JP2589156Y2 - Pipe connection structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This invention relates to a pipe connecting structure applied to a pipe assembling game facility such as a jungle gym installed in a children's park or the like.

[0002]

2. Description of the Related Art Conventionally, in assembling this type of pipe assembling game equipment, for example, a jungle gym, when connecting a beam pipe between pipe supports erected on the ground, a predetermined height of the pipe support is required. At present, a clamp member is fastened to the connecting position by a bolt and a nut, and a connecting end of the pipe is fastened to a connecting portion provided on the clamp member by a bolt and a nut.

[0003]

Therefore, in such a conventional structure, it takes time and effort to position the clamp member to be fastened to the pipe support, and the clamp member is likely to be displaced. The horizontality of the pipe becomes unstable.

Further, since the connecting ends of the clamp member and the pipe are fastened by bolts and nuts, not only is the assembling work troublesome, but also the head of the bolt protrudes and the appearance is deteriorated. there were.

[0005]

SUMMARY OF THE INVENTION An object of the present invention is to provide a pipe connecting structure capable of simplifying and easily performing an assembling operation and improving the appearance.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a column member made of the same extruded material having a double tube structure in which an outer tube and an inner tube having a square cross section are integrally formed. A second pipe member as a first pipe member and a beam member, and a connecting member inserted into an inner tube at a connecting end of the second pipe member, wherein the pipe member has A first guide groove is formed at the center of each side surface of the outer tube along the longitudinal direction, and a second guide groove corresponding to the first guide groove is formed at the center of each side surface of the inner tube. The connecting member is formed along the longitudinal direction of the second pipe member, and the connecting member is inserted into the inner tube of the connecting end of the second pipe member, and is provided at the tip of the inserting base so as to protrude therefrom. A second plan formed on the side of the inner pipe of the first pipe member A guide piece engaging the groove and a connecting piece connecting the guide piece and the insertion base and engaging a first guide groove formed on a side surface of the outer pipe of the first pipe member. The second pipe member is integrally formed so as to be slidably incorporated along the first and second guide grooves of the first pipe member via the connecting member. is there.

[0007]

In other words, the present invention adopts the above-mentioned structure so that a pipe member made of the same extruded material having a double pipe structure in which an outer pipe and an inner pipe having a square cross section are integrally formed is used as a pillar member. A first guide groove and a second guide groove are formed along the longitudinal direction at the center of each side surface of the outer tube and the center of each side surface of the inner tube of the pipe member so as to correspond to the beam member. A guide member provided with an insertion base of the connection member inserted into the inner pipe at the connection end of the second pipe member as a beam member, and provided at the tip of the insertion base of the connection member so as to protrude therefrom. The first pipe member is engaged with a second guide groove formed on a side surface of an inner pipe of the first pipe member, and a connecting piece connecting the guide piece and the insertion base is connected to a first pipe member of the first pipe member. By engaging the first pipe member with the first and second guide grooves, In order to enable the second pipe member to be slidably incorporated along the second guide groove via a connecting member, a connecting member such as a bolt and a nut is assembled and connected to the column member and the beam member. Can be done without using.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be described below with reference to the embodiment shown in the drawings. FIG. 2 is an external view showing an overall assembled state of a jungle gym to which a pipe connecting structure according to the present invention is applied. Reference numeral 1 denotes a pipe member forming a support member and a beam member.

As shown in FIGS. 1 and 3, this pipe member 1 is formed by extruding a metal such as a light alloy having a double pipe structure in which an outer pipe 2 and an inner pipe 3 each having a square cross section are integrally formed. A first guide groove 21 is formed in the center of each side surface of the outer pipe 2 along the longitudinal direction, and each of the inner pipes 3 corresponding to the first guide groove 21 is formed. A second guide groove 31 is formed in the center of the side surface along the longitudinal direction.

That is, the pipe member 1 is connected to a column member (first pipe member) and a beam member (second pipe member).
2 is used to assemble a jungle gym as shown in FIG.

As shown in FIG. 4, the connecting member 5 includes an insertion base 6 inserted into the inner pipe 3 of the connecting end 1A of the second pipe member 1 as the beam member, 6, a second guide groove 31 formed on the side surface of the inner pipe 3 of the first pipe member 1 as the column member provided so as to protrude from the tip end
, And the guide piece 7 and the insertion base 6
And a connecting piece 8 which is engaged with a first guide groove 21 formed on a side surface of the outer pipe 2 of the first pipe member 1.

In order to connect and assemble the pipe member 1 as the second beam member to the pipe member 1 as the first column member using the connecting member 5, as shown in FIG. The insertion base 6 of the connecting member 5 is inserted into the inner pipe 3 of the connecting end 1A of the second pipe member 1 and the guide piece 7 of the connecting member 5 is inserted into the first pipe member 1 of the first pipe member 1. This is performed by engaging the connecting piece 8 in the guide groove 21 with the second guide groove 31 from above and slidably moving downward as indicated by the solid arrow.

An L-shaped stopper member 10 is positioned and fixed with a screw 11 on the way of the first pipe member 1 in the longitudinal direction. It has a configuration in which the connecting end 1A is put on and fixed by screws 12, and such a second pipe member 1 is assembled as shown in FIG.
As shown in FIG. 3 and FIG. 3, the jungle gym assembly shown in FIG. 2 and FIG. 6 is obtained by appropriately performing each side surface of the first pipe member 1 and performing the operation from the lower stage to the upper stage. is there.

In the above embodiment, a ceiling frame, side frames, and a plurality of cubic spaces framed three-dimensionally by the plurality of first pipe members 1 and second pipe members 1 are provided. In the first guide groove 21 corresponding to the floor frame portion,
At the same time as assembling, the top plate 100 and the side plate and the partition member 20
0 can be fitted, and these top plate and floor plate 10
Each of the cubic spaces can be partitioned by the 0 and the side plate 200.

Further, the top plate and floor plate 100 and the side plate 200
The portion of the first guide groove 21 into which the member is not fitted is blinded by a protective member made of an elastic material such as rubber.

[0016]

As is apparent from the above description, the present invention relates to a method in which a pipe member made of the same extruded material having a double tube structure in which an outer tube and an inner tube having a square cross section are integrally formed is used as a column member. A first guide groove and a second guide groove are formed along the longitudinal direction at the center of each side surface of the outer tube and the center of each side surface of the inner tube of the pipe member so as to correspond to the beam member. A guide member provided with an insertion base of the connection member inserted into the inner pipe at the connection end of the second pipe member as a beam member, and provided at the tip of the insertion base of the connection member so as to protrude therefrom. The first pipe member is engaged with a second guide groove formed on a side surface of an inner pipe of the first pipe member, and a connecting piece connecting the guide piece and the insertion base is connected to a first pipe member of the first pipe member. The first and second pipe members are engaged by the first and second guide grooves. Along with the guide groove, the second pipe member can be slidably incorporated via a connecting member, so that the connecting connection between the column member and the beam member can be performed without using fasteners such as bolts and nuts. Accordingly, the assembling work can be performed easily and easily, and the appearance can be improved.

[Brief description of the drawings]

FIG. 1 is an enlarged cross-sectional view showing a main part of an embodiment of a pipe connection structure according to the present invention.

FIG. 2 is an external view of a juggle gym assembly to which the pipe connection structure according to the present invention is applied.

FIG. 3 is an enlarged longitudinal sectional view of a main part of the same.

FIG. 4 is a perspective view of the connecting member.

FIG. 5 is an exploded perspective view of a main part showing an assembled state of the pipe member.

FIG. 6 is an enlarged perspective view of a main part in an assembled state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Pipe member, 1A ... Connecting end part, 2 ... Outer tube, 21 ... 1st guide groove, 3 ... Inner tube, 31 ... 2nd guide groove, 4 ... Extruded material, 5 ... Connecting member, 6 ... Insertion base, 7 ... Guide piece, 8 ... Connecting piece, 10 ... Stopper member.

Claims (3)

(57) [Scope of request for utility model registration] 1. A first pipe member as a column member and a second pipe member as a beam member having the same extruded material and having a double pipe structure in which an outer pipe and an inner pipe having a square cross section are integrally formed. And a connecting member inserted into an inner tube at a connecting end of the second pipe member, wherein the pipe member has a first guide groove formed in a longitudinal direction at a central portion of each side surface of the outer tube. The first guide groove and the second guide groove corresponding to the first guide groove are respectively formed along the longitudinal direction of the central portion of each side surface of the inner pipe, while the connecting member is An insertion base inserted into the inner pipe at the connection end of the second pipe member, and a second base formed on the side surface of the inner pipe of the first pipe member provided at the tip of the insertion base so as to protrude therefrom. And a guide piece that engages with the guide groove, and a connection between the guide piece and the insertion base. And a connecting piece engaged with a first guide groove formed on a side surface of the outer pipe of the first pipe member, and integrally formed with the first and second guide grooves of the first pipe member. A pipe connecting structure, wherein the second pipe member can be slidably incorporated along the connecting member along the connecting member. 2. The apparatus according to claim 1, wherein stopper members are provided at appropriate intervals in the longitudinal direction of the first pipe member, and the connecting end of the second pipe member can be supported by the stopper member. 2. The pipe connection structure according to 1. 3. A part corresponding to a ceiling frame part, a side frame part and a floor frame part which forms a cubic space three-dimensionally framed by a plurality of first pipe members and second pipe members. First
The top plate, side plate and floor plate can be fitted into the guide grooves of
2. The pipe connecting structure according to claim 1, wherein said cubic space can be partitioned by said top plate, side plates and floor plate.