Drainage structure of sunken greenbelt

Abstract

A sinking type greenbelt drainage structure comprises a regulation and storage greenbelt and an overflow well, the overflow well comprises a well base, a drainage pipe, a filtering ball, a residue collecting box, a sliding base and an elastic reset piece, the drainage pipe is provided with a water inlet, a pair of sliding grooves are symmetrically formed in the water inlet in the axial direction, and a residue discharging opening communicated with the residue collecting box is formed in the peripheral face of the drainage pipe. A plurality of first water filtering holes communicated with the slag collecting box are formed in the vertical lower part of the slag discharging opening; the diameter of the filtering ball body is matched with the diameter of an inner hole of the drainage pipe, a plurality of second filtering holes and a rotating shaft extending to the pair of sliding grooves are formed in the peripheral surface of the filtering ball body in a penetrating mode, the outer contour of the sliding seat is in sliding fit with the sliding grooves, and a rotating hole in rotating fit with the rotating shaft is formed; the two ends of the elastic reset piece are fixedly connected with the sliding base and the sliding groove correspondingly, and the filtering ball body is driven to move to the vertical position above the slag discharging opening.

Description

TECHNICAL FIELD

[0001] The utility model relates to overflow well structure design technical field, concretely relates to a drainage structure of sunken green land. BACKGROUND

[0002] The purpose of the green land of the sponge city is to absorb, store, infiltrate and purify water when it rains, the sunken green land is the green land lower than the surrounding ground, the open space is used to receive and store rainwater, the effect of reducing runoff discharge is achieved, the native herbaceous plants are mainly used as the internal plants, the overflow well is mainly used as the structure of the green land, the rainwater is guided, and in order to reduce the problem of blockage, the filter screen is usually installed in the overflow well, and the sundries carried by the water flow are filtered;

[0003] The existing technology has the problem that when the overflow well is blocked by mud and the like small objects, only manual cleaning can be relied on, and a large amount of manpower is consumed. UTILITY MODEL CONTENT

[0004] The utility model discloses a drainage structure of sunken green land to solve the technical deficiency.

[0005] The utility model discloses a drainage structure of sunken green land, including storage green land, overflow well, the overflow well includes well seat, drain pipe, filter ball, residue collecting box, sliding seat and elastic reset piece (the application preferably is support spring), the drain pipe is provided with the water inlet, a pair of sliding grooves are symmetrically arranged in the water inlet along the axial direction, the outer peripheral surface of the drain pipe is provided with the residue discharge port that communicates with the residue collecting box, and a plurality of first water filtering holes that communicate with the residue collecting box are arranged in the vertical lower side of the residue discharge port.

[0006] The utility model further provides that the overflow well still includes driving roller, driven roller, drive motor, contact switch and closed shell, the filter ball includes the first station that rises higher than the residue discharge port, and the second station that drops and gives the residue discharge port,

[0007] The drain pipe is provided with a long circular through hole through which the rotating shaft passes, the long circular through hole is arranged along the rotating path of the rotating shaft, the end of the rotating shaft passing through the long circular through hole is fixedly connected coaxially with the driven roller, the driving roller is linked with the driving motor, the driving roller and the contact switch are preset at the position of the height alignment second station, the driving motor is started according to the signal that the contact switch touches the rotating shaft of the knife, the driving roller is driven to rotate, the driven roller is frictionally rolled with the driving roller when the driven roller descends to the second station with the rotating shaft, the rotation of the filter residue on the surface of the filter ball is driven to enter the residue discharge port, the closed shell is detachably and sealingly connected with the outer circumferential surface of the drain pipe, and the driving roller, the driven roller, the driving motor, the contact switch and the rotating shaft are covered.

[0008] The further setting of the utility model is that the residue collecting box is provided with an opening exposed to the bottom surface, the opening is provided with a sealable sealing door.

[0009] The further setting of the utility model is that the sliding seat is provided with a baffle extending to the side of the water inlet, the baffle is attached to the sliding groove and covers the long circular through hole.

[0010] The utility model has the advantages of 1.

[0011] Through the linkage of the above structure, an automatic circulation filtering and residue discharging structure is formed, the situation that the drain pipe is blocked by the accumulation of sundries is effectively avoided, the residues are automatically collected and uniformly treated, the period of manual cleaning is prolonged, and the labor is saved.

[0012] 2. Through the design of the driving roller, the driven roller, the driving motor and the contact switch, when the contact switch identifies that the filter ball descends to the second station, the driving roller drives the filter ball to actively rotate to discharge the residues, and the residue discharging effect is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The structure of the utility model embodiment Figure 1 ;

[0014] Figure 2For the structure of the embodiment of the utility model Figure 2 ;

[0015] Figure 3 For the structure of the embodiment of the utility model Figure 3 ;

[0016] Figure 4 For the structure of the embodiment of the utility model Figure 4 ;

[0017] Figure 5 For Figure 4 the sectional view at A-A in Fig.

[0018] Figure 6 For Figure 4 the sectional view at B-B in Fig.

[0019] The labels in the drawings are respectively: 1 - storage green land, 2 - well base, 3 - drain pipe, 31 - sliding groove, 32 - slag discharge port, 33 - first filter hole, 34 - long circular through hole, 4 - filter ball, 41 - second filter hole, 42 - rotating shaft, 5 - slag collecting box, 6 - sliding base, 61 - baffle, 7 - elastic reset piece, 71 - driving roller, 72 - driven roller, 73 - driving motor, 74 - contact switch, 75 - closed shell, in order to better illustrate the embodiment, some components in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product, in addition, the drawings are only used for illustrative description, and cannot be understood as the limitation of the patent. DETAILED DESCRIPTION

[0020] In order to make the technical scheme of the present application and its advantages clearer, the technical scheme of the present application will be further clearly and completely described in detail below in combination with the drawings. It can be understood that the specific embodiments described here are only part of the embodiments of the present application, and are only used to explain the present application, but not to limit the present application. It should be noted that, in order to facilitate description, only parts related to the present application are shown in the drawings, and other related parts can be referred to the usual design, under the condition of no conflict, the embodiments in the present application and the technical features in the embodiments can be combined to obtain new embodiments.

[0021] The utility model will be introduced in detail in combination with the drawings, as Figures 1-3 shown,

[0022] The application discloses a drainage structure of a sunken green land, which comprises a regulating and storing green land 1, an overflow well, the overflow well comprising a well base 2, a drainage pipe 3, a filtering ball 4, a residue collecting box 5, a sliding base 6 and an elastic reset part 7 (preferably a supporting spring in the application), the drainage pipe 3 is provided with a water inlet, a pair of sliding grooves 31 are symmetrically arranged on the water inlet in the axial direction, a residue discharging port 32 is arranged on the outer circumferential surface of the drainage pipe 3 and is communicated with the residue collecting box 5, a plurality of first water filtering holes 33 are arranged on the vertical lower side of the residue discharging port 32 and are communicated with the residue collecting box 5, the diameter of the filtering ball 4 is matched with the inner hole diameter of the drainage pipe 3, a plurality of second filtering holes 41 are arranged on the outer circumferential surface of the filtering ball 4, a rotating shaft 42 extending to the pair of sliding grooves 31 is arranged on the outer circumferential surface of the filtering ball 4, the sliding base 6 is slidingly matched with the sliding grooves 31 in the outer contour, a rotating hole matched with the rotating shaft 42 is arranged on the sliding base 6, and the elastic reset part 7 is fixedly connected with the sliding base 6 and the sliding grooves 31 at both ends, respectively.

[0023] The overflow well further comprises a driving roller 71, a driven roller 72, a driving motor 73, a contact switch 74 and a closed shell 75, the filtering ball 4 comprises a first working position in which the filtering ball 4 is lifted above the residue discharging port 32 and a second working position in which the filtering ball 4 is lowered to leave the residue discharging port 32,

[0024] The drainage pipe 3 is provided with an oblong through hole 34 through which the rotating shaft 42 extends, the oblong through hole 34 is arranged along the lifting path of the rotating shaft 42, the end of the rotating shaft 42 extending out of the oblong through hole 34 is fixedly connected with the driven roller 72 in a coaxial manner, the driving roller 71 is linked with the driving motor 73, the driving roller 71 and the contact switch 74 are preset at a position in which the height is aligned with the second working position, the driving motor 73 is started according to the signal that the contact switch 74 touches the rotating shaft 42, the driving roller 71 is driven to rotate, the driven roller 72 is frictionally and rollingly matched with the driving roller 71 when the driven roller 72 is lowered to the second working position along with the rotating shaft 42, the residue on the surface of the filtering ball 4 is driven to rotate and enter the residue discharging port 32, the closed shell 75 is detachably and sealingly connected with the outer circumferential surface of the drainage pipe 3 and covers the driving roller 71, the driven roller 72, the driving motor 73, the contact switch 74 and the rotating shaft 42.

[0025] The residue collecting box 5 is provided with an opening exposed to the bottom surface, the opening is provided with an openable sealing door.

[0026] The sliding base 6 is provided with a baffle 61 extending towards the water inlet side, the baffle 61 is attached with the sliding groove 31 and covers the oblong through hole 34.

[0027] The utility model discloses beneficial effect has: 1. When the sundry rainwater enters the overflow well drainage pipe 3 water inlet, the sundry is primarily filtered by filter ball 4, and the rainwater passes through second filter hole 41, and when the sundry accumulates to a certain degree, and the water pressure of plugging formation is greater than the support of elastic reset piece 7, and the filter ball 4 is driven to descend along sliding groove 31, when the descending height of filter ball 4 is lower than the discharge port 32, the sundry on the upside of filter ball 4 is surged into the discharge port 32, and is flushed into the residue collecting box 5, and filter ball 4 also rotates to the side of discharge port 32 under the action of water flow diversion, and the sundry is driven into the discharge port 32. After the sundry enters the discharge port 32, second filter hole 41 is unobstructed, and the water pressure of plugging formation disappears, and filter ball 4 is driven to rise higher than discharge port 32 under the drive of elastic reset piece 7, and is recovered to unobstructed filtering, and the water in residue collecting box 5 is discharged back into drainage pipe 3 by first filter hole, and the sundry is collected uniformly, and waits for the patrol cleaning.

[0028] Through the linkage cooperation of the above structure, the structure of automatic circulation filtering and residue discharging is formed, the situation that the sundry is accumulated and blocks drainage pipe 3 is effectively avoided, and the residue is automatically collected and uniformly treated, the period of the patrol manual cleaning is prolonged, and the manual is saved.

[0029] 2. Through the design of driving roller 71, driven roller 72, drive motor 73 and contact switch 74, when filter ball 4 descends to the second station, driving roller 71 drives filter ball 4 to rotate and discharge residue, and the residue discharging effect is enhanced.

[0030] It can be understood that, for those skilled in the art, equivalent replacement or change of the technical scheme and the utility model concept of the utility model should belong to the protection scope of the claims attached to the utility model.

Claims

1. A drainage structure for a sunken green, characterized by: The overflow well comprises a well base, a drain pipe, a filter ball, a slag collecting box, a sliding base and an elastic reset member, the drain pipe is provided with a water inlet, a pair of sliding grooves are symmetrically arranged on the water inlet in the axial direction, a slag discharge port is arranged on the outer circumferential surface of the drain pipe and is communicated with the slag collecting box, a plurality of first water filtering holes are arranged vertically below the slag discharge port and are communicated with the slag collecting box, the diameter of the filter ball is matched with the inner hole diameter of the drain pipe, a plurality of second filtering holes are arranged on the outer circumferential surface of the filter ball, and a rotating shaft extending to the pair of sliding grooves is arranged, the sliding base is slidingly matched with the sliding grooves, and a rotating hole is arranged and is rotationally matched with the rotating shaft, and the elastic reset member is fixedly connected with the sliding base and the sliding grooves at both ends, and drives the filter ball to move vertically above the slag discharge port.

2. The subsurface green drainage structure according to claim 1, wherein: The overflow well further comprises a driving roller, a driven roller, a driving motor, a contact switch and a closed shell, the filter ball comprises a first station rising above the slag discharge port and a second station allowing the slag discharge port to drop; The drain pipe is provided with an oblong through hole for the rotating shaft to pass through, the oblong through hole is arranged along the lifting path of the rotating shaft, the end of the rotating shaft passing through the oblong through hole is coaxially fixedly connected with the driven roller, the driving roller is linked with the driving motor, the driving roller and the contact switch are preset at a position vertically aligned with the second station, the driving motor is started according to the signal of the contact switch touching the rotating shaft of the knife, the driving roller is rotated, the driven roller is frictionally and rollingly matched with the driving roller when the rotating shaft drops to the second station, the filter slag on the surface of the filter ball is driven to rotate into the slag discharge port, the closed shell is detachably and sealingly connected with the outer circumferential surface of the drain pipe, and the driving roller, the driven roller, the driving motor, the contact switch and the rotating shaft are covered.

3. The subsurface green drainage structure according to claim 1 or 2, wherein: The slag collecting box is provided with an opening exposed to the bottom surface, and the opening is provided with an openable sealing door.

4. The subsurface green drainage structure according to claim 2, wherein: The sliding base is provided with a baffle extending towards the water inlet side, the baffle is attached to the sliding groove, and the oblong through hole is covered.

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