JP2018138007A - Curtain opening/closing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a curtain opening/closing device capable of performing adjustment at an actual place, even when a different size and shape of a curtain is used in any of various facilities such as a horticulture facility.SOLUTION: A curtain opening/closing device 100 comprises: a runner 120 which travels along a rail 110; and a curtain 130 which is guided with the runner 120 along the rail 110 so that the curtain can be opened and closed freely, in which a chain 140 comprising plural annular parts 142 is connected to the runner 120, the curtain 130 is connected to any of the plural annular parts 142 of the chain 140 by a connection hook 150, thereby adjusting a relative position of the curtain 130 and the rail 110. According to the above mentioned structure, in any of various facilities such as a horticulture facility, even when a different size and shape of a curtain is used, adjustment at an actual place can be facilitated.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a curtain opening / closing device.

  As a conventional curtain opening / closing device, in particular, a curtain opening / closing device installed in a horticultural facility, there is one disclosed in Japanese Patent Application Laid-Open No. 2014-57567 (Patent Document 1). In the same document, a curtain is provided along the roof on the inside of the house body in which the roof connecting the upper ends of a pair of side walls facing each other is extended in the depth direction, and the curtain is supported by the support portion extended in the depth direction. It is disclosed that it is configured to be supported and opened and closed along the depth direction. Thereby, since the curtain is supported by the support part extended in the depth direction of the house body, and is configured to open and close in the depth direction along the support part, the amount of solar radiation is reduced by the fully opened curtain. There is a feature that can be suppressed.

  In addition, the curtain has a belt-shaped reinforcing band extending between both ends in a direction orthogonal to the depth direction of the house body, and each reinforcing band has eyelets corresponding to the number of the supporting parts, and extends along the supporting parts. It is disclosed that the curtain is held by the pulley by passing a hook connected to the movable pulley through the eyelet. Thereby, when attaching a curtain, an operator has the characteristic that a curtain can be easily suspended by a support part only by passing a hook through the eyelet provided in the fixed position.

JP 2014-57567 A

  However, when installing curtains in various facilities such as horticultural facilities, the shape and size of the facilities vary, and a curtain that matches the shape and size is required. The spacing between the curtain support and the curtain is Although it is allowed to some extent, if the interval is large, it is impossible to mount the curtain, and there is a problem that it is difficult to adjust on the spot.

  Therefore, the present invention has been made in view of such a problem, and the object of the present invention is to make adjustments in the field even when installing curtains of various shapes and sizes in various facilities such as horticultural facilities. It is an object of the present invention to provide a curtain opening / closing device that can be facilitated.

  In order to solve the above-described problems, according to the present invention, the guide member includes: a guide member that travels along a support member; and a curtain that is guided to be opened and closed along the support member together with the guide member. Is connected to a position adjusting portion having a plurality of locking portions, and the curtain is connected to one of the plurality of locking portions of the position adjusting portion by a connecting portion, whereby the curtain and the support member are connected to each other. A curtain opening and closing device is provided, wherein the relative position is adjusted.

  According to this configuration, the runner is connected to the position adjustment portion having a plurality of locking portions in the longitudinal direction, and the curtain is connected to one of the plurality of locking portions by the connecting portion. By changing the locking position of the connecting portion with respect to the position adjusting portion in accordance with the distance between the guide member and the curtain, it is possible to set the preferred distance at the same time as connecting the guide member and the curtain. Further, the left and right balance of the curtain can be achieved by providing the position adjusting portions on the guide members located on the left and right sides of the curtain and aligning the positions of the locking portions to be locked on the left and right. In particular, when applied to a curtain installed in a horticultural facility, the tension of the curtain can be adjusted to an optimum state according to the size of the horticultural facility. As described above, according to the present invention, on-site adjustment can be facilitated even when curtains having various shapes and sizes are attached in various facilities such as garden facilities.

The present invention can be applied in various ways. The following application examples can be appropriately combined.
For example, the position adjusting part may be a long chain, and the locking part may be an annular part constituting the chain. By using the position adjusting portion as a chain, it is possible to adjust the tension of the curtain so as to be in an optimum state only by connecting any annular portion of the chain to the curtain by the connecting portion. Moreover, high durability can be provided by using a chain.

  Further, one end of the chain is connected to the guide member, the other end is a free end, and each annular portion located on the free end side from the annular portion locked to the connecting portion interferes with the curtain. You may make it hang down without. Since the surplus portion of the chain by adjusting the locking position hangs down by its own weight without interfering with the curtain, it is possible to prevent the opening and closing of the curtain from being hindered.

  The guide member and the curtain may be connectable in the horizontal direction. According to such a configuration, since the curtain can be provided in the horizontal direction, it is suitable for use in a horticultural facility. That is, when providing a curtain so as to cover the ceiling in the horticultural facility, rails are arranged at the zenith and the left and right shoulders in the horticultural facility, and the guide member opens and closes along the support members arranged on the left and right shoulders. However, since the guide member and the curtain can be connected in the horizontal direction, the curtain can be arranged in the horizontal direction. Therefore, the curtain can be easily installed so as to cover the ceiling in the garden facility.

  Further, the guide member and the curtain can be connected in the horizontal direction, and when the guide member and the curtain are connected via a chain, the chain is disposed in the horizontal direction, and the guide member and The curtain can be easily connected in the horizontal direction. Furthermore, when such a configuration is applied to a curtain installed so as to cover the ceiling portion in the garden facility, the tension of the curtain can be adjusted to an optimum state according to the size of the garden facility.

  Still further, when the guide member and the curtain are connectable in the horizontal direction and are used in combination with a structure in which one end of the chain is connected to the guide member and the other end is a free end, the annular portion locked to the connecting portion. Each of the annular portions located on the free end side of the frame hangs down naturally, and interference between the chain and the curtain is avoided, thereby preventing the opening and closing of the curtain from being hindered.

  According to the present invention, it is possible to facilitate on-site adjustment even when curtains of various shapes and sizes are attached in various facilities such as horticultural facilities. Other effects of the present invention will also be described in a mode for carrying out the invention described later.

It is a perspective view which shows the whole structure in the state which closed the curtain of the gardening facility where the curtain opening / closing apparatus of 1st Embodiment was used. It is a figure which shows the state which closed the curtain, (a) is a front view, (b) is a side view. It is a figure for demonstrating a curtain opening and closing apparatus, (a) is a figure for demonstrating each of a curtain, a chain, and a connection hook, (b) has a slack when a curtain is small compared with a gardening facility. It is a figure which shows the latching state of the connecting hook to the curtain and chain when making it, and (c) is the relation of the connecting hook to the curtain and the chain when adjusting the tension when the curtain is larger than the gardening facility. It is a figure which shows the state of a stop. It is a figure which shows the attachment position to the chain 140 of the connection hook 150 corresponding to the magnitude | size of the gardening facility 10 and the curtain 130, (a) is a figure which shows a state when a curtain is large with respect to a gardening facility, b) is a diagram showing a state when the curtain is small with respect to the gardening facility. It is a figure for demonstrating the opening / closing operation | movement of a curtain, (a) is a side view which shows the state in which the curtain was closed, (b) is a side view which shows the state in the middle of opening / closing of a curtain, (c) FIG. 4 is a side view showing a state in which the curtain is opened. It is a perspective view which shows the state which folded up a part of curtain. It is a front view which shows the state which folded up a part of curtain. It is a side view which shows the example which the curtain opening / closing apparatus of 2nd Embodiment opens and closes a curtain from the both sides of a depth direction.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in this specification and drawing, about the component which has the substantially same function structure, duplication description is abbreviate | omitted by attaching | subjecting the same code | symbol.

(First embodiment)
A first embodiment of the present invention will be described. First, the overall configuration of the curtain opening / closing device 100 of the present embodiment will be described with reference to FIGS. 1 and 2. FIG. 1 is a front view schematically showing the overall configuration of the curtain opening / closing device 100. FIG. 2 is a side view of the curtain opening / closing device 100.

  In the present embodiment, an example in which the curtain opening / closing device 100 is used in a garden facility 10 will be described. First, the overall configuration of the gardening facility 10 using the curtain opening / closing device 100 according to the present embodiment and the entire configuration of the curtain opening / closing device 100 implemented in the gardening facility 10 will be described with reference to FIGS. . FIG. 1 is a perspective view showing an overall configuration in a state where a curtain of a horticultural facility in which the curtain opening / closing device of this embodiment is used is closed. FIG. 2 is a view showing a state in which the curtain is closed, in which (a) is a front view and (b) is a side view. FIG. 3 is a diagram for explaining the curtain opening / closing device.

  As shown in FIGS. 1 and 2, the horticultural facility 10 using the curtain opening / closing device 100 according to the present embodiment includes a plurality of arch frames 12 aligned in parallel to the longitudinal direction, and the arch frames 12 in the depth direction. And three purlin frames 14 to be connected. Usually, the outer periphery of the arch frame 12 is covered with a vinyl sheet (not shown). The shape of the ceiling portion of the arch frame 12 is a mountain shape as shown in FIGS. The purlin frame 14 is disposed in the vicinity of the apex of the mountain shape of the arch frame 12 and at both ends of the mountain shape. In the present specification, the term “mountain” refers to a form in which the height substantially increases from both ends toward the center unless otherwise specified, and includes a substantially round shape, an arch shape, an arc shape, and the like. . It does not necessarily have to be symmetrical.

  As shown in FIG. 1, the curtain opening / closing device 100 includes a runner (guide member) 120 that travels along a rail (support member) 110, and a curtain 130 that is guided to open and close along the rail 110 together with the runner 120. The curtain 130 is connected to any one of a plurality of annular portions (locking portions) 142 of the chain (position adjusting portion) 140 by a connecting hook (connecting portion) 150, whereby the curtain 130 and the rail 110 are connected. The relative position is configured to be adjusted. Hereinafter, the curtain opening and closing device 100 will be described in detail.

(Rail 110)
The rail 110 is a support member for attaching the curtain 130 to the garden facility 10 so that the curtain 130 can be opened and closed. As shown in FIG. 1, the rail 110 is fixed along a purlin frame 14 provided at a plurality of locations (three locations in the present embodiment) of the horticultural facility 10. In this embodiment, three rail purlins are present. It is fixed to all the frames 14. As shown in FIG. 2 (a), the central rail 110-1 fixed to the purlin frame 14 arranged in the center of the garden facility 10 in the vicinity of the peak of the mountain shape of the arch frame 12 is a central runner 120- described later. 1 is arranged so as to face downward. Note that the rails are collectively referred to as rails 110.

  Further, end rails 110-2 and 110-3 fixed to the purlin frame 14 disposed at both ends of the horticultural facility 10 which are both ends of the mountain shape of the arch frame are end runners 120-1 and 120- described later. 2 are arranged to face each other. The central rail 110-1 and the end rails 110-2 and 110-3 are collectively referred to as the rail 110.

  As shown in FIG. 2B, the rail 110 has a long shape and is configured to have substantially the same length as the purlin frame 14. The rail 110 is arranged along the purlin frame 14 so as to extend in the depth direction of the garden facility 10. The central rail 110-1 is fixed to the purlin frame 14 by a bracket 112 at a plurality of locations in the longitudinal direction, and the end rails 110-2 and 110-3 are arched by the bracket 112 at a plurality of locations in the longitudinal direction. 12 is fixed.

(Runner 120)
The runner 120 is a guide member that connects the curtain 130 to the rail 110 so as to be opened and closed. As shown in FIG. 1, a plurality of runners 120 are provided on the rail 110 and can run along the rail 110. The runner 120 includes a central runner 120-1 provided on the central rail 110-1 and end runners 120-2, 120-3 provided on the end rails 110-2, 110-3. In addition, when naming a runner generically, it is called the runner 120.

  As shown in FIG. 2A, the central runner 120-1 is disposed so as to hang from the central rail 110-1, and a central runner hook 122 is suspended from the central runner 120-1. The central runner hook 122 is locked to a swingable material at a central opening 132-1 of the curtain 130 described later.

  As shown in FIG. 2A, the end runners 120-2 and 120-3 are arranged so as to face the end rails 110-2 and 110-3, and the end runners 120-2 and 120-3. -3 is connected to the chain 140. The chain 140 is connected to end openings 132-2 and 132-3 of the curtain 130, which will be described later, by a connecting hook 150.

(Curtain 130)
The curtain 130 opens or closes the ceiling portion in the gardening facility 10. As shown in FIG. 1, the curtain 130 is provided along the arch frame 12 over the entire length in the depth direction of the garden facility 10. As shown in FIG. 2, the curtain 130 is connected to the central runner 120-1 at the center in the width direction and the end rails 110-2 and 110-at both ends in the width direction. 3 is connected to end runners 120-2 and 120-3. Thus, the curtain can cover the entire ceiling of the horticultural facility 10.

  Further, as shown in FIG. 1, the curtain 130 has a circular central opening 132-1 and end openings 132-2 and 132-3 in the depth direction in the center and both ends in the width direction. A plurality are formed at intervals. Eyelets are provided around the openings 132-1, 132-2, and 132-3 to be reinforced.

  As shown in FIG. 2A, the central opening 132-1 of the curtain 130 is connected to the central runner 120-1 of the central rail 110-1 as described above. Further, the end openings 132-2 and 132-3 at both ends of the curtain 130 are connected to the end runners 120-2 and 120-3 of the end rails 110-2 and 110-3. As illustrated in FIG. 2B, the curtain 130 is supported by the runner 120 at a plurality of locations in the depth direction of the garden facility 10.

  As shown in FIG. 1, operation means 160 described later is provided at the opening and closing start portion of the curtain 130. The curtain 130 is opened and closed by the operating means 160.

(Chain 140)
The chain 140 connects the curtain 130 and the end runners 120-2 and 120-3 so that the relative position between the end of the curtain 130 in the width direction and the end rails 110-2 and 110-3 is adjusted. It is a position adjustment unit. Hereinafter, the configuration of the chain 140 will be described with reference to FIG. FIG. 3 is a diagram for explaining the curtain opening and closing device, (a) is a diagram for explaining each of the curtain, the chain and the connecting hook, and (b) is when the ten is smaller than the garden facility, It is a figure which shows the latching state of the connection hook to the curtain and chain when giving slack, (c) is the connection to the curtain and chain when adjusting the tension when the curtain is larger than the gardening facility It is a figure which shows the state of latching of a hook.

  In FIG. 3, the chain 140 provided on the left side as viewed from the front of the horticultural facility 10 will be described as an example, but the chain 140 provided on the right side has the same configuration. As shown in FIG. 3, the chain 140 is formed in a long shape by connecting a plurality of annular portions 142. The annular portion 142 is a locking portion to which a connection hook 150 described later is connected.

  As shown in FIG. 3A, the chain 140 has one end connected to the end runner 120-2 and the other end being a free end. As shown in FIG. 3B, the curtain 130 and the runner 120 are connected in the horizontal direction by locking a connecting hook 150 described later to any one of the annular portions 142 constituting the chain 140.

  The connection hook 150 is a connection part that connects the curtain 130 and the chain 140. As shown in FIG. 3A, the connecting hook 150 has a substantially triangular ring shape, and an opening / closing part 152 is provided on one side. By opening the opening / closing part 152, the connecting hook 150 can be locked to the end opening 132-2 of the curtain 130 to be locked and the annular part 142 of the chain 140 by opening the opening / closing part 152. When the portion 152 is closed, the ring is closed and cannot be detached from the end opening portion 132-2 and the annular portion 142.

  The operation of connecting the curtain 130 to the end runner 120-2 simply by connecting the connecting hook 150 previously locked to the end opening 132-2 of the curtain 130 to the suitable annular portion 142 of the chain 140. And the operation | work which adjusts the relative position of the curtain 130 and the edge part rail 110-2 is performed simultaneously.

  As shown in FIG. 3B, the connecting hook 150 is locked to both the end opening 132-2 of the curtain 130 and the arbitrary annular portion 142 of the chain 140. For example, when the curtain 130 is smaller than the garden facility 10 or when it is desired to have a slack between the rail 110 and the curtain 130, as shown in FIG. The connecting hook 150 is locked to the annular part 142 of the part.

  Further, when the curtain 130 is larger than the garden facility 10 or when it is desired to provide tension between the rail 110 and the curtain 130, as shown in FIG. The connecting hook 150 is locked to 142. Each annular portion 142 located on the free end side from the annular portion 142 locked to the connecting hook 150 hangs down without interfering with the curtain 130.

(Operating means 160)
The operation means 160 is for operating opening / closing of the curtain 130. As shown in FIG. 2A, the operation means 160 includes three pulling parts 162, 164, 166 and an operation part 168. One end of the central pulling portion 162 is connected to the central opening 132-1 of the curtain 130, and one ends of the pulling portions 164 and 166 at both ends are connected to the end opening portions 132-2 and 132-3 at both ends of the curtain 130. It is connected.

  Further, the other ends of the three pulling portions 162, 164, and 166 are connected to one end portion of the operation portion 168. The other end of the operation unit 168 is a free end, and the curtain 130 can be opened and closed by gripping the operation unit 168 and operating the operation means 160. The heights of the connecting portions at the other ends of the three pulling portions 162, 164, and 166 are provided higher than the heights of the end rails 110-2 and 110-3. The operation means 160 is configured with a chain in the present embodiment, but may be configured with a string, a belt, or the like.

  The configuration of the curtain opening / closing device 100 of the present embodiment has been described above. Next, the operation of the curtain opening / closing device 100 will be described with reference to FIG. FIG. 4 is a view showing the attachment position of the connecting hook 150 to the chain 140 corresponding to the size of the garden facility 10 and the curtain 130, and (a) is a view showing a state when the curtain is larger than the garden facility. Yes, (b) is a diagram showing a state when the curtain is small with respect to the garden facility.

  When the curtain 130 is larger than the horticultural facility 10, the curtain opening / closing device 100 is locked in advance on the end openings 132-2 and 132-3 of the curtain 130 as shown in FIG. The connected connecting hook 150 is locked to a suitable annular portion 142 near the end of the chain 140 on the runner side. In this example, the connecting hook 150 is connected to the annular portion 142 at the end portion on the runner side of the chain 140.

  When the curtain 130 is smaller than the horticultural facility 10, the curtain opening / closing device 100 locks the connecting hook 150 to an arbitrary annular portion 142 near the free end of the chain 140, as shown in FIG. To do. In this example, the connecting hook 150 is connected to the fourth annular portion 142 from the free end of the chain 140.

  Thus, regardless of the size of the garden facility 10 and the curtain 130, the connecting hook 150 that is locked to the end openings 132-2 and 132-3 of the curtain 130 is connected to a suitable annular portion of the chain 140. The operation of connecting the curtain 130 to the end runners 120-2 and 120-3 and the operation of adjusting the relative position of the curtain 130 and the end rail 110-2 are performed at the same time only by connecting to the 142. Further, each annular portion 142 located on the free end side from the annular portion 142 locked to the connecting hook 150 hangs down without interfering with the curtain 130.

  The operation of the curtain opening / closing device 100 of the present embodiment has been described above. Next, the operation of the curtain opening / closing device 100 will be described with reference to FIGS. 5A and 5B are diagrams for explaining the opening / closing operation of the curtain, wherein FIG. 5A is a side view showing a state in which the curtain is closed, and FIG. 5B is a side view showing a state in the middle of opening / closing the curtain. (C) is a side view which shows the state by which the curtain was opened. FIG. 6 is a perspective view showing a state in which a part of the curtain is folded. FIG. 7 is a front view showing a state in which a part of the curtain is folded.

(Opening operation of curtain 130)
When opening the curtain 130, the operation unit 168 of the operation means 160 shown in FIG. As a result, as shown in FIG. 6, the connecting portions of the three pulling portions 162, 164, and 166 are pulled by the operation portion 168, and one ends of the three pulling portions 162, 164, and 166 are connected, respectively. The two runners 120 are simultaneously pulled toward the depth side of the gardening facility 10 in the depth direction. For this reason, the curtain 130 is folded toward the depth side of the gardening facility 10 in the depth direction.

  Therefore, as shown in FIG. 5B, each runner 120 moves along the rail 110 in the depth direction of the horticultural facility 10, and the curtain 130 is opened. When the operation unit 168 is further pulled in the depth direction of the horticultural facility 10, the curtain 130 is folded into the back side of the horticultural facility 10 as illustrated in FIG.

(Closing operation of curtain 130)
Next, when closing the curtain 130, the operation unit 168 shown in FIG. 5C is held and moved to the front side in the depth direction of the garden facility 10. Thereby, contrary to when the curtain 130 described above is opened, as shown in FIG. 6, the three runners 120 are pulled all at once toward the front side in the depth direction of the gardening facility 10. For this reason, each runner 120 moves along the depth direction of the gardening facility 10 along the rail 110. Therefore, as shown in FIG. 5B, the folded curtain 130 is developed. In this way, the curtain 130 is closed as shown in FIG.

  When the curtain 130 is opened and closed as described above, as shown in FIG. 7, each annular portion 142 located on the free end side from the annular portion 142 locked to the connecting hook 150 of the chain 140 is replaced with the curtain 130. Drooping without interfering with. For this reason, the hanging annular portion 142 does not interfere with the opening / closing operation of the curtain 130.

(Effects of the first embodiment)
As described above, according to the present embodiment, the runner 120 is connected to the chain 140 having a plurality of annular portions 142 in the longitudinal direction, and the curtain 130 is connected to one of the plurality of annular portions 142 by the connecting hook 150. Therefore, by changing the locking position of the connecting hook 150 with respect to the position adjusting unit in accordance with the distance between the runner 120 and the curtain 130, the runner 120 and the curtain 130 are connected and at the same time set to a preferred distance. Can do. In addition, the chain 140 is provided on the runner 120 positioned on the left and right of the curtain 130, and the position of the annular portion 142 to be locked is adjusted on the left and right, so that the left and right of the curtain 130 can be balanced. In particular, when applied to the curtain 130 installed in the horticultural facility 10, the tension of the curtain 130 can be adjusted to an optimum state according to the size of the horticultural facility 10.

  Moreover, the tension of the curtain 130 can be adjusted to an optimum state only by connecting any one of the annular portions 142 of the chain 140 to the curtain 130 by the connecting hook 150. Moreover, high durability can be provided by using a chain.

  The chain 140 has one end connected to the runner 120 and the other end a free end. Each annular portion 142 located on the free end side from the annular portion 142 locked to the connecting hook 150 is connected to the curtain 130. Drooped without interference. For this reason, the surplus portion of the chain due to the adjustment of the locking position hangs down by its own weight without interfering with the curtain 130, so that the opening and closing of the curtain 130 can be prevented from being hindered.

  Moreover, since the runner 120 and the curtain 130 are configured to be connected in the horizontal direction, the curtain opening / closing device 100 of the present embodiment is suitable for use in the garden facility 10. In other words, when the curtain 130 is provided so as to cover the ceiling in the gardening facility 10, the rails 110 are arranged at the zenith and the left and right shoulders in the gardening facility 10, and along the rails 110 arranged on the left and right shoulders. Although the structure which connects the runner 120 and the curtain 130 which open and close can be considered, since the runner 120 and the curtain 130 can be connected in a horizontal direction, the curtain 130 can be arrange | positioned in a horizontal direction. Therefore, the curtain 130 can be easily installed so as to cover the ceiling portion in the gardening facility 10.

  In addition, the runner 120 and the curtain 130 can be connected in the horizontal direction, and when the runner 120 and the curtain 130 are connected via the chain 140, the chain 140 is arranged in the horizontal direction. 120 and the curtain 130 can be easily connected in the horizontal direction. Furthermore, when such a configuration is applied to the curtain 130 installed so as to cover the ceiling portion in the garden facility 10, the tension of the curtain 130 is adjusted to an optimum state according to the size of the garden facility 10. it can.

  Furthermore, the runner 120 and the curtain 130 can be connected in the horizontal direction, and when used in combination with a configuration in which one end of the chain 140 is connected to the runner 120 and the other end is a free end, Each annular part 142 located on the free end side from the part 142 hangs down naturally, and interference between the chain 140 and the curtain 130 is avoided, and it is possible to prevent the opening and closing of the curtain 130 from being hindered.

(Second Embodiment)
A curtain opening / closing device 200 according to the second embodiment will be described with reference to FIG. FIG. 8 is a side view showing an example in which the curtain opening / closing device of the second embodiment opens and closes the curtain from both sides in the depth direction. The curtain opening / closing apparatus 200 according to the present embodiment is configured such that the curtain opening / closing apparatus 100 according to the first embodiment opens / closes the curtain 130 from one side in the depth direction of the garden facility 10, whereas the curtain 230 is used as the garden facility 10. It opens and closes from both sides in the depth direction.

  As shown in FIG. 8, the curtain opening / closing device 200 is provided with operation means 260 at both ends of the curtain 230 in the depth direction of the garden facility 10. With such a configuration, the curtain 230 opens and closes from both sides in the depth direction of the garden facility 10. The other points are substantially the same as those in the first embodiment, and a duplicate description is omitted.

(Effect of 2nd Embodiment)
As described above, according to the present embodiment, since the curtain 230 is opened and closed from both sides, it is possible to make the sun or shade at a desired position of the garden facility 10, and therefore, the usage method of the garden facility 10 Variations increase.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to this example. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  For example, although the said embodiment demonstrated the example which used the curtain opening / closing apparatus 100 for the garden facility 10, this invention is not limited to this, It can employ | adopt for various facilities.

  For example, in the above-described embodiment, the position adjustment unit is the elongated chain 140 and the locking unit is the annular portion 142 constituting the chain 140, but the present invention is not limited to this example. The position adjusting unit may be anything as long as the relative position between the curtain and the rail can be adjusted. For example, the position adjustment unit may be a plate-like member, and a hook or a hole may be provided as the locking unit.

  In the above embodiment, the chain 140 has one end connected to the end runners 120-2 and 120-3, the other end is a free end, and the free end side from the annular portion 142 locked to the connecting hook 150. Each of the annular portions 142 positioned in the position hangs down without interfering with the curtain 130, but the present invention is not limited to this example. Each annular portion located on the free end side from the annular portion locked to the connecting hook does not have to be suspended. For example, the annular portion located at the free end may be locked to the connecting hook, or connected to another annular portion or an end runner.

  Moreover, although the edge part runners 120-2 and 120-3 and the curtain 130 were connected in the horizontal direction in the said embodiment, this invention is not limited to this example. The end runner and the curtain do not necessarily need to be connected in the horizontal direction. For example, the end runner and the curtain may be slightly shifted from the horizontal direction, or the end runner and the curtain may be connected in the vertical direction or in the oblique direction. .

  Moreover, in the said embodiment, although the center runner 120-1 was connected with the center opening part 132-1 by the hook 122 for center runners not via the chain 140 and the connection hook 150, this invention is limited to this example. Not. The central runner 120-1 and the central opening 132-1 are connected by the chain 140 and the connecting hook 150, and not only both ends of the curtain but also the central part in the curtain width direction may be connected to each runner so that the position can be adjusted. Well, you may connect with each runner so that position adjustment is possible only in the center part of a curtain width direction.

  The above embodiment, application examples, and modification examples can be implemented in any combination.

DESCRIPTION OF SYMBOLS 10 Horticultural facilities 12 Arch frame 14 Purlin frame 100, 200 Curtain switchgear 110 Rail (support member)
110-1 Central rail 110-2, 110-3 End rail 112 Bracket 120 Runner (guide member)
120-1 Central runner (guide member)
120-2, 120-3 End runner (guide member)
122 Central runner hook 130, 230 Curtain 132-1 Central opening 132-2, 132-3 End opening 140 Chain (Position adjustment part)
142 Annular part (locking part)
150 Connection hook (connection part)
152 Opening / closing part 160, 260 Operating means 162, 164, 166 Traction part 168 Operating part

Claims (4)

A guide member that travels along the support member;
A curtain guided along the support member together with the guide member so as to be opened and closed;
With
The guide member is connected to a position adjusting portion having a plurality of locking portions,
The curtain opening and closing device is characterized in that the relative position between the curtain and the support member is adjusted by connecting the curtain with any one of the plurality of locking portions of the position adjusting unit through a connecting unit.   The curtain opening and closing device according to claim 1, wherein the position adjusting portion is a long chain, and the locking portion is an annular portion constituting the chain. One end of the chain is connected to the guide member, the other end is a free end,
The curtain opening / closing device according to claim 2, wherein each annular portion positioned on the free end side from the annular portion locked to the connecting portion hangs down without interfering with the curtain.   The curtain opening and closing device according to claim 1, wherein the guide member and the curtain are connectable in a horizontal direction.