JPH09112778A - Multi conduit pipe fittings - Google Patents

Abstract

(57) [Abstract] [Problem] It is possible to perform bending pipe construction in a bending pipe portion required very easily, and to economically and efficiently perform the required bending pipe by one or a few types of joints regardless of the bending degree of the pipe. PROBLEM TO BE SOLVED: To provide a multi-pipe pipe joint having features that can be achieved. A multi-pipe pipe joint according to the present invention is a multi-pipe pipe joint J comprising at least two pipe pipes P ₁ and P ₂ .
The end portions of the multi-conduit pipes are inserted into both ends of the flexible joint body 1 including the same number of flexible pipe bodies 1a to 1f as the multi-conduit pipes. Joint foot grooves 2a ′ to 2 for separately joining the flexible pipe bodies 1a to 1f of the flexible joint body 1 respectively.
The hard joint members 2 provided with h'opened outward are integrally attached to each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-pipe pipe joint provided with a plurality of air ducts and a plurality of other pipe passages, and more specifically, a joint made of a flexible material to form a multi-pipe joint. The present invention relates to a joint for a multi-pipe pipe that facilitates and assures the work of constructing a connecting leg at a bendable disposition portion of the pipe pipe.

[0002]

2. Description of the Related Art Conventionally, most of joints for joining a multi-pipe pipe having a plurality of air ducts and a plurality of other pipe lines are made of a hard material.

[0003]

Therefore, when piping in a straight line, there is no particular problem, but depending on the conditions of the facility, it is often necessary to bend the piping.
In such a case, it is necessary to prepare and use a bending joint made of a hard material that has been bent in advance, the connecting work is complicated, and various types of bending joints depending on the difference in the bending degree of the bending pipe part are required. It is very inconvenient and uneconomical because it is necessary to prepare the bending joint of the above.

The present invention has been researched and developed with the object of solving the above-mentioned problems, and it is possible to extremely easily perform a bent pipe construction in a bent pipe portion requiring bending, and one type of pipe regardless of the bending degree of the pipe. It is an object of the present invention to provide a multi-pipe pipe joint having a feature that required bending pipes can be economically and efficiently achieved with a small number of types of joints.

[0005]

Means for Solving the Problems As a means for solving the above-mentioned problems and achieving the object, the present invention provides a multi-pipe pipe joint comprising at least two pipe pipes, and Inserting the end portions of the multi-conduit tube into both ends of the flexible joint body including the same number of flexible pipes, the multi-conduit tubes and the flexible joint body Provided is a joint for a multi-pipe pipe, which is configured by integrally mounting hard joint members, each of which is provided by opening a joint groove that connects the pipe body and the pipe body separately to the outside.

Further, according to the present invention, in the multi-pipe pipe joint constructed as described above, a flexible joint body is constructed by arranging a plurality of flexible pipe bodies separately in parallel. And a plurality of flexible pipes having different diameters are kept at appropriate intervals, and are fitted and arranged in sequence to form a flexible joint body. A multi-pipe pipe joint in which a flexible joint body is configured by inserting and arranging at least one small-diameter flexible pipe along the inner wall of one large-diameter flexible pipe. Each is provided.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The embodiments of the present invention will be described below with reference to the accompanying drawings. The joint J of the multi-passage pipe according to the present invention can have the same number as the multi-passage pipes P. It is composed of a flexible joint body 1 made of a flexible tube and two joint members 2, 2 made of a hard material that are integrally attached to both ends of the flexible joint body 1.

Thus, the flexible joint main body 1 in this embodiment has a shape-retaining property capable of sufficiently holding the tubular shape and is made of a plurality of plastics having an appropriate hardness. The flexible pipes 1a to 1f are appropriately selected, and at least two flexible pipes 1a to 1f having the same diameter and the same length are provided.
1a are arranged side by side, or at least one small-diameter flexible tube 1c having a small diameter is fitted along the inner wall of one large-diameter flexible tube 1b. Alternatively, at least three flexible tube bodies 1d, 1e, 1f having the same length but different diameters are sequentially inserted and arranged at appropriate intervals.

The two joint members 2 and 2 integrally attached to both ends of each flexible joint body 1 are connected to both ends of each flexible joint body 1 in this embodiment. The members 2a to 2g are provided on the inner side, and the end portions of various multi-passage pipes P are inserted so that the multi-passage pipes P and each flexible pipe body of each flexible joint body 1, that is, 1a, 1a or 1b, 1c or 1d, 1e, 1f is a joint foot groove 2 which is added separately
It is configured by opening a ′ to 2h ′ to the outer side, and in this embodiment, a hard plastic is used to form the outer shape into a short circular shape.

Thus, the above-mentioned two flexible tube bodies 1a, 1
a, or two flexible pipe bodies 1b, 1c, or three flexible pipe bodies 1d, 1e, 1f, at both ends of each flexible joint body 1 made of hard plastic. 2a-2
The joint J of the flexible multi-pipe pipe is constructed by connecting the inner sides of the joint members 2, 2 made of hard plastic via g.

Next, an example of usage of the joint J of the multi-pipe pipe constructed as described above will be described. For this joint J, a joint provided with the same number of flexible pipes as the number of pipes of the multi-pipe pipe P is used. Of the joint J is inserted (press fit) into any of the corresponding joint grooves 2a 'to 2h' provided on the outer side of one joint member 2 of the joint J to be connected. Next, after appropriately bending the joint J according to the construction conditions of the bent pipe, the tip end portion of the other multi-pipe line pipe P to be joined is provided on the outer side of the other joint member 2 of the joint J. Stepping groove 2a '~ 2
By inserting (press-fitting) into any of h's and connecting them, a required bent pipe can be easily and surely constructed as shown in FIG.

As a flexible tube, when bent,
It is preferable to use a material that can maintain its bent state. That is, although it is omitted in the drawing because it is a well-known flexible tubular body, one side is continuously provided with a downward hook-shaped engaging bent edge and the other side is provided with an upward hook-shaped engaging bent edge. Using one spiral narrow strip made of hard synthetic resin (hard vinyl chloride) continuously provided as a material, downward hook-shaped bending for engagement on one side of each adjacent strip A flexible tubular body of various diameters and lengths, which has an external shape shown in FIG. 5, is constructed by continuously engaging the peripheral edge and the upward bent hook-shaped engaging curved peripheral edge on the other side. However, other well-known flexible pipes (for example, bellows-shaped plastic pipes, etc.) are preferable.
Can be used.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Some embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 4 show a first embodiment of the present invention. In this embodiment, two flexible tubular bodies 1a, 1a having the same length and the same diameter having the structure shown in FIG. The flexible joint body 1 is formed by arranging them side by side.
2 and 3 at both ends of the hard plastic joint members 2, 2, that is, two hard plastic members fixed to the inner sides of the joint members 2 with a circular bottom plate 3 interposed therebetween. Multi-conduit pipe P provided with connecting members 2a, 2a made of short pipes and two short pipes (not shown) on the outer side.
A joint leg groove into which the tip portion (illustrated in FIG. 4) is inserted, that is, a circular joint leg groove 2a ′ provided inside the outer peripheral portion and the circular joint leg groove 2a ′ are connected to each other by the above two A straight joint groove 2 provided in a half-divided manner so that the members 2a, 2a are arranged on both sides.
The two joint members 2 and 2 configured by providing b ′ are arranged,
Both ends of the two flexible pipes 1a, 1a are inserted into the connecting members 2a, 2a formed by the two short pipes on the inner side to form a multi-pipe pipe joint.

Next, FIGS. 6 to 8 show a second embodiment of the present invention. In this embodiment, a flexible tube having the same length as the structure shown in FIG. 5 but having a large diameter is used. The body 1b and the small-diameter flexible tube 1c are used, and along the inner wall of the large-diameter flexible tube 1b, as shown in FIG. The flexible joint body 1 is configured by inserting the tube body 1c,
At both ends of the flexible joint body 1, the joint members 2 and 2 made of hard plastic having the structure shown in FIGS. 7 and 8, that is, on the inner side of each of the flexible pipe bodies 1b having a large diameter are provided. A connecting member 2 consisting of a short pipe made of a hard plastic, which extends inward from a semicircular bottom plate 4 having a size half that of a circular hole.
c and a connecting member 2d made of a single cylindrical body extending inward from the joint member 2 along the outer peripheral side of the large-diameter flexible tube 1b, and two connecting members are provided on the outer side. Pipeline P ₁ ,
A joint foot groove into which the tip portion of the multi-pipe pipe P having P ₂ (see FIG. 8) is inserted, that is, a circular joint foot groove 2 c ′ provided inside the outer peripheral portion, and the circular joint foot Two joint members 2, which are configured by providing a linear joint groove 2d ′ that divides the groove 2c ′ in half.
2 are arranged, and both end portions of the small-diameter flexible pipe body 1c and the large-diameter flexible pipe body 1b are inserted into the connecting member 2c and the cylindrical connecting member 2d, each of which is a short pipe on the inner side thereof. The flexible pipe body 1b having a large diameter is attached to one side of the flexible pipe body 1b having a small diameter to form a multi-pipe pipe joint.

Further, FIGS. 9 and 10 show a third embodiment of the present invention. In this embodiment, a flexible pipe having the same length as the structure shown in FIG. 5 but having a large diameter is used. 1d, a medium-diameter flexible tube 1e, and a small-diameter flexible tube 1f are used. As shown in FIG. 1e is concentrically fitted and a small-diameter flexible tubular body 1f is concentrically fitted into the medium-diameter flexible tubular body 1e to form the flexible joint body 1. At both ends of the sex joint body 1, the joint members 2 and 2 made of hard plastic having the structure shown in the figure, that is, the inner side of each of the joint members 2 and 2 having different diameters extending inward, The connecting members 2e, 2f, 2g made of three medium and small short pipes made of hard plastic are provided, and the connecting members 2e, 2f, made of these short pipes are provided.
On one side of the upper part of 2g, each connecting member 2e, 2f,
A multi-pipe line having a short plate-like connecting piece 5 connecting 2 g and concentrically inserting and arranging three large, medium and small pipe lines having different diameters on the outer side. A joint groove into which the tip portion of the pipe P (not shown) is inserted, that is, each connecting member 2 including the short pipe.
e, 2f, 2g are provided with circular shaped joint grooves 2e ', 2f', 2g 'provided on the outer extended end surfaces and linear joint grooves 2h' provided on the outer end surface of the connecting piece 5. The two joint members 2 and 2 thus constructed are arranged, and the flexible pipes 1d, 1e, and 1e are attached to the connecting members 2e, 2f, 2g formed of short pipes on the inner side thereof.
Both ends of 1f are inserted to form a joint for a multi-channel pipe having a fitting structure of the large-diameter, medium-diameter, and small-diameter flexible pipes 1d, 1e, 1f.

As described in the embodiments of the invention, the joint of the multi-pipe pipe of each of the above-described embodiments has a tip end portion of one multi-pipe pipe P in a bent pipe portion required for pipe construction. Is provided on the outer side of one joint member 2 of the joint J and has a shape and number corresponding to the multi-conduit pipe P, 2a ', 2b', or 2c ', 2d', or 2e '. , 2f ', 2g',
After inserting (press-fitting) into 2h 'and connecting, and then bending the joint J appropriately according to the working conditions of the bending pipe, the tip end portion of the other multi-pipe pipe P to be joined is connected to the other end of the joint J. By inserting (press-fitting) and connecting the same to each multi-channel pipe P having the shape and number corresponding to the multi-pipe pipe P provided on the outer side of the joint member 2, for example, a schematic diagram is shown in FIG. As described above, there is an advantage that the required bent pipe can be easily and surely constructed, and the bent pipe can be economically and efficiently achieved with a small number of joints.

Although the main embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and various modifications can be made without departing from the spirit of the invention. It is natural that the design of can be changed.

[0018]

As described above, according to the present invention, in a multi-pipe pipe joint including at least two pipe pipes, both end portions of a flexible joint body having the same number of flexible pipe bodies as the multi-pipe pipes. The end portion of the multi-pipe pipe is inserted into the multi-pipe pipe and the joint groove for separately joining the multi-pipe pipe and the flexible pipe body of the flexible joint body is opened to the outside. Related to the joints of the multi-pipe pipes, which are configured by integrally mounting the hard joint members provided as described above, and are used as described above, the following cannot be achieved by the conventional joints of the multi-pipe pipes. It has an excellent effect.

(1) Since the joint of the multi-pipe pipe is made of a flexible pipe body, the bending pipe construction in the bending pipe portion required can be achieved extremely easily and surely, and the bending degree of the pipe can be adjusted as desired. It is not necessary to prepare many kinds of joints with different degrees of bending, and one or a few kinds of joints can be used for pipes with various degrees of bending.

(2) Even if there are a plurality of pipe portions requiring bending in a relatively short pipe line portion, it is possible to surely perform the required bending pipe by using a single joint which is slightly longer.

(3) Since bent pipes can be achieved with a small number and a small number of types of joints, the bent pipes can be remarkably economically combined with the low cost of the material.

[Brief description of the drawings]

FIG. 1 is a simplified front view with a part omitted showing a first embodiment of the present invention.

FIG. 2 is a plan view of FIG.

3 is a cross-sectional view with a part omitted along the line AA of FIG.

FIG. 4 is a schematic explanatory view of a bent pipe state.

FIG. 5 is a front view showing an example of a flexible joint body (flexible tube body).

FIG. 6 is a simplified front view showing a second embodiment of the present invention with a part omitted.

FIG. 7 is a plan view of FIG. 6;

8 is a reduced cross-sectional view taken along the line BB of FIG. 7 in a state in which a multi-pipe pipe is added.

FIG. 9 is a plan view showing a third embodiment of the present invention.

10 is a cross-sectional view with a part omitted along the line CC of FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Flexible joint main body 1a-1f Flexible pipe body 2 Joint member 2a-2g Connection member 2a'-2h 'Joint leg groove 3 Circular bottom plate 4 Semicircular bottom plate 5 Short plate-shaped connection piece J Multi-conduit Pipe joint P Multi-pipe pipe P ₁ , P ₂ Two pipe lines

Claims (4)

[Claims] 1. A multi-pipe joint comprising at least two pipes, wherein the flexible joint main body is provided with the same number of flexible pipes as the multi-pipes. Hardness provided by inserting an end portion of the passage pipe and opening a joint groove for outwardly connecting the multi-pipe pipe and each flexible pipe body of the flexible joint body to the outside. A multi-pipe joint that is configured by integrally mounting the joint members of. 2. The multi-pipe pipe joint according to claim 1, wherein a plurality of flexible pipes are separately arranged side by side to form a flexible joint body. 3. The flexible joint body according to claim 1, wherein a plurality of flexible pipes having different diameters are arranged at appropriate intervals and are sequentially fitted and arranged to form a flexible joint body. Pipe pipe joint. 4. The flexible joint body is constructed by inserting and arranging at least one small-diameter flexible pipe along the inner wall of one large-diameter flexible pipe. The multi-pipe conduit joint according to 1.