KR101181208B1 - Pipe connecting assembly - Google Patents

Abstract

Disclosed is a pipe connection assembly with a rotary handle according to the present invention. A release tube 20 forming a straight pipe insertion groove 25 having a sealing ring seating portion 26 and an inner threaded portion 28 in the socket portion 24, and a sealing ring inserted into the sealing ring seating portion 26. 30, and the threaded clamp 40 having the outer threaded portion 43 screwed to the inner threaded portion 28 is coupled in sequence, the screwed clamp 40, the sealing ring 30, the release tube ( 20. A pipe connection assembly adapted to connect a straight pipe 2 so as to sequentially pass through 20. The threaded clamp 40 is a cylindrical body having a coupling hole 44 into which the straight pipe 2 can be inserted. A cylindrical outer surface of the mouth 40 is formed with an outer thread 43 which can be screwed into the inner thread 28 of the socket 24 of the release tube 20, and at least two partially cut in the longitudinal direction in the front portion The incision wedges 42 are formed radially, so that the inlet wedge 40 is screwed into the inlet wedge when the front outer circumferential surface is clamped. The grooves 42 are pressed to be able to press the straight pipe (2) inserted into the inner coupling hole 44, the annular tooth 46 in the inner diameter surface of the coupling hole 44 of the screw clamping hole (40) ), But formed of an interference type tooth structure inclined toward the inner side of the straight pipe insertion groove 25 of the socket portion 24, a plurality of integral rotary knobs around the circumferential direction of the rear of the screw clamp 40 40a are radially extended to allow the operator to hold and turn by hand during the fastening operation of the screw clamp 40, and the concentric surface of the screw clamp 40 having the integral rotation handle 40a formed thereon. Detachable rotary knob 50 is detachably coupled to the bolt head 48 inside, the removable rotary knob 50 is separated by recombination after the work according to the working environment to rotate the screw type clamp 40 to a strong rotational force Rotating handle is characterized in that the fastening work is finished Characterized in that provided.

Description

PIPE CONNECTING ASSEMBLY}

The present invention relates to a pipe connection assembly, and more specifically, a rotary handle which is fixed to a straight pipe using a screw clamp to a release tube to which a conduit is connected, so as to hold and turn by hand on the circumference of the screw clamp. It relates to a pipe connection assembly to be provided.

Usually, cast iron pipes are conduits mainly used for water and gas. In protective rooms, etc., covered with water supply manholes, pipe connection assemblies with release tubes are mounted to connect the conduits of cast iron pipes to each other.

As an example of a conventional pipe connection assembly, as shown in Figs. 1 and 2, for example, a release pipe 4 and a pressure ring 6 are used to connect a pipe body having a straight pipe 2 and a valve or the like. .

The release pipe 4 is a pipe body having a shape suitable for joining various types of conduits, and serves to connect the flange portion of the pipe body having a valve to the straight pipe 2 as shown in FIG. 1.

At this time, while inserting the sealing ring 10 to the socket portion 8 of the release tube 4 and the pressure ring 6 is inserted into the straight pipe 2, the straight pipe 2 is pushed into the socket 8, The bolt 12 is inserted through the plurality of fastening holes 16 of the pressure ring 6 and fastened with the nut 14 to fix the release tube 4 and the straight pipe 2.

At this time, the bolt 12 is inserted and fastened with a nut 14 to fasten the release pipe 4 and the straight pipe 2, and the head locking piece of the bolt 12 grips the outer edge of the socket 8. Since the inner circumferential pressure frame of the pressure ring 6 presses the sealing ring 10, leakage of the fastening portion between the straight pipe 2 and the release pipe 4 can be prevented.

However, the pressure wheel 6 used in the prior art as described above has a complicated shape, which makes it difficult to manufacture a mold, and the work is troublesome because a plurality of bolts 12 and nuts 14 must be fastened one by one.

In addition, the prior art has a structure in which the fastening force of the bolt and nut is easy to generate a deviation, respectively, there is a problem that the water pressure is concentrated in any particular section in which the fastening force is relatively loose, causing leakage.

An object of the present invention for solving the problems of the prior art by connecting the upper and sewer pipes and the release pipe using a screw clamping, making the connection work easy and fast, as well as uniform clamping force on the sealing ring It is to minimize the water leakage problem by the hydraulic pressure is to be applied stably.

Still another object of the present invention is to screw together the screw clamp, so that it can be simply installed using a rotary knob formed on the screw clamp itself without using a separate work tool.

An object of the present invention devised to solve the problems of the prior art as described above, to form a straight pipe insertion groove 25 having a sealing ring seating portion 26 and the inner surface screw portion 28 in the socket portion 24. A threaded clamp 40 having a release tube 20, a sealing ring 30 inserted into the sealing ring seating portion 26, and an outer thread portion 43 screwed with the inner thread portion 28 in turn. Coupled to the threaded clamp 40, the sealing ring 30, the pipe connection assembly to connect the straight pipe 2 in order to pass through the release tube 20, the screw clamp 40 is a straight pipe ( 2) A cylindrical body having a coupling hole 44 that can be inserted therein, the outer surface of which is screwable to the inner surface threaded portion 28 of the socket portion 24 of the release tube 20 on the cylindrical outer surface of the threaded clamp 40. 43 is formed, the front portion is formed in the radially formed incision wedge grooves 42 are two or more in the longitudinal direction, When the front circumferential surface is subjected to the clamping force while the fastening guilt tool 40 is screwed, the incision wedge grooves 42 are pressed to press the straight pipe 2 inserted into the inner coupling hole 44, and the screw type Ring inner teeth 46 are formed on the inner diameter surface of the coupling hole 44 of the clamping hole 40, and are formed of an interference type tooth structure inclined toward the inner side of the straight insertion groove 25 of the socket portion 24. In the circumferential direction of the rear of the screw clamp 40, a plurality of integral rotary knobs 40a are formed to extend radially, so that the operator can hold and turn by hand when tightening the screw clamp 40. The detachable rotary knob 50 is detachably coupled to the bolt head 48 inside the concentric surface of the screw-type clamping mechanism 40 in which the integral rotary knob 40a is formed, and the removable rotary knob 50 is coupled to the detachable rotary knob 50. Strong rotational force of screw clamping hole (40) It can be achieved by a pipe connection assembly characterized in that the rotary knob is provided by rotating to finish the fastening operation.

Here, the integral rotary knob 40a may be dividedly installed in 2 to 4 directions on the outer circumference of the screw clamping mechanism 40.

And, when the screw fastening of the screw clamp 40 to a certain depth to the integral rotation knob (40a) by holding the hand by turning to engage, and then, after detaching the detachable rotary knob (50) at a suitable angle for operation to rejoin the rotation By doing so, the fastening can be completed.

In addition, the removable rotary handle 50 may be an arc-shaped plate member located on the concentric circle of the threaded clamp (40).

At this time, the length of the arc constituting the removable rotary handle 50 is produced in a length corresponding to the 1/2 ~ 4/1 section of the concentric circles.

In addition, the removable rotary handle 50 is usually stored in the state fitted to the bolt head 48 provided on the concentric circle of the threaded clamp 40, the bolt during the screw construction of the threaded clamp 40 Separate from the head 48 and then recombine, by rotating the coupling angle of the hexagonal fastening hole 51 and the bolt head 48 provided at both ends at intervals of 60 degrees, the handle angle in accordance with the working site conditions Can be adjusted.

In addition, by inserting the pipe (P) to the integrated rotary handle (40a) it can increase the length of the handle to increase the rotational force.

In addition, by forming the reinforcing rib 40b at the branching points of the rotary knob 40a and the screw clamp 40, the stress can be dispersed.

In addition, the bolt head 48 may have a lateral hole 48a formed therein, and a work tool such as a driver D may be inserted into the lateral hole 48a to be used.

The present invention has a small number of parts, easy to manufacture, and easy connection work in connecting the straight pipe and the release pipe for water supply and sewage, and the clamping force after connecting the straight pipe and the release pipe acts uniformly and satisfactorily, so that there is a fear of deviation from each other. It also has the effect of suppressing leakage due to aging by preventing gaps caused by water pressure between the connected conduits.

The present invention by connecting the upper and sewer pipe and the release pipe using a screw clamp, so that the connection work is easy and fast, as well as the clamping force on the sealing ring is applied uniformly and stably, by the water pressure It has the effect of minimizing leakage problems.

Still another object of the present invention is to screw the screw clamp to the release tube, so that it can be easily installed using a rotary handle formed on the screw clamp itself without using a separate work tool, thereby reducing the work time. Has the effect.

1 is an exploded perspective view showing a pipe connection assembly structure provided with a rotation knob of the prior art.
Figure 2 is a cross-sectional view illustrating a pipe connection assembly structure provided with a rotary knob of the prior art.
Figure 3 is an exploded perspective view showing a pipe connection assembly structure provided with a rotary knob according to an embodiment of the present invention.
Figure 4 is a perspective view of the coupling of the pipe connection assembly provided with a rotary knob according to an embodiment of the present invention.
Figure 5 is an exploded cross-sectional view of a pipe connection assembly provided with a rotary knob according to an embodiment of the present invention.
Figure 6 is a coupling cross-sectional view of the pipe connection assembly provided with a rotary knob according to an embodiment of the present invention.
Figure 7 is a schematic diagram showing an example of fastening the screw clamp using a rotary handle in accordance with an embodiment of the present invention.
8 is a schematic diagram showing an example of using a pipe or a driver instead of a rotary knob as another embodiment of the present invention.

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

In the present invention, the pipe connection assembly with a rotary handle for connecting the flange of the pipe having a straight pipe (2) and valves, etc. used for water, sewerage, etc., the release pipe 20 of the socket structure, the sealing ring 30, the flat washer 31, a threaded clamp 40, and a rotary knob 50.

Screw type clamp 40 having a characteristic configuration in the present invention is a part that performs the role of bolts and nuts at the same time as the conventional pressure ring, the release tube 20 is a release tube (4 of Figure 1) and the existing socket structure and The internal structure of the socket part 24 has the other characteristic.

The release tube is formed and used as a variety of structures, as an example of the present invention shows a release tube 20 having a structure in which the flange portion 22 is formed at one end and the socket portion 24 is integrally formed at the other end. .

The flange portion 22 of the tubular body having a valve or the like is fastened to the flange portion 22 of the release tube 20, and the sealing ring 30, the flat washer 31, and the straight tube 2 are connected to the socket portion 24 of the release tube 20. Are inserted sequentially.

In the socket portion 24 of the release tube 20, a straight pipe insertion groove 25 into which a straight pipe 2 can be inserted is formed. The straight pipe insertion groove 25 has a sealing ring 30 and a flat washer 31. An inner thread portion 28 is formed to extend outwardly of the sealing ring seating portion 26 and the sealing ring seating portion 26 to be press-fitted.

The inner surface screw portion 28 is a cross-sectional inclined shape in which the inner diameter gradually narrows as it goes inward.

Threaded clamp 40 of the present invention is a cylindrical body having a coupling hole 44 that can be inserted into the straight pipe (2), the socket portion 24 of the release tube 20 on the cylindrical outer surface of the threaded clamp (40) In the inner inner thread portion 28, a threadable outer thread portion 43 is formed.

In addition, the front portion of the threaded clamp 40 is formed radially incision wedge grooves 42 in which two or more portions are partially cut in the longitudinal direction, so that the front outer circumferential surface is clamped while the threaded clamp 40 is screwed in. When the force is applied, the incision wedge grooves 42 may be pressed to press the straight pipe 2 inserted into the inner coupling hole 44.

In addition, the inner surface of the coupling hole 44 of the threaded clamp 40 forms annular saw teeth 46, but the teeth 46 are the straight pipe (2) of the coupling hole 44 of the screw clamp 40 In the inner side of the straight pipe insertion groove 25 of the socket portion 24 so that it is easy to withstand the internal expansion pressure received by the straight pipe 2 after being clamped to the screw fastener 40 easily. It has an interference-type tooth structure formed inclined to.

In addition, a plurality of integral rotary knobs 40a extend radially around the circumferential direction of the rear of the screw clamp 40.

The integrated rotary handle 40a is to allow the operator to hold and turn by hand when the screwing clamp 40 is fastened, and may be dividedly installed in 2 to 4 directions. ) Can be useful when the diameter of the water and sewage pipes are small, and even if the diameter is large, the screw fasteners 40 are held by hand to a certain depth and rotated to allow the coupling to proceed quickly and easily. It can shorten the construction period.

And, according to one embodiment of the present invention is provided with a removable rotary handle 50 in the concentric surface of the screw clamping mechanism 40 is formed with the integral rotary handle (40a).

The removable rotary knob 50 is made of an arc-shaped plate material located on the concentric circle of the threaded clamp 40.

At this time, the length of the arc constituting the removable rotary handle 50 may be formed to correspond to approximately 1/2 to 1/4 of the concentric circle.

The removable rotating handle 50 is usually managed in a state fitted to the bolt head 48 provided on the concentric circle of the threaded clamp 40, the bolt head during the screw construction work of the threaded clamp 40 After the separation in 48), it recombines and serves as a rotation knob for applying rotational force.

At this time, the hexagonal fastening hole 51 which is opposite to the bolt head 48 is formed at both end portions of the detachable rotary knob 50.

Therefore, it is possible to rotate the coupling angle between the hexagonal fastening hole 51 and the bolt head 48 at an interval of 60 degrees, which is an installation angle of the removable rotary knob 50 in accordance with the space conditions at the work site. Can be changed in various ways, which allows the worker to work in a more convenient posture.

In addition, the removable rotary handle 50 is provided with a pipe connection assembly, does not need to provide a separate working tool, has the advantage that can be used quickly and easily as a customized working tool.

At this time, depending on the size of the upper and sewer pipes may occur when the hand can not be turned, in this case, by inserting the pipe (P) to the integral rotary handle (40a) may extend the length of the handle to increase the rotational force.

At this time, the reinforcement portion 40b is formed at the branching points of the integral rotary knob 40a and the screw clamp 40 where the rotational force is concentrated to concentrate the stress, thereby preventing the stress from being concentrated. .

In addition, by forming the lateral hole 48a in the bolt head 48, a work tool such as the driver D may be inserted as needed.

Hereinafter, a pipe connection process using a pipe connection assembly according to the present invention will be described.

First, the worker inserts the sealing ring 30 and the flat washer 31 into the sealing ring seating portion 26 in the socket portion 24 of the release tube 20, and then screwed into one end of the straight pipe (2). One end of the straight pipe 2 is inserted into the straight pipe insertion groove 25 of the socket part 24 in the release pipe 20 in the state in which the recess 40 is inserted.

Next, the threaded clamp 40 may be screwed into the socket 24 of the release tube 20 to be coupled.

At this time, the threaded clamp 40 is inserted into the socket 24 of the release tube 20, and the handheld rotary knob 40a formed on the threaded clamp 40 is held by hand to rotate the screw to a predetermined depth. Be sure to

Thereafter, the detachable rotary knob 50 is detached for finishing, and the use of the handle is recombined at a suitable angle.

The operator can hold the bar portion 53 of the detachable rotary handle 50 by hand to apply a force to rotate the screw clamping hole 40, so that a stronger connection can be made.

Due to this, the outer thread portion 43 of the threaded clamp 40 and the inner threaded portion 28 of the socket 24 of the release tube 20 are gradually inserted into the thread bite, and the threaded clamp 40 Wedge grooves 42 in the front are closed by the inner side washer 28, which is narrowed by the gradually narrowing inner threaded portion 28 in the socket portion 24, and at the same time, the sealing ring protected by the inner flat washer 31. 30 is pressed forward strongly and the watertight is made, the tightening operation is completed.

As described above, the connection assembly of the present invention, which has completed the fastening, has the screw clamp 40 pressing the sealing ring 30 in the release tube 20 at a uniform clamping force from the rear and the coupling hole of the screw clamp 40. Forced teeth 46 formed in the inner diameter of the 44 can double press the straight pipe (2) it is possible to firmly maintain the fastening state.

Pipe connection assembly according to the present invention having the above-described configuration and assembly process is connected to the upper and sewer pipe and the release pipe using a screw clamp, so that the connection work is easy and fast, and also the sin for the sealing ring By allowing the force to be applied uniformly and stably, it is possible to minimize the leakage problem due to the hydraulic pressure, and when screwing the screw clamping to the release pipe, the rotary handle formed on the screw clamping itself without using a separate work tool By simplifying the construction, it is possible to shorten the working time.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments.

Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined by the claims and their equivalents.

2: intuitive 20: release tube
22: flange portion 24: socket portion
25: straight pipe insert groove 26: seal ring seat
28: internal thread part 30: sealing ring
40: screw clamp 40a: integral rotary handle
42: partial incision wedge 43: outer thread
44: coupling hole 46: toothed
48: bolt head 48a: lateral hole
50: detachable rotary knob 51: hexagonal fastening hole
53: bar section

Claims (9)

A release tube 20 forming a straight pipe insertion groove 25 having a sealing ring seating portion 26 and an inner threaded portion 28 in the socket portion 24, and a sealing ring inserted into the sealing ring seating portion 26. 30, and the threaded clamp 40 having the outer threaded portion 43 screwed to the inner threaded portion 28 is coupled in sequence, the screwed clamp 40, the sealing ring 30, the release tube ( 20. A pipe connection assembly adapted to connect a straight pipe 2 in turn through 20),
The screw clamp 40 is a cylindrical body having a coupling hole 44 that can be inserted into the straight pipe (2), the cylindrical outer surface of the screw clamp (40) in the socket portion 24 of the release tube 20 The inner threaded portion 28 is provided with a screwable outer threaded portion 43, and in the front portion, two or more incised wedge grooves 42 are formed radially in the longitudinal direction, so that the threaded clamp 40 When the front outer circumferential surface is subjected to the clamping force while the screw is inserted, the incision wedge grooves 42 are pressed to press the straight pipe 2 inserted into the inner coupling hole 44, and the screw clamping hole 40 The inner surface of the coupling hole 44 is formed with annular teeth 46, but formed of an interference type tooth structure inclined toward the inner side of the straight insertion groove 25 of the socket portion 24, the screw clamp ( Around the circumferential circumference of the rear of 40, a plurality of integral rotation knobs (40a) are formed radially extending, screw tightening The operator can hold and turn by hand during the fastening operation of the sphere 40, and the detachable rotary knob 50 is attached to the inside of the concentric surface of the screw-type clamping mechanism 40 in which the integral rotary knob 40a is formed. 48) Removably coupled to the handle, characterized in that the detachable rotary handle 50 is separated and recombined according to the working environment to rotate the screw clamping mechanism 40 with a strong rotational force to complete the tightening operation. Pipe connection assembly, characterized in that provided.
The method of claim 1,
The integrated rotary handle (40a) is a pipe connection assembly, characterized in that to be installed in two to four directions on the outer periphery of the screw clamping mechanism (40).
delete The method of claim 1,
The removable rotary handle 50 is a pipe connection assembly, characterized in that the arc-shaped plate located on the concentric circle of the threaded clamp (40).
The method of claim 4, wherein
The length of the arc forming the removable rotary handle 50 is a pipe connection assembly, characterized in that formed in the length corresponding to the 1/2 ~ 1/4 section of the concentric circles.
The method of claim 1,
The detachable rotary knob 50 is usually stored in the state fitted to the bolt head 48 provided on the concentric circle of the threaded clamp 40, the bolt head during the screw construction of the threaded clamp 40 After separating at (48), but recombination, by rotating the coupling angle of the hexagonal fastening hole 51 and the bolt head 48 provided at both ends at intervals of 60 degrees, to adjust the handle angle according to the conditions of the work site Pipe connection assembly characterized in that.
The method of claim 1,
Pipe fitting assembly characterized in that to increase the rotational force by extending the length of the handle by fitting the pipe (P) to the integral rotation handle (40a).
The method of claim 1,
Pipe joint assembly, characterized in that the stress is distributed by padding the reinforcement portion (40b) formed at the branch of the rotary knob (40a) and the threaded clamp (40).
The method of claim 1,
The bolt head 48 is formed so that the lateral hole (48a) is formed, the pipe connection assembly, characterized in that to use the work tool such as a driver (D) in the lateral hole (48a).

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