JP2014070691A - Pipeline connecting jig and sanitary pipeline - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pipeline connecting jig capable of improving workability and safety relating to disassembly and assembly and to provide sanitary pipeline.SOLUTION: A pipeline connecting jig used for connecting pipelines includes: an engaging member 16 which is protruded on an outer circumference of one side pipeline 12 and has a claw shape hook part 30 extended in the direction X vertical to the direction of a shaft center C of the pipe line 12 on the top end side 16a of the engagement member, bent toward the connection edge side 12a of the pipeline 12; and a member 18 to be engaged having an arm part 32 which is protruded on the outer circumference of the other side pipeline 14, is extended in the direction X vertical to the direction of the shaft center C of the pipeline 14 and can be hooked by the hook part 30. Therein, when the pipe lines are connected to each other, the arm part 32 is hooked by the hook part 30 in such a state that the shaft center directions of respective pipelines are different from each other and, when at least one side of one side pipeline 12 and the other side pipeline 14 is caused to rotate around the arm part 32 in such a state, the shaft center directions of the respective pipelines accord with each other.

Description

  The present invention relates to a pipe connecting jig used for connecting pipes, and a sanitary pipe provided with the pipe connecting jig.

  Conventionally, sanitary piping has been used as piping for connecting devices in production facilities of pharmaceutical and food manufacturing plants (see, for example, Patent Documents 1 to 9).

  This sanitary piping is generally composed of stainless steel piping material with as much as possible unevenness on the inner surface, disassembling and cleaning or sterilizing the piping as necessary, and the connection is clamped with a ferrule joint welded with a clamp member And fixing.

  As described above, the sanitary piping is disassembled for cleaning, and is reassembled and used at the start of product production. In some cases, disassembling and assembling operations are frequently performed. Therefore, it is also required that the piping can be easily attached and detached in consideration of the workability.

JP 2009-115167 A Japanese Patent No. 4920485 JP 2006-214583 A Japanese Patent No. 3851637 JP 2005-054929 A JP 2000-213682 A JP 2000-046262 A JP-A-9-303618 JP-A-5-177557

  When disassembling and assembling work, if a support member for supporting the work is not attached to the sanitary piping, it takes a lot of work to disassemble / assemble the pipe. If the members constituting the sanitary piping are dropped during the work, there will be risks such as damage to the operator and damage to the sanitary piping itself, surrounding equipment, and the floor.

  8 to 10 are schematic procedures when connecting and assembling a conventional general sanitary pipe. As shown in FIG. 8, when assembling the sanitary piping, first, the gasket 5 is sandwiched between the ferrule joints 3 and 4 of the sanitary piping 1 and 2 (procedure 1). Next, as shown in FIG. 9, the sanitary pipe 2 is pressed with one hand so that the gasket 5 does not fall (procedure 2). Finally, as shown in FIG. 10, the clamp 6 is tightened with the other hand to connect the pipes 1 and 2 (procedure 3). The ferrule joints 3 and 4 are connected by a clamp 6 to be integrated.

  In the above procedure 3, in the case of an operator who is not accustomed to the operation of tightening the clamp 6 with one hand, the work efficiency is reduced and much labor is required, and the risk is further increased. In particular, when the operator has to perform the operation alone, or when the size or weight of the pipe is large, the risk may increase further.

  This invention is made | formed in view of the above, Comprising: It aims at providing the jig | tool for piping connection and sanitary piping which can improve the workability | operativity and safety which concern regarding disassembly / assembly.

  In order to solve the above-described problems and achieve the object, a pipe connecting jig according to the present invention is a pipe connecting jig used for connecting pipes to each other and protrudes from the outer periphery of one pipe. An engagement member having a claw-like hook portion extending in a direction orthogonal to the axial center direction of the pipe on the distal end side thereof, which is bent toward the connection end side of the pipe, and an outer periphery of the other pipe And an engaged member having an arm part that extends in a direction perpendicular to the axial direction of the pipe and that can be hooked by the hook part, and when connecting the pipes, When the hook part is hooked on the arm part in a state where the axial directions are different, and at least one of the one pipe and the other pipe is rotated around the arm part in this state, the axial direction of each pipe is It is characterized by being configured to match.

  According to another aspect of the present invention, there is provided another pipe connecting jig according to the above-described invention, wherein at least one of the engaging member and the engaged member is configured to be detachable from an outer periphery of the pipe. And

  Moreover, the sanitary piping according to the present invention includes the piping connecting jig described in the above-described invention.

  According to the pipe connection jig of the present invention, it is a pipe connection jig used for connecting pipes to each other, protruding from the outer periphery of one pipe, and bent toward the connection end side of the pipe. An engaging member having a hook-like hook portion extending in a direction orthogonal to the axial direction of the pipe at the tip end thereof, and projecting on the outer periphery of the other pipe, and orthogonal to the axial direction of the pipe And an engaged member having an arm part on which the hook part can be hooked, and when connecting the pipes, the hook parts are connected to the arm in a state where the axial directions of the pipes are different. In this state, when at least one of the one pipe and the other pipe is rotated around the arm part, the axial center directions of the pipes are configured to coincide with each other.

  For this reason, when connecting pipes, the weight of one pipe is temporarily supported by the other pipe by hooking one pipe to the arm part of the other pipe via the hook part. Therefore, even if the operator's hand is accidentally separated from one pipe, this pipe is supported by the other pipe, so that it can be prevented from falling.

  Also, when connecting and assembling the pipes, simply hook the hook part to the arm part and rotate one pipe around the arm part so that the axial directions of the pipes match in this state. Can be easily connected. Further, when disassembling the pipe, it is possible to easily remove one of the pipes from the other pipe by simply rotating the one pipe around the arm portion in a direction in which the connection ends are separated from each other.

  Therefore, according to the pipe connection jig of the present invention, it is possible to improve workability and safety related to pipe disassembly and assembly.

FIG. 1 is an exploded perspective view showing a pipe connection jig and sanitary pipe according to Embodiment 1 of the present invention. FIG. 2 is a sectional view in the axial direction of the pipe connection jig and sanitary pipe according to Embodiment 1 of the present invention. FIG. 3 is a sectional view in the axial direction of the pipe connection jig and sanitary pipe according to Embodiment 1 of the present invention. FIG. 4 is a sectional view in the axial direction of the pipe connection jig and sanitary pipe according to Embodiment 1 of the present invention. FIG. 5 is a sectional view in the axial direction of the pipe connection jig and sanitary pipe according to Embodiment 1 of the present invention. FIG. 6 is an exploded perspective view showing a pipe connection jig and sanitary pipe according to Embodiment 2 of the present invention. FIGS. 7A and 7B are side views of the pipe connection jig according to the second embodiment of the present invention, in which FIG. 7A is a diagram related to an engaged member, and FIG. FIG. 8 is a diagram showing a procedure 1 for assembling a conventional sanitary pipe. FIG. 9 is a diagram showing the assembly procedure 2 of the conventional sanitary piping. FIG. 10 is a diagram showing the assembly procedure 3 of the conventional sanitary piping.

  Embodiments of a pipe connection jig and a sanitary pipe according to the present invention will be described below in detail with reference to the drawings. In the following description, a pipe connecting jig used for sanitary pipes that are frequently disassembled / assembled will be described as an example. However, the present invention is not limited to this embodiment.

[Embodiment 1]
First, the first embodiment of the present invention will be described.

  As shown in FIG. 1, the pipe connection jig 10 according to the first embodiment is a pipe connection jig used to connect sanitary pipes 12, 14 to each other. Engaging member 18. Here, ferrule joints 20 and 22 are provided on the connection end sides 12a and 14a of the pipes 12 and 14, and a gasket 24 is sandwiched therebetween. For convenience of explanation, FIG. 1 does not show clamps that connect the ferrule joints 20 and 22.

  The engaging member 16 protrudes upward on the outer peripheral surface of the pipe 12 by welding, is bent in an L shape toward the connection end side 12a, and has a plate-like vertical portion 26 and a horizontal portion 28. And a hook portion 30. The hook portion 30 is a claw-shaped portion that extends in the direction X orthogonal to the axial direction C of the pipe 12 on the distal end side 16a of the engaging member 16, and has a U-shaped cross section when viewed in the X direction.

  The engaged member 18 includes an arm portion 32 and a support portion 34 that supports both ends of the arm portion 32. The support portion 34 is two rod-like portions that protrude upward from the outer peripheral surface of the pipe 14 by welding. The arm portion 32 is a rod-like portion extending in the orthogonal direction X of the axial direction C of the pipe 14, and the hook portion 30 can be hooked thereon. Note that the length of the hook portion 30 in the X direction is shorter than the length of the arm portion 32 in the X direction.

  In the above configuration, the hook portion 30 is hooked on the arm portion 32 in a state where the axial directions C of the pipes 12 and 14 are different, and at least one of the one pipe 12 and the other pipe 14 is connected to the arm portion in this state. When rotated about 32, the axial directions C of the pipes 12 and 14 are configured to coincide with each other.

  Next, a sanitary pipe connection method using the pipe connection jig 10 according to the first embodiment will be described. 2-5 has shown the schematic assembly procedure of the sanitary piping using the jig | tool 10 for piping connection which concerns on this Embodiment 1. FIG.

  When assembling the sanitary piping, first, as shown in FIGS. 2 and 3, with the gasket 24 sandwiched between the ferrule joints 20 and 22, one piping 12 is inclined and the hook portion 30 of the engaging member 16 is inserted. Is hooked on the arm portion 32 of the engaged member 18 of the other pipe 14. In this state, as shown in FIG. 3, the axial directions C1 and C2 of the pipes 12 and 14 are different from each other.

  Next, as shown in FIGS. 3 and 4, when one pipe 12 is rotated around the arm portion 32 in the clockwise direction in the figure, a gasket 24 is sandwiched between the ferrule joints 20 and 22, and each pipe 12 , 14 coincide with each other in the axial direction C. Note that the rotation of the pipe 12 around the arm portion 32 is automatically performed by the weight of the pipe 12, so that the operator's effort is hardly required. Further, since the gasket 24 is pressed against the ferrule joint 22 side by the rotational force of the pipe 12 around the arm portion 32, the gasket 24 does not fall even if the pipe 12 is not pressed against the pipe 14 by hand.

  And finally, as shown in FIG. 5, the clamp 36 is fastened to a connection part and it externally fits, and piping 12 and 14 are connected. The ferrule joints 20 and 22 are connected by a clamp 36 to be integrated. The clamp 36 has a fitting recess on the inner peripheral surface, and both side walls thereof are fitted to the taper surface portions for fastening of the ferrule joints 20 and 22.

  As described above, according to the pipe connecting jig 10 according to the first embodiment, when connecting the pipes 12 and 14, one pipe 12 is connected to the arm section 32 of the other pipe 14 via the hook section 30. , The weight of one pipe 12 is temporarily supported by the other pipe 14. Therefore, even if the operator's hand is mistakenly separated from the one pipe 12, the pipe 12 is supported by the other pipe 14 and can be prevented from falling.

  Further, when connecting and assembling the pipes, the hook part 30 is hooked on the arm part 32, and in this state, one pipe 12 is rotated around the arm part 32 so that the axial directions of the pipes coincide with each other. Thus, the pipes can be easily connected. Further, when disassembling the pipe, the one pipe 12 is rotated from the other pipe 14 to the one pipe 12 only by rotating the one pipe 12 around the arm portion 32 in the direction in which the connection ends are separated (counterclockwise in FIG. 4). Can be easily removed.

  Therefore, according to the pipe connection jig 10 of the first embodiment, it is possible to improve the workability and safety related to the pipe disassembly and assembly.

  Further, according to the pipe connection jig of the present invention, it becomes possible for an operator involved in disassembly / assembly to easily and safely perform disassembly / assembly operation of the sanitary pipe. Not only during trial operation, but also in situations where disassembly and assembly operations are performed after delivery to the customer, it is possible to contribute to improving work efficiency and safety. Further, the pipe connection jig of the present invention is suitable for a pipe connection part that is frequently disassembled / assembled, but is particularly effective for a heavy sanitary pipe connection part.

[Embodiment 2]
Next, a second embodiment of the present invention will be described. The second embodiment is an example of a type in which the pipe connection jig of the present invention can be easily detached from the sanitary pipe. In the following description, members having the same reference numerals described in the first embodiment have the same configuration as described above, and thus detailed description thereof is omitted.

  As shown in FIGS. 6 and 7, the pipe connection jig 100 according to the second embodiment further includes halved clamps 38 and 40 that can be fitted onto the sanitary pipes 12 and 14. The clamps 38 and 40 can be easily attached to and detached from the pipes 12 and 14 without using a tool. The engaging member 16 is welded and fixed above the outer periphery of the clamp 38 via the vertical portion 26, and the engaged member 18 is welded and fixed above the outer periphery of the clamp 40 via the support portion 34.

  As shown in FIG. 7, the clamps 38 and 40 are respectively connected to first and second clamp members 42 and 44 formed in an arc shape, and one ends of both clamp members 42 and 44. A connecting piece 46 that is rotatably connected, a bolt 48 that is connected to a mounting convex portion 42 a provided at the other end of the clamp member 42, and passes through the mounting convex portion 44 a of the clamp member 44, and is screwed into the bolt 48. And a wing nut 50 to be worn. The inner peripheral surfaces of the clamps 38 and 40 are covered with a non-slip material such as urethane, for example, and can be tightly fixed to the outer peripheral surfaces of the sanitary pipes 12 and 14.

  Therefore, according to the pipe connection jig 100 of the second embodiment, as with the pipe connection jig 10 of the first embodiment, the workability and safety relating to pipe disassembly and assembly are improved. There is an effect that can be.

  In particular, the pipe connection jig 100 according to the second embodiment does not require welding of the jig to the pipe as compared with the pipe connection jig 10 according to the first embodiment. Via the pipes 12 and 14. Therefore, it is particularly suitable as a jig for connecting a sanitary pipe in a clean room or the like where welding of the jig to the pipe is not permitted, or dust is not easily collected and cleaning is required.

  In the above embodiment, the case where both the engaging member 16 and the engaged member 18 are fixed to the pipes 12 and 14 via the clamps 38 and 40 has been described. For example, any one of the engaging member 16 and the engaged member 18 may be configured to be detachable from the outer periphery of the corresponding pipe.

  As described above, according to the pipe connecting jig of the present invention, it is a pipe connecting jig used for connecting pipes, and protrudes from the outer periphery of one pipe, and connects the pipes. An engagement member having a claw-like hook portion extending in a direction orthogonal to the axial center direction of the pipe on the tip side bent toward the end side, and projecting on the outer periphery of the other pipe, And an engaged member having an arm part that extends in a direction orthogonal to the axial direction and on which the hook part can be hooked, and when connecting the pipes, the axial direction of each pipe is different. The hook part is hooked on the arm part, and when at least one of the one pipe and the other pipe is rotated around the arm part in this state, the axial center directions of the pipes are configured to coincide with each other. Yes.

  For this reason, when connecting pipes, the weight of one pipe is temporarily supported by the other pipe by hooking one pipe to the arm part of the other pipe via the hook part. Therefore, even if the operator's hand is accidentally separated from one pipe, this pipe is supported by the other pipe, so that it can be prevented from falling.

  Also, when connecting and assembling the pipes, simply hook the hook part to the arm part and rotate one pipe around the arm part so that the axial directions of the pipes match in this state. Can be easily connected. Further, when disassembling the pipe, it is possible to easily remove one of the pipes from the other pipe by simply rotating the one pipe around the arm portion in a direction in which the connection ends are separated from each other.

  Therefore, according to the jig for pipe connection of the present invention, workability and safety relating to pipe disassembly and assembly can be improved.

  As described above, the pipe connection jig according to the present invention is useful for pipes that are frequently disassembled and assembled, and in particular, sanitary used as pipes for connecting apparatuses in production facilities of pharmaceutical and food manufacturing plants. Suitable for piping.

DESCRIPTION OF SYMBOLS 10,100 Pipe connection jig | tool 12,14 Sanitary piping 12a, 14a Connection end side 16 Engagement member 16a Tip side 18 Engagement member 20,22 Ferrule joint 24 Gasket 26 Vertical part 28 Horizontal part 30 Hook part 32 Arm part 34 Support portion 36, 38, 40 Clamp 42 First clamp member 44 Second clamp member 46 Connecting piece 42a, 44a Mounting convex portion 48 Bolt 50 Wing nut

Claims (3)

It is a jig for pipe connection used to connect pipes,
An engaging member having a claw-like hook portion projecting on the outer periphery of one of the pipes and extending in a direction perpendicular to the axial direction of the pipe at the distal end thereof bent toward the connection end side of the pipe; ,
Provided on the outer periphery of the other pipe, extending in a direction perpendicular to the axial direction of the pipe, and having an engaged member having an arm part on which the hook part can be hooked.
When the pipes are connected to each other, the hook part is hooked on the arm part in a state where the axial center directions of the pipes are different, and at least one of the one pipe and the other pipe is placed around the arm part in this state. A pipe connecting jig, characterized in that the axial center directions of the pipes coincide with each other when the pipe is rotated.   The pipe connection jig according to claim 1, wherein at least one of the engaging member and the engaged member is configured to be detachable from an outer periphery of the pipe.   A sanitary pipe comprising the pipe connecting jig according to claim 1.

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