KR102434464B1 - The building structure electric cable installation floor duct facility - Google Patents

Abstract

The present invention relates to a floor duct facility for electrical cable wiring in a building structure. The structure improvement between a floor duct where an electric cable is accommodated, and an attached fixture improves the installation assembly and the stability of use. By improving a connection fixing structure between a floor system box and a floor duct, which is used as a floor outlet of an outlet and communication module, it is possible to prevent deformation, shaking, or noise from external physical force and waterproofness. To this end, according to the present invention, a floor duct facility is installed and constructed in a finishing layer between the upper side of a concrete slab and the lower side of a floor finishing material. The floor duct facility includes: an extruded frame-type floor duct in which electric cables are accommodated and a separator is provided; a duct cover for opening and closing an upper open portion of the floor duct, the fastening part being formed to face the upper surface; a fixing member for fixing the floor duct and the duct cover on the upper side of the floor duct, which is composed of a landing part and an elevating pressure fastening part placed on the upper surface of the slab; a floor system box in which a box body having an inlet hole into which one end of the floor duct is inserted is formed, and a cover body having a floor marker is fastened to the top end of the box body, wherein an outlet and a communication module are accommodated; a connection member that is inserted between the floor duct and the floor system box inlet hole and performs a sealing and buffering action; and a spacer leveler fitted to the fastening part of the upper surface of the duct cover.

Description

The building structure electric cable installation floor duct facility

The present invention relates to a floor duct facility for building a communication line and a power line inside the floor of a large building structure, and more particularly, it is installed according to the improvement of the structure between the floor duct in which the electric heat and communication electric cable is accommodated and the attached fixture In addition to improving assembly and stability of use, the connection and fixing structure between the floor system box and the floor duct, which are used as outlets and floor outlets for communication modules, has been improved to prevent water-resistance and deformation due to physical external force, vibration, or noise. It relates to a floor duct facility for wiring electrical cables in buildings.

A well-known floor duct facility is a device for branching and wiring electrical cables for communication lines and power lines into the floors of large offices, department stores, or laboratories of concrete building structures, and is used for supplying power to electrically connect to electric heat and communication devices. It is composed of a floor system box used as an outlet or outlet for a communication module, a floor duct serving as a wiring line for electric heating cables and communication cables (Internet LAN cable, etc.) .

The floor duct facility of the above example is usually installed in the finishing layer 2 of a combination of lightweight aerated concrete layer and cement mortar layer from the upper side of the concrete slab 1 as shown in FIG. 1, and floors such as parquet, astile or carpet The burial is completed by installing the finishing material (3) on the upper surface of the finishing layer, but after accommodating the electric heating cable or communication cable inside the floor duct (4) body, the duct cover (5) is fastened to the support hardware (6) The floor duct facilities (floor system box, floor system box, The organic connection installation of floor ducts and support hardware) is completed.

However, in the process of constructing such a floor duct facility, the electric heating cable 8, which is a power line accommodated in the main body of the floor duct 4, and the communication cable 9, which is a weak current wire, are mixed with each other, making it difficult to distinguish them, as well as causing an electrical failure between them. Inevitably, when the electric cables (8) (9) are incorrectly inserted or replaced due to damage, the floor duct (4) is removed from the floor system box (7), and then several support hardware (6) ), due to the inconvenience of having to separate the flow ducts (4) one by one, the assembly and detachment and replacement workability are not good.

In addition, in order to fasten and fix the duct cover to the top of the floor duct, it is necessary to rotate the fixing bolt 6a provided on the top of the support hardware 6 of FIG. This takes a lot of time, and due to the gap (play) that inevitably occurs between the fitting part of the support hardware (6) and the floor duct (4) or the fitting part of the floor system box (7) and the floor duct (4), the walking process There is a problem in that friction noise is generated due to the contact between these components (floor duct, floor system box, support hardware) from physical shock or shaking (vibration) transmitted from the device.

In addition, during the plastering process of the finishing layer 2, cement mortar paste or moisture may flow along one side of the floor system box 7 and may be introduced into the gap between the floor duct fitting joints, thereby contaminating the inside of the floor system box and causing an electrical short. It can cause safety accidents such as, and by using a separate fixing means (anchor bolt) for the spacer leveler (1a), which is used to uniformly maintain the plaster thickness and flatness of the finishing layer from the upper side of the concrete slab (1). Since it has to be fastened to the upper side of the slab, it takes a lot of time for installation to occur.

In addition, Korean Patent Registration No. 10-0727341 to Patent Registration No. 10-08276052 have been proposed to improve the structural inadequacies of such a floor duct facility, but these prior documents also require complicated installation and detachment assembly between components. It is insufficient to fundamentally solve structural problems such as poor sealing at the fastening part and inducing noise.

Republic of Korea Patent 10-0727341 (registered on 06.05.2007) Republic of Korea Patent 10-0827605 (Registered on April 29, 2008)

Therefore, the present invention has been developed to effectively improve the problems of the prior art as described above, and by dividing the inner space of a floor duct in the form of a single extrusion frame with a separator of a detachable fitting and fastening method, it is a power line, an electric heating cable, and a weak current wire. It distinguishes communication cables so that they do not mix with each other, suppresses the occurrence of electrical failures between electric heat and communication cables, and uses a one-touch fastening clip-type fixing member that can be adjusted in height to allow for quick and easy installation of floor ducts. The purpose is to further improve installation assembly and detachment and replacement workability by pressurizing and fixing the duct cover from the floor duct body at the same time as fastening the fixing member without having a fastening means of the duct.

In addition, the present invention inserts a high-elastic connection member with airtight or water-tight sealing action and vibration-absorbing action into the floor system box and the floor duct fastening part, and uses the buffering force of the fixing member elastic piece to provide physical external force or vibration generated in the walking process. Prevents frictional noise by blocking direct contact between the bonding components from there will be

Another object of the present invention is to install a spacer leveler to the fastening part of the upper side of the duct cover, not the slab floor, by one-touch fastening and mounting, so that the spacer leveler is installed separately to maintain uniform thickness and smoothness of the finishing layer. Since no means are required, the time required for installation can be significantly reduced.

The present invention for achieving the above object is to install and construct a floor duct facility in the finishing layer (plaster layer) between the upper side of the concrete slab and the lower side of the floor finish, wherein the floor duct facility accommodates an electric cable and divides the internal space into a variable compartment a floor duct in the form of an extrusion frame provided with a separator for a duct cover having a groove-shaped fastening portion and an inlet groove formed to face each other on the upper surface and for opening and closing an upper opening portion of the floor duct; a fixing member consisting of a landing part placed on the upper surface of the slab and a lifting-type pressure fastening part, and for simultaneously pressing the floor duct and the duct cover on the upper side thereof to fix the tanji; A floor system box comprising: a box body in which one end of the floor duct is inserted, an inlet hole and a fastening hole are formed on all four sides, a cover body provided with a floor marker, a power supply outlet and a communication module; a connection member inserted between the floor duct and the inlet hole of the floor system box to act as a sealing buffer; It is characterized in terms of technical configuration that it is composed of a combination of a spacer leveler fitted to the fastening part and the inlet groove part of the upper surface of the duct cover.

In addition, according to the present invention, a plurality of dovetail grooves are formed on the floor surface of the floor duct and dovetail protrusions are formed at the upper and lower ends of the separator. It is characterized in that the receiving space is partitioned through the separator, the inclined tension inducing part having locking jaws is formed on both sides of the outer peripheral surface of the bottom of the floor duct, and the cushioning material that comes into contact with the upper part of the separator is built into the bottom surface of the duct cover.

Another feature of the present invention is that the fixing member is composed of a combination of a lifting-type pressing fastening part and a landing part, wherein the pressing fastening part has a first and second carbon paper piece and a long hole on a vertical line in which a locking protrusion is bent at one end. It is made of a perforated fitting stone piece, and the landing part includes an insertion groove for inserting the fitting stone piece, a butterfly bolt recessed into the long hole of the fitting stone piece, and an installation hole for accommodating the fixing bolt from both sides in the insertion groove and the butterfly bolt. It should consist of a screw-in hole.

In addition, the connecting member of the present invention forms a body portion provided with a floor duct installation space portion, and forms an annular locking portion that locks on one end of the inlet hole of the floor system box to protrude from the outer peripheral surface of the body portion, and is formed in the fastening hole around the inlet hole It is another feature of forming a fitting hole to be inserted and fixed, and formed by protruding a flange portion for sealing the inlet hole on one side of the body portion.

In addition, the spacer leveler of the present invention is composed of a body, a holder, and a hoistway in combination, the body is fastened with a fixing bolt to one side, a pair of insertion holes are formed to be spaced apart on both sides of the upper end, and a paste inlet hole leading from the front and rear surfaces to the center of the upper end is provided, the holder is placed on the upper surface of the duct cover, and fitting protrusions of a downward bending form for being fitted in the duct cover fastening part and the inlet groove to be fixed are formed at both ends, and the hoistway is inserted into the body insertion hole to elevate and descend. is characterized in that it is composed of a guide part and a display part for guiding the plastering height of the finishing layer from the upper side of the slab.

According to the present invention, since the electric heating cable and the communication cable can be separately accommodated so as not to be mixed by using the separator in the floor duct of a single enclosure type, the workability of part replacement due to the prevention of incorrect insertion of the electric cable and the damage is further improved and the electrical characteristics are lowered Quality stability is ensured by suppressing Workability is improved, and by blocking the inflow of moisture and cement mortar paste into the floor system box using a highly elastic connection member, an electrical safety accident is prevented and contamination in the floor system box is obtained.

In addition, the present invention uses the cushioning force of the elastic connecting member and the fixed member elastic piece to prevent physical contact between the floor duct, which is a coupling component, and the fixed member and the floor system box, even with physical external force or vibration generated during the walking process, such as friction noise, etc. The construction satisfaction is further improved by not generating noise from .

1 to 2 are exemplary views for explaining a conventional floor duct facility construction example.
3 is a perspective view of a floor duct and a duct cover according to a preferred embodiment of the present invention.
Figure 4 is a perspective view of a fixing member according to an embodiment of the present invention, Figure 5 is a perspective view for examining the overall structure of the connection member and the spacer leveler, Figure 6 is an exemplary exploded cross-sectional view of the floor duct facility of the present invention in the longitudinal direction , Figure 7 is a cross-sectional view of a floor duct facility assembly of the present invention, Figure 8 is an example of installing a spacer leveler according to the present invention.
Figure 9 is a cross-sectional view for explaining the stage before installation of the connection member according to the present invention and the installation completion stage, Figure 10 is a floor duct facility installation construction view of the present invention.

The terms or words used in the present specification and claims should not be construed as being limited to conventional or dictionary meanings, and the inventor may properly define the concept of the term to describe his invention in the best way. Based on the principle, it should be interpreted as meaning and concept consistent with the technical spirit of the present invention, and the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiment of the present invention, so the technical spirit of the present invention It should not be regarded as representing all of them, and it should be understood that there may be various equivalents and modifications.

Hereinafter, a preferred embodiment of the floor duct facility according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a perspective view of a floor duct and duct cover assembly according to a preferred embodiment of the present invention, Figure 4 is a perspective view of a fixing member according to an embodiment of the present invention, Figure 5 is a look at the overall structure of the connecting member and the spacer leveler 6 is an exploded cross-sectional view of the floor duct facility of the present invention in the longitudinal direction, and FIG. 7 shows an exemplary cross-sectional view of the floor duct facility assembly of the present invention.

The floor duct facility (A) of the present invention is to bury electrical cables (heating cables and communication cables) 8 and 9 for communication lines or power lines between the floor slab and the floor finishing material in the usable space of the building structure (finishing layer). A device for constructing communication lines (Internet LAN lines) and power lines, the electric cables 8 and 9 are accommodated and the extruded frame-type floor duct 100 is provided with a separator 110 for variably partitioning the internal space; The upper surface of the groove-shaped fastening part 121 and the inlet groove part 122 are formed to face each other, and the duct cover 120 for opening and closing the upper opening part of the floor duct; A fixing member for fixing the tanji by simultaneously pressing the floor duct 100 and the duct cover 120 above the floor duct 100 and consisting of a landing part 35 placed on the upper surface of the slab 1 and a lifting-type pressure fastening part 131 (130) and; It includes a box body 141 in which an inlet hole 141a and a fastening hole 141b into which one end of the floor duct is inserted, the box body 141 is provided, and a cover body 142 provided with a floor marker 142a is provided, a floor system box 140 in which the power supply outlet 143 and the communication module 144 are accommodated; a connection member 150 that is inserted between the floor duct 100 and the floor system box inlet hole 141a to act as a sealing buffer; It is composed of a combination of the spacer leveler 160 fitted to the fastening part 121 and the inlet groove part 122 of the upper surface of the duct cover 120 .

The floor duct 100 of the illustrated embodiment is a conduit for laying the electric cables 8 and 9 on the floor, and is manufactured in the form of an extrudate to be cut and used to a required length, both sides and It forms a '┗┛' shape with the upper side open. In addition to this, at least two or more triangular dovetail grooves 101 are formed along the bottom surface at equal intervals, and the inclined tension inducing part 102 having locking protrusions 102a on both sides of the lower outer peripheral surface protrudes downward. will be formed Here, the above-described inclined tension induction unit 102 serves to widen the gap between the first and second tanji pieces 132 and 133 of the fixing member 130 to be described later to the outside, and thus a strong tension pressing force is applied. It is a component for inducing to occur in the first and second carbonization pieces 132 and 133.

In addition, the internal space of the floor duct 100 is divided (2way or 3way) from the plurality of separators 110 so that the electric heating cable 8, which is a power line, and the communication cable 9, which is a weak current wire, are separately accommodated. By doing so, these electric cables (electric heating cables, communication cables) 8 and 9 are separated so as not to be mixed with each other to prevent erroneous insertion and to suppress deterioration of characteristics due to electrical influences between electric cables, and the separator 110 ), the dovetail protrusion 111 for slidingly fitting into the dovetail groove 101 of the floor surface of the floor duct is formed.

The duct cover 120 of the illustrated embodiment is a component for opening and closing the upper open portion of the floor duct 100, and a fastening portion 121 in the form of a triangular groove downward toward the upper surface and an extension inlet groove portion 122 are a set. A cushioning material 123 that is formed to face each other in the achieved state and is in contact with the dovetail protrusion 111 of the upper end of the separator having elastic force is built-in, and the fastening portion 121 and the inlet groove 122 are fixed to be described later. The locking protrusions 132a and the spacer leveler cradle 162 of the first tanji piece 132 of the member 132 are fastened to both sides of the fitting protrusions 162a, respectively. Here, the cushioning material 123 is made of a high elastic material such as synthetic rubber, foam, or silicone, and physical impact during walking according to the tanji action in organic connection with the separator 110 supported in contact with the bottom surface of the duct cover 120 . In addition to preventing the deformation of the duct cover 120 and the floor duct 100 from vibration or vibration, the generation of friction noise due to the contact between the coupling parts between these components (floor duct, duct cover, separator) is suppressed.

The illustrated fixing member 130 is manufactured by injection molding or aluminum extrusion molding using a synthetic resin having elasticity, but the landing part 135 mounted on the upper surface of the slab 1 and the lifting-type pressure fastening part 131 ) and is adjustable in height, and serves to simultaneously press the floor duct 100 and the duct cover 120 on its upper side to fix the tanji. The pressure fastening part 131 of the above example is in the form of a 'C'-shaped clip consisting of a first carbon paper piece 132 and a second carbon paper piece 133 in which the locking protrusions 132a and 133a are bent at one end. However, when the pressure fastening part 131 is pushed and inserted from one side of the floor duct 100 to which the duct cover 120 is fastened, the pressure fastening part 131 opens like a clip and is one-touch fastened to the floor duct 100, The first carbonization piece 132 is in close contact with the upper surface of the duct cover, and the locking protrusion 132a located at the end is drawn into and caught in the duct cover fastening part 121, and then the second carbonization piece 133 is at the bottom of the floor duct. After pulling along the inclined tension inducing part 102 formed on the outer peripheral surface, it is caught according to the engaging action between the locking protrusion 133a at the end and the locking jaw 102a on one side of the tension induction part. As the second carbon paper piece 133 spreads outward by the inclination angle of the induction part 102, a strong tension pressing force is generated between the first and second carbon paper pieces 132 and 133, and the duct cover 120 and the floor duct ( 100) can be fastened and fixed at the same time simply and easily without using a separate fixing means such as bolts.

In addition, a fitting protrusion piece 134 in which a vertical long hole 134a is perforated is integrally formed below the pressure fastening part 131 , and the landing part 135 is inserted for inserting the fitting protrusion piece 134 . The butterfly bolt 139 that is recessed into the groove 136 and the long hole 134a of the fitting stone piece, and the installation hole 137 for accommodating the butterfly bolt 139 from both sides in the insertion groove, and the screw fastening with the butterfly bolt Consists of a ball (138).

The floor system box 140 of the illustrated embodiment has the upper side exposed to the floor covering material 3 and is used as an electrical connection outlet for electric heat and communication equipment, and an inlet 141a for inserting one end of the floor duct 100 and The adjacent fastening hole 141b is provided with a box body 141 formed in groups on all four sides, and the cover body 142 provided with the floor marker 142a is fastened to the top of the box body, and a power supply outlet ( 143) and the communication module 144 are accommodated and installed inside the box body 141, while the inlet hole 141a and the fastening hole 141b into which the floor duct 100 is not inserted, the fitting piece 145a is on one side. It is sealed with a blank washer 145 in the form of a flat plug formed to protrude. Here, the inlet hole 141a of the box body is not a simple through hole, but burring a hole by punching, so that the floor duct 100 is smoothly inserted and scratch is prevented, and the inlet hole expanded into a cylindrical shape The annular engaging portion 153 of the connection member 150, which will be described later, is induced to stably engage from the end of the 141a.

The connecting member 150 of the illustrated embodiment is made of an elastic material such as synthetic resin or foam or silicone having a cushion, and is inserted between the floor duct 100 and the floor system box inlet hole 141a and then the inlet hole 141a ) It is a component for preventing direct contact between the outer peripheral surface of the floor duct 100 and the inner peripheral surface of the inlet hole 141a and providing a buffering action against physical impact as well as sealing and blocking the inflow of moisture or foreign substances into the interior. The connection member 150 of this role forms the body portion 151 provided with the floor duct installation space 152, and an annular locking part 153 that acts to engage one end of the floor system box inlet hole 141a. The body portion 151 is formed to protrude on the outer circumferential surface, and a fitting hole 154 that is inserted and fixed in the fastening hole 141b around the inlet hole 141a is formed, while a flange portion 155 for sealing the inlet hole is formed in the body. The part 151 is formed to protrude on one side. In addition, the annular engaging portion 153 is formed in the form of a latch so that the insertion is smooth and a firm engaging action with the end of the inlet hole 141a occurs.

The spacer leveler 160 according to the preferred embodiment is a composition used for uniformly maintaining the plaster thickness and flatness of the finishing layer 2 from the upper side of the concrete slab 1, and an anchor bolt and an anchor bolt on the upper side of the slab 1 Unlike the existing spacer leveler that was mounted using the same separate fixing means, one-touch fastening through the fastening part 121 and the inlet groove 122 of the duct cover without using a separate fixing means and then plastering the finishing layer (2). Make it easy to display and check the thickness and flatness. The spacer leveler 160 is a combination of a body 161, a cradle 162, and a hoistway 163, but the body 161 has a fixing bolt 161a fastened on one side and a pair of insertion holes on both sides of the upper end. The 161b is spaced apart and provided with a paste inlet hole 161c leading from the front and rear surfaces to the upper center, and the holder 162 is placed on the upper surface of the duct cover 120, and the duct cover fastening part 121 and the inlet groove part are provided. Fitting protrusions 162a of a downward bending form for being fitted and fixed in the tanji are formed at both ends, and the hoistway 163 is inserted into the body 161 insertion hole 161b to elevate the guide portion 164. and a display unit 165 for guiding the plastering height of the finishing layer 2 from the upper side of the slab 1 .

The following description is intended to examine in detail the coupling process and effect between the components of the floor duct facility (A) having the above characteristic elements.

As shown in FIG. 3 , the separator 110 is fastened in a dovetail groove part selected from among the dovetail groove parts 101 formed in a plurality of dovetail groove parts in the longitudinal direction of the floor surface of the floor duct 100 to divide the inner space of the floor duct 100 into a plurality of sections. However, when dividing the inner space in two, the separator 110 is fitted in one place, and in the case of three division, the separator 110 is fastened in two places. 101) to complete the installation of the separator 110, and through this separator 110, the electric heating cable 8, which is a power line, and the communication cable 9, which is a weak current wire, are separated and accommodated in the floor duct. It is possible to prevent erroneous insertion between these electric cables (electric heating cable, communication cable) 8 and 9, as well as to prevent deterioration in characteristics due to the electrical influence between electric cables in advance.

In addition, in a state in which the cushioning material 123 is buried in the bottom surface of the duct cover 120, it is covered with the floor duct to cover the opening portion of the floor duct 100, and at this time, the dovetail of the upper part of the separator is located at the above-described cushioning material 123 position. As the protrusion 111 is closely grounded as shown in FIG. 7 , the floor duct, which is a coupling structure against physical external force or vibration that may occur during repeated walking, according to the buffer action of the cushioning material 123 in addition to the elastic bending force of the separator 110 itself. By suppressing the contact between the 100 and the duct cover 120, the generation of noise such as friction noise is minimized, and further deformation of the floor duct 100 to the duct cover 120 is effectively prevented (the duct cover is physically pressed) If this is the case, the construction satisfaction will be further improved, such as preventing the deformation of the floor duct including the duct cover) according to the elastic action of the separator bending and restoring it back to its original state.

In this way, after the fastening of the floor duct 100 and the duct cover 120 is completed, the floor duct 100 is installed between the bottom surface of the slab 1 and the finishing layer 2 using the fixing member 130. As shown in FIGS. 6 to 7, after placing the landing part 135 of the fixing member on the upper surface of the slab 1, and then pushing the pressure fastening part 131 from both side directions of the floor duct 100, on the pressure fastening part, The first carbon paper piece 132 and the second carbon paper piece 133 at the bottom come into contact with the lower side of the floor duct 100 and the upper side of the duct cover 120, and at the same time open with a tension force, one-touch fitting, and successively the first As long as the locking protrusions 132a and 133a of the ends of the carbonized paper piece 132 and the second carbonized paper piece 133 are not caught in the duct cover fastening part 121 and the tension inducing part's locking jaws 102a, artificial force is not applied. (131) does not fall out and is fixed, and at this time, the second tanji piece 133, which is slidably fastened along the inclined tension inducing part 102 formed on both sides of the lower outer peripheral surface of the floor duct 100, is widened by the taper protrusion angle of the tension induction part. Since a strong tension pressing force is generated in the pressing fastening part 131 while being pressed, the floor duct 100 and the duct cover 120 can be easily and conveniently pressed and fixed without using a fixing means such as a bolt. In addition, if you want to separate the fixing member 130 by using a screwdriver or a peripheral tool such as a coin, the first tanji piece 132 or the second tanji piece 133 is formed on any one of the locking protrusions (132a) ) (133a), if the pressure fastening part 131 is lightly lifted in a state where the elastic locking force is released, it is immediately separated from the side of the floor duct 100, and the workability of attaching and detaching the fixing member is further improved.

In addition, if necessary, the position of the floor duct installation can be freely adjusted by adjusting the height of the pressure fastening part from the landing part 135 of the fixing member 130, and the landing part 135 is loosened by loosening the butterfly bolt 139 on one side of the insertion groove. It is possible to adjust the height of the desired position by holding the pressure fastening part 131 in a state in which the fixing force of the fitting protrusion piece 134 fixed in the 136 is released.

On the other hand, the floor duct 100 mounted from the fixing member 130 is fastened to one side of the floor system box 140 using the connecting member 150, and as shown in FIG. 9, the installation space of the connecting member 150, which is an elastic body. In a state in which one end of the floor duct 100 is inserted into the part 152, the connection member 150 is pushed into the inlet hole 141a on one side of the box body so that the floor system box 140 and the floor duct 100 are in direct contact. Make sure that it is firmly connected and installed in a state where it does not work. Here, in a state in which the body portion 151 of the above-described connection member is drawn into the box body inlet hole 141a, a latch-shaped annular engaging portion 153 formed on the outer peripheral surface of the body portion engages the inlet hole 141a end. Thus, the fixing of the connection member is prevented from falling out, and in addition, a plurality of fitting holes 154 protruding from one surface of the flange portion 155 are fitted to correspond to the coupling holes 141b around the inlet hole, respectively, so that the connection member ( 150) is doubled, and the flange portion 155 additionally closes the entire inlet hole 141a to prevent the inflow of moisture or foreign substances or the inflow of lightweight foam concrete paste and cement mortar in the inlet hole 141a. Of course, since direct contact between the outer circumferential surface of the floor duct and the inner circumferential surface of the inlet hole is prevented, friction noise such as noise does not occur, as well as buffering the physical impact between the floor duct 100 and the floor system box 140, including the coupling part This ensures the quality and stability of the entire product.

In addition, the inlet hole 141a and the fastening hole 141b of the floor system box in which the floor duct 100 is not installed are sealed by fastening the blank washer 145 in the form of a flat plug in which the fitting piece 145a protrudes to one side. will do

Next, the spacer leveler 160, which is used for uniformly maintaining the plaster thickness and flatness of the finishing layer 2 from the upper side of the concrete slab 1, uses a separate fixing means such as an anchor bolt on the upper side of the slab. It is not mounted, but one-touch fastening and mounting using the fastening part 121 on the upper side of the duct cover 120, so that a separate fixing means for installing the spacer leveler 160 is not required, which greatly reduces the installation time. it can be

That is, as shown in FIG. 8 , the holder 162 of the spacer leveler is placed on the upper surface of the duct cover 120 , and the fastening portion 121 and the inlet groove 122 formed opposite to both sides of the duct cover are placed inside the holder. One-touch fastening of the spacer leveler 160 is made by lightly inserting the fitting protrusion 162a formed at one end first, and then inserting and fastening the fitting protrusion at the other end in succession. At this time, since the above-described inlet groove 122 is formed inside the fastening portion 121 in the form of a locking jaw, a locking force is generated in the fitting protrusion 162a of the holder, and as long as an artificial external force is not applied, the holder 162 is separated or It is not shaken, so it is possible to maintain a strong fixing force even when the lightweight foamed concrete paste and cement mortar are introduced in the process of forming the finishing layer. The height is also adjustable. In accordance with the set thickness change of the finishing layer (2), preferentially loosen the fixing bolt (161a) on one side of the spacer leveler body (161) and hold the lifting hole (163) in which the fixing force is released, the upper display part (165) and the finishing layer (2) The height adjustment of the spacer leveler 160 is completed by locking and fixing the fixing bolt 161a after variable adjustment to a suitable height to match the position of the upper end, and at this time, the hoistway 163 and the body 161 Through the paste inlet hole (161c) formed in the light aerated concrete paste and solid installation in the finishing layer made of cement mortar is made.

After the installation of the floor duct facility (A) is completed as described above, the finishing layer (2) such as lightweight aerated concrete paste and cement mortar is applied as shown in FIG. 3) is installed on the upper surface of the finishing layer to complete the construction.

In the present invention as described above, the space in the floor duct 100 is divided and partitioned through the separator 110 to prevent erroneous insertion of the electric cable or deterioration of the electrical characteristics, and the floor duct 100 from the clip-type fixing member 130 ) and duct cover 120 can be pressed and fixed at the same time, so the installation assembly and replacement workability of the floor duct 100 is improved, and moisture and cement mortar paste in the floor system box are blocked to prevent contamination in the floor system box Of course, the floor duct 100 and the fixing member 130, which are also coupled components to the physical external force or vibration generated in the walking process, by using the cushioning force of the elastic connecting member 150 and the fixing member elastic pieces 132 and 133. ) and the floor system box 140 are prevented, so that noise such as friction noise does not occur, and the construction satisfaction is further improved. By implementing one-touch fastening installation, there is no need for a separate fixing means for installing the spacer leveler, thereby obtaining various effects, such as improving the installability.

Although the present invention has been described above by one embodiment, it is not limited thereto, and since it can be variously modified and implemented by those skilled in the art, it does not significantly depart from the technical spirit and scope of the present invention. It is self-evident that it should be broadly applied and protected unless

A: floor duct equipment, 1: slab, 2: finishing floor,
3: floor finishing material, 100: floor duct, 101: dovetail groove,
102: tension inducing unit, 102a: engaging jaw, 110: separator,
111: dovetail protrusion, 120: duct cover, 121: fastening part,
122: inlet groove, 123: cushioning material, 130: fixing member,
131: pressure fastening part, 1 32: first carbon paper piece, 133: second carbon paper piece,
132a, 133a: locking stone part, 134: fitting stone piece, 135: landing part,
136: insertion groove, 139: butterfly bolt, 140: floor system box,
141: box body, 141a: inlet hole, 141b: fastening hole,
142: cover body, 143: outlet, 144: communication module,
145: blank washer, 150: connecting member, 151: body portion,
152: installation space part, 153: annular locking part, 154: fitting hole,
155: flange portion, 160: spacer lever, 161: body,
162: cradle, 162a: fitting protrusion, 163: elevator

Claims (5)

The floor duct facility (A) is installed and constructed in the finishing layer (plaster layer) 2 between the upper side of the concrete slab (1) and the lower side of the floor covering material (3), and the floor duct facility (A) accommodates the electric cable and the inside a floor duct 100 in the form of an extruded frame provided with a separator 110 for variable partitioning the space; The upper surface of the groove-shaped fastening part 121 and the inlet groove part 122 are formed to face each other, and the duct cover 120 for opening and closing the upper opening part of the floor duct; It consists of a landing part 135 placed on the upper surface of the slab and a lifting-type pressure fastening part 131, and a fixing member 130 for simultaneously pressing the floor duct 100 and the duct cover 120 on its upper side to fix the tanji. Wow; A box body 141 having an inlet hole 141a and a fastening hole 141b into which one end of the floor duct is inserted, a cover body 142 having a floor marker 142a, and an outlet for power supply (143) and the communication module 144 is accommodated in the floor system box 140 and; a connection member 150 that is inserted between the floor duct 100 and the floor system box inlet hole 141a to act as a sealing buffer; In the floor duct facility for electrical cable wiring of a building structure, the combination of the spacer leveler 160 fitted in the fastening part 121 of the upper surface of the duct cover and the inlet groove part 122,
A plurality of dovetail grooves 101 are formed on the bottom surface of the floor duct 100, and dovetail projections 111 are formed at the upper and lower ends of the separator 110 to form these dovetail grooves 101 and dovetail projections. According to the sliding fitting between the 111, the electric cable accommodating space in the floor duct 100 is partitioned through the separator, and the inclined tension inducing part 102 having locking protrusions 102a on both sides of the lower outer peripheral surface of the floor duct 100. A floor duct facility for wiring electrical cables in a building structure, characterized in that the cushioning material 123 that is in contact with the upper part of the separator 110 is built into the bottom surface of the duct cover 120 .
The method of claim 1,
The fixing member 130 is composed of a combination of a lifting-type pressing fastening part 131 and a landing part 135, but the pressing fastening part 131 is a first in which the locking protrusions 132a and 133a are bent at one end. The tanji piece 132 and the second tanji piece 133 and a long hole 134a on a vertical line are made of a perforated fitting protrusion piece 134 , and the landing part 135 is an insertion groove for inserting the fitting protrusion piece 134 . (136) and the butterfly bolt 139 that is recessed into the long hole 134a of the fitting stone, the installation hole 137 for accommodating the fixing bolt from both sides in the insertion groove, and the screw fastening hole 138 that is fastened with the butterfly bolt A floor duct facility for wiring electrical cables in a building structure, characterized in that it is composed of
The method of claim 1,
The connection member 150 forms the body portion 151 provided with the floor duct installation space portion 152, and has an annular locking portion 153 that locks at one end of the floor system box inlet hole 141a on the outer circumferential surface of the body portion. To form a protrusion, and to form a fitting hole 154 that is inserted and fixed to the fastening hole 141b around the inlet hole 141a, and a flange portion 155 for sealing the inlet hole 141a is provided on one side of the body portion. A floor duct facility for wiring electrical cables in a building structure, characterized in that it is formed by protruding.
The method of claim 1,
The spacer leveler 160 is a combination of a body 161, a cradle 162, and a hoistway 163, wherein the body 161 is fastened with a fixing bolt 161a on one side and a pair of insertion holes on both sides of the upper end ( 161b) are spaced apart and provided with a paste inlet hole 161c leading from the front and rear surfaces to the upper center, and the holder 162 is placed on the upper surface of the duct cover 120, and the duct cover fastening part 121 and the inlet groove part ( Fitting protrusions 162a of a downward bending shape for being fitted and fixed in 122) are formed at both ends, and the hoistway 163 is inserted into the body insertion hole 161b to ascend and descend from the guide portion 164 and the slab upper side. A floor duct facility for wiring electrical cables in a building structure, characterized in that it is composed of a display unit 165 for guiding the plastering height of the finishing layer.
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