JP2008005777A - Supporting member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a supporting member enabling construction of a farming hot house having no need of permanent installation of a pump and excellent in warm retention. <P>SOLUTION: The supporting member 5 is set between inner and outer synthetic resin films 2a, 2b of a farming hot house (A) where the synthetic resin films 2a, 2b are superimposed on each other in its inner and outer directions between a plurality of portal supports 1, 1 arranged at every predetermined interval and extended with its outer peripheral part closed. The supporting member has a fixing part 5a with which the supporting member is fixed to the support 1, and a supporting part 5b supporting a spacer member 6 disposed between the inner and outer synthetic resin films 2a, 2b to form an air layer B. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a support member capable of forming an agricultural house having excellent heat retention.

  Conventionally, agricultural houses are used for cultivating crops. This agricultural house is formed by disposing a plurality of pillars formed in a gate shape at predetermined intervals and stretching a synthetic resin covering film between the pillars. In order to improve the heat-retaining property inside, it has been practiced to stretch the two coated films in a state of being overlapped.

  Then, by supplying air between the overlaid covering films using a pump, an air layer is formed between the two covering films, and by making this air layer a heat insulating layer, the heat retention of the agricultural house I was trying to improve.

  As a covering film for an agricultural house for forming such an agricultural house, Patent Document 1 discloses that at least both longitudinal ends of the air film forming film having a double structure are sealed by thermal welding or adhesion. A film for covering agricultural houses in the form has been proposed.

  However, in order to form an air layer inside the agricultural house covering film, it is necessary to supply air to the inside using a pump. It is necessary to dispose connecting pipes connecting the film and the film for covering the agricultural house, which has a problem that the piping work is troublesome and the cost required for forming the agricultural house is increased.

JP 2004-141017 A

  The present invention provides a support member that can form an agricultural house that does not require a permanent installation of a pump and has excellent heat retention.

  The support member of the present invention is stretched between a plurality of gate-shaped columns arranged at predetermined intervals, with a synthetic resin film superimposed in the inner and outer directions and the outer peripheral portion closed. A support member disposed and used between the inner and outer synthetic resin films of an agricultural house, wherein the support member is fixed between the inner and outer synthetic resin films and a fixing portion for fixing the support member to the support column. And a support portion for supporting a spacer member for forming the layer.

  Further, in the above support member, the fixing portion is configured to be detachably fixed in a groove portion of a fixing member integrally provided between the columns.

  In the support member, the support member is formed by bending one wire, and is formed from a planar U-shaped bottom portion that is detachably fitted on the inner bottom surface of the groove portion of the fixing member, and both ends of the bottom portion. A fixed portion comprising a both-side fixed arm portion that extends upward and is detachably fitted in a state where it is elastically pressed against the inner surfaces of both side walls of the groove portion of the fixing member, and is extended to the both-side fixed arm portion. And a support portion including both side support arm portions for supporting the spacer member.

  Further, in the above support member, the both side support arm portions are bent and formed in a square shape in the direction in which the central portions are separated from each other.

  Further, the support member is configured such that the spacer member is received by the lower half portion of the both-side support arm portion.

  In the above support member, the support member is formed by bending a single plate-like body, and extends from the upper end edge of the fixing portion that is detachably fitted in the groove portion of the fixing member. And a support portion on both sides for supporting the spacer member.

  Further, in the above support member, the upper end portions of the both side support portions are bent in a convex arc shape in a direction opposite to each other to form a sandwiching portion of the spacer member, and the spacer member is provided in the lower half portion of the both side support portions. It is configured to be received.

  The support member of the present invention is stretched in a state where two synthetic resin films are overlapped in the inner and outer directions and the outer peripheral portion is closed between a plurality of gate-shaped columns arranged at predetermined intervals. A support member made of an elastic material that is used between the inner and outer synthetic resin films of an agricultural house, and a fixing portion for fixing the support member to the support column, and an integral with the fixing portion And a spacer portion that is formed between the inner and outer synthetic resin films to form an air layer.

  Further, in the above support member, the fixing portion is configured to be detachably fixed in a groove portion of a fixing member integrally provided between the columns.

  And in the said support member, the support member is formed in elongate shape, It is characterized by the above-mentioned.

  The support member of the present invention is stretched between a plurality of gate-shaped columns arranged at predetermined intervals, with a synthetic resin film superimposed in the inner and outer directions and the outer peripheral portion closed. A support member disposed and used between the inner and outer synthetic resin films of an agricultural house, wherein the support member is fixed between the inner and outer synthetic resin films and a fixing portion for fixing the support member to the support column. And a support portion for supporting the spacer member for forming the layer, so that the spacer member can be stably supported and an air layer can be reliably formed between the inner and outer synthetic resin films. An agricultural house with excellent properties can be formed.

  In the support member of the present invention, the support member is formed by bending a single wire, and has a planar U-shaped bottom portion detachably fitted on the inner bottom surface of the groove portion of the fixing member, and both of the bottom portions. A fixing portion comprising a both-side fixing arm portion extending upward from the tip and detachably fitted in a state where it is elastically pressed against the inner surfaces of both side walls of the groove portion of the fixing member; and extends to the both-side fixing arm portion. In the case where the support member is composed of both side support arm portions for supporting the spacer member, the both side fixed arm portions are pressed against the inner surfaces of both side wall portions of the groove portion of the fixing member. The spacer member can be stably supported by being stably fixed to the groove portion of the fixing member. Therefore, the inner and outer synthetic resin films are reliably separated to form an air layer stably, and the heat insulation is highly agricultural. How It can be formed.

  Further, in the above support member, when the both side support arm portions are bent in a square shape in the direction in which the center portions are separated from each other, the both side support arm portions are elastically bent and stretched from the bent portion. Thus, the spacer member can be firmly held and the spacer member can be supported more stably.

  Further, in the above support member, when the spacer member is received by the lower half of the both side support arm portions, a ventilation portion may be formed between the lower end of the spacer member and the fixing member. The air held between the inner and outer synthetic resin films is circulated without being divided by the spacer member, and the temperature of a part of the air held between the inner and outer synthetic resin films becomes extremely high or low. The temperature of the air held between the inner and outer synthetic resin films can be averaged to further improve the heat retention of the agricultural house.

  Further, in the above support member, the support member is formed by bending a single plate-like body, and is extended from a fixing portion that is detachably fitted in a groove portion of the fixing member, and an upper end edge of the fixing portion. The spacer member can be stably supported by the both side support parts, and an air layer is surely formed between the inner and outer synthetic resin films for heat insulation. An excellent agricultural house can be formed.

  Further, in the above support member, the upper end portions of the both side support portions are bent in a convex arc shape in a direction opposite to each other to form a sandwiching portion of the spacer member, and the spacer member is provided in the lower half portion of the both side support portions. When configured to be received, a ventilation portion can be formed between the lower end of the spacer member and the fixing member, and the air held between the inner and outer synthetic resin films is divided by the spacer member. The temperature of some of the air held between the inner and outer synthetic resin films is prevented from becoming extremely high or low, and the temperature of the air held between the inner and outer synthetic resin films is averaged. Thus, the heat retention of the agricultural house can be further improved.

  Further, the support member of the present invention is stretched between a plurality of gate-shaped columns arranged at predetermined intervals in a state where the synthetic resin film is overlapped in the inner and outer directions and the outer peripheral portion is closed. A support member made of an elastic material disposed between the inner and outer synthetic resin films of the agricultural house, and a fixing portion for fixing the support member to the support column, and an integral part of the fixing portion. And a spacer portion that is interposed between the inner and outer synthetic resin films to form an air layer. Therefore, the inner and outer synthetic resin films can be formed simply by disposing the support member between the inner and outer synthetic resin films. An air layer can be stably formed between them, and an agricultural house excellent in heat retention can be formed.

  An example of the support member of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the agricultural house A has inner and outer synthetic resin films 2a and 2b between a plurality of portal-shaped columns 1, 1... Arranged at predetermined intervals. It is configured by stretching.

  The gate-shaped support pillars 1 of the agricultural house A are erected at predetermined intervals at predetermined intervals using general-purpose means such as embedding both ends of the agricultural house A in the ground. And the elongate groove member 31 provided with the cross-sectionally U-shaped groove part 31a makes the length direction correspond to the arrangement | positioning direction (length direction of the agricultural house A) of support | pillar 1,1 .... On the other hand, the pillars 1 are integrated between the pillars 1, 1... At predetermined intervals in the length direction of the pillars 1.

  Further, in each of the adjacent groove members 31, 31, a long fixing member 4 is erected and integrated between the support columns 1, 1,... In parallel with the groove member 31, as shown in FIG. As shown, the fixing member 4 is extended from both ends in the width direction of the bottom portion 41 having a constant width toward the upper side in a direction in which both side wall portions 42 and 42 are close to each other. Has a groove portion 4a having a substantially U-shaped cross section that is entirely open.

  And, a certain width that is slightly longer than the distance between the columns 1a, 1b located at both ends of the plurality of portal-shaped columns 1, 1,. The two long transparent flexible inner and outer synthetic resin films 2a and 2b are overlapped in the inner and outer directions and covered with the columns 1, 1,. In addition, the synthetic resin films 2a and 2b are inserted into the groove portions 31a of the groove members 31 so as to overlap each other, and then the wave-shaped fasteners 32 are detachable in the groove portions 31a of the groove members 31. The inner and outer synthetic resin films 2a, 2b are fixedly integrated with the columns 1, 1,. The inner and outer synthetic resin films 2a and 2b may be divided into a plurality of pieces in the width direction and connected and integrated in the groove portion 31a of the groove member 31.

  Further, both end portions in the length direction of the inner and outer synthetic resin films 2a and 2b are fixedly integrated with the support columns 1a and 1b in a known manner in a state of being overlapped with each other, and are opposed to the inner and outer synthetic resin films 2a and 2b. The outer peripheral parts to be closed are closed over the entire circumference. Note that a synthetic resin film is stretched in a well-known manner in each of the portion surrounded by the column 1a and the portion surrounded by the column 1b.

  The synthetic resin constituting the synthetic resin films 2a and 2b is not particularly limited, and examples thereof include low density polyethylene, medium density polyethylene, high density polyethylene, ethylene-α-olefin copolymer, and ethylene-vinyl acetate. Polyolefin resins such as polyethylene resins such as copolymers, propylene resins such as homopolypropylene, propylene-α-olefin copolymers, propylene-vinyl acetate copolymers; polyvinyl chloride resins; polyester resins; Examples include methyl methacrylate resins; polycarbonate resins, and the like. These may be used alone or in combination of two or more. Of these, the synthetic resin is preferably a polyolefin resin, more preferably a polyethylene resin, and particularly preferably an ethylene-α-olefin copolymer and an ethylene-vinyl acetate copolymer.

  A support member 5 is disposed in a space formed between the inner and outer synthetic resin films 2a and 2b, and the inner and outer synthetic resin films 2a and 2b are separated from each other by supporting the spacer member 6 on the support member 5. Thus, an air layer B is formed.

  As shown in FIGS. 4 and 5, the support member 5 is formed by bending one elastically deformable wire, and specifically, one wire is formed in a plane U shape at the center. A fixed portion 5a comprising a bottom portion 51 formed by bending in a bent direction and a pair of both-side fixed arm portions 52, 52 extending in an obliquely rearward direction upward from both ends of the bottom portion 51; From the support part 5b consisting of a pair of both-side support arm parts 53, 53 extending in the upper end of each of the fixed arm parts 52, 52 and bent in a square shape in a direction away from each other at the center part The both side support arm portions 53, 53 are formed on both side lower arm portions 53b, 53b extending from the upper ends of the both side fixed arm portions 52, 52 diagonally forward in the upward direction, The upper arm 53b, 53b is bent upward via the bent portion 53a, 53a. It consists of both upper side arm portions 53c and 53c extending obliquely rearward in a direction approaching each other. The width dimension of the bottom 51 matches the width dimension of the inner bottom surface of the groove 4a in the fixing member 4, and the upper ends of both side support arm parts 53, 53, that is, the upper ends of both side upper arm parts 53c, 53c. The part is bent and formed in a convex arc shape.

  Then, as shown in FIG. 3, the support member 5 is removably inserted into the groove portion 4a of the fixing member 4 through the inner synthetic resin film 2a, and the bottom portion 51 and both side fixing arm portions 52, 52 are inserted. The bottom 51 is disposed on the inner bottom surface of the groove 4 a of the fixing member 4, that is, on the bottom 41, and the both side fixing arm portions 52, 52 are arranged in pressure contact with the inner surfaces of the side walls 42, 42 of the fixing member 4. The supporting member 5 is stably and detachably fixed in the groove portion 4a of the fixing member 4 by the elastic force of the both-side fixing arm portions 52, 52.

  A plurality of support members 5 are detachably disposed and fixed at predetermined intervals in the length direction of the grooves 4a of the fixing member 4 (see FIG. 6), and the support members 5, 5 adjacent to each other are fixed. The supporting members 5, 5... Are arranged at such an interval that the inner synthetic resin film 2a between them can be maintained stably inserted into the groove 4a of the fixing member 4.

  Further, the both side support arm portions 53, 53 of the support member 5 protrude upward from the upper end edges of the both side wall portions 42, 42 of the fixing member 4. The spacer member 6 is supported on the surface.

  The spacer member 6 is not particularly limited as long as it can be supported by the support member 5 and can maintain the inner and outer synthetic resin films 2a and 2b separated from each other. Specifically, as shown in FIG. A long one having a vertically long cross section and a length substantially matching the distance between the columns 1a and 1b at both ends can be given.

  The spacer member 6 is inserted between the support arm portions 53 and 53 on both sides of the support member 5 from above and is elastically held between the support arm portions 53 and 53 from both sides, and the lower end is supported on the both support arm portions 53. 53, that is, in a state of being supported by the lower arm portions 53b and 53b of the both side support arm portions 53 and 53, in a standing state.

  As shown in FIGS. 6 and 7, a ventilation portion B1 is formed between the lower end of the spacer member 6 and the upper end edges of the side wall portions 42, 42 of the fixing member 4, and the air layer The air layer B on the opposite side of the spacer member 6 is circulated without being divided by the spacer member 6.

  As described above, since the air layer B is formed by separating the inner and outer synthetic resin films 2a and 2b from each other by the spacer member 6, a pump for supplying air between the inner and outer synthetic resin films 2a and 2b and for the same It is not necessary to provide piping, and the air layer B is always formed between the inner and outer synthetic resin films 2a and 2b, so that the heat retention of the agricultural house A can be stably maintained.

  In the above description, the case where the spacer member 6 is long and the spacer member 6 is disposed over the entire length of the groove 4a of the fixing member 4 has been described. However, the spacer member 6 is short. Alternatively, the spacer member 6 may be intermittently disposed on the groove 4 a of the fixing member 4.

  The spacer member 6 may be a foam or a non-foam, but a foam is preferable. The material of the spacer member 6 is not particularly limited, and polypropylene resins such as propylene homopolymer and propylene-α-olefin copolymer, low density polyethylene, medium density polyethylene, high density polyethylene, and linear low density polyethylene. , Polyolefin resins such as polyethylene resins such as linear medium density polyethylene, linear high density polyethylene, ethylene-α-olefin copolymer, ethylene-styrene copolymer, polystyrene resin, etc. -Styrene copolymers are preferred.

  Examples of the α-olefin constituting the propylene-α-olefin copolymer include, for example, ethylene, 1-butene, 1-pentene, 4-methyl-1-pentene, 1-hexene, 1-octene and 1-nonene. , 1-decene and the like. Examples of the α-olefin constituting the ethylene-α-olefin copolymer include propylene, 1-butene, 1-pentene, 4-methyl-1-pentene, 1-hexene, 1-octene and 1-nonene. , 1-decene and the like.

  Next, another example of the support member will be described. In addition, since the structure of the agricultural house A other than the said supporting member 5 is the same, the description is abbreviate | omitted. The support member 7 shown in FIG. 8 is formed by bending a single flat horizontally elongated plate-like body having a width that is slightly shorter than the distance between the upper ends of the side wall portions 42, 42 of the fixing member 4. Specifically, the bottom portion 71a having a flat rectangular shape having a width dimension that matches the width dimension of the inner bottom surface of the groove portion 4a in the fixing member 4, and in the direction of approaching each other upward from both ends in the width direction of the bottom portion 71a. A fixed portion 71 consisting of a pair of extended both-side folded portions 71b, 71b, and bent upward in a convex arc shape extending upward from the upper end of both-side folded portions 71b and away from each other in the central portion. A pair of both side support parts 72, 72, and the upper end parts of the both side support parts 72, 72 are bent in a convex arc shape in opposite directions to hold the spacer member 6 from both sides. , 72a.

  Then, as shown in FIG. 9, the support member 7 is fixed by detachably fitting the bottom 71a and both side folded portions 71b and 71b into the groove 4a of the fixing member 4 through the synthetic resin film 2a. Has been.

  Note that a plurality of support members 7 are arranged and fixed detachably at predetermined intervals in the length direction in the groove portion 4a of the fixing member 4 in the same manner as the support member 5 and are adjacent to each other. The supporting members 7, 7... Are arranged at such an interval that the portion of the synthetic resin film 2a between 7 and 7 can be maintained stably inserted into the groove 4a of the fixing member 4.

  Then, by inserting the spacer member 6 between the both side support portions 72, 72 of the support member 7, the spacer member 6 is sandwiched from both sides by the sandwiching portions 72a, 72a of the both side support portions 72 of the support member, and the lower ends are disposed on both sides. The spacer member 6 is stably supported in an upright state by being received by the lower half portions (proximal end portions) of the support portions 72 and 72.

  In this case as well, as shown above, a ventilation portion B1 is formed between the lower end of the spacer member 6 and the upper end edges of the side wall portions 42, 42 of the fixing member 4, as shown in FIG. The air layer B is configured to be able to circulate without the air layer B being divided by the spacer member 6 with the spacer member 6 interposed therebetween.

  In the support members 5 and 7, the case where the spacer member 6 is configured separately has been described, but the support member and the spacer member may be integrated. As shown in FIGS. 10 and 11, the support member 8 is made of an elastic material and is formed in a long shape having a length corresponding to the length of the groove portion 4 a of the fixing member 4. A fixed portion 81 having an isosceles trapezoidal cross section that matches the cross sectional shape of the groove portion 4a of the member 4 and a spacer portion 82 having a vertically long rectangular cross section extending upward from the upper end of the fixed portion 81. Can be mentioned. In addition, the support member 8 does not need to be long, and may be short.

  Further, as shown in FIG. 12, the upper end surfaces on both sides of the fixing portion 81 of the support member 8 are recessed in a concave arc shape, and hook-like projections 81a and 81a are provided projecting upward at both ends of the fixing portion 81. You may keep it. By providing the hook-shaped projections 81a, 81a in this way, the fixing portion 81 of the supporting member 8 can be attached in a state where the fixing portion 81 of the supporting member 8 is detachably fitted in the groove portion 4a of the fixing member 4. In addition, when a force in the pulling direction from the groove portion 4a of the fixing member 4 is applied, the hook-shaped protrusions 81a and 81a of the fixing portion 81 of the supporting member 8 resist the force in the pulling direction, and the fixing portion of the supporting member 8 is fixed. 81 can be prevented from being pulled out of the groove 4a of the fixing member, and the support member 8 can be stably disposed in the groove 4a of the fixing member 4.

  Since the support member 8 shown in FIGS. 10 to 12 is made of an elastic material and can be elastically deformed, the fixing member 81 of the support member 8 is disposed and fixed in the groove 4a of the fixing member 4. The fixing member 81 may be detachably fitted into the groove 4a of the fixing member 4 while pressing the fixing portion 81 of the support member 8 toward the groove 4a of the fixing member 4 and elastically deforming the fixing portion 81.

It is the perspective view which showed the agricultural house formed using the supporting member of this invention. It is the longitudinal cross-sectional view which showed the agricultural house formed using the supporting member of this invention. It is the perspective view which showed the use condition of the supporting member of this invention. It is the perspective view which showed the supporting member of this invention. It is a top view of the supporting member of FIG. It is the side view which showed the use condition of the supporting member of FIG. It is the front view which showed the use condition of the supporting member of FIG. It is the support member which showed another example of the support member of this invention. It is the front view which showed the use condition of the supporting member of FIG. It is the perspective view which showed another example of the supporting member of this invention. It is the front view which showed the use condition of the supporting member of FIG. It is the perspective view which showed another example of the supporting member of this invention.

Explanation of symbols

1, 1a, 1b Prop
2a Inner synthetic resin film
2b Outer synthetic resin film
31 Groove member
31a Groove 4 fixing member
41 Bottom
42 Wall
4a Groove 5 Support member
51 Bottom
52 Fixed arm
53 Support arm
53a Bend
5a Fixed part
5b Support part 6 Spacer member 7 Support member
71 Fixed part
72 Support
72a Holding part 8 Support member
81 Fixed part
81a Spider
82 Spacer A Agricultural house B Air layer
B1 Vent

Claims (10)

The above-mentioned synthesis of the agricultural house, in which a synthetic resin film is stretched between a plurality of gate-shaped support columns arranged at predetermined intervals and stretched in a state where the outer peripheral portion is closed. A support member disposed between the resin films and used, a fixing portion for fixing the support member to the support column, and a spacer disposed between the inner and outer synthetic resin films to form an air layer A support member having a support portion for supporting the member. The support member according to claim 1, wherein the fixing portion is configured to be detachably fixed in a groove portion of a fixing member that is integrally provided between the support columns. The support member is formed by bending a single wire, and extends upward from both ends of the flat U-shaped bottom portion that is detachably fitted onto the inner bottom surface of the groove portion of the fixing member. And a fixing portion comprising both side fixing arm portions that are detachably fitted in an inner surface of both side walls of the groove portion of the fixing member so as to be detachable, and for extending the both side fixing arm portions to support the spacer member. The support member according to claim 2, wherein the support member is formed of a support portion including both side support arm portions. The support member according to claim 3, wherein the both side support arm portions are bent and formed in a square shape in a direction in which the center portions thereof are separated from each other. The support member according to claim 4, wherein the support member is configured to receive the spacer member at a lower half portion of the both-side support arm portion. The support member is formed by bending a single plate-like body, and a fixing portion that is detachably fitted in the groove portion of the fixing member and a spacer member that extends from the upper end edge of the fixing portion to support the spacer member The support member according to claim 2, comprising: both side support portions. The upper end portions of the support portions on both sides are bent in a convex arc shape in a direction opposite to each other to form a sandwiching portion of the spacer member, and the lower half portion of the support portions on both sides is configured to receive the spacer member. The support member according to claim 6, wherein the support member is provided. The above-mentioned synthesis of the agricultural house, in which a synthetic resin film is stretched between a plurality of gate-shaped support columns arranged at predetermined intervals and stretched in a state where the outer peripheral portion is closed. A support member made of an elastic material disposed and used between resin films, and a fixing portion for fixing the support member to the support column, and the inner and outer synthetic resin films formed integrally with the fixing portion. A support member comprising a spacer portion interposed therebetween to form an air layer. The support member according to claim 8, wherein the fixing portion is configured to be detachably fixed in a groove portion of a fixing member that is integrally provided between the support columns. The support member according to claim 9, wherein the support member is formed in a long shape.

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