JP2534359Y2 - Rail for belt engagement - Google Patents

Description

[Detailed description of the invention] [Industrial applications]

[0001] The present invention relates to a belt engaging rail which is attached to a side wall of a freight car or the like to engage a belt fitting attached to an end of a cargo tightening belt.

[0002]

2. Description of the Related Art This type of rail 21 is, for example, shown in FIG.
As shown in FIG. 13, a belt metal fitting 25 of a belt 24 for tightening the cargo 23 is engaged with a side wall of the freight car 22 horizontally in the front-rear direction, and regulates the movement of the cargo in the front-rear direction. The engagement hole for engaging the belt is formed as a vertically long engagement hole so that the belt can be provided with a tension in the front-rear direction, and also engages with the belt that regulates the vertical movement of the cargo. The engagement holes for engagement are formed as horizontally long engagement holes so that the belt can have a vertical tension. They are arranged at intervals. In the case of a rail in which only one of the vertical and horizontal engaging holes is formed, there is an inconvenience that the tightening of the belt is limited to only one of the holes, so that both shapes are combined as shown in FIG. The rail 21 in which the cross-shaped engagement holes 26 are arranged is used.

[0003]

[Problems to be Solved by the Invention] The above-mentioned cross-shaped engaging hole 2
In the case of No. 6, there is an advantage that the belt can be tightened in any of the front, rear, up and down directions with one rail, but in order to maintain the rail strength, one horizontal engagement hole is required. The pitch P of the engaging holes 26 cannot be reduced as compared with the case of only the one row of the horizontal engaging holes, since the interval W between the lateral engaging holes is set similarly to the rail in which only the horizontal engaging holes are arranged in one line. Met.

However, since the size of the cargo varies, it is preferable that the pitch of the engagement holes for engaging the belt is smaller, or that a larger number of engagement holes are formed between predetermined lengths of the rail. Is preferred.

According to the present invention, the pitch of at least one of the vertical or horizontal engaging holes can be reduced from the viewpoint of such an eye without deteriorating the strength of the rail, or at least one of the engaging holes can be reduced. An object of the present invention is to provide a rail which can be formed so that the number of holes is larger than that of a conventional rail, so that cargo can be tightened more easily and effectively.

[0006]

In order to solve the above-mentioned problems, the present invention provides a unit engaging hole in a continuous opening state in which one vertical and horizontal engaging holes intersect each other in the rail length direction. A belt engaging rail formed in large numbers at substantially equal intervals, wherein a crossing portion of the unit engaging hole is formed in the vicinity of an end of at least one of the vertical or horizontal engaging holes, and Intersecting the engaging holes, forming adjacent horizontal engaging holes at positions displaced from each other in the vertical direction, and forming at least one of the vertical or horizontal engaging holes for a predetermined length of the rail. It is characterized in that the number of the engagement holes is greater than the number of the engagement holes formed by arranging only the lateral engagement holes in a row, thereby constituting the belt engagement rail.

In the present invention, a large number of unit engaging holes in a continuous opening state in which one or two vertical and horizontal engaging holes intersect are formed at substantially equal intervals in the rail length direction. A belt engagement rail, wherein the intersection of the unit engagement holes intersects with the other engagement hole near the end of at least one of the vertical or horizontal engagement holes, and At least one of the horizontal engaging holes is formed in two lines, and the number of the engaging holes of at least one of the vertical or horizontal engaging holes for a predetermined length of the rail is arranged such that only the horizontal engaging holes are arranged in a line. It is also characterized in that the number of engagement holes formed is larger than the number of engagement holes formed to provide a belt engagement rail.

[0008]

When the belt is engaged with the vertical engagement hole, the belt can be provided with tension in the front-rear direction. When the belt is engaged with the horizontal engagement hole, tension can be provided with the vertical direction. By engaging the other engaging hole near the end of at least one engaging hole, the pitch of the engaging holes can be reduced, or the number of rails between a predetermined length can be increased. If the adjacent horizontal engaging holes are vertically displaced and positioned, the pitch of the engaging holes can be reduced, and if at least one of the vertical or horizontal engaging holes is two, at least the engaging holes Can be formed more.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The rail 1 of the present invention is formed as a long material having, for example, a hat-shaped cross section, having fixing flanges 3 on both sides of the engagement hole forming surface 2, and a screw hole 4 is formed in the flange 3 in advance, or Screw holes can be drilled during installation.

FIGS. 1 to 3 show a first embodiment, in which the upper end (or lower end) of the vertical engagement hole 5a is substantially crossed at the middle of the horizontal engagement hole 5b. T-shaped (or substantially inverted T-shaped) unit engagement holes 5 are formed, and a large number of the unit engagement holes 5 are alternately arranged upside down to form the rail 1.

The upper and lower ends of the vertical engaging hole 5a and the horizontal engaging hole 5b
The left and right ends are locking edges 5c for locking the belt bracket,
Between the locking edges 5c, there is a reinforcing edge 5d in which the extended edge portion is bent to the back side by press working or the like, and the bent surface of the reinforcing edge 5d also serves as a guide surface when inserting the belt fitting. It has become something. The cross-sectional view taken along the line AA in FIG. 2 shows the vertical engagement hole 5a cut, but the cross-sectional state along the line CC cut along the horizontal engagement hole 5b is the same.

Therefore, the opposing locking edges 5c, 5c of the lateral engaging holes 5b, 5b of the adjacent unit engaging holes 5, 5 are located diagonally or vertically, so that the distance is maintained accordingly. Therefore, the unit engagement holes 5, 5 can be made closer to each other while maintaining the rail strength, and the pitch can be reduced repeatedly. Therefore, a larger number of vertical and horizontal engaging holes 5a and 5b can be formed between the rails of a predetermined length as compared with the conventional example of FIG. The convenience of stopping can be improved.

In the above description, it is possible to displace the vertical engaging holes 5a closer to the ends than the center position of the horizontal engaging holes 5b so as to cross each other.

FIGS. 4 to 6 show a second embodiment of the present invention, in which the right and left ends of a horizontal engaging hole 6b intersect at an intermediate portion between two vertical engaging holes 6a, 6a. The rail 1 is formed by arranging a large number of the H-shaped unit engaging holes 6 at a constant pitch.

The upper and lower ends of the vertical engagement holes 6a, 6a and the left and right ends of the horizontal engagement holes 6b are locking edges 6c for locking the belt fittings, respectively, and the spaces between the locking edges 6c are formed as described above. 6d. The cross-sectional view taken along the line AA in FIG. 5 shows the vertical engagement hole 6a cut, but the cross-sectional state along the line CC cut along the horizontal engagement hole 6b is the same.

Therefore, if the unit engaging holes 6 are continuously provided while keeping the lateral engaging holes 6b, 6b of the adjacent unit engaging holes 6, 6 at a predetermined interval, the conventional structure shown in FIG. About twice the number of the vertical engagement holes 6a can be formed as compared with the example, and the convenience of the belt engagement of the vertical engagement holes that are generally used frequently can be improved.

By arranging the unit engaging holes 6 alternately in the vertical and horizontal directions, the number of the vertical and horizontal engaging holes can be formed larger than that of the conventional example. In this case, a large number of the lateral engagement holes 6b can be formed, and the vertical position can be easily adjusted.

FIGS. 7 to 9 show a third example which is different from the above example.
5 to 5 show examples. FIG. 7 does not form the reinforcing edge 5d in the first embodiment, but simply forms a substantially T-shaped engaging hole 7 on the engaging hole forming surface 2, and forms upper and lower ends of the vertical engaging hole 7a and The rail 1 is formed by using the left and right ends of the lateral engagement holes 7b as engagement edges 7c.

FIG. 8 shows a substantially upward U-shape (or a downward U-shape) in which the left and right ends of the horizontal engagement holes 8b intersect near the lower ends (or upper ends) of the two vertical engagement holes 8a. A plurality of U-shaped unit engagement holes 8 are alternately arranged at a constant pitch in the upside-down direction to form the rail 1. According to this embodiment, the opposing locking edges 8c, 8c of the adjacent lateral engagement holes 8b, 8b are positioned obliquely up and down.
As a result, the distance can be maintained between them so that the strength can be maintained, the unit engagement holes 8 can be formed slightly closer than the substantially H-shaped unit engagement holes 6, and a greater number of rails of a predetermined length can be formed. , Especially the vertical engagement hole 8a. In addition, the unit engagement hole may be formed in a U-shape in a horizontal direction, and in this case, the number of the horizontal engagement holes 8b can be increased.

FIG. 9 shows a substantially hollow well-shaped unit engaging hole 9 in which two vertical engaging holes 9a, 9a and two horizontal engaging holes 9b, 9b intersect near each end. The rail 1 is formed by arranging a large number of the unit-gear-shaped unit engagement holes 9 at a constant pitch. It is preferable that a reinforcing edge 9d similar to the above is provided between the locking edges 9c at each end. According to this embodiment, if a predetermined interval is provided between the adjacent horizontal engagement holes 9b, both the vertical and horizontal engagement holes between the rails of a predetermined length are substantially double as compared with the conventional example of FIG. Number.

According to the present invention, by combining the vertical engagement holes and the horizontal engagement holes in the relationship exemplified in the first to fifth embodiments, a combination of the above embodiments and other advantageous configurations are provided. Can be adopted. Also, in each case,
As in FIG. 7, it is also possible to adopt a form in which no reinforcing edge is formed between the locking edges.

FIGS. 10 and 11 show an example of the engagement structure of the belt 10. FIG. Structure of belt body and belt bracket 1
Although the configuration of 1 may be arbitrary, the configuration of the illustrated belt fitting 11 engages with the locking edges 5c and the like of the unit engagement holes at the upper and lower portions of both side plates of the U-shaped plate-shaped fitting main body whose front end is folded back. Engaging grooves 12 are formed to face each other, and a vertical lock lever 14 is pivotally mounted on a rotating shaft 13 which is orthogonally installed in the middle of both side plates. One end of the lock lever 14 is attached to the front end surface of the metal fitting body. For example, a compression spring 15 is interposed between the other end and the front end surface so as to be urged, and a step 16 is formed on the lock lever at one end to engage with the locking edge 5c and the like. The front end of the bracket is a knob, and the belt 10 is inserted through the base end of the metal fitting body.

In order to engage the belt fitting 11 with, for example, the vertical engagement hole 5a of the unit engagement hole 5 in FIG. 1, first, the knob of the lock lever 14 is pulled to separate the step 16 from the distal end. Then, the engaging groove 12 on the same side is fully fitted into the upper engaging edge 5c of the vertical engaging hole 5a, and then the entire end of the fitting is fitted into the vertical engaging hole 5a. Mating groove 12
May be engaged with the lower locking edge 5c to release the knob of the lock lever, and the step 16 may be locked to the upper locking edge 5c. As long as the knob of the lock lever 14 is pulled against the compression spring 15 and the engagement between the step 16 and the locking edge 5c is not released, the engagement of the belt metal fitting 11 by the tension of the belt 10 is performed from the vertical engagement hole 5a. It will not come off. The engagement with the lateral engagement hole 5b is exactly the same.

[0024]

As described above, according to the present invention, a large number of unit engagement holes in which a vertical engagement hole and a horizontal engagement hole are formed continuously are arranged, and any one of the engagement holes can be selectively used. And at least one of the engagement holes can be formed in a larger number than the conventional one between predetermined lengths of the rail without deteriorating the strength of the rail, and the convenience of belt engagement can be improved. Can be further improved. For example, if the adjacent horizontal engaging holes are formed at positions displaced in the vertical direction, the pitch of the engaging holes can be reduced, and if at least one of the vertical or horizontal engaging holes is formed as two, A larger number of the engagement holes can be formed.

[Brief description of the drawings]

FIG. 1 is a partial front view of a rail showing an example of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG. 1;

FIG. 3 is a sectional view taken along the line BB of FIG. 1;

FIG. 4 is a partial front view of a rail showing another example of the present invention.

FIG. 5 is a sectional end view taken along line AA of FIG. 4;

FIG. 6 is a sectional end view taken along the line BB of FIG. 4;

FIG. 7 is a front view of a rail portion showing still another example of the present invention.

FIG. 8 is a front view of a rail portion showing another example.

FIG. 9 is a front view of a rail portion showing another example.

FIG. 10 is a schematic sectional view showing a process of engaging a belt fitting with an engagement hole.

FIG. 11 is a schematic sectional view showing a state in which a belt fitting is engaged with an engagement hole.

FIG. 12 is a rear view schematically showing a rail-equipped freight vehicle in which the side surfaces of the freight are fastened by belts.

FIG. 13 is a rear view schematically showing a rail-equipped freight vehicle in which a freight upper surface is fastened by a belt.

FIG. 14 is a partial front view showing a conventional rail.

[Explanation of symbols]

 1 rail 5, 6, 7, 8, 9 engaging hole 5a, 6a, 7a, 8a, 9a vertical engaging hole 5b, 6b, 7b, 8b, 9b lateral engaging hole 5c, 6c, 7c, 8c, 9c Retaining edge 5d, 6d, 8d, 9d Reinforcement edge

Claims (2)

(57) [Scope of request for utility model registration] 1. A belt-engaging rail comprising a plurality of unit-engagement holes in a continuous opening state in which one vertical and horizontal engagement holes intersect each other at substantially equal intervals in the rail length direction. The intersection of the unit engagement holes intersects with the other engagement hole near the end of at least one of the vertical or horizontal engagement holes, and the adjacent horizontal engagement holes are interconnected. And the number of at least one of the vertical or horizontal engaging holes for a predetermined length of the rail is formed by arranging only the horizontal engaging holes in a line. A belt engaging rail formed to have more than the number of engaging holes to be formed. 2. A belt engaging rail formed by forming a large number of unit engaging holes in a continuous opening state in which one or two vertical and horizontal engaging holes intersect each other at substantially equal intervals in the rail length direction. Wherein the intersection of the unit engaging holes intersects with the other engaging hole near the end of at least one of the vertical or horizontal engaging holes and the vertical or horizontal engaging hole. At least one of the two, and the number of at least one of the vertical or horizontal engagement holes between a predetermined length of the rail,
A belt engaging rail, wherein the number of engaging holes formed by arranging only the lateral engaging holes in a row is larger than the number of engaging holes formed.