Vegetable planting greenhouse ventilation device

Abstract

The utility model discloses a ventilation device for a vegetable planting greenhouse, which belongs to the technical field of vegetable planting greenhouses, and comprises a greenhouse main body, and open slots are arranged at the left side end and the right side end of the greenhouse main body. The two-way motor drives transmission rods on the two sides of the two-way motor to rotate at the same time, the transmission rods drive a driving gear to rotate, the driving gear drives a driven gear meshed with the driving gear to rotate, the driven gear drives a threaded rod to rotate, and therefore the ventilation window can be driven to longitudinally move in a mounting groove. When the ventilation window moves upwards, the filter screen can be driven to move into the opening groove, external unknown winged insects can be blocked through the filter screen while ventilation is conducted, the probability of insect damage to vegetables in the greenhouse is reduced, the using effect of the greenhouse body is improved, and the device can be repeatedly used and is easy and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of vegetable planting greenhouses, and more specifically, to a ventilation device for vegetable planting greenhouses. Background Art

[0002] Vegetable greenhouse is a frame-covered structure with excellent thermal insulation performance. Its appearance allows people to eat off-season vegetables. Generally, vegetable greenhouses use bamboo or steel structure frames, covered with one or more layers of thermal insulation plastic film, thus forming a greenhouse space. The outer film effectively prevents the loss of carbon dioxide produced by the growth of vegetables inside, so that the greenhouse has a good thermal insulation effect. Vegetable greenhouses need to be ventilated during use, and at this time a ventilation device for vegetable greenhouses is needed for easy use.

[0003] The current ventilation and ventilation devices for vegetable growing greenhouses, such as the "Ventilation and Ventilation Device for Vegetable Growing Greenhouse" proposed in Patent No. 202322375657.3, include a greenhouse body, a plurality of ventilation windows are provided on both sides of the greenhouse body, and the plurality of ventilation windows are arranged at intervals along the length direction of the greenhouse body, and a baffle is provided at the ventilation and ventilation window, and the baffle is arranged in the greenhouse body, and the upper end of the baffle is rotatably connected to the greenhouse body, and a rotating shaft is provided in the greenhouse body along its length direction, and the rotation of the rotating shaft is controlled by a control structure, and the rotating shaft is connected to the baffle by a pull rope, and the pull rope is connected to the lower end of the baffle. The purpose of the utility model is to solve the technical problems existing in the prior art and provide a ventilation and ventilation device for vegetable growing greenhouses, which can complete the opening and closing control of all the ventilation windows through the same control structure, and has a simple structure, convenient operation, and is not easy to damage.

[0004] The existing ventilation device for vegetable planting greenhouses is driven by a rotating shaft to rotate the pull rope of the ventilation window. Although it can play the role of opening and closing the ventilation window, in actual use, the pull rope of the device is easy to wear out due to long-term use, and it is not easy to replace it. At the same time, when the ventilation window is opened, unknown flying insects from the outside are easy to enter the vegetable greenhouse, increasing the probability of insect pests in the greenhouse and affecting the use effect. Therefore, there is an urgent need to improve the technology of the structure of the ventilation device for vegetable planting greenhouses to improve this equipment. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a ventilation device for a vegetable planting greenhouse, which can be used to realize that when the ventilation window needs to be opened for ventilation, the bidirectional motor can be operated, and the bidirectional motor drives the transmission rods on both sides to rotate at the same time, the transmission rod drives the driving gear to rotate, the driving gear drives the driven gear meshing with it to rotate, and the driven gear drives the threaded rod to rotate, thereby driving the ventilation window to move longitudinally in the installation groove, and when the ventilation window moves upward, it can drive the filter to move into the opening groove, and at the same time of ventilation, the filter can be used to block unknown flying insects from the outside to reduce the probability of insect pests in the greenhouse, thereby improving the use effect of the greenhouse main body, and the device can be reused many times and is easy to operate.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A ventilation device for a vegetable growing greenhouse comprises a greenhouse main body, wherein the left and right side ends of the greenhouse main body are provided with open grooves, ventilation windows are provided inside the open grooves, a mounting groove is provided at the top of the greenhouse main body near the ventilation window, the ventilation window is slidably connected in the mounting groove, a threaded groove is provided at the top of the ventilation window, a support frame is fixedly connected at the inner wall of the greenhouse main body, the ventilation window is driven by a transmission mechanism in the greenhouse main body to move longitudinally in the mounting groove, a connecting groove is provided at the bottom end of the greenhouse main body near the ventilation window, a filter is fixedly connected at the bottom end of the ventilation window, the filter is slidably connected in the connecting groove, a brush is glued to the inner wall of the connecting groove, the brush is in contact with the surface of the filter, and dust and impurities falling on the surface of the filter are collected centrally by a collecting mechanism in the greenhouse main body.

[0008] Furthermore, a threaded rod is threadedly connected in the threaded groove, and the threaded rod extends to the interior of the greenhouse body and is rotatably connected to the greenhouse body. A groove is provided in the interior of the greenhouse body, and a driven gear is fixedly connected to the top of the threaded rod, and the driven gear is located in the groove. The side end of the driven gear is meshed and connected with a driving gear. A bidirectional motor is mounted in the middle of the support frame, and a transmission rod groove is provided in the support frame near the output shaft of the bidirectional motor. A transmission rod is rotatably connected in the transmission rod groove, and the transmission rod is connected to the output shaft of the bidirectional motor.

[0009] Furthermore, the driven gear and the driving gear are both bevel reversing gears, and the driven gear and the driving gear have the same size.

[0010] Furthermore, the brushes are evenly distributed on the left and right inner walls of the connecting groove, and the distribution range of the brushes is larger than the side end area of ​​the filter screen.

[0011] Furthermore, a notch is provided at the bottom of the greenhouse body near the connecting groove, and a dust collecting box is slidably connected in the notch. The dust collecting box is located below the filter screen, and a cover plate is fixedly connected to the outer end of the dust collecting box. The cover plate is located outside the greenhouse body. Bolts are threadedly connected to the inner surface of the greenhouse body, and the cover plate is fixed to the greenhouse body by the bolts.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] The utility model can make the bidirectional motor work when it is necessary to open the ventilation window for ventilation, and the bidirectional motor drives the transmission rods on both sides to rotate at the same time, the transmission rod drives the active gear to rotate, the active gear drives the driven gear meshed with it to rotate, and the driven gear drives the threaded rod to rotate, thereby driving the ventilation window to move longitudinally in the installation groove, and when the ventilation window moves upward, it can drive the filter to move into the opening groove, and at the same time of ventilation, unknown flying insects from the outside can be blocked by the filter to reduce the probability of insect pests in the greenhouse, thereby improving the use effect of the greenhouse main body, and the device can be reused many times and is easy to operate.

[0014] The utility model discloses that when ventilation is finished, the two-way motor rotates in the opposite direction, and the transmission mechanism can drive the ventilation window to move back to the opening groove. At this time, the ventilation window can drive the filter to move into the connecting groove, and the surface of the filter is brushed and cleaned by the brush on the inner wall of the connecting groove to avoid clogging of the mesh holes on the surface of the filter and affecting the ventilation effect. At the same time, the dust and impurities brushed off by the brush can fall into the dust collecting box for collection, and then the bolts can be taken out, the cover plate can be pulled, the dust collecting box can be pulled out, and the impurity particles inside can be centrally processed, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0017] Figure 3 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point B in the middle.

[0018] Description of the numbers in the figure:

[0019] 1. Greenhouse body; 2. Opening slot; 3. Ventilation window; 4. Installation slot; 5. Threaded slot; 6. Threaded rod; 7. Groove; 8. Driven gear; 9. Driving gear; 10. Support frame; 11. Bidirectional motor; 12. Transmission rod slot; 13. Transmission rod; 14. Connection slot; 15. Filter; 16. Brush; 17. Notch; 18. Dust box; 19. Cover plate; 20. Bolts. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 A ventilation device for a vegetable planting greenhouse comprises a greenhouse main body 1, an opening groove 2 is provided at the left and right side ends of the greenhouse main body 1, a ventilation window 3 is provided inside the opening groove 2, a mounting groove 4 is provided at the top of the greenhouse main body 1 near the ventilation window 3, the ventilation window 3 is slidably connected in the mounting groove 4, a threaded groove 5 is provided at the top of the ventilation window 3, a support frame 10 is fixedly connected at the inner wall of the greenhouse main body 1, the ventilation window 3 is driven by a transmission mechanism in the greenhouse main body 1 to move longitudinally in the mounting groove 4, a connecting groove 14 is provided at the bottom end of the greenhouse main body 1 near the ventilation window 3, a filter screen 15 is fixedly connected at the bottom end of the ventilation window 3, the filter screen 15 is slidably connected in the connecting groove 14, a brush 16 is glued and connected at the inner wall of the connecting groove 14, the brush 16 is in contact with the surface of the filter screen 15, and the dust and impurities falling on the surface of the filter screen 15 are collected in a centralized manner by a collecting mechanism in the greenhouse main body 1.

[0022] When it is necessary to open the ventilation window 3 for ventilation, the bidirectional motor 11 can be operated, and the bidirectional motor 11 drives the transmission rods 13 on both sides thereof to rotate simultaneously, and the transmission rods 13 drive the driving gear 9 to rotate, and the driving gear 9 drives the driven gear 8 meshing therewith to rotate, and the driven gear 8 drives the threaded rod 6 to rotate, thereby driving the ventilation window 3 to move longitudinally in the installation groove 4, and when the ventilation window 3 moves upward, it can drive the filter 15 to move into the opening groove 2, and while ventilation is being carried out, the filter 15 can be used to block unknown flying insects from the outside, so as to reduce the probability of insect pests in the greenhouse, thereby improving the use effect of the greenhouse main body 1, and the device can be reused many times and is easy to operate.

[0023] See also Figure 1 and Figure 3, a threaded rod 6 is connected to the thread groove 5, and the threaded rod 6 extends to the interior of the greenhouse main body 1 and is rotatably connected to the greenhouse main body 1. A groove 7 is provided inside the greenhouse main body 1. A driven gear 8 is fixedly connected to the top of the threaded rod 6, and the driven gear 8 is located in the groove 7. The side end of the driven gear 8 is meshed and connected with a driving gear 9. A bidirectional motor 11 is mounted in the middle of the support frame 10. A transmission rod groove 12 is provided at the support frame 10 near the output shaft of the bidirectional motor 11. A transmission rod 13 is rotatably connected in the transmission rod groove 12, and the transmission rod 13 is connected to the output shaft of the bidirectional motor 11. The driven gear 8 and the driving gear 9 are both conical reversing gears, and the driven gear 8 and the driving gear 9 have the same size. When the bidirectional motor 11 is working, it can drive the transmission rods 13 on both sides thereof to rotate at the same time, and the transmission rod 13 drives the driving gear 9 to rotate, and the driving gear 9 drives the driven gear 8 meshed with it to rotate, and the driven gear 8 drives the threaded rod 6 to rotate, thereby driving the ventilation window 3 to move longitudinally in the installation groove 4.

[0024] See also Figure 1-2 The brushes 16 are evenly distributed on the left and right inner walls of the connecting groove 14. The distribution range of the brushes 16 is larger than the side end area of ​​the filter 15. By setting the distribution range of the brushes 16 to be larger than the side end area of ​​the filter 15, the surface of the filter 15 can be brushed to the maximum extent to avoid omission. A notch 17 is provided at the bottom of the greenhouse body 1 near the connecting groove 14. An ash collecting box 18 is slidably connected in the notch 17. The ash collecting box 18 is located below the filter 15. A cover plate 19 is fixedly connected to the outer end of the ash collecting box 18. The cover plate 19 is located outside the greenhouse body 1. The greenhouse body 1 The internal thread is connected with a bolt 20, and the cover plate 19 is fixed on the greenhouse body 1 by the bolt 20. When the ventilation window 3 can drive the filter 15 to move into the connecting groove 14, the surface of the filter 15 is brushed and cleaned by the brush 16 on the inner wall of the connecting groove 14 to avoid clogging of the mesh holes on the surface of the filter 15 and affecting the ventilation effect. At the same time, the dust and impurities brushed off by the brush 16 can fall into the dust box 18 for collection. After that, the bolt 20 can be taken out, the cover plate 19 can be pulled, the dust box 18 can be pulled out, and the impurity particles inside it can be centrally processed.

[0025] In the utility model, when the relevant technical personnel use the device, when it is necessary to open the ventilation window 3 for ventilation, the bidirectional motor 11 can be operated, and the ventilation window 3 can be driven to move longitudinally in the installation groove 4 through the transmission mechanism. When the ventilation window 3 moves upward, the filter 15 can be driven to move into the opening groove 2. At the same time of ventilation, the filter 15 can be used to block unknown flying insects from the outside, so as to reduce the probability of insect pests in the greenhouse vegetables, improve the use effect of the greenhouse body 1, and the device can be reused many times, and the operation is simple;

[0026] When ventilation is completed, the bidirectional motor 11 rotates in the opposite direction, driving the ventilation window 3 to move back into the opening slot 2. At this time, the ventilation window 3 can drive the filter 15 to move into the connecting slot 14, and use the brush 16 on the inner wall of the connecting slot 14 to brush and clean the surface of the filter 15 to avoid clogging of the mesh holes on the surface of the filter 15 and affecting the ventilation effect. At the same time, the dust and impurities brushed off by the brush 16 can fall into the dust box 18 for collection. After that, the bolt 20 can be taken out, the cover plate 19 can be pulled, the dust box 18 can be pulled out, and the impurity particles inside it can be centrally processed for easy use.

[0027] 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 ventilation device for a vegetable growing greenhouse, comprising a greenhouse body (1), characterized in that: The left and right side ends of the greenhouse body (1) are provided with opening grooves (2), and ventilation windows (3) are provided inside the opening grooves (2). The top of the greenhouse body (1) near the ventilation window (3) is provided with a mounting groove (4), and the ventilation window (3) is slidably connected in the mounting groove (4). The top of the ventilation window (3) is provided with a threaded groove (5). The inner wall of the greenhouse body (1) is fixedly connected with a support frame (10), and the ventilation window (3) is driven by a transmission mechanism in the greenhouse body (1) to be installed in the greenhouse. The greenhouse body (1) is provided with a connection groove (14) near the bottom end of the ventilation window (3); a filter (15) is fixedly connected to the bottom end of the ventilation window (3); the filter (15) is slidably connected in the connection groove (14); a brush (16) is glued and connected to the inner wall of the connection groove (14); the brush (16) is in contact with the surface of the filter (15); and dust and impurities falling from the surface of the filter (15) are collected in a centralized manner by a collection mechanism in the greenhouse body (1).

2. A ventilation device for vegetable growing greenhouse according to claim 1, characterized in that: The transmission mechanism comprises a threaded rod (6), a groove (7), a driven gear (8), a driving gear (9), a bidirectional motor (11), a transmission rod groove (12) and a transmission rod (13); the threaded groove (5) is internally threadedly connected to the threaded rod (6); the threaded rod (6) extends into the interior of the greenhouse body (1) and is rotatably connected to the greenhouse body (1); a groove (7) is provided inside the greenhouse body (1); the top end of the threaded rod (6) is fixedly connected to the driven gear (8); the driven gear (8) is located in the groove (7); the side end of the driven gear (8) is meshingly connected to the driving gear (9); the bidirectional motor (11) is mounted in the middle of the support frame (10); a transmission rod groove (12) is provided near the output shaft of the bidirectional motor (11) of the support frame (10); the transmission rod groove (12) is rotatably connected to the transmission rod (13); the transmission rod (13) is connected to the output shaft of the bidirectional motor (11).

3. A ventilation device for vegetable growing greenhouse according to claim 2, characterized in that: The driven gear (8) and the driving gear (9) are both conical reversing gears, and the driven gear (8) and the driving gear (9) have the same size.

4. A ventilation device for vegetable growing greenhouse according to claim 1, characterized in that: The collecting mechanism comprises a notch (17), an ash collecting box (18), a cover plate (19) and bolts (20); the greenhouse body (1) is provided with a notch (17) at the bottom near the connecting groove (14); the ash collecting box (18) is slidably connected in the notch (17); the ash collecting box (18) is located below the filter screen (15); the outer end of the ash collecting box (18) is fixedly connected to the cover plate (19); the cover plate (19) is located outside the greenhouse body (1); the greenhouse body (1) is internally threadedly connected to the bolts (20); the cover plate (19) is fixedly fixed to the greenhouse body (1) by the bolts (20).

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