KR20060075682A - Connection fastening device for pipes for water and sewage pipes buried underground - Google Patents

Abstract

The present invention relates to a connection and tightening device for pipes for water and sewage pipes used in underground and civil engineering and road construction as a supply and drain pipe.

In general, when laying underground or temporarily temporary from the ground to connect at the connection part to be connected in pipes used for water and sewage pipes, wrap the waterproof sheet for connection first, then wrap the outer side with connection sockets and make proper assembly at both ends. It has been used by tightening with a tightening screw using a jaw.

In addition, the heat-shrinkable sheet is wound around the connection of the pipe, and then the heat-shrinkable sheet assembled by the fixing frame is blown with hot air to be used to heat shrink.

However, the use of the tightening screw 40 used in the tightening device is wound on both ends of the connecting socket 39 while winding the connecting socket 39 to prevent leakage in the connecting portion under the bad conditions of the construction site buried underground While constructing the assembly rib 36, it is a high difficulty to tighten the bolt 35 firmly.

In addition, the use of the fixing frame 32 for assembling while fixing the socket edge to the heat shrink tube 25 used for the connecting socket 39 described above, the assembly of the heat shrink tube 25 and the fixing frame 32 There is a lot of airborne processes, which is the reality of unproductive uneconomics.

In addition, in order to connect the pipe 20, the adhesive sheet is attached to the connection joints at both edges of the waterproof sheet 22, which is wound around the connection portion 31, and attached to the connection portion 31. Tighten and secure the teeth 261 and 262 of the shank (zipper) 26 in a row to both edges of the heat shrink tube 25 so that the handle of the body 45 of the shank 26 can be secured. As the invention consists of a combination by moving to, the waterproof sheet 22 is securely tightened in accordance with the connection portion 31 of the pipe 20 to be bonded and fixed with a steamer 24, and then the outer surface of the waterproof sheet 22 The invention was provided to assemble and tighten tightly fixed to the sides 26 of the heat shrink tube (25) to the heat shrinkage by hot air, but the use of a hot air burner in the construction site is a lot of cumbersome practical Showing limitations in using It is a reality.

Therefore, in the present invention, the invention provides an electric rare wire 30 formed integrally at predetermined intervals on the outer surface of the heat-shrinkable tube or the heat-shrinkable socket described above, and performs a connection tightening operation simply as a connection of electric current at a construction site. Is provided.

Waterproof Sheet, Heat Shrink Tubing, Rare Wire, Heating Stand

Description

Connection fastening device for pipes for water and sewage pipes buried underground

1 is a partial perspective view of a connection fastening device of a pipe conventionally used

FIG. 2 is a partially cut away perspective view of the embodiment of FIG. 1. FIG.

3 and 4 are perspective views of main parts of another embodiment used in the related art.

5 is a partially cut away perspective view of the main portion of the invention.

6 is a perspective view of main parts of the use state of FIG.

7 is a cross-sectional view taken along the line A-A in FIG.

8 is a partial perspective view of an embodiment of the main portion of the present invention;

9 is a partial cross-sectional view of the embodiment of the main part in FIG.

Explanation of symbols on major parts of drawings

20. Pipe 22. Waterproof 24. Tied 25. Heat Shrink Tubing

26. Sacks 28. Hollow holes 29. Outer wall surface 30. Inner wall surface

32. Retaining frame 39. Connecting socket 40. Tightening screw 42. Heating belt

43. Connections 45. Body 46. Wires 48. Rare wires 49. Heating rods

59. Silicon fiber 60. Plug 61. Stainless steel plate 62. Hinge

The present invention relates to a connection fastening device for pipes for water and sewage pipes used as a water supply and drainage pipe, a conduit, and the like used in civil engineering and road construction.

In general, a pipe provided to be used as a water and sewage pipe is a device provided for connection of a pipe having an inner and outer surface with a certain thickness and is provided with a tightening method, a fusion method, and the like at a connection part of the pipe.

That is, the tightening method described above will be described in detail with reference to the accompanying drawings, Figure 1 is a partial perspective view of a conventional connection fastening device of the pipe, Figure 2 is a partially cut-out perspective view of the embodiment in Figure 1 3 and 4 are perspective views showing main parts of another embodiment used in the related art.

Therefore, as shown in Figures 1 to 4, the flexible sheet is made of a PVC, PE material, durable and flexible or stretchable synthetic resin or rubber to maintain a predetermined thickness while connecting the waterproof sheet to each other While connecting the pipes to be connected to each other formed in accordance with the connecting portion of the pipes, the wrap around the outer surface of the waterproof sheet is tightened by tightening, which is mainly used to tighten the connecting sockets, While using a connection tightening device configured to tighten the tightening ribs at both ends and tightening with a tightening screw, etc., this is a reality that a perfect tightening operation is difficult due to the tightening screw under the adverse conditions of the construction site during the underground embedding process.

In addition, by using the heat-shrink tube described above is used to heat the hot air to the product configured to tighten the waterproof sheet by the heat shrink, but the assembly process for the fixing frame is assembled on both sides of the edge facing the waterproof sheet used here As it is a very complicated process, it is a factor of the increase in cost.

In addition, the fusion method in the pipe connecting device should use a heater, etc., to heat the cross section of the connecting part to be connected. Therefore, at the construction site where the underground is buried due to the high cost of the equipment and the difficulty of the work method. The use of is a reality that requires a high level of skill.

Therefore, in the present invention, the inner wall surface 30 and the outer wall surface 29 on which the hollow sphere 28 is formed are formed in the spiral tube in which the outer surface is formed as a spiral surface or the hollow tube 28 is formed in a spiral winding. The spiral pipe is mainly used as the pipe 20 for water and sewage pipe which is formed to have a smooth surface.

In addition, in the present invention, the heat-shrink tube to be assembled while forming the integrally swept (24) integrally fused on both side edges of the waterproof sheet wound on the connecting portion in the connecting device for assembling and tightening the connecting portion of the pipe 20 The heat shrink tube 25 is hot-aired while the teeth 261 and 262 and the body 45 of the shank (zipper) 26 are assembled in a row at both edges of the coil 25 which are bonded to each other. It is using a connecting device configured to tighten the heat shrink.

In addition, the material forming the heating shrink tube 25 is provided by weaving with nylon or the like formed of a synthetic fiber material to provide a shrink fiber, it is provided by coating with a soft synthetic resin to form a heating sheet integrally.

The present invention is designed to be used as a connection fastening device by improving the structure of the conventional fastening device for pipes for water and sewage pipes, in particular, the preparation of a hot air fan for heat shrinkage at the construction site of the soft waterproof sheet and heat shrinkable tube Since it is cumbersome to use at the construction site, it is practically configured to provide a task of tightening the waterproof sheet as heating, and the purpose is to solve the demand of product appearance that is simply tightened by a known heating method to prevent leakage.

In order to solve the above object of the present invention, the waterproof sheet is wound around the outer surface of the connecting portion 31 in order to connect with each other in accordance with the connecting portion of the pipe to be connected, then assembled on both sides of the joint of the waterproof sheet The heat-shrink tube is fixed to the outer side, and the heat shrink tube to which the shank to be assembled at both edges is fixed to the outer side by extrapolating in accordance with the outer surface of the waterproof sheet, while maintaining a predetermined spacing on the heat shrink tube at a predetermined distance. Consists of an electric wire, and is connected to the wire assembly, the wire is assembled to the plug as an invention, by heating up to a predetermined temperature from the white wire through a current by tightening the waterproof sheet by heat shrinkage to prevent leakage from the connection portion of the pipe and Connection fastening device for pipes, characterized in that it is configured to provide a binding force The invention relates to.

Accordingly, when the present invention is described in detail with reference to the accompanying drawings,

Figure 5 is a partially cut away perspective view of the main portion of the present invention, Figure 6 is a perspective view of the main portion of the state of use for Figure 5, Figure 7 is a cross-sectional view taken along line AA in Figure 6, Figure 8 is an embodiment of the main portion of the present invention Partial perspective view of an example, and FIG. 9 is a partial cross-sectional view of an embodiment of the main portion in FIG. 8.

Therefore, the description of the main portion of the present invention as shown in Figures 5 to 7, attached to the connection portion 31 to be connected to each other in the pipe 20 is composed of a predetermined length to be used for water and sewage pipes buried underground In accordance with both sides of the waterproof sheet 22 facing each other by winding the waterproof sheet 22 in accordance with the outer surface of the), the wet sheet 24 in accordance with both edges in the waterproof sheet 22 Each of them is assembled or coated with an adhesive or the like, one side of the edge is formed by the junction 43 to prevent leakage to the junction.

Here, the purpose of the tweezers 24 used to wind and secure the waterproof sheet 22 to be used is to tighten the outer surface of the waterproof sheet 22 with the heat shrink tube 25, which is required to be waterproof in the process. One side of the edge is assembled to the inner side, so that the seat 22 is wrapped around the connecting portion 31 of the pipe 20, the other side is assembled to the outer side side And, while winding in the connecting portion 31 of the pipe 20 is bonded with the weeping 24 to overlap each other.

And, the watertight role of the waterproof sheet 22 is possible by tightening the watertight sheet 22 by the heat shrink of the heat shrink tube 25 fastened to the outer surface, but in preparation for the heating hot air in a harsh environment at the construction site. There was a lot of hassle about.

In addition, the steamer 24 assembled to both sides of the waterproof sheet 22 to be used is assembled on the one side of the waterproof sheet 22 to assemble the loop structure of the steamer 24, the other side of the hook structure steamed Forming the joints 43 to the outside while fixing the 24, the pipe to the heat shrink process of the heat shrink tube 25 by overlapping each other when the waterproof sheet 22 is wound around the connection portion of the pipe 20 ( 20, and a separate heat shrink tube 25 is wound around the outer surface of the waterproof sheet 22, and the jik (zipper) integrally fixed to both edges of the heat shrink tube 25 ( There is also the hassle of moving the teeth (261) (262) and the body (45) of 26 to assemble.

Therefore, in the present invention, as an invention for solving the troublesome problem,

Comprising a heat shrink sheet 25 is formed by integrally bonding to the outer surface of the waterproof sheet 22 described above, while embedding the white wire 48 while maintaining a predetermined distance to the outer surface of the heat shrink sheet (25) The invention is configured to provide a connection tightening device consisting of.

In addition, the use of a hot air fan for heating the heat shrink tube 25 used in the present invention is conventionally fixed by the fixing frame 32 at both edges of the heat shrink tube 25 so as to overflow the length of the waterproof sheet 22. It is a device that is designed to be tightly assembled to a size that is large enough to maintain a space where a small gap is formed to surround the outside, and then tightly tighten the waterproof sheet by heat shrinkage with a hot air fan on the outer side. Due to the complicated structure of the fixing frame 32, the process of assembling at the edge of the heat-shrink tube 25 is very difficult, and since it is made of a linear hard metal structure, it is difficult to transport to the construction site and difficult to assemble at the construction site. Consists of

Therefore, as an invention for solving the above problems, as a device for providing a heating belt 42 is configured to be heated by winding the outer surface of the heat shrink tube 25, as shown in Figure 8, always heat shrink tube In order to provide a heating belt 42 which is configured to wind by winding the outer surface of the 25, the outer surface of the heat shrink tube 25 is wound, so that it can be joined to the opposite longitudinally joined edges (zippers). The teeth 261 and 262 of the 26 and the body 45 are assembled in a line, respectively, and the teeth 261 and 262 of the said shank 26 in the process of laying underground in the construction site. Using a handle connected to the body 45 of the coupling to the heating belt 42 formed in a cylindrical shape to be fixed in a cylindrical shape, while maintaining a predetermined spacing of the rare wire 48, silicon fibers that provide heat resistance (59) and asbestos, etc. are built in, When the electric wire 46 is connected to the end of the rare wire 48 embedded in the heating belt 42, and the electricity is connected through the plug 60 assembled thereto, the heat generation path of the rare wire 48 By heating the heat shrink tube 25 to provide a heat shrink effect, the waterproof sheet 22 tightens the connection portion 31 of the pipe 20 to provide a waterproof role to the connection portion of the pipe 20.

Here, the heating belt 42, which has completed the role of thermal contraction, is simply separated by using a handle connected to the body 45 of the teeth 261 and 262 of the shank 26 assembled thereto. As an invention configured to be reused, the invention is configured to provide economical savings since it is used repeatedly.

Therefore, in the present invention, in order to simply solve the troublesome problems such as economic burden such as the rarer for providing the electrical heating described above, the heat shrink tube 25 or the heating belt (in which the rarer wire 48 is integrally formed) The protection wall 53 of 42 is an invention provided by integrally forming a silicon fiber 59, which is a fire-resistant fiber, used in fire suits worn by firefighters when a fire accident occurs, and also uses a structure such as an electric blanket. It is also within the claims of the present invention to be provided so that it can be folded and transported to each other and used again.

In addition, the description of the embodiment of the main portion of the heating belt 42, which is the main portion of the present invention, as shown in Figure 9, the structure of the heating belt 42 is wound around the circumference of the connecting portion in most pipes The length of the medium and large circumference, which is mainly used, is about 2 to 4 m in length, and the teeth 261 of the shank 26 constituted at both edges of the heating belt 42 are used. 262 is a heating belt 42 is built-in while the longitudinal direction in which the pipe 20 is connected is formed in a straight line, the description of this embodiment, a rare wire embedded in the inside of the heating belt 42 (48) The heating belt 42, the heat shrinkage temperature of the synthetic fiber material, such as polyester used as the heat shrink material used in the heat shrink tube 25, the temperature of about 150 ~ 200 ℃ is almost required Efficient for durability and assembly in construction An apparatus for providing a simple structure for carrying and assembling the construction site for the purpose of reinforcement, and the width that is circumferentially adjusted in the circumferential direction of the pipe 20 to be thermally connected in the heating belt 42. While forming the heating table 49 to separate the length of the direction at a predetermined interval while the outer surface is wrapped in a stainless steel plate 61 with good heat resistance and good durability while embedding the white wire 48 inside the According to the invention provided to assemble by folding or fold each other by connecting the parts to be separated along the hinge 62, it is an invention that solves to facilitate transport and storage or reuse.

Therefore, the configuration of the heating belt 42 is an inner and outer surface formed of a stainless plate 61 on the asbestos as heat-resistant structure while assembling a white paper 62 between the heating plate 65 in the width direction to form a flexible structure ( 57 is formed by inserting a rare wire 48 to maintain a predetermined interval, the heating belt 42 is the body 45 of the jacquard 26 'to heat and then wound the heat shrink tube 25 The invention is configured to separate and re-use each other with the teeth of the jacquard 26 'in a tightening structure by moving the handle, wherein the heating belt 42 used is a predetermined It is connected to the left and right while maintaining the interval of the assembling, and the material used is also as flexible as electric blankets by using asbestos and heat-resistant fibers with high flame resistance and heat resistance, such as silicone fibers (59) used in fire suits, etc. By providing construction site Transport and assembly under adverse conditions, allows to provide to the decomposition easily.

Therefore, in the present invention, the outer surface of the heat-shrinkable tube 25 formed by coating the inner and outer sides of the fiber formed by weaving with nylon or synthetic fiber yarn or the like with a resin or the like, and the white wire 48 at a predetermined interval The present invention provides a heating device that is integrally fixed while being held, and is assembled by a plug 60 while connecting electric wires 46 to both ends of the rare wire 48 used herein, so that the movement to the sanding site can be achieved. The invention is configured to facilitate.

In addition, the outer surface of the heat shrink tube 25 used in the connection fastening device of the present invention, using a heating belt 42 assembled while wrapping separately, the heating belt 42 used here is the connection fastening of the present invention Tightening of the tight tightening process under adverse conditions in the construction site used while wrapping in the device is caused by a variety of difficult conditions, as an invention for solving the problem, the circumference of both sides of the heating belt 42 26 ") teeth 261 and 262 are fixed by sewing, etc., so that the assembly at the construction site is configured to facilitate heating function, and also the heat shrink tube 25 used as the connection socket 39 After the shrinkage process is performed by heating it, it is separated by moving the handle of the body 45 assembled to the teeth 261 and 262 of the shank 26 "so that it can be easily reused. The invention is not sex.

The present invention provides a fastening device for pipes for water and sewage pipes, which are buried underground in civil engineering and road construction, and used as a water supply and drainage pipe, and a fastening structure of a waterproof sheet and a connecting socket connected to a pipe connection part is easily manufactured from the place of manufacture to the construction site. Foldable to each other, and also provided as a connecting device of simple assembly structure in the construction site, and as a device that can be reused continuously and repeatedly, it is useful for saving construction time and economic efficiency by allowing anyone to easily perform perfectly at the construction site. Invention.

Claims (3)

On both sides of the pipes 20 used as the water and sewage pipes 27, the waterproof sheets 22 for assembling the weeds 24 are respectively wound on the inner and outer sides of both edges. Fixing frame 32 configured at the edge of the pipe 20 is connected to the heat shrink tube 25 assembled in the longitudinal direction of the pipe 20 by hot air to tighten the pipe 20 to tighten the waterproof sheet 22 by heat shrink In the device, while assembling each of the steamers 24 on the inner and outer sides of both edges in the waterproof sheet 22, by forming a joint portion 43 on one side to tighten the connecting portion 31 to assemble tightly, The teeth 261 and 262 of the shank 26 are fixed in a row so as to be assembled in the longitudinal direction of the pipe 20, and the shank 26 is pulled by the handle to the body 45 to make the shank ( 26, joining the teeth 261 and 262, the heat shrink tube ( Tightening device of the pipe 20 for fixing the teeth 261 and 262 of the shank 26 in a line so that both edges facing each other by winding 25 are assembled in the longitudinal direction of the pipe 20. To A built-in white wire (48) formed at predetermined intervals while being integral with the outer surface of the heat shrink tube (25) integral with the outer surface of the waterproof sheet (22), Sheathed with silicon fibers 59 on the outer surface of the rare wire 48, Connection device for underground buried water pipes, sewer pipes, characterized in that the two ends of the rare wire (48) are assembled by a plug (60) connected to the wire (46). The method of claim 1, Connection of pipes for underground buried water and sewage pipes, characterized in that configured to heat the outer surface of the heat shrink tube 25 surrounding the waterproof sheet 22 with a heating belt 42 in which a rare wire 48 is embedded. Fasteners. The method of claim 2, The heating belt 42 is separated by a predetermined interval in the circumferential direction and is composed of a heater wire 49 formed by covering with a rare wire 48 embedded in the stainless plate 61 and asbestos or silicon fiber 59. , Connecting and tightening device for underground buried water pipes, sewer pipes, characterized in that configured to fold or unfold by connecting the heating table (49) with a hinge (62).

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