KR101638302B1 - Cable tray - Google Patents

Cable tray Download PDF

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Publication number
KR101638302B1
KR101638302B1 KR1020160035645A KR20160035645A KR101638302B1 KR 101638302 B1 KR101638302 B1 KR 101638302B1 KR 1020160035645 A KR1020160035645 A KR 1020160035645A KR 20160035645 A KR20160035645 A KR 20160035645A KR 101638302 B1 KR101638302 B1 KR 101638302B1
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KR
South Korea
Prior art keywords
fastening
link
side rail
inner body
connector
Prior art date
Application number
KR1020160035645A
Other languages
Korean (ko)
Inventor
이주섭
Original Assignee
이주섭
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Publication date
Application filed by 이주섭 filed Critical 이주섭
Priority to KR1020160035645A priority Critical patent/KR101638302B1/en
Application granted granted Critical
Publication of KR101638302B1 publication Critical patent/KR101638302B1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0456—Ladders or other supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/26—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts

Abstract

The purpose of the present invention is to provide a cable tray capable of improving strength while reducing time for assembling and installing a traditional cable tray. The cable tray according to the present invention comprises: multiple side rails; and an inner coupling part combined with the inner side of the side rails and an outer coupling part combined with the outer side of the side rails, as a means for connecting the side rails. The inner coupling part includes: an inner body; multiple connectors formed on the inner body to protrude; and a rotational shaft formed with a size to protrude after passing through a hole formed on the side rails. The outer coupling part includes: an outer coupling part body having a rotational shaft inserting hole into which the rotational shaft protruding after passing through the side rails can be inserted; and multiple coupling links bent at a predetermined angle while extending from the outer coupling body. Each of the coupling links is formed with a shape to be inserted into each of the connectors by the rotation of the outer coupling part.

Description

Cable tray {Cable tray}

The present invention relates to an apparatus for coupling a cable tray, and more particularly, to a coupling apparatus capable of remarkably reducing the time required for coupling the cable trays while strengthening the connection of the cable trays.

Generally, a cable is installed inside a ceiling, a floor, or a wall to supply power or fluid to an offshore structure such as a factory or a plant or an offshore structure such as a ship.

The cable tray is a support made of metal or the like for supporting a plurality of cables arranged on a ceiling, a floor, or the like.

The cable tray connects a plurality of tray units with a connecting device such as a joint, with a tray unit having a predetermined length as a unit. However, in such a bolt type cable tray connecting apparatuses, a pair of tray units have a structure in which a cover plate is attached to an adjacent end portion and a hole is pierced and connected by bolts. In order to withstand the load of the cable tray, . Therefore, when a large building is constructed, a large number of cable trays are connected, which makes it difficult to tighten a plurality of bolts in a narrow space.

(Patent Document 1) KR10-1587590 B

Patent Document 1 discloses a structure using a connector which is in close contact with an inner surface of a side rail so that a grid link protrudes through a side rail serving as a tray unit and a lock bar formed so as to be vertically fit into a grid link protruding from the connector have.

That is, in this structure, the plurality of side rails are fixed by the side rails extending in the transverse direction and the lock bars fastened to the connector in the direction perpendicular to the longitudinal direction of the side rails.

However, since the lock bar is fastened in the direction perpendicular to the direction in which the side rails extend, the fastening force / fastening force in the longitudinal direction of the side rail (cable tray) and in the direction perpendicular thereto is concentrated, There is a problem that the coupling force is deteriorated with respect to the direction not perpendicular to the direction or the direction of rotation.

It is an object of the present invention to provide a cable tray capable of improving the strength while reducing the assembly time and construction time of a conventional cable tray.

The cable tray of the present invention includes a plurality of side rails and means for connecting the side rails, wherein the cable tray includes an inner fastening portion coupled to the inside of the side rail and an external fastening portion coupled to the outside of the side rail, A plurality of connectors formed to protrude on the inner body, and a rotation shaft having a size protruded through the holes formed in the side rails, wherein the outer fastening portions protrude through the side rails An outer coupling body formed with a rotation shaft insertion hole into which the rotation shaft can be inserted and a plurality of coupling links extending from the outer coupling body and bent at a predetermined angle, The connector can be inserted into each of the connectors by rotation. .

According to the cable tray of the present invention, since the inner fastening portion and the outer fastening portion can be joined by a simple operation, there is an advantage that the cable tray assembly and the construction time are remarkably reduced.

Further, in the present invention, since the fastening link of the outer fastening portion is engaged with the connector of the inner fastening portion by rotation, and the fastening link and the connectors can be installed in various directions and angles, It has a merit that the durability which can be tolerated even if it occurs in the direction of the direction is greatly improved.

1 is a view showing a state in which a coupling means is fastened to a cable tray of the present invention.
2 is a view for explaining the engagement relationship between the inner fastening portion and the side rail according to the present invention.
3 is a view for explaining a portion where the inner fastening portion and the outer fastening portion of the present invention are engaged with each other in relation to the side rail.
4 is a view showing a detailed configuration of an inner fastening part constituting a cable tray of the present invention.
5 is a view showing a state in which an inner fastening portion is engaged in a state where the ends of a pair of side rails are in contact with each other according to an embodiment of the present invention.
6 is a view for explaining an outer fastening part of the present invention.
7 is a view showing the case where the outer fastening portion of the present invention is placed on the outer peripheral surface of the side rail.
FIGS. 8 to 10 are views for explaining a process of rotating the outer fastening unit to couple the inner fastening unit and the outer fastening unit according to an embodiment of the present invention.
11 and 12 are views showing the configuration of a cable tray according to a second embodiment of the present invention.
13 and 14 are views showing the configuration of a cable tray according to a third embodiment of the present invention.
15 is an example of a case where the central portion of the inner fastening portion of the present invention is formed so as to be bent at a predetermined angle.
16 is a view showing a configuration of an inner fastening part and an outer fastening part used when the cable tray is formed to be inclined according to the embodiment of the present invention.
FIG. 17 is a view showing the detailed structure of the outer fastening portion of FIG. 16;
18 and 19 are views showing a process of joining an inner fastening part and an outer fastening part of the present invention.
20 is a view showing a state in which a cable tray is bent by using an inner fastening portion formed with a body for external connection according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. , ≪ / RTI > equivalents, and alternatives.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

1 is a view showing a state in which a coupling means is fastened to a cable tray of the present invention.

1, the cable tray of the present embodiment includes a plurality of side rails 1, 2, 3, and 4, an inner coupling portion 100 as a means for connecting the side rails, and an outer coupling portion 200 .

The inner fastening part 100 is disposed on the inner circumferential surface of the side rail and the outer fastening part 200 is disposed on the outer circumferential surface of the side rail and is fastened to the connector exposed through the hole formed in the side rail.

These structures can be made of hot-dip galvanized steel sheets or stainless steel materials. In the high-humidity environment of the building, the cross-sectional areas of the parts should be excellent in corrosion resistance. For this purpose, zinc, magnesium, and aluminum Alloy-coated steel sheet.

Since the length and the route of cables installed in a space such as a building or a tunnel are not constant, the cable tray is produced by being divided into unit members having a predetermined size such as a plurality of side rails 1, 2, 3, , The unit members are connected to each other according to the length or route of the cable.

The cable tray must be made to have a rigidity that can withstand the load of the cable above all. If the entire cable tray is made in the form of a flat plate, not only a large amount of material is consumed in making the cable tray, It is difficult to adhere to the ceiling, which is undesirable. Accordingly, in the present invention, both side walls of the cable tray are formed of a plurality of side rails (1, 2, 3, 4) in the form of a rectangular plate, and the bottoms of the cable trays are spaced apart from each other by a predetermined distance, (10).

The inner fastening part 100 and the outer fastening part 200 for interconnecting the plurality of side rails according to the present invention will be described in detail with reference to the drawings.

FIG. 2 is a view for explaining an engagement relationship between an inner fastening portion and a side rail according to the present invention, and FIG. 3 is a view for explaining a portion where an inner fastening portion and an outer fastening portion of the present invention are engaged with each other in a relation with a side rail .

Hereinafter, a structure for joining the first side rail 1 and the second side rail 2 shown in FIG. 1 using the inner fastening portion and the external fastening portion will be described in detail. The third side rail 3 And the fourth side rail 4 may be combined in the same manner.

2 and 3, at least one insertion hole 11, 12, 13 is formed in each of the side rails 1, 2. The number, formation position and size of these insertion holes are formed so as to be equally symmetrical to the first side rail 1 and the second side rail 2. In the field where the cable tray is assembled, since a plurality of side rails are manufactured by using the equipment for bending a steel sheet or forming a hole in a steel sheet, the size and number of the holes to be formed, And the like are formed to be equal to each other.

The inner side fastening part 100 of the present invention is formed on the inner side surfaces of the first and second side rails 1 and 2 and the inner fastening part 100 is shown in detail with reference to FIG. I see.

The inner fastening part 100 of the present invention is characterized in that the first side rail 1 and the second side rail 2 are connected to each other by a first inner side A second inner body 102 which is in contact with the inner side surface of the second side rail 2 and a second inner body 102 which is recessed by a predetermined depth between the first inner body 101 and the second inner body 103, And a groove portion 103 formed therein. The groove portion 103 is provided to improve the overall bending strength and durability of the inner coupling portion 100. It is also possible that the groove portion 103 is not formed depending on the material of the inner coupling portion.

The first inner body 101 is formed with at least one protruded connector, and the upper and lower sides thereof have a surface 110 bent to be received in the inner side surface of the side rail.

2 to 4 illustrate a case where three connectors are formed on the first inner body 101. As will be described later, the number and position of the connectors can be variously changed according to the modification of the embodiment will be.

The number and position of the connectors formed on the inner body 101 correspond to the positions and sizes of the insertion holes 11, 12 and 13 formed in the side rails 1, The first to third connectors 111, 112 and 113 are disposed at predetermined intervals or at a predetermined distance from the side rails 1 and 2. The first to third connectors 111, 12, and 13 are formed.

The first inner body 101 and the first to third connectors formed on the second inner body 102 are formed in the same manner. The connectors of the first inner body 101 and the second inner body 102 are not formed symmetrically about the longitudinal direction of the groove portion 103 but are formed symmetrically with respect to the longitudinal direction of the groove portion 103 The connectors are formed in the second inner body 102 according to the shape and position of the connector when the rotary shaft 133 formed on the second inner body 103 is rotated 180 degrees about the rotation axis 133.

That is, the first connector 111 of the first inner body 101 is formed to be symmetrical with the sixth connector 123 formed on the second inner body 102 about the rotation shaft 133, The second connector 112 of the body 101 is formed to be symmetrical with respect to the fifth connector 122 of the second inner body 102 about the rotation axis 133. The rotating shaft 133 is rotated 180 degrees with respect to the reference point. The symmetry about the rotation axis 133 is also the same for the insertion holes 11, 12, 13, 21, 22, and 23 formed in the side rails 1 and 2.

The connectors include connectors positioned within the same distance about the rotation axis 133 and at least one connector located at another distance. For example, the first connector 111, the third connector 113, the fourth connector 121, and the sixth connector 123 are formed to be located within the same distance with respect to the rotation shaft 133, 2 connector 112 and the fifth connector 122 can be designed so that the distance to the rotation shaft 133 is further increased.

It is also possible that all the connectors are formed on the same radius of curvature, that is, on the same radius of curvature, but at least one of the connectors is formed so that the distance from the other connectors to the rotation axis 133 is further increased, The strength of the cable tray can be further improved.

The connector is protruded by a predetermined thickness from the first inner body 101 so that the connector is spaced from the half pipe (half) such that a predetermined thickness of the outer coupling part rotating means 400 (see FIG. 8) -pipe.

That is, the ends of the respective connectors are formed so as to be in contact with the inner body 101, and a portion except for the portion contacting the inner body 101 is spaced apart from the surface of the inner body 101 by a predetermined distance, Thereby forming a space into which the member of the first embodiment can be inserted.

4, each of the connectors includes a first end portion 112a contacting the outer peripheral surface of the inner body 101 and a second end portion 112b extending from the first end portion 112a. And a second end portion 112c extending from the connector body 112b and contacting the outer circumferential surface of the inner body 101. The connector body 112b is formed to be spaced apart from the outer circumferential surface of the inner body 101 by a predetermined distance.

When the integrally formed first and second inner bodies 101 and 102 are brought into contact with the inner circumferential surface of the side rail 1, the connectors protruding as described above are inserted into the insertion holes 11 and 12 of the side rails 1 and 2, 12, 13, 21, 22, 23).

A first rotation axis insertion hole 15 is formed in an end portion of the first and second side rails 1 and 2 to allow a rotation shaft 133 formed in the groove portion 103 of the inner coupling portion 100 to pass therethrough do. The first rotation axis insertion hole 15 is formed in a hemispherical hole having a size about half the length of the longitudinal axis of the rotation shaft 133 so that the ends of the first side rail 1 and the second side rail 2 A hole having a size allowing the rotation shaft 133 to pass therethrough is formed.

Particularly, the fact that the holes through which the rotating shaft 133 passes through the side rails are formed by contacting both ends of the first side rail 1 and the second side rail 2 can further increase the strength of the cable tray .

That is, when a force is exerted on the contact portions of the first and second side rails 1 and 2, the first rotation axis insertion hole 15, which is a hemispherical hole formed in the end portions of the first and second side rails 1 and 2, Since the rotation axis 133 is inserted into the first rotation axis insertion hole 15, the applied force is transmitted to the rotation axis and the direction of the applied force is transmitted in the longitudinal direction of the rotation axis, Dispersion can be easily achieved.

5 is a view showing a state in which an inner fastening portion is engaged in a state where the ends of a pair of side rails are in contact with each other according to an embodiment of the present invention.

5 shows a state in which the end faces of the first side rail 1 and the second side rail 2 are brought into contact with each other and then the inner fastening part 100 is engaged.

The first through third insertion holes 11, 12 and 13 formed in the first side rail 1 are connected to the first through third connectors 111, 112 and 113 formed in the first inner body 101 of the inner fastening part 100, Respectively.

Accordingly, if the positions or sizes of the connectors are changed, the insertion holes must also be changed to correspond to the insertion holes.

When the inner fastening portion 100 is engaged with the inner peripheral surface of the side rail, the cutters protrude through the insertion hole. At this time, the rotation shaft 133 formed in the groove portion 103 of the inner fastening portion 100 and protruding to a predetermined thickness is also positioned to protrude from the outer circumferential surface of the side rail.

The connectors and the rotation axis are sized and shaped to be engageable with an outer fastening portion described later.

The structure of the outer coupling part 200 of the present invention in which the first side rail 1 and the second side rail 2 are coupled to each other by being fastened to the inner coupling part 100 will be described in detail.

FIG. 6 is a view for explaining an outer fastening portion of the present invention, and FIG. 7 is a view showing the case where the outer fastening portion of the present invention is placed on the outer peripheral surface of the side rail.

8 to 10 are views for explaining the process of rotating the outer fastening unit to couple the inner fastening unit and the outer fastening unit according to the embodiment of the present invention.

6, the outer fastening part 200 includes a second rotary shaft insertion hole (not shown) having a size into which the rotary shaft 133 can be inserted, and an outer fastening part 200 coupled to the outer circumferential surface of the side rail 1, And a plurality of coupling links 211, 212, 213, 221, 222, 223 extending from the outer coupling body 201. [

In particular, each of the fastening links is formed to extend from the outer fastening body 201 to be bent at a predetermined angle, and the fastening protrusions 211a, 212a, 213a, 221a, 222a, and 223a are formed.

When the rotary shaft 133 is inserted into the second rotary shaft insertion hole 202 and then rotated, the fastening link of the outer fastening part 200 is inserted and fixed to the inside of the connector.

7, the fastening link constituting the outer fastening portion according to the present embodiment is formed by a link extension (not shown) extending from the outer fastening body 201, A link bending portion 213c formed to be bent at a predetermined radius of curvature from the link extending portion 213b and a latching protrusion 213c formed to protrude a predetermined thickness from the upper surface of the link bending portion 213c 213a.

The link bending portion 213c is formed so as to have a predetermined radius of curvature from the link extending portion 213b so that the end of the link extending portion 213b is spaced apart from the outer fastening body 201 .

The link bending portion 213c is bent so as to have a predetermined radius of curvature centering on the second rotation axis insertion hole 202 so that the link bending portion 213c is rotated by the inner fastening portion 213c when the outer fastening portion 200 is rotated. The interference on the path to be inserted into the connector of the connector 100 is reduced.

6, the second fastening link 212, which is formed between the first fastening link 211 and the third fastening link 213, is formed so as to have a larger radius of curvature, A bending portion may be formed. The link bending portion of the second fastening link formed between the first and third fastening links may be formed larger than the link bending portion of the first and third fastening links in order to further improve the coupling force with the side rails.

That is, three connectors are formed on each of the first inner body and the second inner body of the inner fastening part 100, and six fastening links are formed on the outer fastening part 200 so as to be coupled to the six connectors The second fastening link 212 and the fifth fastening link 222 can be formed larger.

In this case, the second connector 112 formed on the first inner body 101 and the fifth connector 122 formed on the second inner body 102 are also separated from the rotation shaft 133 It is formed at a great distance.

The latching protrusion 211a protruded by a predetermined thickness from the upper surface of the fastening link is formed to have such a thickness that the position thereof can be fixed when the latching protrusion 211a is inserted into the connector 101 of the inner fastening part 100 .

In addition, the outer fastening part 200 of the present invention may be provided with a separate member such as the outer fastening part rotating means 400, or may be used to easily rotate the outer fastening part 200 by hand At least one rotation part 231, 232 is formed.

The rotation parts 231 and 232 are formed so as to protrude from the outer fastening part body 201 so that a predetermined member can pass therethrough. The rotating portion 231 includes a first rotating end portion 231a contacting the outer connecting portion body 201 and a second rotating end portion 231b extending from the first rotating end portion 231 and contacting the outer connecting portion 231. [ A rotating body 231b formed at a predetermined distance from the outer circumferential surface of the secondary body 201 and a second rotating end 231c extending from the rotating body 231b and contacting the outer coupling body 201 .

In the figure, there is illustrated a case where pairs of rotators are symmetrical about the second rotation axis insertion hole 202 as an example.

7, the rotation shaft 133 of the inner coupling part 100 is inserted into the second rotation shaft insertion hole 202 of the outer coupling part 200 of the present invention.

8 to 10, the L-shaped outer fastening part rotating means 400 is inserted into the first and second rotating parts 231 and 232, and the outer fastening part rotating means 400 is rotated The respective fastening links formed in the outer fastening part 200 are inserted into the connector holes of the inner fastening part 100, thereby coupling the cable trays.

In order to engage the first side rail 1 and the second side rail 2, the inner fastening portion 100 and the outer fastening portion 200 are respectively mounted on the inner side surface and the outer side surface of the side rail, Since the plurality of fastening links and the plurality of connectors are engaged at the same time, the time required for installing the cable tray can be remarkably reduced.

Further, the fastening links formed on the outer fastening portions are formed to be bent at a predetermined angle, and the respective fastening links are different in angle and position to be engaged with the connector, There is an advantage that the loading ability is greatly improved.

In the above embodiment, in order to construct the cable tray of the present invention, three insertion holes are formed in the respective side rails, and an inner fastening part 100 in which the first inner body and the second inner body are integrally formed has six Connectors are formed and six fastening links are formed in the outer fastening part 200 coupled with the connectors of the inner fastening part 100. [

However, depending on the embodiment, as shown in Figs. 11 to 14, the number thereof may be variously changed.

11 and 12 are views showing the configuration of a cable tray according to a second embodiment of the present invention.

11 and 12, one insertion hole 11 and 21 are formed in each of the first side rail 1 and the second side rail 2, and the first inner body One connector 511 and 521 may be formed in each of the first inner body and the second inner body.

In this case, two fastening links 611 and 621 are also formed in the outer fastening part 600 having a hole into which the rotary shaft 533 formed in the inner fastening part 500 is inserted, and each fastening link is connected to the first side rail 1 and the second side rails 2, respectively.

13 and 14 are views showing the configuration of a cable tray according to a third embodiment of the present invention.

13 and 14, two insertion holes 11, 12, 21 and 22 are formed in each of the first side rail 1 and the second side rail 2, Two connectors 711, 712, 721, and 722 may be formed on the first inner body and the second inner body, respectively.

In this case, four fastening links 811, 812, 821, and 822 are also formed in the outer fastening part 800 having a hole into which the rotation shaft 733 formed in the inner fastening part 700 is inserted, do.

The number of connectors of the inner fastening portion and the number of fastening links of the outer fastening portion inserted and fixed to the connector may be changed and added in various ways according to the embodiments.

In the case of the above-described embodiments, the case where the side rails are arranged in a straight line and coupled, and the case where the cable tray is installed so as to be bent at a predetermined angle or bent should be described.

15 is an example of a case where the central portion of the inner fastening portion of the present invention is formed so as to be bent at a predetermined angle.

15, the inner fastening portion 100 of the present embodiment includes a first inner body 101 and a second inner body 102 as described above, and the first inner body 101 and the second inner body 102, And at least one concave portion 103a and a convex portion 103b formed between the inner body 102 and the inner body 102 so as to be bent at a predetermined angle.

That is, at a portion connecting the first inner body 101 and the second inner body 102, at least one concave portion 103a and a convex portion 103b may be formed.

In this case, the inner fastening part 100 may be partially bent by the wrinkle part, and the outer fastening part coupled to the connectors 111, 112, 113, 121, 122, and 123 of the inner fastening part 100 may be bent .

In addition to such a case, the first inner body and the second inner body constituting the inner fastening portion may be separated from each other, and the outer fastening portion may be formed so as to correspond to the bent cable tray.

This will be described in detail with reference to FIGS. 16 to 20 attached hereto.

FIG. 16 is a view showing a configuration of an inner fastening part and an external fastening part used when the cable tray is formed to be inclined according to the embodiment of the present invention, FIG. 17 is a view showing the configuration of the outer fastening part of FIG. 18 and 19 are views showing a process of joining an inner fastening part and an outer fastening part of the present invention.

20 is a view showing a configuration in which a cable tray is bent by using an inner fastening portion formed with an external connecting body according to an embodiment of the present invention.

In the case where the cable tray is to be bent so as to be bent in a building or a tunnel, such a configuration may be difficult in the above-described embodiments. Therefore, when the cable tray is bent so as to be bent at a desired angle, it is possible to arrange the cable tray at various angles by using the inner fastening portion formed with the body for external connection and the outer fastening portion configured to be coupled to the inner fastening portion according to the embodiment of the present invention It is possible to construct a cable tray.

16 to 20, the side rail 1 is constructed as described above, but a separate shaft insertion hole 15 is formed on the end side .

The inner coupling part 900 coupled to the inner side of the first side rail 1 includes an integrally formed inner body 901 and an outer coupling body 902.

The inner body 901 is an area accommodated in the inner side surface of the first side rail 1 and an outer connecting body 902 extending from the inner body 901 is formed outside the first side rail 1 And becomes an exposed area.

The first to third connectors 911, 912, and 913 are formed in the inner body 901 to have a size and shape that can be inserted into the first to third insertion holes 11, 12, and 13 formed in the first side rail 1 . Each of the connectors includes a first end portion 911a in contact with the inner body 901 and a second end portion 911b extending from the first end portion 911a so as to be spaced apart from the inner body 901 surface by a predetermined distance And a second end portion 911c bent from the connector 911b and configured to contact the surface of the inner body 901. The connector body 911b includes a connector body 911b,

The inner body 901 is formed with a rotary shaft 933 having a size that can pass through the rotary shaft insertion hole 15 formed in the first side rail 1 and protrude therefrom.

The rotation shaft 933 is formed at a position where the rotation shaft 933 can pass through the rotation shaft insertion portion 15 formed in the side rail 1.

An external connecting body 902 extended from one side of the inside body 901 and exposed to the outside of the side rail 1 when the inside body 901 is accommodated in the side surface of the side rail 1 I see.

The external connection body 902 may have a circular shape having a predetermined curvature as shown in the drawing, or may be formed in a variety of shapes such as a square shape or a triangle shape according to an embodiment.

The coupling member insertion hole 920 may be formed in the external connection body 902 to be coupled to the second external connection body using an external separate fastening member. The case where the first side rail and the second side rail are formed to be bent using a pair of the external connection bodies 902 is illustrated in FIG.

A description will now be given of the structure of the outer coupling part 1000 which is coupled to the connectors of the inner coupling part 900 after the inner coupling part 900 is accommodated in the inner side surface of the side rail 1. [

The outer fastening part 1000 is composed of an outer fastening part body 1001 having a second rotation axis insertion hole 1002 into which a rotation axis 933 of the inner fastening part 900 is inserted, Is formed in the same straight line shape as one side end of the side rail 1.

The first to third fastening links 1011, 1012, and 1013 are formed on the outer fastening body 1001 to have a predetermined radius of curvature. Each of the fastening links is configured to be fastened to each of the projecting connectors passing through each of the insertion holes formed in the side rail 1.

That is, since the fastening links are formed to extend from the external fastening body 1001 and are bent with a predetermined radius of curvature, as shown in FIG. 18, the second rotary shaft insertion holes 1002 by rotating the outer coupling part 1000 clockwise or counterclockwise, each of the coupling links is inserted into the inner space of the connector. As shown in Fig. 19, each fastening link is inserted into each of the protruding connectors.

Each of the fastening links extends outward from the outer fastening body 1001 and has a predetermined radius of curvature around the second rotary shaft insertion hole 1002. [ And is bent.

Also, as described in the foregoing embodiment, at least one rotation unit 1031 and 1032 for inserting the outer coupling unit rotation unit is formed in the outer coupling unit 1000.

20 shows a case where the side rails are formed so as to be bent at a predetermined angle using the inner fastening portions and the outer fastening portions of the present invention.

An outer coupling part 1000 having an inner coupling part 900 made up of an outer coupling body 902 and an inner body 901 and having a coupling linkable with connectors formed in the inner body 901, It is possible to arrange the side rails 1 and 2 so as to be bent by a predetermined angle.

By fastening the fastening member 1100 in the fastening member insertion hole 902 formed in each of the external connecting bodies 902, an inner fastening portion coupled to the first side rail 1 and an inner fastening portion coupled to the second side rail 2 are engaged with each other.

By varying the angle between the inner fastening portions, the angle of deflection of the side rails can be determined.

Claims (5)

A plurality of side rails,
And means for connecting the side rails, wherein the means for connecting the side rails includes an inner fastening portion coupled to the inside of the side rail, and an external fastening portion coupled to the outside of the side rail,
Wherein the inner fastening portion includes an inner body, a plurality of connectors formed to protrude on the inner body, and a rotating shaft sized to protrude through holes formed in the side rails,
Wherein the outer fastening part includes an outer fastening part body formed with a rotation axis insertion hole into which the rotation shaft protruding through the side rail can be inserted, and a plurality of fastening links extending from the outer fastening part body, Including,
Each of the fastening links has a shape that can be inserted into each of the connectors by rotation of the outer fastening portion,
A link extension portion extending outward from the outer fastening portion body; a link bending portion formed to have a predetermined radius of curvature from the link extension portion and bent to a predetermined thickness; And a latching protrusion inserted into the connector,
The fastening link including a first fastening link and a second fastening link,
A first link bending portion constituting the first fastening link and a second link bending portion constituting the second fastening link,
Wherein a radius of curvature in which the first link bend portion is bent and a radius of curvature in which the second link bend portion is bent are different sizes. The method according to claim 1,
Wherein the side rails include a first side rail and a second side rail,
Wherein the inner fastening portion is integrally formed with a first inner body coupled to the first side rail and a second inner body coupled to the second side rail,
At least one connector is formed in each of the first inner body and the second inner body,
Wherein the first and second side rails are formed with insertion holes of a size and position such that the connector can be inserted. delete 3. The method of claim 2,
Wherein the connector is disposed at locations having radii of curvature different from each other about the axis of rotation. The method according to claim 1,
Wherein the inner fastening portion comprises an inner body formed with the connector and an outer connecting body extending from one end of the inner body,
The inner body being sized to be received within the side rail,
The outer fastening part includes an outer fastening part body formed with a fastening link coupled to the connector formed on the inner body by rotation, and one end surface of the external fastening part body is formed to correspond to one end surface of the side rail cable tray.
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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN109038413A (en) * 2018-10-09 2018-12-18 江苏泰华消防电气设备有限公司 A kind of gantry elbow convenient for adjusting angle
KR20190000001A (en) * 2017-06-21 2019-01-02 이병하 Structure for connecting cable tray
KR101970595B1 (en) * 2018-08-07 2019-04-19 권오덕 Non―bolt type cable tray of one―touch assebly
KR20190119427A (en) 2018-04-12 2019-10-22 알앤더스 주식회사 cable tray
KR102193750B1 (en) * 2020-05-29 2020-12-21 주식회사 이노플라텍 One touch type cable tray
KR102303740B1 (en) * 2021-04-14 2021-09-16 이주섭 Cable tray
CN114336440A (en) * 2021-11-18 2022-04-12 南京润杰电控设备有限公司 High-adaptability multi-angle elbow bridge
CN115189303A (en) * 2022-09-09 2022-10-14 兴化市永盛电力器材有限公司 Safe insulating type cable testing bridge
KR102551741B1 (en) * 2023-02-08 2023-07-04 이주섭 Joint assembly for earthquake-resistant cable tray

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KR890002659Y1 (en) * 1986-07-16 1989-04-29 서의영 Vehicle wheel attaching device
KR100993138B1 (en) * 2010-05-26 2010-11-09 육홍수 Structure for connecting cable tray
KR20150102277A (en) * 2014-02-28 2015-09-07 삼성중공업 주식회사 Cable tray connector with earth connection and supporting function

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KR890002659Y1 (en) * 1986-07-16 1989-04-29 서의영 Vehicle wheel attaching device
KR100993138B1 (en) * 2010-05-26 2010-11-09 육홍수 Structure for connecting cable tray
KR20150102277A (en) * 2014-02-28 2015-09-07 삼성중공업 주식회사 Cable tray connector with earth connection and supporting function

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190000001A (en) * 2017-06-21 2019-01-02 이병하 Structure for connecting cable tray
KR101967288B1 (en) * 2017-06-21 2019-04-09 이병하 Structure for connecting cable tray
KR20190119427A (en) 2018-04-12 2019-10-22 알앤더스 주식회사 cable tray
KR101970595B1 (en) * 2018-08-07 2019-04-19 권오덕 Non―bolt type cable tray of one―touch assebly
CN109038413A (en) * 2018-10-09 2018-12-18 江苏泰华消防电气设备有限公司 A kind of gantry elbow convenient for adjusting angle
CN109038413B (en) * 2018-10-09 2024-02-23 江苏泰华消防电气设备有限公司 Bridge elbow convenient for angle adjustment
KR102193750B1 (en) * 2020-05-29 2020-12-21 주식회사 이노플라텍 One touch type cable tray
KR102303740B1 (en) * 2021-04-14 2021-09-16 이주섭 Cable tray
CN114336440A (en) * 2021-11-18 2022-04-12 南京润杰电控设备有限公司 High-adaptability multi-angle elbow bridge
CN114336440B (en) * 2021-11-18 2024-03-19 南京润杰电控设备有限公司 High-adaptability multi-angle elbow bridge
CN115189303A (en) * 2022-09-09 2022-10-14 兴化市永盛电力器材有限公司 Safe insulating type cable testing bridge
KR102551741B1 (en) * 2023-02-08 2023-07-04 이주섭 Joint assembly for earthquake-resistant cable tray

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