KR100675065B1 - A joint apparatus with ring for prevention of seperation - Google Patents

Abstract

A joint apparatus with a separation preventing ring is provided to absorb impact caused due to a different settlement, thermal expansion, and surface load after jointing of pipes. A joint apparatus comprises a mounting groove(110), a holding member(120), and a separation preventing ring. The loading groove is formed on an inner surface of a socket portion(100). The holding member is arranged in the mounting groove, and has an inner surface with a tilt surface(121) formed in the direction of insertion of a pipe(20). The separation preventing ring is arranged to be slidable along the tilt surface of the holding member. The holding member has a control rim(122) formed at the side where the pipe is fitted. The tilt surface of the holding member is connected to the control rim.

Description

A JOINT APPARATUS WITH RING FOR PREVENTION OF SEPERATION}

1 is a cross-sectional view for explaining a fitting pipe according to the prior art,

2 is a perspective view showing a state in which the fitting pipe of the present invention is installed;

Figure 3 is a side cross-sectional view showing an installed state of the present invention shown in FIG.

Figure 4 is a perspective view showing a separation prevention ring as a component in the present invention shown in FIG.

5a and 5b is a perspective view and a side cross-sectional view showing a cradle which is a component in the present invention shown in FIG.

6 is a perspective view showing a packing that is a component in the present invention,

Figure 7a is a side cross-sectional view showing a state before the other tube is inserted in the present invention,

Figure 7b is a side cross-sectional view showing a state in which the other tube is inserted in the present invention,

Figure 7c is a side cross-sectional view showing a state in which the tension force is applied to the other tube inversely inserted in the present invention.

           <Description of Symbols for Main Parts of Drawings>

100: socket 110: settling groove

120: holder 121: inclined surface

122: control border 130: control jaw

140: interlocking space portion 150: packing groove

200: release prevention ring 210: pressing projection

220: curved surface 230: flat

300: Packing

The present invention relates to a joint pipe formed integrally with the socket portion used for the pipe joint construction, and more specifically, the pipe joint only by inserting the socket portion of the other pipe in the configuration of the separation prevention ring and packing mounted on the inner circumference of the socket portion The construction is completed, and it relates to a joint pipe capable of accommodating tensile forces due to uneven settlement, soft load, change of floor load due to live load, and thermal expansion due to temperature change.

In general, PVC pipes used for pipe construction are produced and manufactured by an automatic process because of their good formability, and are usually cut to a predetermined length and supplied to the site.

The conventional construction method of such a pipe is to bury the pipes that are individually cut at the actual plumbing site in sequence, connecting each one to the pipe joint pipe to complete the continuous pipe as a whole.

There are many joint pipes used for joint connection of pipes according to the prior art, and as shown in FIG. 1, for example, as disclosed in Korean Utility Model Registration No. 157456, as shown in FIG. In order to provide a joint pipe in which the inlet is cut and the joint is pressurized and coupled, and the joint pipe is easy to be assembled and replaced based on the pressure connection structure by simple screwing, and the replacement pipe is easy to maintain. The structure of the joint pipe which can branch or connect the tube by pressurizing the cut-out part by forming the cut-out part at the end of the joint pipe having the diameter of hostile and inserting the airtight seal to insert the Is disclosed.

However, in the joint pipe according to the prior art, since no variable structure is formed in the joint pipe, uneven settlement in the soft ground that occurs after the pipe connection construction, expansion and contraction due to thermal expansion, dead load and live load due to live load, etc. If this action can not absorb the impact, there is a problem that damage occurs in the joint pipe or the pipe portion when a load greater than the rigidity of the joint portion is applied.

Accordingly, an object of the present invention for solving the above-mentioned problems is to provide a pipe joint member capable of absorbing impacts such as uneven settlement in soft ground, expansion and contraction due to thermal expansion, dead load, and overload due to live load. To provide.

Objects of the present invention as described above are formed in the joint pipe can be inserted into one end of the other end of the pipe can be inserted, the settled groove formed by winding the inner circumference of the socket portion, and is placed in the settle groove The inner periphery is achieved by a mounting pipe with a separation prevention ring characterized in that the mounting surface is formed in the inclined surface deepening in the direction in which the other pipe is inserted, and the separation prevention ring that can slide along the inclined surface of the mounting.

In addition, the release preventing ring is formed with a plurality of pressing projections on the surface in contact with the outer periphery of the other pipe is inserted into an open shape, the side facing the end of the other pipe to be inserted is preferably composed of a curved surface.

In addition, the cradle is provided with a control border on the other side is inserted, characterized in that the inclined surface is formed in connection with the control border.

In addition, the cradle is a ring-shaped open one side is preferably a plurality of protruding end is formed on the outer periphery.

In addition, a control jaw is formed at the inner circumference of the socket part to control the insertion of the other pipe, and an interlocking space part may be configured between the control jaw and the settling groove so that the end of the other pipe can be interlocked.

In addition, the inner periphery of the socket portion is preferably a packing groove is configured so that the packing can be placed.

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

First, Figure 2 is a perspective view showing a state in which the fitting pipe of the present invention is installed, Figure 3 is a side cross-sectional view showing an installed state of the present invention shown in Figure 2, Figure 4 is a configuration in the present invention shown in Figure 2 5A and 5B are perspective and side cross-sectional views showing a cradle which is a component in the present invention shown in FIG. 2, and FIG. 6 is a packing which is a component in the present invention. Fig. 7A is a side cross-sectional view showing a state before the other pipe is inserted in the present invention, Fig. 7B is a side cross-sectional view showing a state in which the other pipe is inserted in the present invention, and Fig. 7C is an external pipe in the present invention. A side cross-sectional view showing a state in which a tensile force acts on the valve and is reversely inserted.

The present invention relates to a joint pipe in which one end of the other pipe 20 can be inserted by integrally forming the socket part 100 at one end of the pipe 10 as shown in FIG. 2.

First, referring to each component of the present invention, as shown in Figure 3, the inner peripheral portion of the socket portion 100 of the present invention is formed with a settled groove 110 formed by winding the inner circumference.

The holder 120 is attached to the settling groove 110, the holder 120 is the outer periphery is attached to the settling groove 110, as shown in Figure 3, the direction in which the other pipe is inserted into the inner periphery The inclined surface 121 is deepened.

In addition, the cradle 120 is provided with a control border 122 at the end of the inclined surface 121 toward the side into which the other pipe is inserted as shown in Figure 5a and 5b is configured to control the slide of the separation prevention ring 200. .

In addition, the cradle is configured in such a way that one side is opened in a ring shape as shown in Figure 5b can be mounted to the settling groove 110 by elasticity.

A plurality of protrusions 123 are formed at the outer periphery of the holder, and the protrusions 123 are integrally protruded from the outer periphery as shown in FIG. 5B and inserted into the outer periphery in the case of pressurization by elastic force. When the pressure is released, it is configured to be able to return to the original projecting state again. When the protruding end 123 is configured so that the holder 120 is mounted to the settling groove 110, the separation prevention ring slid from the inclined surface 121 of the holder 120 by the elastic force of the protruding end 123 ( As the pressure continuously acts on the 200, it is possible to reinforce the connection force with the other pipe 20 which is in contact with the inner circumference of the separation prevention ring 200.

In addition, as the inclined surface 121 is formed, the holder 120 is configured in a shape that deepens in the opposite direction from the inlet direction of the socket portion 100, as shown in Figure 3, by configuring so as to leave the separation prevention ring (to be described below) Before the other pipe is inserted, the socket portion 100 maintains the state protruding on the inner circumference. As the other pipe is naturally inserted, the anti-separation ring 200 slides on the inclined surface 121 and the inner diameter of the anti-separation ring 200 increases. The outer circumference of the other tube 20 is inserted into the inner circumference.

The cradle 120 is preferably made of a material having elasticity such as plastic so that the cradle 120 can absorb the pressure of the release preventing ring 200 by the insertion of the other pipe.

In the inner circumference of the socket part 100, as shown in FIG. 3, a control jaw 130 is formed at the end of the socket part 100, and the insertion of the other tube 20 is controlled by the configuration of the control jaw 130. Will be.

An interlocking space 140 formed by the control jaw 130 and the control wall 111 is formed between the control jaw 130 and the settling groove 110, that is, as shown in FIG. 3. When the interlocking space portion 140 is formed by the formation of the interlocking space after the pipe joint construction, the other pipe 20 inserted in the interlocking space portion 140 is configured to be interlocked to act on the pipe joint part. It will be able to absorb the shock.

The release prevention ring 200 is configured to be expanded and stretched by the inner circumference by elastic force by configuring one side to open in a ring shape as shown in FIG. A cross-sectional shape of the release prevention ring 200 is formed with a plurality of pressing projections 210 on the surface in contact with the outer circumference of the other pipe is inserted, as shown in Figure 3, the pressing projection 210 is configured in a triangular shape 3 and 4, the inclined gradient is formed in the opposite direction from the inlet side of the socket part 100 in the state in which it is installed on the holder 120, and at least one is formed at a right angle at the inclined end to be inserted into the other pipe. In this case, it is to be easily inserted, and when the inserted other tube is reversely inserted by the action of the tension force, the reverse insertion is controlled by the frictional force of the pressing protrusion 210. In addition, the surface facing the end of the other tube 20 in the separation prevention ring 200 is preferably composed of a curved surface (220). By this configuration, the other tube 20 is configured to be easily inserted. In addition, the opposite surface of the curved surface 220 is composed of a plane 230, as shown in Figure 6b the separation prevention ring 200 is inserted from the inclined surface 121 of the holder 120 in accordance with the insertion of the other pipe 20. The plane 230 is configured to slide in contact with the control wall 111 of the settling groove 110.

The release prevention ring 200 is made of stainless material to give elasticity as well as to prevent rust even when in contact with moisture is reasonable.

In the inner circumference of the socket part 100, the packing groove 150 may be further configured so that the packing 300 may be placed.

The packing 300 is configured in a ring shape as shown in Figure 6, the cross-sectional shape is a plurality of control projections 310 on the surface in contact with the outer periphery of the other pipe 20 is inserted as shown in FIG. The control protrusion 310 is configured in a triangular shape but as shown in Figure 3 and 6 in the state installed in the packing groove 130 inclined gradient is formed in the opposite direction from the inlet side of the socket portion 100 is inclined At least one is formed in a shape perpendicular to the end to be inserted easily when the other pipe is inserted, if the inserted pipe is reversely inserted by the action of the tension force so that the reverse insertion is controlled by the friction of the control protrusion 310 It is composed.

Hereinafter, the operating state of the present invention will be described with reference to FIGS. 7A to 7C.

As shown in FIG. 7A, before the other tube is inserted, the release preventing ring 200 is mounted on the joint portion of the inclined surface 121 and the control rim 122 on the inner circumference of the socket part 100. The release prevention ring 200 is maintained in a protruding state. Therefore, it is preferable that the departure preventing ring 200 is configured to have the outer diameter equal to the inner diameter of the joint portion of the inclined surface 121 and the control rim 122 in a state where no force is given. The width of the ring 200 should be configured to be larger than the width from the junction of the inclined surface 121 and the control border 122 to the surface of the inner circumference of the socket portion 100.

Then, when the other pipe 20 is inserted, the curved surface 220 of the departure prevention ring 200 and the inclined surface 21 of the other pipe 20 are first contacted, and the separation prevention ring 200 is pushed by the pushing force of the other pipe 20. ) Slides along the inclined surface 121 formed on the cradle 120 while the outer periphery of the other pipe 20 and the pressing protrusion 210 formed on the separation prevention ring 200 are in contact with each other. The release prevention ring 200 according to the insertion of the other pipe in the state in which the pressing protrusion 210 formed on the release preventing ring 200 and the outer circumference of the other pipe is in contact with each other, as shown in FIG. 7B. The release preventing ring 200 is slid until the plane 230 of the ring 200 abuts.

As described above, the pipe fitting operation is completed by the pressurization of the pressing protrusion 210 formed in the release preventing ring 200 and the packing 300 placed in the packing groove 130 only by inserting the other pipe, while maintaining the watertightness. Will be.

In addition, when the present invention is installed and the tube is inserted into the other pipe due to the loading load, temperature change, etc. in the state of the pipe joint as shown in Figure 7b, as shown in Figure 7c the other pipe 20 and the separation prevention ring 200 is simultaneously slid by the frictional force of the pressing protrusion 210 formed on the separation prevention ring (200). By doing so, it is possible to naturally accommodate the tensile force acting on the other pipe 20 to prevent cracks that may occur in the other pipe or the joint.

However, even if the reverse insertion of the other pipe 20 to some extent as described above, it is to be prevented that the other pipe 20 is completely separated from the socket portion 100, the other pipe and the separation prevention ring 200 in the present invention. ) Slides to some degree at the same time and naturally pressurizes the release preventing ring 200 in the configuration of the inclined surface 121, and thus the pressing protrusion 210 presses the outer periphery of the other pipe 20 by the pressing protrusion 210 and The reverse insertion of the other pipe 20 is controlled by the friction force of the other pipe 20 to prevent the other pipe 20 from being separated from the socket part 100.

In addition, the other tube 20 is prevented from being separated from the socket part 100 by the control protrusion 310 formed on the packing 300 as well as the pressurization of the pressing protrusion 210.

As mentioned above with reference to FIGS. 7A to 7C, even when the tension is applied to the other pipe by external factors such as a temperature change after construction, the pipe absorbs the tensile force at the joint by the present invention. It is possible to prevent cracks and the like that may occur in the joint portion and the tubular body. Further, even when the other pipe is inserted, the separation preventing ring 200, the inclined surface 121 of the holder 120, and the packing 300 may be formed. Due to the configuration, the other tube 20 can be prevented from being completely separated from the socket part 100.

In the present invention configured as described above, there is an advantage in that the pipe joint construction is easy without requiring additional equipment.

In particular, due to the configuration of the separation prevention ring, the clamping force of the pipe joint is given, and the other piped joints are not separated from the expansion and contraction, which may occur due to uneven settlement, dead load (live load, live load), and temperature change in the soft ground after pipe joint construction. There is an advantage that can be configured to be absorbed in the range.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the technical spirit of the present invention. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

Claims (6)

delete delete In the joint pipe to which one end of the other pipe 20 can be inserted by forming the socket part 100 at one end of the pipe 10, A settling groove 110 formed by winding an inner circumference of the socket portion 100; A cradle 120 which is settled in the settling groove 110 and has an inclined surface 121 deepened in a direction in which the other tube 20 is inserted at an inner circumference thereof; Characterized in that the separation prevention ring 200 is provided that can slide along the inclined surface 121 of the cradle 120, The cradle 120 is provided with a control border 122 on the side in which the other tube 20 is inserted, the joint with a separation prevention ring characterized in that the inclined surface 121 is formed in connection with the control border 122. tube. The method of claim 3, The cradle (120) is a ring-shaped open one side, the outer periphery is provided with a separation prevention ring, characterized in that a plurality of protruding end (123) is formed. In the joint pipe to which one end of the other pipe 20 can be inserted by forming the socket part 100 at one end of the pipe 10, A settling groove 110 formed by winding an inner circumference of the socket portion 100; A cradle 120 which is settled in the settling groove 110 and has an inclined surface 121 deepened in a direction in which the other tube 20 is inserted at an inner circumference thereof; Characterized in that the separation prevention ring 200 is provided that can slide along the inclined surface 121 of the cradle 120, A control jaw 130 is formed at the inner circumference of the socket part 100 to control the insertion of the other tube 20, and an end of the other tube 20 is interlocked between the control jaw 130 and the settling groove 110. Joint pipe provided with a separation prevention ring, characterized in that the interlocking space portion 140 is configured. The method according to any one of claims 3 to 5, The inner periphery of the socket portion 100, the packing groove 150 is further provided with a separation prevention ring, characterized in that the packing 300 is configured to be settled.

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