WO2021137438A1

WO2021137438A1 - Plumbing apparatus for synthetic resin flexible conduit

Info

Publication number: WO2021137438A1
Application number: PCT/KR2020/016668
Authority: WO
Inventors: 김홍식
Original assignee: 김홍식
Priority date: 2020-01-02
Filing date: 2020-11-24
Publication date: 2021-07-08
Also published as: KR102148942B1; JP7353685B2; JP2023509682A

Abstract

The present invention relates to a plumbing apparatus for a synthetic resin flexible conduit, which can facilitate the work of arranging a flexible conduit between upper and lower deformed bars during slab-embedded plumbing. According to the technical idea of the present invention, the plumbing apparatus for plumbing a synthetic resin flexible conduit having conduit concave portions on the inner diameter thereof comprises: a plumbing apparatus main body provided with an insertion pipe inserted into the inner diameter of the flexible conduit and through-holes formed in both sides of the insertion pipe so as to correspond to the conduit concave portions, and having an operation hole to communicate with the inner diameter of the insertion pipe; a lead wire of which one end portion is arranged in the operation hole to be withdrawable; a pair of fixing holders provided with holder convex portions that pass through the through-holes of the insertion pipe and are concave-convex coupled to the conduit concave portion, the pair of fixing holders having symmetrical arc-shaped guide surfaces on opposite sides of the inner diameter of the insertion pipe; a contraction ring for connecting the pair of fixing holders to be elastically contracted; a sliding shaft of which one end portion is connected to the end portion of the lead wire arranged in the operation hole and in which the outer diameter of the other end portion is slidably connected onto the guide surfaces of the pair of fixing holders; and an expansion shaft connected to the other end portion of the sliding shaft and expanding the pair of fixing holders to the opposite sides to enable the holder convex portions to be concave-convex coupled into the conduit concave portions as the lead wire is withdrawn.

Description

Synthetic resin flexible conduit plumbing machine

The present invention relates to a synthetic resin flexible conduit plumbing machine, and more particularly, to a synthetic resin flexible conduit plumbing machine capable of facilitating the operation of arranging a flexible conduit between upper and lower deformed reinforcing bars during slab-embedded piping.

As is well known, the flexible conduit pipe made of synthetic resin material is a freely bendable pipe and can be installed instead of a metal pipe, and the efficiency of the pipe can be improved because it is flexible and has a long length, so there are fewer types of accessories.

As a prior art related to the flexible conduit 10, Republic of Korea Patent No. 1013730 (registration date February 01, 2011) 'PVC resin composition and flame-retardant flexible conduit using the same' and Korean Patent Laid-Open No. 10-2002-0034790 ( Publication date May 09, 2002) 'A flexible conduit and a wire-integrated flexible conduit using the same' have been published.

However, in the prior art, in order to arrange the flexible conduit between the upper and lower deformed reinforcing bars in the slab-embedded piping, several workers have to carry the flexible conduit and bend it while moving it, so there are problems such as increased labor costs and reduced workability.

The present invention has been devised to solve the problems of the prior art as described above, and an object of the present invention is a synthetic resin flexible conduit plumbing machine that can facilitate the operation of arranging a flexible conduit between upper and lower deformed reinforcing bars during slab embedded piping. is to provide

In order to achieve the above object, a first embodiment of the present invention is a piping device for piping a synthetic resin flexible conduit having a conduit concave portion formed in an inner diameter, so as to correspond to an inserted tube inserted into the inner diameter of the flexible conduit and the conduit concave portion. A pipe main body having through holes formed on both sides of the inserted tube and having an operating hole to communicate with the inner diameter of the inserted tube, a lead wire having one end disposed in the operating hole of the main pipe body to be withdrawn, passing through the through hole of the inserted tube A pair of fixing holders having an arc-shaped guide surface to be symmetrical on both sides of the inner diameter of the insertion tube, the pair of fixing holders being provided with a holder convex portion so as to be concave-convex coupled to the concave-convex portion of the conduit, and the pair of fixing holders to elastically contract A ring, one end of which is connected to the end of the lead wire disposed in the working hole, and the outer diameter of the other end is a sliding shaft slidably connected to the guide surface of the pair of fixing holders, and the other end of the sliding shaft is connected to the lead wire It is a technical idea to include an extension shaft that expands the pair of fixing holders to both sides so that the holder convex portion is coupled to the concave-convex portion of the conduit according to the withdrawal of the convex portion.

In the first embodiment of the present invention, the lead wire and the sliding shaft are connected by a sleeve, and a fixing pin is provided on an outer surface of the sleeve in a direction perpendicular to the axis, and one end of the lead wire is provided at one end of the main body of the pipe. A pins slit may be formed so that the fixing pin is fixed during rotation after withdrawal.

In the first embodiment of the present invention, an entrance guide part having a gradually decreasing diameter is formed at the end of the expansion shaft connected to the sliding shaft to guide the entry to the guide surface of the fixing holder.

In order to achieve the above object, a second embodiment of the present invention is a piping device for piping a synthetic resin flexible conduit having a conduit recess formed with an inner diameter, an insertion tube having a working space therein and inserted into the inner diameter of the flexible conduit tube and a through hole formed on both sides of the insertion tube so as to correspond to the conduit concavity, the piping main body having buttonholes formed on both sides to communicate with the operation space of the insertion tube, elastically and compressively installed in the operation space of the insertion tube An elastic holder having a holder convex part that is concave-convex to the concave-convex portion of the conduit while penetrating the through-hole, a push button connected to elastically compress the elastic holder and operably disposed in the button hole, holding by the elastic holder It is a technical idea to include a lead wire connected to pull the flexible conduit.

In the second embodiment of the present invention, the elastic holder includes two leaf springs disposed on both sides of the working space, and a connecting part that connects one end of the two leaf springs to curve and elastically applies a compressive force. can do.

In this case, the holder convex portion may be formed on the outer surface of the two plate springs.

In the second embodiment of the present invention, a restoring member may be interposed between the two leaf springs to elastically restore the gapped elastic holder.

A third embodiment of the present invention for achieving the above object is a piping device for piping a synthetic resin flexible conduit with a conduit recess formed with an outer diameter, rotatably connected to a pivot so as to hold both sides of the outer surface of the flexible conduit. A clamp holder provided with a holder convex portion to be concave-convexly coupled to the concave-convex portion of the conduit, an elastic member installed to elastically spread the clamp holder, and a pickup tube coupled to collect the clamp holder spread out by the elastic member to pick up the flexible conduit tube , It is a technical idea to include a lead wire connected to pull the clamp holder that picks up the flexible wire tube through the pickup tube.

In the third embodiment of the present invention, the tongs holder is formed in an arc shape and wraps around both sides of the outer diameter of the flexible conduit tube and picks up upper and lower tongs, and a pivot for rotatably connecting the upper and lower tongs. .

At this time, the holder convex portion may be formed on the inner surface of the upper and lower tongs.

In the third embodiment of the present invention, a stopper is provided on the inner diameter of the pickup tube so as to be interrupted by the sleeve connecting the pivot shaft connected to the pivot and the lead wire, so that the pickup tube is prevented from being separated in the lead wire direction. .

A fourth embodiment of the present invention for achieving the above object is a piping device for piping a synthetic resin flexible conduit tube having a conduit recess formed in an outer diameter, an insertion hole formed so that the outer diameter of the flexible conduit tube is inserted, and an end inner diameter of the insertion hole It is a technical idea to include a tube holder having a holder convex portion that is formed and connected to the concave-convex portion of the conduit by an elastic piece, and a lead wire connected to pull the tube holder.

In the fourth embodiment of the present invention, a conduit outlet may be formed on one side of the tube holder to discharge the cut flexible conduit after the piping is completed.

According to the present invention implemented as the above-described solution, there is a very useful effect that can facilitate the installation work of the flexible conduit by arranging the main body of the pipe or the holder between the upper and lower deformed reinforcing bars during the slab-embedded piping.

1 is a perspective view showing an overall form according to a first embodiment of the present invention.

2 is a cross-sectional view showing a longitudinal section according to the first embodiment of the present invention.

3 is a cross-sectional view showing an exploded state of the flexible conduit according to the first embodiment of the present invention.

4 and 5 are operational views showing in cross section a coupling process with a flexible conduit according to a first embodiment of the present invention.

6 is a perspective view showing an overall form according to a second embodiment of the present invention.

7 is a cross-sectional view showing a longitudinal section according to a second embodiment of the present invention.

8 and 9 are cross-sectional views showing a coupling process with a flexible conduit tube according to a second embodiment of the present invention.

10 is a perspective view showing an overall form according to a third embodiment of the present invention.

11 is a cross-sectional view showing a longitudinal section in a state in which the flexible conduit tube according to the third embodiment of the present invention is coupled.

12 is a cross-sectional view showing a coupling process with a flexible conduit according to a third embodiment of the present invention.

13 is a cross-sectional view showing the disassembly process of the flexible conduit tube according to the third embodiment of the present invention.

14 is a cross-sectional view showing another embodiment of the tong holder according to the third embodiment of the present invention.

15 is a perspective view showing an overall form according to a fourth embodiment of the present invention.

16 is a cross-sectional view showing a longitudinal section in a state in which the flexible conduit tube according to the fourth embodiment of the present invention is coupled.

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those of ordinary skill in the art.

Accordingly, the shape of the components expressed in the drawings may be exaggerated to emphasize a clearer description. It should be noted that the same members in each drawing are sometimes shown with the same reference numerals. In addition, detailed descriptions of well-known functions and configurations determined to unnecessarily obscure the gist of the present invention will be omitted.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The synthetic resin flexible conduit 10 piping device according to the first embodiment of the present invention corresponds to the inserted tube 110 and the conduit recess 11 inserted into the inner diameter of the flexible conduit 10. The through-holes 112 formed on both sides are provided so that one end of the piping main body 100 having the operation hole 101 to communicate with the inner diameter of the insertion tube 110, and one end of the operation hole 101 of the piping main body 100 can be drawn out. The lead wire 200, the holder convex portion 301 is provided so as to be coupled to the concave-convex portion 11 while penetrating the through hole 112 of the insertion tube 110, so that the arc is symmetrical on both sides of the inner diameter of the insertion tube 110. A pair of fixing holders 300 having a guide surface 302 of a shape, a contracting ring 310 connecting the pair of fixing holders 300 to elastically contract, one end of which is disposed in the operation hole 101 It is connected to the end of the lead wire 200 and the outer diameter of the other end is a sliding shaft 410 slidably connected to the guide surface 302 of the pair of fixing holder 300, the other end of the sliding shaft 410 is connected to the lead It includes an extension shaft 420 that expands the pair of fixing holders 300 to both sides so that the holder convex portion 301 is coupled to the concave-convex portion 11 of the conduit concave portion 11 as the wire 200 is drawn out.

First, the flexible conduit 10 is formed as shown in FIG. 3 so as to be freely bent, and this flexible conduit 10 includes conduit concavities 11 formed in inner and outer diameters.

The piping main body 100 is a configuration constituting the framework of the present invention, and the piping main body 100 is formed in a substantially hollow tube shape and has an operation hole 101 therein.

1 and 2, the front end of the main pipe body 100 is provided with an insertion tube 110 with an empty interior so as to communicate continuously with the operation hole 101. The tip of the insertion tube 110 has a hemispherical shape. Since it is closed by the closing end 111 of the pipe main body 100, the left end is closed and the right end is formed in an open shape. A pins slit 102 is formed at the open right end of the pipe main body 100 in a direction perpendicular to the axis, and a fixing pin 221 to be described later is fixed thereto.

And the outer diameter of the insertion tube 110 is formed smaller than the outer diameter of the main pipe body 100, and a plurality of through holes 112 are formed on both upper and lower sides to correspond to the conduit concave portion 11 of the flexible conduit 10, and both sides of the inner diameter The holder groove 113 is formed in the to prevent the left and right flow of the fixed holder (300).

The lead wire 200 is made of a synthetic resin material having a predetermined hardness and elasticity that can be drawn out and entered with respect to the main pipe body 100 and has a length of about 100 cm or more.

1 and 2, the left end of the lead wire 200 is connected to the right end of the sliding shaft 410 by the sleeve 220 is disposed in the operation hole 101 of the main piping body 100, The right end is disposed outside the pipe main body 100 and has a traction head 210 .

Here, the outer surface of the sleeve 220 is provided with a fixing pin 221 in a direction orthogonal to the axial direction of the lead wire 200, so that the pins slit 102 of the main piping body 100 is rotated after the lead wire 200 is drawn out. ) is fixed to

The fixing holder 300 is moved outwardly by the expansion shaft 420 to hold the flexible conduit 10 .

2, the fixing holder 300 is formed in a circular arc shape and consists of a pair disposed symmetrically on both sides of the inner diameter of the insertion tube 110, and the outer diameter of the fixing holder 300 has a holder convex portion 301. is provided integrally and is coupled to the concave-convex portion 11 while penetrating the through-hole 112 of the insertion tube 110 to hold the flexible conduit tube 10 .

And an arc-shaped guide surface 302 is formed on the inner diameter of the fixing holder 300 to guide the sliding of the sliding shaft 410, and ring slits 303 are formed on the left and right sides of the outer diameter, so that the shrink ring 310 is coupled. .

The shrink ring 310 is made of a material having an elastic force to elastically contract the pair of fixing holders 300 .

Referring to FIG. 2 , the shrink ring 310 is coupled to the ring slits 303 formed on both sides of the fixing holder 300 to elastically contract the pair of shrink rings 310 .

The sliding shaft 410 connects the lead wire 200 and the expansion shaft 420 to maintain a so-called contracted state in which the diameter of the fixing holder 300 is reduced.

2, the right end of the sliding shaft 410 is connected to the left end of the lead wire 200 by the sleeve 220 and the left end is connected to the expansion shaft 420, so the sliding shaft 410 is inserted It slides along the inner diameter of the pipe 110 and the operation hole 101 of the main pipe body 100 .

The expansion shaft 420 is formed to be larger than the outer diameter of the sliding shaft 410, and as the lead wire 200 is withdrawn, a pair of fixed holds are opened to maintain a so-called expanded state with a larger diameter.

Referring to FIG. 2 , the right end of the extension shaft 420 is connected to the left end of the sliding shaft 410 , and the right end of the extension shaft 420 has a tapered entry guide so that the diameter is gradually reduced. It is connected to the left end of the sliding shaft 410 through 421 to induce a smooth guide when entering the guide surface 302 of the fixing holder 300 .

And at the left end of the extension shaft 420, a withdrawal prevention head 422 formed with an outer diameter larger than that of the extension shaft 420 is integrally provided, so that when the lead wire 200 is drawn out, the extension shaft 420 is connected to the pipe main body 100 ) to prevent it from being drawn out.

In the first embodiment of the present invention configured as described above, as shown in FIG. 3 , after placing the main body 100 and the lead wire 200 at the desired piping position, the flexible conduit 10 in the direction of the arrow shown in FIG. It is inserted into the insertion tube 110 .

Next, when the lead wire 200 is pulled out in the direction of the arrow of FIG. 5 and withdrawn from the main body 100 of the pipe, the extension shaft 420 slid by the sliding shaft 410 moves the guide surface 302 of the fixing holder 300 to It is moved by pushing it outward, and the holder convex portion 301 is concave-convex coupled to the conduit concave portion 11 to hold the flexible conduit tube 10 .

At this time, when the lead wire 200 is rotated in the direction of the arrow in FIG. 5 , the sleeve 220 is rotated and the fixing pin 221 is fixed to the pins slit 102 , so the flexible conduit 10 by the fixing holder 300 . It is possible to maintain the holding state.

Subsequently, when the head of the lead wire 200 is moved in the direction of the arrow in FIG. 5 to the end of the piping, the piping is completed.

Thereafter, when the lead wire 200 is rotated in the opposite direction of the arrow of FIG. 5 , the fixing pin 221 fixed to the pins slit 102 is released.

Then, when the lead wire 200 is pushed in the direction of the main pipe body 100, as shown in FIG. 4 , the expansion shaft 420 is slid close to the closing end 111 of the insertion tube 110, and the fixing holder ( 300 is contracted by the shrink ring 310 to separate the holder convex portion 301 coupled to the conduit concave portion 11, so the piping construction is completed.

The synthetic resin flexible conduit 10 piping device according to the second embodiment of the present invention is provided with a working space 103 therein, and the insertion tube 110 and the conduit concave portion 11 are inserted into the inner diameter of the flexible conduit 10. ) is provided with through-holes 112 formed on both sides of the insertion tube 110 so as to correspond to the piping main body 100 having buttonholes 104 formed on both sides so as to communicate with the working space 103 of the insertion tube 110, insertion An elastic holder 500, an elastic holder having a holder convex portion 301 that is installed elastically and compressively in the working space 103 of the tube 110 and is coupled to the concave-convex portion 11 while penetrating the through hole 112. The lead wire 200 connected to lead the flexible conduit 10 held by the push button 520, which is connected to elastically compress the 500 and which is arranged to be pushable in the button hole 104, and the elastic holder 500 ) is included.

In the description of the second embodiment of the present invention, the description of the same or similar configuration as that of the first embodiment of the present invention may be substituted for the description of the above-described embodiment, and thus will be omitted.

6 and 7, the left end of the main pipe body 100 is provided with an insertion tube 110 having a working space 103 therein. The front end of the insertion tube 110 is a hemispherical finished end. Since it is closed by (111), the left end of the main piping body 100 is closed. A lead wire 200 is connected to the right end of the main pipe body 100 by a sleeve 220 .

And the outer diameter of the insertion tube 110 is formed smaller than the outer diameter of the main pipe body 100, and a plurality of through-holes 112 are formed in the upper and lower sides to correspond to the conduit concave portion 11 of the flexible conduit 10.

In addition, a button hole 104 is formed in the piping main body 100 so as to connect vertically to the right end of the working space 103 , and the push button 520 is disposed to be pushable in the vertical direction.

The elastic holder 500 is elastically compressed by the push of the push button 520 to release the holding state of the flexible conduit 10 .

Referring to FIG. 7 , the elastic holder 500 includes two leaf springs 501 disposed on both upper and lower sides of the working space 103 , and a connecting portion 502 curved in a semicircular shape to connect the two leaf springs 501 . ), and it functions to resist the force of compression.

A plurality of holder convex portions 301 are integrally provided on the outer surface of the two leaf springs 501 to penetrate the through-holes 112 of the insertion tube 110 and concavo-convex to the conduit concave portion 11, so that the flexible conduit tube 10 is held. will do

A restoring member to resist compression force may be interposed between the two leaf springs 501 , and the restoring member is preferably implemented as a coil spring 510 as shown in FIG. 7 .

The push button 520 is disposed in the button hole 104 of the pipe main body 100 to elastically compress the elastic holder 500 .

6 and 7 , the push button 520 is connected to the right end of the two leaf springs 501 , respectively, so that it can be pushed from the outside to the inside of the main pipe body 100 .

The push button 520 is preferably formed integrally with the push button 520 of the elastic holder 500 .

The lead wire 200 is made of a synthetic resin material having a predetermined hardness and elasticity so as to pull the main body 100 of the pipe, and has a length of about 100 cm or more.

6 and 7 , the left end of the lead wire 200 is connected to the right end of the main body 100 of the pipe by the sleeve 220 .

In the second embodiment of the present invention configured as described above, after placing the main pipe body 100 and the lead wire 200 at a desired pipe position, when the push button 520 is pushed in the direction of the arrow shown in FIG. 8, the elasticity Since the plate spring 501 of the holder 500 is elastically compressed, the holder convex portion 301 protruding to the outer diameter of the insertion tube 110 is located in the through hole 112 .

At this time, the flexible conduit 10 can be inserted in the direction of the arrow shown in FIG. 8 .

Next, when the push of the push button 520 is released, the two leaf springs 501 are restored to elasticity by the connection part 502 or to elasticity by the restoring member, so the holder convex part 301 is attached to the conduit concave part 11. The concave-convex coupling is performed to hold the flexible conduit 10 .

Next, when the lead wire 200 is moved in the direction of the arrow of FIG. 9 to the end of the pipe, the pipe is completed.

Thereafter, the push button 520 is pushed to separate the holder convex portion 301 from the conduit concave portion 11 as shown in FIG. 8 , so the piping construction is completed.

The synthetic resin flexible conduit 10 piping device according to the third embodiment of the present invention is rotatably connected with a pivot 603 so as to grab and hold both sides of the outer surface of the flexible conduit 10, so that the concave and convex portions 11 of the conduit are rotatably connected. The clamp holder 600 provided with the holder convex part 301 to be coupled, an elastic member installed to elastically spread the clamp holder 600, and the clamp holder 600 spread by the elastic member are collected to collect the flexible conduit (10). and a lead wire 200 connected to a pick-up tube 700 coupled so as to lead a clamp holder 600 that passes through the pick-up tube 700 and picks up the flexible conduit 10.

In the description of the third embodiment of the present invention, the description of the same or similar configuration as the first and second embodiments of the present invention can be replaced with the description of the above-described embodiment, and thus will be omitted.

The tongs holder 600 is configured to pick up and hold the outer surface of the flexible conduit 10, and as shown in FIGS. 10 and 11, the tongs holder 600 is formed in an arc shape to form the flexible conduit 10. Upper and

lower clamps

601 and 602 that wrap around both sides of the outer diameter, a pivot 603 that rotatably connects the upper and

lower clamps

601 and 602, and upper and

lower clamps

601 and 602 on the inner surface of It is formed and includes a holder convex portion 301 that is coupled to the concave-convex portion 11 formed on the outer diameter of the flexible conduit 10 .

The pivot shaft 604 is connected to the center of the pivot 603, and the outer end of the pivot shaft 604 penetrates the shaft hole 711 of the stopper 710 and passes through the sleeve 220 of the lead wire 200. connected to the left end.

The elastic member is a configuration that elastically spreads the tongs holder 600. As shown in FIGS. 10 and 11, the elastic member is interposed between the upper and

lower tongs

601 and 602 to resist the compressive force. It is implemented as a spring 610 .

The pickup tube 700 is a configuration that is coupled to the outer diameter of the flexible conduit 10 and collects the tongs holders 600 spread apart with an elastic member. As shown in FIGS. 10 and 11, the pickup tube 700 has an inside. It is formed of an empty circular tube and is slidably coupled to the outer diameter of the flexible wire tube 10 to collect the tongs holders 600 spread apart to pick up the flexible wire tube 10 .

The inner diameter of the pickup tube 700 is provided with a stopper 710 in the shape of a disk having a wire hole, so that the sleeve 220 connecting the pivot shaft 604 and the lead wire 200 is interrupted, so the pickup tube 700 is It is prevented from being separated in the direction of the lead wire 200 .

The lead wire 200 is made of a synthetic resin material having a predetermined hardness and elasticity to pull the tongs holder 600 and has a length of about 100 cm or more.

10 and 11 , the left end of the lead wire 200 is connected to the outer end of the pivot shaft 604 by a sleeve 220 .

In the third embodiment of the present invention configured as described above, after arranging the tongs holder 600 and the pickup tube 700 at a desired piping position, the flexible conduit 10 is moved in the direction of the arrow shown in FIG. It is positioned between the 601 and the lower forceps 602 .

Then, when the pick-up tube 700 is slid in the direction of the clamp holder 600, the upper and lower clamps 602 are gathered and the outer diameter of the flexible conduit 10 is picked up, at this time the holder convex part 301 is the conduit concave part 11. It is coupled to the concave-convex to hold the flexible conduit (10).

Next, when the lead wire 200 is pulled in the direction of the arrow shown in FIG. 11 and moved to the end of the pipe, the pipe is completed.

Thereafter, when the pickup tube 700 is pulled in the direction of the arrow shown in FIG. 13 , the tongs holder 600 is elastically opened by the compression spring to separate the flexible wire tube 10, so that the piping construction is completed.

On the other hand, Figure 14 is a view showing another embodiment of the tongs holder 600 according to the third embodiment of the present invention, the tongs holder 600 can be held by pressing the inner diameter of the flexible conduit (10).

At this time, the holder convex portion 301 is formed on the outer surfaces of the upper and lower clamps 602 of the clamp holder 600 and is coupled to the concave-convex portion 11 formed in the inner diameter of the flexible conduit 10 .

The synthetic resin flexible conduit 10 piping device according to the fourth embodiment of the present invention is coupled to the outer diameter of the flexible conduit 10 and connected with an elastic piece 810 so as to be unevenly coupled to the concave-convex concave portion 11 at one end of the inner diameter. A tube holder 800 having a holder convex portion 301, and a lead wire 200 connected to pull the tube holder (800).

In the description of the fourth embodiment of the present invention, descriptions of the same or similar components as those of the first to third embodiments of the present invention may be substituted for the description of the above-described embodiment, and thus will be omitted.

The tube holder 800 is a configuration for holding by being concave-convex to the outer surface of the flexible wire tube 10, and as shown in FIGS. 15 and 16, the tube holder 800 is formed in a circular tube shape with an empty inside, An insertion hole 801 is formed in the portion, and a holder convex portion 301 connected by an elastic piece 810 is provided on the inner diameter of the end of the insertion hole 801 , and the concave-convex coupling to the concave portion 11 formed on the outer diameter of the flexible conduit 10 do. At this time, the holder convex portion 301 is preferably formed in a circular annular shape like a ring along the inner diameter of the end of the insertion hole 801 as shown in FIG.

In addition, a conduit outlet 820 is formed on one side of the tube holder 800 to cut and discharge the flexible conduit 10 on which the piping is completed.

15 and 16, the left end of the lead wire 200 is connected to the other end of the tube holder 800 by the sleeve 220, the right end is provided with a traction head (210).

In the fourth embodiment of the present invention configured as described above, after arranging the tube holder 800 and the lead wire 200 at the piping position between the upper and lower deformed reinforcing bars, the flexible conduit 10 is inserted into the tube holder 800 through the insertion hole ( 801) is inserted.

* Then, the holder convex portion 301 is elastically deformed by the elastic piece 810 and is coupled to the concave-convex concave portion 11 formed on the outer diameter of the flexible conduit tube 10 .

Next, when the lead wire 200 is moved to the end of the pipe by tilting it in the direction of the arrow shown in FIG. 16 , the pipe is completed.

After that, when the remaining flexible conduit 10 is cut and discharged to the conduit outlet 820, the pipe construction is completed.

The embodiments of the present invention described above are merely exemplary, and those of ordinary skill in the art to which the present invention pertains will appreciate that various modifications and equivalent other embodiments are possible therefrom.

Therefore, it will be well understood that the present invention is not limited to the form mentioned in the above detailed description.

Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. It is also to be understood that the present invention includes all modifications, equivalents and substitutions falling within the spirit and scope of the invention as defined by the appended claims.

Modes for carrying out the invention have been described together in the above best mode for carrying out the invention.

The present invention has industrial applicability because it can facilitate the operation of arranging a flexible conduit between upper and lower deformed reinforcing bars during slab embedded piping.

Claims

In the piping device for piping a synthetic resin flexible conduit with a conduit recess formed in the inner diameter,

A pipe main body having an insertion tube inserted into the inner diameter of the flexible conduit tube and a through hole formed on both sides of the inserted tube to correspond to the concave portion of the conduit and having an operating hole to communicate with the inner diameter of the inserted tube,

A lead wire with one end disposed so as to be drawn out in the working hole of the main body of the pipe;

A pair of fixing holders having a guide surface in the shape of an arc so as to be symmetrical on both sides of the inner diameter of the insertion tube, the holder convex portion is provided so as to be coupled to the concave-convex portion of the conduit while penetrating the through hole of the insertion tube;

a shrink ring connecting the pair of fixing holders to elastically contract;

A sliding shaft having one end connected to the end of the lead wire disposed in the working hole and the outer diameter of the other end being slidably connected to the guide surface of the pair of fixing holders;

and an expansion shaft connected to the other end of the sliding shaft to extend the pair of fixing holders to both sides so that the holder convex portion is unevenly coupled to the conduit concave portion as the lead wire is drawn out.
The method according to claim 1,

The lead wire and the sliding shaft are connected by a sleeve, the outer surface of the sleeve is provided with a fixing pin in a direction perpendicular to the axis, and the fixing pin is fixed to one end of the pipe main body after the lead wire is drawn out and rotated. Synthetic resin flexible conduit piping device, characterized in that the pinslit is formed.
The method according to claim 1,

A synthetic resin flexible conduit piping device, characterized in that an entry guide part having a gradually decreasing diameter is formed at an end of the expansion shaft connected to the sliding shaft to guide entry to the guide surface of the fixed holder.
In the piping device for piping a synthetic resin flexible conduit with a conduit recess formed in the inner diameter,

A working space is provided inside the insertion tube to be inserted into the inner diameter of the flexible conduit tube, and through holes formed on both sides of the insertion tube to correspond to the concave portion of the conduit tube are provided, and buttonholes are formed on both sides to communicate with the working space of the insertion tube. plumbing body,

An elastic holder having a holder convex portion that is installed elastically and compressively in the working space of the insertion tube and is coupled to the concave-convex portion of the conduit while passing through the through hole;

A push button connected to elastically compress the elastic holder and arranged to be operably pushed into the button hole;

Synthetic resin flexible conduit piping apparatus including a lead wire connected to pull the flexible conduit pipe held by the elastic holder.
5. The method according to claim 4,

The elastic holder includes two leaf springs disposed on both sides of the working space, and a connecting part that elastically applies a compressive force by connecting one end of the two leaf springs to a curved shape,

The holder convex portion is a synthetic resin flexible conduit pipe, characterized in that formed on the outer surface of the two plate springs.
6. The method of claim 5,

A synthetic resin flexible conduit piping device, characterized in that a restoring member is interposed between the two leaf springs to elastically restore the gapped elastic holder.
In the piping device for piping a synthetic resin flexible conduit with a conduit recess formed in the outer diameter,

A clamp holder provided with a holder convex portion that is rotatably connected to a pivot so as to hold both sides of the outer surface of the flexible conduit and is concave-convexly coupled to the concave portion of the conduit;

An elastic member installed to elastically spread the tongs holder,

A pickup tube coupled to collect the clamp holders spread apart by the elastic member to pick up the flexible wire tube,

Synthetic resin flexible conduit pipe piping apparatus including a lead wire connected to pass through the pickup tube and tow the tongs holder for picking up the flexible conduit conduit.
8. The method of claim 7,

The clamp holder is formed in a circular arc shape and includes upper and lower clamps that wrap around both sides of the outer diameter of the flexible conduit, and a pivot rotatably connecting the upper and lower clamps,

The holder convex portion is a synthetic resin flexible conduit pipe, characterized in that formed on the inner surface of the upper and lower tongs.
8. The method of claim 7,

A stopper is provided on the inner diameter of the pickup tube so as to be interrupted by the sleeve connecting the pivot shaft connected to the pivot and the lead wire, so that the pickup tube is prevented from being separated in the lead wire direction. .
In the piping device for piping a synthetic resin flexible conduit with a conduit recess formed in the outer diameter,

A tube holder having an insertion hole formed to insert the outer diameter of the flexible conduit tube and a holder convex portion formed on the inner diameter of the end of the insertion hole and connected to the concave-convex portion of the conduit tube by an elastic piece;

A synthetic resin flexible conduit piping device including a lead wire connected to pull the tube holder.