Greenhouse external sunshade device

Abstract

The utility model relates to the technical field of engineering construction, in particular to a greenhouse external sunshade device which comprises a fixed frame structure formed by connecting a plurality of external sunshade stand columns, a plurality of cross beams and a plurality of longitudinal beams. The motor is located on the device middle stand column; the first driving rod is parallel to the cross beam and is in driving connection with the motor, and the first driving rod is connected with the first driving rod extension section through a first connecting piece; one end of the top of the connecting seat of the first connecting piece is connected to the bottom of the cross beam, and a gear is arranged at the lower part of the connecting seat of the first connecting piece; the push rod is parallel to the longitudinal beam and penetrates through a gap between the rolling wheel and the gear, and a rack is arranged at the bottom of the push rod and matched with the gear of the connecting seat; and the plurality of movable curtain rods are vertically connected with the extension section of the push rod. The utility model has the advantages that the effective transmission of driving force is realized through a plurality of connecting pieces and connecting rods, and the movement of the curtain on the frame can be realized only by one driving motor.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering construction, in particular to an external sunshade device for a greenhouse. Background Art

[0002] When there is no shelter in the outdoor venue, it is easy for the soil to heat up and lose water under the sun in summer, and it is easy for the soil to lose its heat preservation capacity and condense ice crystals at low temperatures in winter due to low-temperature evaporation. The traditional insulation structure includes a fixed frame composed of horizontal bars and vertical bars and a sunshade curtain covering the fixed frame. However, the sunshade curtain in the existing technology cannot be moved and cannot be opened and closed freely. Some technical problems will be encountered in actual use. For example, the sunshade curtain cannot be removed when it snows, and the snow continues to accumulate on the fixed frame, eventually causing the frame to collapse; for example, when the surface plants need a lot of sunlight, the sunshade curtain is fixed and cannot be evacuated, blocking part of the sunlight and reducing the growth efficiency of the plants. There are many other problems like this. It is now urgent to design a greenhouse external sunshade device that can realize the free movement of the sunshade curtain and adjust the sunlight blocking rate. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a greenhouse external sunshade device for realizing free movement of the sunshade curtain on a fixed frame, thereby realizing free adjustment of the sunshade rate.

[0004] In order to achieve the above-mentioned purpose, a greenhouse external sunshade device is designed, including a plurality of external sunshade columns, a plurality of cross beams and a plurality of longitudinal beams. The external sunshade columns, cross beams and longitudinal beams are connected to form a fixed frame structure, and also include a motor, the motor is connected to the external sunshade column located in the middle of the device, a first drive rod, the first drive rod is arranged parallel to the cross beam, and is connected to the motor drive, a plurality of first drive rod extension sections are arranged at both ends of the first drive rod, the first drive rod is connected to the first drive rod extension section and two adjacent first drive rod extension sections by a plurality of first connecting members, and the first connecting member includes a connecting seat One end of the top of the connecting seat is connected to the bottom of the beam located in the middle of the device, a gear is provided at the bottom of the connecting seat, and the groove keys on both sides of the gear are matched to connect the first driving rod and one end of the first driving rod extension section or one end of two adjacent first driving rod extension sections. A rolling wheel is also provided on the top of the connecting seat; a plurality of push rods pass through the connecting seat of the first connecting member and are arranged parallel to the longitudinal beam. The push rod passes through the gap between the rolling wheel and the gear, and a rack is provided at the bottom of the push rod to cooperate with the connecting seat gear; a push rod extension section connected to both ends of the push rod; and a plurality of moving curtain rods vertically connected to the plurality of push rod extension sections.

[0005] Preferably, the transverse beam and the longitudinal beam of the utility model are staggered up and down and connected to the outer sunshade columns, and the longitudinal beam is located below the transverse beam.

[0006] Preferably, the motor of the utility model drives the first drive rod to rotate, and the slot key of the first drive rod cooperates with the gear of the first connecting member, thereby driving the gear and the extension section of the first drive rod to rotate synchronously.

[0007] Preferably, the push rod extension section of the utility model is supported by a plurality of second connecting members arranged at the bottom of the beam, the second connecting member includes a second connecting seat with a through groove in the middle, the top of the second connecting seat is used to connect to the beam, and the bottom of the second connecting seat is connected to the second roller through a rotating shaft.

[0008] Preferably, the push rod extension section of the utility model is connected to a plurality of movable curtain rods via a third connecting member, one end of the third connecting member is provided with a connecting head for passing through the push rod extension section, one side of the connecting head is provided with a screw for adjusting the progress, and the other end of the third connecting member is provided with a clamp for clamping the movable curtain rod.

[0009] Preferably, the movable curtain rod of the utility model is located above the longitudinal beam, and the longitudinal beam is used to support the movable curtain rod.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] The utility model enables the masking curtain to move freely on the frame by arranging multiple driving rods, pushing rods and moving curtain rods, and the utility model realizes effective transmission of driving force by designing multiple connecting parts, and only one driving motor is needed to realize the movement of the entire curtain on the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 , is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 , is a three-dimensional diagram of the fixed frame structure of the utility model;

[0014] Figure 3 , is a three-dimensional diagram of the local structure of the utility model;

[0015] Figure 4 , is a three-dimensional diagram of the first connecting member of the utility model;

[0016] Figure 5 , is a three-dimensional diagram of the first connecting member and the second connecting member of the utility model;

[0017] Figure 6 , is a three-dimensional diagram of the second connecting member of the utility model;

[0018] Figure 7 , is a three-dimensional diagram of the second connecting member and the third connecting member of the utility model;

[0019] In the figure: 1 column; 1.1 crossbeam; 1.2 longitudinal beam; 2 motor; 3 first driving rod; 4 first connecting piece; 4.1 connecting seat; 4.2 gear; 4.3 slot key; 4.4 rolling wheel; 5 pushing rod; 5.1 rack; 6 pushing rod extension section; 7 second connecting piece; 7.1 through slot; 7.2 second roller; 8 moving curtain rod; 9 third connecting piece; 9.1 connecting joint; 9.2 screw; 9.3 clamp; 10 sunshade curtain. DETAILED DESCRIPTION

[0020] In order to make the purpose, principle and structure of the utility model clearer, it is further described below in conjunction with the drawings and specific embodiments.

[0021] See also Figure 1-5 The utility model provides an external sunshade device for a greenhouse, comprising a plurality of external sunshade columns 1, a plurality of cross beams 1.1 and a plurality of longitudinal beams 1.2, wherein the external sunshade columns 1, the cross beams 1.1 and the longitudinal beams 1.2 are connected to form a fixed frame structure, and further comprising a motor 2, wherein the motor 2 is connected to the external sunshade column 1 located in the middle of the device, a first driving rod 3, wherein the first driving rod 3 is arranged parallel to the cross beam 1.1 and is drivingly connected to the motor 2, wherein a plurality of first driving rod extension sections are arranged at both ends of the first driving rod 3, wherein the first driving rod 3 is connected to the first driving rod extension section and two adjacent first driving rod extension sections by a plurality of first connecting members 4, wherein the first connecting member 4 comprises a connecting seat 4.1, wherein one end of the top of the connecting seat 4.1 The bottom of the crossbeam 1.1 located in the middle of the device is connected, and a gear 4.2 is provided at the bottom of the connecting seat 4.1. The groove keys on both sides of the gear 4.2 cooperate to connect the first drive rod 3 and one end of the first drive rod extension section or one end of two adjacent first drive rod extension sections. A rolling wheel 4.4 is also provided on the top of the connecting seat 4.1; a plurality of push rods 5 pass through the connecting seat 4.1 of the first connecting member 4 and are arranged parallel to the longitudinal beam 1.2. The push rod 5 passes through the gap between the rolling wheel 4.4 and the gear 4.2, and a rack 5.1 is provided at the bottom of the push rod 5 to cooperate with the connecting seat gear 4.2; push rod extension sections 6 connected to both ends of the push rod 5; and a plurality of movable curtain rods 8 vertically connected to the plurality of push rod extension sections 6.

[0022] The horizontal beam 1.1 and the longitudinal beam 1.2 are staggered up and down to connect with the outer sunshade column 1, and the longitudinal beam 1.2 is located below the horizontal beam 1.1. The staggered structure forms a certain gap between the horizontal and longitudinal structures in the vertical direction, and the gap is used to install a plurality of push rods 5, movable curtain rods 8 and connecting parts.

[0023] See also Figure 5-7, the motor 2 drives the first driving rod 3 to rotate, and the slot key 4.3 of the first driving rod 3 cooperates with the gear 4.2 of the first connecting member, thereby driving the gear 4.2 and the first driving rod extension to rotate synchronously. The push rod extension 6 is supported by a plurality of second connecting members 7 arranged at the bottom of the crossbeam, and the second connecting member 7 includes a second connecting seat with a through slot 7.1 in the middle, the top of the second connecting seat is used to connect the crossbeam 1.1, and the bottom of the second connecting seat is connected to the second roller 7.2 through a rotating shaft. The push rod extension 6 is connected to a plurality of moving curtain rods 8 through a third connecting member 9, and one end of the third connecting member 9 is provided with a connecting head 9.1 for passing through the push rod extension 6, and one side of the connecting head 9.1 is provided with a screw 9.2 for adjusting the progress, and the other end of the third connecting member 9 is provided with a clamp 9.3 for clamping the moving curtain rod 8. The moving curtain rod 8 is located above the longitudinal beam 1.2, and the longitudinal beam 1.2 is used to support the moving curtain rod 8.

[0024] The rotation of the motor 2 can drive the first drive rod 3 to rotate. The first connecting member 4 transmits the rotation of the extended section of the first drive rod 3 to the rack 5.1 of the push rod 5 through the gear 4.2. As the motor 2 rotates, the push rod 5 with the rack 5.1 is also pushed forward and backward in the longitudinal direction. The push rod extension section 6 slides freely on the second roller 7.2 of the second connecting member 7. The movable curtain rod 8 is vertically connected to the push rod extension section 6 through the third connecting member 9. As the push rod extension section 6 moves, it moves parallel to the cross beam 1.1. One side of the sunshade curtain 10 is fixed to the cross beam 1.1, and the other side is fixed to the movable curtain rod 8, and the other two sides are not fixedly connected. Since the cross beam 1.1 is fixed, when the motor 2 drives the movable curtain rod 8 to move, the other side of the shade curtain 10 is opened or closed by the movement of the movable curtain rod 8, see Figure 1 .

[0025] The above is only a specific implementation method of this utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical solution and new concept of the utility model, shall be covered by the protection scope of the utility model.

Claims

1. A greenhouse external sunshade device, comprising a plurality of external sunshade columns, a plurality of cross beams and a plurality of longitudinal beams, wherein the external sunshade columns, cross beams and longitudinal beams are connected to form a fixed frame structure, characterized in that Also includes A motor connected to an outer sunshade column located in the middle of the device, A first driving rod, the first driving rod is arranged parallel to the cross beam and is connected to the motor drive, a plurality of first driving rod extension sections are arranged at both ends of the first driving rod, the first driving rod is connected to the first driving rod extension section and two adjacent first driving rod extension sections by a plurality of first connecting members, the first connecting member comprises a connecting seat, one end of the top of the connecting seat is connected to the bottom of the cross beam located in the middle of the device, a gear is arranged at the bottom of the connecting seat, and groove keys on both sides of the gear are matched to connect the first driving rod and one end of the first driving rod extension section or one end of two adjacent first driving rod extension sections, and a rolling wheel is also arranged at the top of the connecting seat; A plurality of push rods pass through the connection seat of the first connection member and are arranged parallel to the longitudinal beam. The push rods pass through the gap between the rolling wheel and the gear, and a rack is provided at the bottom of the push rod to cooperate with the connection seat gear; A push rod extension section connected to both ends of the push rod; A plurality of movable curtain rods are vertically connected to a plurality of push rod extension sections.

2. A greenhouse sunshade device as claimed in claim 1, characterized in that The cross beams and longitudinal beams are staggered up and down and connected to the outer sunshade columns, and the longitudinal beams are located below the cross beams.

3. A greenhouse sunshade device as claimed in claim 1, characterized in that The motor drives the first driving rod to rotate, and the slot key of the first driving rod matches the gear of the first connecting member, thereby driving the gear and the extended section of the first driving rod to rotate synchronously.

4. A greenhouse sunshade device as claimed in claim 1, characterized in that The push rod extension section is supported by a plurality of second connecting members arranged at the bottom of the beam, the second connecting member includes a second connecting seat with a through groove in the middle, the top of the second connecting seat is used to connect to the beam, and the bottom of the second connecting seat is connected to the second roller through a rotating shaft.

5. A greenhouse sunshade device as claimed in claim 1, characterized in that The push rod extension section is connected to a plurality of movable curtain rods via a third connecting member, one end of the third connecting member is provided with a connecting head for passing through the push rod extension section, one side of the connecting head is provided with a screw for adjusting the progress, and the other end of the third connecting member is provided with a clamp for clamping the movable curtain rod.

6. A greenhouse sunshade device as claimed in claim 2, characterized in that The moving curtain rod is located above the longitudinal beam, and the longitudinal beam is used to support the moving curtain rod.

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