JP3740751B2 - Pipe fittings - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a joint for connecting pipes at an arbitrary angle.
[0002]
[Prior art]
A conventional pipe joint is composed of a pair of connecting members having the same or different shapes as disclosed in, for example, Japanese Utility Model Publication Nos. 57-39480 and 58-4998. One end of each of the connecting members is attached to the end of the pipe, the other ends of both connecting members are overlapped, and the overlapped portion is pivotally supported by a bolt. In addition, as disclosed in Japanese Utility Model Publication No. 4-9814, there is also one constituted by a pair of connecting members and an intermediate body interposed between the two connecting members.
[0003]
[Problems to be solved by the invention]
However, any of the conventional pipe joints has a fundamental problem that the structure of the component itself is complicated, which results in a poor appearance as well as high cost. In addition, since the component parts having a complicated structure have sharp edges, they have problems such as hurting the body.
[0004]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a pipe joint that has a good appearance and does not cause a possibility of damaging the body.
[0005]
[Means for Solving the Problems]
Pipe joint according to the present invention, the engaging body attached respectively to the pipe end of the two, and composed of a coupling body interposed between the both engaging members, in the connected state of the pipes in the horizontal line, and both the engaging body The coupling state of the coupled body is a form in which a pair of hemispheres are continuous at the top, and each engaging body is cut out obliquely so as to cut out the top of the hemisphere to form a circular notched inclined surface. On the other hand, the joined body is provided with a flange portion that has a joint surface that overlaps with the notched inclined surface and that forms a hemisphere when attached to the engaging body in a continuous point-symmetrical shape or an inverted V-shape. It has a line-symmetric shape, and both the center part of the notch inclined surface and the joint surface are connected by a stopper, and the connecting angle of both pipes can be adjusted by a coupling body and an engaging body that rotate around the stopper. It is characterized by that.
[0006]
[Action]
Since the engaging body has a structure in which the hemisphere is cut out obliquely so as to cut out the top portion thereof, the cut-out inclined surface of the engaging body is inclined with respect to the axial direction of the pipe attached to the engaging body. Thus, the axial direction of the pipe can be changed by superimposing the inclined surface of the engaging body on the joint surface of the combined body and turning the engaging body about the stopper with respect to the combined body.
[0007]
Further, the engaging body has a hemispherical body cut obliquely so as to cut off the top portion thereof, and has a circular cut-out inclined surface. Therefore, the form in which the engagement bodies are attached to the left and right sides of the combined body is a form in which a set of hemispheres are continuous on the curved surface.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIGS. 1 to 3, the pipe joint according to the present invention is rotatably screwed to the engagement body 2 attached to the end of the pipe P on the left and right sides of the coupling body 1, whereby two pipes P, P Are connected.
[0009]
In addition, when connecting the two pipes P, P in a horizontal straight line, the present pipe joint has a general shape in which a pair of hemispheres 3, 3 whose tops face sideways are continuously provided on the tops. Is. Then, each hemisphere 3 is cut axisymmetrically and obliquely so that the top portion is cut off and the cut surface is circular, and the three parts formed at that time are cut into the above-mentioned three parts. It can be assumed that it is a component, and the central portion is the combined body 1 and the both side portions are the engaging bodies 2. The hemisphere 3 is set to have the same diameter as the pipe P in order to improve the appearance. When the hemisphere is placed so as to be stable on a flat surface, the top portion refers to the highest portion, and the top portion refers to a portion including a portion slightly lower than the top portion.
[0010]
As shown in FIGS. 1 and 4, the coupling body 1 has a symmetrical shape in which a pair of flange portions 4 and 4 to which the engaging bodies 2 are rotatably attached are continuously provided in an inverted V shape. Each flange portion 4 has a curved surface 5 that forms the top portion of the hemisphere 3 and a circular joining surface 6 that contacts the engaging body 1, and a screw hole 6 a is formed at the center of the joining surface 6. is there.
[0011]
On the other hand, the engaging body 2 includes an inclined wall portion 8 having an inclined surface 7 having the same shape as the joint surface 6, and a peripheral wall portion 10 that is continuous with the inclined wall portion 8 and forms a curved surface 9 excluding the top portion of the hemisphere 3. And a hollow portion 11 surrounded by three sides by the peripheral wall portion 10 and the inclined wall portion 8 and leading to the outside only in the pipe mounting direction. The hemisphere 3 is formed by the flange portion 4 and the engagement body 2 of the joined body 2. Is.
[0012]
The inclined wall portion 8 is provided with a fool hole 7 b communicating with the cavity portion 11 at the center of the inclined surface 7. The inclined surface 7 and the joint surface 6 are overlapped with each other, and screws B serving as a stopper are screwed into the matching fool hole 7b and screw hole 6a from the cavity portion 11 side, thereby engaging the left and right sides of the combined body 1. The combined bodies 2 are respectively attached, and the engaging bodies 2 are rotatable around the screws B.
[0013]
The peripheral wall portion 10 is screwed to the end surface on the pipe side of a disk-shaped cover plate 21 that closes the cavity portion 11, and one piece of the angle plate 22 is screwed to the cover plate 21. Is fastened to the inner surface of the end of the pipe P by attaching the engaging body 2 to the pipe P. Reference numerals 21a and 22a are screw holes, and 22b and 23b are fool holes. In addition, the peripheral wall part 10 has the recessed part 24 which accommodates the cover board 21 in the center part of the end surface at the side of the pipe so that the cover board 21 cannot be seen from the outside.
[0014]
In this pipe joint, the two pipes P, P shown in FIG. 5 (a) are connected in a horizontal straight line, and the joining surface 6 of the joined body 1 and the inclined surface 7 of the engaging body 2 are set with respect to the vertical line. Since it is set so as to be inclined by 30 degrees (60 degrees with respect to the axial direction of the pipe P), one engagement body 2 (left side in the drawing) from this form is used with the screw as the central axis. When rotated 180 degrees, the axial direction of the pipe P is inclined by 60 degrees from the horizontal direction as shown in FIG. 5B, and as a result, the two pipes P and P can be connected at an angle of 120 degrees. Further, when the other (right side) engaging body 2 is rotated 180 degrees, the two pipes P, P can be connected at an angle of 60 degrees as shown in FIG. That is, the pipe joint shown in FIG. 5 can connect two pipes P and P within a range of 60 degrees to 180 degrees.
[0015]
In addition, if the setting of the angle at which the joint surface 6 of the combined body 1 and the inclined surface 7 of the engaging body 2 are inclined with respect to the vertical line is changed, the angle range in which the two pipes P and P can be connected is changed. be able to.
[0016]
The pipe joint according to the present invention is not limited to the above embodiment. For example, as shown in FIG. 6, the combined body 1 may have a shape in which a pair of flange portions 4 and 4 are continuously point-symmetrically. Moreover, the connection method of the engagement body 2 and the pipe P is not limited to the method using the cover plate 21 and the angle plate 22 between them, and the engagement body 2 is provided with a cylindrical fixing portion to be inserted into the pipe. A method of connecting the fixing portion and the pipe may be used (not shown).
[0017]
【The invention's effect】
In the pipe joint according to the present invention, the inclined surface of the engaging body is inclined with respect to the axial center direction of the pipe attached to the engaging body. The axial direction of the pipe can be changed, and as a result, the angle connecting the two pipes can be adjusted. Also, the form of this pipe joint is a form in which a pair of hemispheres are continuous at the top in a state where two pipes are connected in a horizontal straight line, and from this form, the engaging body is turned around the fastener. Since the pair of hemispheres change into a continuous form on the curved surface, a very beautiful appearance can be obtained regardless of the angle at which the pipes are connected. In addition, since the surface of the pipe joint is formed of a hemispherical curved surface, it exhibits an excellent effect that the body is not damaged at all.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a pipe joint according to the present invention.
FIG. 2 is a perspective view showing a pipe joint according to the present invention.
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a cross-sectional view showing a state in which the pipe joint is disassembled into a pipe, an engagement body, and a combined body.
[Fig.5] (A) (B) (C)
It is a front view which shows the connection condition of a pipe.
FIG. 6 is a front view showing a combined body having a point-symmetric shape.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Combined body 2 Engagement body 3 Hemisphere 6 Joint surface 7 Inclined surface B Stopper (screw)
P pipe

Claims (1)

And two pipes (P, P) attached respectively to the ends engaging body (2,2), constituted from the coupling body interposed between the both engaging body (2, 2) (1), the pipes (P , P) connected in a horizontal line,
The coupling state of both engagement bodies (2, 2) and the coupling body (1) is a form in which a pair of hemispheres (3, 3) are continuous at the top,
Each engaging body (2) cuts the hemisphere (3) diagonally so as to cut off the top portion thereof, thereby forming a circular notched inclined surface (7),
On the other hand, the joined body (1) has a joint surface (6) superimposed on the notched inclined surface (7), and forms a hemisphere (3) by attachment to the engaging body (2) (4, 4). , A point-symmetric continuous shape or a line-symmetric shape continuously provided in an inverted V shape,
A coupling body (1) and an engagement body (2) that connect both the center portions of the notched inclined surface (7) and the joining surface (6) with a stopper (B) and rotate around the stopper (B). A pipe joint characterized in that the connecting angle of both pipes (P, P) can be adjusted.

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