JP2003072455A - Rail engagement fitting for conveying container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple and lightweight rail engagement fitting capable of preventing the deformation and fracture of an engagement hole of a rail when the loads in a box-shaped conveying container are fixed by engaging the rail engagement fitting in the engagement hole of the rail in a condition that an entire belt has the approximately U-shape. SOLUTION: This rail engagement fitting having a belt mounting part orthogonal to the longitudinal direction of the rail is locked in the engagement hole of a longitudinal and lateral hole combination-type rail and a lateral hole-type rail, whereby the force applied to a contact part of the rail and the rail engagement fitting caused by bondage force acting on the longitudinal direction of the rail, can be remarkably reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rail engaging fitting used in a transport container.

[0002]

2. Description of the Related Art A conventional rail engaging fitting for a transport container will be described with reference to FIGS. 1 is a perspective view of a transport container, FIG. 2 (A) is a front view of a vertical hole type rail, FIG. 2 (B) is a front view of a vertical / horizontal hole combined type rail, and FIG. 2 (C) is a horizontal hole type. 3 is a front view of the rail of FIG. 3, FIG. 3 is a perspective view of the rail having a vertical hole type with which the rail engaging metal fitting is engaged, FIG. 4 is a cross-sectional view of the rail and the rail engaging metal fitting, and FIG. 6 is a schematic plan view of a transport container, and FIG. 6 is an invention invented for the same purpose as the present invention.
It is a perspective view of 06255. Conventionally, as shown in FIG. 5, a load 4 in a box-shaped transport container 1 mounted on a vehicle such as a truck is attached to a pair of vertical hole type rails 2a arranged in the transport container 1, and ends of a belt 3 are provided. The rail engaging metal fittings 8 attached to the parts are engaged as shown in FIG. At this time, as shown in FIG. 5, the rail engaging metal fitting 8 is engaged with the vertical engaging hole 5 in front of the luggage 4, that is, in the traveling direction of the truck so that the entire belt 3 has a substantially U-shape. Was there. That is, as shown in FIG. 4, the rail engaging metal fitting 8 has a tensile force Ts generated by being tightened by the fastener 9 in the rail longitudinal direction C of the vertical hole type rail 2a via the belt 3. It was working. Then, the width W of the rail engaging metal fitting 8 is smaller than the distance H between the point of application of the pulling force Ts generated by being tightened by the fastener 9 and the vertical hole type rail 2a, so that the pulling force Ts is increased. The contact portions 8a and 8b of the rail engaging metal fitting 8 with the vertical hole type rail 2a are concentrated on each other.

[0003]

Therefore, the pulling force Ts generated by the tightening is increased, and the vertical engaging hole 5 of the vertical hole type rail 2a is intensively applied. There is a problem that the hole 5 is easily deformed or damaged.
In addition, in order to solve the problem that the vertical engagement hole 5 is easily deformed or damaged, the Japanese Patent Laid-Open No. 2001-1 shown in FIG.
There is also a belt connecting member such as 06255, but this is one in which the load is dispersed by providing a plurality of engaging portions with the rail in order to prevent deformation and damage of the vertical engaging hole 5, and the mechanism is However, it was complicated and heavy, and the price was very high. Therefore, it is an object of the present invention to provide a simple, lightweight, and inexpensive rail engaging fitting that can prevent the engagement hole from being deformed or damaged even when a force due to tightening is applied in the longitudinal direction of the rail. It was made as.

[0004]

Means for Solving the Problems In order to solve the above problems, the present invention is directed to a rail having a vertical / horizontal hole combination type rail or a rail having a horizontal hole type rail and having a belt mounting portion orthogonal to the longitudinal direction of the rail. Lock the fitting. As a result, the force exerted on the contact portion between the rail and the rail engaging metal fitting due to the tightening force acting in the longitudinal direction of the rail is greatly reduced.

[0005]

Embodiment Hereinafter, the present invention will be described in detail based on illustrated embodiments. FIG. 7 is a front view of a rail engaging metal fitting 13 for a transport container to which an example of the present invention is applied, and FIG. 8 is a rail engaging metal fitting 13 is locked to a rail 2b having a vertical and horizontal combined use type engaging hole. FIG. 9 shows a plan view of the state, and FIG. 9 shows a sectional view of the rail 2b of the combined vertical and horizontal hole type and the rail engaging fitting 13 in a locked state. Rails such as the vertical hole type rail 2a, the vertical and horizontal hole combined type rail 2b, and the horizontal hole type rail 2c shown in FIG. 2 are mounted on the side wall of the box-shaped transport container mounted on a vehicle such as a truck. In the example of use of the present invention, the rail engaging fitting 13 includes the vertical and horizontal combined engagement holes 6 of the vertical and horizontal hole combined rail 2b and the horizontal engagement hole 7 of the horizontal hole combined rail 2c (hereinafter referred to as the rail engagement hole). ) Is used. As shown in FIG. 7, the rail engaging fitting body 13a is provided with notches 14 and 15, respectively. The length obtained by adding the distance P between the bottoms of the notches 14 and 15 and the length Q of the engaging portion is slightly smaller than the engagement hole length M of the rail. Further, the bottom of the notch 14 and the detachable lever 1
The distance N with the locking portion 10a of 0 is also the engagement hole length M of the rail.
It is slightly smaller. In addition, the detachable lever 10
Is rotatably attached to the rail engagement metal fitting body 13a and is normally urged by a spring 16 in the R direction.
The engagement portion 10a of the detachable lever 10 is fitted into the engagement hole of the rail to prevent the rail engagement fitting body 13a from coming off from the engagement hole of the rail. When the rail engaging metal fitting 13 is attached to the rail engaging hole, the attaching / detaching lever 10 is lifted in the anti-R direction against the spring 16, and the rail engaging metal fitting body 13a is attached to the rail engaging hole.
Insert it diagonally from the 0 side and insert it into the engagement hole by twisting in the vertical direction. After that, the attaching / detaching lever 10 is lowered in the R direction and locked so that the rail engaging fitting body 13a is not separated from the engaging hole of the rail. Further, the rail engaging bracket body 13
A belt fixing portion 11 having a belt mounting portion 11a orthogonal to the longitudinal direction of the rail engaging fitting body 13a is welded to a. The belt fixing portion 11 fixes the belt 12, and the belt 12 is sewn on.

With reference to FIG. 9, the operation of the engagement hole of the rail and the rail engagement fitting 13 of the present invention in the engaged state will be described. In the state shown in FIG. 5, the rail engaging metal fitting 13 engages with the front of the luggage so that the entire belt 12 has a substantially U shape. Then, as shown in FIG. 9, the rail engaging fitting 1
A tensile force Tu generated by being tightened by a fastener acts on the rail 3 via the belt 12 in the longitudinal direction D of the rail 17. However, the length L of the locking portion of the rail engaging metal fitting 13 is determined by the pulling force Tu generated by being tightened by the fastener.
Is larger than the distance S between the point of action and the rail 17, the pulling force Tu is greatly reduced and is applied to the abutting portions 13b and 13c of the rail engaging fitting 13 with the rail 17. for that reason,
The engagement hole of the rail 17 is not deformed or damaged.

FIG. 10 is a plan view and FIG. 11 is a front view of a rail engaging fitting 18 for a transport container to which the two examples of the present invention are applied.
Shown in. In this embodiment, instead of sewing the belt to the belt fixing portion 19, the connecting fitting 20 is provided so as to be rotatable. Here, the connecting surface 20 of the connecting fitting 20
A hole having the same shape as the engagement hole of the rail is formed in a. Therefore, since the conventional rail engaging metal fitting 8 as shown in FIG. 3 can be fitted into the connecting metal fitting 20, according to this embodiment, the belt using the conventional rail engaging metal fitting 8 can be used as it is. You will be able to do it.
Although the connecting fitting 20 is provided so as to be rotatable in this example, the connecting fitting 20 may be directly fixed to the rail engaging fitting 18.

FIG. 12 shows a plan view of a rail engaging fitting 23 for a transport container to which the three examples of the present invention are applied. In the present embodiment, a connecting fitting 22 having a connecting surface in which a hole having the same shape as the engaging hole of the rail is formed, and the belt fixing portion 21.
The belt 24 is sewn to the rail engaging metal fitting body 23a having By doing so, the belt using the conventional rail engaging fitting 8 can be used as it is as in the two examples. In addition, when the entire belt is engaged so as to have a substantially U shape, the rail engaging fitting 23
When the locking position of is in the front of the baggage, or at a deep position, by locking the rail engaging fitting 23 in advance, the engaging position of the conventional rail engaging fitting 8 can be brought rearward. As a result, the work becomes easier. In the above application example of the present invention, the rail engaging fitting is engaged with the engaging hole of the container rail parallel to the longitudinal direction of the rail, that is, the rail of the lateral hole type is engaged with the rail engaging metal member so that the container luggage can Although it is prevented from moving in the direction, it goes without saying that by loading the rail engaging metal fitting of the present invention on the rail of the vertical hole type, the cargo of the container can be pushed and fixed in a substantially U shape in the vertical direction.

[0009]

EFFECTS OF THE INVENTION By using the rail engaging fitting according to the present invention, when a tightening force in the longitudinal direction of the rail acts on the rail engaging fitting, the force acting on the engaging hole of the rail is significantly reduced. Therefore, the engagement hole of the rail can be prevented from being deformed or damaged. In addition, the mechanism is simple, light, and inexpensive to manufacture. Further, according to the second embodiment, in addition to the above effects, a belt using the conventional rail engaging fitting 8 in the connecting hole of the connecting fitting can be used as it is. Further, according to the third embodiment, in addition to the above effects, the engagement position of the rail engagement fitting can be brought rearward, so that the work becomes easy.

[0010]

[Brief description of drawings]

FIG. 1 is a perspective view of a transport container.

[FIG. 2] (A) Front view of a vertical hole type rail

[FIG. 2] (B) Front view of a rail with a combination of vertical and horizontal holes

[FIG. 2] (C) Front view of a rail having a horizontal hole

FIG. 3 is a perspective view in which a rail engaging metal fitting is engaged with a vertical hole type rail.

FIG. 4 is a cross-sectional view of the rail and the rail engaging fitting in an engaged state.

FIG. 5 is a schematic plan view of a conventional transport container.

FIG. 6 is a perspective view of JP 2001-106255 A;

FIG. 7 is a front view of a rail engaging fitting to which claim 1 of the present invention is applied.

FIG. 8 is a plan view showing a state in which the rail engaging fitting according to claim 1 of the present invention is locked.

FIG. 9 is a cross-sectional view of the rail engaging fitting according to claim 1 of the present invention in a locked state.

FIG. 10 is a plan view of a rail engaging fitting according to claim 2 of the present invention.

FIG. 11 is a front view of a rail engaging fitting to which claim 2 of the present invention is applied.

FIG. 12 is a plan view of a rail engaging fitting according to claim 3 of the present invention.

[Explanation of symbols]

1 ... Transport container, 2a ... Vertical hole type rail, 2
b …… Vertical / horizontal hole combination type rail, 2c …… Horizontal hole type rail, 3 …… Belt, 4 …… Luggage, 5 …… Vertical engagement hole, 6 …… Vertical and horizontal combination type engagement hole, 7 …… Horizontal type engaging hole, 8 ... Rail engaging metal fittings, 8a, 8b ... Abutting portion with vertical hole type rail, 9 ... Fastener, 10 ... Detachment lever, 10a. 11 ... Belt fixing part, 11a ... Belt mounting part, 12 ... Belt,
13 ... Rail engaging metal fittings, 13a ... Rail engaging metal fitting bodies, 13b, 13c ... Rail abutting portion, 14 ...
… Notches, 15 …… Notches, 16 …… Springs,
17 ... rail, 18 ... rail engaging metal fitting, 19 ...
… Belt fixing part, 20 …… Coupling metal, 20a …… Connecting surface, 21 …… Belt fixing part, 22 …… Coupling metal, 2
3 ... Rail engaging metal fitting, 23a ... Rail engaging metal fitting body, 24 ... Belt, C ... Rail longitudinal direction, D
...... Rail longitudinal direction H …… Distance between the point of application of pulling force and the vertical hole type rail, L …… Length of locking part, M ・ ・ ・
... Rail engaging hole length, N ... Distance between bottom of notch and locking part of detaching lever, P ... Distance between bottom of notch of rail engaging metal fitting body, Q ... Length of locking part , R: direction biased by the spring, S: distance between the action point of the pulling force and the rail, Ts: pulling force, Tu: pulling force, W: width of rail engaging metal fitting,

Claims (3)

[Claims] 1. A method for fixing luggage in a transport container,
For a rail member having engaging holes arranged along the length direction, a rail engaging metal fitting body that fits into the engaging holes, and a belt fixing portion for mounting a belt piece at the other end is provided. A rail engaging metal fitting, comprising a belt fixing portion having a belt mounting portion orthogonal to a longitudinal direction of the rail engaging metal fitting main body. 2. A belt fixing portion having an engaging hole of the same shape as the engaging hole of the rail member formed on a connecting surface orthogonal to the longitudinal direction of the rail engaging metal fitting body is provided. The rail engagement fitting according to claim 1. 3. A belt having a belt fixing portion having a belt mounting portion which is orthogonal to the longitudinal direction of the rail engaging metal fitting body, and a connecting surface provided with an engaging hole having the same shape as the engaging hole of the rail member. The rail engaging metal fitting according to claim 1, wherein the terminal metal fitting is connected by a belt.