KR20130049957A

KR20130049957A - Pipe connecting apparatus of one-touch type

Info

Publication number: KR20130049957A
Application number: KR1020110115035A
Authority: KR
Inventors: 김성훈
Original assignee: 김성훈; 주식회사 초성; 정석희
Priority date: 2011-11-07
Filing date: 2011-11-07
Publication date: 2013-05-15

Abstract

The present invention relates to a one-touch pipe connecting device, which solves the problems of the existing pipe connecting device fixed to the pipe by the bolt, that is, weakening of the fixing force due to loosening of the bolt, construction inconvenience, etc., It is to provide better water tightness and fixing force when connecting pipes, and to ensure convenient assembly process and product miniaturization. To this end, the present invention, the first body member (10A) is inserted into the pipe (1), the first body member 10A is disposed opposite to the center of the first body member (10A) to ensure the watertightness and , The support member 30A for pressing the first watertight member 20A in a linear direction, the fastening member 40A coupled to the first body member 10A, and the fastening member 40A inserted into the pressure spring ( It consists of a push member (50B) moved to the outside by the 50A-1), and the contact member (60A) is installed on the push member (50B) is tightly fixed to the outer peripheral surface of the pipe (1) during the movement of the push member (50B) It is characterized by.

Description

[0001] PIPE CONNECTING APPARATUS OF ONE-TOUCH TYPE [0002]

The present invention relates to a pipe connecting device, and more particularly, to a one-touch pipe connecting device that can easily perform a connection between pipes, while ensuring excellent watertightness and fixing force and a convenient assembly process.

In general, in order to guide the fluid in a certain path, pipes and pipe fittings of various sizes and shapes are used, and a welding method showing excellent durability and watertightness for the connection part is mainly used as a connection method according to a combination thereof.

By the way, the welding method as described above is required to secure a certain space in the welding work for connecting the pipes, and there is a problem that the repair work is very inconvenient in the event of a defect even after the joint between the pipes due to welding, for example between the pipes If the connection is made through the welding method, it is necessary to secure the working space due to the welding part to be made along the outer circumference of the pipe. Or reinstallation, there is a problem that it is very difficult to separate and reinstall the pressure wheel between the pipes, and when connecting pipes of different sizes according to the flange, welded joint, etc., expensive pipe joints must be separately provided. Republic of Korea Patent No. 10-0899461 (hereinafter referred to as 'registered patent 1' ) And Patent Registration No. 10-0927198 has invented a bar No. (hereinafter referred to as "Patent 2").

By the way, the pipe connecting device of the Patents 1 and 2 is fixed to the pipe by the tightening of the bolts exposed to the outside, when the impact is applied to the bolts when the loosening occurs, the watertightness and fixing force in the connection between the pipes On the other hand, as the process is cumbersome and time-consuming as the process of firmly joining a plurality of bolts is essential, the present applicant has registered Korean Patent No. 10-0977308 (hereinafter referred to as' Patent 3). '), But various aspects such as reducing the size of the product to reduce the material while ensuring a better watertightness or convenient assembly process is still required.

The present invention has been made to solve the above-mentioned problems of the prior art, while eliminating the fixing structure by bolts as much as possible, and can easily perform the connection between the pipes, yet with excellent water tightness and fastening force, convenient assembly process, product of It is an object of the present invention to provide a one-touch piping connection device having a structure for ensuring a size reduction and the like.

In order to achieve the above object, the present invention, the pipe has a size that can be inserted, the stepped portion formed in the horizontal direction on both sides of the inner peripheral surface relative to the center portion, the first fitting groove disposed in the direction perpendicular to the stepped jaw, A first body member sequentially provided with spirals formed horizontally from the first fitting groove; The pressing protrusion disposed along the first fitting groove, the seating piece integrally extending from the pressing protrusion and disposed on the stepped portion, and the elastic piece being inclined from the end of the seating piece to the center of the first body member to be in close contact with the outer peripheral surface of the pipe. A first watertight member provided; A ring-shaped support member having a pressing groove in close contact with the pressing protrusion; A fastening member having a shape in which the end presses the support member while being helically coupled to the first body member, the inclined surface having an inner diameter extending along a pipe insertion direction, and a locking jaw formed at one end of the inclined surface; A push member disposed between the second protruding rib provided at the end and the side of the fastening member or the locking jaw so as to be exposed to the outside, and a part of which is inserted into the fastening member; The contact member is installed at a predetermined interval on the side of the push member located on the inclined surface and the teeth are provided, when the pipe is inserted into the first body member, the contact member is in close contact with the outer peripheral surface of the tooth by the restoring force of the pressure spring; Cutting holes are formed at predetermined intervals along the longitudinal direction from the opposite end of the second protruding rib of the push member.

As described above, the one-touch piping connection device according to the present invention enables a robust connection between pipes by a simple process of inserting pipes, and can provide more excellent watertightness, size reduction, and the like compared to the existing technology. As a result, the construction and maintenance work periods can be significantly shortened, leaks can be prevented in advance, and products can be miniaturized.

In addition, since each component has an injection moldable structure, not only metal but also plastic synthetic resin can be used as a product material, thereby enabling mass production of excellent products at low manufacturing costs.

1 is an exploded perspective view showing a one-touch pipe connection apparatus according to the present invention;
2 to 5 are cross-sectional views showing a deformable embodiment of the one-touch piping connection device according to the present invention.
Figure 6 is a sectional view showing another embodiment of the one-touch piping connection device according to the present invention.
Figure 7 is a cross-sectional view showing the structure of the contact member fixed by the rubber band of the one-touch piping connection device according to the present invention.
8 is a perspective view showing a structure in which the bracket is installed in the one-touch piping connection device of the present invention.
9 to 11 is a view showing an embodiment in which the separation prevention structure between the push member and the fastening member of the one-touch piping connection device of the present invention is applied.

Hereinafter, the same components will be described with reference to the drawings the one-touch piping connection device according to the present invention with the same reference numerals.

1 is a view showing a one-touch piping connection device according to the present invention.

One embodiment of the one-touch piping connection device according to the present invention is arranged to face the first body member 10A and 10A to the first body member 10A into which the pipe 1 is inserted to ensure watertightness. The first watertight member 20A, the support member 30A for pressing the first watertight member 20A in a linear direction, the fastening member 40A that is helically coupled to the first body member 10A, and the fastening member ( The push member 50B inserted into the 40A and moved outward by the pressure spring 50A-1 and the push member 50B are installed in the push member 50B to be tightly fixed to the outer peripheral surface of the pipe 1 when the push member 50B moves. It consists of a contact member 60A.

The first body member 10A has a size into which the pipe 1 can be inserted and is formed in a horizontal direction on both sides of the inner circumferential surface with respect to the center portion, and in a direction perpendicular to the step 10A-1. The first watertight member described in detail below through a structure in which the first fitting groove 10A-2 and the spiral 10A-3 formed horizontally from the first fitting groove 10A-2 are sequentially provided. 20A, the support member 30A, the fastening member 40A, the push member 50B and the contact member 60A can be accommodated or coupled thereto to connect the two pipes 1.

The structure of the first body member 10A is not only straight as shown in the figure, but also elbow type, T type, and branch type for directing connection between pipes. It can also be applied to the form.

In addition, as shown in FIG. 5, the linear first body member 10A has a structure divided into two along the vertical direction with respect to the center portion, and both sides of each of the separated first body members 10A are inserted. By installing the corrugated pipe body 70A embedded in the injection method, it becomes possible to provide a pipe connecting device that is very convenient to change the direction, where the corrugated pipe body 70A is embedded in the first body member 10A It is preferable to form holes or uneven portions to prevent the corrugated pipe 70A from being separated. Since the structure of the corrugated pipe 70A described above is known in the art, detailed description thereof will be omitted.

The first watertight member 20A is integrally extended from the crimping protrusion 20A-1 and the crimping protrusion 20A-1 disposed along the first fitting groove 10A-2 to the step 10A-1. The seating piece 20A-2 arrange | positioned and the elastic piece 20A-3 extended inclined from the end of the seating piece 20A-2 to the center side of the 1st main body member 10A, and adhere | attached along the outer peripheral surface of the piping 1 are provided with it. When the pipe 1 is inserted, the elastic piece 20A-3 bends in the same direction as the rubber packing, and the elastic piece is in close contact with the pipe 1, and when the hydraulic pressure acts in the direction away from the pipe 1, the elastic piece The function of preventing (20A-3) from leaking out ensures watertightness in the pipe-to-pipe connection for fluid transfer.

For reference, the first watertight member 20A may be fixed to the first body member 10A in the conventional fusion method and then further compressed by the support member 30A so as to maintain a more firmly fixed state.

The support member 30A has a ring shape in which a pressing groove 30A-1 is formed to be in close contact with the pressing protrusion 20A-1 of the first watertight member 20A by using a material such as plastic or metal. When the first body member 10A and the fastening member 40A are coupled to each other, the crimping protrusion 20A-1 comes into close contact with the pressing groove 30A-1, and thus the stepped portion 10A-1 and the seating piece 20A-2 are attached. The micro-leakage is prevented from occurring between the gaps, and when the first body member 10A and the fastening member 40A are coupled, frictional force is applied to the first watertight member 20A by rotation of the end of the fastening member 40A. It is possible to simply press firmly in the linear direction the first watertight member 20A so as to exclude a condition that the first watertight member 20A is physically damaged.

The fastening member 40A has a shape in which the end presses the support member 30A while being helically coupled to the first body member 10A, and the inclined surface 40A-1 having an inner diameter extending along the insertion direction of the pipe 1. ), And has a structure in which a locking step (40A-2) is formed at one end of the inclined surface (40A-1).

As a result, the fastening member 40A prevents the first watertight member 20A and the support member 30A from being separated from the first body member 10A, and together with the push member 50B and the contact member 60A. The one-touch connection of the pipe (1) is possible, where the locking jaw (40A-2) is located in the smallest diameter of the inclined surface (40A-1) as shown in the figure.

2 and 3, the push member 50B is inserted into the fastening member 40A in a shape in which the pipe 1 is inserted into the fastening member 40A together with the fastening member 40A, and is exposed to the outside. The second protruding rib 50A-3 is provided at the end thereof, and the pressure spring 50A-1 is provided between the second protruding rib 50A-3 and the side of the fastening member 40A or the locking jaw 40A-2. Since the movement space of the push member 50B is also utilized as a space for the arrangement of the pressure spring 50A-1, the pressure spring 50A-1 is positioned inside the fastening member 40A. The overall length of the present invention can be reduced, and the second protruding ribs 50A-3 also perform a function for easily performing the installation and disassembly thereof, such as pressing or pulling the entire push member 50B. .

The contact member 60A is installed at regular intervals on the side of the push member 50B located on the inclined surface 40A-1, and the teeth 60A-1 are provided, so that the pipe 1 is the first body member 10A. When inserted into the tooth (60A-1) is in close contact with the outer peripheral surface of the pipe (1) by the restoring force of the pressure spring (50A-1).

On the other hand, another embodiment of the one-touch piping connection device according to the present invention as shown in FIG. 6 is disposed opposite the body member 10B and the center of the body member 10B into which the pipe 1 is inserted to ensure watertightness. The packing member 20B, the push member 50B inserted into the body member 10B and moved outward by the pressure spring 50A-1, and the push member 50B to be installed in the push member 50B. It consists of a close contact member (60A) that is tightly fixed to the outer peripheral surface of the pipe (1) during movement.

The trunk member 10B has a depression 10B-1 in which the inner circumferential surface is recessed in both directions from the center and an inclined surface 40A-1 in which the inner diameter thereof extends in the insertion direction of the pipe 1, and the inclined surface 40A-1. It has a structure in which the locking step (40A-2) is formed at one end.

The body member 10B has a structure in which the recess 10B-1 for installing the packing member 20B is provided in addition to the shape in which the first body member 10A and the fastening member 40A of the previous embodiment are integrated. Therefore, the assembly process of the first body member 10A and the fastening member 40A is omitted.

The packing member 20B is a ring-shaped rubber packing that is bent by an external force and inserted into the trunk member 10B and tightly adhered to the inside of the recess 10B-1 by an elastic force. When applied, it is in close contact with the pipe 1 to provide watertightness.

In the embodiment according to the present invention, both the push member 50B and the contact member 60A are omitted for the same reason.

8 to 11, the first body member 10A has a shape that can be fastened to a bracket fixed to a conventional wall, and the second protruding rib 50A of the push member 50B in the described embodiment. -3) The cutting hole 50A-4 is formed at a predetermined interval along the longitudinal direction from the opposite end to make the portion in which the cutting hole 50A-4 of the push member 50B is formed has a bendability. When the push member 50B is pushed toward the first body member 10A or the trunk member 10B in a state where the contact member 60A is inserted into the 50B in advance, the contact member 60A is attached to the latching jaw 40A-2. Even if) is in contact with the push member (50B) is a part to be bent so that the contact member (60A) is located on the inclined surface (40A-1).

In addition, referring to the installation method of the contact member (60A) according to an embodiment of the present invention as described with reference to the drawings, the fitting hole (50A-5) in which the contact member (60A) is fixed to the push member (50B) ), And the contact member (60A) is inserted into the fitting hole (50A-5), but when the pipe (1) is inserted, the tooth (60A-1) is piped by the restoring force of the pressure spring (50A-1) (1) The protruding piece 60A-2 supported by the inclined surface 40A-1 is provided in the close contact member 60A so as to be in close contact with the outer circumferential surface, where the close contact member 60A is fitted into the fitting hole 50A-5. It is preferable that the length or shape is taken into consideration together with the fitting holes 50A-5 so as to be inserted only in a predetermined direction, which means that the teeth 60A-1 of the contact member 60A are inclined in the pipe 1 insertion direction. The tooth direction 60A-1 is reversed in correspondence with the installation direction of the contact member 60A so that the degree of close contact with the pipe 1 can be improved. This is to prevent the assembly process.

Preferably, the height of the contact member 60A gradually increases in the direction of the inclined surface 40A-1 in which the diameter of the fastening member 40A extends, and the inclined surface 40A-1 has a protrusion piece 60A-2. The teeth 60A- of the contact member 60A and the inclined surface 40A-11 (surface formed in succession to the catching jaw 40A-2) and the contact member 60A which make a part fit between the fastening member 40A and the piping 1 1) is composed of a steep inclined surface (40A-12) that provides a space to be rotated in the outward direction of the fitting hole (50A-5) to be in close contact with the pipe (1), the push member (50B) is the first body member (10A) When pressed toward the side, the teeth 60A-1 of the contact member 60A are located in the space between the steep slope 40A-12 and the pipe 1 so that the pipe 1 can be separated and the push member is reversed. When 50B is moved outward, the teeth 60A-1 are forced into the pipe 1 while the protruding pieces 60A-2 of the contact member 60 are interposed between the mildly inclined surface 40A-11 and the pipe 1. To stress) So that the pipe (1) is not separated.

In addition, in order to minimize the phenomenon in which the contact member 60A is separated from the fitting hole 50A-5 of the push member 50B, the thickness of the push member 50B around the outside of the fitting hole 50A-5 is protruded. 60A-2) may be reinforced within a range lower than the height to increase the contact area between the contact member (60A) and the fitting hole (50A-5), as shown in Figure 7 seating groove (60A) in the projection (60A-2) -4) may be fixed by a ring-shaped rubber band (60A-3) is installed along the seating groove (60A-4) 60A is installed in a circular shape in the push member (50B), such a rubber band 60A-3 is variable in size with the forming portion of the cutting hole 50A-4 of the push member 50B by the elastic force so as not to interfere with the degree of contact of the contact member 60A to the inclined surface 40A-1. .

In addition, in the embodiment of the present invention, when the fastening member 40A and the push member 50B are buried in the basement or wall, foreign matter is interposed between the gaps to prevent a problem that the subsequent maintenance work becomes difficult. A cover portion 50A-7 that extends to cover the fastening member 40A or the body member 10B side may be further provided along the end circumference (50A-3).

Furthermore, the separation prevention protrusion 50A-8 is provided on the inner surface of the cover part 50A-7, and the separation prevention protrusion 50A-8 is fitted by an external force so that the push member 50B is within a predetermined range. By forming the stepped portion 40A-3, which is movable, on the outer side of the fastening member 40A or the trunk member 10B, it is possible to prevent the assembly of the pipe connecting device of the present invention to be separated, and the push member 50B. ) Is a long hole 50A-6 between the fitting hole 50A-5 and the second protruding rib 50A-3 of the push member 50B to prevent it from being separated from the fastening member 40A. Holes or grooves) and the movement limiting projections 40A-3 inserted into the long holes 50A-6 in the locking projections 40A-2 of the fastening members 40A to provide the push members 50B. Push portion which moves in a straight direction by allowing the movement limiting projection 40A-3 to be positioned in the long hole 50A-6 when a part is bent and inserted into the fastening member 40A. The ash 50B does not fall out of the fastening member 40A, where the long hole 50A-6 is pushed in the direction of the second protruding rib 50A-3 from the point where the movement limiting projection 40A-3 is located. Preferably, 50B is formed by a distance inserted into the fastening member 40A.

As described herein, the movement limiting protrusion 40A-3 may be positioned at the long hole 50A-6 in the process of being inserted while bending part of the push member 50B to the fastening member 40A. At the same time, the push member 50B is pushed into the fastening member 40A, and at the same time, the movement limiting projection 40A-3 is located in the long hole 50A-6. Fastening member 40a-4 corresponding to the plurality of contact members 60A installed in one-to-one manner and having a reverse inclined surface 40A-4 having an inclined direction opposite to the inclined surface 40A-1 from the locking jaw 40A-2 toward the inclined surface 40A-1. A close contact member provided in the push member 50B by forming a sliding surface 50A-9 formed in the 40A and inclined upwardly from the cutting hole 50A-4 to the long hole 50A-6 side in the push member 50B. The 60A is inserted into the fastening member 40A while being brought into contact with the inclined surface 40A-4, and then disposed along the cutting hole 50A-4. The movement limiting projection is performed by rotating the fastening member 50A or the push member 50B when the copper limiting projection 40A-3, the sliding surface 50A-9 and the long hole 50A-6 are placed in the straight direction. 40A-3 may be more easily positioned in the long hole 50A-6.

A thickness reducing part 50A-41 may be provided in the push member 50B in place of the cutting hole 50A-4 to allow a part of the push member 50B to be bent. As described above, the push member may be provided. An inclined surface 40A-4 corresponding to the plurality of contact members 60A provided in the 50B in a one-to-one manner and having an inclined direction opposite to the inclined surface 40A-1 is inclined from the engaging jaw 40A-2 to the inclined surface 40A-1. When engaging the fastening member 40A formed on the side with the push member 50B provided with such a thickness reducing part 50A-41, the fastening member 50A or the push member 50B is provided without the sliding surface 50A-9. By rotating, the movement limiting projection 40A-3 may be smoothly positioned in the long hole 50A-6.

Alternatively, as shown in FIG. 4, the second protruding rib 50A-3 of the push member 50B is fastened to the fastening member 40A in order to prevent foreign matter from intervening in the fastening member 40A and the push member 50B. It can be surrounded by a so as not to be exposed to the outside, in this case, when the second protruding rib (50A-3) is protected by the fastening member (40A), the second protruding rib (50A-3) when removing the pipe (1) It is preferred to use a separate tool that can pressurize from the outside.

In addition, the pipe (1) is a constant length by having an insertion restriction rib (10A-5) is provided on the inner surface of the first body member (10A) and the body member (10B) to be inserted by the same length on both sides of the pipe (1) By inserting only as much, as a result, the pipes disposed on both sides of the first body member 10A and the trunk member 10B can be fixed by the same length.

Claims

The pipe 1 has an insertable size, and the stepped portion 10A-1 is formed in a horizontal direction on both sides of the inner circumferential surface with respect to the center portion, and the first fitting groove disposed in a direction perpendicular to the stepped portion 10A-1. 10A-2) and a first body member 10A sequentially provided with spirals 10A-3 formed horizontally from the first fitting groove 10A-2;
Compression projection 20A-1 disposed along the first fitting groove 10A-2 and seating piece 20A- extending integrally from the compression projection 20A-1 and disposed on step 10A-1. 2) and a first watertight member having an elastic piece 20A-3 which is inclinedly extended from the end of the seating piece 20A-2 toward the center of the first body member 10A and adheres along the outer circumferential surface of the pipe 1. 20A);
A ring-shaped support member 30A having a pressing groove 30A-1 in close contact with the crimping protrusion 20A-1;
Helix coupled to the first body member (10A) has an inclined end portion pressurizing the support member (30A) and has an inclined surface (40A-1) in which the inner diameter extends along the insertion direction of the pipe (1) and the inclined surface (40A) -1) a fastening member 40A having a locking projection 40A-2 formed at one end thereof;
The pressure spring 50A-1 is disposed between the second protruding rib 50A-3 provided at the end and the fastening member 40A side or the locking step 40A-2 so as to be exposed to the outside, and a part of the fastening member A push member 50B inserted into 40A;
Installed at regular intervals on the side of the push member 50B positioned on the inclined surface 40A-1, and the teeth 60A-1 are provided, and the pipe 1 is pressurized when the pipe 1 is inserted into the first body member 10A. Consists of the contact member (60A) that the tooth (60A-1) is in close contact with the outer peripheral surface of the pipe (1) by the restoring force of the spring (50A-1),
One-touch piping connection device, characterized in that the cutting hole (50A-4) is formed at a predetermined interval along the longitudinal direction from the end opposite the second protruding rib (50A-3) of the push member (50B).

It has a depression 10B-1 in which the inner circumferential surface is recessed in both directions from the center and an inclined surface 40A-1 in which the inner diameter thereof extends in the insertion direction of the pipe 1, and is caught at one end of the inclined surface 40A-1. 40A-2) formed body member 10B;
A ring-shaped packing member 20B that is bent by an external force and inserted into the body member 10B to be in close contact with the recess 10B-1;
The push member 50A-1 is disposed between the second protruding rib 50A-3 provided at the end and the side of the body member 10B so as to be exposed to the outside, and a part of which is inserted into the body member 10B. 50B;
It is installed at a predetermined interval on the side of the push member (50B) located on the inclined surface (40A-1) and the teeth (60A-1) is provided, when the pipe (1) is inserted into the body member (10B) pressure spring ( The contact member (60A) is in close contact with the outer peripheral surface of the pipe (1A) by the restoring force of 50A-1);
One-touch piping connection device, characterized in that the cutting hole (50A-4) is formed at a predetermined interval along the longitudinal direction from the end opposite the second protruding rib (50A-3) of the push member (50B).

The method according to claim 1,
One-touch piping connection device, characterized in that the second protruding rib (50A-3) of the push member (50B) is surrounded by a fastening member (40A) so as not to be exposed to the outside.

The method according to claim 1 or 3,
The first body member 10A is divided into two along the vertical direction with respect to the center portion, and the separated first body member 10A is a corrugated pipe body embedded in each of the first body members 10A having both sides separated. One-touch piping connection device, characterized in that connected by (70A).

The method according to claim 1 or 3,
The push member 50B is provided with a fitting hole 50A-5 to which the adhesive member 60A is fitted, and the teeth 60A-1 are provided in the adhesive member 60A inserted into the fitting hole 50A-5. Is provided with a protruding piece 60A-2 supported by the inclined surface 40A-1 so as to be in close contact with the pipe 1, and the close contact member 60A is gradually in the direction of the inclined surface 40A-1 in which the diameter is extended. The inclined surface 40A-1 has a shape that increases in height, and the inclined surface 40A-1 has a tooth 60A of the mildly inclined surface 40A-11 and the close contact member 60A such that a part of the protruding piece 60A-2 is sandwiched between the pipes 1. One-touch piping connection device, characterized in that consisting of a steep inclined surface (40A-12) for providing a space that -1) is rotated in the outward direction of the fitting hole (50A-5) to be in close contact with the pipe (1).

The method according to claim 5,
One-touch piping connection device, characterized in that the seating groove (60A-4) for fixing the ring-shaped rubber band (60A-3) is formed on the protruding piece (60A-2) of the contact member (60A).

The method according to claim 5,
One-touch piping connection device, characterized in that the outer periphery thickness of the fitting hole (50A-5) of the push member (50B) is reinforced in a range lower than the height of the protrusion (60A-2).

The method according to claim 5,
A long hole 50A-6 is formed between the fitting hole 50A-5 and the second protruding rib 50A-3 of the push member 50B, and the engaging jaw 40A-2 of the fastening member 40A. The one-touch piping connection device, characterized in that is inserted into the long hole (50A-6) is provided with a moving limiting projection (40A-3) for preventing the push member (50B) from being separated.

The method according to claim 8,
An inclined surface 40A-4 corresponding to the plurality of contact members 60A installed on the push member 50B and having an inclined direction opposite to the inclined surface 40A-1 has a locking jaw of the fastening member 40A. The sliding surface 50A-9 is formed from 40A-2 toward the inclined surface 40A-1 and is inclined upwardly from the cutting hole 50A-4 of the push member 50B to the long hole 50A-6. One-touch piping connection device, characterized in that.

The method according to claim 8,
An inclined surface 40A-4 corresponding to the plurality of contact members 60A installed on the push member 50B and having an inclined direction opposite to the inclined surface 40A-1 has a locking jaw of the fastening member 40A. 40A-2 is formed on the inclined surface (40A-1) side, the thickness reducing portion (50A-41) is provided in place of the cutting hole (50A-4) for the end of the push member (50B) to have a warp One-touch piping connection device.