KR20140132845A - A for Cable Tray - Google Patents

A for Cable Tray Download PDF

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Publication number
KR20140132845A
KR20140132845A KR20130051639A KR20130051639A KR20140132845A KR 20140132845 A KR20140132845 A KR 20140132845A KR 20130051639 A KR20130051639 A KR 20130051639A KR 20130051639 A KR20130051639 A KR 20130051639A KR 20140132845 A KR20140132845 A KR 20140132845A
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KR
South Korea
Prior art keywords
compression
plate
fastening
pressing
cable tray
Prior art date
Application number
KR20130051639A
Other languages
Korean (ko)
Inventor
김승호
Original Assignee
김승호
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김승호 filed Critical 김승호
Priority to KR20130051639A priority Critical patent/KR20140132845A/en
Publication of KR20140132845A publication Critical patent/KR20140132845A/en

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Classifications

    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
    • 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
    • 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
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/081—Bases, casings or covers
    • 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
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/086—Assembled boxes
    • 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
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/14—Fastening of cover or lid to box

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

The present invention is characterized in that a coil spring is inserted into a fastening bolt inserted into a fastening hole of a compression flat iron and screwed to a nut hole of a fastening nut, It is a cable tray fastener that features.
According to the present invention, since the compression piece is bent downward at the edge of the compression plate forming the compression flat plate, the compression plate placed on the wing portion of the beam is strongly pressed (held) by the compression piece, Thereby preventing the beam from being slipped off or slipping. Further, the beam can be firmly installed (fixed) on the upper side of the channel.
In addition, according to the present invention, the pressing projections are formed at regular intervals on the inner surface of the pressing plate formed with the pressing piece at the edge, so that the pressing plate can press (grip) the wing part more strongly.

Description

A Cable Tray Fixture {A for Cable Tray}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable tray fixing apparatus for fixing a cable tray used for wiring or wiring pipes or the like to a channel.

To be more specific, a coil spring is inserted into a fastening bolt inserted into a fastening hole of a pressing flat, and the fastening bolt is screwed to a nut hole of a fastening nut. At the edge of the pressing flat to form the pressing flat, Thereby preventing the phenomenon that the compression plate placed on the wing portion of the beam is strongly pressed by the compression piece to improve the pressing force (fixing force) to be separated or slipped, and the beam is installed firmly on the upper side of the channel (Fixed) the cable tray.

Typically, the tray 30 is installed as illustrated in FIG. 4A.

A pair of beams 31 in the C shape are arranged so that the wing portions 32 are opposed to each other and a support base 33 is fixed at fixed intervals on the opposed lower side wing portions 32, And the channel 34 is arranged at regular intervals so as to intersect with the beam 31 on the lower side.

A cover 25 is attached to both ends of each channel 34 and each cover 35 is attached to the lower end of a support bolt rod 36 whose one end is fixedly mounted on the ceiling, 34 and the wing portion 32 of each beam 31 are fixed by a cable tray fixing device.

The conventional cable tray fixing apparatus for fixing the channel 34 and the wing portions 32 of the beams 31 as described above is composed of a compression flat plate, a fastening nut piece, a coil spring, and a fastening bolt.

The compression flat formed in the shape of a rectangle has a fastening hole at one side so as to be able to insert the fastening bolt. The fastening nut piece is formed in a rectangular shape of 1/2 size of the compression flat, and a nut hole Respectively.

A coil spring is inserted into the fastening bolt inserted through the fastening hole of the compression flat steel in a state in which the coil spring is interposed between the pressing flat and the fastening nut piece and is screwed to the nut hole of the fastening nut piece.

However, since the compression spring and the fastening nut do not have a device for capturing or restraining the coil spring, the coil spring sandwiched therebetween is not properly aligned to the outside of the fastening bolt, and comes into contact with one side of the fastening bolt, The pressing force generated between the pressing flat and the clamping nut piece is biased to one side, so that the channel 34 can not be firmly mounted on the beam 36. [

Further, when the fastening bolts were fastened, the fastening nut pieces could not be detached and rotated, so that the ducts could not be fixed to the beams as they moved out of the bent ends of the ducts.

In order to solve this problem, there have been proposed a domestic utility model registration No. 197016 "cable tray fixing device", a utility model registration No. 320783 "cable rack clamp" and a utility model registration No. 358753 " Spring "is known.

The utility model registration No. 197016 "Cable tray fixing device" is a device for screwing a fastening bolt inserted through a fastening hole of a compression body (compression flat steel) to a plate type nut (fastening nut piece) The rear end face of the nut is integrally connected by the connecting plate so as to maintain a predetermined gap therebetween. Thus, when the pressing body and the plate-like nut are coupled by the fastening bolt, the plate-like nut can be prevented from rotating.

However, since the compression body and the plate type nut are integrally formed by the connection plate, the plate type nut can not be easily coupled to the channel, and the compression body and the plate type nut maintain a constant gap. When the coupling plate is detached from the compression body or the plate-type nut, when the coupling bolt is engaged, the plate-type nut can not be detached and can not rotate and can not be moved out of the bent end of the channel to fix the channel to the beam .

In the "cable rack clamp" of Utility Model Registration No. 320783, bolt shafts and insertion protrusions are formed on the upper surface and the lower surface of the latch block to be mounted on the channel, and the bolt shafts are fastened with nuts by pressing members, .

However, since the upper surface of the take-up block is in a flat state, when the nut is fastened to the bolt shaft with the urging member engaged, when the coil spring is weak in strength, the fastening block is not detached, To the beam

However, when the coil spring is too strong, the coil spring is required to be loaded in the insertion protrusion when the coil spring is to be installed in the inside of the channel.

In the "VOLTAGE DISTRIBUTION SPRING" of Utility Model No. 358753, a guide hole is drilled on the outer side of the shaft hole in the wire clamp, an axis is formed on the outer surface of the plate formed at the center of the nut, and a coil spring The shaft is inserted into the guide hole when the fastening bolt is inserted into the shaft hole and the coil spring is inserted and screwed to the nut portion.

However, when the coil spring fitted to the outer side of the fastening bolt is biased to one side of the fastening bolt, the pressing force generated between the wire clamp and the plate is biased to one side and the duct can not be firmly attached to the beam. When the fastening bolt is fastened, the shaft is twisted and the plate is rotated to move out of the bent end of the channel and the channel can not be fixed to the beam. Since the upper surface of the plate to be loaded on the channel is formed flat, , The plate can not be detained and can not be fixed to the beam as it rotates out of the bend end of the channel.

In order to solve such a problem, the proposed No. 10-0710022 (cable tray fixing device) has a coil spring inserted into a fastening bolt inserted into a fastening hole of a compression flat, and screwed to a nut hole of a fastening nut An annular V groove is formed on the outer circumference of each of the fastening holes and the nut holes on the bottom surface of the compression flat steel and the upper surface of the fastening nut so that the upper and lower ends of the coil spring sandwiched between the fastening bolt and the compression flat, A plurality of binding holes are formed at regular intervals in each of the annular V-shaped grooves formed in the pressing flat and the clamping nut pieces, and a bundling bent piece is formed at the upper and lower ends of the coil spring, When the lower coil springs are loaded in the upper and lower annular V-grooves, the upper and lower ends of the coil spring are bent so as to form a bundle It was inserted to give the.

However, since the compression plate integrally formed on one surface of the compression flat plate is formed in a flat plate shape, the compression plate placed on the upper surface of the wing portion of the beam is maintained in a state of being simply connected so that the compression plate can not be strongly detached, And therefore, the beam can not be firmly installed (fixed) on the upper side of the channel.

The present invention is an improved cable tray anchor for fixing a cable tray (Cable Tray) used for wiring or wiring pipes or the like to a channel.

The present invention is characterized in that a compression spring inserted into a fastening hole of a compression flat steel is screwed to a nut hole of a fastening nut member with a coil spring interposed therebetween, and a compression spring is bent downward at an edge of a compression plate forming the compression flat steel; And a cable tray fixing device for fixing the cable tray.

Another object of the present invention is to provide a press-forming device for a press-forming device, which is formed by bending a press-fitting piece downward at an edge of a press-forming plate forming a press-forming flat, so that a press- (Fixing force) of the cable tray to prevent a dislocation or a slipping phenomenon, and to securely fix (fix) the beam on the upper side of the channel.

It is still another object of the present invention to provide a cable tray fixing device capable of forming a compression protrusion at an interval on the inner surface of a compression plate having an edge formed thereon at a predetermined interval so that it can be pressed more strongly.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects,

And a coil spring is inserted into the fastening bolt inserted into the fastening hole of the compression flat steel and screwed to the nut hole of the fastening nut.

A compression piece is formed at the edge of the compression plate forming the compression flat, so that the compression piece is bent downward;

Wherein the pressing projection is formed at an interval on the inner surface of the pressing plate forming the pressing flat.

The cable tray fastener according to the present invention is characterized in that the coil spring is inserted into the fastening bolt inserted into the fastening hole of the compression flat steel and screwed to the nut hole of the fastening nut, And is formed to be bent.

According to the present invention, since the compression piece is bent downward at the edge of the compression plate forming the compression flat plate, the compression plate placed on the wing portion of the beam is strongly pressed (held) by the compression piece, Thereby preventing the beam from being slipped off or slipping. Further, the beam can be firmly installed (fixed) on the upper side of the channel.

In addition, according to the present invention, the pressing projections are formed at regular intervals on the inner surface of the pressing plate formed with the pressing piece at the edge, so that the pressing plate can press (grip) the wing part more strongly.

1 is an exploded perspective view of a cable tray fixing apparatus according to the present invention;
FIGS. 2A and 2B are a perspective view and a cross-sectional view, respectively, of a coupled state of a cable tray fixing apparatus according to the present invention;
3 is an exploded perspective view showing another embodiment of a cable tray fixing apparatus according to the present invention.
4A and 4B are a perspective view and a sectional view showing a state in which a cable tray fixing device according to the present invention is installed in a cable tray.

These and other objects and features of the present invention will be more clearly understood from the following detailed description based on the accompanying drawings.

1 is a perspective view of a cable tray fixing apparatus according to a first embodiment of the present invention; FIG. 1 is a perspective view of a cable tray fixing apparatus according to a first embodiment of the present invention; 4A and 4B illustrate a cable tray fixing device 1 according to the present invention as a cable tray fixing device 1 according to the present invention. FIG. 3 is an exploded perspective view showing another embodiment of the cable tray fixing device 1 according to the present invention, Sectional view showing a state in which it is installed in the housing 30;

The cable tray fixing device 1 according to the present invention is formed of the compression flat plate 2, the fastening nut piece 10, the fastening bolt 16, and the coil spring 20.

The crushed flat steel (2) was formed as follows.

A compression plate 6 is integrally formed on one side of a fastening plate 3 which is formed in a rectangular shape and in which a fastening hole 3-1 is formed and in which a bending portion 3 formed between the fastening plate 3 and the compression plate 6 The compression plate 6 forms a higher step than the clamping plate 3 by means of the clamping plate 5 and a spring transfer hole 4 is formed around the clamping hole 3-1 in the clamping plate 3 Any one of the bundled bent pieces 21 and 22 of the coil spring 20 can be inserted and fixed.

Particularly, a compression piece 7 is formed by bending downward at the edge of the compression plate 6 and a compression protrusion 8 is formed on the inner surface of the compression plate 6 at regular intervals so as to protrude downward.

The compression piece 7 formed at the edge of the compression plate 6 is formed to be maintained at a predetermined angle ∠θ, preferably ∠10 to ∠90, so as to face outward on the horizontal line as illustrated in FIG. 2B And the pressing piece 7 can be formed in various shapes and shapes such as a saw tooth, a trapezoid, and an arc.

The pressing protrusions 8 protruding downward on the inner surface of the compression plate 6 may be formed of polygonal horns such as triangular pyramids and quadrangular pyramids, or may have various shapes and shapes such as conical or polygonal columns and cylinders.

The fastening nut piece 10 is formed in a rectangular shape with a nut hole 11 formed at the center thereof and a spring return hole 15 formed at the periphery of the nut hole 11, The coupling pieces 13 are formed on both sides of the inner surfaces of the coupling grooves 12. The coupling pieces 13 are formed on both sides of the coupling grooves 12 in the longitudinal direction, Were repeatedly formed in a zigzag manner.

The coil spring 20 is bent upward or downward to form upper and lower ends of the coil spring 20, respectively.

3 shows another embodiment of the cable tray fixing device 1 according to the present invention in which the compression flat steel 2, the fastening bolt 16 and the coil spring 20 are made of the same material as that of the embodiment shown in Figs. 1 to 2B Except that the fastening nut piece 10 is formed in the same manner as described above except that the spring detour hole 15 formed in the periphery of the nut hole 11 is formed as the spring detent groove 15-1 Respectively.

Hereinafter, the use (installation) state of the cable tray fixing apparatus 1 according to the present invention will be described.

The fastening bolt 16 is inserted into the fastening hole 3 of the compression flat steel 2 and the fastening bolt 16 exposed by the fastening hole 3 is fitted with the coil spring 20, The tip end of the fastening bolt 16 exposed downward is screwed to the nut hole 11 of the fastening nut piece 10 and loosely coupled.

The upper end binding bending piece 7 of the coil spring 20 is inserted into the binding hole 5 while the fastening bolt 16 is loosely fastened and the lower end binding bending piece 8 of the coil spring 20 is inserted into the binding hole 5, The coupling nut 8 is inserted into the coupling hole 15 while the coupling nut 10 is held in parallel with the width direction of the compression flat steel 2, The fastening bolt 16 is fastened again so that the assembled state is not disassembled.

4A and 4B, the cable tray fixing apparatus 1 according to the present invention is used to fix (mount) the channel 34 to the wing portion 32 of the beam 31 .

The fastening nut piece 10 is inserted into the channel 34 with the length of the fastening nut piece 10 coinciding with the upper space portion of the channel 34 and the fastening nut piece 10 is rotated, (10) intersects the upper portion of the channel (34) as illustrated in FIG. 3B, and in this state, the loosely fastened bolt (16) is screwed completely.

When the fastening bolt 16 is completely screwed, the fastening nut piece 10 that is downwardly shrunk by the coil spring 20 rises against the urging force of the coil spring 20, 10 into the binding groove 12 of the channel 34,

.

The fastening groove 12 of the fastening nut piece 10 rising against the elastic force of the coil spring 20 is screwed into the fastening groove 12 of the channel 34 (Installation) is completed.

When the cable tray fixing device 1 according to the present invention is installed, the fastening nut piece 10 is retained by the bent end (not specifically shown) of the channel 34 The channel 34 can be fixed to the beam 31 by pressing the wing portion 32 of the beam 31 by the compression plate 6 of the compression flat steel 2 held by the fastening bolt 16 have.

Particularly, when the channel 34 is fixed to the beam 31 by using the cable tray fixing device 1 as described above, the pressing piece 7 and the pressing projections 8 formed on the edge and inner surface of the pressing plate 6 Presses the upper surface of the beam 31 so that the crushing flat steel 2 will more strongly pull the beam 31 of the channel 34.

Therefore, the pressing flat steel 2 is prevented from being detached or slipped from the beam 31 due to the improved pressing force (fixing force), and the beam can be firmly installed (fixed) on the upper side of the channel.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art, and that modifications and variations are intended to be included within the scope of the appended claims.

1: Cable tray fixing device 2:
3: fastening plate 3-1: fastening hole
4. 15: spring trap 5: bend
6: compression plate 7:
8: compression protrusion 10: fastening nut piece
11: Nut ball 12: Coupling groove
13: Joint part 16: Tightening bolt
20: coil spring 30: cable tray
31: beam 32: Wing
33: support 34: channel
35: cover 36: bolt support bar

Claims (4)

And a coil spring is inserted into the fastening bolt inserted into the fastening hole of the compression flat steel and screwed to the nut hole of the fastening nut.
A pressing piece formed by bending the pressing piece downward at an edge of the pressing plate forming the pressing flat;
Wherein a compression projection is formed at an interval on an inner surface of a compression plate forming the compression flat. The press-forming apparatus according to claim 1, wherein the pressing piece is bent downward at an edge of the press plate;
Wherein the cable tray is bent at an angle of 10 to 90 degrees. The press-forming apparatus according to claim 1, wherein the pressing piece is bent downward at an edge of the press plate;
Wherein the cable tray fixing device is formed in any one of a saw-tooth shape, a trapezoid shape, and arc shape. The press-forming apparatus according to claim 1, wherein the pressing projection formed on the inner surface of the press plate to protrude downwardly comprises:
Wherein the cable tray fixing device is formed in any one of a polygonal cone, a cone, a polygonal column, and a cylinder.

KR20130051639A 2013-05-08 2013-05-08 A for Cable Tray KR20140132845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20130051639A KR20140132845A (en) 2013-05-08 2013-05-08 A for Cable Tray

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130051639A KR20140132845A (en) 2013-05-08 2013-05-08 A for Cable Tray

Publications (1)

Publication Number Publication Date
KR20140132845A true KR20140132845A (en) 2014-11-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR20130051639A KR20140132845A (en) 2013-05-08 2013-05-08 A for Cable Tray

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101861542B1 (en) * 2017-12-08 2018-05-28 (주)길종합건축사사무소이엔지 Power cable tray structure
KR101982561B1 (en) * 2017-12-11 2019-05-29 김병길 Seismic isolation clamping apparatus for use of cable tray
KR102083191B1 (en) * 2019-09-11 2020-03-02 (주)한길엔지니어링 holding apparatus of cable tray

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101861542B1 (en) * 2017-12-08 2018-05-28 (주)길종합건축사사무소이엔지 Power cable tray structure
KR101982561B1 (en) * 2017-12-11 2019-05-29 김병길 Seismic isolation clamping apparatus for use of cable tray
KR102083191B1 (en) * 2019-09-11 2020-03-02 (주)한길엔지니어링 holding apparatus of cable tray

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