KR101678151B1

KR101678151B1 - Pipe fastening devices

Info

Publication number: KR101678151B1
Application number: KR1020150079760A
Authority: KR
Inventors: 이진호
Original assignee: 주식회사 코셉솔루션; 이진호
Priority date: 2015-06-05
Filing date: 2015-06-05
Publication date: 2016-11-21

Abstract

According to the present invention, a pipe coupling device couples both pipes (10, 20) having flanges (14, 24) with annular grooves (12, 22), and comprises a plurality of clamps (100) and connection members (120). The clamp (100) comprises an upper support body (110) having a vertically penetrated through hole (112), and a fixing protrusion (118) wherein an upper portion of one side surface thereof is bent to protrude downwards to be inserted into the annular groove (12) of one flange (14); a lower support body (130) having a vertically penetrated screw hole (132), and a fixing protrusion (138) wherein a lower portion of one side surface thereof is bent to protrude upwards to be inserted into the annular groove (22) of the other flange (24); and a coupling bolt (140) which penetrates the through hole (112) of the upper support body (110) and is coupled to the screw hole (132) of the lower support body (130). The connection member (120) is formed in a flat structure having a prescribed thickness and a prescribed length, has an arc shape, comprises a coupling hole (122) formed on both ends thereof and vertically penetrated by the coupling bolt (140), and is mounted between the upper support body (110) and the lower support body (130). The clamps (100, 100) are connected by the connection members (120, 120) to form an annular shape and coupled to the flanges (14, 24) of both pipes (10, 20).

Description

[0001] Pipe fastening devices [0002]

The present invention relates to a piping pipe fastening device, and more particularly, to a piping pipe fastening device which can easily fix a clamp installation position when a piping pipe and a piping pipe are fastened together, and fasten a flange of a piping pipe, And more particularly, to a piping pipe fastening device that can be used for piping.

In various industrial fields, such as semiconductor manufacturing, vacuum chambers are one of the main equipment.

Such a vacuum chamber is provided with a vacuum pump and an exhaust means for exhausting gas, and an exhaust line is provided between the vacuum pump and the exhaust means.

The exhaust line has a structure in which a plurality of piping pipes are connected. A ring-shaped flange is formed at both ends of the piping pipe, and the flanges of the piping pipes to be connected to each other are fixed to each other with a plurality of clamps.

However, it is difficult to clamp the flanges which are butted against each other with the clamps. However, it is not easy to install the clamps at regular intervals on the flange due to the nature of the manual operation. Therefore, And time-consuming problems.

Further, in order to fasten the clamp, the clamp is fastened to the flange by bolts or the like using a fastening tool after the clamp is loaded on the flange. However, there is a problem that the respective torques applied to the plural clamps are not constant from each other, There is a problem that abrasion or damage occurs at the flange portion.

Korean Patent Publication No. 1992-0020114 (November 20, 1992)

SUMMARY OF THE INVENTION The present invention has been conceived in view of the above-mentioned problems, and it is an object of the present invention to provide a piping pipe fastening apparatus in which a plurality of clamps are installed at predetermined intervals by connecting members when a piping pipe and a piping pipe are connected, And it is an object of the present invention to provide a piping pipe fastening device that can easily and conveniently fasten piping pipes that are installed at predetermined intervals and are in contact with each other.

Further, the present invention provides a piping pipe fastening apparatus that can clamp a plurality of clamps with an even torque by keeping the torque applied to the clamp constant by placing the connecting member between the clamps, .

In order to accomplish the above object, the present invention provides a piping pipe fastening apparatus comprising pipe piping (10, 20) for fastening a piping pipe (10, 20) having flanges (14, A fixing protrusion 118 protruding downward is formed so that one side upper portion is bent so as to fit into the ring groove 12 of the one flange 14 A fixing jaw 138 which is bent at one side lower portion and bent upward to fit into the ring groove 22 of the other flange 24 is formed in the upper support 110 and upper and lower screw holes 132, And a fastening bolt (140) penetrating through the through hole (112) of the upper support (110) and fastened to the screw hole (132) of the lower support (130) 100); And a fastening hole 122 through which the fastening bolt 140 passes vertically is formed at both ends of the upper and lower supports 110 and 130, (Not shown). The plurality of clamps 100 'and 100' 'are connected to the flanges 14 and 24 of the piping pipes 10 and 20 by a plurality of connecting members 120' and 120 ' Respectively.

When the upper and lower supports 110 and 130 are assembled with the fixing bolts 140, the fixing jaws 118 and 138 of the lower and upper supports 110 and 130, respectively, A rotation preventing protrusion 114 protrudes from a lower side of the other side of the upper support 110 or another side of the lower support 130 so as to maintain a state in which the lower support 130 faces, A locking groove 134 is formed in the lower portion of the other side of the upper support 110 so that the rotation preventing protrusion 114 is fitted to the rotation preventing protrusion 114.

Further, the clamps other than the clamps on both edges of the plurality of clamps are connected to the two connecting members 120 adjacent to each other in one clamping bolt 140, and one clamping member (Not shown).

According to the piping pipe fastening apparatus of the present invention, when the piping pipe fastening device is used to connect the piping pipe and the piping pipe, a plurality of clamps are provided at predetermined intervals by the connecting members, thereby facilitating positioning of the clamps, It is possible to easily and conveniently fix the piping pipe fitted to the pipe, thereby improving the convenience of the operation and the reliability of the clamping operation, thereby improving the productivity.

Further, since the connecting member is disposed between the clamps, the torque applied to the clamp can be kept constant, so that a plurality of clamps can be fastened with an even torque, thereby enhancing the reliability of the clamping operation, It is possible to prevent abrasion or damage on the flange portion when the clamp is fastened, and as a result, there is an effect that the reliability of the fastening operation and the fishy property are enhanced.

1 is an exploded perspective view of a piping pipe fastening apparatus according to an embodiment of the present invention,
2 is a longitudinal sectional view of a piping pipe fastening apparatus according to an embodiment of the present invention in a state where it is coupled to a flange,
FIG. 3 is an assembled state of a piping pipe fastening apparatus according to an embodiment of the present invention,
4 is a use state diagram of a piping pipe fastening apparatus according to an embodiment of the present invention.

Hereinafter, a piping pipe fastening apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

In describing the present invention, the sizes and shapes of the components shown in the drawings may be exaggerated or simplified for clarity and convenience of explanation. In addition, the terms defined in consideration of the configuration and operation of the present invention may be changed according to the intention or custom of the user, the operator. These terms are to be construed in accordance with the meaning and concept consistent with the technical idea of the present invention based on the contents throughout the present specification.

FIG. 1 is an exploded perspective view of a piping pipe fastening apparatus according to an embodiment of the present invention, FIG. 2 is a longitudinal sectional view of a piping pipe fastening apparatus according to an embodiment of the present invention coupled to a flange, FIG. 4 is a view showing the state of use of the piping pipe fastening apparatus according to the embodiment of the present invention. FIG.

A piping pipe fastening apparatus according to an embodiment of the present invention includes a clamp 100 having a top support 110, a bottom support 130 and a fastening bolt 140 and a connecting member 120.

First, both pipe pipes 10 and 20 have a predetermined length and diameter, and flanges 14 and 24 are joined or formed at ends of the pipe pipes 10 and 20 connected to each other. Flanges 14 and 24 are welded Or the ends of the piping pipes 10 and 20, respectively.

The flanges 14 and 24 are formed with ring grooves 12 and 22 on one side so that the fixing jaws 118 and 138 of the clamp 100 to be described later can be received and fitted.

The clamp 100 includes an upper support 110, a lower support 130 and a fastening bolt 140. The upper support 110 and the lower support 130 are fastened to the piping pipes 10, 20 of the flanges 14, 24 are pulled and fixed to each other.

The upper support 110 has a through hole 112 penetrating vertically and has a fixing jaw 118 bent downward at one side thereof so as to be fitted into the ring groove 12 of the upper flange 14, . A rotation preventing protrusion 114 protrudes from a lower portion of the other side of the upper support 110. The rotation preventing protrusion 114 protrudes from the lower end of the upper support 110 in a state where the fixing jaw 118 of the upper support 110 and the fixing jaw 138 of the lower support 130 face each other So as to prevent rotation about the fastening bolt 140.

The lower support body 130 is formed with a threaded hole 132 penetrating up and down and includes a fixing jaw 138 having one side lower portion bent downward to be fitted into the ring groove 22 of the lower flange 24, . An engaging groove 134 is formed in an upper portion of the other side of the lower supporter 130 so as to engage with the rotation preventing protrusion 114 of the upper supporter 110.

A rotation preventing protrusion 114 protrudes from a lower portion of the other side of the upper support 110 and a locking recess 134 is formed in an upper portion of the other side of the lower support 130 to prevent the rotation preventing protrusion 114 from being caught A rotation preventing protrusion is protruded on the other side of the lower support 130 and a locking groove is formed in a lower portion of the other side of the upper support 110 to prevent the rotation preventing protrusion May be fitted in the latching groove.

The rotation preventing protrusion 114 is inserted into the engaging groove 134 to prevent the upper supporting body 110 and the lower supporting body 130 from rotating with each other when the upper supporting body 110 and the lower supporting body 130 are separated from each other, It is possible to quickly fix the flanges 14 and 24 of the piping pipes 10 and 20 which face each other with the fixing jaws 118 and 138 facing each other.

The fastening bolts 140 are inserted into the threaded holes 132 of the lower support 130 through the through holes 112 of the upper support 110 so as to pull the flanges 14 and 24 of the piping pipes 10 and 20 together Respectively.

A spring washer 160 is provided between the upper support 110 and the head 142 of the fastening bolt 140 to prevent screws from being loosened and a washer 160 is provided to disperse the pressure to protect the upper surface of the upper support 110. [ (150) can be interposed between the fastening bolts (140).

The connecting member 120 has a flat plate structure having a predetermined thickness and a predetermined length, and has a circular arc shape with a side bent. The connecting member 120 is formed at both ends of the connecting member 120 with a fastening hole 122 through which the fastening bolt 140 is vertically passed, and the connecting member 120 is coupled to the upper supporting body 110 and the lower supporting body 130 do.

The connecting member 120 is disposed between the plurality of clamps 100 such that a plurality of clamps 100 are installed at predetermined intervals when the piping pipes 10 and 20 are connected.

That is, as shown in FIG. 3, one side of the first connecting member 120 'is coupled to the first clamp 100', and the first connecting member 120 'is connected to the neighboring second clamp 100' And one side of the second connecting member 120 "adjacent thereto is coupled, and the plurality of clamps are connected to each other by a plurality of connecting members to form a ring shape.

Referring to FIG. 4, in the embodiment of the present invention, for example, six clamps 100 are connected to the outer surface of the flanges 14 and 24 of the pipe pipes 10 and 20 at intervals of 60 degrees by the connecting member 120 . The number of clamps may be varied depending on the length or diameter of the pipe pipe, the clamping force of the clamp, etc., and the present invention is not limited to the number of the characteristics.

Further, the clamps other than the clamps at both edges of the plurality of clamps are connected to the two connecting members 120 adjacent to each other in one clamping bolt 140, and one clamping member (Not shown).

As described above, when the piping pipes 10 and 20 are connected using the piping pipe fastening apparatus according to the present invention, the plurality of clamps 100 are installed at a predetermined interval by the connecting member 120, It is possible to easily and conveniently fix the piping pipe which is brought into contact with each other because the position of the piping pipe can be easily set and the piping pipes are installed at regular intervals. As a result, the convenience of operation and the reliability of the clamping operation are improved and productivity is improved.

In the present invention, since the connecting member 120 is disposed between the clamps 100, that is, between the upper and lower supports 110 and 130, when the clamping bolts are used to clamp the upper and lower supports, So that the torque applied to the clamp can be kept constant. Therefore, it is possible to fasten the plurality of clamps with an even torque, thereby enhancing the reliability of the clamping operation. Further, when the clamp is clamped due to excessive torque, it is possible to prevent abrasion or damage on the flange portion. There is an effect of increasing the reliability and fishyness.

The use state of the pipe pipe fastening apparatus according to the present invention having the above structure will be described as follows.

First, the flanges (14, 24) of the pipe pipes (10, 20) to be connected are brought into contact with each other in parallel.

The fastening bolts 140 are inserted into the fastening holes 122 formed at one side of the spring washer 150, the washer 150, the through hole 112 of the upper support 110 and the connecting member 120, 130 to the screw holes 132 of the screw holes.

Another clamp 100 is coupled to the coupling hole 122 formed on the other side of the coupling member 120 so that the coupling bolt 140 is inserted into the spring washer 150, the washer 150, The screw hole 132 of the lower support body 130 is inserted into the fastening hole 122 formed at the other side of the through hole 112 and the connecting member 120 and the fastening hole 122 formed at one side of another connecting member 120, .

In this case, according to the embodiment of the present invention, six clamps 100 are required to be connected to the outer circumferential surface of the flange at intervals of 60 degrees with the connecting member 120 , And five connecting members 120 are required.

Then, the fixing jaws 118 and 138 of the clamp 100 are fitted into the ring grooves 12 and 22 of the flanges 14 and 24 to be fastened, and the fastening bolts 140 are fastened with the fastening tools, 20 can be fixed.

The embodiments of the present invention described above and shown in the drawings should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art can improve and modify the technical idea of the present invention in various forms. Accordingly, these modifications and variations are intended to fall within the scope of the present invention as long as it is obvious to those skilled in the art.

100: clamp 110: upper support
112: through hole 114: rotation preventing projection
118: fixing jaw 120: connecting member
122: fastening hole 130: lower support
132: screw hole 134: latching groove
138: fixing jaw 140: fastening bolt
150: Washer 160: Spring washer

Claims

(10, 20) having flanges (14, 24) formed with ring grooves (12, 22)
And an upper support body 110 having a through hole 112 penetrating therethrough and having a fixing jaw 118 bent downward at one side thereof so as to be fitted into the ring groove 12 of the one flange 14, And a fixing jaw 138 protruding upward is formed so that one side lower portion is bent so as to be fitted into the ring groove 22 of the other flange 24, And a clamping bolt (140) including a support body (130) and a fastening bolt (140) penetrating the through hole (112) of the upper support body (110) and fastened to the screw hole (132) of the lower support body In a piping pipe fastening device,
A fastening hole 122 is formed at both ends of the fastening bolt 140 so that the fastening bolt 140 is vertically passed through the fastening bolt 140. The fastening bolt 140 is formed between the upper supporting body 110 and the lower supporting body 130 And a connecting member (120)
A plurality of clamps 100 'and 100''are connected to a plurality of connecting members 120' and 120 '' to form a ring shape. The flanges 14 and 24 of the piping pipes 10 and 20 are spaced at predetermined intervals Respectively,
Other clamps other than the clamps on both edges of the plurality of clamps are connected to two connecting members 120 adjacent to one clamping bolt 140. One clamping member 120 ) Are coupled to each other.

The method according to claim 1,
When the upper support 110 and the lower support 130 are assembled with the fastening bolts 140, the fastening protrusion 118 of the upper support 110 and the fastening protrusion 138 of the lower support 130 face each other A rotation preventing protrusion 114 protrudes from a lower portion of the other side of the upper support 110 or an upper portion of the other side of the lower support 130 to maintain the state of the lower support 130, Wherein a locking groove (134) is formed in a lower portion of the other side of the main body (110) to receive the rotation preventing protrusion (114) so as to correspond to the rotation preventing protrusion (114).

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