JP2019089642A - Receiving metal fitting for suspension - Google Patents

Abstract

To provide a receiving metal fitting for suspension with a simple structure that is easily mounted, surely suspends an object, can be easily removed, and has less failures while a hole provided on a suspended object has a simple structure.SOLUTION: The receiving metal fitting for suspension includes a pair of single receiving metal fittings each having a locking part locked to a hole rear peripheral edge in a folded state while passing through the hole provided in a suspended object, a shaft part exists in a direction orthogonal to the locking part, and a ring part. The ring part included in the single receiving metal fitting is positioned in a shaft part end. A flat surface formed by the ring part is orthogonal to the locking part. When the shaft parts and the locking parts of the pair of single receiving metal fittings are aligned, the one ring part is separated from the other ring part.SELECTED DRAWING: Figure 1

Description

The present invention relates to a novel structure of a support bracket for suspension that is detachably mounted not on the side of a suspending device but on the side to be suspended when a heavy load is suspended. It may be used as a support bracket for long-term permanent suspension of heavy objects, but in construction work and so on, it is suspended by a crane hook or the like to transfer floor panels etc. to the installation location, It is particularly suitable for use in situations where it is then removed, ie where installation and removal are repeated frequently.

  A hanging device such as a crane is used as equipment for lifting and moving a plate-like heavy load. For example, "floor panels", which are building materials, are pre-stored in stock yards, and such devices are often used when transporting them to the installation site. Alternatively, such a device is also used when lowering floor panels stacked on a truck at a factory at a construction site.

In such a lifting operation, as a typical example, there is a method in which a wire rope is previously hung on a floor panel and the wire rope is lifted by a crane hook. However, qualification and skills are required to carry out this work (called rigging) quickly and safely.
Alternatively, there are many methods in which projections or holes as locking portions or lifting members are previously attached to appropriate places on the floor panel, and are used to connect with the crane hooks and to lift them. Since the load is received at the pre-designed point, there is less risk of losing balance during the lifting operation, and the required skills are reduced and the safety is increased. However, it is necessary to process holes or other processing on the floor panel, or to perform it in advance.

And this invention is a receiving bracket for performing a lifting operation | work in the latter method, However, It is premised on the structure by which the hole was drilled in the to-be-suspended thing (for example, floor panel). Since it is difficult to connect a crane hook directly to this hole, first attach a dedicated member to this hole and hang it by means of hooking the crane hook directly to the dedicated member or via a wire rope etc. Become. After the object to be suspended is moved by the crane and set in an appropriate position after being suspended, it is necessary to remove the dedicated member from the object to be suspended.
Therefore, in order to efficiently carry out a series of operations such as installation of special members, hooking, lifting, and removal of special members, it is important to employ special members that are easy to install and remove.

Therefore, as such a dedicated member, a hanging tool found in utility model registration 3070854 (cited reference 1), JP-A-6-316395 (cited reference 2), etc. (each referred to as cited invention 1 and cited invention 2) Has been proposed.
Invention of reference 1 is to insert the retaining part on the side of the hanging tool into the hole provided on the side of the object to be suspended and then move the retaining part to move it to a position where it does not come off. Other structures are attached.
In Cited Invention 2, the horizontal portions of two L-shaped linear bodies are both passed through the back side of the hole of the object to be suspended, and pivoted about the axial center in a state where the shaft portions that are the vertical portions are aligned The two horizontal parts are fixed at 180 degrees. A synchronization means is attached for smooth rotation, and a stopper is attached to ensure rotation stop.

Utility model registration 3070854 gazette JP-A-6-316395

  However, in the case of the cited invention 1, not only the structure of the hanger but also the structure of the hole engraved in the object to be suspended is complicated, and it can be used only for the hanger that conforms thereto, and a complicated high accuracy is required. Since it is a hole, it is impossible to create it in the field work, and there is a problem that it is easy to cause a malfunction and to deteriorate easily because a member such as a spring is attached.

In the case of the cited invention 2 is just the structure for those providing the synchronization means is complicated, the product cost is high, prone to malfunction, there is a problem.
Therefore, in the present field, the appearance of a simple suspension bracket having a structure with few failures, which can be easily attached to a hole drilled in an object to be suspended, can be reliably suspended and easily removed, is awaited It was

  Therefore, the inventor of the present invention has finally made the present invention as a result of earnest research in view of the above points, and the feature of the present invention is that it passes through the hole engraved in the object and is bent at the periphery of the hole back surface A support bracket for suspension comprising two sets of a single receiving bracket having a locking portion to be locked, a shaft portion in a direction orthogonal to the locking portion, and a ring portion, the single receiving member The ring portion constituting the metal fitting is at the end of the shaft portion, and the plane formed by the ring portion is orthogonal to the locking portion, and further, the shaft portion of the two single metal receiving members and the locking portion When the parts are aligned, the ring part is at a point separated from the other ring part.

  That is, the present invention is a receiving bracket for suspension that is used in a pair, and has a ring portion on the upper end side of each metal fitting (single bracket), from which the locking portion is a shaft through a shaft portion. It is provided in a form orthogonal to the part and ring part. These two are inserted into the holes of the suspended object while aligning their locking portions, and then both ring portions are pulled up, so that the locking portions are maintained at a 180 ° open position. It is a thing.

In the present invention, the mounting position of the ring portion is special in order to fulfill this purpose.
It has a locking portion that enters a hole inscribed in the object to be suspended and is guided by the peripheral edge portion on the back side of this hole, and a shaft portion that is perpendicular to the locking portion and does not enter the hole The structure itself is older than before, without bringing up cited invention 2. The same applies to the structure in which the ring portion is provided on the upper end side of the shaft portion.

However, in the present invention, this ring portion does not exist in the axial direction of the shaft portion. Away from the axial direction. The separation here does not mean, for example, that the center of the ring portion is not in the axial direction, but means that even a part of the ring portion does not cross vertically above the shaft portion.
In order to make this concrete, it is necessary to bend the upper end side of the shaft. When the shaft is close to the direction toward the center of the ring, it is necessary to make a large bending, and when the shaft is close to the circumscribed direction of the ring, it is not necessary to make a large bending. However, the distance between the rings is as large as possible within the range where the material strength allows, in consideration of the object of the present invention that “the locking portions can be held 180 degrees apart by merely pulling up both rings”. It is better.

The plane formed by the ring portion is orthogonal to the locking portion. The "plane formed by the ring portion" will be described on the assumption of two orthogonal orthogonal planes. FIG. 8 illustrates this, and it is assumed that two straight planes I and II intersect at a ridge L.
The two single-piece receiving brackets 2 and 2 of the hanging and holding bracket according to the present invention have the locking parts 21 on the straight plane I in a state where the respective locking parts 21 and the shaft parts 22 are aligned. , Put the shaft 22 on the straight plane II. At that time, the locking portion 21 and the shaft portion 22 are both perpendicular to the ridge line L (naturally, the bent portion A of the locking portion 21 and the shaft portion 22 exists in this ridge line L portion ).

  At this time, the ring portion 23 provided on the upper end side of the shaft portion 22 is designed to be in contact with the straight plane II. In this state, the plane formed by the ring portion 23 is aligned (or parallel) with the straight plane II. At the same time, the plane formed by the ring portion 23 is orthogonal to the straight plane I, and orthogonal to the locking portion 21.

The two ring portions 23 may be completely separate, but as shown in the drawing, the ring portions 23 may be connected by a third ring. By providing the third ring, the connection ring 3 is effective in that the pair of single receiving brackets does not fall apart and the work of aligning the locking portion 3 and the shaft portion 4 is facilitated. . Furthermore, if the strength of the connection ring 3 is sufficient, for example, if the hanging part (for example, a crane hook etc.) of the suspension device is passed through the connection ring 3, the workability is good compared to when passing through two rings. It becomes. The plane formed by the connection ring 3 intersects with the straight plane II in the state of FIG.

  The retaining bracket according to the present invention is in a direction perpendicular to the locking portion, which passes through a hole formed in the suspended object and is locked in a bent state to the periphery of the back surface of the hole. A receiving bracket for suspension comprising two sets of a single piece receiving bracket having a shaft portion and a ring portion, wherein a ring portion constituting the single piece receiving member is at a shaft portion end, and the ring portion The plane formed by is perpendicular to the locking portion, and further, when the locking portion is aligned with the shaft portion of the two single-piece receptacles, the ring portion is separated from the other ring portion. It is an extremely advanced invention having the following effects.

(1) The structure is simple. Therefore, the risk of failure or damage is small.
(2) The processing provided on the side of the object to be suspended may be only a simple hole. Therefore, it is easy to apply.
(3) It can be removed easily by releasing the received load. Therefore, the work efficiency is much better in the scene where it is frequently attached and detached.

It is an outline perspective view showing an example of a holder for suspension concerning the present invention. Each of (a) and (b) is a side view schematically and temporally showing a state in which an example of the hanging bracket according to the present invention is installed. It is a schematic perspective view which shows the state which is carrying out the rotational motion centering on the axial center of an axial part. It is a schematic perspective view which shows the state which pulled up through a part of suspension apparatus side through a connection ring. (A), (b) and (c) are all schematic perspective views which show the example of use of this invention metal fitting. It is a schematic perspective view which shows the example of what changed the design of connection of a ring part and an axial part. It is a schematic perspective view which shows the example of what changed the design of the connection ring. It is a schematic perspective view for showing the structure of the single attachment bracket of the reception bracket for suspension concerning the present invention.

FIG. 1 shows an example of a support bracket 1 for suspension according to the present invention (hereinafter referred to as the present invention bracket 1). As is apparent from the figure, the present invention bracket 1 comprises two single-piece support brackets 2. As one set, these are integrated by the connection ring 3.
The single-piece bracket 2 comprises a locking portion 21, a shaft portion 22, and a ring portion 23. The boundary between the locking portion 21 and the shaft portion 22 is at a right angle. Further, the shaft portion 22 is linear from the boundary to a certain position, but has a bent portion 221 on the upper end side (ring portion 23 side). The form of bending of the bending portion 221 is formed in the direction away from each other in the state of the drawing (that is, the state in which the locking portion 21 and the shaft portion 22 of each of the two single metal fittings 2 are aligned).

In the case of using the metal fitting 1 of the present invention, it is necessary to first align the two single-piece receptacles 2 with the state shown in FIG. 1, that is, the locking portion 21 and the shaft portion 22. Then, the two locking portions 21 are installed through the holes H formed in the object B. FIGS. 2 (a) and 2 (b) schematically show the state over time.
That is, the locking portion 21 is passed through the back surface side of the supported object B, and the locking portion 21 is closed with the bent portion A of the locking portion / shaft portion over the hole H and on the back surface side. If it comes in contact with the back of the hanging object B, it will be said that the installation is temporary. Such operation is possible only when the thickness of the object B, the size and shape of the hole H, and the thickness of the locking portion 21 satisfy the conditions. However, since the present invention is for a metal fitting structure and does not require a suspended object, the conditions are not mentioned here. However, since this action is not of the type that becomes impossible due to the length of the locking portion 21, the longer it is made longer, the smaller the risk of falling off, and it is expected that it will be used in situations where frequent attachment and detachment is performed. This is a design item that should be carefully considered as it will be bulky as a metal fitting.

Thereafter, with the shaft portion 22 aligned as much as possible, the locking portions 21 aligned up to that point are separated. Since the hole H restricts free movement, the operation of separating the locking portion 21 while aligning the shaft portion 22 is easy. For example, in the case where the cross-sectional shape of the shaft portion 22 is a circle, and the hole H is formed in a shape substantially equal to an oval that circumscribes two circular contacts, each shaft portion 22 The reason is that only rotational movement with the axis of the axis as the axis of rotation is possible.
The hole H in the present invention does not have to be the above-mentioned oval, but in most cases is a shape slightly larger than this or a circle slightly larger than a circle circumscribing the above-mentioned oval. Therefore, the locking portion 21 also performs a motion approximately similar to the rotational motion with the axis of the shaft portion 22 as the rotation axis.
One state during this rotational movement is shown in FIG.

  The movement of the bracket from the state of FIG. 1 to the state of FIG. 3 (FIG. 3) is a movement to rotate the shaft portion 22 to bring both ring portions 23 closer to each other. Put the ring on the left side and the index finger on the right side ring, and you can do it easily by bringing your thumb and forefinger close together.

  Alternatively, when the front side of the connection ring 3 is pulled upward, the separated ring portions 23 and 23 may be utilized automatically approaching each other. This operation can be easily performed using a suspending device or a wire rope instead of a finger.

FIG. 4 shows a state in which a part of the hanging device side is pulled through the connection ring 3. The illustration of the suspension device and the suspended object is omitted.
In this state, the ring portions 23 and 23 are in contact with each other, and the locking portions 21 and 21 rotate in opposite directions about the shafts 22 and 22 and have a positional relationship of 180 degrees.

  When the object to be suspended B is suspended in the state of FIG. 4, the metal fitting 1 of the present invention does not come off the hole H unless the material is deformed or broken. However, in the case where the connection ring 3 is used for a hanging operation as in this example, it is a condition that the connection ring 3 has a corresponding strength.

  5 (a), (b) and (c) show an example of use of the metal fitting 1 of the present invention, in which the floor panel C is suspended at three points [the same figure (a)]. The example [the same figure (b)] and the example [the same figure (c)] applied to the lighting fixture D of the type hung from a ceiling are respectively shown.

  The example of the figure (a) (b) shows the condition where the floor panel C is transferred from the temporary storage place to the regular position by the crane hook E, and is connected to the wire rope F to the metal fitting 1 of the present invention It is common practice to hang a crane hook E on. It can be said that attachment and detachment of the metal fitting 1 of the present invention to the floor panel C is required to be quick and easy. On the other hand, the example of the same figure (c) is an example of the type which is often left as it is for a long time if it is installed once, and it is not removed frequently, but creation of a hole drilled on the lighting fixture D side Safety and secure lifting is possible.

  The design of the metal fitting 1 of the present invention is not limited to that shown in the drawings, but for example, the design of the connection between the ring portion 23 and the shaft portion 22 is changed (FIG. 6), and the design of the connection ring 3 is changed (figure) Even the case of 7) is included in the metal fitting 1 of the present invention.

Among them, the inventive metal fitting 1 shown in FIG. 6 is an example in which the shaft portion 22 is not bent. The shaft portion 22 is connected to the ring portion 23 like a tangent. Even with such a shape, if the diameter of the ring portion 23 is large to a certain extent, the highest position P of the ring portion 23 where the crane hook E etc. hangs when suspended (generally perpendicular to the center O of the ring portion 23 A sufficient separation distance is secured between the upper positions), and the connection ring 3 is rotated to bring the ring portion 23 closer with a lifting force.
However, if the diameter of the ring 23 is small, the rotating force will not be large, and it is not preferable in principle to enlarge the diameter of the ring 23 and make the metal fitting 1 of the present invention 1 larger. From this point of view, it is preferable not to increase the diameter of the ring portion 23 but to provide the bent portion 221 on the ring portion 23 side of the shaft portion 22 so as to increase the separation distance from the shaft portion.

In the example of FIG. 7, as an example in which the connection ring 3 is not circular, an example in which a ring portion connecting the two ring portions 23 and a ring portion for hooking a crane hook or a wire rope are separately shown is shown. There is. For example, when the light fixture is to be suspended, it is disposed for a long time, and naturally there is a demand for design. Therefore, it is possible to adopt a design other than the illustrated one.

Reference Signs List 1 suspension bracket according to the present invention 2 single bracket 21 bracket 22 locking portion 22 shaft portion 221 bent portion 23 ring portion 3 connection ring I straight surface (horizontal surface)
II Straight plane (vertical plane)
A (Attachment part / shaft part) Bending part L ridgeline B supported object H hole C floor panel D lighting fixture E crane hook F wire rope O ring part 23 center P maximum position

Claims (3)

A single-piece support fitting having a locking portion which passes through a hole formed in an object to be suspended and is locked in a bent state at the periphery of the rear surface of the hole, a shaft portion in a direction orthogonal to the locking portion, and a ring portion There are two sets of two brackets, one for which the ring part of the single bracket is at the end of the shaft part, and the plane formed by the ring part is orthogonal to the locking part. And the ring portion is separated from the other ring portion when the shaft portion of the two single-piece receptacles and the locking portion are aligned with each other. Support bracket for suspension. The suspension bracket according to claim 1, wherein the ring portions of the two single-piece bracket are connected by a connection ring. The support bracket according to claim 1 or 2, wherein an end of the ring side of the shaft portion is bent.

Images