JPH0226823Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a container used for transporting or transporting products.

[Prior Art] The present applicant previously disclosed in the application for utility model registration "Container" dated August 2, 1985 that the through-holes formed in the hanging parts of each frame and the through-holes formed in the resin corrugated board We proposed a container formed by inserting fixing pins and integrating a frame and a resin corrugated board. The fixing pin of the container prevents the fixing pin from coming off by engaging the hanging portion when the protrusion integrally molded on the shaft is press-fitted into the through hole. ing.

[Problems to be solved by the invention] However, in the conventional container described above, since the head of the fixing pin is located on the outer or inner surface of the frame, when the containers are stacked, some parts of other containers may The protrusion that entered between the head of the fixing pin and the hanging part and engaged with the hanging part was elastically deformed and easily escaped from the frame and the resin corrugated board. If some of the fixing pins were removed, the strength of the container deteriorated, and the products could not be accommodated in the desired condition during transportation or conveyance.

[Purpose of the invention] The purpose of the invention is to improve the conventional container described above, and to provide a container that can maintain the strength of the container by effectively preventing the fixing pins that integrate the frame and the resin corrugated board from coming off. It is about providing.

[Means for solving the problem] Therefore, the present invention consists of a rectangular resin corrugated board cut out with a width corresponding to the depth of the box in which each corner is formed, and each side edge A box body in which a large number of through holes are formed at predetermined intervals in the longitudinal direction, and each side edge is bent upward at a position corresponding to the depth of the box, and the box body It has a rectangular frame shape with a size corresponding to the size of the box, and has a planar support step and hangs downward at a predetermined interval in the longitudinal direction on the outside of the support step, and is provided on the side edge of the box body. a fixed wall portion having a through hole that coincides with the through hole and a large diameter protrusion on a side surface corresponding to the periphery of the through hole, hanging downward so as to be continuous in the longitudinal direction inside the support step portion; A frame having an inverted U-shape in cross section and having a hanging portion with a large number of shaft supports on the inner surface that coincides with the through hole in the outer side wall, and a through hole provided in the side edge of the box body and a frame. When inserted into the through hole provided in the fixed wall part, the shaft head is located in the large diameter part, a part of the shaft part is on the inner surface of the fixed wall part, and the shaft tip is attached to the shaft of the hanging part. The container is characterized by comprising fixing pins that each engage with the branch in a non-protruding state.

[Operation of the device] Since the present invention is configured as described above, after the upper side edge of the box body bent into a box shape is engaged between the hanging portion and the fixed wall portion, the fixed wall portion When the fixing pin is inserted through the respective through-holes at the top of the side edge, a part of the shaft of the fixing pin is attached to the inner surface of the fixing wall, and the axial end is attached to the shaft support of the hanging part. are engaged with each other. At this time, the tip of the shaft of the fixing pin that is engaged with the shaft support of the hanging part does not protrude from the inner surface of the hanging part, so it may get in the way when storing the product or damage the product. is avoided. Further, since the shaft head of the fixing pin is located within the large diameter portion, the fixing pin is prevented from slipping out, and the fixed state between the frame and the box body can be stably maintained.

[Example] Hereinafter, the present invention will be explained according to examples.

In FIG. 1 showing an outline of the container according to the present invention, FIG. 2 showing a longitudinal section taken along the line A-A in FIG. 1, FIG. 3 showing a fixing pin, and FIG. The container 1 is composed of a frame 3, a box body 5, and a fixing pin 7, and the frame 3, the box body 5, and the fixing pin 7 are made of the same synthetic resin, such as polypropylene resin or ABS resin.

The frame 3 has a rectangular frame shape, and a flange portion 11 extending outward in a planar manner with a predetermined width is integrally molded above the support step portion 9 on each side of the frame. Furthermore, a hanging portion 13 is integrally molded on the inner lower side of the support step portion 9 . A large number of hooking recesses 15 are formed on the outer surface of the hanging portion 13 at required intervals in the lateral direction. A large number of fixed walls 17 are provided below the outer side of the support step 9, and a plurality of fixed walls 17 are provided on the lower side of the support step 9.
5 and is integrally molded so as to face the hanging part 13 at a required interval, and a through hole 19 is formed in the fixed wall part 17 so as to face the latching recess 15 . Furthermore, a circular protrusion 21 constituting a regulating body is integrally molded on the outer surface of the fixed wall portion 17 in accordance with the periphery of the through hole 19 .

The box body 5 is made of a substantially rectangular resin corrugated board with a width corresponding to the depth of the box in which each corner is formed, and the resin corrugated board is bent as shown in FIG. 4 to face each other. It is formed by forming two pairs of side plates 5a to 5d to form a box shape. Also,
A large number of through holes 23 are provided at the upper end of each side plate 5a, 5b, 5c, and 5d, and the through holes 19 and the hooking recesses 15
is formed in response to. The through hole 23 is integrally punched out using a press device (not shown).

The frame 3 and the box body 5 are integrated by a fixing pin 7. The fixing pin 7 includes a shaft portion 7a, a protrusion 7b that engages with the inner surface of the fixing wall portion 17 on a part of the outer periphery of the shaft portion 7a, and a shaft portion 7a corresponding to the protrusion 7b. It is composed of a concave strip 7c and a head portion 7d as a large diameter portion that contacts the outer surface of the fixed wall portion 17. When the fixing pin 7 is inserted into the through hole 19 and the through hole 23, the shaft end of the shaft portion 7a is latched to the latching recess 15. In addition, the protrusion 7b
engages with the inner surface of the fixed wall portion 17.

A method of assembling the container 1 having the above structure and its operation will be explained with reference to FIGS. 2 and 4.

In FIG. 4, two pairs of side plates 5a, 5b facing each other are formed by bending the resin corrugated board at the position of the broken line in the figure.
It is formed into a box body 5 consisting of 5c, 5d and a bottom plate 5e.

In FIG. 2, the upper ends of the side plates 5a, 5b, 5c, and 5d of the box body 5 bent as described above are attached between the hanging part 13 and the fixed wall part 17, and the frame 3 and the box body 5 are Temporarily fasten. In this state, the frame 3 and the box body 5 are temporarily fastened so that the hooking recess 15 and the through holes 19 and 23 substantially coincide with each other.

Then, insert the fixing pin 7 from the outside of the fixing wall part 17.
When the head portion 7d is press-fitted into the through hole 19 and the through hole 23, which are substantially coincident, until the head portion 7d abuts the outer surface of the fixed wall portion 17, the end portion of the shaft portion 7a is latched into the latching recess 15. Further, the protruding strip 7b is elastically deformed by the concave strip 7c as the fixing pin 7 is press-fitted, and the through hole 19 is
After passing through the inside, the fixed wall part 1 is elastically restored.
It engages with the inner surface of 7. As a result, the frame 3 and the box body 5 are integrated by the fixing pin 7, and slippage from the frame 3 is restricted.

Then, a protrusion 2 is formed around the head 7d of the fixing pin 7 press-fitted into the through hole 19 and the through hole 23 as described above.
1 is located. Therefore, when a part of another container 1 or the like enters between the head 7d and the outer surface of the fixed wall 17, the protrusion 21 is inserted between the head 7d and the outer surface of the fixed wall 17. Part of the container 1 is prevented from entering, and the fixing pin 7 is prevented from coming off.

In this way, in this embodiment, when the frame 3 and the box body 5 are fixed by the fixing pin 7, the tip of the shaft of the fixing pin 7 is prevented from protruding into the inner surface of the hanging part 13, so that the container 1 It does not get in the way when the product is stored inside, and it is possible to prevent the product from being damaged. Further, the head 7d of the fixing pin 7 is attached to the protrusion 21 on the outer surface of the container 1.
Since the fixing pin 7 is located inside, the fixed state of the fixing pin 7 is prevented from being released, and the fixed state between the frame 3 and the box body 5 can be stably maintained. This maintains the assembled state of the container 1 and prevents the strength of the container from decreasing.

In the above description, the end portion of the shaft portion 7a of the fixing pin 7 press-fitted into the through hole 19 and the through hole 23 is attached to the hooking recess 15.
However, as shown in FIG. 5, a support hole 35 is formed in the hanging portion 33 of the frame 31, and a recess 37 is formed around the support hole 35, and the through hole 19 and the through hole are formed. 23 and the support hole 35, and protrudes from the inner surface of the hanging portion 33.
The frame 3 and the box body 5 may be integrated by caulking so that the end portion thereof is located within the recess 37.

[Effects of the Invention] As described above, the present invention can effectively prevent the fixing pins that integrate the frame and the resin corrugated board from coming off, thereby providing a container that can maintain the strength of the container.

[Brief explanation of drawings]

Fig. 1 is a perspective view schematically showing the container, Fig. 2 is a sectional view taken along the line A-A in Fig. 1, Fig. 3 is a perspective view showing the fixing pins, and Fig. 4 is a cross-sectional view of the resin corrugated board. FIG. 5 is a perspective view showing the unfolded state, and FIG. 5 is a sectional view showing a modified embodiment of the present invention. In the figure, 1 is a container, 3 is a frame, 5 is a box body,
7 is a fixing pin, 7d is a head as a large diameter portion of the pin, and 21 is a protrusion as a regulating body.

Claims (1)

[Scope of claim for utility model registration] Consisting of a rectangular resin corrugated board with each corner cut out with a width corresponding to the depth of the box,
A box body in which a large number of through holes are formed at predetermined intervals in the longitudinal direction on each side edge, and each side edge is bent upward at a position corresponding to the depth of the box in which it is formed. , in the shape of a rectangular frame of a size corresponding to the box, includes a planar support step and hangs downward at a predetermined interval in the longitudinal direction on the outside of the support step, and extends along the side edge of the box. A fixed wall portion that is provided with a through hole that matches the through hole provided in the through hole and a large diameter protrusion on the side surface corresponding to the periphery of the through hole, and a fixed wall portion that is continuous in the longitudinal direction on the inside of the support step portion. a frame having an inverted U-shaped cross section and having a hanging part that hangs down to the outer side wall and has a large number of shaft supports on the inner surface that coincides with the through hole of the outer side wall; When inserted into the hole and the through hole provided in the fixed wall of the frame, the shaft head is located within the large diameter part, and a part of the shaft is on the inner surface of the fixed wall, and the shaft tip is located inside the large diameter part. A container characterized by comprising: fixing pins that each engage with the shaft support of the hanging part in a non-protruding state toward the inner surface.