JP2003329177A - Tool for assembly work of housing type pipe joint - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tool for an assembly work of a housing type pipe joint exclusive for the assembly work to fit a gasket between end parts of double-side pipes and connect the double-side pipes by the housing type pipe joint. <P>SOLUTION: The tool is used exclusive for the assembly work to connect the end parts of the double-side pipes by the housing type pipe joint. A leg part is erected on both sides of a fitting base, and a clamp of one side pipe is provided on one side leg part, and a clamp of the other side pipe is provided on the other leg part so that butt ends of both end parts are butted to each other when the double-side clamps support the end parts of the double-side pipes. <P>COPYRIGHT: (C)2004,JPO

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling operation for fitting a gasket between ends of both side pipes and connecting these two side pipes with a housing type pipe joint. The present invention relates to a jig for assembling a housing type pipe joint used exclusively. 2. Description of the Related Art Conventionally, the above-mentioned assembling work for connecting both side pipes is performed while an operator supports the both side pipes in a gasket fitting state by himself or with the help of another person. It was common practice to mount the housing type pipe joint. [0003] Such assembling work of a housing type pipe joint has been performed for many years, but it is difficult to support the both side pipes in a state where the gasket is fitted so that a so-called hand-closed work is difficult. In order to be in a state, there is a fatal problem that a gasket often fails and is damaged, which is not something that even an expert can easily do. The present inventor has devised the present invention through trial and error in order to eliminate or reduce the above problems. SUMMARY OF THE INVENTION An object of the present invention is to provide a novel jig for assembling a new housing type pipe joint which is extremely convenient for solving the above-mentioned problems. It is. In order to achieve the above-mentioned object, a jig for assembling a housing type pipe joint according to the present invention is a set for connecting the ends of both side pipes by a housing type pipe joint. It is used exclusively for attaching work, and legs are erected on both sides of the mounting stand, one side leg is clamped on one side tube and the other leg is clamped on the other side tube, both of these When the side clamps support the ends of both side tubes, the small end faces of both ends are provided so as to abut each other. FIG. 1 to FIG. 3 show an embodiment of the present invention. In this embodiment, one leg 14 is erected on one side of a mounting base 13 so that the position cannot be changed, and the other leg 15 is mounted on the other side of the mounting base 13 on one side. 14, the position can be changed so that the position can be changed in the direction of 14, and the one-side leg 14 has a one-side tube clamp 16, and the other leg 15 has the other-side tube clamp 17. 17 is the end 18.1 of both tubes 3,4
When the supporting member 9 is supported, it is provided in such a manner that the fore-edge surfaces of both end portions 18 and 19 abut against each other (a so-called hair removal state). In this embodiment, for example, a ring-shaped ring used in a state of straddling the outer peripheral surfaces of the ends of both side tubes 3 and 4 to be connected having housing edge engaging grooves 1 and 2 at the end portions. A pair of gaskets 5 used to be connected and fixed to each other in a state of holding the gasket 5 and a state in which both side engaging edges 8 and 9 are engaged with the edges 6 and 7 of the housing edge engaging grooves 1 and 2. It is used exclusively for the work of assembling the housing type pipe joint including the housings 10 and 11. The above-mentioned both-side clamps 16 and 17 have movable-side clamping members 21 and 22 disposed above the respective side legs 14 and 15, and the lower corners of the rear surfaces of the movable-side clamping members 21 and 22 have legs. The upper corners of the back surfaces of the portions 14 and 15 are connected by hinges 23 so that the movable side clamping members 21 and 22 can be raised and lowered on the legs 14 and 15 and the upper surfaces of the legs 14 and 15 and the movable side. Semicircular recesses 25 and 26 having the same radius as the outer diameter of the tubes 3 and 4 are provided on the lower surfaces of the holding members 21 and 22, and further, the leg 1 is provided.
The upper and lower front corners of the front and rear movable members 4 and 15 and the lower and front corners of the movable side clamping members 21 and 22 are interlocked with each other to move the movable side clamping members 21 and 22 together.
Is provided with a hanging tool 27 and a receiving tool 28 for holding the device in a lying state. The clamps 16 and 17 on both sides are used.
Is to lay felt, rubber, or the like on the inner surfaces of the semicircular recesses 25, 26, or to make the legs 14, 15 and the movable-side clamping member 2
The material of the portions forming the semicircular recesses 25 and 26 in the tubes 1 and 22 is made softer than the tubes 3 and 4,
4 is not scratched. [0012] The jig for assembling work for a housing type pipe joint according to the present invention can be provided as a simple and inexpensive type configuration in which the standing interval of the leg with respect to the mounting base cannot be changed. The present invention can be implemented as a convenient free-size type which can handle both thick pipes 3 and 4 as well as thin pipes by using a screw vice system or the like. The jig for assembling work for a housing type pipe joint according to the above-described embodiment is constructed by using an auxiliary tool for assembling work for a housing type pipe joint 34, a gasket 5, and housings 10 and 11, which will be described below. It is used to connect the side tube 3 and the other side tube 4. The housing-type pipe joint assembling work assisting tool 34 has the same shape as the inside of the housing edge engaging groove 1 with plastic having a slight elasticity, and opens and closes to open and close the housing edge. A disconnection / separation portion 33 for fitting / removing in the engagement groove is provided at an intermediate position. When the housing-type pipe joint assembling work assisting tool 34 is fitted into the housing edge engaging groove 1, its outer peripheral surface and the outer peripheral surface of the one-sided pipe 3 have the same height, or On the other hand, it is preferable that the outer peripheral surface of the side tube 3 be slightly thicker. Thereby, the moving operation and the returning operation of the gasket 5 become smooth, and the working efficiency is improved. The housing type pipe joint assembling work assisting tool 34 is used to secure an assembled state of the housing type pipe joint as shown in FIG. That is, specifically, both pipes 3 to be connected,
When the one-side tube 3 and the other-side tube 4 are connected by a ring-shaped gasket 5 straddling the outer surface of the end portion 4 and a pair of housings 10 and 11 connected and fixed to each other while holding the gasket 5. What is used. The gasket 5 has a trapezoidal cross section, and has a groove 38 extending in the center of the inner surface of the gasket 5, and lip portions 39, 40 on both sides of the groove 38.
The lip portions 39 and 40 are brought into close contact with the outer peripheral surfaces of the pipes 3 and 4 by applying a fluid pressure to the tube, so that the lip portions 39 and 40 are configured as a so-called self-sealing type. The housings 10 and 11 have bent portions 44 with bolt insertion holes 43 on both outer sides of a narrow semi-cylindrical member 42 whose inner surfaces are in contact with the outer peripheral surfaces of the pipes 3 and 4 to be connected.
45, and a groove 46 for fitting the gasket 5 in a state where the lip portions 39 and 40 protrude slightly is provided at the center of the semi-cylindrical member 42 in the width direction. The bent portions 4 at both ends of the pair of housings 10 and 11 are fitted so that the gasket 5
4 and 45 are superimposed on each other and this housing 1
0 and 11 are connected and fixed by bolts 47 and nuts 48. Next, an example of a housing type pipe joint assembling operation performed by using the housing type pipe joint assembling work jig according to the present invention and the above-mentioned housing type pipe joint assembling work assisting tool will be described. . First, as shown in FIG. 6, after the end 18 of the one-side tube 3 is supported by being clamped by the one-side tube clamp 17,
In the housing edge engaging groove 1 provided in the same end portion 18, an assembling work assisting tool 34 for a housing type pipe joint is
By performing an operation of releasing after opening with, it fits in the dropped state (first step). Thereafter, as shown in FIG. 7, the gasket 5 is placed on the end of the one-side tube 3, and the lip portion 40 is placed on the assembling aid 34 for the housing type pipe joint. The second lip 41 is moved to a position where the lip 41 is fitted over the outer surface of the end of the pipe 3 (second step). Next, as shown in FIG. 8, the end 19 of the other side pipe 4 is clamped by the other side
And the end face of the one-side tube 3 are supported in a state of abutting (third step). As shown in FIG. 9, the gasket 5 is kept in this abutted state until the other lip portion 41 is fitted over the outer surface of the end of the other side tube 4 and the one lip portion 40 is connected to the one side tube 3 as shown in FIG. Back to the end of the
Process). After this return, the housing-type pipe joint assembling aid 34 is removed as shown in FIG. 10 (fifth step). After the removal, as shown in FIG. 11, the gasket 5 in the returned state is covered with the pair of housings 10, 11, and the gasket 5 is held. The edges 6, 7 are locked to the engagement edges 8, 9, and both ends of the housings 10, 11 are connected and fixed to each other with bolts 48 and nuts 49 (sixth step). After the connection and fixing by the bolts 48 and the nuts 49, the hook 27 is removed from the holder 28 to open the one-side tube clamp 16 and the other-side tube clamp 17, and both the tubes in the connection-completed state are completed. Remove 3, 4 from the jig and finish. If the work is carried out while taking care not to damage the gasket, the above-mentioned assembling work can be performed without the assembling work assisting tool 34 for the housing type pipe joint. Since the lip portion 39 of the gasket 5 falls into the housing edge engaging groove 1 in which the pipe joint assembling work assisting tool 34 is not fitted, it is difficult to return the gasket 5 as described above. If you are not used to it, it is easy to scratch. As described above, the jig for assembling the housing type pipe joint according to the present invention has the outer peripheral surfaces at the ends of the two pipes to be connected, which have the housing edge engaging groove at a position near the end. A ring-shaped gasket used in a state of straddling the gasket, and a pair of gaskets used to be connected and fixed to each other in a state of holding the gasket and a state in which both side engaging edges are engaged with the edge of the housing edge engaging groove. It is used exclusively when assembling a housing type pipe joint having a housing, and if used as described above, it can be easily assembled without the help of another person even if it is not an expert. Can be attached. Further, since it is possible to largely avoid the state in which the work is difficult to perform, which has occurred in the conventional example, it is possible to eliminate or reduce the occurrence of the above-mentioned failure, which is extremely effective. Further, depending on circumstances, it is possible to release the hand even during the work, which is convenient. When the distance between the one leg 14 and the other leg 15 can be changed as in the embodiment, it is necessary to adjust the position where the tube is clamped like a deformed tube such as an elbow. It is convenient and easy to use when there is no problem.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing an embodiment of the present invention. FIG. 2 is a side view of the same. FIG. 3 is a side view showing a state where the clamp unit is opened. FIG. 4 is a perspective view showing an assembling work aid used with the embodiment. FIG. 5 is an exploded perspective view of a pipe for performing an assembling operation using the embodiment and an assembling operation aid. FIG. 6 is an enlarged sectional view showing a first step of an assembling operation. FIG. 7 is an enlarged sectional view showing a second step in the same manner. FIG. 8 is an enlarged sectional view showing a third step in the same manner. FIG. 9 is an enlarged sectional view showing a fourth step in the same manner. FIG. 10 is an enlarged sectional view showing a fifth step in the same manner. FIG. 11 is an enlarged sectional view showing a sixth step in the same manner. DESCRIPTION OF SYMBOLS 1 Housing edge engagement groove 2 Housing edge engagement groove 3 One pipe 4 Other pipe 5 Gasket 6 Edge 7 Edge 8 Engagement edge 9 Engagement edge 10 Housing 11 Housing 13 Mounting stand 14 One side leg 15 Other leg 16 One-side tube clamp 17 Other-side tube clamp 18 End 19 End 21 Movable clamping member 22 Movable clamping member 23 Hinge 25 Semicircular recess 26 Semicircular recess 27 Hook 28 Receptacle 33 Cut-away part 34 Assembly work aid 38 Groove 39 Lip part 40 Lip part 42 Semi-cylindrical member 43 Bolt insertion hole 44 Bend part 45 Bend part 46 Recessed groove 47 Bolt 48 Nut

Claims (1)

Claims: 1. An exclusive use for an assembling work for connecting ends of both side pipes by a housing type pipe joint, wherein legs are erected on both sides of a mounting base, When the one leg supports the clamp of the one side tube and the other leg supports the clamp of the other side tube, and when the both side clamps support the ends of both the side tubes, the small end faces at both ends abut. A jig for assembling a housing-type pipe joint, wherein the jig is provided as described above.