JP5624262B2 - Pipe curtain - Google Patents

Description

  The present invention relates to a foldable pipe curtain installed at an entrance, a passage, a window, etc. of a store, a facility, a house, etc., and in particular, at the time of opening and closing by controlling the pivot range and pivot direction of a joint panel that restrains the pipe. The present invention relates to a pipe curtain that prevents fluttering and that can be smoothly opened and closed.

  Pipe curtains have the advantage that the displayed products look good even after the store is closed, and security can be secured without compromising the aesthetics and openness of the store, and the opening and closing operation is light and quiet. Etc. are spreading widely. As a conventional pipe curtain, for example, there is one proposed in Japanese Patent Laid-Open No. 2005-30180 (Cited Document 1). Hereinafter, a conventional pipe curtain will be described with reference to FIGS.

  FIG. 7 is a front view showing a closed state of a conventional pipe curtain. FIG. 8 is a side view showing a storage state of a conventional pipe curtain. FIG. 9 is a schematic plan view showing a conventional pipe curtain opening / closing operation.

  7 and 8, the conventional pipe curtain 100 mainly has a configuration in which a plurality of pipes 110, 110, 110... The joint panel 120 is extrapolated to the positions of the upper, middle, and lower stages of the three pipes 110, 110, 110. For convenience of explanation, the center of the three pipes restrained by the joint panel 120 is called a center pipe 110B, and both sides thereof are called side pipes 110A.

  .. Are attached to the upper ends of the center pipes 110B, and the pulleys 130 can slide along the guide rails 140 provided on the ceiling surface S. Further, the entire pipe curtain 100 is suspended from the guide rail 140 via each pulley 130.

  Here, among the three pipes 110A, 110B, and 110A, anti-swaying rollers 150, 150, 150... Are attached to the upper end of one side pipe 110A, and the case 141 of the guide rail 140 has an anti-sway. A single guide plate 142 that contacts only the prevention roller 150 is provided. The anti-swaying roller 150 and the guide plate 142 are for limiting the rotation of the joint panel 120 around the center pipe 110B in an unintended direction.

  As shown in FIG. 9, the joint panel 120 is rotatable by 360 ° about the center pipe 110B as a central axis. However, when the pipe curtain 100 is in a closed state, the anti-rest roller 150, the guide plate 142, Are in contact with each other so that the joint panel 120 does not rotate beyond the guide plate 142.

With this configuration, when the pipe curtain 100 is folded and stored, the joint panels 120 are alternately rotated in the reverse direction about the center pipes 110B and deformed in a zigzag shape. Left-right displacement (so-called flapping) is prevented, and the storing operation of the pipe curtain 100 becomes smooth.
JP 2005-30180 A

  However, in the conventional pipe curtain 100 described above, the long guide plate 142 has a structure in which a large number of steady-state prevention rollers 150 are brought into contact with the long guide plate 142 extending over the entire length of the guide rail 140. Regardless of whether the pipe curtain 100 is closed or stored, it is always exposed to the outside, and on the contrary, there is a problem that the beauty of the store or the like is impaired. In particular, since the guide plate 142 does not function unless it is disposed below the ceiling surface S of a store or the like, the guide plate 142 is always exposed along the ceiling surface S and cannot be hidden and provided above the ceiling surface S. It was.

  In addition, in the process of closing the pipe curtain 100, there is a problem that many anti-swaying rollers 150 come into contact with the metal guide plate 142 and generate annoying noise. Further, since the steady prevention roller 150 is provided only on one of the pair of side pipes 110A and 110A, the side pipe 110A having the steady prevention roller 150 when the pipe curtain 100 is closed. Also, the side pipes 110A that do not have are alternately arranged, and there is a problem that the appearance of the closed pipe curtain 100 becomes unbalanced.

  The present invention has been made in view of the above problems, and with a small configuration that is extremely simple and inconspicuous in appearance, the rotation range and rotation direction of the joint panel that restrains the pipe can be controlled. The purpose is to provide a pipe curtain that prevents fluttering and noise, and enables a quiet and smooth opening and closing operation.

  In order to achieve the above object, a pipe curtain of the present invention includes a plurality of pipes and a joint panel provided with two or more bearing portions that are externally inserted into the pipe, and the joint panel pivots the pipe. A pipe curtain that forms a closed state in which the whole is extended and a storage state in which the whole is folded, and the rotation of two joint panels that rotate relative to the same pipe. An anti-inversion member that limits the moving range, the anti-inversion member has a pair of annular bodies, each annular body has a fixed portion to the bearing portion, and an insertion hole of the pipe, A convex portion is formed on one annular body, an arc-shaped concave groove is formed on the other annular body, and each annular body is fixed to the bearing portions of the two joint panels, and the convex portion The concave grooves and each other By loosely fitted, is two relative rotation range of the joint panel as configuration is limited to the range of the groove.

  According to the pipe curtain of the present invention having the above-described configuration, the reversal prevention member can be made very simple and small inconspicuous in appearance. By such a reversal prevention member, the two joint panels are interlocked, and these joints It is possible to control the rotation range and rotation direction of the panel. In other words, the rotation of each joint panel can be limited within the range of the arc-shaped groove of the anti-reverse member, and the direction of rotation of each joint panel is controlled by the direction of the arc-shaped groove. It becomes possible to do. As a result, flapping and noise can be prevented during opening and closing, and a quiet and smooth opening and closing operation can be realized.

  Preferably, the reversal prevention member is fixed to each bearing portion at both ends of the joint panel so as to rotate in reverse with each other. More preferably, the anti-inversion members are fixed to the respective bearing portions at both ends of the joint panel so as to rotate in reverse to each other, and all the anti-inversion members are arranged to alternately rotate in reverse. .

  According to such a configuration, a plurality of joint panels can be interlocked via the inversion preventing member, and these joint panels can be alternately rotated in the reverse direction within a predetermined range. As a result, the opening and closing operation of the pipe curtain with zigzag deformation can be precisely controlled for each bearing portion of each joint panel, and fluttering and noise are reliably prevented during opening and closing, making it quiet and smooth. Open and close operation is possible.

  Preferably, the convex portion has an arc shape of about 90 °, the concave portion has an arc shape of about 270 °, and the relative rotation range of the two joint panels is about 180 °.

  According to such a configuration, the rotation ranges of the two joint panels interlocked with each other via the inversion preventing member are each about 90 °, and a rotation range necessary for the opening / closing operation of the pipe curtain can be ensured. And when the rotation limit (0 ° or 180 °) of each joint panel is set to the closed state of the pipe curtain, the rotation of each joint panel exceeding the closed state can be restricted. It becomes possible to restrict the rotation of each joint panel in an unintended direction when the storage state is set.

  Preferably, the joint panel has at least three bearing portions, and the pipe inserted in the central bearing portion is configured to be movable along a guide rail.

  According to such a configuration, the joint panel can be rotated about the central axis of the pipe inserted in the central bearing portion, and the joint panel rotated by the inversion preventing member fixed to the bearing portion at one or both ends. The movement range and the rotation direction can be controlled.

  According to the pipe curtain of the present invention, the rotation range and the rotation direction of the joint panel that restrains the pipe can be controlled by the reversal prevention member having a small configuration that is extremely simple and inconspicuous in appearance. Noise generation is prevented, and quiet and smooth opening and closing operations are possible.

  Hereinafter, a pipe curtain according to an embodiment of the present invention will be described with reference to the drawings.

[Configuration of the entire pipe curtain]
First, the structure of the whole pipe curtain which concerns on this embodiment is demonstrated, referring FIGS. 1-3. FIG. 1 is a front view showing a closed state of a pipe curtain according to an embodiment of the present invention. FIG. 2 is a side view showing a storage state of the pipe curtain. FIG. 3 is an exploded perspective view showing the periphery of the inversion preventing member of the pipe curtain.

  1 and 2, the pipe curtain 1 has a configuration in which a plurality of pipes 10, 10, 10... As shown in FIG. 3, the joint panel 20 is provided with a total of three bearing portions 21, 21, 21 at equal intervals in the center and both ends, and each bearing portion 21 is provided with three pipes 10, 10, 10. These pipes 10 are rotatably constrained.

  In the following description, the center of the three pipes 10, 10, 10 restrained by the joint panel 20 is referred to as a center pipe 10B, and both ends thereof are referred to as side pipes 10A, 10A. In some cases, these are collectively referred to as a pipe 10.

  In the present embodiment, each joint panel 20 is provided at the upper, middle, and lower positions of each pipe 10. However, the present invention is not limited to this, and the middle joint according to the length of the pipe 10. The panel 20 may be omitted or added.

  A pair of pulleys 30 is attached to the upper end of each center pipe 10B, and each pulley 30 can slide along a guide rail 40 provided on the ceiling surface S1. Further, the entire pipe curtain 1 is suspended from the guide rail 40 via each pulley 30. Furthermore, a roller 62 is attached to the lower end of each center pipe 10B, and can slide along the guide groove 61 embedded in the floor surface S2.

  With such a configuration, the entire joint panel 20 is rotatable about the center pipe 10B as a central axis, and the two joint panels 20 are relatively rotatable about the same side pipe 10A. It is possible to form a closed state in which the entire curtain 1 is extended (see FIGS. 1 and 5A) and a storage state in which the entire curtain 1 is folded (see FIGS. 2 and 5B).

  Here, the pipe 10 used in this embodiment will be described in detail. As shown in FIG. 3, each pipe 10 has a configuration in which decorative cover pipes 12 and 12 made of colored plastic or the like are extrapolated to a light metal pipe 11 such as aluminum. The upper and lower ends of the metal pipe 11 are provided with end covers 13 and 13 for preventing various parts such as the cover pipe 12, the joint panel 20, and the inversion prevention member 50 described later from falling off. Is attached.

  Although not shown, one end side of the pipe curtain 1 shown in FIG. 1 is rotatably fixed to a wall portion (not shown) provided on the one end side of the guide rail 40 (not shown). The other end side is rotatably attached to a flange 70 (see FIGS. 5A and 5B) that is movable along the guide rail 40. For example, a lock means such as a French drop (not shown) is provided in the rod 70, and the pipe curtain 1 can be locked in a closed state. Further, the pipe curtain 1 can be configured as a single-open type in which one end of the guide rail 40 is closed with a single pipe curtain 1, or the other end of the guide rail 40 is connected with two pipe curtains 1, 1. It can be any of the double-open type that closes.

[Inversion prevention member]
Next, the configuration of the inversion preventing member 50 provided in the pipe curtain 1 will be described with reference to FIGS. FIG. 4 is a plan view or a bottom view showing the two annular main bodies constituting the inversion preventing member. FIG. 4 (a) is a fixing portion of both annular main bodies, and FIG. 4 (b) is a convex portion of one annular main body. FIG. 4C shows the concave groove of the other annular body, and FIG. 4D shows the loose fit between the convex portions and the concave grooves of both annular bodies. 5A and 5B are schematic plan views showing the opening / closing operation of the pipe curtain.

  1 and 2, between the two joint panels 20 and 20 that rotate relative to the same side pipe 10A as an axis, between the bearing portions 21 and 21 of the joint panels 20 and 20 provided in the upper stage. Are provided with anti-inversion members 50, 50, 50. Each inversion prevention member 50 is for controlling the rotation range and the rotation direction of the two joint panels 20 and 20 that rotate relatively around the same side pipe 10A.

  In FIG. 3, the inversion preventing member 50 includes a pair of annular main bodies 50A and 50B made of plastic. A substantially circular step-shaped fixing portion 51 corresponding to the outer shape of the bearing portion 21 is formed on one surface of the annular main bodies 50A and 50B, and an insertion hole 52 for the metal pipe 11 is provided at the center thereof. .

  As shown in FIG. 4 (a), a notch 51a having the same width as the plate thickness of the joint panel 20 is formed in a part of the circumference of the fixed portion 51 of the annular main bodies 50A and 50B. In addition, a pair of locking projections 51b and 51b that are opposed to each other protrude from the inside of the circumference of the fixed portion 51. On the other hand, a pair of locking grooves 22 and 22 corresponding to the locking protrusions 51b are formed on the lower end or the upper end of the bearing portion 21 of the joint panel 20.

  When the fixing portion 51 of the annular main bodies 50A and 50B is extrapolated to the bearing portion 21 of the joint panel 20, the notch portion 51a of the fixing portion 51 is fitted to the plate thickness of the joint panel 20, and each engagement of the fixing portion 51 is determined. The stop projections 51b are locked in the respective locking grooves 22 of the bearing portion 21, and the rotation of the annular main bodies 50A and 50B itself is prevented.

  On the other hand, on the other surface of the annular main body 50A, an arcuate convex portion 53 as shown in FIG. Further, an arcuate groove 54 as shown in FIG. 4C is formed on the other surface of the annular main body 50B. The convex portion 53 and the concave groove 54 can be loosely fitted to each other. In this embodiment, the convex portion 53 has a 90 ° arc shape, and the concave groove 54 has a 270 ° arc shape.

  As shown in FIG. 4 (d), when the 90 ° convex portion 53 (see the hatched portion in the figure) is loosely fitted into the 270 ° concave groove 54, the concave groove 54 has a remaining 180 ° range. The annular main bodies 50A and 50B can be relatively rotated. Accordingly, the relative rotation range of the two joint panels 20 and 20 with the annular main bodies 50A and 50B extrapolated is limited to 180 °, and the rotation range of the two joint panels 20 and 20 is 90 °, respectively. The rotation range necessary for the opening / closing operation of the pipe curtain 1 is ensured.

  Further, as shown in FIG. 5A, the inversion preventing member 50 having the same configuration is fixed symmetrically to the bearing portions 21 and 21 at both ends of the joint panel 20 so as to rotate reversely to each other. In the present embodiment, since the inversion preventing members 50 having the same configuration are respectively fixed to the bearing portions 21 at both ends of all the upper joint panels 20, all the inversion preventing members 50, 50, 50. To reverse.

  Further, as shown in FIG. 5A, the rotation limit of the inversion preventing member 50 (0 ° or 180 ° = where the end portions of the convex portion 53 and the concave portion 54 abut) is in the closed state of the pipe curtain 1. It is set to. Thereby, the rotation of each joint panel 20 exceeding the closed state can be restricted, and the rotation of each joint panel 20 in an unintended direction when changing from the closed state to the housed state (see FIG. 5B). It becomes possible to restrict movement.

  Such an anti-inversion member 50 is preferably molded from an engineering plastic excellent in strength, elastic modulus, and impact resistance, and in particular, polyacetal (trade name “DURACON” manufactured by Polyplastics Co., Ltd.) having excellent sliding characteristics. It is more preferable to use

[Opening and closing operation of pipe curtain]
Next, the opening / closing operation | movement of this pipe curtain 1 is demonstrated, referring FIG. 5 (a), (b). In these drawings, for convenience of explanation, the side pipe 10A is indicated by a “white circle”, and the center pipe B that moves along the guide rail 40 is indicated by a “black circle”. Moreover, the convex part 53 of the inversion prevention member 50 (annular main body 50A) and the joint panel 20 that rotates together with the convex part 53 are both indicated by “oblique lines”. Similarly, the concave groove 54 of the inversion preventing member 50 (annular main body 50B) and the joint panel 20 that rotates together with the concave groove 54 are both indicated by “white”.

  First, in the closed state shown in FIG. 5A, when the collar 70 attached to the other end of the pipe curtain 1 is pivoted in the direction of the arrow (1) in the figure, this force is applied to each joint panel. 20 in turn.

  Each joint panel 20 that receives the force tries to rotate as a whole about the center pipe 10B as a central axis, but by the contact between the convex portions 53 and the concave grooves 54 of the respective inversion preventing members 50 provided at both ends thereof. The rotation direction is alternately limited to one direction or the other direction. As a result, each joint panel 20 that receives the force is allowed to move along the concave groove 54, and the arrows (2), (3), (4), (5), (6) in FIG. ) Reverse rotation in the direction of ... alternately.

  Then, as shown in FIG. 5 (b), the entire joint panel 20 rotates reversely to nearly 90 ° alternately with the center pipe 10B as the central axis, and the two joint panels 20 with the side pipe 10A as the axis are mutually connected. The pipe curtain 1 is folded back in a zigzag shape by reversely rotating to nearly 90 °.

  Thereafter, the pipe curtain 1 is completely folded when the convex portion 53 and the concave groove 54 of each reversal prevention member 50 are in contact with each other again or when the joint panels 20 are in contact with each other. In the present embodiment, the rotation range of each reversal prevention member 50 is set to 180 °, and each joint panel 20 can be rotated up to 90 °. Comes into contact with each other, and the pipe curtain 1 is in the stored state.

  In addition, the rotation range of each inversion prevention member 50 is set to 180 ° or less, and the convex portion 53 and the concave groove 54 of each inversion prevention member 50 come into contact again before the joint panels 20 come into contact with each other. The pipe curtain 1 may be configured to be stored.

[Operation effect of this pipe curtain]
As described above, according to the pipe curtain 1 according to the present embodiment, the anti-inversion member 50 can be configured to be extremely simple and have a small configuration that is not conspicuous in appearance. It is possible to control the rotation range and the rotation direction of the joint panels 20 and 20 by interlocking the panels 20 and 20. In other words, the rotation of each joint panel 20 can be limited within the range of the arc-shaped concave groove 54 of the inversion preventing member 50 and the direction of the arc-shaped concave groove 54 can be changed when the joint panel 20 is opened or closed. It is possible to control the rotation direction. As a result, flapping and noise can be prevented during opening and closing, and a quiet and smooth opening and closing operation can be realized.

  Further, by providing the bearing portions 21 at both ends of all the upper joint panels 20, the joint panels 20 can be alternately rotated in opposite directions within a predetermined range. Thereby, the opening / closing operation of the pipe curtain 1 accompanied by the zigzag-shaped deformation can be precisely controlled for each bearing portion 21 of each joint panel 20, and it is possible to reliably prevent the occurrence of flapping and noise during opening and closing, Quiet and smooth opening and closing operations are possible.

Furthermore, it is possible to omit the conventional large-scale inversion prevention means using the guide plate 142 and the anti-swaying roller 150 shown in FIG. 7, and not only the configuration of the pipe curtain 1 but also the appearance is simple. be able to.
[Other changes]

  In addition, the pipe curtain of this invention is not limited to embodiment mentioned above. For example, in the above-described embodiment, the inversion prevention member 50 is provided only in the bearing portion 21 of the upper joint panel 20, but depending on the height dimension of the pipe curtain 1 (the total length of the pipe 10), it is shown in FIG. 6. As described above, the inversion preventing member 50 may be provided on the bearing portion 21 of the joint panel 20 at the upper, middle, and lower stages. Thereby, the opening / closing operation | movement of the large sized pipe curtain 1 can be made smooth.

  Moreover, in the said embodiment, although it was set as the structure which provided the inversion prevention member 50 in each bearing part 21 of the both ends of all the joint panels 20 of an upper stage, it is not restricted to this, The bearing part 21 of the joint panel 20 of a part of upper stage. Or it is good also as a structure which provided the inversion prevention member 50 in the bearing part 21 of all or one part of the joint panel 20 in either the middle stage or the lower stage.

  Further, the angles of the convex portion 53 and the concave groove 54 of the inversion preventing member 50 are not limited to 90 ° and 270 ° in FIGS. 4B and 4C, and the convex portion 53 and the concave groove 54 having various angles are combined. Thus, the rotation range and rotation direction of the joint panel 20 can be controlled. Further, the convex portion 53 may be a simple protrusion such as a quadrangular cross section or a circular shape instead of an arc shape.

It is a front view which shows the closed state of the pipe curtain which concerns on embodiment of this invention. It is a side view which shows the accommodation state of this pipe curtain. It is a disassembled perspective view which shows the periphery of the inversion prevention member of this pipe curtain. It is the top view thru | or bottom view which shows the two annular main bodies which comprise the said inversion prevention member, The same figure (a) is a fixing | fixed part of both annular main bodies, The same figure (b) is a convex part of the one annular main body, FIG. (C) is a concave groove of the other annular main body, and FIG. 6 (d) shows a loose fit state between the convex portion and the concave groove of both annular main bodies. FIGS. 4A and 4B are schematic plan views showing the opening / closing operation of the pipe curtain. It is a front view of the closed state which shows the example of a change of this pipe curtain. It is a front view which shows the closed state of the conventional pipe curtain. It is a side view which shows the accommodation state of the conventional pipe curtain. It is a schematic plan view which shows the opening / closing operation | movement of the conventional pipe curtain.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pipe curtain 10 Pipe 10A Side pipe 10B Center pipe 11 Metal pipe 12 Cover pipe 13 Decoration cover 20 Joint panel 21 Bearing part 22 Locking groove 30 Pulley 40 Guide rail 50 Inversion prevention member 50A, 50B Annular body 51 Fixing part 51a Fitting groove 51b Locking projection 52 Insertion hole 53 Convex part 54 Concave groove 61 Guide groove 62 Roller 70 框

Claims (5)

A closed state in which a plurality of pipes and a joint panel provided with two or more bearing portions that are externally inserted into the pipes, the joint panel rotating around the pipe and extending the whole, and the whole A pipe curtain that forms a folded storage state,
An anti-inversion member that limits the rotation range of the two joint panels that rotate relative to the same pipe as an axis;
The inversion prevention member has a pair of annular main bodies,
Each annular body has a fixed portion to the bearing portion, and an insertion hole for the pipe,
A convex portion is formed on one annular body, and an arc-shaped groove is formed on the other annular body.
Each annular main body is fixed to the bearing portion of each of the two joint panels, and the convex portion and the concave groove are loosely fitted to each other. A pipe curtain characterized by being restricted within the range of a concave groove.   The pipe curtain according to claim 1, wherein the reversal prevention members are fixed to the respective bearing portions at both ends of the joint panel so as to rotate reversely to each other.   The anti-inversion member is fixed to each bearing portion at both ends of the joint panel so as to rotate in reverse to each other, and all the anti-inversion members are arranged to rotate in reverse alternately. The pipe curtain according to 1 or 2.   The convex portion has an arc shape of about 90 °, the concave portion has an arc shape of about 270 °, and the relative rotation range of the two joint panels is about 180 °. The pipe curtain of any one of 1-3.   The pipe according to any one of claims 1 to 4, wherein the joint panel has at least three of the bearing portions, and the pipe inserted into the central bearing portion is movable along a guide rail. curtain.

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