KR200374329Y1 - Device for connectiong pipes - Google Patents

Abstract

According to a feature of the present invention, a hollow portion into which a pipe is fitted is formed in a cylindrical cylinder, and a push bump is formed to protrude from an inner circumferential center of the hollow portion so that an end of a pipe inserted into the hollow portion is formed. On the inner circumference of the hollow portion located at both sides of the center, an inclined watertight surface is formed, which extends from the outer side to the inner side of the cylinder and becomes narrower. ; A rubber ring inserted into a pipe inserted into a hollow part of the connection socket and embedded in a watertight watertight surface of the connection socket; The rubber ring is fitted to the pipe so as to be in close contact with the inclined watertight surface of the connection socket and the pipe, and is fixed to the locking step of the connection socket on the rim of the close contact bushing part having a cut-out portion for expanding the diameter when the rubber ring is fitted to the pipe. A coupling cover which is integrally formed with the engaging ring portion having a locking projection, and a tightening cover which is integrally connected with the tightening bracket portion having a bolt hole at the end of the cutout portion; Provided with a pipe connector comprising a locking bolt is fastened to the bolt hole of the tightening cover to fix the tightening cover supported to the connecting socket while the rubber ring is in close contact with the inclined watertight surface of the connecting socket and the pipe. do.

Description

Pipe connectors {DEVICE FOR CONNECTIONG PIPES}

The present invention relates to a pipe connector, more specifically, by making the connection of pipes, such as water pipes, sewer pipes, concrete pipes, PE pipes, etc. buried in the ground so that water flows through the interior of the pipe is made more robust and smooth The pipe connector is configured to improve the efficiency of the pipe connection work.

In general, a conventional pipe connector for connecting a pipe such as a sewer pipe made of polyethylene (PE) and embedded in the ground is provided with a pipe 20 fitted inside a cylindrical cylinder 11 as shown in FIG. 1. Both opening hollow portions 12 are formed, and the anti-tuck jaw 13 protruding from the center inner circumference of the hollow portion 12 to prevent the end of the pipe 20 fitted into the hollow portion 12 from being caught and pushed. When the pipe 20 is fitted to the inner circumference of the hollow part 12 located at both sides of the anti-adjustment jaw 13, the rubber packing 14 which is watertight and cushioning is combined.

However, such a conventional pipe connector 10 when the two pipes 20 are interconnected, the pipe 20 and the pipe 20 and the pipe (only by the elastic force of the rubber packing 14 fitted to the pipe 20) The connection and the watertight state of 20 and the connector 10 are maintained, so that when the two pipes 20 connected to each other are loaded inward with respect to the connector 10, the connection state of the pipe 20 is to some extent. In the case of the pipe 20 and the connector 10 is buried, for example, two pipes 20 connected to each other due to earth pressure or ground subsidence or earthquake are embedded around the connector 10. When the load is applied to the outside, there is a problem that the pipe 20 is easily separated from the connector 10 and the watertight state or the connection state is damaged.

In addition, when the diameter of the pipe 20 to be connected is somewhat different, not only the interconnection work of the pipe 20 by the connector 10 can not be made, but to overcome the situation, manufactured to correspond to the pipe diameter every time. There was a problem that the connector 10 is required or prepared.

The present invention has been proposed in view of the problems described above, and its purpose is to provide a pipe connector configured to allow the connection of the pipes buried in the ground to allow sewage to flow through the interior of the pipe more firmly It is.

According to a feature of the present invention for achieving the above object, a hollow portion is formed in the cylindrical cylinder, the hollow fitting portion is formed, the anti-slip projection protrudes so that the end of the pipe fitted in the hollow portion in the center of the inner hollow portion It is formed, the inner periphery of the hollow portion located on both sides of the rolling prevention jaw is formed on the inclined watertight surface proceeds from the outside to the inner side of the cylinder and the diameter is narrow, at least one engaging step jaw around the outer periphery of the cylinder A connecting socket formed to protrude along; A rubber ring inserted into a pipe inserted into a hollow part of the connection socket and embedded in a watertight watertight surface of the connection socket; The rubber ring is fitted to the pipe so as to be in close contact with the inclined watertight surface of the connection socket and the pipe, and is fixed to the locking step of the connection socket on the rim of the close contact bushing part having a cut-out portion for expanding the diameter when the rubber ring is fitted to the pipe. A coupling cover which is integrally formed with the engaging ring portion having a locking projection, and a tightening cover which is integrally connected with the tightening bracket portion having a bolt hole at the end of the cutout portion; Provided with a pipe connector comprising a locking bolt is fastened to the bolt hole of the tightening cover to fix the tightening cover supported to the connecting socket while the rubber ring is in close contact with the inclined watertight surface of the connecting socket and the pipe. do.

1 is a cross-sectional view showing a state in which a pipe is connected by a conventional pipe connector.

Figure 2 is an exploded perspective view showing a pipe connector according to an embodiment of the present invention.

Figure 3 is a cross-sectional view showing a state in which the pipe is connected by the pipe connector of the present invention.

<Explanation of symbols for the main parts of the drawings>

20: pipe 100: pipe connector

110: connecting socket 111: cylinder

112: hollow part 113: jungle prevention jaw

114: inclined watertight surface 115: locking step

120: rubber ring 121: inclined contact surface

130: tightening cover 131: tight bushing

131a: incision 132: coupling ring

132a: locking projection 133: tightening bracket portion

133a: bolt hole 134: stone protrusion

140: locking bolt

Hereinafter, a pipe connector according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is an exploded perspective view showing a pipe connector according to an embodiment of the present invention, Figure 3 is a cross-sectional view showing a state in which the pipe is connected by the pipe connector of the present invention.

Pipe connector 100 according to the present invention as shown is a hollow portion 112 in which the pipe 20 is fitted in the cylindrical cylinder 111 is formed and the hollow portion in the inner peripheral center of the hollow portion 112 The anti-rolling jaw 113 is formed to protrude so that the end of the pipe 20 fitted in the (112) and the outer periphery of the cylinder 111 on the inner circumference of the hollow portion 112 located on both sides with respect to the anti-rolling jaw 113. Inclined watertight surface 114 is narrow in diameter and proceeds from the inner side of the outer periphery of the cylinder 111, at least one hooking step 115 is formed with a connection socket 110 protruding along the circumference, and the Rubber ring 120 and the rubber ring 120 which is fitted to the outside of the pipe 20 is inserted into the hollow portion 112 of the connection socket 110, the internal end of the inclined watertight surface 114 of the connection socket 110, ) To the pipe 20 to closely contact the inclined watertight surface 114 and the pipe 20 of the connecting socket 110. A locking stone that is caught and fixed to the locking step jaw 115 of the connection socket 110 by the edge of the close contact bushing portion 131 provided with a cutout portion 131a for expanding the diameter when it is fitted to the pipe 20. The coupling ring 132 having the group 132a is integrally formed and the tightening cover 130 is formed integrally with the tightening bracket portion 133 having the bolt hole 133a at the end of the cutout 131a. In order to fix the tightening cover 130 which is supported and coupled to the connecting socket 110, the rubber ring 120 is in close contact with the inclined watertight surface 114 and the pipe 20 of the connecting socket 110. Is fastened to the bolt hole (133a) of 130 is configured to include a locking bolt 140.

In addition, at the inner circumference of the tight bushing part 131 of the tightening cover 130, at least one protrusion protrusion 134 is formed to protrude along the circumference to improve the coupling force with the pipe 20.

In addition, the inclined contact surface 121 is formed on the outer circumference of the rubber ring 120, the connection socket 110 by increasing the close contact with the inclined watertight surface 114 of the connection socket 110. ) And the watertight between the pipe 20 can be configured to be made more smoothly.

On the other hand, the rubber ring 120 and the tightening cover 130 are each manufactured in a separate state is preferably configured to be assembled with the connecting socket 110 and the pipe 20, in some cases the tightening cover 130 It may be manufactured to be coupled to the support bushing portion 131 of the front end portion of the) and assembled with the connection socket 110 and the pipe 20.

The pipe connector 100 of the present invention configured as described above is as follows.

In the case of connecting two pipes 20 using the pipe connector 100 of the present invention, the fastening cover 130 and the rubber ring 120 are sequentially inserted into the two pipes 20 to be connected first, respectively. The pipe 20 enters into the hollow portion 112 of the connection socket 110 and is coupled to the end of the pipe 20 to be in close contact with the push bar 113 of the connection socket 110.

Thereafter, the tightening cover 130 enters the connecting socket 110 direction, and the close bushing part 131 of the tightening cover 130 pushes the rubber ring 120 to the inclined watertight surface 114 of the connecting socket 110. And close to the outer periphery of the pipe 20 and at the same time so that the locking projection 132a of the tightening cover 130 is caught on the engaging step 115 of the connecting socket 110 is supported.

Since the locking bolt 140 is fastened to the bolt hole 133a of the tightening cover 130, the rubber ring 120 is in close contact with the inclined watertight surface 114 and the pipe 20 of the connection socket 110. Coupling with the inner circumference of the close contact bushing portion 131 of the tightening cover 130 by reducing the diameter of the close contact bushing portion 131 and the coupling ring portion 132 of the tightening cover 130 is coupled to the connection socket 110 When the locking projections 132a of the ring portion 132 are fixed to the outer periphery of the pipe 20 and the locking step jaw 115 of the connection socket 110, respectively, the connection work of the two pipes 20 is completed.

As described above, the pipe connector has a tightening cover fixed to the outer surface of the pipe and a connection socket connecting the pipe by locking bolts, so that the earth pressure or ground floating or earthquake occurs after buried. The two interconnected pipes can maintain the water tightness without being easily separated even if the load is applied to the outside of the connector center, thereby improving the precision and reliability of the pipe connection work. have.

In addition, the pipe connector of the present invention is smoothly connected to the pipe by the lock bolt, the diameter of the bushing portion of the tightening cover is expanded and reduced by the incision, so that even if the outer diameter of the pipe to be connected is somewhat different, the pipe connection work smoothly Precise construction has the effect of improving the efficiency of pipe work.

Claims (2)

The hollow part 112 in which the pipe 20 is fitted is formed in the cylindrical cylinder 111, and the end part of the pipe 20 fitted in the hollow part 112 is formed in the center of the inner circumference of the hollow part 112. The thrust prevention jaw 113 is formed to protrude, and the inner periphery of the hollow portion 112 located at both sides with respect to the thrust prevention jaw 113 is advanced from the outside of the cylinder 111, and the number of inclinations of which the diameter is narrowed. A contact surface 110 formed with a push surface 114 and having at least one locking end jaw 115 protruding along a circumference at both ends of the outer circumference of the cylinder 111; A rubber ring 120 inserted into the pipe 20 inserted into the hollow part 112 of the connection socket 110 and embedded in the inclined watertight surface 114 of the connection socket 110; The rubber ring 120 is fitted to the pipe 20 to be in close contact with the inclined watertight surface 114 and the pipe 20 of the connecting socket 110 and the incision to expand the diameter when fitted to the pipe 20 The coupling ring part 132 having the engaging protrusion 132a fixed to the locking step ledge 115 of the connection socket 110 is integrally formed on the edge of the close contact bushing part 131 provided with the part 131a. At the end of the cutout (131a), a tightening cover (130) having a tightening bracket portion (133) having a bolt hole (133a) integrally connected to each other; While tightening the rubber ring 120 to the inclined watertight surface 114 and the pipe 20 of the connecting socket 110, the tightening cover 130 to fix the tightening cover 130 is supported coupled to the connecting socket 110 The pipe connector, characterized in that the fastening bolt bolt (133a) of the locking bolt 140 is included. The pipe connector according to claim 1, wherein at least one wedge protrusion (134) is formed on the inner circumference of the tight bushing portion (131) of the tightening cover (130) to protrude along the circumference.