JPH0591297U - Guide member for vinyl sheet opening / closing device in greenhouse - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent clinging to the guide pipe. A pair of two sets, each of which has a bearing member 4 for rotatably supporting a winding rod fixed to a vinyl sheet and is arranged at a predetermined interval in a direction substantially orthogonal to the moving direction of the winding rod. In a guide member for a greenhouse vinyl sheet opening / closing device having a guide roller, a set of guide rollers is provided between two paired frame members 2 and 3 facing each other,
The roller members 10 and 11 each have a substantially cylindrical shape and are arranged at a predetermined interval in the direction along the moving direction. Another set of guide rollers is composed of roller members 12, 13, 14, 15 of substantially conical shape which are rotatably supported with their tops facing each other. A guide pipe 1 is placed between these two sets of guide rollers.
Use by inserting 7.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a guide member for a vinyl sheet opening / closing device of a greenhouse that winds / unwinds and opens / closes a vinyl sheet forming a side wall of the greenhouse in order to control the temperature or ventilation of the greenhouse.

[0002]

[Prior Art]

 Conventionally, it was necessary to wind up the vinyl sheet that forms the greenhouse side wall along the shape of the greenhouse from its lower end with a winding rod, and while rotating this winding rod, move the guide rod along the outer peripheral surface of the greenhouse. As a guide member to be used, for example, Japanese Utility Model Publication No. 59-34286 discloses the following structure.

That is, a drive shaft connected to one end of a winding rod, a ratchet pivotally fixed to the drive shaft, a handle for rotating the drive shaft, and a drive shaft sandwiching the ratchet. A pair of side plates rotatably supported on the upper side, and a pair of side plates rotatably supported by a pivot pin fixed between the side plates, the tip of which is provided so as to mesh with the pawl of the ratchet. Drive device including a day tent, a stopper pin for suppressing rotation of the day tent, and a plurality of cylindrical guide rollers rotatably and horizontally rotatably supported by a shaft pin fixed to a position between both side plates And a guide pipe that is closely inserted between these guide rollers to support and guide the drive device.

Then, when the handle is rotated, the vinyl sheet is taken up and unwound by the take-up rod, and the guide roller is raised or lowered along the guide pipe accordingly.

[0005]

[Problems to be solved by the device]

 However, in the conventional guide member, since the guide roller is formed in a cylindrical shape, for example, if one end of the vinyl sheet is delayed in winding during ascending, lateral twisting may occur. In this case, since the guide roller is rotatably supported by the shaft pin that is arranged so as to extend over the pair of both side plates, the upper edge or the lower edge of the side plate comes into contact with the guide pipe, causing so-called biting, and There is a problem that the ascending / descending movement of the members stops.

The present invention has been made to solve the above-mentioned problems, and even if a lateral twist occurs due to a delay in winding a vinyl sheet or the like, the vinyl sheet opening / closing of a greenhouse can prevent the occurrence of biting on the guide vipe. An object is to provide a guide member for a device.

[0007]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the guide member for a vinyl sheet opening / closing device of a greenhouse of the present invention is a winding member fixed to the edge of the vinyl sheet for winding and unwinding the vinyl sheet forming the side wall of the greenhouse. In addition to having a bearing member that rotatably supports the take-up rod, it also has two sets of guide rollers arranged at a predetermined interval in a direction substantially orthogonal to the moving direction of the take-up rod. A guide member for a vinyl sheet opening / closing device of a greenhouse, in which a guide pipe standing upright in the vicinity of a greenhouse side wall is inserted between the rollers and arranged and moves along the guide pipe as the winding rod moves, Among the guide rollers, one set of guide rollers has two shaft pins arranged at a predetermined interval in the direction along the moving direction between a pair of two frame members facing each other. Another pair of guide rollers, each of which is composed of a substantially cylindrical roller member rotatably supported, is arranged between the frame members so as to substantially face each axial pin that supports the substantially cylindrical roller member. It is characterized in that each of the two axial pins provided is composed of a substantially conical roller member that is supported rotatably with a pair of two facing each other with their top sides facing each other.

Further, in order to wind and rewind the vinyl sheet forming the side wall of the greenhouse of the present invention, the vinyl sheet has a bearing member for rotatably supporting the winding rod fixed to the edge of the vinyl sheet, and The guide rod is provided with two sets of guide rollers arranged at a predetermined interval in a direction substantially orthogonal to the moving direction of the taking rod, and a guide pipe erected near the side wall of the greenhouse is provided between the two sets of guide rollers. In a guide member for a vinyl sheet opening / closing device of a greenhouse which is inserted and arranged and moves along a guide pipe as the winding rod moves, one set of the guide rollers among the above-mentioned guide rollers is arranged facing each other. Between the pair of two frame members provided, it is composed of a substantially cylindrical roller member rotatably supported by two shaft pins arranged at a predetermined interval in the direction of movement, other One set of guide rollers is a set of two pairs so that the ends near the shaft pins supporting the substantially cylindrical roller member have a wide interval and the other end side has a small interval. It is characterized in that it is composed of four roller members rotatably supported by two sets of shaft pins arranged at predetermined intervals in the direction along.

[0009]

【Example】

 Hereinafter, a guide member for a vinyl sheet opening / closing device of a greenhouse according to the present invention will be described in more detail with reference to an embodiment shown in the drawings. 1 to 4 show a guide member 1 according to an embodiment of the present invention, which includes frame members 2 and 3, first and second roller members 10 and 11 forming a set of guide rollers, and another one. The third and fourth roller members 12 and 13 and the fifth and sixth roller members 14 and 15 which constitute a set of guide rollers are provided.

The frame members 2 and 3 are formed, for example, in a substantially rectangular shape, and are arranged so as to face each other at a predetermined interval. Further, a bearing member 4 that rotatably supports the rotary drive shaft 33 that is connected to the winding rod 32 is provided near the one side ends 2a and 3a of the frame members 2 and 3. A handle 18 for rotating the rotary drive shaft 33 is attached to one end of the rotary drive shaft 33 inserted through the bearing member 4. Further, between the frame members 2 and 3, first, in the vicinity of the bearing member 4 and slightly near the other end portions 2b and 3b of the frame members 2 and 3, the guide member 1 is provided. The first and second shaft pins 5 and 6 are arranged so as to extend substantially in parallel with each other at a predetermined interval in the direction along the moving direction (that is, the longitudinal direction of the guide pipe 17). Further, with respect to each of the first and second shaft pins 5 and 6, there is a predetermined interval in a direction substantially orthogonal to the moving direction of the guide member 1, that is, the other end of the frame members 2 and 3. Near the portions 2b and 3b, third and fourth shaft pins 7 and 8 are arranged at predetermined intervals in the direction along the moving direction of the guide member 1.

The first and second roller members 10 and 11 forming a pair of guide rollers are formed in a substantially cylindrical shape, and are rotatably supported by the first and second shaft pins 5 and 6 described above. It The third, fourth roller members 12, 13 and the fifth, sixth roller members 14, 15 constituting the other set of guide rollers are each formed in a substantially conical shape (substantially abacus ball shape). There is. The tops 12a and 13a or 14a and 15a are made to face each other so that the third and fourth roller members 12 and 13 are connected to the third shaft pin 7, and the fifth and sixth roller members 14 and 15 are connected to the fourth. The shaft pins 8 are rotatably supported in pairs of two pairs.

As shown in FIG. 4, the guide member 1 of the present embodiment having the above-mentioned structure is located near one end of the winding rod 32 wound around the lower end edge of the vinyl sheet 31 of the greenhouse. The first and second roller members 10 and 11 forming a set of guide rollers and another set of guide rollers are formed on a cylindrical guide pipe 17 whose lower end is embedded in the ground and erected. The third and fourth roller members 12 and 13 and the fifth and sixth roller members 14 and 15 are arranged so as to be inserted through a gap (see FIGS. 1 to 3). Further, the rotary drive shaft 33 inserted into the bearing member 4 of the guide member 1 is arranged so as to be connected to the one end portion 32a of the winding rod 32.

Then, when the handle 18 is rotated in the direction of arrow x, the winding rod 32 winds up the side wall of the vinyl sheet 31, and the guide member 1 moves upward along the guide pipe 17 accordingly. In the guide member 1 of this embodiment, the third and fourth roller members 12 and 13 and the fourth and fifth roller members 14 and 15 are formed in a substantially conical shape, and two guide members 1 are arranged as a set. ing. Therefore, in the third and fourth roller members 12, 13 and the fifth and sixth roller members 14, 15, respectively, the tapered surfaces 12b, 13b and 14b, 15b respectively guide the guide pipe 17 from both sides. Abut and pinch. Therefore, for example, even if the other end portion 32b of the winding rod 32 delays winding and lateral twist acts on the guide member 1 and the rotary drive shaft 33 and the frame members 2 and 3 are inclined, the guide pipe 17 is Since the tapered surfaces 12b, 13b and 14b, 15b are contacted and regulated, the upper or lower edges of the frame members 2, 3 do not contact the guide pipe 17.

5 to 7 show a guide member 20 according to another embodiment of the present invention. In this guide member 20, the first and second roller members 21 and 22 forming a set of guide rollers are formed in a substantially cylindrical shape, as in the above-described embodiment. The frame members 23, 24 are supported by the first and second shaft pins 25, 26 arranged substantially parallel to one end portions 23a, 24a of the frame members 23, 24, respectively.

The third, fourth roller members 27, 28 and the fifth, sixth roller members 29, 30 constituting another set of guide rollers are formed in a substantially cylindrical shape, and each pair comprises two pairs. It is arranged as a set. Specifically, make notches with a predetermined length from both the upper edge and the lower edge of the facing frame members 23, 24, and bend the parts near the other end edges 23b, 24b inward with the notches sandwiched. , Bend outwardly the portions near the one end edges 23a, 24a. The shaft pins 23e, 23f, 24e, 24f are arranged so as to extend between the inner pieces 23c, 24c bent inward and the outer pieces 23d, 24d bent outward. Then, the third to sixth roller members 27, 28, 29, 30 are arranged on the shaft pins 23e, 23f, 24e, 24f. Therefore, the third roller member 27 and the fourth roller member 28 which substantially face each other near the upper edges of the frame members 23 and 24, and the fifth roller member 29 which substantially face each other near the lower edges of the frame members 23 and 24. The sixth roller member 30 and the sixth roller member 30, respectively, have a wide gap between the ends of the frame members 23 and 24 near the one end 23a, 24a and a narrow gap between the ends of the frame members 23, 24 near the other end 23b, 24b. Will be arranged as follows. The rest of the configuration is similar to that of the above-described embodiment.

The guide member 20 of the present embodiment is arranged by inserting the guide pipe 17 between one set of guide rollers and another set of guide rollers, as in the above-described embodiments. With respect to the guide pipe 17, the third and fourth roller members 27 and 28, and the fifth and sixth roller members 29 and 30 respectively contact the guide pipe 17 so as to sandwich the guide pipe 17 from both sides, and The third to sixth roller members 27 to 30 are fixed to the inner pieces 23c and 24c and the outer pieces 23d and 24d provided by cutting the frame members 23 and 24 from the upper edge or the lower edge. The shaft pins 23e, 23f, 24e, 24f are supported. Therefore, even if one end of the take-up rod 32 is delayed and the guide member 20 is inclined due to the lateral twist, the guide pipe 17 is in contact with the third to sixth roller members 27 to 30, Similar to the above embodiment, the frame members 23 and 24 and the guide pipe 17 do not come into contact with each other or bite.

[0017]

[Effect of the device]

 INDUSTRIAL APPLICABILITY The guide member for a vinyl sheet opening / closing device of a greenhouse according to the present invention can prevent the occurrence of biting on the guide vipe even when lateral twist occurs due to a delay in winding the vinyl sheet.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a guide member for a vinyl sheet opening / closing device of a greenhouse according to the present invention.

FIG. 2 is a side view of the same embodiment.

FIG. 3 is a front view of the same embodiment.

FIG. 4 is a perspective view showing a state in which the guide member of the embodiment is inserted into a guide pipe and connected to a winding rod.

FIG. 5 is a plan view showing another embodiment of a guide member for a vinyl sheet opening / closing device of a greenhouse according to the present invention.

FIG. 6 is a side view of the same embodiment.

FIG. 7 is a front view of the same embodiment.

[Explanation of symbols]

 1 Guide Member 2 Frame Member 3 Frame Member 4 Bearing Member 10 First Roller Member 11 Second Roller Member 12 Third Roller Member 13 Fourth Roller Member 14 Fifth Roller Member 15 Sixth Roller Member 17 Guide Pipe 18 Handle 20 Guide member 21 First roller member 22 Second roller member 23 Frame member 24 Frame member 27 Third roller member 28 Fourth roller member 29 Fifth roller member 30 Sixth roller member 31 Greenhouse 32 winding rod 33 rotary drive shaft

Claims (2)

[Scope of utility model registration request] 1. A bearing member for rotatably supporting a winding rod fixed to an edge of the vinyl sheet for winding and unwinding the vinyl sheet forming the side wall of the greenhouse, and the winding rod. A pair of guide rollers arranged at a predetermined interval in a direction substantially orthogonal to the moving direction,
A guide for a vinyl sheet opening / closing device for a greenhouse, in which a guide pipe standing upright near the side wall of the greenhouse is inserted between the two sets of guide rollers and is moved along the guide pipe as the winding rod moves. In the member, a pair of guide rollers of the guide rollers are arranged between two pairs of frame members facing each other, and two shaft pins are arranged at a predetermined interval in a direction along the moving direction. Each of which is rotatably supported by a substantially cylindrical roller member, and another set of guide rollers substantially opposes each axial pin that supports the substantially cylindrical roller member. A greenhouse comprising a substantially conical roller member rotatably supported with two pairs of two shaft pins arranged in between, with two pairs facing each other. Vinyl Guide member for door opening and closing device. 2. A winding member, which has a bearing member for rotatably supporting a winding rod fixed to an edge of the vinyl sheet for winding and unwinding the vinyl sheet forming the side wall of the greenhouse, A pair of guide rollers arranged at a predetermined interval in a direction substantially orthogonal to the moving direction,
A guide for a vinyl sheet opening / closing device for a greenhouse, in which a guide pipe standing upright near the side wall of the greenhouse is inserted between the two sets of guide rollers and is moved along the guide pipe as the winding rod moves. In the member, a pair of guide rollers of the guide rollers are arranged between two pairs of frame members facing each other, and two shaft pins are arranged at a predetermined interval in a direction along the moving direction. And a pair of guide rollers that are rotatably supported by a pair of guide rollers. Set a pair of two so that the space on the side becomes narrower,
A guide for a vinyl sheet opening / closing device for a greenhouse, comprising four roller members rotatably supported by two sets of shaft pins arranged at predetermined intervals in a direction along the moving direction. Element.