Greenhouse rainwater collecting device

Abstract

The utility model relates to the technical field of agricultural greenhouses, and discloses a greenhouse rainwater collecting device which comprises a vertical support and an arc-shaped ceiling, a collecting groove is formed in the side face of the vertical support, the top end face of the collecting groove is open, and a rotating shaft capable of rotating around the axis of the rotating shaft is movably installed on the side inner wall of the collecting groove. A filter screen base is fixedly installed on one side wall face of the rotating shaft, a residue filtering screen is fixedly installed at the free end of the filter screen base, a plurality of filtering holes are formed in the surface of the residue filtering screen, a plurality of reset springs are fixedly installed between the bottom end face of the filter screen base and the vertical support, and the reset springs are bent to be in an arc shape and supported below the filter screen base. And the residue filtering net is obliquely arranged upwards by taking the rotating shaft as the center. According to the utility model, when sundries on the residue filtering net are accumulated to a certain degree, the residue filtering net is pressed to overcome the elastic force of the reset spring to rotate anticlockwise, the residue filtering net forms a downward inclined lower surface, and the sundries are cleaned and discharged under the washing of rainwater along the inclined surface of the residue filtering net without manual cleaning.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural greenhouses, in particular to a rainwater collection device for greenhouses. Background Art

[0002] With the rapid development of agricultural production in China, the application of greenhouses has become increasingly widespread. Greenhouses are not only professional equipment for vegetable cultivation, but also widely used in the cultivation of crops such as flowers, grapes, strawberries, watermelons, and melons. In forestry production, greenhouses are used for tree seedling cultivation and ornamental tree cultivation; in aquaculture, they are used for sericulture, poultry, and aquaculture. Thus, it can be seen that greenhouses have penetrated into all fields of production and have an extremely wide range of applications. They can not only help users significantly increase production, but also be deeply favored by users for their high efficiency and practicality.

[0003] It is worth mentioning that during the use of greenhouses, rainwater collection through reasonable design has become an important task. To ensure the smooth operation of the rainwater collection system, it is necessary to filter the rainwater to prevent sundries from blocking the water pipes, which not only saves water resources, but also improves the comprehensive utilization efficiency of the greenhouses.

[0004] After retrieval, Chinese Patent Publication No. CN204335450U discloses a rainwater collection greenhouse, which includes two vertical frames and an arc-shaped frame at the top of the vertical frames. A water collection trough is arranged along the length direction on the outer edge of the vertical frames. A water collection pool is arranged between the two vertical frames, and the water collection pool is communicated with the water collection trough. The pool mouth position of the water collection pool is higher than the trough mouth position of the water collection trough; a spray pipe is arranged at the bottom of the water collection pool, and a conical nozzle is arranged at the bottom of the spray pipe.

[0005] However, when collecting rainwater in this type of greenhouse, the rainwater trough directly collecting rainwater can cause the water pipes to be blocked by outdoor sundries. In other greenhouse rainwater collection devices equipped with a filter screen, such as a greenhouse rainwater collection device disclosed in Chinese Patent Application No. CN202121304327.X, it is also necessary to rely on a pressure sensor to alarm and use manual labor to regularly clean the filter, which is very inconvenient.

[0006] Therefore, we propose a greenhouse rainwater collection device. Summary of the Utility Model

[0007] The main purpose of the utility model is to solve the technical problems existing in the above-mentioned prior art and provide a greenhouse rainwater collection device.

[0008] To achieve the above object, the present utility model adopts the following technical solutions. A rainwater collection device for a greenhouse includes a vertical support and an arc-shaped ceiling. A collection groove is provided on the side surface of the vertical support. The top surface of the collection groove is open. A rotating shaft that can rotate around its own axis is movably installed on the inner side wall of the collection groove. A filter screen base is fixedly installed on one side wall surface of the rotating shaft. A filter residue net is fixedly installed at the free end of the filter screen base. A plurality of filter holes are provided on the surface of the filter residue net. A plurality of reset springs are fixedly installed between the bottom end surface of the filter screen base and the vertical support. The reset springs are bent into an arc shape to support below the filter screen base, so that the filter residue net is arranged obliquely upward with the rotating shaft as the center.

[0009] Preferably, a storage groove is formed on the side wall surface of the collection groove facing the rotating shaft. The storage groove is an arc-shaped groove centered on the rotating shaft. A stopper is fixedly installed at the free end of the filter residue net. The stopper is an arc-shaped groove centered on the rotating shaft. The radii of the storage groove and the stopper are the same. When the filter residue net is in the obliquely upward state, a part of the stopper is located in the storage groove.

[0010] Preferably, a cleaning plate is fixedly installed on the side wall of the collection groove. Cleaning spikes are provided on the surface of the cleaning plate corresponding to the filter holes of the filter residue net.

[0011] Preferably, a mounting bracket for connecting the collection groove and the vertical support is integrally formed on the side wall surface of the collection groove. The horizontal height of the side wall of the mounting bracket corresponding to the filter residue net is higher than the horizontal height of the filter residue net, so that the mounting bracket and the filter residue net form a filtering space that can accommodate rainwater containing impurities.

[0012] Preferably, the horizontal height of the top of the side wall surface of the collection groove facing the rotating shaft is lower than the horizontal height of the rotating shaft, and the distance between the midline of the side wall surface of the collection groove facing the rotating shaft and the rotating shaft is the same as the distance between the free end of the filter residue net and the rotating shaft.

[0013] Preferably, a sealing patch is bonded to the top end surface of the filter screen base. The sealing patch is made of rubber material. The other end surface of the sealing patch is closely attached to the vertical support under the action of its own elasticity.

[0014] Preferably, a guiding strip is provided above the collection groove. Both ends of the guiding strip are fixed on the mounting bracket. The guiding strip is made of a flexible material and an inclined surface inclined towards the filter residue net is provided on the top end surface.

[0015] Preferably, the filter residue net is made of plastic material.

[0016] Beneficial effects

[0017] The present utility model provides a rainwater collection device for a greenhouse. It has the following beneficial effects:

[0018] (1) This kind of rainwater collection device for greenhouse filters the rainwater containing debris through a slag filter net inclined upwards. The debris gradually accumulates on the slag filter net. After the relatively clean rainwater falls into the collection tank, it is drained to a suitable position through a water diversion pipe, reducing the occurrence of blockage of the water diversion pipe.

[0019] (2) In this kind of rainwater collection device for greenhouse, when the debris on the slag filter net accumulates to a certain extent, it presses the slag filter net to rotate counterclockwise against the elastic force of the return spring. At this time, the slag filter net forms a downward-inclined bottom surface. The debris flows downward under the scouring of rainwater along the inclined surface of the slag filter net, and the debris is cleaned and discharged without manual cleaning.

[0020] (3) In this kind of rainwater collection device for greenhouse, when it is not raining usually, the baffle blocks the opening between the collection tank and the slag filter net, preventing debris such as leaves from entering the collection tank and bypassing the slag filter net to block the collection tank and the water diversion pipe.

[0021] (4) In this kind of rainwater collection device for greenhouse, when the slag filter net is inclined downward, the cleaning thorn punctures the filter holes of the slag filter net from below to clean the debris caked on the slag filter net, enabling the slag filter net to filter normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings described below are only exemplary. For those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained based on the provided drawings.

[0023] The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limited conditions for the implementation of the present invention. Therefore, they do not have technical essence. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention.

[0024] Figure 1 It is a three-dimensional structure schematic diagram of the present invention;

[0025] Figure 2 It is a partial cross-sectional view of the collection tank of the present invention;

[0026] Figure 3 It is a side view of another collection tank of the present invention;

[0027] Figure 4 It is a three-dimensional schematic diagram of yet another collection tank of the present invention.

[0028] Legend Explanation:

[0029] 1. Vertical support; 2. Arc-shaped ceiling; 3. Collection trough; 4. Mounting frame; 5. Rotating shaft; 6. Filter screen base; 7. Filter residue screen; 8. Return spring; 9. Sealing patch; 10. Guide strip; 11. Storage groove; 12. Stopper; 13. Cleaning plate; 14. Cleaning spikes; 15. Water diversion pipe. Detailed Implementation Manner

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] A greenhouse rainwater collection device, as Figures 1 - 4 shown, includes a vertical support 1 and an arc-shaped ceiling 2. The vertical support 1 and the arc-shaped ceiling 2 are existing structures that support the greenhouse. A thin film material is covered on the vertical support 1 and the arc-shaped ceiling 2 to form a greenhouse. Since the arc-shaped ceilings 2 are arranged at intervals, when it rains, it is easy to generate depressions between the two arc-shaped ceilings 2, causing the greenhouse film to deform and affecting its service life. At the same time, when the rainwater flows from both sides of the greenhouse, it will impact the soil used to fix the vertical support 1, making the foundation of the vertical support 1 unstable. Therefore, it is necessary to collect and guide the rainwater. However, in the outdoor environment, sundries such as dust, soil, and leaves will accumulate in the rainwater collection device, causing the water pipe to be blocked and affecting the use.

[0032] Therefore, in this embodiment, a collection groove 3 is provided on the side surface of the vertical support 1. The top surface of the collection groove 3 is open to form a rainwater container. An installation frame 4 is integrally formed on the side wall surface of the collection groove 3. The collection groove 3 is fixed to the side wall surface of the vertical support 1 through the installation frame 4. A rotating shaft 5 that can rotate around its own axis is movably installed on the inner side wall of the collection groove 3. The rotating shaft 5 is a circular long rod. A filter base 6 is fixedly installed on the side wall surface of the rotating shaft 5. The filter base 6 is a rectangular plate. A filter residue net 7 is fixedly installed at the free end of the filter base 6. The filter residue net 7 is a rectangular plate with a plurality of filter holes on its surface. In this embodiment, the filter residue net 7 is made of plastic material to reduce metal rust pollution. A plurality of return springs 8 are fixedly installed between the bottom end surface of the filter base 6 and the vertical support 1. In this embodiment, the return springs 8 are bent into an arc shape and support below the filter base 6, so that the filter residue net 7 is inclined upward with the rotating shaft 5 as the center. When rainwater flows from the top of the greenhouse to both sides, it first passes through the filter residue net 7. Because the filter residue net 7 is inclined upward, the sundries mixed in the rainwater will first fall on the filter residue net 7. At this time, the sundries remain at the upper end of the filter residue net 7. The rainwater passes through the filtration of the filter residue net 7 and falls into the collection groove 3 to be collected. Particularly, as the accumulated sundries gradually increase, the weight of the sundries at the top of the filter residue net 7 increases until it overcomes the elastic force of the return spring 8 and compresses the filter residue net 7 to rotate counterclockwise with the rotating shaft 5 as the center. At this time, the sundries above the filter residue net 7 can be cleaned by the downward slope of the filter residue net 7 under the scouring of rainwater. It can not only filter the sundries in the rainwater, but also automatically clean the sundries, reducing the labor intensity of manually cleaning the rainwater collection device.

[0033] Further, the horizontal height of the side wall of the installation frame 4 corresponding to the filter residue net 7 is higher than the horizontal height of the filter residue net 7, so that the installation frame 4 and the filter residue net 7 form a filtering space that can accommodate rainwater containing sundries.

[0034] Further, the horizontal height of the top of the side wall surface of the collection groove 3 facing the rotating shaft 5 is lower than the horizontal height of the rotating shaft 5, and the distance between the midline of the side wall surface of the collection groove 3 facing the rotating shaft 5 and the rotating shaft 5 is the same as the distance between the free end of the filter residue net 7 and the rotating shaft 5. Thus, when the filter residue net 7 rotates counterclockwise, it can support the filter residue net 7 to form a stable inclined plane.

[0035] In order to ensure that the sundries will not bypass the lowest point of the filter residue net 7 when the filter residue net 7 is inclined upward, a sealing patch 9 is bonded to the top end surface of the filter base 6. The sealing patch 9 is an elastic piece made of rubber material. It is bent and arranged between the top end of the filter base 6 and the vertical support 1. The other end surface of the sealing patch 9 is closely attached to the vertical support 1 under the action of its own elastic force. When the rainwater containing sundries flows to the sealing patch 9, it is blocked by the sealing patch 9 and cannot bypass the rotating shaft 5 and fall into the collection groove 3.

[0036] Furthermore, a guiding strip 10 is arranged above the collection groove 3. Both ends of the guiding strip 10 are fixed on the mounting rack 4. The guiding strip 10 is made of flexible material and its top surface is provided with an inclined surface that slopes towards the filter residue net 7. After guiding the rainwater through the guiding strip 10, it first flows towards the filter residue net 7. When the guiding strip 10 and the collection groove 3 are installed, they are both attached to the outside of the greenhouse film.

[0037] In another embodiment, as Figure 3 shown, a storage groove 11 is formed on the side wall surface of the collection groove 3 facing the rotating shaft 5. The storage groove 11 is an arc-shaped groove centered on the rotating shaft 5. A blocking block 12 is fixedly installed at the free end of the filter residue net 7. The blocking block 12 is an arc-shaped groove centered on the rotating shaft 5. The radii of the storage groove 11 and the blocking block 12 are the same. When the filter residue net 7 is in an inclined upward state, a part of the blocking block 12 is located in the storage groove 11. At this time, the collection groove 3, the mounting rack 4, the filter residue net 7 and the blocking block 12 form a relatively sealed space, reducing the chance of leaves and dust entering the collection groove 3 through the gap between the filter residue net 7 and the collection groove 3, and further reducing the occurrence of the rainwater collection device being blocked.

[0038] In other embodiments, as Figure 4 shown, after long-term use, the surface of the filter residue net 7 will produce a phenomenon of hardening due to dust mixed with branches and fluff. During the next rainfall, it cannot be filtered normally. Therefore, a cleaning plate 13 is fixedly installed on the side wall of the collection groove 3. Cleaning spikes 14 are arranged on the surface of the cleaning plate 13 corresponding to the filter holes of the filter residue net 7. The cleaning plate 13 can be a plate-like structure, but there are gaps between the cleaning plate 13 and the other inner walls of the collection groove 3 to allow the rainwater to flow through smoothly, or the cleaning plate 13 is a toothed structure composed of multiple rectangular strips to provide support for the existence of the cleaning spikes 14 and at the same time does not affect the rainwater flowing into the collection groove 3. The cleaning spikes 14 can be plastic spikes. When the filter residue net 7 is inclined downward, it pierces the filter residue net 7 to break the hardened debris and allow the rainwater to be filtered smoothly.

[0039] Furthermore, the cleaning plate 13 is inclined to enable the cleaning spikes 14 to better fit the filter residue net 7 for piercing.

[0040] Furthermore, water diversion pipes 15 are fixedly installed at both ends of the collection groove 3 to divert the rainwater to a suitable position near the ground.

[0041] Working principle of the utility model: Before the installation of this device, the greenhouse film is first laid completely. Then, the mounting frame 4 is snap-connected to the side of the vertical support 1, and the guiding strip 10 and the collecting groove 3 are closely attached to the greenhouse film. When the rainwater on the greenhouse flows from the top of the greenhouse to both sides, it first passes through the guiding strip 10 and flows along the inclined surface of the guiding strip 10 towards the filter residue net 7. The rainwater containing sundries is filtered by the filter residue net 7 inclined upwards, and the sundries gradually accumulate on the filter residue net 7. After the relatively clean rainwater falls into the collecting groove 3, it is drained to a suitable position through the water guiding pipe 15, reducing the occurrence of the water guiding pipe 15 being blocked.

[0042] When the sundries on the filter residue net 7 accumulate to a certain extent, they press the filter residue net 7 to rotate counterclockwise against the elastic force of the return spring 8. At this time, the filter residue net 7 forms an inclined surface sloping downwards, and the sundries flow down along the inclined surface of the filter residue net 7 under the scouring of the rainwater, and the sundries are cleaned and discharged.

[0043] When there is no rain usually, the stop block 12 blocks the opening between the collecting groove 3 and the filter residue net 7 to prevent sundries such as leaves from entering the collecting groove 3 and blocking the collecting groove 3 and the water guiding pipe 15 by bypassing the filter residue net 7.

[0044] When the filter residue net 7 is inclined downwards, the cleaning thorn 14 punctures the filtering holes of the filter residue net 7 from below to clean the sundries caked on the filter residue net 7, enabling the filter residue net 7 to filter normally.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection claimed by the utility model is defined by the appended claims and their equivalents.

Claims

1. A greenhouse rainwater collection device, comprising a vertical support (1) and an arc-shaped ceiling (2), characterized in that: A collection groove (3) is provided on the side surface of the vertical support (1). The top surface of the collection groove (3) is open. A rotating shaft (5) that can rotate around its own axis is movably installed on the inner side wall of the collection groove (3). A filter screen base (6) is fixedly installed on one side wall surface of the rotating shaft (5). A filter residue screen (7) is fixedly installed at the free end of the filter screen base (6). A number of filter holes are provided on the surface of the filter residue screen (7). A number of return springs (8) are fixedly installed between the bottom end surface of the filter screen base (6) and the vertical support (1). The return springs (8) are bent into an arc shape and support below the filter screen base (6), so that the filter residue screen (7) is arranged obliquely upward with the rotating shaft (5) as the center.

2. The rainwater collection device for greenhouse according to claim 1, characterized in that: A storage groove (11) is formed on the side wall surface of the collection groove (3) facing the rotating shaft (5). The storage groove (11) is an arc-shaped groove with the rotating shaft (5) as the center. A stopper (12) is fixedly installed at the free end of the filter residue screen (7). The stopper (12) is an arc-shaped groove with the rotating shaft (5) as the center. The radii of the storage groove (11) and the stopper (12) are the same. When the filter residue screen (7) is in the obliquely upward state, a part of the stopper (12) is located in the storage groove (11).

3. The rainwater collection device for a greenhouse according to claim 1, characterized in that: A cleaning plate (13) is fixedly installed on the side wall of the collection groove (3). Cleaning spikes (14) are provided on the surface of the cleaning plate (13) corresponding to the positions of the filter holes of the filter residue screen (7).

4. The rainwater collection device for greenhouse according to claim 1, wherein: An installation frame (4) for connecting the collection groove (3) and the vertical support (1) is integrally formed on the side wall surface of the collection groove (3). The horizontal height of the side wall of the installation frame (4) corresponding to the filter residue screen (7) is higher than the horizontal height of the filter residue screen (7), so that the installation frame (4) and the filter residue screen (7) form a filtering space that can accommodate rainwater containing impurities.

5. The rainwater collection device for greenhouse according to claim 1, characterized in that: The horizontal height of the top of the side wall surface of the collection groove (3) facing the rotating shaft (5) is lower than the horizontal height of the rotating shaft (5), and the distance between the center line of the side wall surface of the collection groove (3) facing the rotating shaft (5) and the rotating shaft (5) is the same as the distance between the free end of the filter residue screen (7) and the rotating shaft (5).

6. The greenhouse rainwater collection device according to claim 1, wherein: A sealing patch (9) is bonded to the top end surface of the filter screen base (6). The sealing patch (9) is made of rubber material. The other end surface of the sealing patch (9) is closely attached to the vertical support (1) under the action of its own elasticity.

7. The rainwater collection device for greenhouse according to claim 1, wherein: A guiding strip (10) is provided above the collection groove (3). Both ends of the guiding strip (10) are fixed on the installation frame (4). The guiding strip (10) is made of a flexible material and an inclined surface inclined towards the filter residue screen (7) is provided on the top end surface.

8. The rainwater collection device for greenhouse according to claim 1, wherein: The filter residue screen (7) is made of plastic material.

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