30 is attached to or removed from the upper hinge 26, it is only necessary to move the tilt 30 along the engaging portion 28 of the upper hinge 26, and therefore the work is extremely easy and the dish is Compared with the conventional ones that require bolts and nuts, the number of parts required for mounting can be greatly reduced.

Further, in addition to engaging the engaging portion 28 of the upper hinge 26 with the hinge insertion groove 31 formed at the lower end of the tilt 30, the cylindrical portions 23 of the upper and lower hinges 21 and 26,
Since 27 is formed to be substantially flush with the outer surface 30a of the tilt 30 in the standing position, the upper and lower hinges 21, 2
6 does not have a portion projecting from the outer side surface 30a of the tilt 30, so that the outer surface 30a of the tilt 30 itself can be positioned outside up to the limit of legal regulation, so that a wide loading space can be secured. . Further, when used, the screw 30 causes the tilt 30 to move the engaging portion 2 of the upper hinge 26.
It is possible to reliably prevent the vehicle body from moving in the front-rear direction along the line 8.

[0018]

Embodiment 2 of the Invention FIGS. 9 to 11 show a second embodiment in which the mounting structure for a carrier of the present invention is applied to the mounting structure for a truck. The same components as those shown in FIG. 8 are designated by the same reference numerals and the description thereof will be omitted. As shown in FIGS. 9 to 11, the mounting structure according to the present embodiment has the cylindrical portion 3 of the upper and lower hinges 35 and 36.
The hinge core position is located as high as possible so that the upper end portions of 7, 38 are located slightly below the upper surface of the floor frame 20. Therefore, the flat plate portion 39 of the lower hinge 35 does not interfere with the drain 30c and the protrusion 30b of the tilt 30 when the tilt 30 rotates from the standing position shown in FIG. 9 to the open position shown in FIG. A bent portion 39a that is gradually inclined in a direction away from the floor frame 20 is formed at the upper end portion thereof. Further, in the upper hinge 36, the support portion 40a of the engaging portion 40 is formed to be shorter than that of the upper hinge 26 shown in the first embodiment. In addition, these figures show the connecting bolt 32 described above.
Is a side cross-section at a position where it is not necessary to consider, and therefore, at this position, the upper surface of the flange portion 40b of the engaging portion 40 contacts the flat upper surface of the hinge insertion groove 31 of the opposing tilt 30. It is formed in a planar shape that contacts. According to the mounting structure in this form, the upper and lower hinges 3
It is possible to further reduce the size of the components 5 and 36, and thus it is possible to reduce the weight, which is economical, and the appearance shape is more excellent.

[0019]

Third Embodiment FIG. 12 and FIG. 13 show a third embodiment of the present invention. Similarly, FIGS.
The same components as those shown in are denoted by the same reference numerals, and the description thereof will be omitted. In these drawings, in the attachment structure of the tilt 30 of the present embodiment, the flat plate portion 21 is fixed on the side surface of the floor frame 20 at a position where the flat plate portion 22 of the lower hinge 21 is fixed, over the entire length in the longitudinal direction. A cut portion 41 having a depth dimension substantially equal to the thickness dimension is formed.
Further, on the side surface of the floor frame 20 located above the lower hinge 21, the groove portion 4 extending in the longitudinal direction (front and back direction of the paper surface).
2 are formed in the groove 42, and the seal portion 43a is formed in the groove 42.
The rubber packing 43 is attached so as to project from this and to be interposed between the drainer 30c and the drainer 30c. In addition, in FIG. 12, in order to show the shape of the seal portion 43a, an original shape that is not crushed with the drainer 30c is drawn overlapping with the drainer 30c.

According to the mounting structure of this embodiment, since the cut portion 41 having the depth dimension substantially equal to the thickness dimension of the flat plate portion 23 of the lower hinge 21 is formed on the side surface of the floor frame 20, The flat plate portion 23 of the lower hinge 21 also does not project from the side surface of the floor frame 20. As a result, a flat appearance is obtained as a whole, and the flat plate portion 23 interferes with a transporting device or the like during loading and is damaged. The risk can be reduced.

In each of the first to third embodiments described above, the upper hinges 26, 36 are arranged between the lower hinges 21, 35 so that the cylindrical portions 23, 27, 37, 38 of the upper hinges are continuous with each other. However, the present invention is not limited to this, and depending on conditions such as the size of the carrier and the weight of the tilt 30, FIG.
As shown in, an upper hinge 26 is provided between the pair of lower hinges 21 and 21.
And a short hinge pin 45 on each of the cylindrical portions 23 and 27.
The inserts may be provided at a plurality of positions in the longitudinal direction of the tilt 30. Further, as shown in FIG. 15, the abrasion resistant resin 46 is provided on the sliding portion between the cylindrical portions 23 and 27 of the upper and lower hinges 21 and 26 and the hinge pin 45 and the sliding portion between the cylindrical portions 23 and 27. , 47 is more preferable.

[0022]

As described above, according to the invention described in claim 1, the width dimension of each lower hinge can be made smaller than that of the conventional one, and the upper hinge and the tilt are engaged with each other. In addition to being able to secure a large length, the engaging part of the upper hinge is formed in a T shape with excellent strength, so the upper hinge can also be downsized by thinning the cylindrical part etc. Therefore, the intermittent protrusion from the floor frame becomes inconspicuous and an excellent appearance is obtained, and the tilt can be stably supported. Further, when attaching / removing the tilt to / from the upper hinge, it is only necessary to move the tilt along the engaging portion of the upper hinge, so that the work is extremely easy and the number of parts required for mounting is reduced. It becomes possible. In addition, according to the invention described in claim 2, since the outer side surface of the tilting itself can be positioned outside up to the limit of legal regulation, a wide loading space can be secured and the tilting Since a continuous sense of unity is obtained between the upper and lower hinges, a much better and smoother appearance is obtained.

Further, according to the third aspect of the present invention,
Since the tilt is engaged with the upper hinge over almost its entire length, the tilt can be supported more stably and openably and freely, and local stress is not concentrated on the engaging portion of the upper hinge. It is possible to reduce the thickness of the engaging portion. Further, according to the invention of claim 4, a flatter appearance shape can be obtained, and the flat plate portion can be used as a transport device or the like when loaded. The risk of interference and damage can be reduced. Further, according to the invention of claim 5, it is possible to surely prevent the tilt from moving along the upper hinge by the moving lock during use. Therefore, according to the invention described in claim 6, it is preferable that the engaging portion having a complicated shape can be easily integrally molded, and the weight as a whole can be further reduced.

[Brief description of drawings]

FIG. 1 is a first part of a structure for mounting a tilt of a carrier according to the present invention.
It is a front view which shows embodiment.

FIG. 2 is a side sectional view of FIG.

FIG. 3 is an enlarged view of a portion A of FIG.

FIG. 4 is an enlarged view of a portion C in FIG.

5 is an enlarged side sectional view of a B part in FIG. 1. FIG.

FIG. 6 is a front view showing the configuration of the upper and lower hinges of FIG.

FIG. 7 is a side sectional view of the upper hinge of FIG.

FIG. 8 is a side sectional view of the lower hinge of FIG.

FIG. 9 is a side sectional view of an essential part showing a second embodiment of the present invention.

10 is a side sectional view showing the shape of the lower hinge of FIG.

FIG. 11 is a side sectional view showing a state where the tilt of FIG. 9 is opened.

FIG. 12 is a side sectional view of an essential part showing a third embodiment of the present invention.

FIG. 13 is a front view of FIG.

FIG. 14 is a front view of a main portion showing another embodiment of the mounting structure according to the present invention.

FIG. 15 is a front view of upper and lower hinges in another embodiment of the mounting structure according to the present invention.

FIG. 16 is a side cross-sectional view of a main portion showing a conventional truck tilt mounting structure.

FIG. 17 is a front view of FIG. 16;

FIG. 18 is a front view showing the overall configuration of FIG.

[Explanation of symbols]

 20 Floor frame 21, 35 Lower hinge 22, 39 Flat plate part 23, 27, 37, 38 Cylindrical part 26, 36 Upper hinge 28, 40 Engagement part 28b, 40b Flange part 29, 45 Hinge pin 30 Aorient 30a Outer surface 30b Projection Part 31 Hinge insertion groove 33 Screw (movable locking tool) 41 Step

Claims (6)

[Claims] 1. The flat plate portion of a lower hinge having a cylindrical portion integrally formed on a flat plate portion is fixed to a side surface of a floor frame of a carrier, and the cylindrical portion and the outer periphery of the cylindrical portion are provided between the lower hinges. By disposing the upper hinge with the integrally formed engaging portion and inserting the hinge pin into the cylindrical portion of the lower hinge and the upper hinge, the upper hinge can be freely rotated with respect to the lower hinge. And the engaging portion is formed in a T shape having a flange portion at the tip, and the engaging portion engages with the engaging portion at the end of the tilt arranged on the periphery of the carriage. -Shaped hinge insertion groove is formed, and by inserting the engaging portion into the hinge insertion groove, the tilt is provided rotatably through the upper hinge. Construction. 2. The cylindrical portion is formed such that the outer peripheral surface thereof is substantially flush with the outer surface of the tilt in the upright position or more inward than the outer surface of the tilt.
The mounting structure for a carrier tilt according to claim 1, wherein a protrusion extending to a position facing the outer periphery of the cylindrical portion is provided at the end of the outer side surface of the tilt. 3. The plurality of lower hinges are provided in the longitudinal direction of the side surface of the floor frame, and the upper hinges are continuously arranged between the adjacent lower hinges. Alternatively, the structure for mounting the tilt of the carrier according to item 2. 4. A cut portion having a depth corresponding to a thickness dimension of the flat plate portion is formed at a position on the side surface of the floor frame where the flat plate portion of the lower hinge is fixed. The structure for mounting the tilt of the carrier according to any one of 1. 5. The moving lock is detachably provided on the tilt to project from the hinge insertion groove and lock the movement of the tilt along the upper hinge. The mounting structure for the tilt of a carrier according to any one of claims 1 to 4. 6. The structure for mounting a tilt of a carrier according to claim 1, wherein at least the upper hinge is integrally formed by extrusion molding of aluminum or an aluminum alloy.