CN216672525U - Electrical butt-joint structure of prefabricated wallboard, roof board and floor - Google Patents

Abstract

The utility model belongs to the field of an electrical system of an assembly type building, and particularly relates to an electrical butt joint structure of a prefabricated wallboard, a roof plate and a floor; the prefabricated wall board is internally provided with a wire passing hole, a wall body hidden wiring pipe passes through the wire passing hole, the upper end and the lower end of the wire passing hole are respectively provided with a wire pipe butt joint operation window on the board surface of the prefabricated wall board, the upper end of the wall body hidden wiring pipe is in sealed butt joint with a floor board hidden wiring pipe in the wire pipe butt joint operation window on the upper part, the lower end of the wall body hidden wiring pipe is in sealed butt joint with the floor board hidden wiring pipe in the wire pipe butt joint operation window on the lower part, the board surface of the prefabricated wall board is provided with a junction box hole on the path of the wire passing hole, a junction box is embedded in the junction box hole, and the junction box is connected with the upper wall body hidden wiring pipe and the lower wall body hidden wiring pipe. The problems of large difficulty in later civil engineering joint treatment, easiness in crack generation in later period, great waste and environmental pollution caused by difficulty in later period in grooving and piping construction of the traditional construction method are solved, and the construction method is favorable for comprehensively realizing assembly type construction in a construction site.

Description

Electrical butt-joint structure of prefabricated wallboard, roof board and floor

Technical Field

The utility model belongs to the field of electrical systems of fabricated buildings, and particularly relates to an electrical butt joint structure of a prefabricated wallboard, a roof slab and a floor.

Background

ALC is a short name of autoclaved lightweight concrete (autoclaved lightweightconcrete), and is one of high-performance autoclaved aerated concrete (ALC). The ALC board is a porous concrete forming board (reinforced with processed reinforcing steel bars) which is formed by curing fly ash (or silica sand), cement, lime and the like serving as main raw materials through high-pressure steam. The ALC board can be used as wall material and roof board, and its two sides are equipped with male and female mortises, when it is mounted, it only needs to raise the board material, and after the male and female mortises are coated with small quantity of caulking mortar, the board material can be assembled together. The building material is a novel building material with excellent performance, and has the advantages of heat preservation, heat insulation, sound insulation, fire resistance, durability, freezing resistance, permeability resistance, environmental protection, construction standardization, complete matching system, economy, controllable quality, earthquake resistance and the like, and is widely applied to engineering, particularly assembly type building engineering. Like ALC, the light partition wall board is also a novel energy-saving wall material, it is a kind of appearance like ALC board hollow porous wall material, in the construction of many years, ALC board still adopts traditional fluting piping to realize the electric installation, because the fluting piping is installed after the completion site operation, the later stage civil engineering seam is processed the degree of difficulty greatly, cause the very big waste and environmental pollution at the same time difficultly, light partition wall board adopts the downthehole piping, but the takeover is not very convenient, the terminal box takeover can't be connected according to the lock nut of requirement, with floor slab and floor takeover difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the traditional construction method for grooving and piping construction has high difficulty in treating civil construction joints in the later period, cracks are easily generated in the later period, and great waste and environmental pollution are difficultly caused.

In order to achieve the purpose, the utility model provides an electrical butt joint structure of a prefabricated wall board, a roof board and a floor, wherein a wire passing hole is formed in the prefabricated wall board, a wall body hidden wiring pipe penetrates through the wire passing hole, the upper end and the lower end of the wire passing hole are respectively provided with a wire pipe butt joint operation window on the board surface of the prefabricated wall board, the upper end of the wall body hidden wiring pipe is in sealed butt joint with the roof board hidden wiring pipe in the wire pipe butt joint operation window on the upper part, the lower end of the wall body hidden wiring pipe is in sealed butt joint with the floor board hidden wiring pipe in the wire pipe butt joint operation window on the lower part, a wiring box hole is formed in the path of the wire passing hole on the board surface of the prefabricated wall board, a wiring box is embedded in the wiring box hole, and the wiring box is connected with the upper wall body hidden wiring pipe and the lower wall body wiring pipe.

Furthermore, the wall hidden wiring pipe is a thin-wall galvanized wire pipe.

Furthermore, the wall body hidden wiring pipe and the floor board hidden wiring pipe are connected through a first butt joint sleeve, the wall body hidden wiring pipe and the floor board hidden wiring pipe are connected through a second butt joint sleeve, and the butt joint point of the wiring pipes is wrapped by adhesive tape for sealing.

Further, the wall body hidden wiring pipe is connected with the prefabricated wallboard through a steel plate and a first compression joint sleeve, the first compression joint sleeve is tightly hooped on the wall body hidden wiring pipe, the steel plate is connected with the periphery of the first compression joint sleeve, and the steel plate is fixed on the prefabricated wallboard through self-tapping screws.

Further, the wall concealed wiring pipe is connected with a joint nut on the junction box through a second crimping sleeve.

Further, the terminal box passes through self tapping screw to be fixed on prefabricated wallboard.

Furthermore, the open holes of the terminal box holes are 2-3 mm larger than the four edges of the terminal box respectively, and putty is filled at the interface to be leveled.

Furthermore, the height of the conduit butt joint operation window is 200mm, the width is that the wall body hidden wiring pipe is centered, and the left side and the right side are respectively extended by 50 mm.

Furthermore, the two sides of the long side of the steel plate are respectively reserved with 40mm after the steel plate is connected with the first pressure welding sleeve, and the two sides of the short side of the steel plate are respectively reserved with 20 mm.

Compared with the prior art, the utility model has the advantages that:

the electrical butt joint structure of the prefabricated wall board, the roof board and the floor board is beneficial to comprehensively realizing assembly type construction on a construction site and providing technical convenience for the assembly type construction; the problems of large difficulty in later civil engineering joint treatment, easiness in crack generation in the later period, and difficulty in avoiding great waste and environmental pollution in the traditional construction method for grooving and piping construction are solved. Practice proves that the technology is safe and reliable, construction is convenient, appearance is good, and expected indexes and targets are achieved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view at C in fig. 1.

In the figure: 1-floor board hidden wiring pipe; 2-a first docking sleeve; 3-adhesive tape paper; 4-a spool butt joint operation window; 5-wall hidden wiring pipes; 6-a first crimp sleeve; 7-a steel plate; 8-a second crimp sleeve; 9-a junction box; 10-terminal box hole; 11-building floor hidden wiring pipe; 12-floor; 13-prefabricating a wallboard; 14-a roof slab; 15-a wire-passing hole; 16-second docking sleeve.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

As shown in fig. 1-4; an electrical butt-joint structure of a prefabricated wall board, a roof board and a floor board is characterized in that a wire passing hole 15 is formed in the prefabricated wall board 13, a wall body hidden wiring pipe 5 penetrates through the wire passing hole 15, and the wall body hidden wiring pipe 5 is a thin-wall galvanized wire pipe. The upper end and the lower end of the wire passing hole 15 on the plate surface of the prefabricated wall plate 13 are respectively provided with a wire pipe butt joint operation window 4, the height of the wire pipe butt joint operation window 4 is 200mm, the width of the wire pipe butt joint operation window is 50mm from the center to the left and the right of the wall body hidden wiring pipe 5. In the upper conduit butt joint operation window 4, the upper end of the wall body hidden wiring pipe 5 is in sealed butt joint with the floor board hidden wiring pipe 1, in the lower conduit butt joint operation window 4, the lower end of the wall body hidden wiring pipe 5 is in sealed butt joint with the floor board hidden wiring pipe 11, a wiring box hole 10 is formed in the surface of the prefabricated wall board 13 on the path of the wire passing hole 15, a wiring box 9 is embedded in the wiring box hole 10, and the wiring box 9 is connected with the upper wall body hidden wiring pipe 5 and the lower wall body hidden wiring pipe 5.

The wall body hidden wiring pipe 5 is connected with the floor board hidden wiring pipe 1 through a first butt joint sleeve 2, the wall body hidden wiring pipe 5 is connected with the floor board hidden wiring pipe 11 through a second butt joint sleeve 16, and the butt joint point of the pipe is wrapped by adhesive tape paper 3 for sealing.

Wall body hidden wiring pipe 5 passes through steel sheet 7 and first crimping sleeve 6 and is connected with prefabricated wallboard 13, and first crimping sleeve 6 is tightly hooped on wall body hidden wiring pipe 5, and steel sheet 7 is connected with first crimping sleeve 6's periphery, and steel sheet 6 passes through self tapping screw to be fixed on prefabricated wallboard 13. After the steel plate 7 is connected with the first crimping sleeve 6, the two sides of the long side are respectively reserved with 40mm, and the two sides of the short side are respectively reserved with 20 mm.

The junction box 9 is fixed on the prefabricated wall plate 13 through self-tapping screws. The open pore of the junction box hole 10 is 2-3 mm larger than the four sides of the junction box 9, and putty is filled at the joint and is leveled. The wall body hidden wiring pipe 5 is connected with a joint nut on the junction box 9 through a second crimping sleeve 8.

The construction steps of the electrical butt joint structure of the prefabricated wall board, the roof board and the floor board are described in detail below by taking the ALC board as an example.

1.1 the positioning of the wire through hole,

before the ALC board is installed, ALC board installation and paying-off are carried out according to the throwing position of the floor or the floor top plate hidden wiring pipe, and then the position of a wire passing hole in the ALC board can be determined.

The ALC board through hole position is located according to a design plane position, the positioning construction is carried out according to the design plane position when the ALC board is arranged in a primary structure, only when the ALC board is required to be arranged in a hole, actual measurement is carried out on the primary pipe arrangement, the actual position of the locating hole of the switch, the socket and the junction box is finally determined, namely, a down-leading actual position line is led up, and in order to ensure the accuracy of the position, the BIM technology can be adopted to locate the primary structure and the secondary structure (ALC board hole forming). For the light porous partition board, according to the assembly condition of the porous partition board, the distribution condition of the self holes is determined, and during design or deepening design, the position of the primary structural piping is determined according to the distribution condition of the self holes, once the primary structural construction is completed, the secondary structure achieves the purpose of piping in the holes through technical means.

1.2 the technical requirements of the wire through hole processing.

For the ALC board, firstly, the wire through holes are processed according to the design requirements, special mechanical equipment is needed for processing, and only the position requirements for the hole forming are explained here.

The ALC board is 200mm, 175mm, 150mm, 125mm, 100mm and 75mm thick, the width of the ALC board is 600mm, the wire passing holes are 67mm away from the board edge for the boards of 200mm, 175mm and 150mm, and the wire passing holes are arranged in the boards for the boards of 125mm, 100mm and 75 mm.

The comparison table of the wall hidden wiring pipes and the wire passing holes is as follows:

table 1: the wall body is provided with a comparison table of the hidden wiring pipes and the wiring holes.

For the light porous partition wall plate, the finished plate is provided with plate holes, and the plate holes are also large. The DN15, DN20 and DN25 (installing switch, socket and junction box in wall) thin-wall galvanized wire tubes can be concealed.

1.3ALC plate pore-forming

And the ALC board is formed with holes by clamping the anchor drill bit with a threading machine and pushing the anchor drill bit through the guide platform to form the holes in the ALC board.

1.4 switch, socket, junction box positioning opening

The heights of the switch, the socket and the junction box are determined according to the design requirement elevation, and after the elevation and the positions of the pipes in the hole are determined, the switch, the socket and the junction box can be opened, and the opening is required to be 5-6 mm larger than the junction box.

1.5 wall body hidden wiring pipe fixing steel plate and crimping sleeve manufacturing

When the steel plate center is perforated, the diameter of the steel plate center is 1.5mm larger than the outer diameter of the distribution pipe, according to different wall body hidden distribution pipes, blanking is respectively left for about 40mm on two sides of a long edge after the steel plate center is perforated, blanking is respectively left for about 20mm on two sides of a short edge, the perforation is manufactured, the crimping sleeve is 3mm larger than the wall body hidden distribution pipe, and crimping pliers are adopted for crimping when the pipe is arranged in a fixed hole.

1.6 Butt-Joint Sleeve fabrication

The butt joint sleeve is a self-made sleeve for butt joint of a wall body hidden wiring pipe and a primary structure piping, the lengths of the sleeves are respectively 55mm phi 16 pipe, 60mm phi 20 pipe and 60mm phi 25 pipe, the butt joint sleeve is 3mm larger than the wall body hidden wiring pipe, two jackscrew holes are punched on the sleeve, the inner screw of the sleeve is sleeved by a screw cone, and the jackscrew is matched with the screw hole of the sleeve in a threaded manner.

1.7 spool butt joint operation window cutting

The cutting height of the conduit butt joint operation window is 200mm, and the width of the conduit butt joint operation window is 50mm outside the pipe in the hole.

1.8 ALC through-hole in-hole piping

Generally speaking, the switch, the socket and the junction box connecting pipe come from the top and come from the ground, the butt joint construction is the same, the roof plate is used for pipe description, according to the junction box position, the operation hole position and the wire pipe fixing requirement, the pipe cutting and blanking are carried out, the pipe orifice of the thin-wall galvanized wire pipe needs to be cleaned of iron thorns, a finished sleeve pipe inserting box connector is firstly installed at one end of the thin-wall galvanized wire pipe, the connector and the pipe head are connected in a compression joint mode, one end provided with the finished sleeve pipe is inserted into the junction box hole from the plate hole, the junction box is placed into the junction box hole, the finished sleeve pipe enters the junction box connector, the connection is loosened by using a matched nut, then the junction box is fixed by using a self-tapping screw, and finally the matched nut is fastened.

1.9 site ALC board butt joint installation

When dark distribution pipe and the hidden distribution pipe of primary structure get rid of a mouthful butt joint installation in on-the-spot ALC inboard, penetrate the sleeve pipe from ALC board one side, the mouth of pipe is adjusted the back well, shifts up the sleeve pipe to the sleeve pipe center and aligns in the dark distribution pipe of primary structure, fixes through fastening screw, wraps up with sticky tape paper at last.

The actual measurement is usually measured to the on-the-spot to the distribution pipe butt joint, and prefabricated error can not be very big, with the error of board parallel direction, the adjustment of accessible inter-plate seam, with the error of board vertical direction, through upper and lower pipe two sides fine setting, the downthehole piping adjustment of higher authority: and (5) mounting a sleeve outside the hidden wiring pipe, and knocking by using electrician pliers. The lower internal pipe is adjusted by the same method, so that the aim of alignment and connection can be achieved. Before butt joint, a sleeve is firstly inserted into one end of the pipe in the hole, after the joint is connected, the sleeve is combined and fastened with a fastening screw, and the neck of the fastening screw is fastened and broken to be qualified.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides an electric butt-joint structural of prefabricated wallboard and roof board, floor which characterized in that: prefabricated wallboard (13) in be equipped with line hole (15), cross and worn wall body hidden wiring pipe (5) in line hole (15), the upper and lower end of crossing line hole (15) on the face of prefabricated wallboard (13) respectively opens one spool butt joint operation window (4), in spool butt joint operation window (4) on upper portion, the upper end and the sealed butt joint of roof board hidden wiring pipe (1) of wall body hidden wiring pipe (5), in spool butt joint operation window (4) of lower part, the lower extreme and the sealed butt joint of floor board hidden wiring pipe (11) of wall body hidden wiring pipe (5), it has terminal box hole (10) to open on the route of crossing line hole (15) on the face of prefabricated wallboard (13), terminal box hole (10) are embedded to have terminal box (9), terminal box (9) are connected with wall body hidden wiring pipe (5) from top to bottom.

2. The electrical butt-joint structure of prefabricated wall panel with roof and floor as claimed in claim 1, wherein: the wall body hidden wiring pipe (5) is a thin-wall galvanized wire pipe.

3. The electrical butt-joint structure of prefabricated wall panel and roof and floor as claimed in claim 2, wherein: the wall body hidden wiring pipe (5) is connected with the floor board hidden wiring pipe (1) through a first butt joint sleeve (2), the wall body hidden wiring pipe (5) is connected with the floor board hidden wiring pipe (11) through a second butt joint sleeve (16), and the butt joint point of the wiring pipes is wrapped by adhesive tape paper (3) for sealing.

4. The electrical butt-joint structure of prefabricated wall panel with roof and floor as claimed in claim 3, wherein: wall body secret distribution pipe (5) be connected with prefabricated wallboard (13) through steel sheet (7) and first crimping sleeve pipe (6), first crimping sleeve pipe (6) lock ring on wall body secret distribution pipe (5), steel sheet (7) are connected with the periphery of first crimping sleeve pipe (6), steel sheet (7) are fixed on prefabricated wallboard (13) through self tapping screw.

5. The electrical butt-joint structure of prefabricated wall panel with roof and floor as claimed in claim 3, wherein: the wall body hidden wiring pipe (5) is connected with a joint nut on the junction box (9) through a second compression joint sleeve (8).

6. The electrical butt-joint structure of prefabricated wall panel with roof and floor as claimed in claim 1, wherein: and the junction box (9) is fixed on the prefabricated wall board (13) through self-tapping screws.

7. The electrical connection structure of prefabricated wall panel to the ceiling and floor as claimed in claim 6, wherein: the open holes of the junction box holes (10) are 2-3 mm larger than the four sides of the junction box (9), and putty is filled in the joints and is leveled.

8. The electrical butt-joint structure of prefabricated wall panel with roof and floor as claimed in claim 1, wherein: the height of the conduit butt joint operation window (4) is 200mm, the width is that the wall body hidden wiring pipe (5) is centered, and the left and right sides are respectively extended by 50 mm.

9. The electrical butt-joint structure of prefabricated wall panel and roof and floor as claimed in claim 4, wherein: the steel plate (7) is connected with the first crimping sleeve (6), the two sides of the long side are respectively reserved with 40mm, and the two sides of the short side are respectively reserved with 20 mm.

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