KR20140008833A

KR20140008833A - Spring hinge for folding type container

Info

Publication number: KR20140008833A
Application number: KR1020120076113A
Authority: KR
Inventors: 홍정선
Original assignee: 홍정선
Priority date: 2012-07-12
Filing date: 2012-07-12
Publication date: 2014-01-22

Abstract

The present invention relates to a spring hinge for a collapsible container for connecting the upper and lower plates of the container body for storing and transporting various cargoes, and the left and right side plates between the upper and lower plates to be shot up and down, more specifically, the spring hinge to the container When assembling the bolt to the main body, the upper and lower fixing plates 10 and 20 form the assembly holes 13 and 23 as long holes, so the assembly position of the bolt can be adjusted. When the torsion coil spring 40 is bent horizontally bent legs 41a, 41b at both ends of the container body to prevent interference with the container body to provide a smooth rotation of the spring hinge, as well as by improving the cross-sectional structure of the torsion coil spring It is characterized in that the torque of the torsion coil spring is largely secured to provide excellent folding operability by improving the elasticity.

Description

[0001] Spring hinge for folding type container [0001]

The present invention relates to a spring hinge for a collapsible container that connects the upper and lower plates of the container body for storing and transporting various cargoes, and the left and right side plates of the upper and lower plates to be shot up and down, and more specifically, the spring hinge is connected to the container body. When assembling with bolts on the screw holes of the bolts, the assembly position of the bolts can be adjusted to simplify the assembly and installation work, and prevents the legs bent horizontally at both ends of the torsion coil spring from interfering with the container body when the spring hinge is rotated. The present invention relates to a spring hinge for a collapsible container in which the ball rotation operation is smoothly provided.

In general, a container stores and transports various kinds of cargo.

Such a container forms a container body by an upper plate and a lower plate, a left and right side plate between the upper plate and the lower plate, and front and rear opening plates, and stores and transports various kinds of cargo to and from the storage space inside the container body.

Such conventional containers have a problem in that space utilization is deteriorated due to the volume of the container main body when carrying or storing various kinds of cargo without storing them.

In order to solve this problem, a folding container has been known, which is to connect the upper and lower plates of the container body, the left and right side plates between the upper and lower plates with spring hinges, and to use the spring hinges for folding and unfolding the springs.

The spring hinge mainly used in the collapsible container is inserted into the support shaft into the shaft hole formed on both sides of the rear of the upper and lower fixing plate, and at least one torsion coil spring is inserted into the support shaft, and the amount of the torsion coil spring The horizontal bending portion at the end is installed to be seated on the outer side of the upper and lower fixing plate to be configured to rotate the upper and lower fixing plates in the ballistic rotation.

However, the conventional spring hinge has the following problems.

First, the bolt is inserted into the assembly hole formed in the upper and lower fixing plate and the screw hole of the container body. The bolt is inserted into the assembly hole of the upper and lower fixing plate to match the screw hole of the container body. This inconvenience, of course, there is a problem in that the fastening and assembly of the bolts when the assembly hole of the upper and lower fixing plates and the screw hole of the container body does not exactly match.

Secondly, the horizontal bent legs at both ends of the torsion coil spring is installed on the outside of the upper and lower fixing plates, so that the spring hinge is difficult to move in the direction of the support shaft because it interferes with the container body when the spring hinge is rotated. Not only does not provide a smooth rotation operation, but this also causes problems such as failure in folding and unfolding operation of the container body.

The present invention has been invented to solve the problems of the prior art as described above, when assembling the spring hinge to the container body, the upper and lower fixing plate is formed as a hole in the assembly hole is possible to adjust the assembly position of the bolt assembly installation work Its purpose is to provide it simply.

An object of the present invention is to provide a smooth rotation operation of the spring hinge by preventing the horizontal portion of the leg bent horizontally bent at both ends of the torsion coil spring when the spring hinge operation of the spring hinge.

An object of the present invention is to secure a large torque of the torsion coil spring by improving the cross-sectional structure of the torsion coil spring to provide excellent folding operability.

The present invention inserts the support shaft into the shaft hole formed on both sides of the rear of the upper and lower fixing plate, and at least one torsion coil spring is inserted into the support shaft, and the leg portion is horizontally bent at both ends of the wire of the torsion coil spring. It is installed on the upper and lower ends of the upper and lower fixing plate to rotate the upper and lower fixing plate shot;

The upper and lower fixing plates may have stepped grooves formed between the upper and lower support surfaces and the upper and lower support surfaces that are bent stepwise so as to protrude outward from the outer diameter of the torsion coil springs on both sides of the torsion coil springs. The leg part is seated and installed so that it moves in the direction of the support shaft when the upper and lower fixing plates rotate.

The upper and lower support surfaces of the upper and lower fixing plates are provided with assembly holes for fastening and assembling bolts to the container body, and the assembly holes are formed in a long hole shape so as to be assembled while adjusting the bolt assembly position. have.

The wire of the torsion coil spring is characterized in that it is formed in a trapezoidal cross-sectional shape having a wide outer circumferential surface and a narrow inner surface.

In the present invention, when the spring hinge is bolted to the container body, the upper and lower fixing plate is formed as a long hole in the assembly hole so that the assembly position of the bolt can be adjusted, the assembly installation work is easy, the amount of torsion coil spring when the spring hinge is rotated. It prevents the legs bent horizontally from the end to interfere with the container body, thereby providing smooth swing operation of the spring hinge, and by securing the torque of the torsion coil spring by improving the cross-sectional structure of the torsion coil spring. It has an effect of providing excellent folding operability.

1 is a perspective view of a collapsible container to which the present invention is applied.
Fig. 2 is a side sectional view of Fig. 1; Fig.
Figure 3 is a perspective view showing one embodiment of the present invention spring hinge.
Fig. 4 is a side sectional view of Fig. 3; Fig.
5 and 6 are perspective views showing other embodiments of the spring hinge of the present invention.
Figure 7 is a perspective view showing another embodiment of the torsion coil spring used in the present invention hinge.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, the upper plate 110 and the lower plate 120 and the left and right side plate 130 between the upper plate and the lower plate can be folded up and down the container body 100 for storing and transporting various cargoes as shown in FIGS. It is about the spring hinge to connect.

That is, the spring hinge 50 of the present invention, as shown in Figures 3 to 6, the support shaft 30 to the shaft hole (11) 21 formed on both sides of the rear of the upper and lower fixing plates (10, 20) Insert and insert at least one torsion coil spring 40 to the support shaft, the horizontal portion of the torsion coil spring (41a) 41b horizontally bent on both ends of the wire 41 of the torsion coil spring fixed up and down It is installed on the upper and lower ends of the plate and rotates the upper and lower fixing plates 10 and 20.

Particularly, the upper and lower fixing plates 10 and 20 have upper and lower support surfaces 12 and 22 and the upper and lower bent steps so as to protrude outward from the outer diameter of the torsion coil spring 40 on both sides. The stepped groove 15 is formed between the support surfaces, and the leg portions 41a and 41b of the torsion coil spring are installed in the stepped groove 15 to move in the direction of the support shaft when the upper and lower fixing plates are rotated. The shots are made to work.

In addition, the upper and lower support surfaces 12 and 22 of the upper and lower fixing plates are provided with assembly holes 13 and 23 for fastening and assembling the container body 100 with bolts, and the assembly holes are formed in the long hole form. It is configured to assemble and install while adjusting the bolt assembly position.

In addition, the wire 41 of the torsion coil spring 40 is mainly formed in a circular cross-section, as shown in Figure 7 is a trapezoidal cross-sectional shape of a wide width (T) of the outer peripheral surface and a narrow width (T ') of the inner surface It can be formed by forming.

Reference numeral 140 denotes a front and rear opening plate of the container body.

Hereinafter, the operation and operation of the present invention will be described.

The present invention can be folded up and down by connecting the upper plate 110 and the lower plate 120, the left and right side plates 130 between the upper plate and the lower plate by the spring hinge 50 of the container body 100 for storing and transporting various cargoes .

That is, the upper and lower fixing plates 10 and 20 of the spring hinge 50 to the upper plate 110 and the lower plate 120 of the container body 100, the side plate 130 vertically installed to the left and right of the upper plate and the lower plate. ) Is to install by fastening the bolts (60).

At this time, the upper and lower support surfaces 12 and 22, which are stepped on both sides of the upper and lower fixing plates 10 and 20, between the upper plate 110 and the lower plate 120 of the container body, between the upper plate and the lower plate. It is installed between the side plate 130 is installed vertically to the left and right of the upper and lower support surfaces formed in the assembly hole 13, 23 and the container body 100, 110 and the lower plate 120, and the upper plate and The bolt 60 is inserted into the screw hole formed in the left and right side plates 130 between the lower plates to be assembled and installed.

Particularly, since the assembling holes 13 and 23 formed in the upper and lower support surfaces 12 and 22 of the upper and lower fixing plates are formed in a long hole shape, the upper plate 110 and the lower plate of the container body 100 ( 120), even if the position of the screw hole formed in the left and right side plate 130 between the upper plate and the lower plate slightly out of position to adjust the position of the bolt by adjusting the position of the bolt along the long hole, so the assembly work by bolt fastening is convenient It is provided.

Spring hinge 50 of the present invention is assembled and installed as described above, the upper and lower fixing plate 10, 20 according to the folding operation of the container body 100 torsion coil spring 40 around the support shaft 30 By rotating the bullet will be folded operation.

At this time, the leg portions 41a and 41b horizontally bent at both ends of the wire 41 of the torsion coil spring 40 have an outer diameter of the torsion coil spring 40 on both sides of the upper and lower fixing plates 10 and 20. Since it is installed in the step groove 15 between the upper and lower support surfaces 12 and 22, which are bent stepwise so as to protrude outward, the support shaft is moved from the step groove 15 instead of interfering with the container body as in the prior art. While moving smoothly along the torsion coil spring 40 to effectively provide the operation.

In addition, the torsion coil spring 40 of the present invention improves the wire 41 in the conventional simple circular cross-sectional structure to form a trapezoidal cross-sectional shape having a wide width (T) of the outer peripheral surface and a narrow width (T ') of the inner surface By securing a large torque of the coil spring to improve the resilience of the torsional coil spring as well as to provide a more effective folding operation of the heavy-weight container body.

110: upper plate 120: lower plate
130: left and right side plates 100; main body
10, 20: Upper and lower fixing plate
11, 21: shaft ball 30: support shaft
40: Torsion coil spring
41: wire 12, 22: upper and lower support surfaces
13,23: Assemblyman

Claims

Insert the support shaft 30 into the shaft hole (11) (21) formed on both sides of the rear, the upper and lower fixing plates (10) and (20), and at least one torsion coil spring (40) is inserted into the support shaft. The leg portions 41a and 41b horizontally bent at both ends of the wire 41 of the torsion coil spring are installed on the upper and lower ends of the upper and lower fixing plates so that the upper and lower fixing plates 10 and 20 are disposed. In the spring hinge for a collapsible container to spin the ball,
The upper and lower fixing plates 10 and 20 have upper and lower support surfaces 12 and 22 and the upper and lower support surfaces that are bent stepwise so as to protrude outwardly than the outer diameter of the torsion coil spring 40 on both sides. Stepped grooves 15 are formed therebetween and leg portions 41a and 41b of the torsion coil spring are seated and installed in the stepped grooves 15 to move in the direction of the support shaft when the upper and lower fixing plates are rotated. Spring hinge for folding container, characterized in that made to.

The method of claim 1,
On the upper and lower support surfaces 12 and 22 of the upper and lower fixing plates, assembly holes 13 and 23 for fastening and assembling bolts are formed on the container body, and the assembly holes are formed in a long hole shape to assemble the bolts. Folding hinge spring hinge for the container, characterized in that the assembly is made to adjust.

The method of claim 1,
The wire 41 of the torsion coil spring 40 is a hinge of the spring container for folding, characterized in that formed in a trapezoidal cross-sectional shape of a wide width (T) of the outer peripheral surface and a narrow width (T ') of the inner surface.