CN208493440U - A kind of rainwater filtering device - Google Patents
A kind of rainwater filtering device Download PDFInfo
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- CN208493440U CN208493440U CN201820652259.8U CN201820652259U CN208493440U CN 208493440 U CN208493440 U CN 208493440U CN 201820652259 U CN201820652259 U CN 201820652259U CN 208493440 U CN208493440 U CN 208493440U
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- pipe
- filter screen
- screen
- filter
- water inlet
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Abstract
It is directly collected into the technical problem that header tank easily causes header tank and pipeline dirt to block up to solve rainwater in the prior art, the utility model provides a kind of rainwater filtering device.It include: screen pipe, upper end is connect with water inlet pipe lower end air-tight movable, and lower end is connect with sewage outlet pipe upper end air-tight movable；Screen pipe cross section of inboard wall diameter is gradually reduced from top to bottom；First filter screen is set in screen pipe, and the second filter screen is in hollow bottomless rounding mesa-shaped；First filter screen is arranged inside the second filter screen, and the first filter screen filter opening aperture is greater than the second filter screen filter opening aperture；First filter screen side lower and the second filter screen side lower are respectively provided with enclosed area；Second filter screen side bottom end periphery and filtering inside pipe wall are in close contact；Filtering pipe wall body opens up water purification mouth, and water purification mouth is located above enclosed area；Pure water pipe is fixedly installed on water purification mouth.Compared with prior art, the utility model can effectively filter the dirts such as sandstone, leaf, and more rainwater can be made to be fully utilized.
Description
Technical field
The utility model belongs to device for treating rain water technical field more particularly to a kind of rainwater filtering device.
Background technique
When building, in order to protect roof, roof, which is all provided with, is set to certain gradient, and water falling pipe is arranged, under making in house
The rainwater that rainy day falls in roof can be flowed down from roof in time.But in drought and water-scarce area, rainwater seems especially valuable, when raining
It is used to pour flowers, plants and trees in cell or courtyard after can be collected preservation from the rainwater that roof flows down, saves water resource.Due to from
Containing sundries such as sandstone, clod, leaves in the rainwater that roof flows down, if being sent directly into header tank, it be easy to cause header tank and pours
It is stifled to fill pipeline dirt, therefore need filter device to be saved and used again after the dmp filter on roof.
Summary of the invention
It is asked for the solution technology that rainwater is directly collected into that header tank easily causes header tank and pipeline dirt to block up in the prior art
Topic, the utility model provide a kind of rainwater filtering device.
In order to solve the above technical problems, rainwater filtering device provided by the utility model, comprising: water inlet pipe, screen pipe and
Sewage outlet pipe is in bottomless cylindrical shape；Screen pipe, upper end are connect with water inlet pipe lower end air-tight movable, and lower end and sewage outlet pipe upper end are close
Envelope is flexibly connected；Screen pipe upper end is connected to water inlet pipe, and lower end is connected to sewage outlet pipe；
Screen pipe cross section of inboard wall diameter is gradually reduced from top to bottom；
First filter screen is set in screen pipe, and the second filter screen is in hollow bottomless rounding mesa-shaped；The setting of first filter screen
Inside the second filter screen, the first filter screen filter opening aperture is greater than the second filter screen filter opening aperture；
First filter screen side lower and the second filter screen side lower are respectively provided with enclosed area；Second filter screen side bottom end
Periphery and filtering inside pipe wall are in close contact；There is gap between second filter screen and filtering inside pipe wall；Second filter screen and
There is gap between one filter screen；
Filtering pipe wall body opens up water purification mouth, and water purification mouth is located above enclosed area；Pure water pipe is fixedly installed on water purification mouth.
Water inlet pipe upper end is connect with the opening being arranged at house eaves, and pure water pipe is connect with water tank；Rainwater passes through water inlet
Pipe enters screen pipe, after the first filter screen and the second filter screen filtration, enters water tank along pure water pipe and is stored, sandstone,
The dirts such as leaf are washed into sewage pipe discharge.Since the diameter setting of screen pipe cross section of inboard wall is gradually reduced from top to bottom, rain
When water enters screen pipe, downlink, can make rainwater have bigger probability by the first filter screen and the second filter screen mistake in the shape of a spiral
It is flowed out after filter from water purification mouth, less a part of rainwater is lost from sewage outlet pipe, improves the utilization rate of rainwater.
First filter screen filter opening aperture is 3~5mm, for filtering the dirts such as biggish stone, leaf；The filter of second filter screen
Hole aperture is 0.5~1mm, for filtering the lesser dirt still having after the first filter screen filtration, two layers filter screen
Setting, can be such that the dirt in rainwater is farthest purified.
Due to the second filter screen side bottom end periphery and filtering inside pipe wall be in close contact, enclosed area and filtering inside pipe wall it
Between the region that is formed, for temporarily storing the tiny dirt mud and stone that still have after the first filter screen and the second filter screen filtration
Mud makes these tiny dirt mud and stone mud be unlikely to enter water tank through pure water pipe；It, can be by the first filtering after certain service life
Net and the second filter screen are removed, and wash away the tiny dirt mud accumulated and stone mud through sewage pipe.
Sewage outlet pipe is set to immediately below screen pipe, keeps sandstone, leaf etc. more easily washed away, is kept pipeline unimpeded, is mentioned
Filtration efficiency.
Preferably, the first filtering sieve bottom is arranged several installing ports, the second filtering sieve bottom is arranged several protrusions, protrusion with
Installing port matches.
Preferably, the first support portion, which is fixedly installed, in the screen pipe upper inside wall is annularly used to support the second filtering
Net.By the support of the first support portion, gap is formed between the first filter screen and filtering inside pipe wall.
Preferably, the water inlet pipe, further includes: the first mounting portion is fixedly connected with water inlet pipe bottom cylindrical circumferential surface；First
The first mounting groove is formed between mounting portion and water inlet pipe lateral surface, screen pipe is tightly connected by the first mounting groove and water inlet pipe.
Preferably, the second mounting groove is opened up between screen pipe bottom outside face and medial surface, and at central column, described
Two mounting groove sizes match with sewage outlet pipe；The sewage outlet pipe is connect by the second mounting groove with screen pipe.
Preferably, the enclosed area is without filter opening.
Preferably, first mounting portion, cylindrical, bottom opens up through-hole, and the through-hole is consistent with water inlet tube shape；
First mounting portion is fixedly connected with water inlet pipe bottom cylindrical circumferential surface.
Preferably, the second support portion, which is fixedly installed, in the filtering pipe outer wall top is annularly used to support the first installation
Portion.
The utility model beneficial effect includes:
Compared with the technology for directly carrying out rainwater-collecting in the prior art, filled using dmp filter provided by the utility model
It sets, the dirts such as sandstone, leaf can effectively be filtered, while can guarantee that more rainwater are fully utilized.
Detailed description of the invention
In the accompanying drawings:
Fig. 1 is the primary structure schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the first filter screen in the utility model；
Fig. 3 is the structural schematic diagram of the second filter screen in the utility model.
Appended drawing reference: 1 water inlet pipe；10 first mounting portions；2 screen pipes；20 first filter screens；201 installing ports；21 second mistakes
Strainer；210 enclosed areas；211 protrusions；22 water purification mouths；23 first support portions；24 second mounting grooves；25 second support portions；3 go out dirt
Pipe；4 pure water pipes.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail with specific embodiment.
Refering to fig. 1 and shown in Fig. 2,3, rainwater filtering device provided by the utility model, comprising: water inlet pipe 1, screen pipe 2
And sewage outlet pipe 3, it is in bottomless cylindrical shape；Screen pipe 2, upper end are connect with 1 lower end air-tight movable of water inlet pipe, lower end and sewage outlet pipe 3
The connection of upper end air-tight movable；
2 cross section of inboard wall diameter of screen pipe is gradually reduced from top to bottom；
First filter screen 20 is set in screen pipe 2, and the second filter screen 21 is in hollow bottomless rounding mesa-shaped；First filtering
For the setting of net 20 inside 21 net of the second filtering, 20 filter opening aperture of the first filter screen is greater than 21 filter opening aperture of the second filter screen；
First filter screen, 20 side lower and the second 21 net side lowers of filtering are respectively provided with enclosed area；Second filter screen, 21 side
Face bottom end periphery and 2 inner wall of screen pipe are in close contact；There is gap between 2 inner wall of second filter screen 21 and screen pipe；Second
There is gap between filter screen 21 and the first filter screen 20；
2 wall body of screen pipe opens up water purification mouth 22, and water purification mouth 22 is located at 210 top of enclosed area；It is fixedly installed on water purification mouth 22
Pure water pipe 4.
Refering to shown in Fig. 2 and Fig. 3, preferably, installing port 201,21 bottom of the second filter screen is arranged in 20 bottom of the first filter screen
Portion's setting protrusion, protrusion 211 match with installing port 201.
As shown in fig.1, preferably, the first support portion 23 is fixedly installed in 2 upper inside wall of screen pipe, annularly, for branch
Support the second filter screen 21.
As shown in fig.1, preferably, water inlet pipe 1, further includes: the first mounting portion 10, with 1 bottom cylindrical circumferential surface of water inlet pipe
It is fixedly connected；It is formed the first mounting groove (not marked in figure) between 1 lateral surface of first mounting portion 10 and water inlet pipe, screen pipe 2 is logical
It crosses the first mounting groove and water inlet pipe 1 is tightly connected.
As shown in fig.1, preferably, open up the second mounting groove 24 between 2 bottom outside face of screen pipe and medial surface, cyclization
Column, 24 size of the second mounting groove match with sewage outlet pipe；Sewage outlet pipe 3 is connect by the second mounting groove 24 with screen pipe 2.
Refering to shown in Fig. 2 and Fig. 3, preferably, enclosed area 210 is without filter opening.
As shown in fig.1, bottom opens up through-hole, through-hole and 1 shape of water inlet pipe preferably, the first mounting portion 10, cylindrical
Shape is consistent；First mounting portion 10 is fixedly connected with 2 bottom cylindrical circumferential surface of water inlet pipe.
As shown in fig.1, preferably, the second support portion 25 is fixedly installed in 2 outer wall top of screen pipe, annularly, for branch
Support the first mounting portion 10.
In conclusion compared with the technology for directly carrying out rainwater-collecting in the prior art, using the utility model embodiment
The rainwater filtering device of offer can effectively filter the dirts such as sandstone, leaf, while more rainwater can be guaranteed by abundant benefit
With.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (8)
1. a kind of rainwater filtering device characterized by comprising water inlet pipe, screen pipe and sewage outlet pipe are in bottomless cylindrical shape；
Screen pipe, upper end are connect with water inlet pipe lower end air-tight movable, and lower end is connect with sewage outlet pipe upper end air-tight movable；
Screen pipe cross section of inboard wall diameter is gradually reduced from top to bottom；
First filter screen is set in screen pipe, and the second filter screen is in hollow bottomless rounding mesa-shaped；The setting of first filter screen is the
Inside two filter screens, the first filter screen filter opening aperture is greater than the second filter screen filter opening aperture；
First filter screen side lower and the second filter screen side lower are respectively provided with enclosed area；Second filter screen side bottom end circumference
Face and filtering inside pipe wall are in close contact；There is gap between second filter screen and filtering inside pipe wall；Second filter screen and the first mistake
There is gap between strainer；
Filtering pipe wall body opens up water purification mouth, and water purification mouth is located above enclosed area；Pure water pipe is fixedly installed on water purification mouth.
2. rainwater filtering device as described in claim 1, which is characterized in that the first filtering sieve bottom setting installing port, second
Sieve bottom setting protrusion is filtered, protrusion matches with installing port.
3. rainwater filtering device as described in claim 1, which is characterized in that the screen pipe upper inside wall fixed setting first
Support portion is annularly used to support the second filter screen.
4. rainwater filtering device as described in claim 1, which is characterized in that the water inlet pipe, further includes: the first mounting portion,
It is fixedly connected with water inlet pipe bottom cylindrical circumferential surface；The first mounting groove is formed between first mounting portion and water inlet pipe lateral surface, is filtered
Pipe is tightly connected by the first mounting groove and water inlet pipe.
5. rainwater filtering device as described in claim 1, which is characterized in that screen pipe bottom outside face and medial surface it
Between open up the second mounting groove, at central column, the second mounting groove size matches with sewage outlet pipe；The sewage outlet pipe passes through second
Mounting groove is connect with screen pipe.
6. rainwater filtering device as described in claim 1, which is characterized in that the enclosed area is without filter opening.
7. rainwater filtering device as claimed in claim 4, which is characterized in that first mounting portion, cylindrical, bottom is opened
If through-hole, the through-hole is consistent with water inlet tube shape；First mounting portion is fixedly connected with water inlet pipe bottom cylindrical circumferential surface.
8. rainwater filtering device as claimed in claim 4, which is characterized in that the filtering pipe outer wall top fixed setting second
Support portion is annularly used to support the first mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820652259.8U CN208493440U (en) | 2018-05-03 | 2018-05-03 | A kind of rainwater filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820652259.8U CN208493440U (en) | 2018-05-03 | 2018-05-03 | A kind of rainwater filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208493440U true CN208493440U (en) | 2019-02-15 |
Family
ID=65298214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820652259.8U Active CN208493440U (en) | 2018-05-03 | 2018-05-03 | A kind of rainwater filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208493440U (en) |
-
2018
- 2018-05-03 CN CN201820652259.8U patent/CN208493440U/en active Active
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