JPH08310246A - Guannon door for cargo handling using extruded aluminum profile - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a gannon for cargo handling made of door members. [Composition] This cargo handling double door comprises a plurality of hollow door members 110, 120, 130 and 21 made of extruded aluminum.
Left and right door bodies 100 and 200 in which side end surfaces of 0, 220 and 230 are interconnected, a cover that closes upper and lower openings of the door member, and left and right frames on the container body side that are attached to one side of the door body Hinge metal fitting 18 connected to 330
0 and the door member 13 that constitutes the central side of the left and right door bodies
0, 230 are formed in the mating piece 138 and the mating recess 238, respectively, and any one of the door members 120, 220 is built in, and the locking rod 143 is movable in the vertical direction.
And an operation unit that faces the openings formed on the front surfaces of the door members 120 and 220 and that operates the locking rod. [Effect] Since there is no protrusion on the front surface of the door, it is used as a display surface for displaying store names, advertisements, etc., and it is a double door with excellent aesthetics and high impression.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gannon for cargo handling which is incorporated in a van, a wing type carrier, a refrigerating car, a marine container, etc., and has a structure in which a plurality of aluminum extruded shape members are mutually connected. .

[0002]

2. Description of the Related Art Truck vans, wing cars, marine containers, and the like are provided with a cargo handling door that is used for loading and unloading cargo. In a conventional gannon door provided, for example, at the rear of a van car, as shown in FIG. 1, the left and right doors 10 and 20 are rotatably attached to the left and right frames 12 and 22 on the vehicle body side by hinge mechanisms 11 and 21. ing. And, normally, it extends vertically with respect to each of the doors 10 and 20.
Book locking rods 13, 14 and 23, 24 are provided. The rods 13, 14 and 23, 24 are rotatably operated by the handles 15, 16 and 25, 26 respectively, and the locking protrusions 17, 18 and 27 provided on the upper side or the lower side of the vehicle body,
The engaging portions provided at the tips of the rods 13, 14 and 23, 24 are stopped at 28. When opened, the locking projections 17,1
8 and 27, 28 to each rod 13, 14 and 23, 2
The engaging portion 4 is disengaged, and the left and right doors 10 and 20 are opened. When closing, close the open doors 10 and 20,
Each of the rods 13, 14 and 23, 2 is operated by operating the handles 15, 16 and 25, 26 of the doors 10, 20 in the closed position.
4 corresponding locking projections 17, 18 and 27, 28
To be engaged. Thereby, the doors 10 and 20 are restrained in the closed state.

[0003]

As the door, a thick veneer plate with aluminum plates laminated on both sides is used. As a result, the wooden parts of the door may absorb moisture due to the intrusion of rainwater and the like, resulting in an increase in weight. The permeated water also causes corrosion of the wood part, rusting of metal fittings, etc. Moreover, since the hinge mechanism and the lock mechanism are exposed to the outside of the door, there is a portion where rainwater or the like collects, which promotes corrosion and rusting. The hinge mechanism and the lock mechanism exposed to the outside of the door also cause the appearance of the carrier, the container, etc. to be impaired. In particular, a company name, advertisement, etc. are often displayed on the rear part of a truck or the like, and if there is a protrusion such as a hinge mechanism or a lock mechanism on the rear part, the display itself is inferior in recognition. The present invention has been devised in order to solve such a problem, by assembling the door body by connecting aluminum extruded shape members having excellent corrosion resistance, and by incorporating a lock mechanism inside the door, It is an object of the present invention to provide a gannon door that has a flat surface to improve aesthetics and is excellent in durability.

[0004]

SUMMARY OF THE INVENTION In order to achieve the object, a cargo handling gannon door of the present invention has left and right door bodies in which side end surfaces of a plurality of hollow aluminum extruded members are interconnected. And a cover for closing the upper opening and the lower opening of the door member, hinge fittings attached to the left and right side portions of the door body and connected to the left and right frames on the container body side, and a central side portion of the door body. A mating piece and a mating recess respectively formed on the door member, a lock rod that is built into any one of the door members and is rotatable, and an opening window formed on the outer surface of the door member to look into and lock. An operating unit for operating the rod is provided. A pair of engagement projections is formed on the side end surface of the door member, and a pair of engagement projections is also formed on the opposing surface of the door member connected to the door member.
A wedge having a rhombic cross section is inserted into a rhombic space formed between the door members when the engaging protrusions are engaged with each other. A ridge is formed in the longitudinal direction on the peripheral surface of the wedge, and the ridges bite into the side end surface of the door member and the side surface of the engaging projection to firmly connect both door members. Among the engaging projections, the engaging projections located on the outer side in the meshed state are
A groove for draining water can be formed in the tip end surface that abuts the side end surface of the facing door member. Further, when the sealing agent is filled in the gap generated when the engaging protrusions are engaged with each other, the permeation of water is suppressed.

In the portion where the left and right doors are joined together, a mating piece is formed on the side surface of the door member that constitutes the side portion of one door body, and the mating piece corresponds to the door member that constitutes the side portion of the other door body. A mating recess is formed. Further, a locking projection and a locking portion for mounting the sealing packing are formed on the side end surface of the door member on which the mating piece is formed and on the mating piece. In the closed state in which the left and right doors are combined, the sealing packing comes into close contact with the side end surface of the door member forming the side portion of the other door and the matching recess, thereby forming a mating surface having high moisture permeation resistance. The upper and lower openings of the door member (aluminum extruded shape member) forming the door body are closed by a cover.
Similarly, this cover is also made of extruded aluminum, and has inner and outer clamping pieces extending in parallel at a gap corresponding to the thickness of the door body, a web connecting these clamping pieces, and an outer clamping piece. And an abutment piece continuously extending from. The inner sandwiching piece is mechanically fixed to the inner surface of the door body with a rivet or the like, and the outer sandwiching piece is bonded to the outer surface of the door body. The web and the abutting piece are also formed with locking portions for mounting the sealing packings. The seal packing is
With the door closed, it adheres to the upper and lower frames of the container body to prevent water from penetrating through the upper and lower gaps.

The hinge fitting is made of an extruded aluminum material having a sectional shape in which a substantially L-shaped arm portion is integrated from a rotating portion through a connecting portion. On the surface of the L-shaped arm portion facing the door body, a pair of engagement protrusions that mesh with a pair of engagement protrusions formed on the side end faces of the aluminum extruded shape members forming the side portions of the door body are formed. . These engaging parts also
Similarly, they are connected by wedges made of extruded aluminum having a rhombic cross section, and the gap is sealed by a packing for sealing. The hinge fitting is formed with a plurality of notches along the longitudinal direction of the rotating portion, and the brackets fixed to the left and right frames on the container body side are inserted into the notches. Then, by inserting the hinge shaft into the through hole provided in the rotating portion and the through hole provided in the bracket, the door body is pivotally attached to the left and right frames so as to be openable and closable. The connecting portion that connects the L-shaped arm portion and the rotating portion of the hinge metal member is obliquely crossed with a piece on the rotating portion side of the door opening L-shaped arm portion at an angle and a length such that the door opening angle is 270 degrees. There is.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a double door mounted on a container body provided on a truck bed will be described below with reference to the drawings. In the guannon door of this embodiment, a door body formed by combining a plurality of door members made of extruded aluminum is attached to the rear part of the vehicle body as shown in FIG. As the aluminum extruded shape member, a 6000 series aluminum alloy subjected to chemical conversion treatment such as alumite treatment is used.
In the example of FIG. 3 in which the door is removed from the vehicle body, the left door 100 is provided with four door members 110, 110, 120, 130.
Are assembled by joining. Similarly, the right door 200 is also assembled by joining four door members 210, 210, 220, 230. The solid lines in FIGS. 2 and 3 indicate the connecting surface of each extruded profile. The door members 120 and 220 have lock mechanisms 140 and 240 built therein.
The operation parts 141 and 241 of 240 are opening windows 142 and 242.
Looking from As the lock mechanisms 140 and 240,
The rod 14 is operated by the operation portions 141 and 241 as in the conventional case.
Locking protrusions (not shown) on the vehicle body side by rotating 3,243
A mechanism for engaging or disengaging with is adopted. Rod 14
For 3,243, stainless steel having excellent durability, corrosion resistance, strength, etc. is used. It is also possible to use electric ones as the lock mechanisms 140 and 240. As shown in FIG. 4, the door member 110 has a hollow cross section in which the thickness direction is connected by ribs at appropriate places, and includes engagement protrusions 111 to 114 on both sides. Engaging protrusions 111 to 11
4 extends in the longitudinal direction of the door member 110, that is, in the vertical direction in FIG.

The engaging projection 111 extends continuously from the surface of the door member 110, and has a water draining concave groove 115 on its side surface.
Are formed. The engagement protrusion 112 is provided at a position slightly retracted from the other surface of the door member 110, and its tip end portion is directed outward. The engagement protrusion 113 located on the opposite end face is provided at a position slightly retracted from the surface of the door member 110, and the tip end portion thereof is directed outward. The engagement protrusion 114 continuously extends from the other surface of the door member 110, and has a water draining recessed groove 116 formed in the front end side surface. The door member 120 also includes similar engaging protrusions 121, 122 and 123, 124 on the left and right side end surfaces. Further, in the door member 120, a space portion 128 through which the locking rod 143 is inserted is formed by ribs 129 and 129. Door member 13 that is fitted to the right door 200 in the closed state
No. 0 has similar engaging projections 131 and 132 formed on the one end surface, and the sealing packing 150 on the other end surface.
An engaging projection 137 for mounting the and a mating piece 138 are formed. The mating piece 138 is also formed with a locking portion 139 for mounting the sealing packing 151.

The right door 200 also has a structure in which door members 210, 210, 220 and 230 having the same structure are connected. However, for the door member 230 located on the center side,
A mating 238 corresponding to the mating piece 138 of the left door 100 is formed, and the side end surface 237 is flat. These door members are connected to each other by engaging the engaging projections on the side end faces. For example, door members 110 and 12
5A, the door member 120 is lengthened along the side end surface of the door member 110 in a state where the engaging protrusions 121 and 122 are engaged with the engaging protrusions 113 and 114, respectively. Slide in the direction. Between the door members 110 and 120 fitted together, the door members 110, 12
0 side end surface and engaging projections 113, 114, 121, 12
A rhombic space portion defined by two side surfaces is formed. The wedge 160 shown in FIG. 5B is inserted into the diamond-shaped space. The wedge 160 is a hollow extruded shape member having a contour similar to the rhombic space portion, and a plurality of protrusions 161 are formed in the longitudinal direction on the peripheral surface. In the state where the wedge 160 is inserted between the door members 110 and 120, the door members 110 and 120 are connected via the wedge 160 as shown in FIG. 5C. The ridge 161 of the wedge 160 is the door member 11
0, 120 side end surface and engaging projections 113, 114, 12
By digging into the side surface of 1,122, the door member 110
And 120 are firmly connected.

As shown in the enlarged view of FIG. 5D, in the connecting portion, the tip of the engaging projection 121 is fitted in the concave portion of the engaging projection 113, and the engaging projection 114 is fitted in the concave portion of the engaging projection 122. The connection structure is such that the tip is fitted. Here, the engagement protrusion 1
The engaging projections 113, 114, 12 are formed so that a slight gap is formed between the concave portion of the engaging projection 121 and the tip of the engaging projection 121, and between the concave portion of the engaging projection 122 and the tip of the engaging projection 114.
Design the shape of 1,122, seal material 153 in the gap
And 154. Further, the draining grooves 116 and 125 are located on the mating surfaces of the door members 110 and 120.
Therefore, permeation of moisture through the connecting portion is prevented from the outside to the inside of the assembled door 100, 200. In this manner, the left door 100 is assembled as shown in FIG. 5E by connecting the door members 110, 110, 120, 130 via the water-impervious connection portion. Similarly, the right door 200 also has door members 210, 210, 2
It is assembled by connecting 20,230. Wedge 160
The connection using (1) has a connection strength comparable to that of welding and does not generate welding marks or the like that deteriorate the surfaces of the door members 110 and 120. Further, the door members 110 and 120 are not deformed and the insertion of the rods 143 and 243 is not hindered as compared with the connection using through bolts. Further, the door member 1 made of a rigid extruded shape member 1
Since the main body 10 and the main body 120 are connected to each other, the door bodies 100 and 20
Only by providing a pair of locking rods 143 and 243 for 0, a sufficient locking action is exhibited.

On the mating surfaces of the left and right doors 100 and 200, the mating piece 138 on the left door 100 side is arranged on the right door 20 as shown in FIG.
It faces the mating recess 238 on the 0 side. And the door member 23
The leg portion 152 of the sealing packing 150 is pressed against the side end surface of 0, and the leg portion 152 of the sealing packing 151 is pressed against the surface of the mating recess 238. Thereby, in the state where the left and right doors 100 and 200 are closed, the permeation of water through the mating surfaces is prevented. Door members 110, 120, 1
The hollow portions of the extruded shape members 30 and 210, 220, and 230 are open on the upper and lower surfaces. In order to close this opening, a cover 170 as shown in FIG. 7 is attached to the upper surface and the lower surface of the left door 100. A similar cover 270 is attached to the right door 200. As shown in FIG. 7B, the cover 170 has sandwiching pieces 171 and 17 extending in parallel with a gap corresponding to the thickness of the door members 110, 120 and 130.
It is an extruded shape member having an integral structure in which 2 are connected by a web 173. The sandwiching piece 171 located inside is fixed to the inner surface of the door member 110, 120, 130 with a rivet 174 in order to attach the cover 170 with a predetermined strength. In order to improve the appearance, the sandwiching piece 172 positioned on the outer side is covered with the adhesive 175 filled in the space to close the door members 110, 120 ,.
130 is bonded to the outer surface.

A contact piece 176 extends in a straight line from the outer holding piece 171. Web 173 and contact piece 176
Locking portions 177 and 178 to which the seal packings 155 and 156 are respectively attached are formed on the base plate. The legs 157 of the sealing packings 155 and 156 are pressed against the surface of the vehicle-body-side upper frame 310 when the door 100 is closed. As a result, the upper part and the lower part of the door 100 come into close contact with the vehicle body side. Similarly, the lower portion of the door 100 also closely contacts the vehicle body side lower frame 320. A hinge fitting 180 made of extruded aluminum having a sectional structure shown in FIG. 8A is fixed to a side portion of the door 100. Through hole 1 into which hinge shaft 190 (see FIG. 9) is inserted in hinge fitting 180
It has a rotating part 182 in which 81 is formed, and a substantially L-shaped arm part 183 from the rotating part 182 has a sectional structure extending from the rotating part 182. Engagement portions 184 and 185 are formed on each of two inner sides of the arm portion 183. Seal packings 158 and 159 are attached to the locking portions 184 and 185 as shown in FIG. 8B. Arm part 18
3, engagement protrusions 186 and 187 are formed on the surface of the door 100 facing the door member 110. A water drain groove 188 is formed on the tip end surface of the engagement protrusion 187.

The engagement protrusions 186 and 187 mesh with the engagement protrusions 111 and 112 of the door member 110 that forms the side portion of the door 100. Therefore, when the wedge 160 is inserted between the door member 110 and the hinge fitting 180, as in the case where the door members 110 and 120 are connected, the hinge fitting 180 is connected to the door 100 by the water-proof connection part. It Seal packings 158 and 159 mounted on the hinge fitting 180
Are pressed against the front surface and the side surface of the vehicle body side left frame 330 when the door 100 is closed. As a result, the leg portions of the sealing packings 158 and 159 are connected to the vehicle body side left frame 33.
No. 0 is closely attached to the front surface and the side surface of No. 0, and water permeation through the gap between the door 100 and the vehicle body side left frame 330 is prevented.

As shown in FIG. 9A, the hinge fitting 180 has a plurality of notches 189 at appropriate intervals along the longitudinal direction.
Is formed on the rotating portion 182. Notch 189 has
Bracket 331 fixed to the vehicle body side left frame 330
Is inserted. The brackets 331, 331, ... Are fixed by welding or the like in the vertical direction of the vehicle body side left frame 330 at appropriate intervals, and through holes 332 through which the hinge shaft 190 is inserted are formed. The notch 18 corresponding to the brackets 331, 331, ... Via the washer 333
., And the hinge shaft 190 is inserted into the through hole 181 and the through hole 332 as shown in FIG. 9B. Accordingly, the door 100 is pivotally attached to the vehicle body side left frame 330 so as to be openable and closable about the hinge shaft 190. The right side door 200 is also pivotally attached to the vehicle body side right frame 340 (see FIG. 2) by a similar hinge mechanism.

From the rotating portion 182 of the hinge fitting 180 to the arm portion 183, as shown in FIG.
A connecting portion 191 that obliquely intersects with is integrally provided. With this connecting portion 191, the opening angle of the door 100 can be set to 270 degrees. That is, when the door 100 is fully opened, the door 100 is opened to the side surface of the vehicle body. Therefore, luggage can be loaded and unloaded with the doors 100 and 200 temporarily fixed to the side of the vehicle body.
0,200 will not hinder loading and unloading work or walking by passersby. As is clear from the comparison between FIG. 1 and FIG. 2, the gannon door described above has a lock mechanism 140,
Since 240 is built in the doors 100 and 200, the door 1
The front of 00, 200 has a clean appearance with no protrusions. Therefore, the distinguishability of the store name and advertisement displayed on the front of the doors 100 and 200 becomes remarkable, and the vehicle itself also has an excellent appearance. Also, the doors 100, 20
Since the sealing mechanism is applied to each part of 0, the door 100,
There is no moisture penetration from the outside to the inside of the 200, and the loaded luggage can be protected surely. Moreover, the doors 100 and 200
Since the door itself is made of a material excellent in corrosion resistance, strength and lightness, it is not only suitable for a vehicle or the like that requires reduction in fuel consumption, but also maintains an excellent aesthetic appearance for a long period of time.

[0016]

As described above, since the double door of the present invention is composed of the left and right doors in which the door members are connected, it is compared with the conventional door in which the aluminum plate is attached to the wooden body. Thus, it is lightweight and has excellent durability, which is suitable for vehicles and the like that require a reduction in fuel consumption. Moreover, since there is no protrusion on the front surface of the door, it is possible to display the store name, advertisement, etc. on the surface of the door with high distinguishability. Further, since the door is opened to the side surface of the vehicle body, loading and unloading work is facilitated without obstructing the passage of pedestrians.

[Brief description of drawings]

FIG. 1 is a conventional double door installed in the rear part of a vehicle.

FIG. 2 is a gannon door according to an embodiment of the present invention provided on a rear portion of a vehicle.

FIG. 3 is a double door of the embodiment of the present invention shown in a state of being removed from the vehicle body.

[Figure 4] Disassembled cross section of door

FIG. 5 is a state (c) in which the door member (a) of the left door is connected by a wedge (b), an enlarged cross section (d) of the connecting portion, and a door (e) in which the door members are connected.

[Fig. 6] Mating surfaces of left and right doors

FIG. 7 is an overall view (a) showing the positional relationship of the door with respect to the upper and lower frames on the vehicle body side and an enlarged view of the contact portion (b).

FIG. 8 shows a hinge metal fitting (a) for connecting the left door to the vehicle body side left frame, a hinge metal fitting (b) equipped with a seal packing, and a connecting portion for connecting the left door to the vehicle body side left frame via the hinge metal fitting. Section (c)

FIG. 9 is an exploded perspective view (a) and a front view (b) showing the positional relationship between the hinge fitting and the vehicle body side left frame.

[Explanation of symbols]

110, 120, 130, 210, 220, 230: Door members 111-114, 12 made of aluminum extruded shape members
1-124, 131, 134: Engaging projections 115, 1
16, 125, 126: Drain groove 128: Space portion 129: Rib 137: Locking protrusion 138:
Matching piece 139: Locking portion 140, 240: Locking mechanism 141, 241: Operating portion 142, 242:
Opening windows 143, 243: rods 150, 151, 155
156, 158, 159: Seal packing 15
2, 157: Legs 153, 154: Sealant 160: Wedges 161: Ridges 170: Covers
171, 172: Clamping piece 173: Web 17
4: Rivet 175: Adhesive 176: Contact piece
177, 178: Locking part 180: Hinge fitting
181: Through hole 182: Rotating part 183: Arm part 184, 18
5: Locking part 186, 187: Engagement protrusion 188:
Drain groove 190: Hinge shaft 191: Connection portion 237: Side end surface 238: Aligning recess 310: Vehicle body upper frame 320: Vehicle body lower frame 330: Vehicle body left frame 331: Bracket 332: Through hole 333: Washer 340: Body side right frame

Claims (12)

[Claims] 1. A left and right door body in which side end faces of a plurality of door members made of hollow aluminum extruded shape are connected to each other, a cover for closing an upper opening and a lower opening of the door member, and left and right sides of the door body. Any one of a hinge member attached to a side portion and connected to the left and right frames on the container body side, a fitting piece and a fitting recessed portion formed on a door member forming a central side portion of the door body, and the door member. Outside of the door body, which is equipped with a rotatable locking rod and an operating portion for operating the locking rod by looking into an opening window formed on the outer surface of the door member. Kannon door for cargo handling with no protrusions on the surface. 2. A pair of engaging projections formed on side end surfaces of the door member, a pair of engaging projections formed on opposite surfaces of the door member connected to the door member, and the engaging projections. A wedge having a rhombic cross section that is inserted into a rhombic space formed between both door members when combined, and a protrusion formed on the peripheral surface of the wedge has a side end surface of the door member and the engagement. The cargo door for use in cargo handling according to claim 1, wherein both door members are connected by biting into the side surface of the projection. 3. The engaging projection according to claim 2, wherein the engaging projection located on the outer side in the meshed state is formed with a groove for draining water on the tip end surface that abuts the side end surface of the facing door member. Guan Yin door for cargo handling. 4. A double-handed door for cargo handling, wherein a sealant is filled in a gap between the engagement projections generated when the engagement projections according to claim 2 or 3 are engaged with each other. 5. A locking projection and a locking portion formed on the side end surface of the door member on which the mating piece according to claim 1 is formed and the mating piece, and a seal mounted on the locking projection and the locking portion. And a packing for use in a closed state in which the left and right doors are combined, the sealing packing is pressed against a side end surface of a door member that constitutes a side portion of the other door and a fitting recess. 6. The cover according to claim 1, wherein the inner sandwiching piece and the outer sandwiching piece extend in parallel at a gap corresponding to the thickness of the door body, a web connecting these sandwiching pieces, and an outer sandwiching piece. And a contact piece extending in a vertical direction, the inner sandwiching piece is mechanically fixed to the inner surface of the door body, and the outer sandwiching piece is bonded to the outer surface of the door body. 7. A seal packing formed on each of the web and the contact piece according to claim 6, and a seal packing attached to the lock portion, wherein the seal packing is provided in a state where a door is closed. The gannon door for cargo handling, in which the container closely adheres to the upper and lower frames of the container body. 8. The hinge fitting according to claim 1 is made of an aluminum extruded shape member having a cross-sectional shape in which a substantially L-shaped arm part is integrated from a rotating part through a connecting part, and A cargo handling gannon having a pair of engaging projections formed on the surfaces of the opposing L-shaped arm portions that engage with a pair of engaging projections formed on the side end surfaces of the door members that form the side portions of the door body. . 9. A diamond-shaped cross section is formed in a diamond-shaped space formed between the door member and the hinge fitting in a state where the engaging projection on the door member side and the engaging projection on the hinge fitting side according to claim 8 are engaged with each other. A wedge for inserting cargo which is connected to the door member and the hinge metal fitting by the protrusion formed on the peripheral surface of the wedge biting into the side end surface of the door member and the hinge metal fitting and the side surface of the engaging projection. door. 10. The hinge fitting according to any one of claims 1, 8 and 9, further comprising: a locking portion formed on an inner surface of the L-shaped arm portion, and a seal packing attached to the locking portion. And a door for closing, wherein the sealing packing is in close contact with the left and right frames on the container body side. 11. The hinge fitting according to any one of claims 1, 8, 9 and 10, wherein a plurality of notches are formed along the longitudinal direction of the rotating portion and fixed to the left and right frames on the container body side. The bracket is inserted into the cutout, and the hinge shaft is inserted through the through hole provided in the rotating portion and the through hole provided in the bracket, so that the door main body can be pivotally attached to the left and right frames. Guan Yin door for cargo handling. 12. The coupling fitting for cargo handling according to claim 8, wherein the angle and length such that the door opening angle is 270 degrees are obliquely crossed to the rotating side piece of the door opening L-shaped arm portion. .