KR101339840B1 - Pipe joint - Google Patents

Abstract

A pipe joint to connect pipes having fluid passages where fluids are supplied comprises: an insert body connected to the pipes; and a socket including an insert insertion part formed on the outer circumference of the insert body and allowing the insert body to be inserted thereinto, and a grip ring which is interposed between the insert body and the insert insertion part and is extended from the insert insertion part in the reverse direction of the insert body to prevent water from leaking to the insert body. Thereby, the pipe joint prevents fluids supplied through the pipes from leaking by reducing a danger of damage.

Description

PIPE JOINT {PIPE JOINT}

The present invention relates to a pipe connector, and more particularly to a pipe connector for preventing leakage in fire pipes, water pipes and the like.

In general, pipe connectors for guiding fluids such as tap water, cold / hot water, and fire water are widely used. Most of these pipes are connected by a plurality of pipe joints in that they are piped considerably longer or partially different material properties are required.

The pipe connector may be composed of an insert body connected to the pipe and a socket connecting the supply pipe to which the insert body and the fluid is supplied. The insert body of the pipe connector is formed of a hard material such as copper, iron in order to increase the binding force with the pipe, the hard material such as copper, iron has a problem that the fluid leak frequently occurs.

To compensate for this, a socket for preventing leakage is provided on the outer surface of the insert body. In general, the socket is formed of a soft material such as PVC (Polyvinyl chloride) or PP (Polypropylene) to thoroughly prevent leakage.

However, while the pipe connector is made of a hard material such as brass, the socket is a soft material, so there is a problem in that the socket is partially damaged and leaks in the process of connecting the pipe connector and the socket.

Therefore, there is a demand for a pipe connector that can easily connect the pipe and the socket and prevent damage.

The present invention has been made to solve the above problems, it is an object of the present invention to provide a pipe connector that can reduce the risk of damage to prevent leakage.

A pipe connector for connecting a pipe having a flow path for supplying a fluid for solving the above problems, comprising: an insert body connected to the pipe; And an insert inserting portion provided at an outer periphery of the insert body, the insert inserting portion inserted into the insert body, extending from the insert inserting portion in a reverse direction of the insert body, interposed between the insert body and the insert inserting portion. It characterized in that it comprises a; a socket having a grip ring (Grip ring) to prevent leakage to the insert body. By the above configuration, it is possible to prevent the leakage of the fluid supplied through the pipe by reducing the risk of breakage of the pipe connector.

The insert inserting portion may include a first insert inserting portion into which an end of the insert body is inserted; And a second insert insert portion into which a body of the insert body is inserted and formed to be larger than a width of the first insert insert portion. It includes, The grabbing may be provided along the inner circumferential surface of the second insert insert. By the grabbing, the insert body can easily be inserted into the socket. The grabbing is a device that prevents the separation of the object in the other direction by mounting and fastening the object in one direction, it is possible to maintain the binding state of the insert body and the socket by the grabbing.

A fixing member is provided on the insert body and the outer circumferential surface of the socket to fasten and fix the insert body and the socket. The fixing member may serve as a screw to increase the binding force between the insert body and the socket.

Here, the fixing member may be formed in a concave-convex shape to be caught and fixed to the end of the socket, one end is formed longer than the other end, the other end may be provided adjacent to the grabbing.

In this case, the socket may further include an O-ring interposed between the grabbing ring and interposed between the insert body, the socket and the fixing member. By the O-ring, the fixing member may have a binding force with the insert body and the socket.

On the other hand, the insert body outer circumferential surface may be formed with a screw thread so as to be screwed to the pipe, the screw thread is formed in the form of a male screw can be changed according to the conditions.

Here, the insert body and the socket may be formed of different materials. For example, the insert body may be formed of a hard material such as copper, iron, or aluminum, and the socket may be formed of a soft material such as polyvinyl chloride (PVC) or polypropylene (PP). Therefore, the tightening force between the insert body and the pipe is improved, and a soft socket is provided at the outer circumference of the insert body, thereby preventing leaks that may occur in the insert body.

As described above, according to the present invention, various effects including the following can be expected. However, the present invention does not necessarily achieve the following effects.

First, the insert body is connected to the pipe is supplied to the fluid supply is formed of a hard material, and the insert body and the socket is formed in a structure in which the insert body and the socket is inconsistent with each other through the grabbing between the soft socket on the outer peripheral of the insert body, Even when the body and the socket are engaged, pressure is applied to the socket to prevent the socket from being damaged.

Second, by forming the insert body connected to the pipe is supplied with a hard material made of a hard material, and by providing a soft socket on the outer periphery of the insert body, the fluid leaked from the pipe to the insert body can be prevented from leaking from the socket.

1 is a perspective view showing a pipe connector according to an embodiment of the present invention.
2 is a cross-sectional view of the tubular connector of FIG. 1.
3 is an exploded cross-sectional view showing an exploded cross section of the pipe connector of FIG.

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

In the following description of the present invention, a detailed description of known functions and configurations will be omitted so as not to obscure the gist of the present invention.

1 is a perspective view showing a pipe connector according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the pipe connector of Figure 1, Figure 3 is an exploded cross-sectional view showing an exploded cross section of the pipe connector of FIG.

1 to 3, the pipe connector 100 according to an embodiment of the present invention is the outer periphery of the insert body (insert-body) 180 and the insert body 120 is connected to the pipe forming the flow path is supplied with fluid Is provided in the insert body 120 is inserted into the insert insertion portion 182, the insert insertion portion 182 is formed extending in the reverse direction of the insert body 120, the insert body 120 and the insert insertion portion And a socket 180 having a grip ring 184 interposed between 182 and preventing leakage to the insert body 120.

The insert body 120 may be connected to the pipe in a straight line or curved, it may be formed of a hard material such as copper, iron or aluminum. For example, the insert body 120 may be formed of brass, but the material of the insert body 120 does not limit the present invention.

In addition, the thread 122 is formed on the outer circumferential surface of the insert body 120. The thread 122 may be screwed with the pipe through which the fluid flows, and in the embodiment of the present invention, for example, the thread 122 is formed in the form of a male screw, but in some cases the female thread is inserted into the insert body 120. May be formed, and a male screw may be formed on the inner circumferential surface of the pipe. As the thread 122 is formed on the outer circumferential surface of the insert body 120, the pipe and the insert body 120 may be easily fastened. That is, since the pipe and the insert body 120 is made of a screw coupling, it is possible to connect the two devices without using a separate device or member, there is an advantage that can be mounted as needed because it is removable.

The socket 180 may be formed in a hollow state so that the fluid supplied from the pipe may flow. An insert body 120 may be inserted into the socket 180 and may be fastened. To this end, a body of the first insert inserting portion 182a and the insert body 120 into which an end of the insert body 120 is inserted is inserted. The second insert inserting portion 182b is inserted to be formed larger than the width of the first insert inserting portion 182a. At this time, the grabbing 184 is provided along the inner circumferential surface of the second insert inserting portion 182b to allow the insert body 120 to revolve in the socket 180.

In more detail, the first and second insert insertion portions 182a and 182b may be formed in a multi-step shape. In this case, the first insert insertion portion 182a is formed to be the same as the width of the insert body 120 or smaller than the width of the insert body 120 so that the end of the insert body 120 is firmly inserted into the insert body 120. Is inserted into the first insert inserting portion (182a) may be maximized the coupling force between the insert body 120 and the socket 180.

Meanwhile, a grabbing 184 may be provided on the inner circumferential surface of the second insert inserting portion 182b. The grab ring 184 is a device having an eccentricity function, and when the specific object is fastened in one direction, the grabbing ring 184 prevents the specific object from falling out in the other direction. As the grabbing 184 is provided on the inner circumferential surface of the second insert inserting portion 182b, the binding force of the insert body 120 inserted into the socket 180 may be further improved.

On the other hand, the insert body 120 and the outer peripheral surface of the socket 180 is further provided with a fixing member 160 for fastening and fixing the insert body 120 and the socket 180.

The fixing member 160 is formed in a concave-convex shape to be caught and fixed to the end of the socket 180, one end 162 is formed longer than the other end 164, the other end 164 is the O-ring 186 It may be provided adjacent to. That is, the inner bottom surface of the fixing member 160 is in contact with the end of the socket 180, one end 162 is interviewed with the outer peripheral surface of the socket 180, the other end 164 is the socket 180 And an insert body 120 is provided between the outer circumferential surface. In other words, the other end 164 of the fixing member 160 fills the space between the insert body 120 and the socket 180 such that the insert body 120 and the socket 180 are not directly interviewed. Due to this. The insert body 120 and the socket 180 may be mounted not to be engaged with each other but to revolve with each other. Thus, when the insert body 120 is inserted into the socket 180, the hard insert body 120 may be prevented from being damaged by the shovel input inserted into the socket 180.

On the other hand, the fixing member 160 is described with an example formed in a concave-convex shape, but may be formed in a variety of shapes so that the socket 180 and the insert body 120 can be mounted to revolve.

On the other hand, the socket 180 is provided adjacent to the grab ring 184, and further includes an O-ring 186 interposed between the insert body 120, the socket 180 and the fixing member 160.

The O-ring 186 is fixed to the outer peripheral surface of the socket 180, the insert body 120 when the fixing member 160 is mounted on the outer peripheral surface of the socket 180, the insert body 120 Mounting can additionally prevent fluid leakage.

As described above, by providing the grabbing 184 between the insert body 120 and the socket 180 of the pipe connector 100, the mountability of the insert body 120 and the socket 180 is improved. In addition, by preventing the socket 180 from being damaged on the outer periphery of the insert body 120 and the socket 180, and by providing a socket 180 made of a soft material, it is possible to prevent the leakage of fluid leaking from the insert body 120. It becomes possible.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

100: pipe connection 120: insert body
122: thread 160: fixing member
180: socket 182: insert insert
182a: first insert insert 182b: second insert insert
184: grab ring 186: O-ring

Claims (10)

In the pipe connector for connecting the large-diameter piping to be installed in the fire pipe, fire hydrant,
It is formed of a hard, the outer circumferential surface is formed with a screw thread (insert-body) for screwing the pipe with the fluid movement; And
An insert insert, which is formed in a soft shape and is provided on an outer circumference of the insert body and includes a first insert insert portion into which the insert body is inserted, and a second insert insert portion larger than a width of the first insert insert portion. And a socket having a grip ring extending from the insert inserting portion in a reverse direction of the insert body and provided on an inner circumferential surface of the second insert inserting portion to prevent leakage to the insert body. ; / RTI >
It is provided on the insert body and the outer peripheral surface of the socket is formed in the concave-convex shape to be fixed to the socket end end to secure the insert body and the socket at the same time, one end is formed longer than the other end, the other end is Further comprising a fixing member provided adjacent to the grabbing,
And the grappling end of the fixing member fills the space between the insert body and the socket so that the insert body revolves in the socket. delete delete delete The method according to claim 1,
The socket includes:
And an O-ring provided adjacent to the grab ring and interposed between the insert body, the socket, and the fixing member. delete delete The method according to claim 1,
The insert body is a pipe connector, characterized in that formed of any one of copper, iron or aluminum. The method according to claim 1,
The socket is a pipe connector, characterized in that formed of any one of PVC (Polyvinyl chloride) or PP (Polypropylene).
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