KR102270664B1 - Connection box for vertical cable tray - Google Patents

Abstract

The present invention relates to a connection box for a vertical cable tray, which prevents connection members and connection plates, connecting a cable tray, from being largely shaken in a main body due to a vibration like an earthquake and, more specifically, to a connection box for a vertical cable tray comprising: a main body buried in a slab of a building, having a passage, through which a cable for communication lines and electric wires passes, therein, and having a burial part, facing the slab of the building, formed on the outer surface; and connection members installed on the inner surfaces of the main body along both sides of the passage respectively and having both sides, protruding from the passage, where cable trays are installed, respectively. The connection member includes: a close contact plate coming in close contact with the inner surface of the main body; vertical parts formed by vertically bending both sides of the close contact plate, respectively; fastening parts formed by vertically bending one side of the vertical parts not to face the close contact plate and having coupling holes formed on the outer surfaces wherein the coupling holes are coupled to coupling holes of the cable tray by means of coupling members; and an insertion space which is formed between the close contact plate and the vertical parts and into which the main body is inserted. In addition, the present invention relates to a connection box for a vertical cable tray, comprising: a main body buried in a slab of a building, having a passage, through which a cable for communication lines and electric wires is passed, formed therein, having a burial part, facing the slab of the building, formed on the outer surface and having coupling holes formed on the outer surface; and connection plates coming in close contact with the inner surfaces of the main body along both sides of the passage, having first coupling holes, coupled to the coupling holes by means of coupling members, formed on the outer surfaces and having second coupling holes formed on both outer surfaces protruding from the passage, wherein the second coupling holes are coupled to the coupling holes of the cable trays by means of coupling members.

Description

Connection box for vertical cable tray

The present invention relates to a connection box for a vertical cable tray, and more particularly, to a connection box for a vertical cable tray that prevents a connection member for connecting a cable tray and a connection plate from being greatly shaken in a main body by vibration such as an earthquake.

In general, while the vertical cable tray connection box is embedded in the slab of a building, the cable tray in which the cable for the communication line and the electric wire is installed is installed on both sides in the vertical direction.

That is, the vertical cable tray connection box connects the cable tray and allows the communication line and the cable for the electric wire to pass between the upper and lower floors of the building.

In this regard, Patent Document 1 discloses a joint connector device provided to connect a plurality of upright cable trays in a sleeve that is installed in a sleeve to be vertically connected, and is provided to connect the top and bottom cable trays in a sleeve that is opened up and down, the sleeve An intermediate plate attached to the inner surface, an upper plate extending above the middle plate, bent to be exposed to the outside of the upper surface of the sleeve, and further bent to be connected to the upper standing cable tray, and a lower surface of the sleeve extending below the intermediate plate a joint panel that is bent to be exposed to the outside and includes a lower plate bent so as to be connected to the lower standing cable tray, and is provided on both sides of the sleeve; A bolt-free joint of a sleeve for a standing cable tray comprising a; an auxiliary connector including an attachment plate attached to the inner surface of the sleeve between the joint panels, and an extension plate bent over the attachment plate and exposed to the outside of the upper surface of the sleeve A connector device was provided.

However, currently, in order to prevent the cable tray from shaking greatly due to vibration such as an earthquake, a connection box for a vertical cable tray different from Patent Document 1 is required.

Patent Document 1: Domestic Registered Patent No. 10-1930368 (Registered on December 12, 2018)

Accordingly, an object of the present invention is to provide a connection box for a vertical cable tray that prevents a connection member and a connection plate for connecting the cable tray from being largely shaken in the main body by vibration such as an earthquake.

In order to achieve the above object, the present invention is embedded in a slab of a building, in a vertical cable tray connection box that connects a cable tray in which a communication line and a cable for an electric wire are installed, embedded in the slab of a building, a communication line and A passage through which the cable for electric wire passes is formed inside, and a body in which a buried portion facing the slab of the building is formed on the outer surface; is installed on the inner surface of the main body on both sides of the passage; The connecting member is formed by vertically bending one side of the vertical part so as not to face the contact plate; and a contact plate that is in close contact with the inner surface of the main body; a vertical portion formed by vertically bending both sides of the contact plate, respectively; A vertical cable tray comprising: a fixing part having a fastening hole of the cable tray and a fastening hole fastened with a fastening member formed on the outer surface; and a fitting space formed between the contact plate and the vertical part to fit the body A connection box is provided.

In addition, the present invention is a connection box for a vertical cable tray that is embedded in the slab of a building and connects a cable tray in which a communication line and a cable for an electric wire are installed. A passage is formed inside, a buried portion facing the slab of the building is formed on the outer surface, and a main body having a fastening hole formed on the outer surface; A product that is in close contact with the inner surface of the main body on both sides of the passage and is fastened with a fastening hole and a fastening member A connection box for a vertical cable tray, characterized in that it includes a connection plate having one fastening hole formed on the outer surface, and a second fastening hole fastened to the cable tray fastening hole and the fastening member on both outer surfaces protruding from the passage to provide.

In the first embodiment of the present invention, since the main body is fitted in the fitting space of the connecting member, the connecting member does not significantly shake in the main body due to vibration such as an earthquake.

That is, there is an effect of preventing the connection member and the cable tray from being greatly shaken by vibrations such as earthquakes, and thus affecting the communication line and the cable for the electric wire.

In other words, there is an effect of preventing damage to the communication line and the cable for the electric wire.

In the first embodiment of the present invention, since the adhesion plate of the connecting member and the slab of the building do not come into direct contact with the body, the adhesion plate of the connecting member is shaken by vibrations such as earthquakes, thereby preventing cutting or digging of the slab of the building there is

In the first embodiment of the present invention, since the cable tray is in direct contact with the copper plate installed on both sides of the connection member, the effect of quickly flowing the leakage current that may occur in the communication line and the cable for the electric wire from the cable tray to the grounded copper plate is effective. have.

In the first embodiment of the present invention, since the copper plate is inserted into the fitting groove of the fixing part, there is an effect that the cable tray is not caught on the copper plate when the cable tray is installed.

That is, while the cable tray is quickly installed on the connection member, there is an effect of preventing damage to the copper plate and the cable tray due to jamming.

In the first embodiment of the present invention, since the fastening hole of the main body and the fastening hole of the connecting member are fastened with the fastening member, there is an effect of further preventing the connecting member from being greatly shaken in the main body by vibration such as an earthquake.

The first embodiment of the present invention has an effect of preventing the main body from being separated from the slab of the building by the weight of the cable tray and the cable for the communication line and the electric wire because the hooking part of the main body is caught on the upper surface of the slab of the building.

In the second embodiment of the present invention, since the fastening hole of the main body and the first fastening hole of the connecting plate are fastened with the fastening member, the connecting plate does not significantly shake in the main body due to vibration such as earthquake.

That is, there is an effect of preventing the connection plate and the cable tray from being greatly shaken by vibrations such as earthquakes, and thus affecting the communication line and the cable for the electric wire.

In other words, there is an effect of preventing damage to the communication line and the cable for the electric wire.

In the second embodiment of the present invention, since the connecting plate and the slab of the building are not in direct contact with the main body, the connecting plate is shaken by vibrations such as earthquakes, thereby preventing cutting or digging of the slab of the building.

In the second embodiment of the present invention, since the cable tray is in direct contact with the copper plate installed on both sides of the connection plate, the effect of quickly flowing the leakage current that may occur in the communication line and the cable for the electric wire from the cable tray to the grounded copper plate is effective. have.

In the second embodiment of the present invention, since the copper plate is fitted into the fitting groove of the connecting plate, there is an effect that the cable tray is not caught on the copper plate when the cable tray is installed.

That is, while the cable tray is quickly installed on the connection plate, there is an effect of preventing damage to the copper plate and the cable tray due to jamming.

The second embodiment of the present invention has an effect of preventing the main body from being separated from the slab of the building by the weight of the cable tray and the cable for the communication line and the electric wire because the hooking part of the main body is caught on the upper surface of the slab of the building.

In the second embodiment of the present invention, since the support portion of the connecting plate is supported on the inner surface of the main body, there is an effect of further preventing the connecting plate from being greatly shaken in the main body due to vibration such as an earthquake.

In addition, the support portion of the connecting plate has the effect of guiding the cable tray.

That is, there is an effect that the cable tray is quickly installed on the connection plate.

1 and 2 are a combined perspective view and an exploded perspective view of a connection box for a vertical cable tray according to a first embodiment of the present invention;
3 to 6 are a cross-sectional view and a partially enlarged view of a connection box for a vertical cable tray according to a first embodiment of the present invention;
7 and 8 are a combined perspective view and an exploded perspective view of a connection box for a vertical cable tray according to a second embodiment of the present invention;
9 to 12 are cross-sectional views and partially enlarged views of a connection box for a vertical cable tray according to a first embodiment of the present invention.

Accordingly, an embodiment of the present invention as described above will be described in detail based on the accompanying drawings.

1 to 6, the connection box 1000 for a vertical cable tray according to the first embodiment of the present invention is embedded in the slab 1 forming the floor and ceiling of a building, communication lines and wires It is used when connecting the cable tray (3) where the cable (2) is installed.

That is, the vertical cable tray connection box 1000 guides the communication line and the cable 2 for wires to pass between the upper and lower floors of the building, and the slab of the building is positioned close to the wall of the building. It is embedded in (1).

Here, the cable tray 3 is arranged side by side, the side rails having fastening holes 3a on both sides of the outer surface, and a plurality of them are installed between the side rails, and the cables 2 for communication lines and wires are fixed by a fixing member. It consists of rungs that are installed.

And, the vertical cable tray connection box 1000 is embedded in the slab 1 of the building, and the passage 110 through which the communication line and the cable 2 for the electric wire pass is formed therein, the slab of the building ( The body 100 is included in which the embedding part 120 facing 1) is formed on the outer surface.

Here, the main body 100 is made in the form of a square cylinder with an open center.

In addition, the buried part 120 is formed to protrude from one open edge of the main body 100 located on the lower surface of the slab 1 of the building, and the slab (1) of the building is poured into the hole formed in the outer surface. is buried in

In addition, the vertical cable tray connection box 1000 is installed on the inner surface of the main body 100 on both sides of the passage 110 , and the cable tray 3 is installed on both sides protruding from the passage 110 , respectively. A connecting member 200 is included.

In addition, the connection member 200 includes a contact plate 210 that is in close contact with the inner surface of the body 100; a vertical portion 220 formed by vertically bending both sides of the contact plate 210; One side of the vertical part 220 is vertically bent so as not to face the plate 210, and the fastening hole 231 fastened with the fastening hole 3a of the cable tray 3 and the fastening member 4 is on the outer surface. The formed fixing part 230; and the fitting space 240 formed between the contact plate 210 and the vertical part 220 and into which the main body 100 is fitted is included.

Here, the fastening hole 3a of the cable tray 3 and the fastening hole 231 of the fixing part 230 are fastened through a fastening member 4 such as a bolt or a nut.

In addition, the vertical portion 220 of the connecting member 200 is in close contact with the buried portion (120).

In addition, the fastening hole 231 is formed to be elongated in the longitudinal direction of the fixing part 230 .

In addition, the connection member 200 includes a copper plate 250 for grounding installed on the outer surface of the fixing part 230 .

Here, a fitting groove 232 into which the copper plate 250 is fitted is formed around the fastening hole 231 on the outer surface of the fixing part 230 .

That is, the copper plate 250 is installed in the fixing part 230 by a press-fit method, and thus, a fitting groove 232 into which the copper plate 250 is inserted is formed on the outer surface of the fixing part 230 .

In addition, the copper plate 250 does not protrude from the fitting groove 232 while being inserted into the fitting groove 232 .

In addition, fastening holes 130 and 211 for fastening with the fastening member 4 are formed on the outer surfaces of the main body 100 and the contact plate 210 .

And, on the outer surface of the main body 100, a locking portion 140 caught on the upper surface of the slab 1 of the building is formed.

Here, the locking part 140 is formed in a 'L' shape and is attached to a part of an open edge of the main body 100 located on the upper surface of the slab 1 of the building.

In addition, the vertical portion 220 of the connecting member 200 is in close contact with the engaging portion (140).

Therefore, the installation and operation of the vertical cable tray connection box 1000 according to the first embodiment of the present invention configured as described above will be described as follows.

1 to 6 , after inserting a pair of connecting members 200 into the passage 110 of the main body 100 , the main body ( 100) is inserted.

Here, the adhesion plate 210 is in close contact with the inner surface of the main body 100 , and the vertical portion 220 is in close contact with the embedding part 120 and the locking part 140 , respectively.

That is, the connection member 200 is fixed to the body 100 .

In addition, the fixing part 230 in which the copper plate 250 is installed on both sides of the connecting member 200 from the passage 110 of the main body 100 protrudes.

And, by fastening the fastening hole 130 of the main body 100 and the fastening hole 211 of the close contact plate 210 with the fastening member 4, the vertical cable tray connection according to the first embodiment of the present invention The box 1000 is completed.

Then, while installing the vertical cable tray connection box 1000 in the formwork forming the slab 1 of the building, the passage 110 is closed with a cover, and then concrete is poured into the formwork.

Then, as the concrete hardens after the curing period has elapsed, the slab 1 of the building is completed.

Here, while the main body 100 is embedded in the slab 1 of the building, the embedding part 120 is embedded in the slab 1 of the building by a hole in which concrete is poured.

In addition, the engaging portion 140 of the main body 100 is caught while in close contact with the upper surface of the slab 1 of the building.

Then, after removing the cover from the passage 110, a pair of cable trays 3 in the upper and lower directions of the slab 1 of the building, respectively, the vertical part 220 and the fixing part ( 230) to be in close contact with it.

Here, since the copper plate 250 does not protrude from the fitting groove 232 , it is not caught on the moving cable tray 3 .

In addition, the copper plates 250 installed on both sides of the connection member 200 are in close contact with the pair of cable trays 3 , respectively.

Then, the fastening hole 231 of the connection member 200 and the fastening hole 3a of the cable tray 3 are fastened with the fastening member 4 .

That is, on both sides of the vertical direction of the connection box 1000 for the vertical cable tray according to the first embodiment of the present invention, a pair of cable trays 3 are fixed and connected.

In addition, the communication line and the cable 2 for the wire are installed and wired in the cable tray 3 through the fixing member, and pass through the passage 110 of the main body 100 and are wired to the slab 1 of the building.

And, as the main body 100 is inserted into the fitting space 240 of the connecting member 200, the fastening hole 130 of the main body 100 and the fastening hole 211 of the connecting member 200 are connected to the fastening member 4 ), even if vibrations such as earthquakes occur, the connection member 200 on which the cable tray 3 is installed is not greatly shaken.

And, when a short circuit occurs in the communication line and the cable for electric wire (2), the leakage current flows from the cable tray (3) to the grounded copper plate (250).

And, as shown in Figures 7 to 12, the connection box 1000' for a vertical cable tray according to the second embodiment of the present invention is embedded in the slab 1 of the building, and the cable for communication lines and wires ( The passage 310 through which 2) passes is formed inside, the buried part 320 facing the slab 1 of the building is formed on the outer surface, and the main body 300 in which the fastening hole 330 is formed on the outer surface Included.

Here, the main body 300 is formed in the form of a square cylinder with an open center.

In addition, as the body 300 is embedded in the slab 1 of the building, a part protrudes from the upper surface of the slab 1 of the building.

In addition, the fastening hole 330 is formed on the outer surface of the main body 300 embedded in the slab 1 of the building, and is formed on the outer surface of the main body 300 protruding from the upper surface of the slab 1 of the building.

In addition, the buried part 320 is formed to protrude from one open edge of the body 300 located on the lower surface of the slab 1 of the building, and the slab (1) of the building is poured into the hole formed in the outer surface. is buried in

In addition, the vertical cable tray connection box 1000 ′ is in close contact with the inner surface of the main body 300 on both sides of the passage 310 , and is first fastened with the fastening hole 330 and the fastening member 4 . A hole 410 is formed on the outer surface, and a second fastening hole 420 for fastening with the fastening hole 3a of the cable tray 3 and the fastening member 4 is formed on both outer surfaces protruding from the passage 310 . A connecting plate 400 is included.

Here, the fastening hole 330 of the main body 300 and the first fastening hole 410 of the connecting plate 400 are fastened through a fastening member 4 such as a bolt or a nut.

In addition, the fastening hole 3a of the cable tray 3 and the second fastening hole 420 of the connecting plate 400 are fastened through a fastening member 4 such as a bolt or a nut.

In addition, the second fastening hole 420 is formed to be long in the longitudinal direction of the connecting plate 400 .

In addition, the vertical cable tray connection box 1000 ′ includes a copper plate 500 for grounding that is respectively installed on both outer surfaces of the connection plate 400 around the second fastening hole 420 .

Here, a fitting groove 430 into which the copper plate 500 is fitted is formed on the outer surface of the connecting plate 400 .

That is, the copper plate 500 is installed on both sides of the connecting plate 400 in a press-fitting manner, thereby forming a fitting groove 430 into which the copper plate 500 is fitted on the outer surface of the connecting plate 400 .

In addition, the copper plate 500 does not protrude from the fitting groove 430 while being inserted into the fitting groove 430 .

And, on the outer surface of the main body 300, a locking part 340 caught on the upper surface of the slab 1 of the building is formed.

Here, the locking part 340 is formed in a 'L' shape and is attached to a portion of the outer edge of the main body 300 located on the upper surface of the slab 1 of the building.

In addition, one side of the connecting plate 400 is vertically bent to form a support portion 440 in close contact with the inner surface of the main body 300 .

Here, the rigidity of the connecting plate 400 is increased by the support 440 .

Therefore, the installation and operation of the vertical cable tray connection box 1000 ′ according to the second embodiment of the present invention configured as described above will be described as follows.

7 to 12, after inserting a pair of connecting plates 400 into the passage 310 of the main body 300, the fastening hole 330 of the main body 300 and the connecting plate ( By fastening the first fastening hole 410 of 400) with the fastening member 4, the vertical cable tray connection box 1000' according to the second embodiment of the present invention is completed.

Here, the connecting plate 400 and the supporting part 440 are in close contact with the inner surface of the main body 300 .

That is, the connecting plate 400 is fixed to the main body 300 .

Also, both sides of the connecting plate 400 on which the copper plate 500 is installed protrude from the passage 310 of the main body 300 .

Then, while installing the vertical cable tray connection box 1000' in the formwork forming the slab 1 of the building, the passage 310 is closed with a cover, and then concrete is poured into the formwork.

Then, as the concrete hardens after the curing period has elapsed, the slab 1 of the building is completed.

Here, while the main body 300 is embedded in the slab 1 of the building, the embedding part 320 is embedded in the slab 1 of the building by a hole in which concrete is poured.

In addition, the locking part 340 of the main body 300 is caught while closely adhering to the upper surface of the slab 1 of the building.

Next, after removing the cover from the passage 310 , the pair of cable trays 3 are moved so as to be in close contact with the connecting plate 400 in the upper and lower directions of the slab 1 of the building, respectively.

Here, since the copper plate 500 does not protrude from the fitting groove 430 , it is not caught in the moving cable tray 3 .

In addition, the copper plates 500 installed on both sides of the connection plate 400 are in close contact with the pair of cable trays 3 , respectively.

In addition, the pair of cable trays 3 are guided by the support 440 to move.

Then, the second fastening hole 420 of the connecting plate 400 and the fastening hole 3a of the cable tray 3 are fastened with the fastening member 4 .

That is, on both sides of the vertical direction of the connection box 1000' for the vertical cable tray according to the second embodiment of the present invention, a pair of cable trays 3 are fixed and connected.

In addition, the communication line and the cable 2 for wires are installed and wired in the cable tray 3 through the fixing member, and pass through the passage 310 of the main body 300 and are wired to the slab 1 of the building.

And, as the fastening hole 330 of the main body 300 and the first fastening hole 410 of the connecting plate 400 are fastened with the fastening member 4 , the support part 440 is in close contact with the inner surface of the main body 300 . Since it is supported, the connection plate 400 on which the cable tray 3 is installed is not greatly shaken even when vibration such as an earthquake occurs.

And, when a short circuit occurs in the communication line and the cable for electric wire (2), the leakage current flows from the cable tray (3) to the grounded copper plate (500).

In the above, the present invention has been illustrated and described with examples of specific preferred embodiments, but the present invention is not limited to the above-described embodiments, and within the scope of not departing from the spirit of the present invention, common knowledge in the art Various changes and modifications will be possible by those with

100: body 110: passage
120: buried part 130: fastening hole
140: locking part 200: connecting member
210: adhesion plate 211: fastening hole
220: vertical part 230: fixed part
231: fastening hole 232: fitting groove
240: fitting space 250: copper plate
300: body 310: passage
320: buried part 330: fastening hole
340: locking part 400: connecting plate
410: first fastening hole 420: second fastening hole
430: fitting groove 440: support
500: copper plate 1000,1000': connection box for vertical cable tray

Claims (10)

In the connection box for a vertical cable tray that is embedded in the slab (1) of a building and connects the cable tray (3) in which the cable (2) for communication lines and wires is installed,
It is embedded in the slab 1 of the building, and a passage 110 through which the communication line and the cable 2 for electric wire pass is formed inside, and the buried part 120 facing the slab 1 of the building is formed on the outer surface. and the body 100;
It includes a connection member 200 installed on the inner surface of the main body 100 on both sides of the passage 110, respectively, the cable tray 3 is installed on both sides protruding from the passage 110,
The connection member 200 includes a contact plate 210 that is in close contact with the inner surface of the body 100; a vertical portion 220 formed by vertically bending both sides of the contact plate 210; and the contact plate ( One side of the vertical part 220 is vertically bent so as not to face 210), and the fastening hole 231 fastened with the fastening hole 3a of the cable tray 3 and the fastening member 4 is formed on the outer surface. and a government 230; and a fitting space 240 formed between the close contact plate 210 and the vertical portion 220 and into which the main body 100 is fitted,
The connection member 200 includes a copper plate 250 for grounding installed on the outer surface of the fixing part 230,
A fitting groove 232 into which the copper plate 250 is fitted is formed on the outer surface of the fixing part 230,
A connection box for a vertical cable tray, characterized in that on the outer surface of the main body 100 and the contact plate 210, fastening holes 130 and 211 for fastening with a fastening member 4 are formed. delete delete delete According to claim 1,
A connection box for a vertical cable tray, characterized in that a locking portion 140 is formed on the outer surface of the main body 100 to be caught on the upper surface of the slab 1 of the building. In the connection box for a vertical cable tray that is embedded in the slab (1) of a building and connects the cable tray (3) in which the cable (2) for communication lines and wires is installed,
It is buried in the slab 1 of the building, and a passage 310 through which the communication line and the cable 2 for electric wire pass is formed inside, and the buried part 320 facing the slab 1 of the building is formed on the outer surface. and a main body 300 having a fastening hole 330 formed on the outer surface thereof;
A first fastening hole 410 that is closely attached to the inner surface of the main body 300 on both sides of the passage 310 and is fastened with a fastening hole 330 and a fastening member 4 is formed on the outer surface, and the passage 310 is formed on the outer surface. ) includes a connecting plate 400 having a second fastening hole 420 fastened to the fastening hole 3a of the cable tray 3 and the fastening member 4 on both outer surfaces protruding from the plate 400,
and a copper plate 500 for grounding respectively installed on both outer surfaces of the connecting plate 400 around the second fastening hole 420,
A fitting groove 430 into which the copper plate 500 is fitted is formed on the outer surface of the connecting plate 400,
The connection plate 400 is a vertical cable tray connection box, characterized in that one side is vertically bent to form a support portion 440 that is in close contact with the inner surface of the main body 300 . delete delete 7. The method of claim 6,
A connection box for a vertical cable tray, characterized in that a locking portion 340 is formed on the outer surface of the main body 300 to be caught on the upper surface of the slab 1 of the building. delete

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