KR20130107085A - A pipe connector and method for manufacturing the same - Google Patents

A pipe connector and method for manufacturing the same Download PDF

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Publication number
KR20130107085A
KR20130107085A KR1020120028901A KR20120028901A KR20130107085A KR 20130107085 A KR20130107085 A KR 20130107085A KR 1020120028901 A KR1020120028901 A KR 1020120028901A KR 20120028901 A KR20120028901 A KR 20120028901A KR 20130107085 A KR20130107085 A KR 20130107085A
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KR
South Korea
Prior art keywords
pipe
base plate
pipe connector
mold
fitting
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KR1020120028901A
Other languages
Korean (ko)
Inventor
전찬일
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전찬일
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Publication date
Application filed by 전찬일 filed Critical 전찬일
Priority to KR1020120028901A priority Critical patent/KR20130107085A/en
Publication of KR20130107085A publication Critical patent/KR20130107085A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/14—Making machine elements fittings
    • B21K1/16—Making machine elements fittings parts of pipe or hose couplings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/0406—Clamping or clipping connections for rods or tubes being coaxial
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F16L21/002—Sleeves or nipples for pipes of the same diameter; Reduction pieces

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

According to a feature of the invention, the base plate forming step (S210) for forming a base plate 20 for bending the pipe connector 100 by cutting the disc 10; The center portion of the base plate 20 is bent to protrude outwards, the support projection ring 130 is formed with stepped a (131) and stepped b (132) on both sides of the longitudinal direction (L), respectively, the base plate ( Support protrusion ring forming step (S220) to be formed in a shape extending in the width direction (W) in the central portion of the 20; The first mold 40 has a cylindrical shape and the outer peripheral surface has a shape corresponding to the lower surface of the base plate 20 and the second mold having a shape corresponding to the upper surface of the base plate 20 The base plate 20 is disposed between the 50, and the upper portion of the base plate 20 is pressed by the second mold 50 so that the base plate 20 surrounds the first mold 40. Base plate bending step (S230) to be bent in a cylindrical shape along; And removing the first mold 40 disposed in the bent base plate 20, and coupling the both ends of the base plate 20 to form a pipe connector 100 (S240). Provided is a pipe connector manufacturing method comprising a.

Description

A pipe connector and method for manufacturing the same

The present invention relates to a pipe connector and a pipe connector manufacturing method, and more particularly, to a pipe connector and a pipe connector manufacturing method disposed between two pipes to fasten each pipe.

1 shows a configuration in which a pipe connector according to the prior art is mounted on an aerial platform, and FIG. 2 illustrates a method of manufacturing a pipe connector according to the prior art.

Generally, the pipe connector 4 is fastened between the pipes 2 and 3 installed to support the aerial platform 1, the formwork support, and the temporary frame at the construction site, so that each pipe 2, Subsidiary materials used to fasten and fix 3).

In the conventional pipe connector 2, as shown in FIG. 2, a press ring or the like is placed in the longitudinal center portion of the connector body 4a with a fixing ring 5 having a diameter larger than that of the connector body 4a. Bending the opposite sides by the two to form a projection (5b) so that the pipe (2,3) is easily caught and at the same time by pressing the both sides so that the fixing ring (5) can be fixed on the connector body (4a) It is made in such a way as to form the point 5a.

However, in the case of the conventional pipe connector 4, as described above in the manufacturing process, in order to fix the fixing ring 5 to the connector body (4a), each process consisting of a multi-step process, such as a bending process and a press-in point pressing process is individually Since it is performed as a result of manufacturing inconvenience, there was a disadvantage that the productivity is significantly reduced.

Furthermore, the load of the pipe 2 fastened to the upper side of the pipe connector 4 and the load of the members additionally connected to the pipe 2 are applied directly to the fixing ring 5, the fixing ring 5 ) And the connector body (4a) is supported only by the pressing force (5a) and the pressing force according to the bending, so that the load applied to the pipe (2) is excessive or strong to the pipe (2, 3) and the pipe connector (2) When a shock is applied or the product is aged, the fixing ring 5 is separated from the connection main body 4a and the connection state between the pipes 2 and 3 is separated, leading to a safety accident.

Korean Laid-Open Patent Publication No. 10-2006-0020294 (2006.03.06), the connection structure for connecting the vertical member and the horizontal member at the same time and the system copper bar using the same

The present invention was created in order to solve the above-mentioned problems, the support protrusion to be bent to protrude by bending a part of the body in the process of manufacturing without providing a separate member for supporting the end portion of each pipe to be fastened The present invention relates to a pipe connector and a pipe connector manufacturing method in which a ring is formed to simplify the manufacturing process and ensure product stability.

In addition, while another object of the present invention is formed in a structure that simplifies the manufacturing process to increase the production efficiency, the overall size and external shape is formed similar to the conventional pipe connector, can be used in combination with the pre-produced pipe connector It is to provide a connector and a pipe connector manufacturing method.

According to a feature of the present invention, the first pipe inserting portion 110 and the second pipe inserting portion 120 is formed in a cylindrical shape on both sides, respectively, the first pipe inserting portion 110 and the second pipe inserting portion Between the periphery of 120, the stepped a 131 which supports the edge part 62 of the said 1st pipe 60 on both sides of the longitudinal direction L, and the edge part 72 of the 2nd pipe 70 are In the method for manufacturing a pipe connector, which is bent outwardly so that the supporting step b 132 is formed, and the protruding support protrusion ring 130 is formed, the disc 10 is cut to bend the pipe connector 100. A base plate forming step of forming a base plate 20 for molding (S210); The center portion of the base plate 20 is bent to protrude outwards, the support projection ring 130 is formed with stepped a (131) and stepped b (132) on both sides of the longitudinal direction (L), respectively, the base plate ( Support protrusion ring forming step (S220) to be formed in a shape extending in the width direction (W) in the central portion of the 20; The first mold 40 has a cylindrical shape and the outer peripheral surface has a shape corresponding to the lower surface of the base plate 20 and the second mold having a shape corresponding to the upper surface of the base plate 20 The base plate 20 is disposed between the 50, and the upper portion of the base plate 20 is pressed by the second mold 50 so that the base plate 20 surrounds the first mold 40. Base plate bending step (S230) to be bent in a cylindrical shape along; And removing the first mold 40 disposed in the bent base plate 20, and coupling the both ends of the base plate 20 to form a pipe connector 100 (S240). Provided is a pipe connector manufacturing method comprising a.

As described above, according to the present invention,

First, the overall size and external shape is similar to the conventional pipe connector, but protruding by bending a part of the body in the process of manufacturing without providing a separate member for supporting the end portion of each pipe (mounted support ring) Forming so as to simplify the manufacturing process to improve the manufacturing efficiency can significantly reduce the manufacturing cost.

Secondly, unlike the conventional pipe connector, a separate member is not fixedly mounted to the body, and the support protrusion ring supporting the end of each pipe is integrally formed with the body, so that the support protrusion ring may be subjected to excessive load or strong impact. Since it is not detached from the body, safety accident can be prevented in advance.

Third, while the structure is simplified to increase the production efficiency by simplifying the manufacturing process, the overall size and external shape is formed similar to the conventional pipe connector, can be used in combination with the conventional pipe connector, the user's convenience is maximized, There is an advantage in that the existing pipe joints can be recycled.

Fourthly, in forming the pipe connector, a plurality of first fitting protrusions and first fitting grooves are alternately formed at one end of the base plate, respectively, and the second fitting grooves and the first fitting protrusions at which the first fitting protrusions are fitted. A plurality of second fitting protrusions alternately fitted to the fitting grooves are formed, respectively, and the first fitting protrusion is fitted into the second fitting groove while the base plate is bent, and the second fitting protrusion is fitted to the first fitting groove. Since both ends of the base plate can be fastened to each other to form the pipe connector by fitting, it is possible to more easily fasten both ends of the base plate as compared to the welding and fastening method, thereby further reducing the manufacturing cost. have.

Fifth, when it is necessary to form a fastening groove for mutual fastening with each of the pipes to be connected to both sides of the pipe connector, in the process of cutting the base plate for bending the pipe connector to be cut together Therefore, compared to the case of cutting the fastening groove in the state bent in a cylindrical shape, there is an advantage that the cutting process is easier and can be processed into a precise groove shape.

1 is a perspective view and a partially enlarged view showing a configuration in which the pipe connector according to the prior art mounted on the aerial platform,
2 is an exploded perspective view and a perspective view showing a method of manufacturing a pipe connector according to the prior art,
3 is a perspective view showing an external configuration of a pipe connector according to a preferred embodiment of the present invention,
4 is a cross-sectional view showing the internal structure of the pipe connector according to a preferred embodiment of the present invention and the configuration of mutual coupling with the first pipe and the second pipe,
5 is a flow chart showing the flow of the pipe connector manufacturing method according to a preferred embodiment of the present invention,
6 to 9a are a perspective view and a cross-sectional view for explaining each step of the pipe connector manufacturing method according to a preferred embodiment of the present invention.

The objects, features and advantages of the present invention will become more apparent from the following detailed description. Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

Before describing the embodiments of the present invention, some terms will be described below. The first pipe 60 and the second pipe 70, which will be described below, are used as construction objects in connection with each other to be fastened by the pipe connector 100 according to the preferred embodiment of the present invention. Including pipes installed to support the aerial work platform, formwork support and temporary frame, etc., if both sides of the pipe connector 100 can be inserted into any pipe can be included in the object.

In addition, the length direction (L) and the width direction (W) in the preferred embodiment of the present invention in order to more clearly explain the position where each member is formed or arranged as a direction indicator arbitrarily designated in the length and width necessarily It is not indicated by specifying the direction.

Hereinafter, with reference to Figures 3 and 4 will be described the configuration and function of the pipe connector 100 according to a preferred embodiment of the present invention.

3 and 4, the pipe connector 100 is disposed between the first pipe 60 and the second pipe 70 to connect the first pipe 60 and the second pipe 70. As a connecting member for interconnecting, it is formed in a cylindrical shape having an inner through-hole 101, one side is formed with an outer diameter corresponding to the size of the inner diameter 61 of the first pipe 60 is the first pipe ( The first pipe insertion unit 110 is inserted into the inner diameter 61 of the 60 and is fitted, and the other side is formed with an outer diameter corresponding to the size of the inner diameter 71 of the second pipe 70. Second pipe inserting portions 120 are inserted into and inserted into the inner diameter 71 of the second pipe 70, respectively.

In addition, a first pipe 60 inserted into the first pipe insertion unit 110 on both sides of the longitudinal direction L around the second pipe insertion unit 120 and the second pipe insertion unit 120. Stepped a (131) for supporting the end of the (62) and stepped b (132) for supporting the end 72 of the second pipe 70 inserted into the second pipe insertion portion 120 is formed, respectively Bend outwardly so as to protrude the support protrusion ring 130 is formed integrally.

Here, in the drawing, since the first pipe 60 and the second pipe 70 are pipes having the same diameter, the outer diameters of the first pipe insertion part 110 and the second pipe insertion part 120 are the same in size. For example, the present invention is not limited thereto, and when the inner diameters of the first pipe 60 and the second pipe 70 are different from each other, the first pipe is inserted into sizes corresponding to the inner diameters of the respective pipes 60 and 70. By forming outer diameters of the part 110 and the second pipe insertion part 120, the pipes 60 and 70 may be interconnected in the same manner.

At this time, when the size of the outer diameter of the first pipe 60 and the second pipe 70 is increased, the support protrusion ring to sufficiently support the end (62, 72) of each pipe (60, 70) It is preferable that the protruding outwards of the stepped a 131 and the stepped b 132 formed on both sides of the 130 are increased to be in contact with the entire areas of the end portions 62 and 72.

In addition, fixing ends (not shown) of the first pipe 60 and fixing protrusions (not shown) of the first pipe inserting part 110 and the second pipe inserting part 120 are provided at end portions of the first pipe inserting part 110 and the second pipe inserting part 120. The coupling grooves 102 may be formed to prevent the pipes 60 and 70 connected to the pipe connector 100 from being separated from each other in the longitudinal direction L, respectively.

In addition, the length D1 extending in the longitudinal direction L of the support protrusion ring 130 is the same as the length D2 extending in the longitudinal direction of the fixing ring 5 of the pipe connector 4 according to the prior art. It is preferably formed in size.

As such, the overall size and external shape including the length D1 of the support protrusion ring 130 has a shape corresponding to that of the conventional pipe connector 4, so that the size of the pipe connector fastened like an aerial platform is the same. When it is installed as a subsidiary material on a member that can maintain the horizontal level, it can be used in combination with a conventionally manufactured pipe connector, which can maximize user convenience and increase the utilization of the existing pipe connector. Can be implemented.

Next, a pipe connector manufacturing method for manufacturing the pipe connector 100 according to the preferred embodiment of the present invention described above with reference to FIGS. 5 to 9b will be described.

As shown in Figure 5, the pipe connector manufacturing method according to a preferred embodiment of the present invention, the base plate forming step (S210), the support protrusion ring forming step (S220), the base plate bending step (S230) and the pipe connector forming Step S240 is included.

First, the base plate forming step (S210) is a step of forming a base plate 20 for bending the pipe connector 100 by cutting the original plate 10 as shown in FIG. 6. Disc 10 is a flat plate-shaped raw material prepared for manufacturing the pipe connector 100 according to a preferred embodiment of the present invention, according to the size of the cutting device and the type of continuous manufacturing process is cut in two rows as shown in FIG. It can have a width that can be cut simultaneously in units of one or three rows, the base plate 20 means a plate cut in individual units to form one pipe connector (100).

 Here, as described above, in the pipe connector 100 according to the preferred embodiment of the present invention at the end of the first pipe inserting unit 110 and the second pipe inserting unit 120 of the first pipe 60 Fixing protrusions (not shown) and fixing protrusions (not shown) of the second pipe 70 are inserted and mounted so that each pipe (60, 70) connected to the pipe connector 100 is not separated in the longitudinal direction (L) Fastening grooves 102 may be formed to each.

In the base plate forming step (S210) according to a preferred embodiment of the present invention, in cutting the base plate 20, by cutting the fastening groove 102 together with a fastening groove (bending in a cylindrical shape) Compared to the case of cutting 102, the cutting process is easier and can realize the effect that can be processed into a precise groove shape.

In addition, in the base plate forming step (S210), the base plate 20 to be fastened to both ends of the base plate 20 to form a pipe connector 100 in the pipe connector forming step (S240). A plurality of first fitting protrusions 24 and the first fitting grooves 23 are alternately formed at one end of the width direction W in the width direction W, and the first fitting protrusions 24 are formed at the other end of the width direction W. The disc 10 is cut and processed so that a plurality of second fitting protrusions 22 to be fitted to the first fitting grooves 23 are alternately formed.

The support protrusion ring forming step (S220), as shown in Figure 7 by pressing through a press working process to form a support protrusion ring 130 in the pipe connector 100 according to a preferred embodiment of the present invention As a step of protruding and bending the support protrusion ring 130, the center portion of the base plate 20 is bent to protrude outward, so that the stepped jaw a (131) and the stepped b (132) on both sides of the longitudinal direction (L) Each of the formed support protrusion ring 130 is press-processed to be formed in a shape extending in the width direction (W) in the center portion of the base plate 20.

Here, when the sizes of the inner diameters of the first pipe 60 and the second pipe 70 are different, the first pipe inserting portion 110 and the size corresponding to the inner diameters of the respective pipes 60 and 70, respectively. When the outer diameter of the second pipe inserting portion 120 is formed and the sizes of the outer diameters of the first pipe 60 and the second pipe 70 are increased, the ends 62 and 72 of the respective pipes 60 and 70 are increased. ) To protrude outwardly from the stepped a 131 and the stepped b 132 respectively formed on both sides of the support protrusion ring 130 so as to sufficiently support the entirety of the ends 62 and 72. It is preferable to be provided to be in contact with the area.

In addition, the press working method so as to protrude outward from the plate material is a processing method generally applied in the technical field to which the present invention, so the description for press working to form the support protrusion ring 130 will be omitted.

The base plate bending step (S230) is, as shown in Figure 8a and 8b, the base plate 20 through which the support protrusion ring 130 is formed through the support protrusion ring forming step (S220) through the bending process cylindrical The first mold 40 having a cylindrical shape and having an outer circumferential surface corresponding to the lower surface of the base plate 20, and a lower surface of the base plate 20 are bent in a cylindrical shape. The base plate 20 is disposed between the second molds 50 formed in a corresponding shape, and the base plate 20 is rotated along the circumference of the first mold 40. ) By pressing the upper portion of the second mold 50 so that the base plate 20 is bent along the circumferential surface of the first mold 40.

Here, in the center of the outer circumferential surface of the first mold 40, a mold protrusion ring 41 corresponding to the shape of the bottom surface of the support protrusion ring 130 of the base plate 20 is formed along the circumference of the first mold 40. Protrudingly formed, protruding ring insertion groove 52 corresponding to the shape of the upper surface of the support protrusion ring 130 of the base plate 20 is formed in the concave groove in the center of the lower surface of the second mold (50). . Therefore, the support protrusion ring 130 formed on the base plate 20 is between the mold protrusion ring 41 and the protruding ring insertion groove 52 even when the support protrusion ring 130 is pressed between the first mold 40 and the second mold 50. Since it is pressurized in the outwardly protruding shape can be bent in a cylindrical shape without bending.

In addition, in the base plate bending step (S230), as shown in FIG. 8B, the base plate 20 is bent until just before the base plate 20 is bent in a circular shape along the circumferential surface of the first mold 40. Do this.

In addition, a round groove 51 having a curvature corresponding to an outer circumferential surface of the first mold 40 is formed in the lower portion of the second mold 50 to be concave, and disposed on the upper portion of the first mold 40. The base plate 20 is bent more smoothly by pressing the surface contact with the upper surface of the base plate 20.

The pipe connector forming step (S240), as shown in Figure 9a and 9b through the base plate bending step (S230) through the two ends of the cylindrical plate bent in a cylindrical shape mutually connected pipe connectors As a step of forming 100, the first mold 40 disposed in the bent base plate 20 is removed from the inside of the base plate 20, and both ends of the base plate 20 are fastened to each other. To form a pipe connector 100.

Here, in removing the first mold 40 from the inside of the base plate 20, as described above in the base plate bending step (S230), that is, just before bending in a completely circular shape, that is, of the base plate 20 It is bent until both ends are in contact with each other. In the case of a general metal plate, there is a slight difference depending on the material, but it has a predetermined elastic force.

Accordingly, the base plate 20 is removed by removing the pressing force spreading to the outside after removing the first mold 40 in a state in which an inner space capable of removing the first mold 40 is opened by opening both ends to the outside. It is possible to return to the original state by the elastic force of the).

In addition, in fastening both ends of the base plate 20, the both ends may be mutually coupled through a fastening method such as general welding, etc., as shown in FIG. 9A through the base plate forming step (S210). Easier than the welding method by using the first fitting protrusions 24, the first fitting grooves 23, the second fitting protrusions 22, and the second fitting grooves 21 formed on both ends of the base plate 20, respectively. Both ends can be fastened, which can further reduce the manufacturing cost.

By the respective configurations and functions of the pipe connector and the pipe connector manufacturing method according to the preferred embodiment of the present invention as described above, the overall size and external shape is similar to the conventional pipe connector 4, the first pipe 60 And forming a support protrusion ring 130 to bend and protrude a part of the main body in the process of manufacturing the portion in which the end portions 62 and 72 of the second pipe 70 are supported by not forming a separate member. Manufacturing efficiency can be improved by simplifying the process, which can significantly reduce manufacturing costs.

In addition, unlike the conventional pipe connector (4), a separate member is not a structure that is fixedly mounted to the body, the support protrusion ring 130 is supported by the end 62, 72 of each pipe (60, 70) is the body Since it is formed integrally with the support protrusion ring 130 is not separated from the body can prevent accidents in advance.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

10 disc, 20 base plate
21 ... 2nd groove 22..2nd projection
23 ... 1st fit groove 24 ... 1st fit protrusion
40.First mold 41 ... Extrusion mold
50 ... 2nd mold 51 ... Round groove
52 ... stone insertion groove 60 ... 1st pipe
70 ... 2nd pipe 100 ... Pipe end connection
101.Inside through hole 102 ... Tightening groove
110 ... first pipe insert 120 ... second pipe insert
130 ... Extrusion support 131 ... Step a
132 ... step b
S210 ... base plate forming step S220 ... support protrusion ring forming step
S230 ... Base plate forming step S240 ... Pipe connector forming step

Claims (3)

Is formed in a cylindrical shape, the first pipe inserting portion 110 and the second pipe inserting portion 120 are formed on both sides, respectively, the circumference between the first pipe inserting portion 110 and the second pipe inserting portion 120 Stepped a (131) for supporting the end 62 of the first pipe 60, and stepped b (132) for supporting the end 72 of the second pipe (70) on both sides of the longitudinal direction (L) In the method for manufacturing a pipe connector is formed to be bent to the outside to form a protruding support protrusion ring 130, respectively,
A base plate forming step (S210) of forming a base plate 20 for bending the pipe connector 100 by cutting the original plate 10;
The center portion of the base plate 20 is bent to protrude outwards, the support projection ring 130 is formed with stepped a (131) and stepped b (132) on both sides of the longitudinal direction (L), respectively, the base plate ( Support protrusion ring forming step (S220) to be formed in a shape extending in the width direction (W) in the central portion of the 20;
The first mold 40 has a cylindrical shape and the outer peripheral surface has a shape corresponding to the lower surface of the base plate 20 and the second mold having a shape corresponding to the upper surface of the base plate 20 The base plate 20 is disposed between the 50, and the upper portion of the base plate 20 is pressed by the second mold 50 so that the base plate 20 surrounds the first mold 40. Base plate bending step (S230) to be bent in a cylindrical shape along; And
A pipe connector forming step (S240) of removing the first mold 40 disposed inside the bent base plate 20 and coupling the both ends of the base plate 20 to form a pipe connector 100; Pipe connector manufacturing method comprising a.
The method of claim 1,
In the base plate forming step S210, a plurality of first fitting protrusions 24 and first fitting grooves 23 are alternately formed at one end of the width direction W of the base plate 20, respectively, in the width direction. At the other end of the (W), a plurality of second fitting protrusions 22 into which the first fitting protrusions 24 are fitted and a plurality of second fitting protrusions 22 fitting into the first fitting grooves 23 are alternately provided. Cutting the disc 10 to be formed,
In the pipe connector forming step (S240), the first fitting protrusion 24 is fitted into the second fitting groove 21 while the base plate 20 is bent, and the second fitting protrusion 22 is fitted. Pipe fittings manufacturing method characterized in that to form a pipe connector 100 by fastening the both ends of the base plate 20 while being fitted in the first fitting groove (23).
In the pipe connector disposed between the first pipe 60 and the second pipe 70 to interconnect the first pipe 60 and the second pipe 70,
Is formed in a cylindrical shape formed inside the inner hole 101,
One side is formed with a first pipe insertion portion 110 is inserted into the inner diameter 61 of the first pipe 60 and fitted,
On the other side of the second pipe 70 is inserted into the inner pipe 71 of the second pipe insertion portion 120 is formed, the fitting is formed,
Around the circumference between the first pipe inserting portion 110 and the second pipe inserting portion 120 of the first pipe 60 is inserted into the first pipe inserting portion 110 on both sides of the longitudinal direction (L) The stepped portion 131 supporting the end 62 and the stepped portion 132 supporting the end portion 72 of the second pipe 70 inserted into the second pipe inserting portion 120 are formed outside. Pipe connector, characterized in that the bent and protruding support protrusion ring 130 is formed.
KR1020120028901A 2012-03-21 2012-03-21 A pipe connector and method for manufacturing the same KR20130107085A (en)

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Application Number Priority Date Filing Date Title
KR1020120028901A KR20130107085A (en) 2012-03-21 2012-03-21 A pipe connector and method for manufacturing the same

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Application Number Priority Date Filing Date Title
KR1020120028901A KR20130107085A (en) 2012-03-21 2012-03-21 A pipe connector and method for manufacturing the same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102181354B1 (en) * 2019-12-13 2020-11-20 주식회사 정상산업 Prefabricated pipe device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102181354B1 (en) * 2019-12-13 2020-11-20 주식회사 정상산업 Prefabricated pipe device

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