Rainwater collecting device

Abstract

The utility model discloses a rainwater collecting device which comprises a collecting box, a drainage pipe is arranged on the lower portion of the side wall of the collecting box, the upper portion of the side wall of the collecting box is communicated with a water storage tank through a connecting pipe, and a filter screen and an adjusting mechanism are installed in the middle of the interior of the collecting box. The adjusting mechanism comprises a motor, a threaded rod, a sleeve, a top plate, a supporting rod, a first sliding block, a first sliding strip and a connecting ring, impurities in initial rainwater are filtered through the filter screen, then the impurities are discharged through the drainage pipe, and after a period of time or a certain amount of water is discharged, the filter screen is closed through matched use of the adjusting mechanism, so that the rainwater can be discharged; and later rainwater enters the water storage tank through the connecting pipe to be stored, so that initial rainwater is prevented from being collected, and the pollution of the collected rainwater is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to rainwater collection technical field, concretely is a rainwater collection device. BACKGROUND

[0002] Rainwater as a free resource, used in industrial, greening and other fields can reduce the demand of municipal water supply, save family and enterprise expenditure.

[0003] Through the search, China patent discloses a kind of rainwater automatic collection water storage device (CN219690637U), by baffle inclination setting, form intermittent hollow narrow slit area, facilitate realization rainwater enters and fallen leaf shelter, by setting ball and circular groove, realize baffle inclination angle adjustment, realize according to rainfall adjustment, by setting U plate, filter plate is placed in U plate, facilitate realization rainwater impurity filtration, if using this rainwater automatic collection water storage device, initial rainwater will be mixed together with mid-term rainwater by U plate, since initial rainwater contains a large amount of dissolved gas in air, suspended solids, heavy metals and bacteria and other pollutants, its water quality is often poor, it can lead to deterioration of overall water quality, by the filter screen of drain pipe, subsequent treatment is also needed, increase the cost and difficulty of subsequent processing, for this purpose, we propose a kind of rainwater collection device. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the present application is that initial rainwater cannot be filtered, and if rainwater is directly collected, rainwater containing initial dissolved atmospheric pollutants can be collected. To solve the above technical problems, the utility model provides a rainwater collection device.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rainwater collection device, comprising a collection tank, a drain pipe is formed in the lower part of the side wall of the collection tank, the upper part of the side wall of the collection tank is communicated with a water storage tank through a connecting pipe,

[0007] The middle part of the collecting box is provided with a filter screen, the bottom of the filter screen is provided with a motor, the motor is connected with an external switch wire, a threaded rod above the filter screen penetrates the filter screen and is connected with a motor shaft, a sleeve is arranged on the outer side of the threaded rod, a top plate is rotatably arranged on the top end of the sleeve, a plurality of connecting pieces are arranged on the bottom or edge of the top plate in a circumferential direction, each connecting piece is hingedly connected with the top end of a corresponding supporting rod, a first sliding block is hingedly arranged on the bottom end of the supporting rod, the adjacent supporting rods are connected through a waterproof connecting layer, a plurality of first sliding strips are arranged in the inner cavity of the collecting box, the first sliding strips are in one-to-one correspondence with the first sliding blocks, the first sliding blocks are slidably connected with the upper side of the corresponding first sliding strips, one end of each first sliding strip is connected with a connecting ring, and the other end of each first sliding strip is connected with the inner wall of the collecting box, the connecting ring is arranged on the outer side of the threaded rod and does not contact the threaded rod and the sleeve, and the horizontal height of the first sliding strip is lower than that of the connecting pipe.

[0008] The water outlet pipe of the anti-overflow valve extends downward to the output port at the lower part of the water storage tank and is in communication with one end of the water outlet pipe, and the other end of the water outlet pipe is connected with the lower part of the side wall of the collecting box.

[0009] The top plate is provided on the top of the water storage tank, and a drain pipe is arranged on the top plate.

[0010] The diameter of the drain pipe is larger than that of the water outlet pipe.

[0011] The anti-overflow valve is a floating ball anti-overflow valve.

[0012] The bottom of the first sliding block penetrates the corresponding first sliding strip and is connected with the top end of the fixed rod, the bottom end of the fixed rod is provided with a second sliding block, a second sliding strip is arranged between each first sliding strip and the filter screen in the inner part of the collecting box, the bottom end of the second sliding block is slidably connected with the upper side of the second sliding strip, and the adjacent fixed rods are connected through an elastic connecting layer.

[0013] A plurality of fixed boxes are arranged on the outer wall of the collecting box in a circumferential direction, the horizontal height of the top part of the fixed box is lower than that of the connecting pipe, and a sewage outlet is arranged on the collecting box and is attached to the fixed box.

[0014] The inside of the fixed box is inserted with a storage box, the sewage outlet is in communication with the storage box, and the horizontal height of the sewage outlet is higher than that of the upper opening of the storage box.

[0015] The cross section of the collecting box is rectangular, the threaded rod coincides with the central axis of the collecting box, and the first sliding strip coincides with the diagonal line in the inner part of the collecting box.

[0016] The elastic connecting layer is made of rubber.

[0017] The waterproof connecting layer is made of PVC.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] Through the filter screen, the impurities in the initial rainwater are filtered, and then discharged through the drain pipe, after a period of time or a certain amount of water is discharged, through the cooperation of the motor, the threaded rod, the sleeve, the top plate, the support rod, the first sliding block, the first sliding strip and the connecting ring, the waterproof connecting layer is driven to expand and close the filter screen, so that the later rainwater enters the water storage tank through the connecting pipe for storage, thereby avoiding the collection of the initial rainwater and reducing the pollution of the collected rainwater. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic view of the utility model embodiment 1;

[0021] Figure 2 It is the inside structure section view of the utility model embodiment 1 collection tank and water storage tank;

[0022] Figure 3 It is the motor and filter screen connection structure schematic view of the utility model;

[0023] Figure 4 It is the structure top view of the threaded rod of the utility model;

[0024] Figure 5 It is the threaded rod, connecting ring, first sliding strip and collection tank part structure schematic view of the utility model;

[0025] Figure 6 It is the support rod expansion effect drawing of the utility model;

[0026] Figure 7 It is the inside structure section view of the utility model embodiment 2 part collection tank, fixed box and storage box;

[0027] Figure 8 It is the whole structure schematic view of the utility model embodiment 2.

[0028] In the drawing: 1-collection tank;2-drain pipe;3-connecting pipe;4-water storage tank;5-overflow prevention assembly;6-filter screen;7-adjusting mechanism;8-overflow prevention valve;9-outlet pipe;10-drain pipe;11-motor;12-threaded rod;13-sleeve;14-top plate;15-support rod;16-waterproof connecting layer;17-first sliding block;18-first sliding strip;19-connecting ring;20-fixed rod;21-elastic connecting layer;22-second sliding block;23-second sliding strip;24-fixed box;25-storage box;26-drainage opening. DETAILED DESCRIPTION

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1

[0031] A rainwater harvesting device, such as Figures 1-6 As shown, the system includes a collection box 1, a drain pipe 2 on the lower part of the side wall of the collection box 1, and a water storage tank 4 connected to the upper part of the side wall of the collection box 1 via a connecting pipe 3. The top of the water storage tank 4 is provided with a cover plate to prevent rainwater in the water storage tank 4 from being contaminated. A drain pipe 10 is provided on the cover plate to collect rainwater collected in the water storage tank 4. An overflow prevention component 5 is provided in the water storage tank 4. The overflow prevention component 5 includes an overflow prevention valve 8 installed inside the water storage tank 4. The outlet pipe of the overflow prevention valve 8 extends downward to the output port at the lower part of the water storage tank 4 and is connected to one end of an outlet pipe 9. The other end of the outlet pipe 9 is connected to the lower part of the side wall of the collection box 1. In this embodiment, the overflow valve 8 is a float overflow valve. The float overflow valve relies on the rise and fall of the float to control the opening and closing of the valve. When the water level is low, the float in the float overflow valve closes the valve, thereby closing the channel between the overflow valve 8 and the outlet pipe 9. When the water tank 4 reaches a certain water level and rainwater continues to enter the water tank 4, the float of the float overflow valve rises, thereby opening the valve and opening the channel between the overflow valve 8 and the outlet pipe 9. This allows the rainwater in the water tank 4 that exceeds the water level of the overflow valve 8 to flow into the collection tank 1 through the outlet pipe 9 and be discharged from the drain pipe 2.

[0032] A filter screen 6 is installed in the middle of the inner cavity of the collection box 1. The filter screen 6 filters out impurities in the initial rainwater to prevent impurities in the initial rainwater from clogging the drain pipe 2. The initial rainwater is filtered and discharged by the drain pipe 2 and the filter screen 6.

[0033] Further, the inner cavity of the collecting box 1 is also provided with an adjusting mechanism 7 cooperating with the adjusting mechanism 7 to close the filter screen 6, so as to collect the rainwater in the middle and late stages, so as to realize the collection of rainwater without initial sewage. The adjusting mechanism 7 comprises a motor 11 mounted at the bottom of the filter screen 6, the motor 11 is connected with an external switch wire, the opening and closing of the motor 11 is controlled by the external switch, a threaded rod 12 above the filter screen 6 penetrates downwardly through the filter screen 6 and is connected with the shaft of the motor 11, a sleeve 13 is arranged on the outer side of the threaded rod 12, a top plate 14 is rotatably arranged at the top end of the sleeve 13, a plurality of connecting pieces are arranged at the bottom or the edge of the top plate 14 in the circumferential direction, each connecting piece is hingedly connected with the top end of a corresponding supporting rod 15, in the embodiment, the threaded rod 12 coincides with the central axis of the collecting box 1, the bottom of the top plate 14 is hingedly connected with four supporting rods 15, the bottom end of each supporting rod 15 is hingedly connected with a first sliding block 17, the adjacent supporting rods 15 (including the top end and the bottom end of the supporting rod 15) are connected through a waterproof connecting layer 16, the waterproof connecting layer 16 is made of PVC material and has waterproof performance, when the waterproof connecting layer 16 is unfolded, it can isolate rainwater.

[0034] A plurality of first sliding rods 18 are arranged in the inner cavity of the collecting box 1, the first sliding rods 18 correspond to the first sliding blocks 17 one by one, four first sliding rods 18 are arranged in the embodiment, the first sliding block 17 is slidably connected with the upper side of the corresponding first sliding rod 18, one end of each first sliding rod 18 is connected with a connecting ring 19, the other end of each first sliding rod 18 is connected with the inner wall of the collecting box 1, the connecting ring 19 is arranged on the outer side of the threaded rod 12, and the connecting ring 19 does not contact with the threaded rod 12 and the sleeve 13, in the embodiment, the cross section of the collecting box 1 is rectangular, and the four first sliding rods 18 all coincide with the diagonal lines in the interior of the collecting box 1. The horizontal height of the first sliding rod 18 is lower than the horizontal height of the connecting pipe 3. The adjusting mechanism 7 adopts a structure similar to an umbrella, which is small in size after being folded, and is suitable for scenes with limited space. The curved structure reduces the accumulation of impurities.

[0035] The aperture of the drain pipe 2 is greater than or equal to the aperture of the water outlet pipe 9, so as to quickly drain the excess rainwater.

[0036] After the initial rainwater enters the collecting box 1, it is filtered through the filter screen 6 and drained from the drain pipe 2, after a period of time or a certain amount of rainwater is drained, the staff starts the motor 11 through the external switch, the motor 11 drives the threaded rod 12 to rotate, the threaded rod 12 drives the sleeve 13 to rotate and move downwardly, the sleeve 13 drives the top plate 14 to move downwardly, the top plate 14 drives the top end of the supporting rod 15 to move downwardly, the supporting rod 15 drives the first sliding block 17 to slide on the first sliding rod 18 in the direction away from the connecting ring 19, the supporting rod 15 is limited by the first sliding block 17 to expand, drives the waterproof connecting layer 16 to expand, and the waterproof connecting layer 16 expands to close the collecting box 1, so that the rainwater enters the water storage tank 4 through the connecting pipe 3.

[0037] Embodiment 2

[0038] A rainwater collecting device, as Figures 7-8 As shown in the figure, the embodiment is based on the embodiment 1, and provides another technical scheme: the bottom of the first sliding block 17 passes through the corresponding first sliding bar 18 and is connected with the top end of the fixed rod 20, the bottom end of the fixed rod 20 is installed with the second sliding block 22, the second sliding bar 23 is correspondingly arranged below each first sliding bar 18 in the inside of the collecting box 1, four second sliding bars 23 are installed in the inside of the collecting box 1 in the embodiment, the second sliding bar 23 is located between the first sliding bar 18 and the filter screen 6, the bottom end of the second sliding block 22 is slidably connected with the upper side of the second sliding bar 23, the adjacent fixed rods 20 (including the top and bottom of the fixed rod 20) are connected through the elastic connecting layer 21, and the elastic connecting layer 21 is made of rubber material;

[0039] A plurality of fixed boxes 24 are installed on the outer wall of the collecting box 1 in the circumferential direction, four fixed boxes 24 are installed on the outer wall of the collecting box 1 in the circumferential direction in the embodiment, the horizontal height of the top of the fixed box 24 is lower than the horizontal height of the connecting pipe 3, the sewage outlet 26 is arranged on the collecting box 1 and is attached to the fixed box 24, the storage box 25 is inserted into the inside of the fixed box 24, the sewage outlet 26 is communicated with the storage box 25, the horizontal height of the sewage outlet 26 is higher than the horizontal height of the upper opening of the storage box 25, when the first sliding block 17 slides away from the connecting ring 19, the fixed rod 20 and the second sliding block 22 are driven to slide, the elastic connecting layer 21 is unfolded and moves to the sewage outlet 26, the impurities filtered by the filter screen 6 are driven to enter the storage box 25 from the sewage outlet 26, the storage box 25 is extracted, and the impurities can be treated, so that the filter screen 6 is prevented from being blocked. When the impurities in the storage box 25 are relatively more, the storage box 25 can be extracted from the fixed box 24 for cleaning.

[0040] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model.

Claims

1. A rainwater harvesting device comprising a collection tank (1) characterised in that: The lower part of the side wall of the collecting box (1) is provided with a drain pipe (2), and the upper part of the side wall of the collecting box (1) is communicated with a water storage box (4) through a connecting pipe (3), A filter screen (6) is arranged in the middle of the collecting box (1), the bottom of the filter screen (6) is provided with a motor (11), the motor (11) is connected with an external switch wire, a threaded rod (12) above the filter screen (6) penetrates the filter screen (6) downward and is connected with the shaft of the motor (11), a sleeve (13) is arranged on the outer side of the threaded rod (12), a top plate (14) is rotatably arranged on the top end of the sleeve (13), a plurality of connecting pieces are arranged on the bottom or the edge of the top plate (14) in a circumferential direction, each connecting piece is hingedly connected with the top end of a corresponding supporting rod (15), a first sliding block (17) is hingedly arranged on the bottom end of the supporting rod (15), the adjacent supporting rods (15) are connected through a waterproof connecting layer (16), a plurality of first sliding rods (18) are arranged in the inner cavity of the collecting box (1), the first sliding rods (18) are in one-to-one correspondence with the first sliding blocks (17), the first sliding blocks (17) are slidably connected with the upper sides of the corresponding first sliding rods (18), one end of each first sliding rod (18) is connected with a connecting ring (19), the other end of each first sliding rod (18) is connected with the inner wall of the collecting box (1), the connecting ring (19) is sleeved on the outer side of the threaded rod (12), and the connecting ring (19) does not contact the threaded rod (12) and the sleeve (13), and the horizontal height of the first sliding rod (18) is lower than that of the connecting pipe (3).

2. The rainwater harvesting apparatus of claim 1, wherein: An anti-overflow valve (8) is arranged in the water storage box (4), a water outlet pipe of the anti-overflow valve (8) extends downward to an output port in the lower part of the water storage box (4) and is communicated with one end of a water outlet pipe (9), and the other end of the water outlet pipe (9) is connected with the lower part of the side wall of the collecting box (1).

3. The rainwater harvesting apparatus of claim 1, wherein: A cover plate is arranged on the top of the water storage box (4), and a drain pipe (10) is arranged on the cover plate.

4. The rainwater harvesting apparatus of claim 2, wherein: The diameter of the drain pipe (2) is larger than that of the water outlet pipe (9).

5. The rainwater harvesting apparatus of claim 2, wherein: The anti-overflow valve (8) is a floating ball anti-overflow valve.

6. The rainwater harvesting apparatus of claim 5, wherein: The bottom of the first sliding block (17) penetrates the corresponding first sliding rod (18) and is connected with the top end of a fixed rod (20), a second sliding block (22) is arranged on the bottom end of the fixed rod (20), a second sliding rod (23) is arranged between each first sliding rod (18) and the filter screen (6) in the inner part of the collecting box (1), the bottom end of the second sliding block (22) is slidably connected with the upper side of the second sliding rod (23), and the adjacent fixed rods (20) are connected through an elastic connecting layer (21); A plurality of fixed boxes (24) are arranged on the outer wall of the collecting box (1) in a circumferential direction, the horizontal height of the top of the fixed box (24) is lower than that of the connecting pipe (3), and a sewage outlet (26) is arranged on the collecting box (1) and is attached to the fixed box (24).

7. The rainwater harvesting apparatus of claim 6, wherein: A storage box (25) is inserted into the fixed box (24), the sewage outlet (26) is communicated with the storage box (25), and the horizontal height of the sewage outlet (26) is higher than that of the upper opening of the storage box (25).

8. The rainwater harvesting apparatus of claim 6, wherein: The cross section of the collecting box (1) is rectangular, the threaded rod (12) coincides with the central axis of the collecting box (1), and the first sliding strip (18) coincides with the diagonal line inside the collecting box (1).

9. The rainwater harvesting device of claim 6, wherein: The elastic connecting layer (21) is made of rubber.

10. The rainwater harvesting device of claim 6, wherein: The waterproof connecting layer (16) is made of PVC.

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