KR20130072705A - Pipe connecting apparatus of one-touch type - Google Patents

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, and the pressure spring ( Compression member 50C moved to the outside by 50A-1) and the first fixing member (60B) is installed on the pressing member (50C) to fix the pipe (1) during the movement of the pressing member (50C) 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). ') To overcome such problems, but there is still a need for various aspects of research, such as to ensure better watertightness or convenient assembly process.

The present invention has been made to solve the above-mentioned problems of the prior art, to eliminate the fixing structure by the bolt as possible, and to easily perform the connection between the pipes, while ensuring a more excellent watertightness and fixing force with a convenient assembly process Its purpose is to provide a one-touch piping connection device having a structure for the purpose.

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 press groove formed in close contact with the crimping protrusion; and having a shape in which the end presses the support member while being helically coupled to the first body member, and has an inclined surface having an inner diameter extending along a pipe insertion direction, and having one side of the inclined surface. A fastening member having a locking jaw formed at an end thereof; A pressing member having a second protruding rib positioned outwardly to enable the pressing spring to be disposed between the second protruding rib and the engaging jaw of the fastening member; One side is fixed to the pressing member and extends to the fastening member side, an elastic portion extending from the extension portion to the inclined surface side, and a projection piece supported by the teeth and the inclined surface in close contact with the pipe integrally with the elastic portion Consists of a fixed part is connected, the first fixing member which is arranged to face each other so as to fix the pipe by the restoring force of the pressure spring when the pipe is inserted into the first body 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;
Figure 2 is a cross-sectional view showing an embodiment of a one-touch piping connection device according to the present invention.
Figure 3 is a sectional view showing another embodiment of the one-touch piping connection device according to the present invention.

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 to 3 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 with reference to Figure 2, the first body member 10A is inserted into the pipe (1), the first body member 10A is opposed to the center relative to the center 20A of first watertight members disposed to ensure watertightness, a support member 30A for pressing the first watertight member 20A in a linear direction, and a fastening member spirally coupled to the first body member 10A. 40A, the pressing member 50C inserted into the fastening member 40A and moved outward by the pressure spring 50A-1, and one side is fixed to the pressing member 50C to move the pressing member 50C. It consists of a first fixing member (60B) is tightly fixed to the outer peripheral surface of the municipal pipe (1).

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 pressing member 50C, and the first fixing member 60B may be accommodated or coupled thereto to connect the pipe 1.

Referring to the drawings, the first body member 10A is provided with an insertion restriction rib 10A-5 to allow the pipe 1 to be inserted to both sides by the same length so that the pipe 1 is inserted only by a predetermined length. As a result, the pipes arranged on both sides of the first body member 10A can be fixed by the same length.

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. In the present invention, as shown in the drawing, the first body member 10A has a shape that can be fastened to a bracket fixed to a conventional wall.

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.

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 applied simply to firmly press the first watertight member 20A in a straight direction so as to exclude a condition in which 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 the pressing member 50C and the first fixing member 60B. With 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.

The pressing member (50C) is to allow the pipe (1) to be inserted in the center portion and the first fixing member (60B) described in detail below to be fixed in a circular shape to enable the fixing or separation of the pipe (1), It is provided with a second protruding rib (50A-3) positioned to the outside, the pressure spring (50A-1) is provided between the second protruding rib (50A-3) and the engaging jaw (40A-2) of the fastening member (40A) Since the moving space of the pressing member 50C is also used as a space for placing the pressing spring 50A-1, the pressing spring 50A-1 may be positioned inside the fastening member 40A. It is possible to reduce the overall length of the present invention than when, the second protruding rib (50A-3) also performs a function to facilitate the installation and disassembly thereof, such as pressing or pulling the entire pressing member (50C). Done.

The first fixing member 60B has an extension part 60B-1 having one side fixed to the pressing member 50C and extending toward the fastening member 40A, and an inclined surface 40A-1 from the extension part 60B-1. Elastic part 60B-2 extending to the side, teeth 60A-1 in close contact with the pipe 1, and protruding pieces 60A-2 supported by the inclined surface 40A-1; -2) consists of a fixed part (60B-3) connected integrally, when the pipe (1) is inserted into the first body member (10A) by the restoring force of the pressure spring (50A-1) The plurality is arranged to face each other to be fixed.

Since the first fixing member 60B has a panel shape as a whole, the first fixing member 60B can be conveniently mass-produced by press working when metal is used as a material, and a fixing part for substantially fixing the pipe 60B-3 ( Smaller 60B-3) eliminates the hassle of having to install it in a separate component, resulting in increased product productivity and simplified assembly.

Here, the extension part 60B-1 and the pressing member 50C may be fixed to each other by insert injection, welding, or the like, or may be fixed by a simple fitting method, while the elastic part 60B-2 may be the pressing member 50C. A corresponding elastic force 60B-2 to fix or detach the pipe 1 while the fixing part 60B-3 moves in the space between the pipe 1 and the inclined surface 40A-1 corresponding to the direction of movement And size.

On the other hand, another embodiment of the one-touch piping connection device according to the present invention with reference to FIG. 3, the center of the first body member 10A and the first body member 10A into which the pipe 1 is inserted, Spirally coupled to the first watertight member 20A for securing the watertightness, the support member 30A for pressurizing the first watertight member 20A in a linear direction, and the first body member 10A. The fastening member 40A, the pressing member 50D disposed inside or outside the fastening member 40A and being pushed in the insertion direction of the pipe 1, and the pressing member 50D in the opposite direction to the pipe 1 insertion. At the same time, one side is fixed to the pressing member 50D, and the second fixing member 60C is configured to fix or detach the pipe 1 according to the moving direction of the pressing member 50D.

The first body member 10A, the first watertight member 20A, the support member 30A, and the fastening member 40A in this embodiment are all the same as mentioned above, and thus detailed description thereof will be omitted. do.

The pressing member 50D is connected to the second fixing member 60C to allow separation of the pipe 1 when pushed in the pipe 1 insertion direction by an external force, and the second fixing member 60C itself. The pressing member 50D and the second fixing member 60C are fixed to each other by insert injection, welding, fitting method, etc. by being moved in the direction opposite to the insertion of the pipe 1 by the elastic force.

The second fixing member 60C has an extension part 60B-1 having one side fixed to the pressing member 50D and extending toward the fastening member 40A, and an inclined surface 40A-1 from the extension part 60B-1. Elastic part 60B-2 extending to the side, teeth 60A-1 in close contact with the pipe 1, and protruding pieces 60A-2 supported by the inclined surface 40A-1; -2) and a fixed portion 60B-3 integrally connected with the spring portion 60B-4 extending from the fixed portion 60B-3 to contact the support member 30A, the pipe 1 When inserted into the first body member 10A, a plurality of members are disposed to face each other so as to fix the pipe 1 by the restoring force of the spring portion 60B-4.

The second fixing member 60C basically has the same structure as the first fixing member 60B so that the pipe 1 can be fixed or separated, and the second fixing member 60C is integrally provided with the role of the pressure spring 50A-1. Spring portion (60B-4) that can be replaced, thereby simplifying the assembly process, where the spring portion (60B-4) is made in the form of a coil to be connected through a separate operation with the fixed portion (60B-3) Although it may be preferred, it is preferably provided through a second press working to have a leaf spring form after the first press working of the second fixing member 60C.

Similarly to the first fixing member 60B, the second fixing member 60C also has a bending property such that the elastic part 60B-2 has a bendability. Pushed toward the first body member 10A in a close contact state, the degree of close contact with the pipe 1 decreases toward the inclined surface 40A-1 having a large diameter so that the pipe 1 is inserted into the first body member 10A. In addition to making it possible, after the pipe 1 is inserted, the spring portion 60B-4 is firmly in contact with the pipe 1 and fixed to the inclined surface 40A-1 with the smallest diameter.

In addition, the support member 30A is provided with a guide groove 30A-2 into which a portion of the spring portion 60B-4 is inserted, so that the elastic force acting by the spring portion 60B-4 is the second fixing member 60C. It should be provided in accordance with the direction to be moved.

In the additionally described embodiment, when the fastening member 40A is made of plastic, when the fixing part 60B-3 and the pipe 1 are to be pushed out by the strong hydraulic pressure, Since a problem may occur that the protruding piece 60A-2 damages the inclined surface 40A-1 due to the material property, the protruding piece 40A-2 is inserted to be in close contact with the inclined surface 40A-1 to solve this problem. The metal member 90A having a double-sided open cup shape for supporting) may be installed at the fastening member 40A.

In addition, a plurality of shape holding members 100A are installed between the fixing parts 60B-3 and the spring parts 60B-4 so as to maintain a state in which the plurality of second fixing members 60C are disposed in a circular shape. It is possible to prevent the phenomenon in which the spring portions 60B-4 are bent unevenly or unevenly in any particular direction.

For reference, the fixing part 60B-3 has a shape in which the height gradually increases as the diameter of the fastening member 40A extends to the inclined surface 40A-1, and the inclined surface 40A-1 has a protrusion 60A-. 2) of the inclined surface 40A-11 (surface formed in succession to the catching jaw 40A-2) and the fixing part 60B-3 to be partially sandwiched between the fastening member 40A and the pipe 1; The tooth 60A-1 is composed of a steep inclined surface 40A-12 which provides a space to move to the inclined surface 40-1 so as not to be in close contact with the pipe 1, the pressing member 50C or the pressing member 50D Is pressed toward the first body member 10A, the teeth 60A-1 of the fixing part 60B-3 are positioned in the space between the steep slope 40A-12 and the pipe 1 so that the pipe 1 Of the fixing part 60B-3 is the mildly inclined surface 40A-11 when the pressing member 50C or the pressing member 50D is moved outward by the elastic force. Between the pipe and the pipe (1) The teeth 60A-1 press the pipe 1 so that the pipe 1 is not separated.

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

Claims (5)

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;
It is provided with a second protruding rib (50A-3) positioned to the outside and the pressure spring (50A-1) between the second protruding rib (50A-3) and the engaging jaw (40A-2) of the fastening member (40A) A pressing member (50C) which makes it possible to arrange;
One side is fixed to the pressing member 50C and the extension part 60B-1 extending to the fastening member 40A side, and the elastic part 60B extending from the extension part 60B-1 to the inclined surface 40A-1 side. -2) and the projection 60A-2 supported by the tooth 60A-1 and the inclined surface 40A-1 which are in close contact with the pipe 1, are integral with the elastic part 60B-2. It consists of a fixed portion (60B-3) to be connected, a plurality of pipes to fix the pipe (1) by the restoring force of the pressure spring (50A-1) when the pipe (1) is inserted into the first body member (10A) One-touch piping connection device, characterized in that consisting of; first fixing member (60B) disposed to face each other. 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;
A pressing member 50D disposed in an inner side or an outer side of the fastening member 40A in a ring shape and being pushed in the insertion direction of the pipe 1;
One side is fixed to the pressing member 50D and the extension part 60B-1 extending to the fastening member 40A side, and the elastic part 60B extending from the extension part 60B-1 to the inclined surface 40A-1 side. -2) and the projection 60A-2 supported by the tooth 60A-1 and the inclined surface 40A-1 which are in close contact with the pipe 1, are integral with the elastic part 60B-2. The fixed part 60B-3 connected and the spring part 60B-4 which extends from the said fixed part 60B-3 and contact | connects the support member 30A, The piping 1 is a said 1st main body member. A second fixing member (60C) disposed to face each other to fix the pipe (1) by the restoring force of the spring portion (60B-4) when inserted into (10A); one-touch type Plumbing connections. The method according to claim 1 or 2,
When the fastening member 40A is made of plastic, a metal member 90A is inserted into the fastening member 40A to be in close contact with the inclined surface 40A-1 to support the protruding piece 60A-2. One-touch piping connection device characterized in that the. The method according to claim 2,
One-touch piping connection device, characterized in that the support member (30A) is formed with a guide groove (30A-2) is inserted into a portion of the spring portion (60B-4). The method according to claim 2,
Shape holding member 100A is provided between the fixing part 60B-3 and the spring part 60B-4 to maintain a plurality of second fixing members 60C arranged in a circular shape. One-touch plumbing connection device.

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