JP4064040B2 - Hinge structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention connects, for example, an end edge portion of a door provided in a rear opening portion that is an opening orthogonal to a side wall constituting a loading platform such as a truck, and an end edge portion of the side wall that is an edge portion of the opening. The present invention relates to a hinge structure that allows the door to be opened and closed with respect to the opening.
[0002]
[Prior art]
For example, the opening / closing door 52 of the loading platform 51 such as the truck 50 shown in FIG. 10 has a double door structure, and can be opened 270 degrees so that the door 52 to be opened does not hinder when handling (see FIG. 10). The alternate long and short dash line) is configured such that the left and right doors 52 extend along the left and right outer surfaces 51a of the loading platform 51. Each door 52 is connected to a frame 54 erected on both the left and right sides of the opening 53 in the loading platform 51, and a pair of wing bodies 61 and 62 as shown in FIG. It is attached via a hinge 60 composed of shaft bodies 64 and 65.
[0003]
[Problems to be solved by the invention]
However, the hinge 60 provided in the conventional door 52 described above has a structure in which one wing body 62 is fixed to the outer side surface of the frame 54 and the other side is provided to the outer side surface of the edge of the door 52 in order to make the structure capable of opening 270 degrees. The wing body 61 is fixed, that is, a structure that is exposed and disposed on the outer surface of the cargo bed 52. From this, the appearance as a truck body is bad, and the hinge is particularly large when it becomes a large door. There is a disadvantage that the number of 60 increases, and the appearance looks bad. Further, since the hinge 60 is generally made of stainless steel, there is a problem that rust is generated due to aging, and there is also a problem that the outer surface of the cargo bed is soiled by the generated rust.
[0004]
Therefore, in order to solve the above problems, the present invention provides a hinge structure that is not located on the outer surface of the door but can be opened and closed so that the door can be opened at 270 degrees, and the appearance of the door can be improved. The purpose is to do.
[0005]
[Means for Solving the Problems]
Next, means for solving the above problems will be described with reference to FIGS. 5 to 8 corresponding to the second embodiment of the present invention.
The first embodiment of the present invention with reference to FIGS. 1 to 4 is a reference example of the present application.
[0006]
The hinge structure of the present invention connects the end edge of the door 52 provided in the opening 53 orthogonal to the side wall 51 b and the end edge of the side wall 51 b serving as the edge of the opening 53. In contrast to the hinge structure that allows the door 52 to be opened and closed approximately 270 degrees,
Located in the corner of the opening formed by the side wall 51b and the door 52,
The fixed wing body 22 fixed to the inner edge of the side wall 51b near the inner surface of the door 52 at the edge,
A movable wing 26 fixed to the inner edge of the door 52 adjacent to the edge of the side wall 51b;
A first oscillating wing body 30 having one end pivotably connected to the fixed wing body 22 via a shaft body 23;
One end is pivotably connected to the movable wing body 26 via a shaft body 27, and the other end is pivotable to the other end of the first oscillating wing body 30 via a connecting shaft 38. A second oscillating wing 34 to be coupled;
It has.
[0007]
The second oscillating wing body 34 is formed by a pair of pieces, and an elongated hole 36 through which the connecting shaft 38 slidably passes is formed at the other end of the pair of pieces. The oscillating wing body 30 and the second oscillating wing body 34 are connected to the other end of the first oscillating wing body 30 with the connecting shaft 38 connecting the oscillating wing body 30 and the second oscillating wing body 34. The other end is connected to the connecting shaft 38 through the elongated hole 36 so as to be slidable in a direction orthogonal to the axial direction.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the structure of the hinge of the present invention will be described for each embodiment.
The hinge structure of the present invention is used to open and close the rear door 52 in the loading platform 51 portion of the truck 50 as shown in FIG. 10 described in the prior art, and constitutes the loading platform 51 portion. The rear end edges of the left and right side walls 51b are connected to the end edge portions of the doors 52 provided in the openings 53 formed at the rear part of the loading platform 51 and perpendicular to the side walls 51b. The hinges 1 and 21 of the embodiment are located in the corner portion 40 formed by the side wall 51 b and the door 52.
[0009]
FIG. 1 is a plan view showing a first embodiment of a hinge structure according to the present invention, and FIG. 2 is a perspective view thereof.
The structure of the hinge 1 of the first embodiment is roughly constituted by a fixed wing body 2, a movable wing body 6, a first oscillating wing body 10, and a second oscillating wing body 14. Yes.
The fixed wing body 2 is formed in a substantially rectangular plate shape as shown in FIG. 2 and is located at the rear edge of the side wall 51b in the loading platform 51 portion of the truck 50 shown in FIG. 10, and as shown in FIG. It is fixed to the inner surface of the frame 54 constituting the side wall edge.
[0010]
The fixed wing body 2 has a tubular support portion 4 through which the shaft body 3 is penetrated. A screw or the like is used so that the axial direction of the support portion 4 is substantially vertical along the edge of the side wall 51b. It is fixed by the fixing member 5.
As shown in FIGS. 1 and 2, in the present embodiment, the fixed wing body 2 is fixed so that the support portion 4 is located on the back side of the loading platform 51.
[0011]
As shown in FIG. 2, the movable wing body 6 is formed in a substantially rectangular plate shape, and is formed on the inner surface of the edge portion near the frame 54 at the edge of the side wall 51 b in the rear door 52 of the track 50 shown in FIG. 10. Fixed.
[0012]
The movable wing body 6 has a tubular support portion 8 through which the shaft body 7 is penetrated. A screw or the like is used so that the axial direction of the support portion 8 is substantially vertical along the edge of the door 52. It is fixed by a fixing member 9.
As shown in FIGS. 1 and 2, in the present embodiment, the movable wing body 6 is fixed so that the support portion 8 is positioned on the edge side of the door 52.
[0013]
As shown in FIGS. 1 and 2, the first oscillating wing body 10 is formed of a plate-like member that is bent in the middle and is formed in a substantially square shape, and tubular through-shaft support portions 11 and 12 are formed at both ends. Is provided. The axial direction of each through-shaft support part 11 and 12 and the ridgeline of the middle bent part are parallel to each other.
The through-shaft support portion 11 at one end is coaxial with the support portion 4 of the fixed wing body 2, and a shaft body 3 is attached through each of the support shafts 4, and can swing with respect to the fixed wing body 2 via the shaft body 3. To be connected.
As shown in FIG. 1, the ridge line of the bent portion is a direction protruding with respect to the corner portion 40, and the bent angle at the bent portion is set to an obtuse angle in the present embodiment. Is done. Further, the length from the through-shaft support 11 at one end to the bent portion is set to the distance from the connection portion (shaft body 3) to the fixed wing body 2 to the edge of the frame 54.
[0014]
The second oscillating wing body 14 is formed in substantially the same shape as the first oscillating wing body 10, and as shown in FIGS. It consists of a plate-shaped member and is provided with tubular through-shaft support portions 15 and 16 at both ends. The axial direction of each of the through-shaft support portions 15 and 16 and the ridge line of the middle bent portion are parallel to each other.
The through-shaft support portion 15 at one end is coaxial with the support portion 8 of the movable wing body 6, and a shaft body 7 is attached through each of the support wing bodies 6, and can swing with respect to the movable wing body 6 via the shaft body 7. To be connected. Further, the through-shaft support 16 at the other end is coaxial with the through-shaft support 12 at the other end of the first oscillating blade body 10 and the connecting shaft 18 passes through and is connected to each other so that it can swing freely. It has become.
As shown in FIG. 1, the ridge line of the bent portion is a direction protruding with respect to the corner portion 40, and the bent angle at the bent portion is set to an obtuse angle in the present embodiment. Is done. Further, the length from the penetrating shaft support 15 at one end to the bent portion is set to the distance from the connecting portion (shaft body 7) to the movable blade body 6 to the edge of the door 52.
[0015]
Next, the operation of the structure of the hinge 1 according to the first embodiment having the above-described configuration will be described.
As shown in FIGS. 1 and 2, when the door 52 is closed, the first oscillating wing body 10 and the second oscillating wing body 14 are formed by the side wall 51 b and the door 52. It is located in the corner portion 40. In the present embodiment, one end side 14 a of the second swing wing body 14 is located along the movable wing body 6.
[0016]
Next, when the door is opened, as shown in FIG. 3, the first oscillating wing body 10 is centered on the shaft body 3 connecting the first oscillating wing body 10 and the fixed wing body 14. It swings and the door 52 moves in the opening direction (arrow A in FIG. 1).
[0017]
At the same time, the second oscillating wing body 14 oscillates with respect to the first oscillating wing body 10 around the connecting shaft 18 that connects the first oscillating wing body 10 and the second oscillating wing body 14. It moves, and it will be in the state opened about 180 degree | times in each other end side of both the rocking | fluctuation blade bodies 10 and 14. In this state, the door 52 is in the middle of opening with respect to the opening 53 as shown in FIGS.
[0018]
Next, when the door 52 is further moved in the opening direction, the second oscillating wing body 14 is centered on the connecting shaft 18 that connects the first oscillating wing body 10 and the second oscillating wing body 14. Oscillates further outward, and the second oscillating wing body 14 is slightly bent with respect to the first oscillating wing body 10, and the second oscillating wing body 14 and the movable wing body. The movable wing body 6 oscillates with respect to the second oscillating wing body 14 (arrow B in FIG. 1) around the shaft body 7 that couples the movable wing body 6 to the second oscillating wing body 14. As shown in FIG. 4, the door 52 to which the movable wing body 6 is fixed is along the outer side surface 51a of the side wall (arrow C in FIG. 1). , The opening 53 is approximately 270 degrees.
[0019]
Therefore, according to the hinge structure having the above-described configuration, when the door 52 is closed, the hinge 1 is positioned at the corner portion 40 formed by the side wall 51b and the door 52, so that the hinge 1 is visually recognized from the outside. The appearance of the connecting portion between the door 52 and the side wall 51b is improved, thereby making it possible to improve the design of the side wall 51b and the door 52, and the hinge itself is not exposed. Therefore, it is possible to prevent the occurrence of rust due to changes over time.
[0020]
Further, since the hinge 1 which is a structural part for connecting the door 52 and the side wall 51b does not appear, it is possible to prevent a theft crime in which the hinge is broken and the door is removed and the door is illegally opened. It becomes.
[0021]
Next, a second embodiment of the hinge structure of the present invention will be described.
FIG. 5 is a plan view showing a second embodiment of the hinge structure according to the present invention, and FIG. 6 is a perspective view thereof.
Similar to the hinge 1 of the first embodiment described above, the structure of the hinge 21 of the second embodiment is the fixed wing body 22, the movable wing body 26, the first oscillating wing body 30, The second rocking wing body 34 is generally configured.
[0022]
As shown in FIG. 7, the fixed wing body 22 is formed in a substantially rectangular plate shape, is located at the rear edge of the side wall 51 b in the loading platform 51 portion of the truck 50 shown in FIG. 10, and as shown in FIG. 5, It is fixed to the inner surface of the frame 54 constituting the side wall edge.
[0023]
The fixed wing body 22 has a tubular support portion 24 through which the shaft body 23 is penetrated. A screw or the like is used so that the axial direction of the support portion 24 is substantially vertical along the edge of the side wall 51b. It is fixed by the fixing member 25.
As shown in FIGS. 5 and 6, in the present embodiment, the fixed wing body 22 is fixed so that the support portion 24 is located on the back side of the loading platform 51.
[0024]
As shown in FIG. 7, the movable wing body 26 is formed in a substantially rectangular plate shape, and is formed on the inner surface of the edge portion near the frame 54 at the edge of the side wall 51 b in the rear door 52 of the track 50 shown in FIG. 10. Fixed.
[0025]
The movable wing body 26 has a tubular support portion 28 through which the shaft body 27 is penetrated. A screw or the like is used so that the axial direction of the support portion 28 is substantially perpendicular to the edge of the door 52. It is fixed by a fixing member 29.
As shown in FIGS. 5 and 6, in the present embodiment, the movable wing body 26 is fixed so that the support portion 28 is positioned on the edge side of the door 52.
[0026]
Next, as shown in FIG. 6, the first oscillating wing body 30 is formed in a substantially rectangular plate shape, and tubular through shaft support portions 31 and 32 are provided at both ends, respectively. The through shaft support portions 31 and 32 are parallel to each other.
The through-shaft support portion 31 at one end is coaxial with the support portion 24 of the fixed wing body 22, and a shaft body 23 is attached through each of the support shafts 24, and can swing with respect to the fixed wing body 22 via the shaft body 23. To be connected.
The first oscillating wing body 30 is provided with a restriction convex portion 33 formed in a substantially wedge shape on one surface, and comes into contact with the fixed wing body 22 when oscillating with respect to the fixed wing body 22. (See FIG. 5). Further, the length of the first oscillating wing body 30 from the through-shaft support portion 31 at one end to the through-shaft support portion 32 at the other end is from the connecting portion (shaft body 23) to the fixed wing body 22 to the frame 54. Set to the distance to the edge.
[0027]
In the present embodiment, as shown in FIGS. 6 and 7, the second oscillating wing body 34 is configured as a pair of upper and lower portions, each of which is formed in a substantially bowl shape, and has a through shaft support portion 35 at one end. Is formed with a long hole 36 at the other end.
The through-shaft support portion 35 at one end is coaxial with the support portion 28 of the movable wing body 26, and is positioned above and below the support portion 28, and a shaft body 27 is attached through each of them. The movable wing body 26 is swingably connected to the movable wing body 26 via the body 27. Further, the elongated hole 36 at the other end penetrates the connecting shaft 38 together with the penetrating shaft support portion 32 at the other end of the first oscillating blade body 30 and is connected to each other so that they can swing freely. The first oscillating wing body 30 is slidably movable in the long hole 36 with respect to the second oscillating wing body 34.
One end side is provided with an escape portion 37 formed in a substantially v shape so as to prevent interference with the edge of the door 52 (see FIG. 8). Further, the length from one end to the other end is substantially set to a length distance obtained by adding the thickness of the frame 54 and the thickness of the door.
[0028]
Next, the operation of the structure of the hinge 21 according to the second embodiment having the above-described configuration will be described.
As shown in FIGS. 5 and 6, when the door 52 is closed, the first swing blade body 30 and the second swing blade body 34 are formed by the side wall 51 b and the door 52. It is located in the corner portion 40. In the present embodiment, the other end side of the first oscillating wing body 30 and the second oscillating wing body 34 are close to each other along the inner surface of the side wall, and one end side of the second oscillating wing body 34 is the movable wing body. 26 and does not protrude greatly inward of the loading platform 51.
[0029]
Next, when the door 52 is opened, as shown in FIG. 7, the first oscillating wing body 30 is centered on the shaft body 23 that connects the first oscillating wing body 30 and the fixed wing body 22. Swings and the door 52 moves in the opening direction. At the same time, the second oscillating wing body 34 oscillates with respect to the first oscillating wing body 30 around a connecting shaft 38 that connects the first oscillating wing body 30 and the second oscillating wing body 34. The second oscillating wing body 34 slides and moves in the elongated hole 36 relative to the first oscillating wing body 30, and the first oscillating wing body 30 is rotated by approximately 180 degrees. (Arrow D in FIG. 5). In this state, the door 52 opens about 90 degrees with respect to the opening 53 as shown in FIG.
[0030]
Next, when the door 52 is further moved in the opening direction, the shaft 52 that connects the second oscillating wing body 34 and the movable wing body 26 is centered on the second oscillating wing body 34. The movable wing body 26 rotates approximately 180 degrees (arrow E in FIG. 5), and as shown in FIGS. 5 and 8, the door 52 to which the movable wing body 26 is fixed is along the outer side surface 51a of the side wall, that is, The door 52 opens about 270 degrees with respect to the opening 53. At this time, the edge of the door 52 enters the escape portion 37 of the second swing wing body 34 and is opened without interfering with each other.
[0031]
Therefore, according to the structure of the hinge 21 having the above-described configuration, when the door 52 is closed, the hinge 21 is positioned at the corner portion 40 formed by the side wall 51b and the door 52. The appearance of the connecting portion between the door 52 and the side wall 51b is improved, thereby making it possible to improve the design of the side wall 51b and the door 52, and the hinge 21 itself is exposed. Therefore, the occurrence of rust due to changes over time can be prevented.
[0032]
Further, since the hinge 21 which is a structural part for connecting the door 52 and the side wall 51b does not appear, it is possible to prevent a theft crime in which the hinge is broken and the door 52 is removed to open the door illegally. It becomes possible.
[0033]
In each of the above-described embodiments, the example in which the hinge structure of the present invention is applied to a structure that opens and closes the door 52 that configures the loading platform 51 of the truck 50 has been described. However, it constitutes a warehouse door or furniture. The present invention is applied to a structure including a door that opens 270 degrees, such as a door.
[0034]
【The invention's effect】
As described above, according to the hinge structure according to the present invention, when the door is closed, the hinge is located at the corner of the corner formed by the side wall and the door, so that it is visible from the outside. The appearance of the connecting portion between the door and the side wall portion is good.
Thereby, it becomes possible to improve the design of the side wall and the door, and even if the door is configured in a large size and requires a large number of hinges, the appearance is not affected.
Further, in the present invention, the connection between the other pivoting ends of the first oscillating wing body 30 and the second oscillating wing body 34 constituting the hinge is performed by the second oscillating wing body 34. Since it is slidably connected through a long hole 36 formed at the other end, as shown in FIGS. 6 and 7, the first swing wing body 30 and the second oscillating wing body 30 are in the closed position of the door. The swing wing body 34 is folded in a compact manner so that it can be folded together, and in the open position of the door, it is opened widely so that it can be pulled out from each other. It does not get in the way as it is folded and stored compactly in the corner (entrance corner).
[0035]
In addition, since the hinge itself is not exposed, it is possible to prevent the occurrence of rust due to changes over time.
[0036]
Furthermore, since the hinge which is a structural part for connecting the door and the side wall does not appear, it is possible to prevent a theft crime in which the hinge is broken and the door is removed and the door is illegally opened.
[Brief description of the drawings]
FIG. 1 is a plan view showing a first embodiment of a hinge structure according to the present invention. FIG. 2 is a perspective view of the hinge structure. FIG. 3 is a perspective view for explaining the operation of the hinge. FIG. 5 is a plan view showing a second embodiment of the hinge structure according to the present invention. FIG. 6 is a perspective view of the hinge structure. FIG. 7 explains the operation of the hinge. FIG. 8 is a perspective view illustrating the operation of the hinge. FIG. 9 is a perspective view illustrating a conventional hinge. FIG. 10 is a perspective view of a track in which the hinge is used.
1 ... Hinge (first embodiment)
2 ... fixed wing body 3 ... shaft body 6 ... movable wing body 7 ... shaft body 10 ... first oscillating wing body 14 ... second oscillating wing body 18 ... connecting shaft 21 ... hinge (second embodiment) )
22 ... fixed wing body 23 ... shaft body 26 ... movable wing body 27 ... shaft body 30 ... first oscillating wing body 34 ... second oscillating wing body 38 ... coupling shaft 40 ... corner portion 51b ... side wall 52 ... Door 53 ... Open

Claims (1)

An end edge portion of a door (52) provided in an opening (53) orthogonal to the side wall (51b) and an end edge portion of the side wall (51b) serving as an edge portion of the opening (53) are connected, In the hinge structure that allows the door (52) to open and close approximately 270 degrees with respect to the opening (53),
Located at the corner of the opening formed by the side wall (51b) and the door (52),
A fixed wing body (22) fixed to an inner edge portion close to an inner surface of the door (52) at an edge portion of the side wall (51b);
A movable wing (26) fixed to an inner edge of the door (52) adjacent to the edge of the side wall (51b);
A first oscillating wing body (30) having one end pivotably coupled to the fixed wing body (22) via a shaft body (23);
One end is pivotably connected to the movable wing body (26) via a shaft body (27), and the other end is connected to the other end of the first oscillating wing body (30). A second oscillating wing body (34) coupled to each other via a rocker,
Equipped with,
The second oscillating wing body (34) is formed by a pair of pieces, and an elongated hole (36) through which the connecting shaft (38) is slidably formed is formed at the other end of the pair of pieces. And
The first oscillating wing body (30) and the second oscillating wing body (34) are configured such that the connecting shaft (38) for connecting each other is the other end of the first oscillating wing body (30). The other end of the second oscillating wing body (34) is slidably connected to the connecting shaft (38) in a direction perpendicular to the axial direction through the elongated hole (36). structure of hinges, characterized in that that.

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