KR100900212B1 - Connector for pipe - Google Patents

Abstract

A conduit connection device is provided to block external fluid communication of a conduit by increasing the water-tightness of a pipe line connection of the cylindrical shape. A conduit connection device comprises: an inner circumference fixed to the outer circumference of one side conduit(101) with a heat-welding mode; a screw part(211) formed on the outer circumference; a reference member(210) in which a manipulation part for the waste paper is formed in order to be close to the screw part; and a fixing member(220) fixed at the outer circumference of the other side conduit(102) while inserted between the inner circumference of the reference member and the outer circumference of the other side conduit.

Description

CONNECTOR FOR PIPE}

The present invention relates to a pipe connecting device, and more particularly, to enhance the airtightness and watertightness of the cylindrical pipe connection portion, such as water and sewage pipe, rainwater pipe, gas pipe, oil pipe and wire storage pipe, etc. It relates to a pipeline connection device to block the communication as much as possible.

As is known in the art of connecting two or more pipes (pipes), that is, socket type, heat shrinkage type, fusion type, etc. are well known and commonly used.

However, as described in the applicant's Korean Patent Registration No. 0562782, the socket type, the heat shrink type, and the fusion type have many disadvantages in use, and in order to improve these disadvantages, the applicant is easy to connect and connect the pipes in the registered patent. In addition, the company introduced a pipe connection device that is robust, improves watertightness, and requires less labor and cost.

The pipe connecting device introduced in the applicant's patent No. 0562782 will be briefly described with reference to FIGS. 1 and 2.

The pipe connecting device of the above patent is a pair of fixing members 30 and 40 that are fitted to each end of the corresponding pipes and fixed to one of these fixing members, the other side of the fixing member is coupled to the corresponding Consists of a fastening member 50 for fastening.

Of these fixing members, the first fixing member 40 has a protrusion 42 formed at one end thereof, and the second fixing member 30 has a concave portion 33 formed at one end thereof. When the connection between the second fixing member 40 and the second member 30, the recess 33 is shown in the connection form is inserted into the contact portion 42 close.

In addition, the second fixing member 30 is formed with a first threaded portion 31 on the outer circumferential surface, and the fastening member 50 has a second threaded portion 51 formed on the inner circumferential surface of these screw portions 31 and 51. The coupling between the first fixing member 40 and the second fixing member 30 is made.

On the other hand, the O-ring member 60 is provided between the first fixing member 40 and the second fixing member 30 to perform watertight or airtight action.

The use of the pipe connecting device shown in FIGS. 1 and 2 having such a configuration may be achieved by the use of the first fixing member 40 and the second fixing member 30 coupled to respective ends of the corresponding pipes 10 and 20. After inserting the o-ring member 60 therebetween, the second fixing member 30 and the second fixing member 30 are rotated by rotating the fastening member 50 which is fixed to the locking portion 41 of the first fixing member 40. In this case, the first screw part 31 of the second fixing member 30 and the second screw part 51 of the fastening member 50 are engaged with each other to be fixed in a screwing form.

According to the pipe connection device of Patent No. 0562782 as described above, the connection work is simpler than the conventional socket type, heat shrinking type, fusion type, etc., which can significantly reduce the work maneuver, and also greatly reduce the cost required for installation. In addition, the pipe connecting device can prevent leakage at the connecting part of the pipe, especially when the water supply increases rapidly, such as during flooding, and even if a large pressure is applied to the inside of the pipe, the connecting part of the pipe easily breaks. Can be completely prevented.

On the other hand, in the case of all the connection devices for a long time used to loosen the connection site, the possibility of water leakage through the micro-gap of this loose connection site will not be completely excluded.

In particular, in the above-described patent invention, since the pipe connection structure is provided by a screw coupling method, the connection state of the pipe is gradually decreased due to the corrosion of the connection device or the water pressure acting on the connection part. It may come loose, thus causing leaks in the pipe connection part of the connecting device.

The present invention has been made to solve the above problems, even if corrosion occurs in the site connecting the one side and the other side of the pipe or the tightening state is somewhat loose, maintaining the airtightness and watertightness to maintain the internal and external communication of the pipe connection part It is an object of the present invention to provide a pipeline connection device that can be restrained as much as possible.

According to an aspect of the present invention for achieving the above object, a pipe connecting device for connecting the corresponding one side pipe and the other side pipe, each having an inner peripheral surface extending to the one side pipe and the other side pipe side, and extends to the one side pipe side The inner circumferential surface is fixed to the outer circumferential surface of the one side conduit, the reference member is formed on the outer circumferential surface of the inner circumferential surface extending to the other side conduit, the screw portion is formed to enable the screw coupling, the operation unit for holding to be adjacent to the screw portion; And a fixing member inserted between an inner circumferential surface extending toward the other side conduit side of the reference member and an outer circumferential surface of the other side conduit, and having an inner circumferential surface fixed to the outer circumferential surface of the other side conduit.

In a first embodiment, the inner circumferential surface of the fixing member is fixed in a heat fusion manner from the end of the other side conduit to a predetermined length of the outer circumferential surface, and the outer circumferential surface of the fixing member reaches a predetermined length in the other direction from the center of the inner circumferential surface of the reference member. It is characterized in that it is fixed by the electric heating fusion method.

In a second embodiment, the screw is coupled to the reference member, the locking member is provided with a rotation freely provided to be coupled to the reference member in a state locked to the airtight packing means fixed to the outer peripheral surface of the other side pipe. The fastening member may include a screw part configured to be coupled to the screw part of the reference member on an inner circumferential surface thereof, and an operation part configured to enable rotational pressurization by gripping when engaging the reference member by tightening on an outer circumferential surface thereof. do.

The control member of the reference member and the fastening member is provided with a holding projection on the outer peripheral surface to enable rotational pressing for tightening coupling, the fastening member corresponding to the operation unit to maintain the state locked to the airtight packing means A locking protrusion is provided at an end of the locking member, and a locking key is provided on an outer circumferential surface of the reference member so as to prevent disconnection of the reference member and the fastening member corresponding to each other. A locking protrusion is formed to maintain a locked state, and the locking key is a slide inclined surface to allow the locking protrusion to slide in a locking direction when the reference member and the fastening member are coupled to each other, and rotation of the locking protrusion in a release direction. A locking end face positioned on a corresponding side of the slide inclined surface to block the 'C' shaped resilient portion inserted into the fitting groove at the lower side of the inclined surface and the engaging cross section, and pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section to lock the locking projection and the engaging cross section. And a pressing part configured to be released, wherein the reference member includes the fitting groove into which the locking key is inserted and fixed on the boundary between the operation part and the screw part, and the slide inclined surface and the locking cross section are integrated on one side of the locking key. Characterized in that provided.

The airtight packing means is a plurality of first rectangular ring arranged in sequence along the longitudinal direction of the other side, the outer peripheral surface of the other side, the inner peripheral surface of the reference member, and the end of the fixing member, respectively; A rubber ring contacting an end of the first square ring, an outer circumferential surface of the other conduit, an end of the reference member, and an inner circumferential surface of the fastening member, an end of the rubber ring, an outer circumferential surface of the other conduit, an inner circumferential surface of the fastening member, And a second square ring contacting the inner circumferential surface of the locking projection in the fastening member, respectively.

The third embodiment further includes a rubber ring which is an airtight packing means provided between the reference member and the fixing member, wherein the rubber ring is inserted into a groove formed at an end portion of the outer peripheral surface of the fixing member so as to have an inner circumferential surface of the reference member. It is characterized in that the contact with the center.

The fourth embodiment is characterized in that the inner circumferential surface and the outer circumferential surface of the fixing member are fixed in an electric heat fusion method up to a predetermined length of the outer circumferential surface of the other side conduit and the inner circumferential surface of the reference member.

The fifth embodiment further includes a fastening member which is screwed to the reference member and is freely rotatable to be coupled to the reference member in a state of being caught by an airtight packing means fixed to the outer circumferential surface of the other side conduit. The fastening member may include a screw part configured to be coupled to the screw part of the reference member on an inner circumferential surface thereof, and an operation part configured to enable rotational pressurization by gripping when engaging the reference member by tightening on an outer circumferential surface thereof. do.

The control member of the reference member and the fastening member is provided with a holding projection on the outer peripheral surface to enable rotational pressing for tightening coupling, the fastening member corresponding to the operation unit to maintain a state of being locked to the airtight packing means A locking protrusion is provided at an end of the locking member, and a locking key is provided on an outer circumferential surface of the reference member so as to prevent disconnection of the reference member and the fastening member corresponding to each other. A locking protrusion is formed to maintain a locked state, and the locking key is a slide inclined surface to allow the locking protrusion to slide in a locking direction when the reference member and the fastening member are coupled to each other, and rotation of the locking protrusion in a release direction. A locking end face positioned on a corresponding side of the slide inclined surface to block the 'C' shaped resilient portion inserted into the fitting groove at the lower side of the inclined surface and the engaging cross section, and pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section to lock the locking projection and the engaging cross section. And a pressing part configured to be released, wherein the reference member includes the fitting groove into which the locking key is inserted and fixed on the boundary between the operation part and the screw part, and the slide inclined surface and the locking cross section are integrated on one side of the locking key. Characterized in that provided.

The hermetic packing means is characterized in that the rubber ring in contact with the outer circumferential surface of the other conduit, the end of the fixing member, the inner circumferential surface of the fastening member, and the inner circumferential surface of the locking projection in the fastening member.

In the sixth embodiment, the inner circumferential surface and the outer circumferential surface of the fixing member are fixed in an electric heat fusion method up to a predetermined length of the outer circumferential surface of the other side conduit and the inner circumferential surface of the reference member, and the airtightness is formed between the reference member and the fixing member. The rubber ring and the square ring as the packing means are sequentially arranged along the lengthwise direction of the other pipe.

The rubber ring is in contact with the outer circumferential surface of the other conduit, the end and the inner circumferential surface of the reference member, respectively, and the square ring is the end of the rubber ring, the outer circumferential surface of the other conduit, the inner circumferential surface of the reference member, and the end of the fixing member It is characterized by touching each.

The seventh embodiment further includes a fastening member which is screwed to the reference member but is freely rotated so as to be coupled to the reference member in a state of being caught by an airtight packing means fixed to the outer circumferential surface of the other side conduit. The fastening member may include a screw part configured to be coupled to the screw part of the reference member on an inner circumferential surface thereof, and an operation part configured to enable rotational pressurization by gripping when engaging the reference member by tightening on an outer circumferential surface thereof. do.

The control member of the reference member and the fastening member is provided with a holding projection on the outer peripheral surface to enable rotational pressing for tightening coupling, the fastening member corresponding to the operation unit to maintain the state locked to the airtight packing means A locking protrusion is provided at an end of the locking member, and a locking key is provided on an outer circumferential surface of the reference member so as to prevent disconnection of the reference member and the fastening member corresponding to each other. A locking protrusion is formed to maintain a locked state, and the locking key is a slide inclined surface to allow the locking protrusion to slide in a locking direction when the reference member and the fastening member are coupled to each other, and rotation of the locking protrusion in a release direction. A locking end face positioned on a corresponding side of the slide inclined surface to block the 'C' shaped resilient portion inserted into the fitting groove at the lower side of the inclined surface and the engaging cross section, and pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section to lock the locking projection and the engaging cross section. And a pressing part configured to be released, wherein the reference member includes the fitting groove into which the locking key is inserted and fixed on the boundary between the operation part and the screw part, and the slide inclined surface and the locking cross section are integrated on one side of the locking key. Characterized in that provided.

The hermetic packing means is characterized in that the rubber ring in contact with the outer circumferential surface of the other conduit, the end of the fixing member, the inner circumferential surface of the fastening member, and the inner circumferential surface of the locking projection in the fastening member.

In the eighth and thirteenth embodiments, the airtight packing means is arranged in a plural number along the longitudinal direction of the other conduit, the outer circumferential surface of the other conduit, the inner circumferential surface of the reference member, and the end of the fixing member. And a refraction ring having a three-dimensional shape each in contact with the first rubber ring, the end of the first rubber ring, the outer circumferential surface of the other conduit, the inner circumferential surface and the end of the reference member, and the inner circumferential surface of the fastening member, respectively, An end of the ring, the outer circumferential surface of the other conduit, the inner circumferential surface of the fastening member, and the second rubber ring in contact with the inner circumferential surface of the locking projection in the fastening member, respectively.

In a ninth embodiment, the inner circumferential surface of the fixing member is fixed in a heat fusion manner from the end of the other side conduit to the outer circumferential surface, the outer circumferential surface of the fixing member is in contact with the inner circumferential surface of the reference member, and the reference member and the fixing At least one rubber ring, which is an airtight packing means, is provided between the members.

The rubber ring is inserted into a groove formed at an end of the outer circumferential surface of the fixing member to be in contact with the center of the inner circumferential surface of the reference member.

The screw is coupled to the reference member, the locking member further includes a fastening member which is freely rotatable to be coupled to the reference member in a state locked to the airtight packing means fixed to the outer circumferential surface of the other side pipe, the fastening member is the inner peripheral surface It characterized in that it comprises a screw portion to enable the screw portion and the screw coupling of the reference member, and the outer peripheral surface is provided with an operation portion to enable rotational pressing by holding when coupled with the reference member by tightening.

The control member of the reference member and the fastening member is provided with a holding projection on the outer peripheral surface to enable rotational pressing for tightening coupling, the fastening member corresponding to the operation unit to maintain the state locked to the airtight packing means A locking protrusion is provided at an end of the locking member, and a locking key is provided on an outer circumferential surface of the reference member so as to prevent disconnection of the reference member and the fastening member corresponding to each other. A locking protrusion is formed to maintain a locked state, and the locking key is a slide inclined surface to allow the locking protrusion to slide in a locking direction when the reference member and the fastening member are coupled to each other, and rotation of the locking protrusion in a release direction. A locking end face positioned on a corresponding side of the slide inclined surface to block the 'C' shaped resilient portion inserted into the fitting groove at the lower side of the inclined surface and the engaging cross section, and pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section to lock the locking projection and the engaging cross section. And a pressing portion configured to be released, wherein the reference member includes the fitting groove into which a locking key is inserted and fixed on a boundary between the operation portion and the screw portion, and the slide inclined surface and the engaging cross section are provided on one side of the locking key. Characterized in that it is provided integrally.

The airtight packing means is arranged in a plurality along the longitudinal direction of the other conduit in plural, a square ring in contact with the outer circumferential surface of the other conduit, the inner circumferential surface of the reference member, and the end of the fixing member, respectively, An end, an outer circumferential surface of the other conduit, and a rubber ring in contact with an inner circumferential surface of the reference member, respectively, an end of the rubber ring, an outer circumferential surface of the other conduit, an inner circumferential surface and an end of the reference member, and an inner circumferential surface of the fastening member, and the The fastening member is characterized in that it consists of a refractive ring having a three-dimensional shape in contact with the inner peripheral surface of the locking projection.

In a tenth embodiment, the rubber ring is inserted into a groove formed at an end portion of the outer peripheral surface of the fixing member to contact a central portion of the inner peripheral surface of the reference member, and is inserted into a groove formed along the longitudinal direction of the outer peripheral surface of the fixing member. And a second rubber ring in contact with the inner circumferential surface of the reference member.

The eleventh embodiment is characterized in that the rubber rings are first and second rubber rings inserted into two grooves formed along the outer circumferential surface of the fixing member and contacting the inner circumferential surface of the reference member, respectively.

The tenth and eleventh embodiments further include a fastening member which is screwed to the reference member, the rotation member being freely rotated to allow the reference member to be coupled to the reference member and the end of the fixing member. The fastening member may include a screw part configured to be coupled to the screw part of the reference member on an inner circumferential surface thereof, and an operation part configured to enable rotational pressure by gripping when engaging the reference member by tightening on an outer circumferential surface thereof. do.

The operation members of the reference member and the fastening member are provided with a gripping protrusion on the outer circumferential surface to enable rotational pressing for fastening and coupling, and the fastening member is held at an end of the reference member and the fixing member. A locking protrusion is provided at an end of the corresponding direction, and a locking key is provided on an outer circumferential surface of the reference member so as to prevent disconnection of the reference member and the fastening member corresponding to each other. A locking protrusion is formed to maintain a locking state with the locking key, and the locking key is a slide inclined surface to allow the locking protrusion to slide in a locking direction when the reference member and the fastening member are coupled to each other, and the locking key to the locking key. The locking cross section located on the corresponding side of the slide inclined surface to block the rotation of the locking projection In comparison, the 'c' shaped resilient portion inserted into the fitting groove under the slide inclined surface and the engaging cross section, and the locking projection and the engaging cross section by pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section. And a pressing portion configured to release a locking state of the locking member, wherein the reference member includes the fitting groove into which the locking key is inserted and fixed on a boundary between the operation portion and the screw portion, and the slide inclined surface and the locking cross section of the locking key Characterized in that integrally provided on one side.

In a twelfth embodiment, the inner circumferential surface of the fixing member is fixed by a screw fastening method up to a predetermined length of the outer circumferential surface of the other side conduit, and the outer circumferential surface of the fixing member is in contact with the inner circumferential surface of the reference member, and the reference member and the other side At least one rubber ring, which is an airtight packing means, is provided between the conduits, and at least one key is provided between the reference member and the fixing member to preset the fastening limit of the fixing member.

In a fourteenth embodiment, a recessed portion or a convex portion is formed on an inner circumferential surface of the fixing member, and a corresponding portion having a shape corresponding to being inserted into the recess or inserted into the concave portion is formed on the other side passage, and an outer circumferential surface of the fixing member is defined by At least one rubber ring, which is in contact with the inner circumferential surface of the member and is provided between the reference member and the other conduit, is an airtight packing means.

In the twelfth and fourteenth embodiments, the rubber ring is inserted into a groove formed in the center of the inner circumferential surface of the reference member to be in contact with the other conduit.

The screw is coupled to the reference member, the locking member further includes a fastening member which is freely rotatable to be coupled to the reference member in a state locked to the airtight packing means fixed to the outer circumferential surface of the other side pipe, the fastening member is the inner peripheral surface It characterized in that it comprises a screw portion to enable the screw portion and the screw coupling of the reference member, and the outer peripheral surface is provided with an operation portion to enable rotational pressing by holding when coupled with the reference member by tightening.

The control member of the reference member and the fastening member is provided with a holding projection on the outer peripheral surface to enable rotational pressing for tightening coupling, the fastening member corresponding to the operation unit to maintain the state locked to the airtight packing means A locking protrusion is provided at an end of the locking member, and a locking key is provided on an outer circumferential surface of the reference member so as to prevent disconnection of the reference member and the fastening member corresponding to each other. A locking protrusion is formed to maintain a locked state, and the locking key is a slide inclined surface to allow the locking protrusion to slide in a locking direction when the reference member and the fastening member are coupled to each other, and rotation of the locking protrusion in a release direction. A locking end face positioned on a corresponding side of the slide inclined surface to block the 'C' shaped resilient portion inserted into the fitting groove at the lower side of the inclined surface and the engaging cross section, and pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section to lock the locking projection and the engaging cross section. And a pressing part configured to be released, wherein the reference member includes the fitting groove into which the locking key is inserted and fixed on the boundary between the operation part and the screw part, and the slide inclined surface and the locking cross section are integrated on one side of the locking key. Characterized in that provided.

The airtight packing means is arranged in a plurality along the longitudinal direction of the other conduit in plural, a square ring in contact with the outer circumferential surface of the other conduit, the inner circumferential surface of the reference member, and the end of the fixing member, respectively, An end, an outer circumferential surface of the other conduit, and a rubber ring in contact with an inner circumferential surface of the reference member, respectively, an end of the rubber ring, an outer circumferential surface of the other conduit, an inner circumferential surface and an end of the reference member, and an inner circumferential surface of the fastening member, and the The fastening member is characterized in that it consists of a refractive ring having a three-dimensional shape in contact with the inner peripheral surface of the locking projection.

Among the above-described embodiments, the electric heating fusion method may include the electric heating fusion method, wherein a conductive electric wire wrapped with a synthetic resin coating material is wound on the outer circumferential surface of the fixing member several times, or the outer circumferential surface and the inner circumferential surface of the fixing member. When the electric wire is wound several times or the electric wire is wound several times inside the fixing member, both ends of the electric wire are electrically connected to an overcurrent application device, and when a current is applied to the electric line from the overcurrent application device, The fixing member may be melted due to heat generated while the coating material of the synthetic resin is melted to be fused with the other side pipe, or the other side pipe and the reference member.

The present invention relates to a pipe connecting device, the inner circumferential surface is fixed to the outer circumferential surface of the one side of the pipeline by a heat fusion method, the outer circumferential surface is formed with a screw portion to enable a screw coupling, the reference member is formed with a gripping operation portion adjacent to the screw portion And, it is inserted between the inner circumferential surface of the reference member and the outer circumferential surface of the other side pipe, and the inner circumferential surface includes a fixing member fixed to the outer circumferential surface of the other side pipe, the corrosion occurs or tightening the site connecting one side and the other side pipe Even if the condition is somewhat loosened, the airtightness and watertightness can be maintained continuously, thereby having an excellent effect of restraining internal and external communication of the pipeline connection as much as possible.

The embodiments of the present invention described below have the above-described effects in common, and the side effects caused by the structural differences according to the embodiments will be specifically described with reference to the respective embodiments.

Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the pipe connecting device according to the present invention.

3 to 15, and 19 and 20 as the pipe connecting device of the present invention, the device 100 securely maintains the airtightness of one side pipe 101 and the other side pipe 102 corresponding to each other. To connect.

The pipeline connection device 100 includes a reference member 210 and the fixing member 220.

First, the reference member 210 has its inner circumferential surface fixed to the outer circumferential surface of one side conduit in a heat fusion method.

For reference, reference numeral 'A' denotes a heat fusion portion.

And the outer circumferential surface of the reference member 210 is formed with a screw portion 211 to enable the screw coupling, it is preferable that the gripping operation unit 212 is formed to be adjacent to the screw portion 211.

The fixing member 220 is inserted between the inner circumferential surface of the reference member 210 and the outer circumferential surface of the other conduit 102. The fixing member 220 is preferably the inner peripheral surface is fixed to the outer peripheral surface of the other side pipe (102).

The present invention is a variety of embodiments that are structurally modified to ensure the confidentiality of the one side pipe 101 and the other conduit 102 while necessarily including the necessary components such as the reference member 210 and the fixing member 220 below I will introduce them sequentially. In the following description will be mainly focused on the configuration added or modified in the above-described basic structure.

(First embodiment)

3 is a cross-sectional view illustrating a first embodiment of a pipe connecting apparatus according to the present invention.

As shown in FIG. 3, the pipe connecting device 100 according to the present embodiment includes the reference member 210 and the fixing member 220.

In an embodiment, the inner circumferential surface of the fixing member 220 is fixed in a heat fusion manner from an end of the other conduit 102 to a predetermined length of the outer circumferential surface.

Reference numeral 'B' denotes a heat fusion portion.

In addition, the outer circumferential surface of the fixing member 220 is fixed in an electric heating fusion method from the center of the inner circumferential surface of the reference member 210 to a predetermined length in the other direction (the other conduit 102 side). Reference numeral 'C' denotes an electric heating fusion portion.

Here, the electric heating fusion method is made in the following order.

First, a spiral groove 301 is formed on the outer circumferential surface of the fixing member 220.

Thereafter, the conductive wire 303 wound around the spiral groove 301 formed on the outer circumferential surface of the fixing member 220 is covered with synthetic resin covering material 302 several times.

In the state in which the electric wire 303 is wound as described above, both ends 304 and 305 of the electric wire 303 are electrically connected to an overcurrent applying device (not shown).

Subsequently, when a current is applied to the electric wire 303 from the overcurrent application device, the fixing member 220 is firmly fused and fixed to the other conduit 102 while melting the coating material of the synthetic resin.

In this embodiment, the micro-gap between the reference member 210 and the fixing member 220 is completely sealed by heat fusion and electric heating fusion so that the fluid flowing inside the one-way pipe 101 and the other-side pipe 102 is outward. There is a definite effect of preventing leakage.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material among the synthetic resin materials.

(Second embodiment)

4 is an exploded perspective view showing a second embodiment of a pipe connecting apparatus according to the present invention, Figure 5 is a cross-sectional view of the combination of FIG.

As shown in Figure 4 and 5, the pipe connecting device 100 according to the present embodiment includes the reference member 210 and the fixing member 220.

In addition, the present embodiment, like the first embodiment, the inner circumferential surface of the fixing member 220 is fixed in a heat fusion method from the end of the other conduit 102 to a predetermined length of the outer circumferential surface and the outer circumferential surface of the fixing member 220 is a reference. It is fixed by the electric heating fusion method from the center of the inner peripheral surface of the member 210 to the predetermined length in the other direction (the other side pipeline 102 side). Please refer to the description of the first embodiment for this electric heating fusion method.

For reference, reference numeral 'B' denotes a heat fusion portion, and reference numeral 'C' denotes an electric heating fusion portion.

In addition, the present embodiment further includes a fastening member 230 for screwing the reference member 210.

Specifically, it is preferable that the fastening member 230 is freely rotated so as to be coupled to the reference member 210 in a state of being locked to the airtight packing means 401, 402, 403 fixed to the outer circumferential surface of the other conduit 102. .

Here, the specific configuration and operation of the hermetic packing means (401, 402, 403) will be described in detail below.

The fastening member 230 is a screw portion 231 to allow the screw portion 211 and the screw coupling of the reference member 210 on the inner circumferential surface, the outer circumferential surface is held in engagement with the reference member 210 by tightening the rotation and pressure It is preferable to provide the operation part 232 which enables it.

In addition, in the present embodiment, the manipulation members 212 and 232 of the reference member 210 and the fastening member 230 are preferably provided with gripping protrusions 213 and 233 on the outer circumferential surface to enable rotational pressing for tightening coupling.

The fastening member 230 is provided with a locking protrusion 234 at the end of the direction corresponding to the operation portion 232 thereof to maintain the locked state in the airtight packing means (401, 402, 403).

In addition, a lock key (refer to FIG. 16 and 240) is provided on an outer circumferential surface of the reference member 210 to prevent release of the corresponding reference member 210 and the fastening member 230 from each other. It is preferable that a locking protrusion 235 is formed at an upper end of the inner circumference to maintain a locking state with the locking key 240.

Here, as shown in FIG. 16, the locking key 240 includes a slide inclined surface 241 which allows the locking protrusion 235 to rotate in the locking direction when the reference member 210 and the fastening member 230 are coupled to each other. And a locking end face 242 located on a corresponding side of the slide inclined surface 241 to block rotation of the locking protrusion 235 in the disengaging direction.

And the 'c' shaped elastic portion 243 is inserted into the fitting groove 214 formed in the reference member 210 at the lower side of the slide inclined surface 241 and the locking end surface 242, the slide inclined surface 241 and The pressing portion 244 is provided on the upper end of the locking end face 242 to press down the elastic part 243 to release the locking state of the locking protrusion 235 and the locking end face 242.

In addition, as described above, the reference member 210 includes a fitting groove 214 into which the locking key 240 is inserted and fixed on the boundary between the operation unit 212 and the screw portion 211, and the slide inclined surface 241. And the end surface 242 is integrally provided on one side of the lock key 240.

Meanwhile, reference numeral 245 in FIG. 16 denotes a "supporting end", reference numeral "246" denotes a "ridge end", and reference numeral "247" denotes a 'intersection'.

17a to 18b is an operating state diagram showing an operating state between the reference member and the fastening member in the pipeline connection device according to the present embodiment.

Specifically, FIGS. 17A and 17B illustrate a fastening state of a pipe connection device, that is, a locking and tightening process using the locking key of FIG. 16, and FIG. 17B illustrates a pressing part 244 of the locking key 240 for explanation. It is shown in a deleted state. And, Figure 18a shows the release of the pipeline connection device, that is, the separation process of the pipeline connection device through the locking key operation from Figures 17a, 17b, Figure 18b also the pressing portion 244 of the locking key 240 for explanation It is shown in a deleted state.

First, as shown in FIGS. 17A and 17B, the fastening of the pipeline connection device 100 is mutually connected to the reference member 210 and the fastening member 230 in the locking direction of the screw portions 211 and 231, as understood from the configuration of FIGS. 4 and 5. This can be done by rotating in the reverse direction.

At this time, since the locking key 240 is inserted into and fixed to the fitting groove 214 of the reference member 210, the locking protrusion 235 slides the inclined surface of the raised end 246 by the rotation of the fastening member 230. It is moved by sliding in the locking direction (→) along 241.

Meanwhile, in the fastened state of the main conduit connection device 100, the locking protrusion 235 moves along the slide inclined surface 241 and the locking end face 242 of the locking key 240 is shown in FIG. 17. Since the holding state is maintained as described above, separation of the reference member 210 and the fastening member 230 is prevented.

18A and 18B, the release of the pipe connecting device 100 is pressed down on the pressing portion 244 (see FIG. 16) of the lock key 240 from the fastened state of FIGS. 17A and 17B and then the reference member 210. And the fastening member 230 may be rotated in opposite directions in a release direction ← of the screw portions 211 and 231.

In this case, when the pressing part 244 is pressed down in the locking key 240, the elastic part 243 (see FIG. 16) is pressed to raise the ridge 246 toward the support end 243 (see FIG. 16). As a result, as shown in FIGS. 18A and 18B, the locking state of the locking protrusion 235 by the locking end surface 242 is released, so that the reference member 210 and the fastening member 230 can be separated. .

On the other hand, in the present embodiment, the hermetic packing means (401, 402, 403) is configured as follows.

Hermetic packing means (401.402, 403) are a plurality of sequentially arranged along the longitudinal direction of the other side pipe (102).

The hermetic packing means 401, 402, 403 consists of a first square ring 401, a rubber ring 402, and a second square ring 402 (the square rings 401, 403 are based on the cross-sectional shape of the component). Name).

The first square ring 401 is provided to contact the outer circumferential surface of the other conduit 102, the inner circumferential surface of the reference member 210, and the end of the fixing member 220, respectively.

The rubber ring 402 is provided to contact the end of the first square ring 401, the outer circumferential surface of the other conduit 102, the end of the reference member 210, and the inner circumferential surface of the fastening member 230, respectively.

The second square ring 403 contacts the end of the rubber ring 402, the outer circumferential surface of the other conduit 102, the inner circumferential surface of the fastening member 230, and the inner circumferential surface of the locking protrusion 234 at the fastening member 230, respectively. It is provided.

In this embodiment, the micro-gap between the reference member 210 and the fixing member 220 is completely sealed by heat fusion and electric heating fusion so that the fluid flowing inside the one-way pipe 101 and the other-side pipe 102 is outward. In addition to preventing leakage, the fastening member 230 and the airtight packing means 401, 402, 403, the first square ring 401, rubber ring 402, and the second square ring 403 further reinforced its airtightness It works.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material and a composite polypropylene (composite PP) material among the synthetic resin materials.

(Third Embodiment)

Figure 6 is a cross-sectional view showing a third embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 6, the present embodiment has substantially the same configuration as the above-described second embodiment, and the following description of the present embodiment will mainly focus on the configuration that differs from the second embodiment. For reference, reference numeral 'B' denotes a heat fusion portion, and reference numeral 'C' denotes an electric heating fusion portion.

It further comprises a rubber ring 404, which is an airtight packing means 404 provided between the reference member 210 and the fixing member 220.

The rubber ring 404 is inserted into the groove 221 formed at the end of the outer peripheral surface of the fixing member 220 is preferably in contact with the central portion of the inner peripheral surface of the reference member 210.

In this embodiment, the micro-gap between the reference member 210 and the fixing member 220 is completely sealed by heat fusion and electric heating fusion so that the fluid flowing inside the one-way pipe 101 and the other-side pipe 102 is outward. In addition to preventing leakage, the fastening member 230 and the sealing member 401, 402, 403, the first rectangular ring 401, the rubber ring 402, and the second rectangular ring 403 to further reinforce its airtightness. In addition, the one end conduit 101 and the other conduit 102 are further reinforced by a rubber ring 404 in the gap between the outer circumferential end of the fixing member 220 and the center of the inner circumferential face of the reference member 210, which may be somewhat weak in airtightness. There is an excellent effect that can maintain the confidentiality of the sure.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material and a composite polypropylene (composite PP) material among the synthetic resin materials.

(Example 4)

7 is a cross-sectional view showing a fourth embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 7, the pipe connecting device 100 according to the present embodiment includes the reference member 210 and the fixing member 220.

In an embodiment, the inner circumferential surface and the outer circumferential surface of the fixing member 220 are fixed by an electric heating fusion method up to a predetermined length of the outer circumferential surface of the other conduit 102 and the inner circumferential surface of the reference member 210.

For reference, reference numerals 'B' and 'C' denote electric heating welding parts.

Here, the electric heating fusion method is made in the following order.

First, spiral grooves 301 are formed on the outer and inner circumferential surfaces of the fixing member 220, respectively.

Thereafter, the conductive wire 303 wound around the spiral grooves 301 formed on the outer circumferential surface and the inner circumferential surface of the fixing member 220 by the coating material 302 of synthetic resin, respectively, is wound several times.

In the state in which the electric wire 303 is wound as described above, both ends 304 and 305 of the electric wire 303 are electrically connected to an overcurrent applying device (not shown).

Subsequently, when a current is applied to the electric wire 303 from the overcurrent application device, the fixing member 220 is firmly fused and fixed to the other conduit 102 and the reference member 210 while the coating material 302 of the synthetic resin melts.

In this embodiment, the micro-gap between the reference member 210 and the fixing member 220 is completely sealed by electric heating fusion so that the fluid flowing inside the one-way line 101 and the other-side line 102 does not leak to the outside. It works.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material among the synthetic resin materials.
For reference, FIG. 21 is a perspective view illustrating the fixing member 220 of the present embodiment, and in this drawing, spiral grooves 301 formed on the outer circumferential surface and the inner circumferential surface of the fixing member 220 and the covering material 302 are wrapped. The arrangement of conductive electric wires (not shown: reference numeral 303 in FIG. 7) is clearly shown.

(Example 5)

8 is a cross-sectional view showing a fifth embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 8, the pipe connecting device 100 according to the present embodiment includes the reference member 210 and the fixing member 220.

In addition, the present embodiment, like the fourth embodiment, the inner circumferential surface and the outer circumferential surface of the fixing member 220 are fixed in an electric heat fusion method up to a predetermined length of the outer circumferential surface of the other conduit 102 and the inner circumferential surface of the reference member 210. do. For reference, reference numerals 'B' and 'C' denote electric heating welding parts.

Hereinafter, in the description of the present embodiment, a description will be given focusing on portions that differ from the fourth embodiment.

The embodiment further includes a fastening member 230 for screwing the reference member 210.

Specifically, the fastening member 230 is preferably rotatably provided so as to be coupled to the reference member 210 in a state of being locked to the airtight packing means 404 fixed to the outer circumferential surface of the other side pipe 102. .

Here, the specific configuration and operation of the hermetic packing means 404 will be described in detail below.

The fastening member 230 is a screw portion 231 to enable a screw coupling with the screw portion 211 of the reference member 210 on the inner circumferential surface, the outer circumferential surface when the engagement with the reference member 210 through the tightening rotation and pressing It is preferable to provide the operation part 232 which enables this.

In addition, in the present embodiment, the manipulation members 212 and 232 of the reference member 210 and the fastening member 230 are preferably provided with gripping protrusions 213 and 233 on the outer circumferential surface to enable rotational pressure for tightening and coupling.

The following description will be referred to FIGS. 4 and 16 to 18 in addition to the drawings corresponding to the present embodiment.

The fastening member 230 includes a locking protrusion 234 at an end portion of the fastening member 230 corresponding to the manipulation part 232 so as to remain locked to the airtight packing means 404.

In addition, the locking key 240 is provided on the outer circumferential surface of the reference member 210 to prevent the connection between the reference member 210 and the fastening member 230 corresponding to each other, the upper end of the inner circumference of the fastening member 230 It is preferable that a locking protrusion 235 is formed to maintain a locking state with the locking key 240.

Here, the locking key 240 is a slide inclined surface 241 to allow the locking projection 235 to rotate in the locking direction when the reference member 210 and the fastening member 230 is coupled, and the locking projection in the unlocking direction ( A locking end surface 242 is provided on the corresponding side of the slide inclined surface 241 to block rotation of the 235.

In addition, the 'c' shaped elastic part 243 inserted into the fitting groove 214 of the reference member 210 at the lower portion of the slide inclined surface 241 and the engaging cross section 242 is engaged with the slide inclined surface 241. The pressing portion 244 is provided on the upper end of the cross section 242 to release the locking state of the locking projection 235 and the locking end surface 242 by pressing the elastic portion 243 downward.

In addition, the reference member 210 includes a fitting groove 214 into which the locking key 240 is inserted and fixed on the boundary line between the operation unit 212 and the screw portion 211, and includes a slide inclined surface 241 and a locking end surface 242. Is integrally provided on one side of the locking key 240.

For the operation state related to the locking and tightening process or the release process of the reference member 210 and the fastening member 230, please refer to the description of the second embodiment.

In this embodiment, the airtight packing means 404 is the outer peripheral surface of the other conduit 102, the end of the fixing member 220, the inner peripheral surface of the fastening member 230, and the locking projection 234 in the fastening member 230 It is preferable that the rubber ring 404 respectively in contact with the inner circumferential surface thereof.

This embodiment completely closes the minute gap between the reference member 210 and the fixing member 220 by electric heating fusion so that the fluid flowing inside the one-way line 101 and the other-side line 102 does not leak to the outside. In addition, the fastening member 230 and the rubber ring 404, which is an airtight packing means, have an effect of reinforcing the airtightness even more.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material and a composite polypropylene (composite PP) material among the synthetic resin materials.

(Example 6)

9 is a cross-sectional view showing a sixth embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 9, the present embodiment is an improvement of the fourth embodiment, wherein the inner circumferential surface and the outer circumferential surface of the fixing member 220 have a predetermined length of the outer circumferential surface of the other conduit 102 and the inner circumferential surface of the reference member 210. Up to fixed by electric heating fusion method.

For reference, reference numerals 'B' and 'C' denote electric heating welding parts.

Hereinafter, the present embodiment will be described focusing on the parts that differ from the fourth embodiment.

In this embodiment, the rubber ring 405 and the square ring 406 which are airtight packing means 405 and 406 between the reference member 210 and the fixing member 220 are sequentially arranged along the lengthwise direction of the other conduit 102. It is preferable to arrange.

Here, the rubber ring 405 is preferably in contact with the outer peripheral surface of the other conduit 102, the end and the inner peripheral surface of the reference member 210, respectively, the square ring 406 is the end of the rubber ring 405, the other conduit 102 It is preferable that the outer circumferential surface of the), the inner circumferential surface of the reference member 210, and the end of the fixing member 220, respectively.

This embodiment completely closes the minute gap between the reference member 210 and the fixing member 220 by electric heating fusion so that the fluid flowing inside the one-way line 101 and the other-side line 102 does not leak to the outside. At the same time, by further reinforcing the rubber ring 405 and the square ring 406 in the minute gap located at the junction of the fixing member 220 and the reference member 210, which may be somewhat weak airtightness, the one side pipe 101 and the other side There is an excellent effect of reliably maintaining the airtightness of the conduit 102.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material among the synthetic resin materials.

(Example 7)

10 is a cross-sectional view showing a seventh embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 10, the pipe connecting device 100 according to the present embodiment is an improvement of the configuration of the sixth embodiment.

This embodiment is the same as the sixth embodiment, the inner circumferential surface and the outer circumferential surface of the fixing member 220 is fixed in an electric heating fusion method up to a predetermined length of the outer circumferential surface of the other side pipe 102 and the inner circumferential surface of the reference member 210 and , Between the reference member 210 and the fixing member 220, the rubber ring 405 and the square ring 406, which are airtight packing means 405 and 406, are sequentially arranged along the lengthwise direction of the other conduit 102. For reference, reference numerals 'B' and 'C' denote electric heating welding parts.

Hereinafter, the present embodiment will be described mainly on the parts different from the above-described sixth embodiment.

The embodiment further includes a fastening member 230 for screwing the reference member 210.

Specifically, it is preferable that the fastening member 230 is freely rotated so as to be coupled to the reference member 210 in a state of being locked to the airtight packing means 407 fixed to the outer circumferential surface of the other side pipe 102. .

Here, the specific configuration and operation of the hermetic packing means 407 will be described in detail below.

The fastening member 230 is a screw portion 231 to allow the screw portion 211 and the screw coupling of the reference member 210 on the inner circumferential surface, the outer circumferential surface is held in engagement with the reference member 210 by tightening the rotation and pressure It is preferable to provide the operation part 232 which enables it.

In addition, in the present embodiment, the manipulation members 212 and 232 of the reference member 210 and the fastening member 230 are preferably provided with gripping protrusions 213 and 233 on the outer circumferential surface to enable rotational pressing for tightening coupling.

The following description will be referred to FIGS. 4 and 16 to 18 in addition to the drawings corresponding to the present embodiment.

The fastening member 230 includes a locking protrusion 234 at an end portion of the fastening member 230 corresponding to the manipulation part 232 so as to remain locked to the airtight packing means 407.

In addition, the locking key 240 is provided on the outer circumferential surface of the reference member 210 to prevent the connection between the reference member 210 and the fastening member 230 corresponding to each other, the upper end of the inner circumference of the fastening member 230 It is preferable that a locking protrusion 235 is formed to maintain a locking state with the locking key 240.

Here, the locking key 240 is a slide inclined surface 241 to allow the locking projection 235 to rotate in the locking direction when the reference member 210 and the fastening member 230 is coupled, and the locking projection in the unlocking direction ( A locking end surface 242 is provided on the corresponding side of the slide inclined surface 241 to block rotation of the 235.

In addition, a 'c' shaped elastic part 243 inserted into the fitting groove 214 of the reference member 210 at the lower portion of the slide inclined surface 241 and the engaging cross section 242, the slide inclined surface 241 and The pressing portion 244 is provided on the upper end of the locking end face 242 to press down the elastic part 243 to release the locking state of the locking protrusion 235 and the locking end face 242.

In addition, the reference member 210 includes a fitting groove 214 into which the locking key 240 is inserted and fixed on the boundary line between the operation unit 212 and the screw portion 211, and includes a slide inclined surface 241 and a locking end surface 242. Is integrally provided on one side of the locking key 240.

For the operation state related to the locking and tightening process or the release process of the reference member 210 and the fastening member 230, please refer to the description of the second embodiment.

In this embodiment, the airtight packing means 407 is the outer peripheral surface of the other conduit 102, the end of the fixing member 220, the inner peripheral surface of the fastening member 230, and the locking projection 234 in the fastening member 230 It is preferable that the rubber ring 407 is in contact with each of the inner peripheral surface.

For reference, the hermetic packing means 407 in this embodiment has the same form as the hermetic packing means 404 in the fifth embodiment.

This embodiment completely closes the minute gap between the reference member 210 and the fixing member 220 by electric heating fusion so that the fluid flowing inside the one-way line 101 and the other-side line 102 does not leak to the outside. At the same time, the rubber ring 405 and the square ring 406 are further strengthened and fixed with the fastening member 230 in a minute gap located at the junction between the fixing member 220 and the reference member 210, which may be somewhat weak in airtightness. By further reinforcing the rubber ring 407 in the gap between the members 220, there is an excellent effect that can securely maintain the airtightness of the one side pipe (101) and the other side pipe (102).

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material and a composite polypropylene (composite PP) material among the synthetic resin materials.

(Example 8)

11 is a cross-sectional view showing an eighth embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 11, the pipe connecting device 100 according to the present embodiment is an improvement of the seventh embodiment, and the following description of the present embodiment will be mainly focused on the configuration different from the seventh embodiment. For reference, reference numerals 'B' and 'C' are electric heating welding parts.

In this embodiment, the airtight packing means (408, 409, 410) are arranged in plurality along the longitudinal direction of the other side pipe 102 as a plurality.

That is, the airtight packing means 408, 409, 410 may include a first rubber ring 408 and a first rubber ring, which contact the outer circumferential surface of the other conduit 102, the inner circumferential surface of the reference member 210, and the end of the fixing member 220, respectively. 408, the outer circumferential surface of the other conduit 102, the inner circumferential surface and end of the reference member 210, the refractive ring 409 having a three-dimensional shape in contact with the inner circumferential surface of the fastening member 230, and the refractive ring 409 The end, the outer peripheral surface of the other conduit 102, the inner circumferential surface of the fastening member 230, it is preferably composed of a second rubber ring 410 in contact with the inner circumferential surface of the locking projection 234 in the fastening member 230.

This embodiment completely closes the minute gap between the reference member 210 and the fixing member 220 by electric heating fusion so that the fluid flowing inside the one-way line 101 and the other-side line 102 does not leak to the outside. At the same time, the rubber ring 405 and the square ring 406 are further reinforced in the gap located at the junction of the fixing member 220 and the reference member 210, which may be somewhat weak in airtightness, and the fastening member 230 and the fixing member. The first rubber ring 408, the refraction ring 409, and the second rubber ring 410 are further reinforced in the minute gaps between the 220 to maintain the airtightness of the one line 101 and the other line 102. It has an excellent effect.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material and a composite polypropylene (composite PP) material among the synthetic resin materials.

(Example 9)

12 is a cross-sectional view illustrating a ninth embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 12, the pipe connecting device 100 according to the present embodiment includes the reference member 210 and the fixing member 220 as in the previous embodiments.

In an embodiment, the inner circumferential surface of the fixing member 220 is fixed in a heat fusion manner from the end of the other conduit 102 to the outer circumferential surface, and the outer circumferential surface of the fixing member 220 is in contact with the inner circumferential surface of the reference member 210. For reference, reference numeral 'B' denotes a heat fusion portion.

And between the reference member 210 and the fixing member 220 is provided with at least one rubber ring 411, which is an airtight packing means (411).

In the drawing, the rubber ring 411 is preferably inserted into the groove 222 formed in the outer peripheral surface end of the fixing member 220 and in contact with the central portion of the inner peripheral surface of the reference member 210.

The embodiment further includes a fastening member 230 for screwing the reference member 210.

The fastening member 230 is rotatably provided so as to be coupled to the reference member 210 in a state of being locked to the airtight packing means 412, 413, and 414 fixed to the outer circumferential surface of the other conduit 102.

Specifically, the fastening member 230 is a screw portion 231 to enable a screw coupling with the screw portion 211 of the reference member 210 on the inner circumferential surface, the outer circumferential surface by gripping when coupled with the reference member 210 through the tightening It is preferable to provide the operation part 232 which enables rotation pressurization.

In addition, in the present embodiment, the manipulation members 212 and 232 of the reference member 210 and the fastening member 230 are preferably provided with gripping protrusions 213 and 233 on the outer circumferential surface to enable rotational pressing for tightening coupling.

The following description will be referred to FIGS. 4 and 16 to 18 in addition to the drawings corresponding to the present embodiment.

The fastening member 230 includes a locking protrusion 234 at an end portion of the fastening member 230 corresponding to the manipulation part 132 so as to remain locked to the airtight packing means 412, 413, and 414.

In addition, the locking key 240 is provided on the outer circumferential surface of the reference member 210 to prevent the connection between the reference member 210 and the fastening member 230 corresponding to each other, the upper end of the inner circumference of the fastening member 230 It is preferable that a locking protrusion 235 is formed to maintain a locking state with the locking key 240.

Here, the locking key 240 is a slide inclined surface 241 to allow the locking projection 235 to rotate in the locking direction when the reference member 210 and the fastening member 230 is coupled, and the locking projection in the unlocking direction ( A locking end surface 242 is provided on the corresponding side of the slide inclined surface 241 to block rotation of the 235.

In addition, the 'c' shaped elastic part 243 inserted into the fitting groove 214 of the reference member 210 at the lower portion of the slide inclined surface 241 and the engaging cross section 242 is engaged with the slide inclined surface 241. The pressing portion 244 is provided on the upper end of the cross section 242 to release the locking state of the locking projection 235 and the locking end surface 242 by pressing the elastic portion 243 downward.

In addition, the reference member 210 includes a fitting groove 214 into which the locking key 240 is inserted and fixed on the boundary line between the operation unit 212 and the screw portion 211, and includes a slide inclined surface 241 and a locking end surface 242. Is integrally provided on one side of the locking key 240.

For the operation state related to the locking and tightening process or the release process of the reference member 210 and the fastening member 230, please refer to the description of the second embodiment.

In this embodiment, the airtight packing means (412, 413, 414) is a plurality of sequentially arranged along the longitudinal direction of the other side pipe (102).

The hermetic packing means 412, 413, 414 includes a square ring 412 and a square ring 412 that contact the outer circumferential surface of the other conduit 102, the inner circumferential surface of the reference member 210, and the end of the fixing member 220, respectively. The rubber ring 413 is in contact with an end portion, the outer circumferential surface of the other conduit 102, and the inner circumferential surface of the reference member 210, the end of the rubber ring 413, the outer circumferential surface of the other conduit 102, and the reference member 210, respectively. It is preferable that the inner peripheral surface and the end, and the inner peripheral surface of the fastening member 230, and the refractive ring 414 having a three-dimensional shape in contact with the inner peripheral surface of the engaging projection 234 in the fastening member 230, respectively.

In this embodiment, the micro-gap between the reference member 210 and the fixing member 220 is completely sealed by heat fusion so that the fluid flowing in the one side 101 and the other side 102 is not leaked to the outside. At the same time, the rubber ring 411 is further strengthened in the gap located at the junction of the fixing member 220 and the reference member 210, which may be somewhat weak in airtightness, and in the gap between the fastening member 230 and the fixing member 220. The square ring 412, the rubber ring 413, and the refraction ring 414 is further reinforced to have an excellent effect of ensuring the airtightness of the one-way conduit 101 and the other conduit 102.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material and a composite polypropylene (composite PP) material among the synthetic resin materials.

(Example 10)

13 is a cross-sectional view showing a tenth embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 13, the pipe connecting device 100 according to the present embodiment is an improvement of the ninth embodiment, and includes the reference member 210 and the fixing member 220, and the fixing member 220. The inner circumferential surface of the c) is fixed in a heat fusion manner from the end of the other conduit 102 to the outer circumferential surface, and the outer circumferential surface of the fixing member 220 is in contact with the inner circumferential surface of the reference member 210. For reference, reference numeral 'B' denotes a heat fusion portion.

At least one rubber ring 415, 416, which is an airtight packing means 415, 416, is provided between the reference member 210 and the fixing member 220.

In the drawing, these rubber rings 415 and 416 are composed of a first rubber ring 415 and a second rubber ring 416.

The first rubber ring 415 is inserted into the groove 223 formed at the end of the outer circumferential surface of the fixing member 220 to be in contact with the center of the inner circumferential surface of the reference member 210.

The second rubber ring 416 is inserted into the groove 224 formed along the longitudinal direction of the outer circumferential surface of the fixing member 220 to be in contact with the inner circumferential surface of the reference member 210.

The embodiment further includes a fastening member 230 for screwing the reference member 210.

The fastening member 230 is rotatably provided so as to be coupled to the reference member 210 in a state of being locked at each end of the reference member 210 and the fixing member 220.

The fastening member 230 is a screw portion 231 to enable a screw coupling with the screw portion 211 of the reference member 210 on the inner circumferential surface, the outer circumferential surface when the engagement with the reference member 210 through the tightening rotation and pressing The operation part 232 which makes this possible is provided.

In this embodiment, the operation members 211 and 231 of the reference member 210 and the fastening member 230 are provided with a gripping protrusion 233 on an outer circumferential surface to enable rotational pressing for tightening and coupling.

The following description will be referred to FIGS. 4 and 16 to 18 in addition to the drawings corresponding to the present embodiment.

In addition, the fastening member 230 is provided with a locking protrusion 234 at the end of the direction corresponding to the operation unit 232 to maintain the locked state of the end of the reference member 210 and the fixing member 220.

In order to prevent the connection between the reference member 210 and the fastening member 230 corresponding to each other, the locking key 240 is provided on the outer circumferential surface of the reference member 210, and the locking key ( It is preferable that the locking protrusion 235 is formed to maintain the locking state with the 240.

The locking key 240 is a slide inclined surface 241 to allow the locking projection 235 to slide in the locking direction when the reference member 210 and the fastening member 230 are coupled, and the locking projection 235 in the unlocking direction. It is preferable to have a locking end face 242 located on the corresponding side of the slide inclined surface 241 to block the rotation of the.

'C' shaped elastic portion 243 inserted into the fitting groove 214 of the reference member 210 at the lower portion of the slide inclined surface 241 and the engaging cross section 242, and the slide inclined surface 241 and the engaging cross section The upper portion 242 is provided with a pressing portion 244 to release the locking state of the locking projection 235 and the locking end surface by pressing the elastic portion 243 downward.

The reference member 210 has a fitting groove 214 into which the locking key 240 is inserted and fixed on the boundary line between the operation unit 212 and the screw portion 211, and the slide inclined surface 241 and the engaging end surface 242 are provided. It is preferable that one side of the lock key 240 is provided integrally.

For the operation state related to the locking and tightening process or the release process of the reference member 210 and the fastening member 230, please refer to the description of the second embodiment.

In this embodiment, the fluid flowing through the inside of one side pipe 101 and the other side pipe 102 by completely sealing a minute gap between the reference member 210 and the fixing member 220 by heat fusion and two rubber rings 415 and 416. Is prevented from leaking to the outside, there is an excellent effect that can be surely maintained the airtightness of the one side pipe (101) and the other side pipe (102).

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material and a composite polypropylene (composite PP) material among the synthetic resin materials.

(Example 11)

14 is a cross sectional view showing an eleventh embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 14, the pipe connecting device 100 according to the present embodiment is an improvement of the tenth embodiment, and the arrangement of the rubber rings 417 and 418 is different in the same structure as the tenth embodiment. For reference, reference numeral 'B' denotes a heat fusion portion.

That is, the rubber rings 417 and 418 are inserted into the two grooves 225 and 226 formed along the longitudinal direction of the outer circumferential surface of the fixing member 220 to the first and second rubber rings 417 and 418 respectively contacting the inner circumferential surface of the reference member 210. Is done.

For this reason, the present embodiment may have the same effect as the above-described tenth embodiment.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material and a composite polypropylene (composite PP) material among the synthetic resin materials.

(Example 12)

15 is a cross sectional view showing a twelfth embodiment of the pipe connecting apparatus according to the present invention.

As shown in FIG. 15, the pipe line connecting device 100 according to the present embodiment includes the reference member 210 and the fixing member 220 as in the previous embodiments.

In this embodiment, the inner circumferential surface of the fixing member 220 is fixed in a screw fastening manner up to a predetermined length of the outer circumferential surface of the other conduit 102.

As such, in order for the fixing member 220 and the other conduit 102 to be screwed together, it is preferable that screw portions 103 and 227 are formed on the inner circumferential surface of the fixing member 220 and the outer circumferential surface of the other conduit 102, respectively.

In addition, the outer circumferential surface of the fixing member 220 is in contact with the inner circumferential surface of the reference member 210 without a gap.

And between the reference member 210 and the other side pipe 102 is preferably provided with at least one rubber ring 419, which is an airtight packing means (419).

Here, the rubber ring 419 is preferably inserted into the groove 215 formed in the center of the inner circumferential surface of the reference member 210 to contact the other conduit 102.

In the present embodiment, it is preferable that at least one key 420 is further provided between the reference member 210 and the fixing member 220 to preset the fastening limit of the fixing member 220.

In addition, the embodiment further includes a fastening member 230 for screwing the reference member 210.

The fastening member 230 is rotatably provided so as to be coupled to the reference member 210 in a state of being locked to the airtight packing means 421, 422, 423 fixed to the outer circumferential surface of the other side pipe 102.

The fastening member 230 is a screw portion 231 to enable a screw coupling with the screw portion 211 of the reference member 210 on the inner circumferential surface, the outer circumferential surface when the engagement with the reference member 210 through the tightening rotation and pressing The operation part 232 which makes this possible is provided.

In the present embodiment, the operation members 212 and 232 of the reference member 210 and the fastening member 230 are provided with gripping protrusions 213 and 233 on the outer circumferential surface to enable rotational pressing for tightening coupling.

The following description will be referred to FIGS. 4 and 16 to 18 in addition to the drawings corresponding to the present embodiment.

In addition, the fastening member 230 is provided with a locking projection 234 at the end of the direction corresponding to the operation unit 233 to maintain the locked state in the airtight packing means (421, 422, 423).

In order to prevent the connection between the reference member 210 and the fastening member 230 corresponding to each other, the locking key 240 is provided on the outer circumferential surface of the reference member 210, and the locking key ( It is preferable that the locking protrusion 235 is formed to maintain the locking state with the 240.

The locking key 240 is a slide inclined surface 241 to allow the locking projection 235 to slide in the locking direction when the reference member 210 and the fastening member 230 are coupled, and the locking projection 235 in the unlocking direction. It is preferable to have a locking end face 242 located on the corresponding side of the slide inclined surface 241 to block the rotation of the.

'C' shaped resilient portion 243 inserted into the fitting groove 214 of the reference member 210 under the slide inclined surface 241 and the locking end surface 242, and the slide inclined surface 241 and the locking end surface The upper portion 242 is provided with a pressing portion 244 to release the locking state of the locking projection 235 and the locking end surface 242 by pressing the elastic portion 243 downward.

The reference member 210 has a fitting groove 214 into which the locking key 240 is inserted and fixed on the boundary line between the operation unit 212 and the screw portion 211, and the slide inclined surface 241 and the engaging end surface 242 are provided. It is preferable that one side of the lock key 240 is provided integrally.

For the operation state related to the locking and tightening process or the release process of the reference member 210 and the fastening member 230, please refer to the description of the second embodiment.

In this embodiment, the airtight packing means 421, 422, 423 are plural and sequentially arranged along the longitudinal direction of the other side pipe 102.

Specifically, the airtight packing means 421, 422, 423 includes a square ring 421 and a square ring 421, which contact the outer circumferential surface of the other conduit 102, the inner circumferential surface of the reference member 210, and the end of the fixing member 220, respectively. The rubber ring 422 is in contact with the end portion, the outer peripheral surface of the other conduit 102, and the inner peripheral surface of the reference member 210, the end of the rubber ring 422, the outer peripheral surface of the other conduit 102, reference member 210 It is preferable that the inner peripheral surface and the end, and the inner peripheral surface of the fastening member 230, and the refractive ring 423 having a three-dimensional shape in contact with the inner peripheral surface of the locking projection 234 in the fastening member 230, respectively.

In this embodiment, the micro-gap between the reference member 210 and the fixing member 220 is completely sealed with a screw coupling (coupling between the reference numeral '103' and the reference numeral '227' as the screw portion) and the rubber ring 419. In addition to preventing the fluid flowing inside the one-way pipeline 101 and the other-side pipeline 102 from leaking to the outside, a gap is formed between the fastening member 230 and the fixing member 220, which may be somewhat weak in airtightness. By further reinforcing the ring 421, the rubber ring 422, and the refraction ring 423, there is an excellent effect of reliably maintaining the airtightness of the one side conduit 101 and the other conduit 102.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material or a metal material, and most preferably, among the synthetic resin materials, polyethylene (PE) material, composite polypropylene (composite PP) material, PVC material, And it is a material used for a conventional composite pipe, and among the metal material is preferably cast iron material and other metal materials.

(Example 13)

19 is a cross sectional view showing a thirteenth embodiment of the pipe connecting apparatus according to the present invention.

This embodiment is an improved embodiment of the eighth embodiment, the part of the present embodiment is different from the eighth embodiment, the winding of the electric wire to the fixing member 220 to be the winding inside the fixing member 220 It has its features.

The shape of the fixing member 220 as shown in FIG. 19 is a form that can be obtained by injecting the electric member 303 to be arranged in a winding form inside the fixing member 220 when the fixing member 220 is injected. .

In the method of using the combination of the fixing member 220 and the electric wire 303, first, both ends 304 and 305 of the electric wire 303 are electrically connected to an overcurrent application device (not shown), and When the electric current is applied to the electric wire 303, the coating member 302 of the synthetic resin is melted at the same time as the recording member, so that the fixing member 220 and the other conduit 102 and the reference member 210 firmly Fusion is fixed.

At this time, the current provided from the overcurrent applying device to both ends 304 and 305 of the electric wire 303 should be set higher than that of the eighth embodiment.

This embodiment can achieve the same effect as the eighth embodiment in the above manner. For reference, reference numeral 'B' is a part to be electrically heated and fused.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material, and most preferably a polyethylene (PE) material and a composite polypropylene (composite PP) material among the synthetic resin materials.

(Example 14)

20 is a cross sectional view showing a fourteenth embodiment of the pipe connecting apparatus according to the present invention.

This embodiment is an improvement of the twelfth embodiment, and as shown in FIG. 20, the pipeline connection device 100 includes the reference member 210 and the fixing member 220 as in the previous embodiments. .

Unlike the twelfth embodiment, this embodiment has a concave shape such that an iron portion 500 is formed on the inner circumferential surface of the fixing member 220 and the iron portion 500 is inserted into the other conduit 102. The part 501 is formed.

However, in the present embodiment, the inner circumferential surface of the fixing member 220 may be formed with a concave portion instead of the convex portion 500, and a corresponding portion having a convex shape may be formed in the other conduit 102 to insert the concave portion. .

As described above, if the fixing member 220 and the other side pipe 102 are coupled to each other by unevenness, the same effect can be achieved without components such as the screw parts 103 and 227 and the key 420 used in the twelfth embodiment. There is an excellent effect that can be exerted.

The outer circumferential surface of the fixing member 220 is preferably in contact with the inner circumferential surface of the reference member 210 without a gap.

In this embodiment, like the twelfth embodiment, it is preferable that at least one rubber ring 419, which is an airtight packing means 419, is provided between the reference member 210 and the other side pipe line 102.

The rubber ring 419 is inserted into the groove 215 formed in the center of the inner peripheral surface of the reference member 210 is preferably in contact with the other side pipe (102).

In addition, the present embodiment is screwed with the reference member 210, the rotation is free to allow the coupling with the reference member 210 in a state of being caught in the airtight packing means (421, 422, 423) fixed to the outer peripheral surface of the other conduit 102 It further includes a fastening member 230 provided.

The configuration and operation of the fastening member 230, the configuration of the airtight packing means (421, 422, 423) is the configuration and operation of the fastening member 230 of the twelfth embodiment, and the airtight packing means (421, 422, 423) of the twelfth embodiment. ) And the same (the same reference numerals), the description thereof will be omitted in this embodiment, please refer to the description of the twelfth embodiment.

In this embodiment, the minute gap between the reference member 210 and the fixing member 220 is completely sealed by the convex part 500, the corresponding part 501, and the rubber ring 419, thereby allowing the one side passage 101 and the other side passage ( A rectangular ring 421 and a rubber ring 422 are provided in a gap between the fastening member 230 and the fixing member 220, which may prevent the fluid flowing through the inside of the 102 from leaking to the outside and may be somewhat weak in airtightness. , And the refraction ring 423 is further reinforced to have an excellent effect of reliably maintaining the airtightness of the one side conduit 101 and the other conduit 102.

This embodiment is the most suitable embodiment for the water pipe, sewage pipe, and gas pipe, the diameter of the pipe (101, 102) used at this time is suitable for 16mm ~ 600mm.

In the present embodiment, the material of the pipes 101 and 102 is preferably a synthetic resin material or a metal material, and most preferably, among the synthetic resin materials, polyethylene (PE) material, composite polypropylene (composite PP) material, PVC material, And it is a material used for a conventional composite pipe, and among the metal material is preferably cast iron material and other metal materials.

According to the above embodiments, the materials of the reference member and the fixing member may be appropriately selected according to the material of the pipe, and other parts except the rubber ring (fastening member, square ring, refractive ring, etc.) may also be selected from the above-described pipe, reference member, And it will be preferable to select the best material according to the material of the fixing member.

1 is an exploded perspective view showing an example of a conventional pipe connecting device,

2 is a cross-sectional view of FIG.

3 is a cross-sectional view showing a first embodiment of the pipe connecting apparatus according to the present invention,

Figure 4 is an exploded perspective view showing a second embodiment of the pipe connecting apparatus according to the present invention,

5 is a cross-sectional view of the combination of FIG.

6 is a cross-sectional view illustrating a third embodiment of a pipe connecting apparatus according to the present invention;

7 is a cross-sectional view showing a fourth embodiment of the pipe connecting apparatus according to the present invention;

8 is a cross-sectional view showing a fifth embodiment of the pipe connecting apparatus according to the present invention;

9 is a cross-sectional view showing a sixth embodiment of the pipe connecting apparatus according to the present invention;

10 is a cross-sectional view illustrating a seventh embodiment of the pipe connecting apparatus according to the present invention;

11 is a cross-sectional view showing an eighth embodiment of the pipe connecting apparatus according to the present invention;

12 is a cross-sectional view showing a ninth embodiment of the pipe connecting apparatus according to the present invention;

13 is a cross-sectional view illustrating a tenth embodiment of the pipe connecting apparatus according to the present invention;

14 is a cross-sectional view showing an eleventh embodiment of the pipe connecting apparatus according to the present invention;

15 is a cross-sectional view showing a twelfth embodiment of the pipe connecting apparatus according to the present invention;

16 is a perspective view showing a locking key in a pipeline connection device according to the present invention;

Figures 17a, b and 18a, b is an operating state diagram showing the operating state between the reference member and the fastening member in the pipeline connection device according to the present invention,

19 is a cross-sectional view showing a thirteenth embodiment of the pipe connecting apparatus according to the present invention;

20 is a cross-sectional view illustrating a fourteenth embodiment of a pipe connecting apparatus according to the present invention;
21 is a perspective view showing an embodiment of a fixing member in the pipeline connection device according to the present invention.

Explanation of symbols on the main parts of the drawing

100: pipeline connection 101: one side pipeline

102: other side pipeline 103: screw portion

210: reference member 211: threaded portion

212: control panel 213: holding projection

214: fitting groove 215: groove

220: fixing member 221,222,223,224,225,226: groove

227: screw portion 230: fastening member

231: screw portion 232: operation portion

233: holding projection 234: locking projection

235: locking projection 240: locking key

241: slide slope 242: locking cross section

243: elastic part 244: pressing part

301: spiral groove 302: covering material

303: electric cable 304,305: end of the electric cable

401,403,406,412,421 ,: Square ring

402,404,405,407,408,410,411,413,415,416,417,418,419,422: rubber ring

409,414,423: refractive ring 420: key

500: iron 501: counterpart

Claims (32)

delete delete delete As a pipe connecting device for connecting one pipe and the other pipe corresponding to each other, The inner circumferential surface extending to the one side and the other side, respectively, the inner circumferential surface extending to the one side of the pipeline is fixed in a heat-sealed manner to the outer circumferential surface of the one side of the pipeline, the screw can be coupled to the outer circumferential surface of the inner circumferential surface extending to the other side A reference member having a screw portion formed therein and a gripping operation portion formed to be adjacent to the screw portion; And And a fixing member inserted between an inner circumferential surface extending toward the other side pipeline side of the reference member and an outer circumferential surface of the other side passage, and having an inner circumferential surface fixed to the outer circumferential surface of the other side passage, The inner circumferential surface of the fixing member is fixed in a heat fusion method from an end of the other side conduit to a predetermined length of the outer circumferential surface, and the outer circumferential surface of the fixing member is in an electric heating fusion method up to a predetermined length in the other direction from the center of the inner circumferential surface of the reference member. Fixed, The screw is coupled to the reference member, and further includes a fastening member that is freely rotatable to be coupled to the reference member in a state of being caught by an airtight packing means fixed to the outer circumferential surface of the other side conduit, The fastening member has a screw portion to enable a screw coupling with the screw portion of the reference member on the inner circumferential surface, the outer peripheral surface is provided with an operation portion to enable rotational pressing by holding when coupled with the reference member by tightening, The operation member of the reference member and the fastening member is provided with a projection for holding on the outer circumferential surface to enable rotational pressing for tightening coupling, The fastening member is provided with a locking projection at an end portion in a direction corresponding to the operation portion so as to remain locked to the hermetic packing means, A locking key is provided on an outer circumferential surface of the reference member so as to prevent the connection between the reference member and the fastening member corresponding to each other, and a locking protrusion for maintaining a locking state with the locking key on an upper end of the inner circumference of the fastening member. Formed, The locking key is located on a slide inclined surface to allow the locking projection to slide in the locking direction when the reference member and the fastening member are coupled, and a corresponding side of the slide inclined surface to block rotation of the locking protrusion in the unlocking direction. With a locking cross section, 'C' shaped resilient portion inserted into the fitting groove in the lower portion of the slide inclined surface and the engaging cross section, and the locking projection and the engaging cross section by pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section It has a pressing portion to release the, The reference member is provided with the fitting groove in which the locking key is inserted and fixed on the boundary between the operation unit and the screw unit, the slide inclined surface and the engaging cross section is provided integrally on one side of the locking key Connector. The method of claim 4, wherein The airtight packing means is a plurality of the first rectangular ring arranged in sequence along the longitudinal direction of the other side, the outer peripheral surface of the other side, the inner peripheral surface of the reference member, and the end of the fixing member, and the first square A rubber ring in contact with an end of the ring, an outer circumferential surface of the other conduit, an end of the reference member, and an inner circumferential surface of the fastening member, an end of the rubber ring, an outer circumferential surface of the other conduit, an inner circumferential surface of the fastening member, and the fastening A pipe connecting device, characterized in that consisting of a second square ring in contact with the inner peripheral surface of the engaging projection in the member. The method of claim 5, Further comprising a rubber ring which is an airtight packing means provided between the reference member and the fixed member, The rubber ring is inserted into the groove formed in the outer peripheral surface end portion of the fixing member is connected to the inner circumferential surface of the reference member in contact with the pipe. delete delete As a pipe connecting device for connecting one pipe and the other pipe corresponding to each other, The inner circumferential surface extending to the one side and the other side, respectively, the inner circumferential surface extending to the one side of the pipeline is fixed in a heat-sealed manner to the outer circumferential surface of the one side of the pipeline, the screw can be coupled to the outer circumferential surface of the inner circumferential surface extending to the other side A reference member having a screw portion formed therein and a gripping operation portion formed to be adjacent to the screw portion; And And a fixing member inserted between an inner circumferential surface extending toward the other side pipeline side of the reference member and an outer circumferential surface of the other side passage, and having an inner circumferential surface fixed to the outer circumferential surface of the other side passage, The inner circumferential surface of the fixing member is fixed in a heat fusion method from an end of the other side conduit to a predetermined length of the outer circumferential surface, and the outer circumferential surface of the fixing member is in an electric heating fusion method up to a predetermined length in the other direction from the center of the inner circumferential surface of the reference member. Fixed, The screw is coupled to the reference member, and further includes a fastening member that is freely rotatable to be coupled to the reference member in a state of being caught by an airtight packing means fixed to the outer circumferential surface of the other side conduit, The inner circumferential surface and the outer circumferential surface of the fixing member are fixed in an electric heat fusion method up to a predetermined length of the outer circumferential surface of the other side conduit and the inner circumferential surface of the reference member, The fastening member has a screw portion to enable a screw coupling with the screw portion of the reference member on the inner circumferential surface, the outer peripheral surface is provided with an operation portion to enable rotational pressing by holding when coupled with the reference member by tightening, The operation member of the reference member and the fastening member is provided with a projection for holding on the outer circumferential surface to enable rotational pressing for tightening coupling, The fastening member is provided with a locking projection at an end portion in a direction corresponding to the operation portion so as to remain locked to the hermetic packing means, A locking key is provided on an outer circumferential surface of the reference member so as to prevent the connection between the reference member and the fastening member corresponding to each other, and a locking protrusion for maintaining a locking state with the locking key on an upper end of the inner circumference of the fastening member. Formed, The locking key is located on a slide inclined surface to allow the locking projection to slide in the locking direction when the reference member and the fastening member are coupled, and a corresponding side of the slide inclined surface to block rotation of the locking protrusion in the unlocking direction. With a locking cross section, 'C' shaped resilient portion inserted into the fitting groove in the lower portion of the slide inclined surface and the engaging cross section, and the locking projection and the engaging cross section by pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section It has a pressing portion to release the, The reference member is provided with the fitting groove in which the locking key is inserted and fixed on the boundary between the operation unit and the screw unit, the slide inclined surface and the engaging cross section is provided integrally on one side of the locking key Connector. The method of claim 9, The hermetic packing means is a pipe connecting device, characterized in that the outer peripheral surface of the other side of the pipe, the end of the fixing member, the inner circumferential surface of the fastening member, and the rubber ring in contact with the inner circumferential surface of the locking projection, respectively. delete delete delete As a pipe connecting device for connecting one pipe and the other pipe corresponding to each other, The inner circumferential surface extending to the one side and the other side, respectively, the inner circumferential surface extending to the one side of the pipeline is fixed in a heat-sealed manner to the outer circumferential surface of the one side of the pipeline, the screw can be coupled to the outer circumferential surface of the inner circumferential surface extending to the other side A reference member having a screw portion formed therein and a gripping operation portion formed to be adjacent to the screw portion; And And a fixing member inserted between an inner circumferential surface extending toward the other side pipeline side of the reference member and an outer circumferential surface of the other side passage, and having an inner circumferential surface fixed to the outer circumferential surface of the other side passage, The inner circumferential surface of the fixing member is fixed in a heat fusion method from an end of the other side conduit to a predetermined length of the outer circumferential surface, and the outer circumferential surface of the fixing member is in an electric heating fusion method up to a predetermined length in the other direction from the center of the inner circumferential surface of the reference member. Fixed, The screw is coupled to the reference member, and further includes a fastening member that is freely rotatable to be coupled to the reference member in a state of being caught by an airtight packing means fixed to the outer circumferential surface of the other side conduit, The inner circumferential surface and the outer circumferential surface of the fixing member are fixed in an electric heat fusion method up to a predetermined length of the outer circumferential surface of the other side conduit and the inner circumferential surface of the reference member, and a rubber ring, which is an airtight packing means, between the reference member and the fixing member. Square rings are sequentially arranged along the longitudinal direction of the other side pipe, The rubber ring is in contact with the outer circumferential surface of the other conduit, the end and the inner circumferential surface of the reference member, respectively, and the square ring is the end of the rubber ring, the outer circumferential surface of the other conduit, the inner circumferential surface of the reference member, and the end of the fixing member Touch each other, The fastening member has a screw portion to enable a screw coupling with the screw portion of the reference member on the inner circumferential surface, the outer peripheral surface is provided with an operation portion to enable rotational pressing by holding when coupled with the reference member by tightening, The operation member of the reference member and the fastening member is provided with a projection for holding on the outer circumferential surface to enable rotational pressing for tightening coupling, The fastening member is provided with a locking projection at an end portion in a direction corresponding to the operation portion so as to remain locked to the hermetic packing means, A locking key is provided on an outer circumferential surface of the reference member so as to prevent the connection between the reference member and the fastening member corresponding to each other, and a locking protrusion for maintaining a locking state with the locking key on an upper end of the inner circumference of the fastening member. Formed, The locking key is located on a slide inclined surface to allow the locking projection to slide in the locking direction when the reference member and the fastening member are coupled, and a corresponding side of the slide inclined surface to block rotation of the locking protrusion in the unlocking direction. With a locking cross section, 'C' shaped resilient portion inserted into the fitting groove in the lower portion of the slide inclined surface and the engaging cross section, and the locking projection and the engaging cross section by pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section It has a pressing portion to release the, The reference member is provided with the fitting groove in which the locking key is inserted and fixed on the boundary between the operation unit and the screw unit, the slide inclined surface and the engaging cross section is provided integrally on one side of the locking key Connector. The method of claim 14, The hermetic packing means is a pipe connecting device, characterized in that the outer peripheral surface of the other conduit, the end of the fixing member, the inner circumferential surface of the fastening member, and the rubber ring in contact with the inner circumferential surface of the locking projection in the fastening member, respectively. The method of claim 14, The airtight packing means is a plurality of first rubber ring arranged in sequence along the longitudinal direction of the other side, the outer peripheral surface of the other side, the inner peripheral surface of the reference member, and the end of the fixing member, respectively, and the first 1 an end of a rubber ring, an outer circumferential surface of the other conduit, an inner circumferential surface and an end of the reference member, and a three dimensional shape in contact with the inner circumferential surface of the fastening member, an end of the refractive ring, an outer circumferential surface of the other conduit, and And an inner circumferential surface of the fastening member, and a second rubber ring contacting the inner circumferential surface of the locking projection in the fastening member, respectively. delete delete delete As a pipe connecting device for connecting one pipe and the other pipe corresponding to each other, The inner circumferential surface extending to the one side and the other side, respectively, the inner circumferential surface extending to the one side of the pipeline is fixed in a heat-sealed manner to the outer circumferential surface of the one side of the pipeline, the screw can be coupled to the outer circumferential surface of the inner circumferential surface extending to the other side A reference member having a screw portion formed therein and a gripping operation portion formed to be adjacent to the screw portion; And And a fixing member inserted between an inner circumferential surface extending toward the other side pipeline side of the reference member and an outer circumferential surface of the other side passage, and having an inner circumferential surface fixed to the outer circumferential surface of the other side passage, The inner circumferential surface of the fixing member is fixed in a heat fusion method from an end of the other side conduit to a predetermined length of the outer circumferential surface, and the outer circumferential surface of the fixing member is in an electric heating fusion method up to a predetermined length in the other direction from the center of the inner circumferential surface of the reference member. Fixed, The screw is coupled to the reference member, and further includes a fastening member which is freely rotatable to be coupled to the reference member in a state of being caught by an airtight packing means fixed to the outer circumferential surface of the other side conduit, The inner circumferential surface of the fixing member is fixed in a heat fusion manner from the end of the other side conduit to the outer circumferential surface, the outer circumferential surface of the fixing member is in contact with the inner circumferential surface of the reference member, and an airtight packing is provided between the reference member and the fixing member. At least one rubber ring is provided as a means, The rubber ring is inserted into a groove formed at the end of the outer peripheral surface of the fixing member to be in contact with the central portion of the inner peripheral surface of the reference member, The fastening member has a screw portion to enable a screw coupling with the screw portion of the reference member on the inner circumferential surface, the outer peripheral surface is provided with an operation portion to enable rotational pressing by holding when coupled with the reference member by tightening, The operation member of the reference member and the fastening member is provided with a projection for holding on the outer circumferential surface to enable rotational pressing for tightening coupling, The fastening member is provided with a locking projection at an end portion in a direction corresponding to the operation portion so as to remain locked to the hermetic packing means, A locking key is provided on an outer circumferential surface of the reference member so as to prevent the connection between the reference member and the fastening member corresponding to each other, and a locking protrusion for maintaining a locking state with the locking key on an upper end of the inner circumference of the fastening member. Formed, The locking key is located on a slide inclined surface to allow the locking projection to slide in the locking direction when the reference member and the fastening member are coupled, and a corresponding side of the slide inclined surface to block rotation of the locking protrusion in the unlocking direction. With a locking cross section, 'C' shaped resilient portion inserted into the fitting groove in the lower portion of the slide inclined surface and the engaging cross section, and the locking projection and the engaging cross section by pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section It has a pressing portion to release the, The reference member is provided with the fitting groove in which the locking key is inserted and fixed on the boundary between the operation unit and the screw unit, the slide inclined surface and the engaging cross section is provided integrally on one side of the locking key Connector. The method of claim 20, The airtight packing means is arranged in a plurality along the longitudinal direction of the other conduit in plural, a square ring in contact with the outer circumferential surface of the other conduit, the inner circumferential surface of the reference member, and the end of the fixing member, respectively, An end, an outer circumferential surface of the other conduit, and a rubber ring in contact with an inner circumferential surface of the reference member, respectively, an end of the rubber ring, an outer circumferential surface of the other conduit, an inner circumferential surface and an end of the reference member, and an inner circumferential surface of the fastening member, and the Pipeline connecting device, characterized in that consisting of a refractive ring having a three-dimensional shape in contact with the inner peripheral surface of the engaging projection in the fastening member. delete delete delete As a pipe connecting device for connecting one pipe and the other pipe corresponding to each other, The inner circumferential surface extending to the one side and the other side, respectively, the inner circumferential surface extending to the one side of the pipeline is fixed in a heat-sealed manner to the outer circumferential surface of the one side of the pipeline, the screw can be coupled to the outer circumferential surface of the inner circumferential surface extending to the other side A reference member having a screw portion formed therein and a gripping operation portion formed to be adjacent to the screw portion; And And a fixing member inserted between an inner circumferential surface extending toward the other side pipeline side of the reference member and an outer circumferential surface of the other side passage, and having an inner circumferential surface fixed to the outer circumferential surface of the other side passage, The inner circumferential surface of the fixing member is fixed in a heat fusion method from an end of the other side conduit to a predetermined length of the outer circumferential surface, and the outer circumferential surface of the fixing member is in an electric heating fusion method up to a predetermined length in the other direction from the center of the inner circumferential surface of the reference member. Fixed, The screw is coupled to the reference member, and further includes a fastening member which is freely rotatable to be coupled to the reference member in a state of being locked to the ends of the reference member and the fixing member. The inner circumferential surface of the fixing member is fixed in a heat fusion manner from the end of the other side conduit to the outer circumferential surface, the outer circumferential surface of the fixing member is in contact with the inner circumferential surface of the reference member, and an airtight packing is provided between the reference member and the fixing member. At least one rubber ring is provided as a means, The fastening member has a screw portion to enable a screw coupling with the screw portion of the reference member on the inner circumferential surface, the outer peripheral surface is provided with an operation portion to enable rotational pressing by holding when coupled with the reference member by tightening, The rubber ring is inserted into a groove formed at an end of the outer peripheral surface of the fixing member and inserted into a groove formed along a longitudinal direction of the outer circumferential surface of the fixing member and a first rubber ring contacting the central portion of the inner peripheral surface of the reference member. It is made of a second rubber ring which is in contact with, or is made of first and second rubber rings which are inserted into two grooves formed along the longitudinal direction of the outer peripheral surface of the fixing member and in contact with the inner peripheral surface of the reference member, respectively. The operation member of the reference member and the fastening member is provided with a projection for holding on the outer circumferential surface to enable rotational pressing for tightening coupling, The fastening member includes a locking protrusion at an end portion in a direction corresponding to the operation portion so as to maintain a state of being locked to an end of the reference member and the fixing member. A locking key is provided on an outer circumferential surface of the reference member so as to prevent the connection between the reference member and the fastening member corresponding to each other, and a locking protrusion for maintaining a locking state with the locking key on an upper end of the inner circumference of the fastening member. Formed, The locking key is located on a slide inclined surface to allow the locking projection to slide in the locking direction when the reference member and the fastening member are coupled, and a corresponding side of the slide inclined surface to block rotation of the locking protrusion in the unlocking direction. With a locking cross section, 'C' shaped resilient portion inserted into the fitting groove in the lower portion of the slide inclined surface and the engaging cross section, and the locking projection and the engaging cross section by pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section It has a pressing portion to release the, The reference member is provided with the fitting groove in which the locking key is inserted and fixed on the boundary between the operation unit and the screw unit, the slide inclined surface and the engaging cross section is provided integrally on one side of the locking key Connector. delete delete delete delete As a pipe connecting device for connecting one pipe and the other pipe corresponding to each other, The inner circumferential surface extending to the one side and the other side, respectively, the inner circumferential surface extending to the one side of the pipeline is fixed in a heat-sealed manner to the outer circumferential surface of the one side of the pipeline, the screw can be coupled to the outer circumferential surface of the inner circumferential surface extending to the other side A reference member having a screw portion formed therein and a gripping operation portion formed to be adjacent to the screw portion; And And a fixing member inserted between an inner circumferential surface extending toward the other side pipeline side of the reference member and an outer circumferential surface of the other side passage, and having an inner circumferential surface fixed to the outer circumferential surface of the other side passage, The inner circumferential surface of the fixing member is fixed in a heat fusion method from an end of the other side conduit to a predetermined length of the outer circumferential surface, and the outer circumferential surface of the fixing member is in an electric heating fusion method up to a predetermined length in the other direction from the center of the inner circumferential surface of the reference member. Fixed, The screw is coupled to the reference member, and further includes a fastening member which is freely rotatable to be coupled to the reference member in a state of being caught by an airtight packing means fixed to the outer circumferential surface of the other side conduit, The inner circumferential surface of the fixing member is fixed in a screw fastening manner up to a predetermined length of the outer circumferential surface of the other side conduit, and the outer circumferential surface of the fixing member is in contact with the inner circumferential surface of the reference member. At least one rubber ring, which is an airtight packing means, is provided between the reference member and the other side passage, and at least one key is provided between the reference member and the fixing member to preset a fastening limit of the fixing member. The rubber ring is inserted into a groove formed in the center portion of the inner peripheral surface of the reference member and in contact with the other side pipe, The fastening member has a screw portion to enable a screw coupling with the screw portion of the reference member on the inner circumferential surface, the outer peripheral surface is provided with an operation portion to enable rotational pressing by holding when coupled with the reference member by tightening, The operation member of the reference member and the fastening member is provided with a projection for holding on the outer circumferential surface to enable rotational pressing for tightening coupling, The fastening member is provided with a locking projection at an end portion in a direction corresponding to the operation portion so as to remain locked to the hermetic packing means, A locking key is provided on an outer circumferential surface of the reference member so as to prevent the connection between the reference member and the fastening member corresponding to each other, and a locking protrusion for maintaining a locking state with the locking key on an upper end of the inner circumference of the fastening member. Formed, The locking key is located on a slide inclined surface to allow the locking projection to slide in the locking direction when the reference member and the fastening member are coupled, and a corresponding side of the slide inclined surface to block rotation of the locking protrusion in the unlocking direction. With a locking cross section, 'C' shaped resilient portion inserted into the fitting groove in the lower portion of the slide inclined surface and the engaging cross section, and the locking projection and the engaging cross section by pressing the resilient portion downward to the upper portion of the slide inclined surface and the engaging cross section It has a pressing portion to release the, The reference member is provided with the fitting groove in which the locking key is inserted and fixed on the boundary between the operation unit and the screw unit, the slide inclined surface and the engaging cross section is provided integrally on one side of the locking key Connector. The method of claim 30, The airtight packing means is arranged in a plurality along the longitudinal direction of the other conduit in plural, a square ring in contact with the outer circumferential surface of the other conduit, the inner circumferential surface of the reference member, and the end of the fixing member, respectively, An end, an outer circumferential surface of the other conduit, and a rubber ring in contact with an inner circumferential surface of the reference member, respectively, an end of the rubber ring, an outer circumferential surface of the other conduit, an inner circumferential surface and an end of the reference member, and an inner circumferential surface of the fastening member, and the Pipeline connecting device, characterized in that consisting of a refractive ring having a three-dimensional shape in contact with the inner peripheral surface of the engaging projection in the fastening member. delete

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