JPH04102226U - folding container - Google Patents

Abstract

(57) [Summary] [Purpose] To enable even large containers to be easily assembled with less manpower and to ensure shape retention. [Configuration] Side wall plates 2a, 2b, 2c, 2 are placed around the four circumferences of the bottom plate 1.
d are rotatably connected and can be raised and lowered. When assembling, first erect the side wall plates 2c and 2d on both sides.
Next, the user stands on the bottom plate 1, stands up the side wall plate 2b, and operates the slide locking tool 20 of the locking means C from the inner side to lock the side wall plate 2b and the side wall plates 2c and 2d on both sides. Next, the side wall plate 2a is erected on the front side of the bottom plate 1, and the side wall plate 2
The slide locking tool 20 of the locking means C is operated from the outer surface side of a to lock the side wall plate 2a and the side wall plates 2c and 2d.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is suitable for cases such as beer and soft drinks, draft beer barrels, and moving cargo. It relates to large folding containers used to store items such as goods. .

0002

[Conventional technology]

A conventional folding container is disclosed in Japanese Utility Model Publication No. 55-36346. There are things to do. As shown in Fig. 18, four side wall plates b, c, By rotatably connecting the lower ends of d and e, the four side wall plates b, c, d, and e can be raised and lowered. There is. Then, when the side wall plates b, c, d, and e are assembled in an upright position, the adjacent side wall plates The shape is maintained by connecting them with a connector f.

0003

[Problem that the idea aims to solve]

In the case of such a conventional example, adjacent side wall plates are connected by a connector f to maintain their shape, but All connectors f are connected by covering the outer surface, so it is not suitable for large containers. In some cases, there is a problem that assembly cannot be done by one person. In other words, for large containers , because side wall plates b, c, d, and e are heavy, stand up the side wall plates one by one by standing on bottom plate a. With the conventional structure, there is one person on the bottom plate a. A worker stands on the side wall plate, and another worker operates the connector outside of the bottom plate a. There is a problem in that it requires a lot of labor to assemble. Also in series There is also a problem in that it is not possible to easily operate the connection using a knot.

0004 This invention was made in view of the above problems, and the purpose of this invention is Even large containers can be assembled easily and reliably with less manpower. To provide a foldable container that can retain its shape.

[0005]

[Means to solve the problem] In order to achieve the above object, the folding container A of the present invention has a rectangular bottom plate 1 with four circumferences. The side wall plates 2a, 2b, 2c, 2d are rotatably connected to the side wall plates 2a, 2b, 2c. , 2d can be freely raised and folded, and the front side wall plate 2a is placed on the bottom plate 1 in a folded state. In a folding container, stack the side wall plate 2b on the back side, and the side wall plates 2c and 2d on both sides in this order. In the assembled state, there is a gap between the side wall plate 2b on the back side and the side wall plates 2c and 2d on both sides. and the side wall plates 2c and 2d on both sides and the side wall plate 2a on the front side are connected by a locking means C. , a slide lock device in which this locking means C is slidably attached to one side wall plate. 20 and provided on the other side wall plate in order to lock the locking part 24 of the slide locking tool 20. A locking hole between the side wall plate 2b on the back side and the side wall plates 2c and 2d on both sides. In the locking means C, the operation part 22 for slidingly operating the slide locking tool 20 is mounted on the side wall plate. A lock between the front side wall plate 2a and the side wall plates 2c and 2d on both sides is exposed on the inner side. In the locking means C, the operation part 22 for slidingly operating the slide locking tool 20 is exposed on the outside. I let it out.

[0006]

[Effect]

When assembling the folding container A, the side wall plates 2c on both sides of the bottom plate 1, 2d, stand the side wall plate 2b on the back side on the bottom plate 2, and insert the slide from the inner side of the side wall plate 2b. Slide the slide lock tool 20 by operating the operating section 22 of the ride lock tool 20. and lock the side wall plates 2c on both sides. 2d and the side wall plate 2b on the back side, and then Step down from the top of the bottom plate 1, stand up the front side wall plate 2a on the front side, and touch the outer surface of the side wall plate 2a. Operate the operating section 22 from the side to slide and lock the slide locking tool 20. The side wall plates 2c and 2d on both sides and the side wall plate 2a on the front side can be connected. For this reason folding Even if folding container A is heavy, folding container A can be assembled by one person. Wear. When folding container A is assembled, lock it with locking means C to maintain its shape. Wear. In addition, locking with the locking means C is only possible by sliding the slide locking tool 20. It can be easily locked.

[0007]

【Example】

The folding container A has a rectangular bottom plate 1 and a bottom plate 1, as shown in FIGS. 1 to 7. It is shaped like a square box with an open top surface using four side wall plates 2a, 2b, 2c, and 2d provided around the four sides. It is formed. This foldable container A is made of a material such as synthetic resin. It is also a large and tall container. For example, the left and right width is 12 The dimensions are approximately 75 mm, depth and width of 1040 mm, and height of 1340 mm.

[0008] There is a fork on the bottom side of the bottom plate 1 into which the fork of a forklift can be inserted. A lock insertion portion 7 is provided. The top of the bottom plate 1 is placed on the back side edge of the four circumferences of the bottom plate 1. A rising wall 8 is erected so that the height is higher than the surface, and the wall 8 is erected on both the left and right sides of the bottom plate 1. A rising wall 9, which is taller than the above-mentioned rising wall 8, is erected at the edge of the wall. The front side wall plate 2a is formed by support walls 10 on both sides and a front door wall 5. , the front door wall portion 5 is composed of an upper and lower front door 5a and a lower front door 5b. support The wall portions 10 are rotatably mounted on both left and right sides of the front edge of the bottom plate 1, and the support wall portions 1 0 can be raised and lowered freely between the state where it stands vertically and the state where it is stacked on the bottom plate 1. . Engagement claws 11 constituting one of the engagement means B are provided on the upper and lower sides of the support wall portion 10. There is. The lower end of the upper front door 5a and the upper end of the lower front door 5b are rotatably connected to each other by a shaft 12. The upper front door 5a and the lower front door 5b can be folded in half. front The lower end of the lower door 5b can be freely rotated by a shaft 13 at the front edge of the bottom plate 1 between the support walls 10. The lower front door 6 can be raised and lowered freely. Also, the front upper door 5a and the front An engagement hole 14 constituting the other side of the engagement means B is provided in the bottom door 5b, and When the door 5 or the lower front door 6 is in an upright position, the engagement claw 11 of the support wall 10 is inserted into the engagement hole 14. It is designed to lock.

[0009] The lower end of the side wall plate 2b on the back side stands up on a shaft 15 and is rotatably connected to the upper end of the wall 8. The side wall plate 2b is horizontal on the bottom plate 1 and the side wall plate 2b is vertically erected. It can be raised and lowered freely between states. Engagement step portions 16 are provided on both sides of this side wall plate 2b. is provided. The side wall plates 2c and 2d are arranged on both left and right sides of the bottom plate 1. The lower ends of c and 2d are rotatably connected to the rising edge 9 by a shaft 4, and the side wall plate 2 c and 2d can be raised and lowered between horizontally and vertically. . The part that rotatably connects the side wall plates 2c and 2d is the center of rotation between the elongated hole 3 and the shaft 4. can be moved up and down. In this embodiment, horizontally at the lower ends of the side wall plates 2c and 2d. A shaft 4 is installed, and the shaft is inserted into a long hole 3 formed vertically in a rising wall 9. 4 is inserted so that it is rotatable and movable up and down. side wall plates 2c, 2d An engaged stepped portion 17 is provided on the back side, and serves to raise the side wall plates 2c, 2d and the side wall plate 2b. In the upright state, the engaging step portion 16 and the engaged step portion 17 engage, and the upright state is maintained. It looks like this. Also between the side wall plates 2c and 2d on both sides and the side wall plate 2b on the back side. They are engaged by an engagement means B consisting of an engagement claw 11 and an engagement hole 14.

0010 Engagement holes 14 are provided on the front sides of the side wall plates 2c and 2d to allow the support wall 10 to be raised. In the upright state, the engagement claw 11 is engaged with the engagement hole 14, and the support wall portion 10 and the side wall plate 2c, The standing state of 2d is maintained. In addition, between the front upper door 5a and the front lower door 5b of the front door wall portion 5 and the support wall portion 10, Between the wall portion 10 and the side wall plates 2c and 2d on both sides, and between the side wall plates 2c and 2d on both sides and the back side. A locking means C locks the space between the wall plate 2b and the wall plate 2b. This lot The locking means C is a slide locking device 20 provided on one side of adjacent members and a slide locking device 20 provided on the other member. The main body is composed of a locking hole (not shown). The slide locking tool 20 is shown in Figure 1. 4. As shown in Fig. 15, it is installed inside the slide recess 21 so that it can slide freely. A handle portion 22 of the slide locking tool 20 is exposed at the front opening of the side recess 21. A guide cylinder 23 is provided at the side opening of the slide recess 21, and a slide locking tool is provided. 20 locking portions 24 are slidably inserted into the guide cylinder 23, and the locking portions 24 are It is guided by a guide tube 23 to move in and out. Slide lock tool 2 0 is provided with a spring piece 25 for positioning in the center and spring pieces 26 for preventing detachment on both sides. The positioning spring piece 25 is provided with a positioning protrusion 25a to prevent it from coming off. The stop spring piece 26 is provided with a detachment prevention protrusion 26a. Back side of slide recess 21 A positioning step 27a and a positioning recess 2 are provided to correspond to the positioning protrusion 25a. 7b, and a detachment prevention stepped portion 28 is provided to correspond to the detachment prevention protrusion 26a. It is written. 14(a), FIG. 15(a), and FIG. 16(a) are in the locked state, A locking portion 24 is made to protrude from the guide tube 23 and serves as a locking hole. this In this state, the positioning protrusion 25a is locked to the positioning step 27a, and the slide locking tool 2 is locked. 0 does not move. FIG. 14(b), FIG. 15(b), and FIG. 16(b) are In the unlocked state, the locking portion 24 is housed in the guide tube 23, and the locking portion 24 is in the guide tube 23. 4 is out of the locking hole. In this state, the positioning protrusion 25a is aligned with the positioning recess 27. b is locked and positioned, and the detachment prevention protrusion 26a is engaged with the detachment prevention step portion 28. The slide locking tool 20 is locked to prevent it from coming off. both When providing the locking means C between the side wall plates 2c and 2d on the side and the side wall plate 2b on the back side The operating portion 22 of the slide locking device 20 is provided so as to be exposed on the inner surface of the side wall plate 2b. be. Between the front upper door 5a of the front door wall 5, the front lower door 5b and the support wall 10 and the support When providing the locking means C between the holding wall portion 10 and the side wall plates 2c and 2d on both sides, A slide locking device 20 is installed on the outer surface of the support wall 10, the upper front door 5a, and the lower front door 5b. It is provided so that the working part 22 is exposed.

[0011] Next, the operation of the folding container A configured as described above will be explained. folding container It is used to store and transport goods by assembling Tena A into a square box. However, the assembly is done as follows. First, for bottom plate 1 The left and right side wall plates 2c and 2d are vertically erected. At this time, the side wall plates 2c, 2 When d is erected, the side wall plates 2c and 2d stand on their own so that they do not fall down. Then the bottom plate 1, the side wall plate 2b is erected, and the engaging step portion 16 and the engaged step portion 17 are engaged. will be combined. At this time, the engagement claw 11 of the engagement means B and the engagement hole 14 are engaged, and the engagement and is locked by operating the slide locking tool 20 of the locking means C. child At this time, while riding on the bottom plate 1, slide the locking tool 20 from the inner surface of the side wall plate 2b. It is locked by sliding the button. Next, it is located in front of the bottom plate 1, and the front side wall The support wall portion 10 of the plate 2a is erected. At this time as well, the engaging claw 11 of the engaging means B engages with the engaging claw 11 of the engaging means B. The hole 14 is engaged and connected, and the slide locking tool 20 of the locking means C It will be locked if you operate it. Next, the front upper door 5a of the front door wall portion 5 is folded in two, and the front The lower door 5b is unfolded and erected. At this time as well, the engaging claw 11 of the engaging means B engages with the engaging claw 11 of the engaging means B. The hole 14 is engaged and connected, and the slide locking tool 20 of the locking means C It will be locked if you operate it. The above locking means C locks on the front outer surface of the bottom plate 1. This is done by sliding the slide lock tool 20 from the top.

0012 In this way, goods are stored in the assembled state of folding container A. , If necessary, insert the fork of the forklift into the fork insertion part 7. The items will be moved by forklift to the storage area. Where items are stored As shown in Figure 8, the front upper door 5a and the front lower door 5b are folded outward and folded in half. You can open the front opening or fold down only the upper front door 5a as shown in the imaginary line in Figure 8. The front opening is opened by overlapping the lower door 5b. At this time, the support wall 10, fold the upper front door 5 and lower front door 5b in half as shown in the solid line in Figure 8. The side wall plates 2c and 2d are held so as not to spread even if Open front opening Items are stored inside in this state, and the front upper door 5a and front lower door 5b are raised to open the front The mouth is blocked. Then insert the fork of the forklift into the fork insertion part 7. Collapsible container A containing goods was moved by a forklift and transported to a truck. It is loaded onto racks and transported.

[0013] Also, when no items are stored in foldable container A, it is folded as shown below. . First, as shown in FIG. 9, unlock the locking means C and open the front upper door 5a and the front lower door. 5b is folded in half and turned inward to be stacked on the bottom plate 1, and the support wall portion 10 is stacked on the bottom plate 1. Next, the locking means C is unlocked and shown in FIG. As shown, the rear side wall plate 2b is folded down and the side wall plate 2b is stacked on top of the front upper door 5a. It will be done. At this time, the center of rotation of the side wall plate 2b is aligned with the front upper door 5a at the rising wall 8. Since the height is equal to the sum of the thickness of the bottom door 5b, the side wall plate should be placed parallel to the bottom plate 1. 2b is defeated. Next, one of the left and right side wall plates 2c and 2d is the side wall plate 2c. It is laid down and stacked on board 2b. At this time as well, the side wall plate 2b is fixed on the rising wall 9. Since the rotation center of the side wall plate 2c is higher than the rotation center by the thickness of the side wall plate 2b, the side wall plate 2c is stacked horizontally. Next, as shown in FIGS. 11 and 12, the other side wall plate 2d is brought down and the side wall plate 2d is stacked on the side wall plate 2c. At this time, the side wall plate 2d As the shaft 4 moves upward along the elongated hole 3 and the center of rotation moves upward, the side wall plate 2c A side wall plate 2d is stacked on top of the bottom plate 1 so as to be parallel to the bottom plate 1. side wall plates 2c, 2d When folding it down, the center of rotation of both the left and right side wall plates 2c and 2d is at the top through the long holes 3. Since it can be moved downward, first knock down the side wall plate 2d, then knock down the side wall plate 2c. The side wall plates 2c and 2d can also be folded so that they are parallel to the bottom plate 1. In other words It can be folded in the same way regardless of which of the side wall plates 2c and 2d is folded down first. child A large number of folding containers A are loaded as shown in Figure 13. stored or transported.

[0014]

[Effect of the idea]

The folding container of this invention is assembled with the back side wall plate and both sides as described above. and the side wall plate on both sides and the front side wall plate using locking means. , this locking means is a slide lock tool that is slidably attached to one side wall plate. , and a locking hole provided in the other side wall plate to lock the locking part of the slide lock tool. The locking means between the rear side wall plate and both side wall plates is a slide locking device. The operation part that slides is exposed on the inner surface of the side wall plate, and it is attached to the front side wall plate and both sides. The locking means between the side wall plate and the side wall plate has an operation part for sliding the slide locking device It is exposed on the outside, so when assembling the folding container, make sure that it is not facing the bottom plate. Stand up the side wall plates on both sides, stand up the back side wall plate on the bottom plate, and insert it from the inner side of the side wall plate. Operate the operation part of the slide lock tool to slide and lock the slide lock tool. Connect the side wall plates on both sides and the side wall plate on the back side, then get down from the bottom plate and connect the side wall plates on the front side. Raise the front side wall plate and operate the operation section from the outside of the side wall plate to open the slide lock. You can connect the side wall plates on both sides and the front side wall plate by sliding and locking the bracket. Even if the folding container is large and heavy, the folding container is Foldable containers that can be assembled by humans and do not require human labor Moreover, the collapsible container can be locked and stored with the locking means in the assembled state. The locking means can be locked by sliding the slide locking device. It can be easily locked and unlocked with just one operation.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a front view of the same as above.

FIG. 3 is a plan view of the same as above.

FIG. 4 is a rear view of the same as above.

FIG. 5 is a side view of the same as above.

FIG. 6 is a sectional view taken along line XX in FIG. 5;

FIG. 7 is a sectional view taken along the line Y-Y in FIG. 2;

FIG. 8 is a perspective view of the same as the above with the front side opened.

FIG. 9 is a perspective view showing the folding procedure of the same as above.

FIG. 10 is a perspective view showing the folding procedure of the same as above.

FIG. 11 is a perspective view showing the folding procedure of the same as above.

FIG. 12 is a front view of FIG. 11;

FIG. 13 is a front view of the folding containers same as above in a stacked state.

FIG. 14 is a diagram showing the locking means same as above, (a)
is a front view in a locked state, (b) is a front view in an unlocked state, and (c) is a side view.

FIG. 15 is a diagram showing the locking means same as above, (a)
(b) is a cross-sectional view in a locked state, and (b) is a cross-sectional view in an unlocked state.

16 is a cross-sectional view taken at a different position from FIG. 15, in which (a) is a cross-sectional view in a locked state, and (b) is a cross-sectional view in an unlocked state.

FIG. 17 is a perspective view of the slide locking tool same as above,
(a) and (b) are views from different directions.

FIG. 18 is a perspective view of a conventional example.

[Explanation of symbols]

1 Bottom plate 2a Front side wall plate 2b Back side wall plate 2c, 2d Side wall plates on both left and right sides C Lock means 20 Slide lock tool 22 Operation section 24 Locking part

Claims (1)

[Scope of utility model registration request] Claim 1: A side wall plate is rotatably connected to the four circumferences of a rectangular bottom plate, so that the side wall plate can be raised and folded, and in a folded state, a front side wall plate, a rear side wall plate, and a side wall plate on both sides are placed on the bottom plate in a folded state. In a folding container in which side wall plates are stacked in order, in an assembled state, the rear side wall plate and both side wall plates are connected by a locking means, and the both side wall plates and the front side wall plate are connected by a locking means,
This locking means is composed of a slide locking device slidably attached to one side wall plate, and a locking hole provided in the other side wall plate for locking the locking part of the slide locking device, and In the locking means between the plate and the side wall plates on both sides, an operation part for sliding the slide locking device is exposed on the inner surface side of the side wall plate, and in the locking means between the front side wall plate and the side wall plates on both sides, the sliding A folding container with an operating section that slides the locking device exposed on the outside.