KR20190101185A - Pipe Joint - Google Patents

Abstract

The present invention relates to a pipe joint, which comprises: a flange having each insertion port extending to one side and the other side to connect a pipe inserted in both directions or pipes and at least one stopper vertically protruding in the center of each insertion port; and a ring member inserted into an outer circumference of each insertion port to compress and induce pipes inserted into an inner circumference of each insertion port, and stopped in the stopper while forcibly sliding in a direction of the stopper and compressing each insertion port in a pipe direction. A dead pressurization portion is more formed with a structure capable of being caught in an edge of an external side of the ring member to easily perform connection work of the pipes and easily separate and collect the pipes connected in advance.

Description

Pipe Joint

The present invention relates to a pipe joint, and more particularly, a pipe joint used for connection coupling of pipes or pipes, and using a portable pressurizing tool, a rigid slide operation of only ring members, which are components of the joint, is used. In addition to enabling connection coupling, when separating and collecting the pipes that are firmly connected, the pipes can be separated and recovered only by the operation of releasing the catches of the pressurized parts connected to the outside of the ring members by using a portable pressing tool. It's about the joint.

Pipes or pipelines for transferring fluids are installed in various buildings such as industrial plants, houses, apartments, ships, etc., but leaks may occur in pipes or pipelines due to aging or other external defects.

In order to prevent the leakage occurring in such pipes or pipelines, joints for connecting pipes or pipes are used.

Existing joints prevent the leakage of fluid by forcibly rotating and tightening bolts at the joints of the flanges together with rubber sealing members to prevent leakage of pipes inserted into the flanges.

However, these existing joints have to be forced to rotate in a state where the sealing member and bolts are adjusted by adjusting the joints of the flanges in the workability for connecting the pipes, so that workers are concerned about the connection workability of the pipes. There is a situation.

In order to improve the inconvenience of the workability, a technique has been developed or applied to connect the pipes firmly to the flange only by the operation of tightening the flange as a component of the joint using a portable tool.

However, such an improved technology only provides an improvement regarding the workability of the pipes, and the workability of the separation and recovery of the pipes already connected by the joint is overlooked.

In other words, during the demolition of the building, the pipes must also be separated and recovered. The above-described improvement technique is merely a joint for efficiency in connecting work of pipes. As a result, the separation workability of the joints required for the separation recovery of the pipes is still difficult and inconvenient.

On the other hand, the patent documents disclosed in the following prior art document can be referred to describe in detail the technical content of the joint for the connection of the pipe or pipe.

Patent Document 001: Registered Patent No. 10-1830824 (Registration Date 2018. 02. 13) Patent Document 002: Registered Patent No. 10-0999943 (Registration Date 2010. 12. 03) Patent Document 003: Publication No. 10-2013-0108408 (published date 2013. 10. 02) Patent Document 004: Publication No. 10-2018-0015386 (published date 2018. 02. 13) Patent Document 005: Publication No. 10-2014-0138905 (published date 2014. 12. 04) Patent Document 006: Publication No. 10-2017-0016309 (published date 2017. 02. 13)

The present invention for solving the above problems, when the connection of the pipes due to defects or defects in the pipes or pipes installed in the construction process of the building or water and sewage is required only by the slide operation of the ring member using the mobile pressure lock tool. Its purpose is to provide ease of connection work of pipes or pipes because of the solid connection possible.

In addition, the present invention provides the ease of recovery work of the piping or pipes in the recovery of the connected pipes or pipes by using the portable pressurization lock tool to recover the connected pipes or pipes only by separating the pressurized portion from the ring member. It is intended to be.

The present invention for achieving the above object, a flange having each fitting hole extending to one side and the other side and at least one stopper vertically protruding from the center of each fitting hole so as to connect the pipes or pipes inserted in both directions, And a ring member inserted into the outer circumference of each fitting hole to be forced to slide in the direction of the stopper to squeeze the pipes inserted into the inner circumference of each fitting hole and squeezing the fitting holes in the pipe direction and stopping at the stopper. There is one feature of the pipe joint to include.

It is connected to the outer edge of the ring member is connected to the structure, the outer periphery is characterized in that the pipe joint further comprises a pressurized end portion of the circular ring shape having the shape of the stepped structure.

The inner circumferential surface of the ring member is composed of an initial pressure section inclined downward with respect to the horizontal line of the imaginary line and a medium pressure section inclined upwardly based on the horizontal line of the imaginary line. The inner circumferential surface is characterized in that the pipe joint is made of a terminal pressure section inclined downward in relation to the horizontal line of the imaginary line connected in the medium pressure section.

The outer edge of the ring member is connected to the terminal pressure portion is characterized in that the pipe joint is further inclined into its inner side along the circumference and the fitting groove of the lockable shape is further formed.

The terminal pressurizing portion is provided with a stepped ring formed on the outer periphery of the stepped shape, and maintains a constant gap along the circumference of the inner side to be inserted into the fitting groove and is caught, while being caught by an external force in the fitting groove. It further includes a plurality of fitting pieces detachable to the outside, the fitting piece is characterized by a pipe joint that is a release spring.

As described above, the pipe joint according to the present invention can be fixedly coupled to the pipe or pipe to the flange only by the slide operation of the ring member using a lock tool that can be carried by the operator in the connection of the pipe or pipe. Therefore, it is easy to work on the connection of the pipes or pipes, thereby reducing the labor of the operator, and furthermore, as the connection work of the pipes or pipes is quicker, the time required for the connection work is reduced. have.

In addition, the pipe joint according to the present invention can be quickly separated from the ring member by releasing the pressurized part by utilizing a lock tool that can be carried by the operator in the recovery of the connected pipe or pipe installed during the demolition of the building. According to this, the workability of the recovery of the connected pipes or pipes is easy, thereby reducing the time required for building demolition and reducing the demolition cost due to the reduction of the building demolition period.

1 is a perspective view showing a pipe joint of the present invention as a first embodiment;
FIG. 2 is a perspective view illustrating a terminal pressurizing part separated from the ring member shown in FIG. 1;
3 is a cross-sectional view of the pipe joint in the state in which the pipe is not connected as the pipe joint shown in FIG.
4 is a cross-sectional view of a pipe joint in a state in which pipes are connected as pipe joints shown in FIG. 1;
5 is a cross-sectional view of the pipe joint in a state in which the pipe joint is released for separation of pipes connected as the pipe joint shown in FIG. 1;
6 is a perspective view showing a pipe joint of the present invention as a second embodiment;
Figure 7 is a flow chart of the operation of the pipe joint of the present invention utilizing the portable pressurization lock tool for the connection of the pipe.

Embodiments described below in the present invention are not intended to limit the scope of the present invention, but merely illustrative of the components set forth in the claims of the present invention, and the technical spirit throughout the specification in consideration of various other modified embodiments. Should be interpreted on the basis of

Detailed description of the pipe joint of the present invention is as follows.

Pipe joint according to the present invention is a use for connecting the pipes or pipes to connect, as shown in the first embodiment shown in Figure 1, the flange 100 is provided to connect the pipes or pipes inserted in both directions and the It may be composed of a plurality of ring members (200, 200a) to slide in a direction in which the two sides of the flange in close proximity to each other to firmly guide the pipes or pipes inserted into both sides of the flange.

The flange 100 includes a single stopper 110 formed so that the plurality of ring members 200 and 200a can be stopped in close proximity, and a pipe or pipes can be inserted at both ends thereof based on the stopper. It may be composed of fitting pipes 111 and 112 extending in one direction and the other direction.

In addition, the ring members 200 and 200a are connected to the detachable terminal pressurization parts 220 and 220a, and the terminal pressurization parts 220 and 220a are separated as well as pipes or pipes. As shown in FIG. 2, the ring structure is connected to the edges of the ring members 200 and 200a in a circular ring shape.

The terminal pressurization parts 220 and 220a are spaced apart at predetermined intervals along their inner circumferences, respectively, and are provided with a plurality of fitting pieces 221 protruding in an inclined form toward the origin, and the application of the step structure to the circular ring shape. The stepped ring 222 formed along, and the end pressure formed in the inclined shape in the center of the circular ring may be composed of a pressure section 223.

Therefore, the fitting pieces 221 of the pressurizing parts 220 and 220a are inserted into the fitting grooves 213 formed along the edges of the ring members 200 and 200a to be caught therein, so that the terminal pieces The pressure parts 220 and 220a may be connected to the edges of the ring members 200 and 200a, and may be separated in some cases to separate the connected pipe. In particular, the fitting piece 213 is preferably applied to the release spring which is a kind of spring having elastic properties.

On the other hand, the ring member 200 of the plurality of ring members 200 and 200a is inserted into the outer circumference of the fitting pipe 111 extending to one side with respect to the stopper 110 of the flange 100. The ring member 200a is inserted into the outer circumference of the fitting pipe 112 extending toward the other side of the stopper 110.

The ring members 200 and 200a have a structure surrounding the outer circumference of the fitting pipes 111 and 112 as shown in FIG. 3, and an inner circumferential surface thereof is an initial pressure section 211, a medium pressure section 212, And a terminal pressurization section 223 of the terminal pressurization parts 220 and 220a.

The initial pressure section 211 is inclined by a predetermined gap in a downward direction of the horizontal line with respect to the virtual horizontal line, and the medium pressure section 212 extends from the initial pressure section 211 to the horizontal line based on the virtual horizontal line It is inclined by a predetermined gap in the upward direction, and the terminal pressurization section 223 of the terminal pressurization section 220, 220a extends from the middle pressurization section 212 and is constant in the downward direction of the horizontal line with respect to the virtual horizontal line. It is inclined by the gap.

In the present invention, a pipe is shown in the drawings as an example of a pipe or a pipe, and the pipe to be described below may be described as a pipe 10 or 11.

When the pipes 10 and 11 are respectively inserted into the inner circumference of the fitting pipe 111 extending to one side and the fitting pipe 112 extending to the other side with respect to the stopper 110 of the flange 100, the respective fitting pipes The ring members 200 and 200a inserted into the outer circumference of the 111 and 112 are respectively fitted by the operator by the operation of the lock tool 300 shown in FIG. It may slide in the direction of the stopper 110 along the outer circumference of the.

That is, the operator grips the handle portions 320 and 320a of the portable pressurized lock tool 300 by applying a force to pinch the handle portions 320 and 320a, and the ring members 200 and 200a in this process. Ring members 200 and 200a are pushed to the fitting pipes 111 and 112 by sliding in the direction of the stopper 110 of the flange 100 due to the pressing force of the catching tips 310 and 310a attached to the flanges 100. Will be compressed.

The ring members 200 and 200a, which slide in the direction of the stopper 110, have an initial pressurization section 211, a medium pressurization section 212, and a pressurizing section 220 formed at an inner circumference thereof as shown in FIG. As a torsional moment (torque) action of the terminal 220a by the pressure section 223, the respective fitting pipes 111 and 112 are press-pressed in the insertion direction of the pipes 10 and 11, respectively. The pipes 10 and 11 in the fitting pipes 111 and 112 may be firmly coupled and fixed.

As such, the torsional moment of the initial pressure section 211, the medium pressure section 212, and the end pressure section 223 of the terminal pressurizing section 220, 220a formed on the inner circumference of the ring members 200, 200a By the (torque) action, the fitting pipes 111 and 112 are press-pressed in the inward direction in which the pipes 10 and 11 are inserted as shown in FIG. 4, so that the inner circumferential surface thereof is the early seal 113 and the middle seal. 114, and the second half seal 115 may be deformed to prevent detachment of the pipes 10 and 11 inserted into the fitting pipes 111 and 112.

That is, during the slide operation of the ring members 200 and 200a by the operation of the lock tool 300, an initial pressure section 211 and a medium pressure section 212 configured on the inner circumference of the cooling members 200 and 200a. And the fitting pipes 111 and 112 correspond to the torsional moment (torque) action of the pressurizing section 223 of the pressurizing parts 220 and 220a, so that the inner circumference of the fitting pipes 111 and 112 is increased. The first seal 113, the middle seal 114, and the second half of the seal structure of the 115 is deformed by pressing the fitting pipe (111, 112) inserted into the pipe 10, 11 firmly fixed It becomes possible.

Meanwhile, the pipes 10 and 11 inserted into the fitting pipes 111 and 112 extending to both sides of the flange 100 are slid by the ring members 200 and 200a. 111 and 112 can be connected to each other by tightly compressed and bound, but the pipes 10 and 11 connected in this way should be recovered in a manner that is separated again during the building demolition process, as illustrated in FIG. 5. As described above, the operator presses the stepped rings 222 of the terminal pressurization parts 220 and 220a connected to the outer edges of the ring members 200 and 200a by using a portable pressing tool (not shown). do.

In this process, the stepped rings 220 of the pressurizing parts 220 and 220a are separated from each other in a manner that they are detached from the ring members 200 and 200a, so that the ring members 200 and 200a are also flanged ( Each of the fitting pipes 111 and 112 of the 100 may be separated, and thus, the pipes 10 and 11 inserted into the fitting pipes 111 and 112 may be separated and recovered.

Meanwhile, the pipe joint according to the present invention may be composed of a pair of first stoppers 120 and a second stopper 120a as shown in the second embodiment of FIG. 6, and fitting pipes 111 and 112. ) And the ring members 200, 200a and the terminal pressurizing parts 220 and 220a may be applied to the second embodiment in the same manner as the first embodiment described above.

Of course, the pipe joint according to the present invention, unlike the second embodiment may be composed of a flange having one fitting tube extending to only one side and one ring member inserted in the circumferential direction of the fitting tube.

Hereinafter, the operational relationship regarding the pipe joint of the present invention will be described.

When the pipes 10 and 11 are inserted into the fitting pipes 111 and 112 horizontally extended to one side and the other side of the flange 100, the pipes 10 and 11 face the inner circumference of the stopper 110. It is stopped by reaching the formed locking jaw ().

Afterwards, the operator attaches the catching tips 310 and 310a of the lock tool 300 shown in FIG. 7 to the outer edges of the pressurizing parts 220 and 220a connected to the edges of the ring members 200 and 200a. In a state, the handles 320 and 320a of the portable pressing lock tool 300 are retracted.

The catching tips 310 and 310a are connected to the edges of the ring members 200 and 200a through the pinching operation of the handles 320 and 320a to the flange 100. By pressing in the direction of the stopper 110, the ring members 200 and 200a slide in the direction of the stopper 110 through the fitting holes 111 and 112, and close to the end of the stopper 110. Will stop.

In this process, the initial pressure section 211 formed in the inner circumference of the ring members 200 and 200a and the late pressure section 223 formed in the inner circumference of the medium pressure section 212 and the late pressurizing parts 220 and 220a are generated. Corresponding deformation is generated in the inner circumference of the fitting holes 111 and 112 due to the torsional moment (torque) action.

As the deformation occurring in the inner circumference of the fitting holes 111 and 112, the deformation of the initial seal 113 corresponding to the initial pressure section 211 and the middle seal 114 corresponding to the medium pressure section 212. And a deformation of the second half seal 115 corresponding to the terminal pressure section 223.

That is, as the initial pressure section 211 is inclined downward based on the horizontal line of the virtual line, the corresponding deformation of the initial seal 113 is also inclined downward based on the horizontal line of the virtual line and the pipe 10 A deformation | transformation which press-presses the outer peripheral surface of (11) is added. In addition, the medium pressure section 212 is inclined upward based on the horizontal line of the imaginary line, corresponding to the deformation of the mid-seal 114 corresponding to the horizontal line of the caustic line inclined upwards (10) The deformation of pressing the outer circumferential surface of 11) is applied. In addition, as the terminal pressure section 223 is inclined downward based on the horizontal line of the virtual line, the corresponding deformation of the second half seal 115 is inclined downward based on the horizontal line of the virtual line and the pipe 10 ( The deformation of pressing the outer circumferential surface of 11) is applied.

Through such a deformation, the outer circumferential surfaces of the pipes 10 and 11 may be firmly fixed in the fitting holes 111 and 112 while being compressed and deformed in a zigzag shape.

As described above, in order to connect and couple the pipes 10 and 11, the operator may insert the fitting holes 111 only by pressing the slide members 200 and 200a using the portable pressing lock tool 300. By enabling a rigid connection coupling of the pipes (10) (11) inserted into the (112), the connection workability of the pipes (10) (11) mutually can be significantly improved.

On the other hand, the separation of the pipes 10, 11 that are firmly connected in each of the fitting holes 111, 112 as described above may be required, which is the pipe connected to the existing pipe when the replacement of the building or new pipe Workability of separating and recovering (10) and (11) is required.

To this end, as shown in FIG. 5, a portable pressing tool (not shown) capable of opening the stepped rings 222 of the terminal pressurization parts 220 and 220a connected to the outer edges of the ring members 200 and 200a. ), And the stepped rings 222 of the terminal pressurizing parts 220 and 220a are pressed outward through the portable pressing tool, and fit into the fitting grooves 213 of the ring members 200 and 200a. As the insertion pieces 221 that are inserted and locked are exposed to the outside of the ring members 200 and 200a by the force of repulsion, the terminal pressurization parts 220 and 220a are the ring members 200 and 200a. The connection is disconnected from the field.

After the separation of the ring members 200 and 200a due to the separation of the pressurization parts 220 and 220a, the pipes 10 and 11 that are firmly connected in the fitting holes 111 and 112 are also included. By being easily separated, it is also possible to facilitate the recovery workability of the pipes 10 and 11 that were connected.

Flange (100)
Stopper (110) fitting pipe (111) (112)
Early Seal (113) Middle Seal (114)
Rear Seal 115 Hanging Jaw 116
First Stopper 120 Second Stopper 120a
Ring member 200
Initial pressure section 211 Medium pressure section 212
Fitting groove (213)
Terminal press part 220 (220a)
Fitting piece (221) Stepped ring (222)
Terminal pressure section (223)
Lock tool 300 locking tip 310 (310a)
Handle part 320 (320a)

Claims (5)

A flange having each fitting hole extending to one side and the other side to connect a pipe or pipes inserted in both directions, and at least one stopper vertically protruding from the center of each fitting hole; And
A ring member inserted into an outer circumference of each fitting hole to force the pipes inserted into the inner circumference of the fitting holes, forcibly sliding in the direction of the stopper, and pressing the fitting holes in the pipe direction and stopped at the stopper;
Pipe joints comprising a. The method of claim 1,
Connecting to the outer edge of the ring member is connected to the structure, the pipe joint, characterized in that the outer periphery further comprises a pressurized end of the circular ring shape having the shape of the stepped structure. The method of claim 2,
The inner circumferential surface of the ring member is composed of an initial pressure section inclined downward based on the horizontal line of the imaginary line and a medium pressure section continuous in the initial pressure section and inclined upwardly based on the horizontal line of the imaginary line,
The inner circumferential surface of the terminal pressurizing portion is connected to the middle pressure section, the pipe joint, characterized in that the end pressure inclined downward with respect to the horizontal line of the virtual line. The method of claim 2,
The outer edge of the ring member is connected to the pressurizing terminal is inclined to the inside along the periphery of the pipe joint, characterized in that the fitting groove is further formed. The method of claim 4, wherein
The terminal press part,
Stepped ring formed on the outer periphery of the stepped shape; And
A plurality of fitting pieces protruded along the periphery of the inner surface to be inserted into the fitting grooves and caught while being detached to the outside by elastic force by external force in the fitting grooves;
More,
The fitting piece is a pipe joint, characterized in that the release spring.

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