Greenhouse ventilation device for asparagus planting

Abstract

The invention relates to the technical field of greenhouses, in particular to a greenhouse ventilation device for asparagus planting, which is characterized in that a bottom plate is arranged on the side surface of a supporting seat, ventilation equipment is arranged on the surface of the bottom plate, a hose is arranged on the side surface of the ventilation equipment, a placement groove is formed in the side surface of a positioning frame, and a pipe body is arranged in the placement groove; connecting pipes are arranged on the surface of the pipe body, supporting plates are arranged on the surface of the positioning frame, the positioning frame can be covered with a greenhouse film, and positioning pipes are arranged on the side face of the pipe body. The greenhouse ventilation device has the beneficial effects that firstly, the positioning frame is fixed to the surface of the supporting base, then the threaded pipe is connected with the limiting nut, and therefore the ventilation device can be started, and then gas in a greenhouse can be exhausted and replaced through the multiple connecting pipes arranged on the surface of the pipe body; the multiple sets of connecting pipes are arranged, so that ventilation of multiple spaces in the greenhouse can be increased, and the problem that ventilation effects of different areas in the greenhouse are greatly different, and consequently air circulation of part of the areas is not smooth is solved.

Description

Technical Field

[0001] The invention relates to the technical field of greenhouses, in particular to a greenhouse ventilation device for asparagus planting. Background Art

[0002] An asparagus greenhouse is an agricultural facility used for indoor cultivation of asparagus. Common greenhouses are assembled and built with support frames, and the roof and support frames are covered with a light-transmitting transparent film. Entrances and exits are opened on the front or rear side to facilitate the entry and exit of staff. The transparent film covering the outside of the greenhouse allows light to penetrate easily, which is conducive to the growth of asparagus.

[0003] However, because the transparent film is not easy to dissipate heat, it is easy to accumulate heat, making the greenhouse unbearably hot and stuffy. For this reason, ventilation equipment is installed on the surface of the greenhouse to improve the temperature inside the greenhouse and facilitate the normal growth of asparagus.

[0004] However, traditional ventilation equipment is fixed in position, which may result in large differences in ventilation effects in different areas of the greenhouse when the ventilation equipment is working, causing poor air circulation in some areas and failing to cover the entire greenhouse, which may lead to restricted growth of some asparagus.

[0005] To this end, the present invention proposes a greenhouse ventilation device for asparagus cultivation to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a greenhouse ventilation device for asparagus cultivation to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: a greenhouse ventilation device for asparagus planting, the greenhouse ventilation device for asparagus planting comprising: a support base, a bottom plate is arranged on the side of the support base, a ventilation device is arranged on the surface of the bottom plate, and a hose is arranged on the side of the ventilation device;

[0008] A positioning frame, a placement groove is provided on the side of the positioning frame, a tube body is arranged in the placement groove, a connecting tube is arranged on the surface of the tube body, a support plate is arranged on the surface of the positioning frame, the positioning frame can be covered with a greenhouse film, a positioning tube is arranged on the side of the tube body, a sealed bearing is arranged on the end face of the positioning tube, and a limiting nut is arranged on the surface of the sealed bearing.

[0009] Preferably, the base plate is fixedly connected to the side of the support seat by means of limiting bolts, the ventilation equipment is a common greenhouse ventilation device, and a threaded tube is arranged on the end face of the hose, and one end of the threaded tube can be screwed into a limiting nut.

[0010] Preferably, the sealing bearing is fixedly connected to the end face of the positioning tube, the limiting nut can be rotated by means of the sealing bearing, and two groups of threaded tubes are provided, and the two groups of threaded tubes are symmetrically distributed about the hose.

[0011] Preferably, a fixing screw is provided on the surface of the support seat, the support seat is an overall square plate structure, a cone is provided at the bottom of the support seat, two groups of fixing screws are provided, the two groups of fixing screws are symmetrically distributed about the center line of the long side of the support seat, multiple groups of cones are provided, and the multiple groups of cones are fixedly connected to the bottom of the support seat, and a positioning nut is threaded on the surface of the fixing screw.

[0012] Preferably, the positioning frame is an arc-shaped plate structure as a whole, and a mounting plate is provided on the side of the positioning frame, and the mounting plate can be sleeved on the fixing screw. There are two groups of mounting plates, and the two groups of mounting plates are symmetrically distributed about the positioning frame. The support plate is fixedly connected to the outer surface of the positioning frame, and the support plate is a square plate structure. The greenhouse film can be fixed on the surface of the support plate. There are multiple groups of support plates, and the multiple groups of support plates are evenly fixedly connected to the outer surface of the positioning frame.

[0013] Preferably, a positioning slot is provided on the side of the placement slot, and a fixing block is provided on the surface of the placement slot. The fixing blocks are provided in two groups, and the two groups of fixing blocks are symmetrically distributed about the center point of the inner annular surface of the positioning frame.

[0014] Preferably, the connecting tubes are provided in multiple groups, the multiple groups of connecting tubes are evenly fixedly connected to the surface of the tube body, the connecting tubes are inserted into the positioning slots, and the positioning frames are provided in two groups, which are symmetrically distributed about the center line of the long side of the support seat.

[0015] Preferably, the fixed block is a square plate structure, a movable groove is provided on the surface of the fixed block, a movable rod is provided on the end face of the movable groove, a limit spring is sleeved on the surface of the movable rod, a limit block is provided in the movable groove, a guide hole is provided on the end face of the limit block, the limit block can slide on the movable rod using the guide hole, and the limit block can be displaced in the movable groove.

[0016] Preferably, one end of the limit spring is fixedly connected to the end face of the movable groove, and the other end of the limit spring is fixedly connected to the end face of the limit block. The limit block can support one end of the tube body, and the limit block is a square plate structure.

[0017] Preferably, a sealing plate is provided on the side of the positioning frame, and the sealing plate is fixedly connected to the side of the positioning frame by bolts. The sealing plate can cover the placement groove, and an auxiliary plate is provided on the surface of the sealing plate. The auxiliary plates are provided in multiple groups, and the multiple groups of auxiliary plates are fixedly connected to the surface of the sealing plate.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention proposes a greenhouse ventilation and air exchange device for asparagus cultivation. When in use, the positioning frame is first fixed to the surface of the support seat, and then the threaded pipe is connected to the limit nut, so that the ventilation and air exchange equipment can be started, and then the gas inside the greenhouse can be discharged and replaced through a plurality of connecting pipes arranged on the surface of the pipe body. A plurality of groups of connecting pipes are arranged to increase the ventilation and air exchange of multiple spaces inside the greenhouse, thereby avoiding large differences in ventilation effects in different areas of the greenhouse, resulting in poor air circulation in some areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the device of the present invention;

[0021] Figure 2 This is a schematic diagram of the structure of the device of the present invention after the greenhouse film is removed;

[0022] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 4 It is a side view of the device of the present invention;

[0024] Figure 5 It is a front view of the device of the present invention;

[0025] Figure 6 for Figure 5 The enlarged structural diagram at B in the middle;

[0026] Figure 7 for Figure 5 Enlarged structural diagram at point C in the middle.

[0027] In the figure: 1. Support seat; 2. Bottom plate; 3. Ventilation equipment; 4. Hose; 5. Positioning frame; 6. Placement slot; 7. Tube body; 8. Connecting pipe; 9. Support plate; 10. Greenhouse film; 11. Positioning tube; 12. Sealed bearing; 13. Limiting nut; 14. Threaded tube; 15. Fixing screw; 16. Cone; 17. Positioning nut; 18. Mounting plate; 19. Positioning slot; 20. Fixed block; 21. Moving slot; 22. Moving rod; 23. Limiting spring; 24. Limiting block; 25. Guide hole; 26. Sealing plate; 27. Auxiliary plate. DETAILED DESCRIPTION

[0028] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Embodiment 1

[0030] See also Figures 1 to 7 The present invention provides a technical solution: a greenhouse ventilation device for asparagus planting, the greenhouse ventilation device for asparagus planting comprising: a support base 1, a bottom plate 2 is arranged on the side of the support base 1, a ventilation device 3 is arranged on the surface of the bottom plate 2, and a hose 4 is arranged on the side of the ventilation device 3;

[0031] A positioning frame 5, a placement groove 6 is provided on the side of the positioning frame 5, a tube body 7 is provided in the placement groove 6, a connecting tube 8 is provided on the surface of the tube body 7, a support plate 9 is provided on the surface of the positioning frame 5, the positioning frame 5 can be covered with a greenhouse film 10, a positioning tube 11 is provided on the side of the tube body 7, a sealing bearing 12 is provided on the end face of the positioning tube 11, and a limited position nut 13 is provided on the surface of the sealing bearing 12;

[0032] First, fix the positioning frame 5 on the surface of the support base 1, and then connect the threaded tube 14 with the limit nut 13, so that the ventilation equipment 3 can be started, and then the gas inside the greenhouse can be discharged and replaced through the multiple connecting pipes 8 arranged on the surface of the pipe body 7. There are multiple groups of connecting pipes 8 to increase the ventilation of multiple spaces inside the greenhouse, thereby avoiding large differences in ventilation effects in different areas of the greenhouse, resulting in poor air circulation in some areas.

[0033] Embodiment 2

[0034] On the basis of the first embodiment, in order to facilitate uniform ventilation inside the greenhouse, a pipe body 7 is provided, the bottom plate 2 is fixedly connected to the side of the support seat 1 by means of a limiting bolt, the ventilation and air exchange equipment 3 is a common greenhouse ventilation and air exchange device, the end face of the hose 4 is provided with a threaded tube 14, one end of the threaded tube 14 can be screwed into the limiting nut 13, the sealing bearing 12 is fixedly connected to the end face of the positioning tube 11, the limiting nut 13 can be rotated by means of the sealing bearing 12, the threaded tube 14 is provided with two groups, the two groups of threaded tubes 14 are symmetrically distributed about the hose 4, the connecting tube 8 is provided with multiple groups, the multiple groups of connecting tubes 8 are evenly fixedly connected to the surface of the pipe body 7, the connecting tube 8 is inserted into the positioning card slot 19, and the positioning frame 5 is provided with two groups, the two groups of positioning frames 5 are symmetrically distributed about the center line of the long side of the side of the support seat 1;

[0035] When in use, first rotate the limit nut 13 in conjunction with the sealed bearing 12, and then the threaded tube 14 can be conveniently screwed into the limit nut 13. The setting of the sealed bearing 12 also avoids the problem of twisting of the hose 4 during rotation. Then, the interior of the greenhouse can be ventilated through the ventilation equipment 3, and then multiple groups of connecting pipes 8 can be set to facilitate uniform ventilation of multiple areas inside the greenhouse, thereby facilitating the normal growth of asparagus.

[0036] In order to facilitate the limiting of the tube body 7, a limiting block 24 is set, the fixed block 20 is a square plate-shaped structure, a moving groove 21 is opened on the surface of the fixed block 20, a moving rod 22 is set on the end face of the moving groove 21, a limiting spring 23 is sleeved on the surface of the moving rod 22, a limiting block 24 is set in the moving groove 21, a guide hole 25 is opened on the end face of the limiting block 24, the limiting block 24 can slide on the moving rod 22 by using the guide hole 25, the limiting block 24 can be displaced in the moving groove 21, one end of the limiting spring 23 is fixedly connected to the end face of the moving groove 21, and the other end of the limiting spring 23 is fixedly connected to the end face of the limiting block 24, the limiting block 24 can resist one end of the tube body 7, the limiting block 24 is a square plate-shaped structure, a positioning card groove 19 is opened on the side of the placement groove 6, a fixed block 20 is set on the surface of the placement groove 6, and two groups of fixed blocks 20 are arranged, and the two groups of fixed blocks 20 are symmetrically distributed about the center point of the inner annular surface of the positioning frame 5;

[0037] When in use, the limit block 24 can be pulled backwards first, and then the tube body 7 can be placed in the placement groove 6, so that the connecting tube 8 is located inside the positioning slot 19, and then the limit block 24 can be released. The limit block 24 can be reset with the help of the elastic force of the limit spring 23, so that the upper surface of the tube body 7 can be limited by the limit block 24, so that the tube body 7 can be fixed in the placement groove 6. The moving rod 22 cooperates with the moving groove 21 to conveniently limit the limit block 24, and also to guide the displacement of the limit block 24 to avoid the problem of movement deviation. The positioning of the limit block 24 also makes it convenient for the sealing plate 26 to be removed later, so that the tube body 7 is still fixed in the placement groove 6 for inspection by the staff.

[0038] Embodiment 3

[0039] On the basis of the second embodiment, in order to facilitate the installation of the positioning frame 5, a mounting plate 18 is provided, a fixing screw 15 is provided on the surface of the support seat 1, the support seat 1 is a square plate-shaped structure as a whole, a cone 16 is provided at the bottom of the support seat 1, two groups of fixing screws 15 are provided, and the two groups of fixing screws 15 are symmetrically distributed about the center line of the long side of the side of the support seat 1, multiple groups of cones 16 are provided, and the multiple groups of cones 16 are fixedly connected to the bottom of the support seat 1, and a positioning nut 17 is screwed on the surface of the fixing screw 15. The positioning frame 5 is an arc-shaped plate-shaped structure as a whole, and a mounting plate 18 is provided on the side of the positioning frame 5. The mounting plate 18 can be sleeved on the fixing screw 15. Two groups of mounting plates 18 are provided, and the two groups of mounting plates 18 are symmetrically distributed about the positioning frame 5. The support plate 9 is fixedly connected to the outer surface of the positioning frame 5. The support plate 9 is a square plate-shaped structure. The greenhouse film 10 can be fixed on the surface of the support plate 9. The support plate 9 is provided with multiple groups, and the multiple groups of support plates 9 are evenly fixedly connected to the outer surface of the positioning frame 5;

[0040] When in use, first put the mounting plate 18 on the fixing screw 15, and then the positioning nut 17 can be screwed on the fixing screw 15, so that the mounting plate 18 can be fixed on the surface of the support seat 1 to install the positioning frame 5, which is also convenient for subsequent disassembly, and then the cone 16 set at the bottom of the support seat 1 can be inserted into the ground. The installation stability of the support seat 1 can be improved by the cone 16. The setting of the support plate 9 can facilitate the support of the greenhouse film 10, avoid direct contact between the greenhouse film 10 and the surface of the positioning frame 5, and avoid affecting the subsequent installation of the sealing plate 26.

[0041] In order to conveniently cover the placement groove 6, a sealing plate 26 is provided. A sealing plate 26 is provided on the side of the positioning frame 5. The sealing plate 26 is fixedly connected to the side of the positioning frame 5 by bolts. The sealing plate 26 can cover the placement groove 6. An auxiliary plate 27 is provided on the surface of the sealing plate 26. The auxiliary plate 27 is provided in multiple groups. The multiple groups of auxiliary plates 27 are fixedly connected to the surface of the sealing plate 26.

[0042] When in use, the placement groove 6 can be covered by the sealing plate 26 first to prevent external garbage from entering the placement groove 6. The sealing plate 26 can cover the placement groove 6 on the one hand, and protect the tube body 7 on the other hand to avoid bumping into the surface of the tube body 7. After being sealed by the sealing plate 26, one end of the greenhouse film 10 can be supported by the auxiliary plate 27, which is convenient for increasing the supporting length of the greenhouse film 10.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A greenhouse ventilation device for asparagus cultivation, characterized in that: The greenhouse ventilation device for asparagus planting comprises: a support base (1), a bottom plate (2) is arranged on the side of the support base (1), a ventilation device (3) is arranged on the surface of the bottom plate (2), and a hose (4) is arranged on the side of the ventilation device (3); A positioning frame (5) is provided with a placement groove (6) on the side of the positioning frame (5), a tube body (7) is arranged in the placement groove (6), a connecting tube (8) is arranged on the surface of the tube body (7), a support plate (9) is arranged on the surface of the positioning frame (5), a greenhouse film (10) can be covered on the positioning frame (5), a positioning tube (11) is arranged on the side of the tube body (7), a sealing bearing (12) is arranged on the end surface of the positioning tube (11), and a limiting nut (13) is arranged on the surface of the sealing bearing (12).

2. A greenhouse ventilation device for asparagus planting according to claim 1, characterized in that: The base plate (2) is fixedly connected to the side of the support seat (1) by means of limiting bolts; the ventilation equipment (3) is a common greenhouse ventilation device; the end surface of the hose (4) is provided with a threaded tube (14); one end of the threaded tube (14) can be screwed into a limiting nut (13).

3. A greenhouse ventilation device for asparagus planting according to claim 1, characterized in that: The sealing bearing (12) is fixedly connected to the end surface of the positioning tube (11), and the limiting nut (13) can be rotated by means of the sealing bearing (12). Two groups of threaded tubes (14) are provided, and the two groups of threaded tubes (14) are symmetrically distributed with respect to the hose (4).

4. A greenhouse ventilation device for asparagus planting according to claim 1, characterized in that: The support seat (1) is provided with a fixing screw (15) on its surface. The support seat (1) is in the form of a square plate as a whole. A cone (16) is provided at the bottom of the support seat (1). Two groups of fixing screws (15) are provided. The two groups of fixing screws (15) are symmetrically distributed about the center line of the long side of the side of the support seat (1). Multiple groups of cones (16) are provided. The multiple groups of cones (16) are fixedly connected to the bottom of the support seat (1). Positioning nuts (17) are screwed on the surface of the fixing screws (15).

5. A greenhouse ventilation device for asparagus planting according to claim 1, characterized in that: The positioning frame (5) is in the form of an arc-shaped plate structure as a whole. A mounting plate (18) is arranged on the side of the positioning frame (5). The mounting plate (18) can be sleeved on the fixing screw (15). Two groups of mounting plates (18) are arranged. The two groups of mounting plates (18) are symmetrically distributed with respect to the positioning frame (5). The support plate (9) is fixedly connected to the outer surface of the positioning frame (5). The support plate (9) is in the form of a square plate structure. The greenhouse film (10) can be fixed on the surface of the support plate (9). Multiple groups of support plates (9) are arranged. The multiple groups of support plates (9) are evenly fixedly connected to the outer surface of the positioning frame (5).

6. A greenhouse ventilation device for asparagus planting according to claim 1, characterized in that: A positioning slot (19) is provided on the side of the placement slot (6), and a fixing block (20) is provided on the surface of the placement slot (6). Two groups of fixing blocks (20) are provided, and the two groups of fixing blocks (20) are symmetrically distributed about the center point of the inner annular surface of the positioning frame (5).

7. A greenhouse ventilation device for asparagus planting according to claim 1, characterized in that: The connecting tubes (8) are provided in multiple groups, and the multiple groups of connecting tubes (8) are evenly fixedly connected to the surface of the tube body (7). The connecting tubes (8) are inserted into the positioning slots (19). The positioning frames (5) are provided in two groups, and the two groups of positioning frames (5) are symmetrically distributed about the center line of the long side of the supporting seat (1).

8. A greenhouse ventilation device for asparagus planting according to claim 6, characterized in that: The fixed block (20) is in a square plate-like structure. A moving groove (21) is provided on the surface of the fixed block (20). A moving rod (22) is provided on the end surface of the moving groove (21). A limiting spring (23) is sleeved on the surface of the moving rod (22). A limiting block (24) is provided in the moving groove (21). A guide hole (25) is provided on the end surface of the limiting block (24). The limiting block (24) can slide on the moving rod (22) by using the guide hole (25). The limiting block (24) can be displaced in the moving groove (21).

9. A greenhouse ventilation device for asparagus planting according to claim 8, characterized in that: One end of the limit spring (23) is fixedly connected to the end surface of the movable groove (21), and the other end of the limit spring (23) is fixedly connected to the end surface of the limit block (24). The limit block (24) can support one end of the tube body (7), and the limit block (24) is a square plate-shaped structure.

10. A greenhouse ventilation device for asparagus planting according to claim 1, characterized in that: A sealing plate (26) is arranged on the side of the positioning frame (5), and the sealing plate (26) is fixedly connected to the side of the positioning frame (5) by means of bolts. The sealing plate (26) can cover the placement groove (6). An auxiliary plate (27) is arranged on the surface of the sealing plate (26), and the auxiliary plates (27) are arranged in multiple groups, and the multiple groups of auxiliary plates (27) are all fixedly connected to the surface of the sealing plate (26).

Images