KR20200122752A - Compression tool for pipe connecting - Google Patents

Abstract

The present invention relates to a compression tool for pipe connection. The present invention provides a compression tool for pipe connection including: one or more support blocks (100) each of which encompasses a connection piping accessory (10) and has an inner surface formed in a circular arc corresponding to the outer surface of the connection piping accessory (10); a left operation block (200); a right operation block (300); and a fixation means (400) forcing the left operation block (200) and the right operation block (300) to come in contact with each other. Therefore, the present invention has safety effects that prevents an accident by preventing the support blocks (100), and the left and the right operation block (200, 300) from being instantly separated when pressure is released, and can reduce a phenomenon of being stuck like a scratch or a stab on all or a portion of the outer side of the connection piping accessory (10).

Description

Compression tool for pipe connecting}

The present invention relates to a crimping tool for connecting pipes to squeeze a pipe to be fastened between two pipes, and more particularly, to a support block for crimping a connection pipe part for connecting different pipes and a fastening of adjacent operation blocks A new shape that simplifies the structure and improves stability by fixing the support block and the operation block to prevent them from spreading elastically, and to reduce chewing, such as scratches or cuts, on the whole or part of the outer surface of the connecting pipe part. It relates to a crimping tool for pipe connection according to.

In general, when a pipe is constructed, a connection between two pipes is performed by using a separate connection piping part or by combining the two pipes so that they overlap each other, and then pressing the overlapping parts with each other with a crimping tool for pipe connection.

Such a pipe compression fastener includes two operation blocks gripped by the pressurization tool, and one or more support blocks that are rotatably connected to each other while being coupled to the ends of the two operation blocks with a coupling pin, respectively. Registered Patent No. 10-0578450, Registered Patent No. 10-0685802, Registered Patent No. 10-0762293, Registered Patent No. 10-1176001, Published Utility Model No. 20-2012-005930, Registered Patent No. 10-1034454 , Registration Patent No. 10-1169664, Registration Patent No. 10-1475375 as disclosed.

As described above, in the case of the conventional crimping tool for pipe connection, crimping is achieved by enclosing and pressing the connection pipe part with the operation block and the support block using a pressing tool. At this time, there is a risk as the operation block and the support block that pressurized the connection pipe part when the user removes the pressurizing tool or when the pressurization is finished, the operation block and the support block that pressurized the connection pipe part open at an instant.

In particular, since the above tool is relatively large and heavy, the instantaneous opening of the operation block and the support block surrounding the connection pipe part occurs as a problem that may lead to a major accident.

In addition, the conventional crimping tool for pipe connection described above causes the connection pipe part and the outer surface of the pipe to be chewed between the blocks that surround the connection pipe part and pressurize in the direction of the central axis of the connection pipe part, and excessive chewing. The phenomenon has a problem that leads to corrosion and leakage of pipes.

Registered Patent No. 10-0460205 Registered Patent No. 10-0578450 Registered Patent No. 10-0685802 Registered Patent No. 10-0762293 Registered Patent No. 10-1176001 Public Utility Model No. 20-2012-0005930 Registered Patent No. 10-1034454 Registered Patent No. 10-1169664 Registered Patent No. 10-1475375

The present invention was conceived to solve various problems according to the above-described prior art, and an object of the present invention is to simplify the fastening structure of a support block for compressing connection pipe parts for connecting different pipes and neighboring operation blocks In addition, the support block and the operation block are fixed so as to prevent them from spreading elastically to each other, thereby increasing stability and reducing the chewing phenomenon such as scratches or dents on the entire or part of the outer surface of the connecting pipe part. It is to provide a crimp tool for connection.

The crimping tool for pipe connection of the present invention for achieving the above object surrounds the connection pipe part, and at least one support block having an arc-shaped support surface corresponding to the outer surface of the connection pipe part is formed on the inner surface, and the support block The left operation block is rotatably connected and installed on the left side, and an arc-shaped operation surface having a curvature corresponding to the support surface is formed on the inner surface, and the support block is rotatably connected and installed on the right side of the support block. Consisting of including a right operation block on which an arc-shaped operation surface having a curvature corresponding to the surface is formed, the center of the support surface is formed to protrude in an arc shape corresponding to the outer surface of the connection pipe part, and each operation surface The central portion of the connection pipe is characterized in that the protrusion is formed in an arc shape corresponding to the outer surface of each.

Here, both corners of the support surface and the operation surface, and both corners of the center protruding from the support surface and the operation surface are chamfered to be round.

In addition, at one end of the support block or the left and right operation blocks, a block hinge configured to rotatably couple the one or more support blocks to each other or between the support block and the left and right operation blocks, and the at least one support block or It is characterized in that the support block and the left and right operation blocks are provided with a forcing means for forcing the block hinge to be rotated on an axis to open each other or to surround the outer surface of the connecting pipe part.

In addition, it characterized in that it further comprises a fixing means provided at the front end of the left and right operation block, respectively, forcing the left and right operation blocks to contact each other.

In addition, the fixing means, one end in contact with the left operation block, the other end to the fixing pin in contact with the right operation block, and one end of the fixing pin is rotatably connected to the left operation block or the right operation block. It characterized in that it has a configuration including a pin hinge, and an attachment end for fixing the other end of the fixing pin to selectively contact and fix the right operation block or the left operation block.

In the crimping tool for pipe connection of the present invention as described above, the support block and the left and right operation blocks distribute uniform crimping force to the connection pipe part by using a pressing tool, so that the work for crimping the connection pipe part is possible. The left operation block and the right operation block are kept in contact with each other through a fixing means, thereby preventing the support block and the operation block from being opened instantaneously when the pressure is released.

In addition, the crimping tool of the present invention, when each block pressurizes the outer surface of the connection pipe part connecting different pipes, and when the connection pipe part and the pipe are crimped, the connection pipe part and the entire outer surface of the pipe or part of the connection pipe part and the pipe are scratched or stamped. It has the effect of preventing the occurrence of corrosion and leakage of pipes connected by compression by reducing the chewing phenomenon of the back.

1 is a plan view showing a crimping tool for pipe connection according to an embodiment of the present invention
2 is a plan view showing a state in which the force means of the crimping tool for pipe connection according to an embodiment of the present invention is compressed
3 is a plan view showing a state during a crimping operation using a crimping tool for pipe connection according to an embodiment of the present invention
4 is a plan view illustrating a crimping tool for pipe connection according to another embodiment of the present invention
5 is a partially enlarged view of "I" in FIG. 4

Hereinafter, a preferred embodiment of the crimping tool for pipe connection of the present invention will be described with reference to FIGS. 1 to 4.

1 is a plan view showing a crimping tool for pipe connection according to an embodiment of the present invention, and Fig. 2 is a view illustrating a state in which the force means of the crimping tool for pipe connection according to an embodiment of the present invention is compressed 4 is a plan view showing a pressure tack tool for pipe connection according to another embodiment of the present invention, and FIG. 5 is a partial enlarged view of “I” in FIG. 4.

As shown in these drawings, the crimping tool for pipe connection according to the embodiment of the present invention is largely one or more support blocks 100, left operation block 200, right operation block 300, and block hinge 150a. , 150b), and a forcing means (160a, 160b), and in particular, the left operation block 200 and the right operation block 300 are installed including a fixing means 400 for fixing so as to contact each other. To do.

That is, in the present invention, in a state in which each block (100, 200, 300) is installed to surround the connection pipe part (10), the fixing means (400) is fixed to each other of the left operation block (200) and the right operation block (200). Through this, each of the blocks 100, 200, and 300 is prevented from spreading.

This will be described in more detail for each configuration as follows.

First, the support block 100 is configured to form a block for pressing and compressing the outer surface of the connection pipe part 10 to be processed.

The inner surface of the support block 100 is formed with a support surface 110 in an arc shape corresponding to the outer surface of the connection pipe part 10, and the center of the support surface 110 is the connection pipe part 10 Support block support block chamfering portions 120a and 120b are formed to protrude in an arc shape corresponding to the outer surface of (as high as "h" in FIG. 5), and both edges of the support surface 110 are chamfered to be round. Is done. This is as shown in the accompanying FIG. 5.

That is, the support surface 110 of the support block 100 is the same as the outer diameter of the connection pipe part 10 to correspond to the outer surface of the connection pipe part 10 After that, the second processing is performed on both sides of the support surface 110 to a size larger than the size of the first processed support surface 110, so that the center of the support surface 110 is attached to the connection pipes rather than both sides. It is made to protrude toward (10).

In addition, the chamfering operation is performed to round the corners of both sides of the support surface 110 and the corners generated in the first and second processing described above.

In addition, the support block 100 may be formed by being rotatably coupled to each other in two or more.

Next, the left and right operation blocks 200 and 300 are interlocked to pressurize and compress the outer surface of the connection pipe part 10 together with the support block 100 by a pressing tool (not shown). .

Here, as shown in Fig. 1, the upper end of the left operation block 200 is connected to the left side of the support block 100, and the right operation block 300 has an upper end connected to the right side of the support block 100. Installed.

In addition, an arc-shaped operation surface 210 and 310 having a curvature corresponding to the support surface 110 is formed on the inner surfaces of the left and right operation blocks 200 and 300, respectively, and each operation surface 210 thereof , The central portion of 310) is formed in an arc shape corresponding to the outer surface of the connection pipe part 10 (as high as "h" in FIG. 5), and both corners of the operation surfaces 210 and 310 are round. Upper and lower operation block chamfering portions 220a, 220b, 320a, and 320b with chamfering are formed, respectively. This is as shown in the accompanying FIG. 5.

Here, these left and right operation blocks 200 and 300 are also operated on the support surface 110 of the support block 100 through the same processing as described above, so that the operation surfaces 210 and 310 are connected to the connection pipe parts ( It is made to protrude toward 10).

In addition, gripping protrusions 230 and 330 are respectively extended and formed at the lower ends of the left and right operation blocks 200 and 300 so as to be provided as portions to be gripped by the pressing tool.

When pressing with a pressing tool through the gripping jaws 230 and 330 as described above, the support surface 100 and the operation surfaces 210 and 310 contact each other as the left operation block 200 and the right operation block 300 contact each other. ) Forms a circle around the outer surface of the connecting pipe part 10 and pressurizes it with gripping. In this regard, it is as shown in FIG. 3.

In addition, the pressing block 100 or the left and right operation blocks 200 and 300 may be formed to be gradually wider from an inner diameter to an outer diameter, and the angle may be formed to be 120° or less. This is because the support surface 110 or the operation surfaces 210 and 310 provide a strong pressing force on the outer surface of the connection pipe part 10.

Next, the block hinges (150a, 150b) are provided so that the respective blocks (100, 200, 300) are rotatably coupled to each other, and are installed at the connection part between the blocks (100, 200, 300) do.

That is, in the embodiment of the present invention, as shown in FIG. 1, a block hinge 150a is formed at the left end of the support block 100 to be connected to an upper end of the left operation block 200, and the right operation block ( The block hinge 150b is formed at the top of 300) and is provided to be installed to be connected to the right end of the support block 100.

At this time, each of the blocks 100, 200, and 300 may rotate with respect to the respective axes of the connected block hinges 150a and 150b.

Of course, when the support block 100 is formed of two or more, it is preferable that the two or more support blocks 100 are further coupled to each other by block hinges 150a and 150b.

Next, the forcing means (160a, 160b) is provided to force each block (100, 200, 300) to open each other, or to surround the outer surface of the connection pipe part (10). It is installed between the support blocks 100 or on opposite surfaces between the support blocks 100 and the left and right operation blocks 200 and 300.

Such forcing means (160a, 160b) is the outer side of the block hinges (150a, 150b) among the facing surfaces between the blocks (100, 200, 300) as shown in Figs. 1 to 2 in the embodiment of the present invention. Each is formed from

방향)으로 인장되고, 우측의 강제수단(160b)은 상기 우측조작블럭(300)과 지지블럭(100)이 상기 블럭힌지(150b)를 기준(도 2에서

방향)으로 인장됨으로 상기 좌,우측조작블럭(200, 300)의 두 파지턱(230, 330)은 서로 벌어지게 된다.In particular, the forcing means (160a, 160b) is preferably composed of a tension spring. Accordingly, as shown in FIG. 2, the forcing means 160a on the left side includes the left operation block 200 and the support block 100 based on the block hinge 150a (in FIG. 2).

Direction), and the forcing means 160b on the right side has the right operation block 300 and the support block 100 as a reference (in Fig. 2)

Direction), the two gripping jaws 230 and 330 of the left and right operation blocks 200 and 300 are separated from each other.

Here, when the two gripping jaws 230 and 330 come into contact with each other by an external force, the respective forcing means 160a and 160b are opened and a tensile force is provided to maintain the shape shown in FIG. 2.

In addition, each of the forcing means (160a, 160b) is composed of the above-described tension spring, but is not limited thereto, as shown in Figure 4, each of the forcing means (160a, 160b) may be configured as a torsion spring. .

Each of the forcing means (160a, 160b) composed of a torsion spring is formed in a spiral shape around the block hinges (150a, 150b), and both ends of the support block 100 and the left and right operation blocks 300 ) Is installed by inserting or locking each.

That is, as shown in FIG. 4, one end of the forcing means 160a installed on the left block hinge 150a from the support block 100 is inserted or latched into the support block 100 The other end of the forcing means 160a is installed by inserting or locking into the left operation block 200. In addition, one end of the forcing means 160b installed on the right block hinge 150b based on the support block 100 is installed by insertion or locking into the support block 100, and the forcing means 160b The other end is installed by inserting or engaging the right operation block 300.

Meanwhile, each of the blocks 100, 200, and 300 may be formed to be smaller than the size of each of the blocks 100, 200, and 300 described above. This means that in the case of a tension spring, the facing surfaces between the support block 100 and the left and right operation blocks 200 and 300 protrude outward so that both ends of the tension spring are installed. It should be formed, but in the case of a torsion spring in each of the forcing means (160a, 160b), both ends of the torsion spring can be inserted into the blocks (100, 200, 300) or installed by engaging the support block (100). ), and the opposing surfaces between the left and right operation blocks 200 and 300 need not be formed.

Accordingly, the use of each of the forcing means (160a, 160b) is not changed, and the blocks (100, 200, 300) are formed small, so that the weight is light and the manufacturing cost is reduced, and in a narrow space. There is an effect that the operation is easy.

Next, the fixing means 400 is a configuration provided to fix the contact of the left operation block 200 and the right operation block 300 to each other, and the front end of the left operation block 200 and the right operation block 300 Each is provided and formed.

The fixing means 400 has a fixing pin 410 configured to connect the left operation block 200 and the right operation block 300 to each other, and the fixing pin 410 at one end of the fixing pin 410 A pin hinge 420 that is rotatably connected is configured and includes an attachment end 430 that contacts and fixes the other end of the fixing pin 410.

In particular, in the embodiment of the present invention, the pin hinge 420 is installed at the tip of the lower end of the left operation block 200 as shown in FIG. 1, and the fixing pin 410 is rotatably attached to the pin hinge 420. ) Is installed, and the attachment end 430 is inserted or installed at the front end of the lower end of the right operation block 300.

방향) 가능하고 회전되는 상기 핀힌지(410)의 끝단이 상기 부착단(430)에 접하여 고정된다.Accordingly, the fixing pin 410 is rotated based on the pin hinge 420 (in FIG. 1

Direction) A possible and rotated end of the pin hinge 410 is fixed in contact with the attachment end 430.

Meanwhile, since the fixing pin 410 is made of a metal material and the attachment end 430 is made of a magnetic permanent magnet, the above-described fixing is possible.

Of course, the installation positions of the pin hinge 420 and the attachment end 430 are not limited to the above-described embodiment.

Hereinafter, a process of compressing a connection pipe part and a process of connecting a pipe using a compression tool for connecting a pipe according to an embodiment of the present invention described above will be described in more detail.

First, as shown in the accompanying Figure 2, a connection pipe part 10 connecting different pipes is inserted between the left and right operation blocks 200 and 300 that are opened through tensioning of the two forcing means 160a and 160b. do.

At this time, a part of the outer surface of the connection pipe part 10 is brought into contact with the support surface 110 of the support block 100, thereby preparing for a crimping operation.

And, as shown in the accompanying Figure 3, the two gripping jaws (230, 330) configured at the bottom of the left and right operation blocks (200, 300) are forced by the operation of a pressing tool (not shown). The means 160a and 160b are opened, and the support block 100 and the left and right operation blocks 200 and 300 rotate with respect to the axes of the two block hinges 150a and 150b connected to each other, and the connection The support surface 110 and the operation surfaces 210 and 310 gradually come into contact with the outer surface of the pipe part 10 in this order.

Accordingly, the entire outer surface of the connection pipe part 10 is pressed evenly in the direction of the center of the connection pipe part 10 due to the continuous pressurization of the pressure tool, and the pipe located inside the connection pipe part 10 Also, by being compressed, the connection pipe part 10 is bound to the pipe so that different pipes can be connected.

At this time, the entire outer surface of the connection pipe part 10 or part of the outer surface of the connection pipe part 10 may be excessively chewed due to friction or pressure between the blocks 100, 200, and 300, but the center portion is formed to protrude. The connection pipe part 10 between the spaces provided on both sides of each support surface 110 and each operation surface 210, 310, and each of the chamfered portions 120a, 120b, 220a, 220b, 320a, 320b formed to be rounded. ) It is possible to prevent the occurrence of corrosion and leakage of the connection piping part 10 and the pipe bound thereto as it can significantly reduce the chewing phenomenon due to the pinching of the outer surface.

On the other hand, each of the blocks (100, 200, 300) surrounds the outer surface of the connection pipe part (10) and rotates the fixing pin (410) installed on the left operation block (200) to close the end of the fixing pin (410). It can be fixed in contact with the attachment end 430 of the right operation block 300.

Accordingly, the left operation block 200 and the right operation block 300 are kept in contact with each other, and each of the blocks 100, 200, and 300 continues to maintain the shape surrounding the connection pipe part 10.

Accordingly, when the pressing tool is removed and the pressurization is released, the blocks 100, 200, and 300 are prevented from instantaneous opening with each other, thereby having a safety effect and thus preventing a safety accident.

The scope of the present invention is not limited to the embodiments illustrated above, and within the technical scope as described above, many other modifications based on the present invention will be possible for those skilled in the art.

10. Connection piping parts
100. Support block
110. Support surface
120a, 120b. Support block chamfer
150a, 150b. Block hinge
160a, 160b. Forced means
200. Left operation block
210, 310. Operation surface
220a, 320a. Upper operation block chamfer
220b, 320b. Lower operation block chamfer
230, 330. Gripping jaw
300. Right operation block
400. Fixing means
410. Fixing pin
420. Pin Hinge
430. Attachment end

Claims (5)

One or more support blocks 100 surrounding the connection pipe part 10 and having an arc-shaped support surface 110 corresponding to the outer surface of the connection pipe part 10 formed on the inner surface thereof;
A left operation block 200 which is rotatably connected to the left side of the support block 100 and has an arc-shaped operation surface 210 having a curvature corresponding to the support surface 110 formed on an inner surface thereof;
A right operation block 300 which is rotatably connected to the right side of the support block 100 and has an arc-shaped operation surface 310 having a curvature corresponding to the support surface 110 formed on the inner surface thereof. Is achieved by
The central portion of the support surface 110 is formed to protrude in an arc shape corresponding to the outer surface of the connection pipe part 10,
A crimping tool for pipe connection, characterized in that the central portion of each of the operation surfaces 210 and 310 protrudes in an arc shape corresponding to the outer surface of the connection pipe part 10. The method of claim 1,
Pipe connection, characterized in that both corners of the support surface 110 and the operation surfaces 210 and 310 and both corners of the center protruding from the support surface 110 and the operation surfaces 210 and 310 are rounded Crimping tool. The method of claim 1, wherein one end of the support block (100) or the left and right operation blocks (200, 300),
Block hinges 150a and 150b for rotatably coupling the one or more support blocks 100 to each other or between the support blocks 100 and the left and right operation blocks 200 and 300, and the at least one support block ( 100) or the support block 100 and the left and right operation blocks 200 and 300 rotate the block hinges 150a and 150b around an axis to force them to open each other, or the outer surface of the connecting pipe part 10 Compressing tool for pipe connection, characterized in that it is provided with a forcing means (160a, 160b) forcing to wrap. The method of claim 1,
Fixing means 400 provided at the front ends of the left operation block 200 and the right operation block 300, respectively, and forcing the left operation block 200 and the right operation block 300 to contact each other; further comprising Crimping tool for pipe connection, characterized in that The method of claim 4, wherein the fixing means (400),
A fixing pin 410 having one end in contact with the left operation block 200 and the other end in contact with the right operation block 300;
A pin hinge 420 that allows one end of the fixing pin 410 to be rotatably connected to the left operation block 200 or the right operation block 300;
For pipe connection, characterized in that it has a configuration comprising a; the other end of the fixing pin 410 is fixed in contact with the right operation block 300 or the left operation block 200 selectively Crimping tool.

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