A greenhouse ventilation bracket

Abstract

The utility model is applicable to the technical field of vegetable greenhouses, and provides a greenhouse ventilation bracket, including an outer shell, in which a main ventilation duct is arranged, and a plurality of ventilation racks are fixedly connected to the main ventilation duct; an air regulating group is arranged on the outer shell, and the air regulating group includes a driving member, a lower tooth plate arranged at the output end of the driving member, and a plurality of lower gears meshing with the lower tooth plate, the driving member drives the lower tooth plate to move horizontally, the lower tooth plate is fixed to a support rod, and the support rod is slidably connected to the outer shell, and a plurality of the lower gears are provided with wind shields, and a plurality of the wind shields are sleeved on the outer sides of a plurality of ventilation racks; the beneficial effects of the utility model: the ventilation rack can serve as a climbing frame for vine plants, and the opening size of the ventilation holes on the ventilation rack can be adjusted by rotating the wind shield, and the rotation speed of the wind shield can be adjusted by the upper gear and the lower gear to achieve different air volume and wind speed regulation.

Description

Technical Field

[0001] The utility model relates to the technical field of vegetable greenhouses, in particular to a greenhouse ventilation bracket. Background Art

[0002] Generally speaking, level three wind (breeze) is most beneficial to the growth and development of crops; at this time, it is beneficial to the supply of carbon substrate for photosynthesis, and the photosynthetically active radiation in the leaf layer is reasonably distributed in the form of flashes, so that the crop group is ventilated and light-permeable, and photosynthesis is maintained at a high level; but the ventilation pipes of the existing greenhouse ventilation devices are usually laid on the roof or around the greenhouse, and it is impossible to simulate the state of natural wind and blow the crops according to the different growth states of the crops.

[0003] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0004] In view of the above-mentioned defects, the purpose of the utility model is to provide a greenhouse ventilation bracket, which can realize different air volume and wind speed adjustment, and can simulate the growth environment of crops in the natural environment according to the growth status and growth time of crops, so that the stems and leaves of crops can sway with the wind, so as to improve photosynthesis and improve the quality and yield of agricultural products.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a greenhouse ventilation bracket, including an outer shell, a main ventilation duct is arranged in the outer shell, and a plurality of ventilation racks are fixedly connected to the main ventilation duct; an air adjustment group is arranged on the outer shell, and the air adjustment group includes a driving member, a lower tooth plate arranged at the output end of the driving member and a plurality of lower gears meshing with the lower tooth plate, the driving member drives the lower tooth plate to move horizontally, the lower tooth plate is fixed to a support rod, and the support rod is slidably connected to the outer shell, and wind shields are arranged on the plurality of lower gears, and the plurality of wind shields are sleeved on the outer sides of the plurality of ventilation racks.

[0006] According to the greenhouse ventilation bracket of the utility model, the driving member is configured as a telescopic member, the telescopic member is fixedly connected to a square plate, the square plate is fixedly connected to an outer shell, and a fixing plate is provided at the output end of the telescopic member.

[0007] According to the greenhouse ventilation bracket of the utility model, an upper tooth plate and a lower tooth plate are fixedly connected to the fixing plate, and a support rod is fixedly connected to the upper tooth plate and the lower tooth plate respectively, the upper tooth plate is meshed with an upper gear, and the upper gear is arranged above the lower gear.

[0008] According to the greenhouse ventilation bracket of the utility model, a cam is abutted against the top of the upper gear, the cam is fixed to the rotating rod, and the rotating rod is screwed to the outer shell through a fixing block.

[0009] According to the greenhouse ventilation bracket of the utility model, a round rod is fixedly connected to the upper gear, and the round rod is penetrated by the outer shell.

[0010] According to the greenhouse ventilation bracket of the utility model, an elastic piece is disposed on the outer cover of the round rod.

[0011] The utility model provides a greenhouse ventilation bracket, including a shell, a main ventilation duct is arranged in the shell, and a plurality of ventilation racks are fixedly connected to the main ventilation duct; an air adjustment group is arranged on the shell, and the air adjustment group includes a driving member, a lower tooth plate arranged at the output end of the driving member, and a plurality of lower gears meshing with the lower tooth plate, the driving member drives the lower tooth plate to move horizontally, the lower tooth plate is fixed to a support rod, and the support rod is slidably connected to the shell, and a plurality of the lower gears are provided with wind shields, and a plurality of the wind shields are sleeved on the outer sides of a plurality of ventilation racks; the beneficial effects of the utility model are: air is supplied to a plurality of ventilation racks through the main ventilation duct Air is supplied in the ventilation racks, and several ventilation holes are provided on several ventilation racks, which can promote gas exchange in the greenhouse, thereby being beneficial to the healthy growth of crops in the greenhouse; at the same time, the ventilation racks can act as climbing racks for vines, and the opening size of the ventilation holes on the ventilation racks can be adjusted by rotating the wind shield, and the rotation speed of the wind shield can be adjusted by the upper gear and the lower gear to achieve different air volumes and wind speeds. According to the growth status and growth time of the crops, the growth environment of the crops in the natural environment can be simulated, so that the stems and leaves of the crops sway with the wind, so as to improve photosynthesis, thereby improving the quality and yield of agricultural products. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0013] Figure 2 This is a schematic diagram of the structure of the air regulating group of the utility model;

[0014] Figure 3 The utility model Figure 2 A schematic cross-sectional structure diagram of ;

[0015] In the figure, 1-housing, 11-fixed block, 12-square plate, 2-telescopic member, 21-fixed plate, 3-lower tooth plate, 4-support rod, 5-main ventilation pipe, 51-ventilation rack, 6-wind shield, 61-lower gear, 62-upper gear, 63-round rod, 7-rotating rod, 71-cam, 8-upper tooth plate. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0017] See also Figures 1 to 3 The utility model provides a greenhouse ventilation bracket, which includes a shell 1, a main ventilation pipe 5 is arranged in the shell 1, and a plurality of ventilation racks 51 are fixedly connected to the main ventilation pipe 5; an air adjustment group is arranged on the shell 1, and the air adjustment group includes a driving member, a lower tooth plate 3 arranged at the output end of the driving member, and a plurality of lower gears 61 meshing with the lower tooth plate 3, the driving member drives the lower tooth plate 3 to move horizontally, the lower tooth plate 3 is fixedly connected to the support rod 4, and the support rod 4 is slidably connected to the shell 1, and a plurality of the lower gears 61 are provided with wind shields 6, and a plurality of the wind shields 6 are sleeved on the outer sides of a plurality of ventilation racks 51; the beneficial effects of the utility model are as follows: through the main The ventilation ducts 5 supply air to a number of ventilation racks 51, and a number of ventilation holes are provided on the ventilation racks 51, which can promote gas exchange in the greenhouse, thereby being beneficial to the healthy growth of crops in the greenhouse; at the same time, the ventilation racks 51 can act as climbing racks for vines, and the opening size of the ventilation holes on the ventilation racks 51 can be adjusted by rotating the wind shield 6. The rotation speed of the wind shield 6 can be adjusted by the upper gear 62 and the lower gear 61 to achieve different air volumes and wind speeds. According to the growth state and growth time of the crops, the growth environment of the crops in the natural environment can be simulated, so that the stems and leaves of the crops sway in the wind, so as to improve photosynthesis, thereby improving the quality and yield of agricultural products.

[0018] See also Figures 1 to 3 Preferably, the driving member of the utility model is set as a telescopic member 2, the telescopic member 2 is fixed to the square plate 12, the square plate 12 is fixed to the shell 1, and the output end of the telescopic member 2 is provided with a fixed plate 21; the telescopic member 2 can drive the fixed plate 21 to move horizontally.

[0019] See also Figures 1 to 3 In addition, an upper tooth plate 8 and a lower tooth plate 3 are fixedly connected to the fixed plate 21 of the utility model, and a support rod 4 is fixedly connected to the upper tooth plate 8 and the lower tooth plate 3 respectively. The upper tooth plate 8 is meshed with an upper gear 62, and the upper gear 62 is arranged above the lower gear 61. The diameter of the upper gear 62 is larger than that of the lower gear 61, and the rotation speed of the windshield 6 can be adjusted.

[0020] See also Figures 1 to 3 Furthermore, a cam 71 is abutted against the top of the upper gear 62 of the utility model, and the cam 71 is fixed to the rotating rod 7, and the rotating rod 7 is screwed to the housing 1 through a fixing block 11; the rotating rod 7 is screwed to a fixing block 11 to control the rotation of the rotating rod 7 to ensure that the maximum diameter or minimum diameter of the cam 71 is in contact with the upper gear 62 respectively.

[0021] See also Figures 1 to 3 Better yet, a round rod 63 is fixedly connected to the upper gear 62 of the utility model, and the round rod 63 is penetrated by the housing 1; an elastic member is disposed on the outer sleeve of the round rod 63, and the elastic member can drive the upper gear 62 to reset.

[0022] Working principle: the main ventilation pipe 5 is laid in the greenhouse, and the main ventilation pipe 5 is fixed in the shell 1 by a clamp, a plurality of ventilation racks 51 are arranged below the main ventilation pipe 5, and a plurality of ventilation holes are arranged on the plurality of ventilation racks 51, and a windshield 6 is sleeved outside the plurality of ventilation racks 51, and an upper gear 62 and a lower gear 61 are arranged on the windshield 6;

[0023] When the wind speed needs to change quickly, the rotating rod 7 is rotated, and the maximum diameter of the cam 71 on the rotating rod 7 abuts against the upper gear 62. At this time, the upper gear 62 is disengaged from the upper tooth plate 8, and the lower gear 61 is meshed with the lower tooth plate 3. The elastic member is forced to contract, and the telescopic member 2 is started to drive the lower tooth plate 3 to move repeatedly in the horizontal direction, which can drive the windshield 6 to rotate quickly.

[0024] When the wind speed needs to change slowly, the rotating rod 7 is controlled to rotate 90° again, and the minimum diameter of the cam 71 on the rotating rod 7 abuts against the upper gear 62. The elastic member drives the upper gear 62 to move upward, and the upper gear 62 engages with the upper tooth plate 8. The lower gear 61 disengages from the lower tooth plate 3, and the telescopic member 2 is started to drive the upper tooth plate 8 to move repeatedly in the horizontal direction, which can drive the wind shield 6 to rotate slowly, thereby realizing the adjustment of wind speed and wind volume.

[0025] In summary, the utility model provides a greenhouse ventilation bracket, including a shell, a main ventilation duct is arranged in the shell, and a plurality of ventilation racks are fixedly connected to the main ventilation duct; an air adjustment group is arranged on the shell, and the air adjustment group includes a driving member, a lower tooth plate arranged at the output end of the driving member, and a plurality of lower gears meshing with the lower tooth plate, the driving member drives the lower tooth plate to move horizontally, the lower tooth plate is fixed to the support rod, and the support rod is slidably connected to the shell, and a plurality of the lower gears are provided with wind shields, and a plurality of the wind shields are sleeved on the outer sides of a plurality of ventilation racks; the beneficial effects of the utility model are: the air is ventilated to the outside of the plurality of ventilation racks through the main ventilation duct Air is supplied in several ventilation racks, and several ventilation holes are arranged on several ventilation racks, which can promote gas exchange in the greenhouse, thereby being beneficial to the healthy growth of crops in the greenhouse; at the same time, the ventilation racks can act as climbing racks for vines, and the opening size of the ventilation holes on the ventilation racks can be adjusted by rotating the wind shield plate, and the rotation speed of the wind shield plate can be adjusted by the upper gear and the lower gear to achieve different air volumes and wind speeds. According to the growth status and growth time of the crops, the growth environment of the crops in the natural environment can be simulated, so that the stems and leaves of the crops sway with the wind, so as to improve photosynthesis, thereby improving the quality and yield of agricultural products.

[0026] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A greenhouse ventilation bracket, characterized in that: It comprises a shell, a main ventilation pipe is arranged in the shell, and a plurality of ventilation racks are fixedly connected to the main ventilation pipe; An air regulating group is arranged on the outer shell, and the air regulating group includes a driving member, a lower tooth plate arranged at the output end of the driving member, and a plurality of lower gears meshing with the lower tooth plate. The driving member drives the lower tooth plate to move horizontally, and the lower tooth plate is fixed to a support rod, and the support rod is slidably connected to the outer shell. Wind shields are arranged on the plurality of lower gears, and the plurality of wind shields are sleeved on the outer sides of a plurality of ventilation racks.

2. The greenhouse ventilation bracket according to claim 1, characterized in that: The driving member is configured as a telescopic member, the telescopic member is fixedly connected to a square plate, the square plate is fixedly connected to a housing, and a fixing plate is disposed at an output end of the telescopic member.

3. The greenhouse ventilation bracket according to claim 2, characterized in that: An upper tooth plate and a lower tooth plate are fixedly connected to the fixing plate, and a support rod is fixedly connected to the upper tooth plate and the lower tooth plate respectively. The upper tooth plate is meshed with an upper gear, and the upper gear is arranged above the lower gear.

4. The greenhouse ventilation bracket according to claim 3, characterized in that: A cam is abutted on the top of the upper gear, the cam is fixed to the rotating rod, and the rotating rod is screwed to the housing through a fixing block.

5. The greenhouse ventilation bracket according to claim 4, characterized in that: A round rod is fixedly connected to the upper gear, and the round rod is penetrated through the outer shell.

6. The greenhouse ventilation bracket according to claim 5, characterized in that: The outer sleeve of the round rod is provided with an elastic piece.

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