KR200443553Y1 - Coupling structure of pipe units for a playground slide - Google Patents

Abstract

The present invention, even if a sharp foreign object caught in the gap formed by the connection of the cylindrical tube units, there is no fear of injury to the children sliding through the inner space of the cylindrical slide for the cylindrical slide for children to use with confidence It relates to a connection structure of the cylindrical tube unit.

The connecting structure of the cylindrical slide unit for the cylindrical slide according to the present invention, the first circle is formed by bending the first flange to the outside at one end, the first circle extending protruding coupling portion protruding in the longitudinal direction at the bending start portion of the first flange The clearance unit is coupled to the downstream of the first cylindrical tube unit in the advancing direction, and the protrusion coupling portion of the first cylindrical tube unit is fitted to be coupled, and at one end thereof, a second flange facing the first flange is bent outwardly. And a fastening member fastened to the first and second flanges which are in contact with each other and integrally coupling the first and second cylindrical pipe units to be integrally formed.

Cylindrical slide, cylindrical pipe unit, fastening member, flange, protrusion coupling part, cover part

Description

COUPLING STRUCTURE OF PIPE UNITS FOR A PLAYGROUND SLIDE}

The present invention relates to a connection structure of the cylindrical slide unit for the cylindrical slide, and more particularly to a connection structure of the cylindrical pipe unit to be coupled to each other to form a cylindrical slide of a relatively long length.

In playgrounds, schools or amusement parks, for example, various types of play equipment for children's entertainment, such as seesaws, swings, slides, etc., are installed. Among them, the most common playground equipment used by children is slides.

Such slides are provided with slides, and slides of various types are used, ranging from plate slides formed by elongated iron plates to cylindrical slides formed by combining a plurality of cylindrical pipe units.

1 is a perspective view of a conventional cylindrical slide, and FIGS. 2A and 2B show a connection structure diagram of a conventional cylindrical slide unit for a cylindrical slide.

Looking at the connection structure of the conventional cylindrical slide cylindrical tube unit forming the cylindrical slide 3, as shown in Figures 1 to 2b, the first flange 111 is formed at one end is bent outwardly A second circle having a cylindrical tube unit 110 and a second flange 121 having the same diameter as that of the first cylindrical tube unit 110 and having one end facing the first flange 111 is bent outwardly. It includes a fastening member 130 is fastened to the customs clearance unit 110 and the first and second flanges 111 and 121 in contact with each other and integrally couple the first and second cylindrical pipe units 110 and 120. It is done by

The above connection structure of the cylindrical cylindrical slide unit for the cylindrical slide, the gap formed by the connection of the first and second cylindrical pipe units (110 and 120) of the children sliding through the inner space of the cylindrical slide (3). As it is formed in a direction perpendicular to the entry direction, the sharp foreign matters 5 fall into the inner space of the cylindrical slide 3 to fit in the gap formed by the connection of the first and second cylindrical pipe units 110 and 120. In this case, there is a problem that the safety is reduced as the injury to the body or clothes of children sliding through the cylindrical slide (3) inside.

The object of the present invention is to ensure that children can rest assured that there is no risk of injury to children sliding through the inner space of the cylindrical slide even if sharp foreign substances are caught in the gap formed by the connection of the cylindrical tube units. To provide a connection structure of the cylindrical tube unit for the slide.

An object of the present invention described above, the first cylindrical pipe unit is formed at one end is bent outwardly and the first cylindrical pipe unit is formed extending from the protruding coupling portion protruding in the longitudinal direction at the start of the bending of the first flange, The second cylindrical pipe unit is coupled to the downstream of the first cylindrical pipe unit and is coupled to the projecting coupling portion of the first cylindrical pipe unit is coupled to one end is bent outwardly formed a second flange facing the first flange And, a coupling structure of a cylindrical slide unit for cylindrical slides, comprising a fastening member fastened to the first and second flanges which are in contact with each other and integrally coupling the first and second cylindrical pipe units. do.

According to a preferred feature of the present invention, the protrusion coupling portion is formed with the same diameter and thickness as the first cylindrical pipe unit, the inner diameter of the second cylindrical pipe unit is formed corresponding to the outer diameter of the first cylindrical pipe unit.

According to a preferred feature of the present invention, the protruding coupling portion has the same inner diameter as the first cylindrical tube unit, but the outer peripheral surface thereof is inclined, and the protruding coupling portion is inserted into the bending start portion of the second flange of the second cylindrical tube unit. As the inclined grooves to be coupled are formed, the first and second cylindrical pipe units are formed to have the same diameter.

According to a more preferable feature of the present invention, the cover portion covering the fastening portion by the fastening member at the outer end of the first flange is bent in the same direction as the protruding coupling portion is formed extending.

According to a more preferred feature of the present invention, the protruding coupling portion is formed to protrude to a length of 5 mm to 20 mm.

According to the connecting structure of the cylindrical slide unit for cylindrical slide according to the present invention, the projection engaging portion that is inserted into the second cylindrical pipe unit located downstream in the traveling direction to the first cylindrical pipe unit located upstream in the traveling direction in the longitudinal direction As it extends, the gap where sharp foreign matter can be caught is formed in the opposite direction to the traveling direction of the children sliding through the inner space of the cylindrical slide, and as a result, even if sharp foreign matter gets caught in the gap formed by the connection of the cylindrical tube units There is no worry about injuries to children sliding through the inner space of the cylindrical slide has an excellent effect that children can use with confidence.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are intended to explain in detail enough to be easily carried out by those of ordinary skill in the art. This does not mean that the technical spirit and scope of the present invention is limited.

3a and 3b is a connection structure diagram of the cylindrical slide unit for cylindrical slides according to an embodiment of the present invention, Figures 4a and 4b is a connection structure diagram of the cylindrical slide unit for cylindrical slides according to another embodiment of the present invention Is shown.

The connection structure of the cylindrical slide unit for the cylindrical slide according to the present invention, even if a sharp foreign matter caught in the gap formed by the connection of the cylindrical tube units, there is no fear of injury to children sliding through the inner space of the cylindrical slide. 3A to 4B, one end of the first flange 11 is formed to be bent outwardly, and the bending start portion of the first flange 11 is longitudinally formed at one end thereof, as shown in FIGS. 3A to 4B. The first cylindrical pipe unit 10 is formed to extend the protruding coupling portion 13 is protruded to the downstream of the first cylindrical pipe unit 10 in the traveling direction and the protruding coupling of the first cylindrical pipe unit 10 The second cylindrical pipe unit 20 is formed by bending portions 13 and 13 'to each other and having one end thereof bent outwardly with a second flange 21 facing the first flange 11. First and third It comprises a fastening member 30 is fastened to the two flanges (11 and 21) to integrally couple the first and second cylindrical pipe units (10 and 20).

Here, the first cylindrical pipe unit 10 forms a part of the cylindrical slide together with the second cylindrical pipe unit 20, the synthetic resin material in the shape of a pipe formed with a through space so that the children can slide and move therein It is manufactured by rotating molding integrally with.

The first cylindrical pipe unit 10 is coupled upstream of the second cylindrical pipe unit 20 in the advancing direction, and at one end thereof, the second flange 21 of the second cylindrical pipe unit 20 to be coupled downstream thereof. The first flange 11 which is in contact with the surface is bent to the outside is formed, the protruding coupling portion which is inserted into the second cylindrical tube unit 20 is protruded in the longitudinal direction to the bending start portion of the first flange 11 ( 13, 13 ') are extended.

The protrusion coupling parts 13 and 13 'are formed such that the gap formed by the connection of the first and second cylindrical pipe units 10 and 20 is formed to be opposite to the moving direction of the children sliding through the inner space of the cylindrical slide. Even if a sharp foreign material 5 is caught in the gap, as a main configuration such that there is no fear of injury to children sliding through the inner space of the cylindrical slide, as shown in FIGS. 3A and 3B, the first cylindrical tube unit The same diameter and thickness as those of (10) may be formed (corresponding to reference numeral 13), and as shown in FIGS. 4A and 4B, they have the same inner diameter as the first cylindrical tube unit 10, but the outer peripheral surface thereof is inclined. It may be formed (corresponding to reference numeral 13 ').

When the protrusion coupling portion 13 is formed to protrude to the same diameter and thickness as the first cylindrical tube unit 10, as shown in Figures 3a and 3b, the protrusion coupling portion 13 is a second cylindrical tube unit The inner diameter of the second cylindrical tube unit 20 is fitted to fit into the (20) is formed corresponding to the outer diameter of the first cylindrical tube unit 10 has a configuration in which the diameter of the cylindrical tube unit is gradually increased toward the downstream.

When the protrusion coupling portion 13 'has the same inner diameter as the first cylindrical tube unit 10 but the outer peripheral surface thereof is inclined, as shown in FIGS. 4A and 4B, the protrusion coupling portion 13' The inclined groove 23 'is formed at the start of the bending of the second flange 21 of the second cylindrical tube unit 20 so that the fitting is fitted into the fitting. The two cylindrical pipe units 10 and 20 are formed with the same diameter so that all the cylindrical pipe units forming the cylindrical slide have the same diameter.

Protruding coupling portions (13, 13 ') is preferably extended to protrude to a length of 5 mm to 20 mm for smooth mutual coupling of the first and second cylindrical tube units (10 and 20) or smooth sliding movement of the children. Do.

The second cylindrical pipe unit 20 is coupled downstream of the first cylindrical pipe unit 10 in the advancing direction, and the second cylindrical pipe unit 20 is also part of the cylindrical slide like the first cylindrical pipe unit 10. By forming a, it is manufactured by integrally rotomolding by a synthetic resin material in a pipe shape in which a through space is formed so that children can slide and move therein.

In addition, one end of the second cylindrical pipe unit 20 to which the protruding coupling portions 13 and 13 'of the first cylindrical pipe unit 10 are coupled to face the first flange 11 of the first cylindrical pipe unit 10. A second flange 21 is formed which is bent outwardly in contact to allow mutual engagement.

As shown in FIGS. 3A and 3B, the second cylindrical pipe unit 20 has the inner diameter of the first cylindrical pipe unit 10 such that the protruding coupling portions 13 and 13 ′ are fitted into one end thereof. The second cylindrical tube unit 20 is formed to correspond to the outer diameter of the protrusion coupling portion 13, that is, corresponding to the outer diameter of the first cylindrical tube unit 10, or as shown in Figures 4a and 4b. The inclined groove 23 'is formed at the bending start portion of the second flange 21 to be fitted with the protrusion coupling portion 13.

The first and second cylindrical pipe units 10 and 20 may be formed of a single wall structure as shown, or may be formed of a double wall structure according to an embodiment.

A plurality of fastening members 30 are fastened at predetermined angular intervals to the first flange 11 of the first cylindrical pipe unit 10 and the second flange 21 of the second cylindrical pipe unit 20 which are in contact with each other. In addition, the fastening member 30 serves to integrally couple the first and second cylindrical pipe units 10 and 20 through mutual coupling of the first and second flanges 11 and 21. And a fastening bolt penetrating through the second flanges 11 and 21, and a fastening nut fastened to an end of the fastening bolt to prevent its separation.

In addition, when rainwater or the like flows into the fastening portion of the fastening member 30, the fastening portion may be loosened due to corrosion of the fastening member 30. In order to prevent this, the first of the first cylindrical pipe unit 10 may be prevented. It is preferable that the cover portion 15 covering the fastening portion by the fastening member 30 is bent in the same direction as the protruding coupling portions 13 and 13 'at the outer end of the flange 11 to extend.

The other end of the first cylindrical pipe unit 10 is formed with the same configuration as that of the second flange 21 of the second cylindrical pipe unit 20 for fastening with another cylindrical pipe unit located upstream thereof. 2 The other end of the cylindrical tube unit 20, the first flange 11 of the first cylindrical tube unit 10, the protrusion coupling portion (13, 13 ') and for fastening with other cylindrical tube units located downstream thereof; It is apparent that the same configuration as that of the cover part 15 is formed.

Therefore, when the connection structure of the cylindrical slide unit for cylindrical slide unit according to the present invention is applied, the second cylindrical pipe unit 20 located downstream in the traveling direction to the first cylindrical pipe unit 10 located upstream in the traveling direction As the protrusion coupling portion 13 'inserted into the protrusion 13 or the protrusion coupling portion 13' coupled in the inclined groove 23 'of the second cylindrical pipe unit 20 extends in the longitudinal direction, the sharp foreign matter 5 is Since the pinching gap is formed in the opposite direction to the traveling direction of the children sliding through the inner space of the cylindrical slide, even if a sharp foreign material 5 is caught in the gap formed by the connection of the cylindrical tube units 10 and 20, the cylindrical There is no fear of injury to children sliding through the inner space of the slide.

However, in the case of the protruding coupling portion 13, the stepped portion is formed, but when the length of the protruding coupling portion 13 is about 5 mm to 20 mm, even if the upper portion is moved by sliding, it does not give an unpleasant feeling. The step may even provide greater pleasure.

1 is a perspective view of a conventional cylindrical slide

Figure 2a and Figure 2b is a connection structure diagram of a cylindrical cylinder unit for a conventional cylindrical slide.

3a and 3b is a connection structure of the cylindrical slide unit for the cylindrical slide according to an embodiment of the present invention.

Figure 4a and Figure 4b is a connecting structure of the cylindrical slide unit for the cylindrical slide according to another embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

3: slide

5: sharp foreign objects

10: first cylindrical pipe unit

11: first flange

13, 13 ': protrusion coupling

15: cover part

20: first cylindrical pipe unit

21: second flange

23 ': Inclined groove

30: fastening member

Claims (5)

A first cylindrical tube unit having one end formed with a first flange bent outwardly and having a protruding engagement portion protruding in a longitudinal direction at a bending start portion of the first flange; A second flange coupled to a downstream side of the first cylindrical pipe unit in the advancing direction, and fitted with a protrusion coupling portion of the first cylindrical pipe unit, the second flange being face-contacted to the first flange at one end thereof; Cylindrical tube unit; And And a fastening member fastened to the first and second flanges which are in contact with each other, the fastening member integrally coupling the first and second cylindrical pipe units to each other. The method according to claim 1, As the protruding coupling portion is formed to have the same diameter and thickness as the first cylindrical tube unit, the inner diameter of the second cylindrical tube unit is formed to correspond to the outer diameter of the first cylindrical tube unit. Unit connection structure. The method according to claim 1, The protruding coupling portion has the same inner diameter as the first cylindrical tube unit, but the outer peripheral surface thereof is formed to be inclined, and a beveled groove into which the protruding coupling portion is fitted is formed at the bending start portion of the second flange of the second cylindrical tube unit. Connection structure of the cylindrical slide unit for cylindrical slide, characterized in that the first and second cylindrical tube unit is formed with the same diameter. The method according to any one of claims 1 to 3, Connection structure of the cylindrical slide unit for the cylindrical slide, characterized in that the outer cover portion of the cover portion to cover the fastening portion by the fastening member is bent in the same direction as the protruding coupling portion and extended. The method according to any one of claims 1 to 3, The protruding coupling portion is a connection structure of the cylindrical slide unit for the cylindrical slide, characterized in that extending to protrude in a length of 5 mm to 20 mm.

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