CN211982909U - Greenhouse is with rolling up membrane skylight structure - Google Patents

Abstract

The utility model provides a greenhouse is with rolling up membrane skylight structure, including skylight film, roll up membrane pole, electronic roll membrane ware, telescopic tube and mount, electronic roll membrane ware drives roll membrane pole and rotates rolling or launch skylight film, opens or close the skylight, and there is the mount of fixed beam at the top to install on greenhouse top support body, and the fixed beam is connected to telescopic tube one end, and electronic roll membrane ware is connected to the other end, and telescopic tube swings at greenhouse width direction. The utility model discloses a set up the mount outside greenhouse top support body, pass through the telescopic tube with electronic film rolling device and install on the mount, set up a plurality of mounts along greenhouse length direction on the top support body of single greenhouse, a plurality of electronic film rolling device of mountable have solved traditional greenhouse and can only respectively install this technical problem of electronic film rolling device at the gable. Additionally, the utility model discloses still be provided with a roll membrane filler rod for the one end that will roll up the membrane pole and install electronic roll membrane ware has been filled up, has prevented that electronic roll membrane ware from causing the damage to the fixed film at greenhouse top.

Description

Greenhouse is with rolling up membrane skylight structure

Technical Field

The utility model relates to a warmhouse booth technical field especially relates to a greenhouse is with rolling up membrane skylight structure.

Background

The greenhouse can realize the control of indoor temperature, humidity, carbon dioxide concentration and other environments, and is widely applied to the culture of crops, flowers, fruits, vegetables and the like. One of the key steps of the greenhouse in controlling its internal environment is relying on the opening or closing of the skylights in the roof of the greenhouse. The manual skylight opening or closing mode is gradually replaced by an electric film rolling mode due to large workload, poor rolling effect and the like. The electric film rolling mode is that an electric film rolling device is connected to one end of a film rolling rod, and the electric film rolling device rotates to drive the film rolling rod to rotate so as to roll the skylight film onto the film rolling rod. At present, an electric film winder is generally installed on the outside of the gable wall of a greenhouse as shown in fig. 1 and 2. According to experience in the industry, when a single electric film rolling device drives a film rolling rod with the length within 50 meters, the film rolling effect is good, and when the length of the film rolling rod exceeds 50 meters, skylight films at two ends of the film rolling rod are easily damaged. Influenced by this factor, the maximum length of an individual greenhouse does not normally exceed 100 meters. In order to increase the utilization of the plantable land, the area of the individual greenhouses needs to be increased, which requires increasing the length of the individual greenhouses. Therefore, after the length of the greenhouse is increased, how to reasonably open or close the skylight becomes a problem to be researched intensively in the field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be: how to reasonably open or close the skylight after the length of the greenhouse is increased.

In order to solve the technical problem, the utility model provides a film rolling skylight structure for a greenhouse, which comprises a skylight film, a film rolling rod and an electric film rolling device, wherein the length direction of the film rolling rod is set to be consistent with the length direction of the greenhouse, the side edges of the skylight film along the two opposite sides of the length direction of the greenhouse are respectively fixed on a top frame body of the greenhouse and the film rolling rod, the end part of the film rolling rod is connected with an output shaft of the electric film rolling device, the electric film rolling device controls the film rolling rod to rotate through the output shaft, the rotation of the film rolling rod drives the skylight film to open or close the skylight of the greenhouse, the film rolling skylight structure further comprises a telescopic sleeve and a fixed frame, the fixed frame is fixedly arranged on the top frame body of the greenhouse, the top of the fixed frame is provided with a fixed beam, one end of the telescopic sleeve is movably connected on the fixed beam, the other end of the telescopic pipe is fixedly connected with the electric film rolling device, and the telescopic pipe freely moves in the width direction of the greenhouse.

Preferably, the telescopic tube is movably connected to the fixed beam through a hinge assembly, the hinge assembly comprises a hinge seat and a movable connecting piece, the hinge seat comprises a fixed surface and an installation surface which are perpendicular to each other, the fixed surface is fixedly installed on the fixed beam, the installation surface is movably connected with the telescopic tube through the movable connecting piece, the plane of the installation surface is consistent with the width direction of the greenhouse, and the telescopic tube freely swings in the plane of the installation surface.

Preferably, the swing link comprises a bolt assembly and a chute sleeve, one end of the bolt assembly is fixedly connected to the mounting surface, the chute sleeve is sleeved on a bolt shank of the bolt assembly, the chute sleeve connects one end of the chute sleeve to a wall of the duct of the chute, the wall of the duct is provided with two opposite-set aperture diameters greater than the diameter of the chute sleeve, the chute sleeve passes through the two opposite-set chute holes to be movably connected to the chute shank.

Preferably, the telescopic tube is provided with an inverted installation part at one end of the electric film rolling device, and the electric film rolling device is installed on the telescopic tube through the inverted installation part.

Preferably, roll up membrane skylight structure still includes roll up membrane filler rod, roll up membrane filler rod pass through the filler rod support install in the greenhouse on the top support body, roll up membrane filler rod set up in roll up the membrane pole and connect the below of the one end of electronic film rolling device, roll up membrane rod and be in roll up on the membrane filler rod and rotate, highly being greater than of filler rod support electronic film rolling device is located roll up the length of membrane rod below.

Preferably, a film pressing clamp is arranged on the film rolling rod, and the skylight film is fixed on the film rolling rod by the film pressing clamp.

Preferably, the top frame body of the greenhouse is further provided with a film pressing line, the film pressing line crosses over the top frame body along the width direction of the greenhouse, and the film pressing line presses the film rolling rod.

The utility model discloses technical scheme's beneficial effect is:

the utility model discloses a set up the mount outside the top support body in greenhouse, pass through the telescopic tube with electronic film rolling device again and install on the mount, can set up a plurality of mounts along greenhouse length direction on the top support body in single greenhouse, install a plurality of electronic film rolling device to can install a plurality of film rolling rod, solved traditional greenhouse and can only respectively install an electronic film rolling rod at the gable, and then limited this technical problem of length in greenhouse. Additionally, the utility model discloses still install on the top support body in the greenhouse that lies in electronic film rolling device below and roll up the membrane filler rod for the one end that will roll up the membrane pole and install electronic film rolling device is filled up, has prevented effectively that electronic film rolling device from causing the damage to the fixed film at greenhouse top.

Drawings

FIG. 1 is a schematic view of a roll film skylight structure of a conventional greenhouse;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is a schematic view of a film rolling skylight structure in an embodiment of the present invention;

fig. 4 is an enlarged schematic view of the embodiment of the present invention at the position B in fig. 3;

fig. 5 is an enlarged schematic view of the embodiment of the present invention at the point C in fig. 4;

FIG. 6 is a schematic view of the electric film winder connected to the telescopic tube in the embodiment of the present invention;

fig. 7 is a schematic structural view of an inverted mounting member according to an embodiment of the present invention;

fig. 8 is a schematic structural view of the telescopic tube in the embodiment of the present invention;

FIG. 9 is a schematic view of the connection between the movable connecting member and the telescopic tube in the embodiment of the present invention;

FIG. 10 is a schematic view of the installation of the movable connecting piece and the fixed beam when the axial direction of the fixed beam is the same as the length direction of the greenhouse in the embodiment of the present invention;

FIG. 11 is a schematic view of the installation of the movable connecting piece and the fixed beam when the axial direction of the fixed beam is the same as the width direction of the greenhouse in the embodiment of the present invention;

fig. 12 is an overall schematic view of the film winding rod according to the embodiment of the present invention.

Wherein, 1-greenhouse; 2-skylight film; 3-rolling the membrane rod; 4-electric film rolling device; 5-telescoping tubes; 6, fixing a frame; 7-a hinge assembly; 8-rolling the membrane pad rod; 11-top frame body; 12-a skylight; 13-fixing the membrane; 14-sunshade frame body; 31-lamination card; 41-an output shaft; 42-inverted mount; 51-inner cannula; 52-outer sleeve; 53-through cannula holes; 61-a fixed beam; 71-hinge mount; 72-a movable connection; 81-a bolster support; 111-film pressing line; 121-a slot on the window; 122-lower window slot; 421-electric film rolling device mounting hole; 422-telescopic pipe mounting holes; 611-lower end face; 612-upper end face; 711-fixed surface; 712-a mounting surface; 721-bolt assembly; 722-through the cannula; 7211-screw cap; 7212-a bolt shank; 7213-nut.

The specific implementation mode is as follows:

the present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Please refer to fig. 3, fig. 4 and fig. 5, which illustrate a film rolling skylight structure for a greenhouse according to an embodiment of the present invention, including a skylight film 2, a film rolling rod 3 and an electric film rolling device 4, wherein the length direction of the film rolling rod 3 is consistent with the length direction of the greenhouse 1, two opposite sides of the skylight film 2, which are consistent with the length direction of the greenhouse 1, are respectively fixed on the top frame body 11 of the greenhouse 1 and the film rolling rod 3 through a film pressing clamp 31, the other two opposite sides of the skylight film 2 are free sides, which are not fixed on any mechanism, the widths of the two free sides of the skylight film 2 are the same as or slightly wider than the width of the skylight 12 of the greenhouse 1, so as to ensure that the skylight film 2 can completely cover the skylight 12. The top frame body 11 of the greenhouse 1 is of an arch structure, the skylight 12 is located on one side of the arch structure, and the height of the side edge, fixed on the top frame body 11, of the skylight film 2 is higher than the height of the side edge, fixed on the film rolling rod 3, of the skylight film 2. The film rolling rod 3 rotates to roll or unfold the skylight film 2, the skylight 12 is opened when the skylight film is rolled, and the skylight 12 is closed when the skylight film is unfolded. One end of the film rolling rod 3 is connected to an output shaft 41 of the electric film rolling device 4, when the electric film rolling device 4 works, the output shaft 41 rotates to drive the film rolling rod 3 to rotate, the film rolling rod 3 rotates to roll or unfold the skylight film 2, and then the skylight 12 is opened or closed. The greenhouse in this embodiment is with rolling up membrane skylight structure still includes telescopic tube 5 and mount 6, and electronic film ware 4 of rolling up is installed on mount 6 through telescopic tube 5, promptly, electronic film ware 4 of rolling up is installed to telescopic tube 5's one end, and the other end is mobilizable to be installed on mount 6. In this embodiment, the electric film winder 4 is mounted on one end of the telescopic tube 5 through the inverted mounting member 42, and the other end of the telescopic tube 5 is mounted on the fixed beam 61 of the fixed frame 6 through the hinge assembly 7. The inverted installation member 42 is provided with an electric film rolling device installation hole 421 and a telescopic tube installation hole 422, the electric film rolling device 4 is installed on the inverted installation member 42 through the electric film rolling device installation hole 421, and the inverted installation member 42 is installed at the end of the telescopic rod through the telescopic tube installation hole 422, as shown in fig. 6 and 7. The mode of inverting the installation of the electric film rolling device 4 can effectively prevent rainwater from entering the inside of the electric film rolling device 4. The fixing frame 6 in this embodiment may be an existing structure located outside the top frame 11 of the greenhouse 1, such as the sunshade frame 14, or may be a structure formed by independent installation.

In this embodiment, the fixed beam 61 of the fixed frame 6 is disposed on the top of the fixed frame 6, one end of the telescopic tube 5 is movably mounted on the fixed beam 61, and the other end of the telescopic tube is fixedly mounted with the electric film rolling device 4 by inverting the mounting member 42. The spatial relationship among the telescopic tube 5, the electric film rolling device 4, the fixed beam 61 and the top frame body 11 of the greenhouse 1 after the installation is that: the fixed beam 61, the telescopic tube 5, the electric film rolling device 4 and the top frame body 11, and the spatial position relationship can be seen in fig. 4. The telescopic tube 5 is formed by sleeving the inner tube 51 into the outer tube 52, as shown in fig. 8, the inner tube 51 extends into the outer tube 52, the overall length of the telescopic tube 5 is shortened, the inner tube 51 extends out of the outer tube 52, and the overall length of the telescopic tube 5 is lengthened. In order to reduce friction and at the same time avoid wear of the outer sleeve 52 and the inner sleeve 51 due to friction, a lubricant may be applied to the inner wall of the outer sleeve 52 and the outer portion of the inner sleeve 51.

The working principle of the indoor film-rolling skylight structure in the embodiment is as follows: it should be noted that, in the present embodiment, the width direction of the roof window 12 coincides with the width direction of the greenhouse 1. The top frame body 11 of the greenhouse 1 is of an arch structure, the skylight 12 is located on one side of the arch structure, and the height of the side edge, fixed on the top frame body 11, of the skylight film 2 is higher than the height of the side edge, fixed on the film rolling rod 3, of the skylight film 2. The opening or closing of the skylight 12 of the greenhouse 1 is realized by rolling or unfolding the skylight film 2 through the film rolling rod 3, more specifically, the skylight film 2 is fixed on the side of the top frame body 11 of the greenhouse 1 and is not movable, and the side fixed on the film rolling rod 3 can rotate along with the rotation of the film rolling rod 3, that is, when the film rolling rod 3 rotates, the skylight film 2 is rolled or unfolded. When the skylight 12 in the closed state needs to be opened, the film rolling rod 3 rolls the skylight film 2, and under the tension action of the skylight film 2, the film rolling rod 3 moves towards the side edge of the skylight film 2 fixed by the top frame body 11, namely moves upwards, and at the moment, the skylight 12 is in the open state because of no coverage of the skylight film 2. When skylight 12 of open mode need be closed, electronic film rolling device 4 drives film rolling rod 3 and rotates, expandes skylight film 2, and at this moment, because the effect of gravity, electronic film rolling device 4 and film rolling rod 3 can follow the top support body 11 downstream of greenhouse 1, close skylight 12. Film rolling rod 3 is at the in-process of rolling and expansion skylight film 2, and film rolling rod 3 drives electronic film rolling device 4 and moves along greenhouse 1's top support body 11 all the time, and consequently, the distance between electronic film rolling device 4 and the fixed beam 61 is in the change state, and consequently this embodiment adopts the telescopic tube 5 that can extend or shorten as the device of being fixed in electronic film rolling device 4 in fixed beam 61.

The motor-driven film winder 4 used in this example, of type XXXX, is provided with a limit switch (prior art, not shown). Two length direction's limit with skylight 12 sets up to two spacing departments of electronic film rolling ware 4, is draw-in groove 121 and window lower clamping groove 122 on the window respectively, and when day window 12 was in when closing, film rolling rod 3 and electronic film rolling ware 4 were located draw-in groove 122 department under the window, and when day window 12 open mode, film rolling rod 3 and electronic film rolling ware 4 were located draw-in groove 121 department on the window. When skylight 12 of the closure state need be opened, limit switch opens, switch on, electronic film rolling device 4 rotates and drives film rolling rod 3 and with 2 rolling of skylight films, because skylight films 2 fix the side on the top support body 11 of greenhouse 1 immovably, when film rolling rod 3 rolling skylight films 2, can drive electronic film rolling device 4 and move to the position of draw-in groove 121 on the window, when film rolling rod 3 and electronic film rolling device 4 move draw-in groove 121 department on the window, limit switch off-power, electronic film rolling device 4 stop work, at this moment, skylight 12 is in the opening state. Similarly, when the skylight 12 in the open state needs to be closed, the limit switch is turned on, the power is turned on, the film rolling rod 3 drives the electric film rolling device 4 to move to the position of the lower clamping groove 122 of the window under the action of gravity when the skylight film 2 is unfolded, and when the position of the lower clamping groove 122 of the window is moved, the limit switch is turned off, and the electric film rolling device 4 stops working.

The film rolling skylight structure in the present embodiment is different from the conventional film rolling skylight in that the electric film rolling device 4 in the present embodiment is not installed outside the gable wall of the greenhouse 1, but is installed on the fixing frame 6 outside the top frame body 11 of the greenhouse 1 through the telescopic tube 5. As mentioned above, the fixing frame 6 in the present embodiment may be a structure formed by independent installation and specially provided outside the top frame 11 of the greenhouse 1 for installing the electric film rolling device 4, or may be other structures existing outside the top frame 11 of the greenhouse 1, such as the sunshade frame 14 and the like. In the background art, as for the traditional mode of installing the electric film rolling device 4 by installing the electric film rolling device 4 on the outside of the gable wall of the greenhouse 1, only two electric film rolling devices 4 can be installed on one greenhouse 1 at most, and each electric film rolling device 4 can only drive one film rolling rod 3, so that only two film rolling rods 3 can be installed on one greenhouse 1 to control the opening or closing of the skylight 12, and according to the experience in the industry, the length of a single greenhouse 1 is 100m at most, and the installation mode greatly limits the length of the single greenhouse 1. And the utility model discloses install electronic film ware 4 on the mount 6 of the outside of the top support body 11 of greenhouse 1 through telescopic tube 5, when greenhouse 1 length is longer, through the length direction along greenhouse 1 set up more several mounts 6 realize electronic film ware 4 the installation can, that is to say that the length of single greenhouse 1 can no longer receive the restriction of rolling up 3 quantity of membrane pole, after the length increase of single greenhouse 1, the corresponding increase of its area improves the utilization ratio that can cultivate the soil.

In this embodiment, the telescopic tube 5 is movably connected to a fixed beam 61 of the fixed frame 6 by a hinge assembly 7, as shown in fig. 9. The hinge assembly 7 includes a hinge base 71 and a movable connector 72, wherein the hinge base 71 is provided as a mounting face 712 and a fixing face 711 perpendicular to each other, and the movable connector 72 includes a bolt assembly 721 and a bushing 722. The fixing surface 711 of the hinge seat 71 is provided with a fixing hole (not shown), and the fixing surface 711 of the hinge seat 71 is fixedly mounted on the lower end surface 611 of the fixing beam 61 by using a universal standard fastener, as shown in fig. 10, when mounting, the direction of the mounting surface 712 needs to be adjusted so that the plane of the mounting surface 712 coincides with the width direction of the skylight 12, because as described in detail above, the film winding rod 3 drives the telescopic tube 5 to move in the width direction of the skylight 12 through the electric film winder 4 during the process of winding or unwinding the skylight film 2, and the connection manner of the telescopic tube 5 and the mounting surface 712 in the embodiment determines that the telescopic tube 5 needs to swing in the plane of the mounting surface 712, so that the plane of the mounting surface 712 needs to be adjusted to coincide with the width direction of the skylight 12. If the axial direction of the fixed beam 61 is the same as the width direction of the skylight 12, the fixed surface 711 of the hinge seat 71 can also be mounted on the upper end surface 612 of the fixed beam 61, as shown in fig. 11, and at this time, the mounting surface 712 perpendicular to the fixed surface 711 is closely attached to the side surface of the fixed beam 61 perpendicular to the upper end surface 612.

In the present embodiment, the articulation link 72 of the hinge assembly 7 includes a bolt assembly 721 and a bushing 722. Mounting holes (not shown) are opened on the mounting surface 712 of the hinge assembly 7, and the diameter of the mounting holes is larger than the diameter of the bolt rod 7212, smaller than the diameter of the nut 7211, and smaller than the caliber of the bushing 722. The bolt shaft 7212 of the bolt assembly 721 is passed through the mounting holes to fit the bushing 722 over the bolt shaft 7212, and the nut 7213 is then installed over the bolt shaft 7212, and tightening of the nut 7213 secures the entire bolt assembly 721 and the bushing 722 to the mounting surface 712. The wall of the tube at the end of the mounting surface 712 where the telescoping sleeve 5 is mounted is perforated with two opposing sleeve holes 53, the diameter of the sleeve holes 53 being greater than the diameter of the sleeve 722. Upon installation of the telescoping sleeve 5, the sleeve 722 will pass through two oppositely disposed sleeve holes 53. It should be noted that, in the present embodiment, it is necessary to select a bolt assembly 721 and a bushing 722 with appropriate dimensions according to the tube diameter of the telescopic tube 5, and the dimensional relationship of the three is: the telescoping sleeve 5 has a tube diameter less than the length of the telescoping sleeve 722, the length of the telescoping sleeve 722 being less than the length of the bolt shaft 7212, only in such dimensional relationships does the bolt assembly 721 secure the telescoping sleeve 722 against the bolt assembly 721, the telescoping sleeve 5 freely swinging against the plane of the mounting surface 712.

In this embodiment, a film rolling pad bar 8 is further installed on the top frame body 11 of the greenhouse 1 at one end of the film rolling bar 3 where the electric film rolling device 4 is installed. The film rolling rod 3 rotates on the film rolling pad rod 8 when rolling or unfolding the skylight film 2. Generally, a fixed film 13 is laid around the skylight 12, and the purpose of installing the film rolling backing rod 8 is to avoid damage to the fixed film caused by the electric film rolling device 4 during moving. Because the output shaft 41 of the electric film rolling device 4 is not located at the bottom of the electric film rolling device, after the film rolling rod 3 is installed, part of the structure of the electric film rolling device 4 is located below the film rolling rod 3, if the film rolling rod 3 is tightly attached to the top frame body 11 of the greenhouse 1 to rotate, the fixed film 13 on the top of the greenhouse 1 can be damaged in the process of driving the electric film rolling device 4 to move. The film rolling rod gasket 8 is installed on the top frame body 11 of the greenhouse 1 through the rod gasket support 81 with a certain height, the determination of the height depends on the length of the electric film rolling device 4 positioned below the film rolling rod 3, the rod gasket support 81 with a proper height is selected according to the length of the electric film rolling device 4 positioned below the film rolling rod 3, and the film rolling rod 3 can be effectively prevented from being damaged to the fixed film 13 at the top of the greenhouse 1 in the process of driving the electric film rolling device 4 to move.

In this embodiment, still install film pressing line 111 on greenhouse 1's top support body 11, film pressing line 111 sets up along 1 width direction in greenhouse to film pressing line 111 strides whole greenhouse 1 top along 1 width direction in greenhouse, and roll up membrane pole 3 and be located the below of film pressing line 111, and film pressing line 111 has certain pressure to roll up membrane pole 3. The number of the film pressing lines 111 can be set according to requirements, for example, in areas with high wind, more film pressing lines 111 can be properly arranged to prevent the fixed film 13 and the skylight film 2 on the top of the greenhouse 1 from being damaged by wind, and in areas with low wind, less film pressing lines 111 can be properly arranged. The film pressing line 111 in this embodiment can also function to increase the sealing of the roof hatch 12 of the greenhouse 1. Because the one end of the electronic film ware 4 of rolling up of installation of roll membrane pole 3 is cushioned by roll membrane filler rod 8, and produced certain distance between the top support body 11 of greenhouse 1, and then made the gap between skylight film 2 and the skylight 12, the leakproofness to greenhouse 1 top has certain influence, and set up after pressing the membrane line 111, because pressing the membrane line 111 to roll up membrane pole 3 has certain pressure, roll membrane pole 3 can be out of shape to the top support body 11 direction of greenhouse 1 under the pressure effect of self gravity and pressing the membrane line 111, as shown in fig. 12, what the result of deformation is that roll membrane pole 3 is more close to top support body 11, the distance between roll membrane pole 3 and the top support body 11 has been reduced, and then reduce the gap between skylight film 2 and the skylight 12.

To sum up, the utility model discloses a set up the mount outside the top support body in greenhouse, pass through the telescopic tube with electronic film rolling device again and install on the mount, can set up a plurality of mounts along greenhouse length direction on the top support body in single greenhouse, install a plurality of electronic film rolling device to can install a plurality of film rolling rod, solved traditional greenhouse and can only respectively install an electronic film rolling rod at the gable, and then restricted this technical problem of length in greenhouse. Additionally, the utility model discloses still install on the top support body in the greenhouse that lies in electronic film rolling device below and roll up the membrane filler rod for the one end that will roll up the membrane pole and install electronic film rolling device is filled up, has prevented effectively that electronic film rolling device from causing the damage to the fixed film at greenhouse top.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims (7)

1. A film rolling skylight structure for a greenhouse comprises a skylight film, a film rolling rod and an electric film rolling device, wherein the length direction of the film rolling rod is consistent with the length direction of the greenhouse, the side edges of the skylight film along the two opposite sides of the length direction of the greenhouse are respectively fixed on a top frame body of the greenhouse and the film rolling rod, one end of the film rolling rod is connected with an output shaft of the electric film rolling device, the electric film rolling device controls the film rolling rod to rotate through the output shaft, the rotation of the film rolling rod drives the skylight film to open or close the skylight of the greenhouse, the film rolling skylight structure is characterized by further comprising a telescopic sleeve and a fixing frame, the fixing frame is fixedly arranged on the top frame body of the greenhouse, a fixing beam is arranged at the top of the fixing frame, and one end of the telescopic sleeve is movably connected to the fixing beam, the other end of the telescopic pipe is fixedly connected with the electric film rolling device, and the telescopic pipe freely moves in the width direction of the greenhouse.

2. The film rolling skylight structure for greenhouses according to claim 1, wherein said telescoping tubes are movably connected to said fixed beam by a hinge assembly, said hinge assembly comprises a hinge base and a movable connecting piece, said hinge base comprises a fixed surface and a mounting surface which are perpendicular to each other, said fixed surface is fixedly mounted on said fixed beam, said mounting surface is movably connected with said telescoping tubes by said movable connecting piece, the plane of said mounting surface is consistent with the width direction of said greenhouse, and said telescoping tubes freely swing in the plane of said mounting surface.

3. The film-rolling skylight structure for greenhouses of claim 2, wherein said movable connection comprises a bolt assembly and a canula, one end of said bolt assembly is fixedly connected to said mounting surface, said canula is canula over a bolt shaft of said bolt assembly, a canula wall connecting one end of said hinge assembly is perforated with two canula holes of opposite aperture greater than the diameter of the canula, said canula passes through the two opposite canula holes to connect said canula movably to said bolt shaft.

4. The film rolling skylight structure for the greenhouse as claimed in claim 1, wherein the end of the telescopic tube where the electric film rolling device is installed with an inverted installation member, and the electric film rolling device is installed on the telescopic tube through the inverted installation member.

5. The film rolling skylight structure for the greenhouse of claim 1, further comprising a film rolling filler rod, wherein the film rolling filler rod is mounted on the top frame body of the greenhouse through a filler rod support, the film rolling filler rod is arranged below one end of the film rolling rod connected with the electric film rolling device, the film rolling rod rotates on the film rolling filler rod, and the height of the filler rod support is greater than the length of the electric film rolling device below the film rolling rod.

6. A film rolling skylight structure for a greenhouse as claimed in claim 1, wherein said film rolling rod is provided with a film pressing clip, said film pressing clip fixes said skylight film on said film rolling rod.

7. A film rolling skylight structure for a greenhouse as claimed in claim 1, wherein said top frame of said greenhouse is further provided with a film pressing line, said film pressing line crosses said top frame in the width direction of said greenhouse, said film pressing line presses on said film rolling rod.

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