Rainwater recycling pretreatment device

Abstract

The utility model provides a rainwater recycling pretreatment device, which relates to the technical field of rainwater recycling and comprises a trapezoidal box, an annular groove is arranged on the inner wall of the trapezoidal box, a filter frame is embedded in the annular groove, and a filter screen is fixedly connected inside the filter frame and close to the bottom. Inclined plates are fixedly connected to the positions, close to the centers of the two ends, of the top of the filtering frame, grooves are formed in the positions, close to the centers of the two ends, of the top of the trapezoidal box, U-shaped plates are embedded in the grooves, and fixing rods are fixedly connected to the interiors of the U-shaped plates. When the filter screen in the trapezoid box is damaged, the filter frame can be pulled out by holding the fixing rod, the effect of conveniently taking out the filter screen can be achieved, the effect of conveniently replacing the filter screen can be achieved, the top of the trapezoid box is covered with the fixing frame and the screen plate, and therefore the filter screen can be conveniently replaced. And large objects or impurities can be prevented from entering the trapezoidal box, so that the effect of pretreating the rainwater can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rainwater recycling, in particular to a rainwater recycling pretreatment device. Background Art

[0002] As the contradiction between water supply and demand becomes increasingly serious, more and more countries have realized the value of rainwater resources and have taken many corresponding measures to comprehensively utilize rainwater according to local conditions.

[0003] Existing rainwater recycling pretreatment devices usually need to use filter plates to filter foreign particles in rainwater, and the filter plates are usually directly fixed inside the device, which is inconvenient to replace and disassemble. Therefore, a rainwater recycling pretreatment device is needed to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that rainwater recovery pretreatment devices usually need to use filter plates to filter foreign particles in rainwater, and the filter plates are usually directly fixed inside the device, making it inconvenient to replace and disassemble them, and a rainwater recovery pretreatment device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rainwater recovery pretreatment device, comprising a trapezoidal box, an annular groove is provided on the inner wall of the trapezoidal box, a filter frame is embedded in the inside of the annular groove, a filter screen is fixedly connected to the inside of the filter frame and near the bottom, an inclined plate is fixedly connected to the top of the filter frame and near the center of both ends, a groove is provided at the top of the trapezoidal box and near the center of both ends, a U-shaped plate is embedded in the inside of the groove, a fixing rod is fixedly connected to the inside of the U-shaped plate, a fixing frame is provided at the top of the trapezoidal box, a mesh plate is fixedly connected to the inside of the fixing frame, square grooves are provided at the top of the trapezoidal box and near the center of both sides, a clamp and a rotating plate are respectively provided inside the square groove, the top of the clamp and the rotating plate are fixedly connected to the bottom of the fixing frame, and the bottom of the trapezoidal box is fixed and connected to a bottom cover.

[0006] Preferably, the inner wall of the filter frame is chamfered near the top, and the inclined plate is in contact with the inner wall of the trapezoidal box.

[0007] Preferably, a handle is fixedly connected to the top of the fixing frame and close to the center of one side.

[0008] Preferably, the clamping member is snap-connected to the inner wall of the square groove, and the two ends of the rotating plate are connected to the inner wall pin rods of the square groove.

[0009] Preferably, one end of the bottom cover is fixed to and connected with a water outlet pipe.

[0010] Preferably, the bottom inner wall and both sides of the bottom of the bottom cover are rounded.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, when the filter screen in the trapezoidal box is damaged, the filter frame can be pulled out by holding the fixing rod, which can facilitate the removal of the filter screen and thus facilitate the replacement of the filter screen.

[0013] 2. In the utility model, by covering the top of the trapezoidal box with the fixing frame and the mesh plate, it is possible to prevent larger objects or impurities from entering the interior of the trapezoidal box, thereby achieving the effect of pre-treating rainwater. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a stereoscopic diagram of the overall structure of a rainwater recycling pretreatment device;

[0015] Figure 2 This is a vertical cross-sectional view of the overall structure of a rainwater recycling pretreatment device proposed by the utility model;

[0016] Figure 3 This is a cross-sectional view of the overall structure of a rainwater recycling pretreatment device proposed by the utility model;

[0017] Figure 4 The present invention provides a partial structural stereogram of a rainwater recycling pretreatment device.

[0018] Legend: 1. Trapezoidal box; 2. Ring groove; 3. Filter frame; 4. Chamfer; 5. Filter screen; 6. Inclined plate; 7. Groove; 8. U-shaped plate; 9. Fixing rod; 10. Fixing frame; 11. Mesh plate; 12. Handle; 13. Square groove; 14. Clamp; 15. Bottom cover; 16. Outlet pipe; 17. Turn plate. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] Embodiment 1, as Figure 1-4As shown, the utility model provides a rainwater recovery pretreatment device, including a trapezoidal box 1, an annular groove 2 is provided on the inner wall of the trapezoidal box 1, a filter frame 3 is embedded in the annular groove 2, a filter screen 5 is fixedly connected to the inside of the filter frame 3 and near the bottom, an inclined plate 6 is fixedly connected to the top of the filter frame 3 and near the center of both ends, a groove 7 is provided at the top of the trapezoidal box 1 and near the center of both ends, a U-shaped plate 8 is embedded in the groove 7, a fixing rod 9 is fixedly connected to the inside of the U-shaped plate 8, a fixing frame 10 is provided on the top of the trapezoidal box 1, a mesh plate 11 is fixedly connected to the inside of the fixing frame 10, a square groove 13 is provided on the top of the trapezoidal box 1 and near the center of both sides, a clamp 14 and a rotating plate 17 are respectively provided inside the square groove 13, the top of the clamp 14 and the rotating plate 17 are fixedly connected to the bottom of the fixing frame 10, and the bottom of the trapezoidal box 1 is fixed and connected to a bottom cover 15.

[0022] The effect achieved by the entire embodiment 1 is that an annular groove 2 is opened through the inner wall of the trapezoidal box 1, a filter frame 3 is embedded in the annular groove 2, and a filter screen 5 is fixedly connected to the inside of the filter frame 3 and near the bottom, which can facilitate the placement of the filter frame 3 inside the annular groove 2. Inclined plates 6 are fixedly connected through the top of the filter frame 3 and near the centers of both ends. Grooves 7 are opened at the top of the trapezoidal box 1 and near the centers of both ends. U-shaped plates 8 are embedded in the grooves 7. Fixed rods 9 are fixedly connected to the inside of the U-shaped plates 8, so that the filter frame 3 can be taken out through the inclined plates 6 by holding the fixed rods 9. A fixing frame 10 is provided on the top of the trapezoidal box 1, and a mesh plate 11 is fixedly connected inside the fixing frame 10, which can prevent impurities such as leaves and pebbles from entering the interior of the trapezoidal box 1. Square grooves 13 are opened through the top of the trapezoidal box 1 and near the center of both sides. A clamp 14 and a rotating plate 17 are respectively provided inside the square grooves 13. The tops of the clamp 14 and the rotating plate 17 are fixedly connected to the bottom of the fixing frame 10, which can facilitate the opening of the fixing frame 10. A bottom cover 15 is fixed and connected to the bottom of the trapezoidal box 1, which can make rainwater retained in the bottom cover 15 discharged.

[0023] Embodiment 2, as Figure 1-4 As shown, the inner wall of the filter frame 3 and near the top are chamfered 4, and the inclined plate 6 is attached to the inner wall of the trapezoidal box 1; a handle 12 is fixedly connected to the top of the fixed frame 10 and near the center of one side; the clamp 14 is snap-connected to the inner wall of the square groove 13, and the two ends of the rotating plate 17 are connected to the inner wall pin rod of the square groove 13; one end of the bottom cover 15 is fixed and connected to the water outlet pipe 16; the bottom inner wall and both sides of the bottom of the bottom cover 15 are rounded.

[0024] The effect achieved by the entire embodiment 2 is that, through the inner wall of the filter frame 3 and the chamfer 4 near the top, the effect of allowing rainwater to pass through the filter screen 5 can be achieved, and through the inclined plate 6 being in contact with the inner wall of the trapezoidal box 1, the hypotenuse of the inclined plate 6 can be in contact with the inner wall of the trapezoidal box 1; a handle 12 is fixedly connected to the top of the fixed frame 10 and near the center of one side, and the effect of holding the handle 12 can be achieved to open the fixed frame 10; the clamping connection with the inner wall of the square groove 13 by the clamping member 14, and the two ends of the rotating plate 17 are connected with the inner wall pin rod of the square groove 13, so that the fixed frame 10 can be clamped on the top of the trapezoidal box 1; a water outlet pipe 16 is fixed and connected to one end of the bottom cover 15, which can achieve the effect of drainage; the bottom inner wall and both sides of the bottom of the bottom cover 15 are rounded, which can facilitate the entry of water into the water outlet pipe 16.

[0025] Working principle: By burying the trapezoidal box 1 in the soil and covering the top of the trapezoidal box 1 with the fixed frame 10 and the mesh plate 11, larger objects or impurities can be prevented from entering the interior of the trapezoidal box 1, thereby achieving the effect of pre-treating rainwater. When it rains, rainwater can pass through the mesh plate 11 inside the fixed frame 10 and enter the interior of the trapezoidal box 1. At this time, the rainwater can be filtered through the filter screen 5, and the filtered rainwater will enter the bottom cover 15 and be discharged through the outlet pipe 16. When the filter screen 5 in the trapezoidal box 1 is damaged, the filter frame 3 can be pulled out by holding the fixed rod 9, which can facilitate the removal of the filter screen 5, thereby facilitating the replacement of the filter screen 5.

[0026] The wiring diagram of the filter screen 5 and the screen plate 11 in the present invention is common knowledge in the art, and its working principle is a known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the filter screen 5 and the screen plate 11 are not explained in detail.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A rainwater recovery pretreatment device, comprising a trapezoidal box (1), characterized in that: The inner wall of the trapezoidal box (1) is provided with an annular groove (2), a filter frame (3) is embedded in the annular groove (2), a filter screen (5) is fixedly connected to the inside of the filter frame (3) and near the bottom, an inclined plate (6) is fixedly connected to the top of the filter frame (3) and near the center of both ends, a groove (7) is provided at the top of the trapezoidal box (1) and near the center of both ends, a U-shaped plate (8) is embedded in the groove (7), and a fixing rod is fixedly connected to the inside of the U-shaped plate (8). (9), a fixing frame (10) is provided at the top of the trapezoidal box (1), a mesh plate (11) is fixedly connected inside the fixing frame (10), square grooves (13) are provided at the top of the trapezoidal box (1) and near the center of both sides, a clamp (14) and a rotating plate (17) are respectively provided inside the square groove (13), the top of the clamp (14) and the rotating plate (17) are fixedly connected to the bottom of the fixing frame (10), and the bottom of the trapezoidal box (1) is fixed and connected to a bottom cover (15).

2. A rainwater recovery pretreatment device according to claim 1, characterized in that: The inner wall of the filter frame (3) is chamfered near the top (4), and the inclined plate (6) is in contact with the inner wall of the trapezoidal box (1).

3. A rainwater recovery pretreatment device according to claim 1, characterized in that: A handle (12) is fixedly connected to the top of the fixed frame (10) and close to the center of one side.

4. A rainwater recovery pretreatment device according to claim 1, characterized in that: The clamping piece (14) is snap-connected to the inner wall of the square groove (13), and the two ends of the rotating plate (17) are pin-connected to the inner wall of the square groove (13).

5. A rainwater recovery pretreatment device according to claim 1, characterized in that: One end of the bottom cover (15) is fixed and connected to a water outlet pipe (16).

6. A rainwater recovery pretreatment device according to claim 1, characterized in that: The bottom inner wall and both sides of the bottom of the bottom cover (15) are rounded.

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