KR100723004B1 - Elbow pipe fitting - Google Patents

Abstract

The elbow fitting pipe according to the present invention forms an inlet and outlet of the fluid and each of the elbow body is coupled to the pipe can be maintained in a watertight state and prevented separation; And a vortex induction pipe detachably coupled to the inside of the elbow body and configured to induce vortex by rotating a flow of fluid vertically introduced into the inlet side of the elbow body through a screw formed along the inner diameter thereof.

The present invention as described above is provided with a screw molded part inside the elbow fitting pipe, so that the vortex of the fluid entering the inlet side by the screw forming part is induced, the impact noise at the bent portion of the elbow fitting pipe is minimized, the vortex By forming a coupling part at one end of the induction pipe, and assembling so as to be supported on the inlet side of the elbow body using the coupling part, there is an effect that the assembly operation of the vortex induction pipe is very simple.

Description

ELBOW PIPE FITTING}

1 is a perspective view showing a noise preventing structure of a conventional elbow fitting pipe.

Figure 2 is a cross-sectional view showing the internal structure of the elbow fitting pipe according to the present invention.

Figure 3 is a perspective view conceptually showing the screw formed part of the vortex induction pipe according to the present invention.

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

100: elbow fitting pipe 110: vortex induction pipe

111: screw forming portion 113: coupling portion

113a: pipe guide groove 113b: elbow fixing jaw

120: elbow body 121: inlet

123: outlet 124: noise blocking partition

125: reinforcing rib 126: screw portion

130: cap 140: packing member

200: pipe

The present invention relates to an elbow fitting pipe, and more particularly, having a screw molding portion inside the elbow fitting pipe, and by the screw forming portion to be induced by the vortex of the fluid entering the inlet side, the bent portion of the elbow fitting pipe The present invention relates to an elbow fitting tube for minimizing the impact noise at.

In general, in the piping system such as water supply and drainage of the house, the vibration and noise of the pipe is caused by the abnormal pressure generated by the water hammer action by the rapid operation of the valve.

In this case, the water hammer action is when the flow rate of the flow control valve in the pipeline is suddenly closed or opened, or when the pump is started and stopped, if the abnormal flow in which the speed of the fluid flowing in the pipe changes rapidly, the pressure in the pipe rises rapidly, The pressure wave reciprocates in the pipeline.

This action is called water hammer or water hammer, and water hammer in pipelines is the main cause of vibration and noise of pipes, causing pipe breakage, damage of accessories and instruments, leakage of joints, etc. It will reduce the durability of.

Particularly, the elbow fittings applied to the toilet bowl are treated with drainage by rapid operation, so severe water hammer occurs.

As a known example, as a device for attenuating the vibration and noise caused by the above-mentioned water hammer phenomenon, "Structure of Low Noise Elbow Fitting for Toilet" has been proposed, which is described in detail with reference to FIG. 1. As shown in the drawings, the structure of the low noise elbow fitting pipe for the toilet includes an inlet pipe 10 through which fluid is introduced during drainage, a discharge pipe 20 discharged through the inlet pipe 10, and the inlet pipe 10 and The discharge pipe 20 is inserted into and fixed to the elbow-shaped body 30, the inside of the main body 30 is fixed and installed, the inlet and the discharge port is in communication with the inside forming a curved surface, the inlet pipe 10 In the drain connection pipe consisting of a sound absorbing pipe 40 for suppressing the drainage noise of the fluid introduced through the), the inner bottom surface of the sound absorbing pipe 40 at intervals protruding upwards at intervals 46 Formed, The inner ceiling surface facing the streamline portion 46 is rounded.

However, the above-described drainage connecting pipe of the prior art has a problem in that the sound absorbing tube 40 is manufactured by injection molding by forming a separate mold, and the manufacturing cost of the mold is high.

In addition, since the work of installing the sound absorbing tube 40 inside the elbow-shaped main body 30 is performed by the manual labor of the worker, the assembling work is cumbersome and difficult, and there is a problem that productivity decreases due to the delay of working time by manual labor. .

An object of the present invention for solving the problems of the prior art is provided with a screw molded part inside the elbow fitting pipe, so that the vortex of the fluid entering the inlet side by the screw forming part is induced, in the bent portion of the elbow fitting pipe To provide an elbow fitting tube to minimize the impact noise.

In addition, another object of the present invention is to form an engaging portion at one end of the vortex induction pipe, by assembling so as to be supported on the inlet side of the elbow body using the coupling, elbow joint pipe to simplify the assembly work of the vortex induction pipe In providing.

In the elbow fittings according to the present invention for achieving the object as described above to form an inlet and outlet of the fluid and the pipe is coupled to each other in a state capable of maintaining watertightness and separation,

A screw forming part is provided inside the elbow fitting pipe, and the vortex of the fluid entering the inlet side is introduced by the screw forming part.

In addition, the elbow fitting pipe according to the present invention forms an inlet and outlet of the fluid and each of the elbow body is coupled to the pipe can be maintained in a watertight state and prevented separation; And a vortex induction pipe detachably coupled to the inside of the elbow body and configured to induce vortex by rotating a flow of fluid vertically introduced into the inlet side of the elbow body through a screw formed along the inner diameter thereof.

Here, at least two or more noise barrier bulkheads gradually decreasing in diameter in the inner concentric direction of the elbow body are sequentially formed, and a plurality of reinforcements for maintaining gaps and maintaining mechanical strength between the elbow body and the noise barrier bulkheads. Allow the lip to form.

The vortex induction pipe extends the edge of the inlet side to form a coupling part for engaging with the inner diameter of the elbow body, and a screw molding part is formed to rotate the flow of the fluid along the inner diameter thereof. A pipe guide groove into which one end of the peripheral pipe is inserted is formed, and an elbow fixing jaw protrudes from the lower side.

Such a vortex induction pipe is preferably formed to form the elbow angle (θ) of 50 ~ 70 °, it can be made of a softer material than the material of the elbow body to improve the shock absorption characteristics.

Hereinafter, with reference to the accompanying drawings for a preferred embodiment of the present invention will be described.

Figure 2 is a cross-sectional view showing the internal structure of the elbow fitting pipe according to the present invention, Figure 3 is a perspective view conceptually showing the screw forming part of the vortex induction pipe according to the present invention.

The elbow fitting tube 100 of the present invention, as shown in the drawing, has a screw forming portion 111 therein, and the vortex of fluid entering the inlet 121 side by the screw forming portion 111 is Characterized in that it is guided, in the configuration according to the embodiment, it is composed of the elbow body 120 and the vortex induction pipe 110 largely.

First, the elbow body 120 forms the inlet 121 and the outlet 123 of the fluid and the pipe 200 is coupled to each other in a state capable of maintaining watertightness and separation from each other, the inlet 121 is a vertical direction The outlet 123 is generally installed to face in the horizontal direction.

At least two noise blocking partitions 124 are formed in the interior of the elbow body 120, and the noise blocking partitions 124 have an elbow shape in which diameters decrease in sequence.

Reinforcing ribs 125 are formed between the elbow body 120 and the noise barrier bulkheads 124 to maintain a gap and maintain mechanical strength. At this time, the shape of the reinforcing rib 125 is manufactured in the shape of a plate body connecting between the elbow body 120 and the noise blocking partition 124. When viewed from the inlet 121 side of the elbow body 120, it is seen that a plurality of radially unfolded plate between the elbow body 120 and the noise blocking partition 124 of the circular support.

At this time, the noise blocking partitions 124 are supported by the reinforcing ribs 125 and formed so that both ends of the inlet 121 and the end of the outlet 123 are penetrated, or which one side is to be blocked. It may be. In this case, it is more preferable that the inlet 121 is open so that the outlet 123 is blocked.

In particular, the height of the end of the reinforcing rib 125 on the side of the inlet 121 is formed to be lower than the height of the end of the noise barrier bulkhead 124 formed at the innermost to form a groove having a predetermined depth, so that the vortex induction pipe inside the groove The coupling portion 113 of the 110 may be supported. At this time, the end height of the noise blocking partition wall 124 formed between the reinforcing lip 125 is formed to be the same as the height of the end of the reinforcing lip 125.

Here, as shown in FIG. 2, the pipe 200 is inserted into the inlet 121, and the packing member 140 is inserted between the pipe 200 and the inlet 121 to maintain the watertightness.

In addition, the cap 130 is coupled to the threaded portion 126 formed at the outer diameter of the inlet 121 and the outlet 123 so that the packing member 140 is compressed, thereby maintaining the watertightness and at the same time the pipe 200. It can prevent the separation.

In addition, the elbow fitting pipe 100 is coupled to the vortex induction pipe 110 made in the elbow tube shape to the inner flow path of the elbow body 120, the vortex induction pipe 110 is the end of the inlet 121 side The coupling portion 113 is formed by extending the edge.

The coupling part 113 is manufactured in an annular shape, and forms a pipe guide groove 113a into which one end of the upper circumferential pipe 200 is inserted, and an elbow fixing jaw 113b protrudes from the lower circumference.

In addition, the vortex induction pipe 110 is provided with a screw forming portion 111 along its inner diameter, the screw forming portion 111 is a flow of fluid flowing vertically to the inlet 121 side of the elbow body 120 By rotating the vortex is induced.

As such, when the fluid that is directly dropped in the vertical direction is passed through the elbow body 120, the fluid noise due to the frictional shock is prevented.

At this time, since the vortex induction pipe 110 serves to induce the vortex flow of the fluid, the elbow forming angle θ, that is, the screw forming part 111 is not formed to the 90 ° range, 50 ~ It is sufficient to form only in the 70 ° range.

Such vortex induction pipe 110 is preferably made of a soft material having elasticity compared to the material of the elbow body 120, which is not only excellent in absorbing the impact of the fluid, but also due to its unique flexibility This is because molding and assembly are easy.

As the present invention having the above-described configuration and operation can be variously modified and changed by those skilled in the art using the various embodiments described above, the true technical scope of the present invention is not limited to the contents described in the detailed description of the specification, but the patent claims It should be determined by the scope.

The present invention as described above is provided with a screw molded part inside the elbow fitting pipe, so that the vortex of the fluid entering the inlet side by the screw forming part is induced, the effect of minimizing the impact noise at the bent portion of the elbow fitting pipe have.

In addition, the present invention forms an engaging portion at one end of the vortex induction pipe, by assembling so as to be supported on the inlet side of the elbow body using the coupling, there is an effect that the assembly operation of the vortex induction pipe is very simple.

Claims (8)

In the elbow fitting pipe forming the inlet and outlet of the fluid and each of the pipes are coupled in a watertight state and prevented separation, The elbow fitting pipe is provided with a screw forming part (111) inside the elbow fitting pipe, and the vortex of the fluid entering the inlet (121) side by the screw forming part 111 is induced. An elbow body 120 that forms the inlet 121 and the outlet 123 of the fluid, and each of the pipes 200 is coupled to the watertight state and prevented from being separated; And Detachable and coupled to the inside of the elbow body 120, through the screw forming portion 111 formed along the inner diameter to rotate the flow of the fluid vertically introduced to the inlet 121 side of the elbow body 120 to induce vortex Elbow fittings characterized in that it comprises a vortex induction pipe (110). The method of claim 2, Elbow joint pipe, characterized in that at least two or more noise blocking partitions 124 gradually decreasing in diameter in the inner concentric direction of the elbow body 120 is formed in sequence. The method of claim 3, wherein Elbow body (120) and the noise barrier bulkhead (124) between the elbow fittings, characterized in that a plurality of reinforcing ribs (125) are formed to maintain the gap and maintain the mechanical strength. The method of claim 2, The vortex induction pipe 110 forms an engaging portion 113 for engaging the inner diameter of the elbow body 120 by extending the edge of the inlet 121 side, and for rotating the flow of the fluid along the inner diameter Elbow fittings, characterized in that the screw forming portion 111 is formed. The method of claim 5, The coupling part 113 forms a pipe guide groove 113a into which one end of the upper circumferential pipe 200 is inserted, and an elbow fitting jaw 113b protrudes from the lower circumference. The method of claim 5, The vortex induction pipe 110 is an elbow fitting pipe, characterized in that to form an elbow forming angle (θ) of 50 ~ 70 °. The method of claim 5, Elbow fittings characterized in that the material of the vortex induction pipe 110 is made of a softer material than the material of the elbow body 120.

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