JP3062665U - Pipe body connection fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably and firmly connect pipe bodies without causing crushing, breakage deformation and the like in the pipe bodies themselves and without damaging a metal coating on an outer diameter portion of the pipe bodies. To do. SOLUTION: The collar body 2 is attached to the pipe body 3 by fitting the collar pieces 2A and 2B together such that the pipe body 3 is sandwiched between a pair of symmetrical collar pieces 2A and 2B formed in the same shape. I do. A pair of fasteners 6 of the same shape formed by bending a band plate into a substantially U-shape so as to sandwich the pipe bodies 3 to be connected to each other with the collar bodies 2 attached thereto and to sandwich the pipe bodies 3 together with the collar bodies 2, Bolts 5 with nuts are inserted into bolt insertion holes drilled at predetermined positions on both side surfaces and fastened and fixed. The pair of fastening members 6 are configured by extending the respective side edge portions 11 facing each other outwardly from the center of the cylinder of the other collar body 2.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a pet breeding cage called a pet circle, which is mainly used for breeding pets such as small animals such as cats and rabbits and large dogs, etc. The present invention relates to a pipe connection fitting for connecting bodies.

[0002]

[Prior art]

 Conventionally, as a connection fitting for a pipe body, for example, two sets of fastening fittings each having a vertically long bolt insertion hole near both ends of a thin plate and a bolt with a nut that can be inserted into the bolt insertion hole are provided as a set. In order to form a metal fitting and connect a plurality of metal mesh panels, the pipes on the periphery of each metal mesh panel are brought into contact with each other, and after each of these pipes is clamped by two fasteners. In addition, there is a type in which a bolt with a nut is inserted into a bolt insertion hole to be fastened and fixed.

[0003]

[Problems to be solved by the invention]

 However, according to the above-described conventional example, since each of the pipe bodies is directly held by the fastener, the outer diameter portion of the pipe body is tightly tightened by the two fasteners via the nut bolts. In such a case, the tightening force of the bolts with nuts is directly applied to the pipe body, so that the pipe body was liable to be crushed, broken or deformed due to overload. In addition, the metal coating on the outer diameter of the pipe body was sometimes damaged by the fastener. Furthermore, the conventional connecting fittings have problems such that the holding stability of the pipe bodies by the fastening fittings is reduced, and it is difficult to hold the connected pipe bodies stably and firmly. Was.

Therefore, the present invention has been made in view of the above-described problems that have been encountered in the past, and does not cause crushing, breakage, deformation, or the like due to overload on the pipe body due to bolting. In addition, the present invention provides a pipe connecting metal fitting which can connect the pipes with each other while keeping the pipes stable and firmly without damaging the metal coating on the outer diameter portion of the pipe, and which can be easily disassembled and assembled. It is intended to do so.

[0005]

[Means for Solving the Problems]

 For this reason, according to the present invention, the collar body 2 which is to be mounted on the pipe body 3 by sandwiching the pipe body 3 between a pair of symmetrical collar pieces 2A and 2B formed in the same shape, The pipe bodies 3 to be connected with the bodies 2 attached to each other are placed side by side so as to be sandwiched together with the collar bodies 2 and bolts 5 with nuts are inserted into bolt insertion holes 4 drilled at predetermined positions. The above-mentioned problem has been solved by having a pair of fasteners 6 formed in the same shape by bending a band plate into a substantially U-shape to be fastened and fixed. Further, the pipe body 3 around the panel constituting the wall surface of the pet breeding cage is sandwiched between a pair of symmetrical collar pieces 2A and 2B formed in the same shape, and fitted to each other by fitting each other. And a pipe body 3 to be connected to which the collar body 2 is attached is connected to each other so as to be sandwiched together with the collar body 2, and a bolt insertion hole drilled at a predetermined position. The above-mentioned problem has also been solved by having a pair of fasteners 6 formed by bending a band plate into a substantially U-shape in which a bolt 5 with a nut 5 is inserted and fastened and fixed to 4. Each of the collar pieces 2A and 2B is formed by dividing a cylindrical body into halves along the cylinder axis direction, and one side of the vertical edge of each of the collar pieces 2A and 2B has a part of the wall surface of the cylindrical body. It extends in the circumferential direction to form an arc-shaped fitting protruding portion 9, and the fitting protruding portion 9 is fitted on the vertical edge side opposite to the fitting protruding portion. The above-mentioned problem was also solved by forming the fitting concave portion 10 in which a part of the wall surface of the cylindrical body was cut out. Further, on the side of the opening edge of the collar body 2, each of the substantially U-shaped upper and lower edge portions 12 of the pair of fastening fittings 6 engaged with the side edge portions 11 facing each other is engaged. By integrally forming the annular flange portion 8 to be bridged, the above-mentioned problem was solved. The pair of fastening members 6 are also formed by extending the respective side edge portions 11 facing each other outward from the cylindrical center portion 0 of the other collar body 2. The above-mentioned problem has been solved.

In the pipe connecting fitting according to the present invention, the collar body 2 attached to each of the pipe bodies 3 is compressed by a tightening force between the pair of tightening fittings 6 via the bolts 5 with nuts. The pipe bodies 3 are connected and fixed. Further, the fastening force of the nut 5 with respect to the pipe body 3 is absorbed by the collar body 2 so as not to overload the pipe body 3 itself and to protect the peripheral wall surface of the pipe body 3. On the other hand, the flange portion 8 on the opening edge side of the collar body 2 is a substantially U-shaped upper and lower edge portion of each of a pair of fastening fittings 6 which are made to face each other with the side edge portions 11 facing each other. In this manner, a pair of collar pieces 2A and 2B are not displaced from each other along the pipe body 3 in the vertical direction, thereby preventing the collar pieces 2A and 2B from being separated from each other. Then, the collar body 2 is stably held by the pair of fasteners 6 having the side edges 11 extending outward from the cylindrical center portion 0 of the other collar body 2. Further, the collar body 2 is made up of a pair of symmetrically structured color pieces 2A and 2B as one part, and can be made with the same mold.

[0007]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present embodiment, a cylindrical body is divided into two parts symmetrically in the left-right direction along the cylinder axis direction to form a pair of collar pieces 2A and 2B. For example, pipes around a wire mesh panel forming the wall surface of a pet breeding cage The body 3 is sandwiched between the pair of collar pieces 2A and 2B and joined together so as to be attached to the pipe body 3; After the pipes 3 to be connected to each other are held together from above the collar body 2 so as to sandwich the pipe bodies 3 to be connected to each other, the collar bodies 2 are pierced at arbitrary positions such as near both ends or substantially in the center of both side surfaces. A bolt 5 with a nut is inserted through the bolt insertion hole 4 through a washer, and a nut 7 is screwed in from the opposite side via a washer to bend and fix the band plate into a substantially U-shape. A pair of clamps More and 6, the pipe member connecting fitting 1 is formed.

As shown in FIG. 1, the pair of collar pieces 2A and 2B are formed by dividing a substantially drum-shaped cylindrical body having annular flanges 8 at upper and lower openings, respectively, in half along the cylinder axis direction. On one side of the vertical edge of each of the collar pieces 2A and 2B, a part of the wall surface of the cylindrical body is extended in the circumferential direction to form an arcuate fitting projection 9 and the fitting projection 9 is formed. On the side of the vertical edge opposite to the side of the piece 9, there is formed a fitting recess 10 in which a part of the wall surface of the cylindrical body is cut out so that the fitting protruding piece 9 is fitted and fitted. The pair of collar pieces 2A and 2B are formed in the same shape using the same mold. When each of the pair of collar pieces 2A, 2B is inserted into the pipe body 3 and assembled, the fitting projection 9 of one collar piece 2A is fitted into the fitting recess 10 of the other collar piece 2B, and the other is formed. The collar body 2 is fixed to the pipe body 3 by fitting the fitting projection 9 of the collar piece 2B into the fitting recess 10 of one collar piece 2A. At this time, while a locking projection (not shown) is provided at the tip of the fitting projection piece 9, a locked fitting recess (not shown) is provided on the inner side of the fitting recess 10, so that both sides are provided. Each of the collar pieces 2A and 2B may be fixed by fitting (patching) between the locking projection and the locked fitting recess.

As shown in FIG. 1 and FIG. 2, the pair of right and left fastening members 6 have the same shape obtained by bending a band-shaped thin metal plate into a substantially U-shape. A bolt insertion hole 4 for inserting a bolt 5 with a nut is formed. As shown in FIG. 3, the pair of fastening members 6 are arranged such that one side surface is located on the back side of the other side surface and the side edge portions 11 are opposed to each other. The pipes 3 which are inserted between the flange portions 8 of the upper and lower openings and have the collar bodies 2 attached thereto are joined together so as to sandwich the pipe bodies 3 together with the collar bodies 2. At this time, since the flange portion 8 of the collar body 2 is hooked by the upper and lower edge portions 12 of the clamped metal fitting 6 bent in a substantially U shape, the pair of collar pieces 2A and 2B are vertically Holds firmly without slipping in the direction. Then, the bolt insertion holes 4 of the tightening fittings 6 are aligned with each other, and then the bolts 5 with nuts are inserted and fastened and fixed so as to be inserted between the collar bodies 2. At this time, the four side edge portions 11 of each of the fasteners 6 are spaced apart from each other by a distance d from the center portion 0 of the cylinder of the other collar body 2 (see FIG. 3). The left and right collar bodies 2 are slightly compressed at the same time on both sides of the pair of fasteners 6 by the tightening force of the bolts 5 with nuts. And it is stably fixed, and as a result, the pipe bodies 3 are firmly connected to each other.

Next, an example of use in the present embodiment will be described. First, as shown in FIG. 1, each of the pipe bodies 3 to be connected to each other is sandwiched and joined by a pair of collar pieces 2A and 2B, and the fitting projection 9 of one collar piece 2A is connected to the other collar piece. The collar body 2 is fitted to each pipe 3 by fitting the fitting protrusion 9 of the other collar piece 2B into the fitting recess 10 of the other collar piece 2A. Attach and fix. Next, as shown in FIG. 2, the pipe members 3 are sandwiched together with the collar body 2 so that the pipe bodies 3 each having the collar body 2 attached thereto are sandwiched by a pair of fasteners 6. After the joints 6 are put together, the bolts 5 with nuts are inserted into the bolt insertion holes 4 formed at predetermined positions on both side surfaces to fasten and fix the respective fasteners 6. At this time, as shown in FIG. 3, the collar body 2 is slightly compressed by the tightening force of the nut-equipped bolt 5 and is firmly and stably fixed to the pipe body 3. They are firmly connected.

[0011]

[Effect of the invention]

 As described above, the present invention provides a collar body 2 which is to be attached to the pipe body 3 by sandwiching the pipe body 3 between a pair of symmetrically formed collar pieces 2A and 2B. The two pipe bodies 3 to be connected with the pipes 2 attached to each other are put together so as to be sandwiched together with the collar body 2 and fastened by inserting bolts 5 with nuts into bolt insertion holes 4 drilled at predetermined positions. By having a pair of fastening members 6 formed by bending a band plate into a substantially U-shape to be fixed, the fastening force of the bolts 5 with nuts is absorbed by the collar body 2 and the pipe body is provided. The pipe body 3 itself is not overloaded, and the pipe body 3 is not crushed or broken or deformed. In addition, since the collar body 2 is interposed, the metal coating on the outer diameter portion of the pipe body 3 can be protected without being directly damaged by the fastener 6, and the pipe bodies 3 can be stably and firmly connected to each other. These can be firmly connected to each other while being held, and can be easily disassembled and assembled.

At this time, when the pipe body 3 is a peripheral member of a panel constituting a wall surface of the pet breeding cage, it is easy to assemble a panel circle having improved pressure resistance, and a sturdy pet breeding cage is provided. can do.

Each of the collar pieces 2A and 2B is formed by dividing a cylindrical body into halves along the cylinder axis direction, and one side of a vertical edge of each of the collar pieces 2A and 2B has one side wall of the cylindrical body. Is extended in the circumferential direction to form an arc-shaped fitting protrusion 9, and the fitting protrusion 9 is fitted on the vertical edge side opposite to the fitting protrusion 9. Since the fitting recess 10 is formed by cutting out a part of the wall surface of the cylindrical body so as to be formed, the pair of collar pieces 2A and 2B are held along the pipe body 3 without causing any discrepancy between them. And can prevent mutual separation and falling off. In addition, the collar body 2 is made up of two parts, a pair of color pieces 2A and 2B having a symmetrical structure, and can be made with the same mold.

Further, on the opening edge side of the collar body 2, a substantially U-shaped upper and lower edge end of each of a pair of fastening fittings 6 which are held together with the side edge portions 11 facing each other. Since the annular flange portion 8 on which the collar 12 is hooked is integrally formed, the collar body 2 can be stably held so as not to be vertically displaced along the pipe body 3. .

The pair of fasteners 6 have their respective side edge portions 11 facing each other extended outwardly from the cylindrical center portion 0 of the other collar body 2. Therefore, the collar body 2 is sandwiched between the two side surfaces of the pair of fasteners 6 by the tightening force of the nut bolts 5, and the left and right collar bodies 2 can be stably held.

[Brief description of the drawings]

FIG. 1 shows a state in which a collar body and a fastener according to an embodiment of the present invention are attached to a pipe body;
(A) is an exploded perspective view showing a state in which a pair of collar pieces are attached, (b) is a perspective view showing a state in which a pair of collar pieces are attached, and (c) is an exploded perspective view showing a state in which a fastener is attached. is there.

FIG. 2 is a partially exploded perspective view showing a state in which a fastener attached to the collar body is fastened and fixed by a bolt with a nut.

FIG. 3 is a sectional view taken along line XX in FIG. 2;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Pipe body connection metal fitting 2 ... Collar body 2A, 2B ... Collar piece 3 ... Pipe body 4 ... Bolt insertion hole 5 ... Nut bolt 6 ... Tightening metal fitting 7 ... Nut 8 ... Flange part 9 ... Fitting protrusion piece part 10 ... fitting recesses 11 ... both side edges 12 ... upper and lower edges

Claims (5)

[Utility model registration claims] 1. A collar body which is attached to a pipe body by sandwiching the pipe body between a pair of symmetrical collar pieces formed in the same shape, and pipe bodies to be connected which are attached with the collar body. Are formed so that they are adjacent to each other so as to be sandwiched together with the collar body, and the strip is bent into a substantially U-shape in which bolts with nuts are inserted into bolt insertion holes formed at predetermined positions and fastened and fixed. A pipe body connection fitting comprising: a pair of fastening fittings. 2. A pipe body which is attached to a pipe body by sandwiching a pipe body around a panel constituting a wall surface of a pet breeding cage with a pair of symmetrical collar pieces formed in the same shape and fitting each other. The collar body and the pipe body to which the collar body is attached are connected to each other so that they are adjacent to each other so as to be sandwiched together with the collar body, and a bolt with a nut is inserted into a bottle insertion hole formed at a predetermined position. And a pair of fasteners formed by bending a strip in a substantially U-shape to be fastened and fixed. 3. Each of the collar pieces is formed by dividing a cylindrical body into halves along the axial direction of the cylinder, and a part of a wall surface of the cylindrical body is circumferentially provided on one side of a vertical edge of each of the collar pieces. A part of the wall of the cylindrical body is extended so as to form an arcuate fitting projection, and the fitting projection is fitted on the vertical edge side opposite to the fitting projection. 3. The pipe connecting metal fitting according to claim 1, wherein a fitting concave part is formed by notching. 4. A substantially U-shaped upper and lower edge end of a pair of fasteners which are held together with their side edges facing each other on the opening edge side of the collar body. The pipe fitting according to any one of claims 1 to 3, wherein the annular flange is integrally formed. 5. A pair of fasteners wherein the respective side edge portions of the pair of clamps facing each other extend outwardly from the center of the cylinder of the other collar body.
A pipe body connection fitting according to any one of the above.