CN202273316U - Diversion type water grate - Google Patents
Diversion type water grate Download PDFInfo
- Publication number
- CN202273316U CN202273316U CN2011203340191U CN201120334019U CN202273316U CN 202273316 U CN202273316 U CN 202273316U CN 2011203340191 U CN2011203340191 U CN 2011203340191U CN 201120334019 U CN201120334019 U CN 201120334019U CN 202273316 U CN202273316 U CN 202273316U
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- CN
- China
- Prior art keywords
- grate
- water
- utility
- grate bar
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Sewage (AREA)
Abstract
The utility model discloses a diversion type water grate and aims to effectively ensure the drainage capacity of the water grate and prevent urban waterlogging. The diversion type water grate comprises a rectangular frame (10) and grate strips (12) which are arranged at intervals along a water-facing direction, wherein the water grate strips (12) extend in a direction vertical to the water-facing direction and fixedly connected with the rectangular frame (10); and the cross section of each grate strip (12) is an airfoil surface composed of an outer arc surface (12a) and an inner arc surface (12b) and inclines outwards relative to the water-facing direction. The diversion type water grate disclosed by the utility model is favorable for keeping flow rate difference and pressure difference among the airfoil surfaces, so that sundries such as leaves and the like in rainwater can quickly pass through a drainage channel and are hardly attached to the grate strips, thereby realizing a perfect diversion effect and effectively ensuring the drainage capacity of the water grate.
Description
Technical field
The utility model relates to the urban road member, particularly a kind ofly can in time rainwater be rejected to the flow-guiding type drain cover in the network of underground.
Background technology
Structures such as urban road are provided with the timely rainwater of drain cover and are rejected in the network of underground, to avoid taking place waterlogging.Existing drain cover structurally includes a rectangular shaped rim, border some grate bars that are horizontally arranged at interval, and each grate bar extends longitudinally and connects as one with frame, and the gap of adjacent two grate bars is a drainage channel.Because the grate sliver transvers section is rectangular, when the foreign material such as leaf in the rainwater are flowed through drainage channel, be prone to attached to the grate bar on, consequently reduce the drainability of drain cover, even stop up drainage channel fully and lose drainability, thereby cause the city waterlogging.
The utility model content
The utility model technical problem to be solved provides a kind of flow-guiding type drain cover, can guarantee the drainability of drain cover effectively.
It is following that the utility model solves the technical scheme that its technical problem adopted:
The flow-guiding type drain cover of the utility model; Comprise rectangular shaped rim and the grate bar is set at interval along the direction that meets water; Each grate bar fixes as one along extending with rectangular shaped rim perpendicular to the direction that meets water; It is characterized in that: the cross section of said grate bar is the aerofoil that is made up of extrados, intrados, and with respect to the direction flare that meets water.
The beneficial effect of the utility model is, is beneficial to current difference and pressure differential between aerofoil, makes foreign material such as leaf in the rainwater apace through drainage channel, is difficult for playing good guide functions attached on the grate bar, therefore can guarantee the drainability of drain cover effectively.
Description of drawings
This manual comprises following two width of cloth accompanying drawings:
Fig. 1 is the structural representation of the utility model flow-guiding type drain cover;
Fig. 2 is the sectional drawing along A-A line among Fig. 1.
Component shown in the figure, toponym and pairing mark: rectangular shaped rim 10, the rib 11 of putting more energy into, grate bar 12, extrados 12a, intrados 12b.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
The see figures.1.and.2 flow-guiding type drain cover of the utility model comprises rectangular shaped rim 10 and along the direction (arrow direction among Fig. 2) that meets water grate bar 12 is set at interval that each grate bar 12 fixes as one along extending with rectangular shaped rim 10 perpendicular to the direction that meets water.The cross section of said grate bar 12 is the aerofoils that are made up of extrados 12a, intrados 12b, and with respect to the direction flare that meets water.Utilize current difference and the pressure differential of extrados 12a, intrados 12b; Make the foreign material such as leaf in the rainwater pass through drainage channel apace; And be difficult for attached on the grate bar 12 the drainage channel rainwater of flowing through being played guide functions, therefore can guarantee the drainability of drain cover effectively.
With reference to Fig. 2, rounding off between said grate bar 12 extrados 12a, the intrados 12b.According to different environments for use, mode of occupation and manufacturing materials, for strengthening the structural strength of drain cover, can in rectangular shaped rim 10, be provided with the put more energy into rib 11 vertical with the direction that meets water, the rib 11 of putting more energy into fixes as one with rectangular shaped rim 10, grate bar 12.
Some principles of the above the utility model flow-guiding type drain cover that just explains through diagrams; Be not be to the utility model be confined to shown in described concrete structure and the scope of application in; So every the modify and equivalent that might be utilized all belongs to the claim that the utility model is applied for.
Claims (3)
1. flow-guiding type drain cover; Comprise rectangular shaped rim (10) and grate bar (12) is set at interval along the direction that meets water; Each grate bar (12) fixes as one along extending with rectangular shaped rim (10) perpendicular to the direction that meets water; It is characterized in that: the cross section of said grate bar (12) is the aerofoil that is made up of extrados (12a), intrados (12b), and with respect to the direction flare that meets water.
2. flow-guiding type drain cover as claimed in claim 1 is characterized in that: rounding off between said grate bar (12) extrados (12a), the intrados (12b).
3. according to claim 1 or claim 2 flow-guiding type drain cover, it is characterized in that: be provided with the put more energy into rib (11) vertical with the direction that meets water in the said rectangular shaped rim (10), the rib of putting more energy into (11) fixes as one with rectangular shaped rim (10), grate bar (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203340191U CN202273316U (en) | 2011-09-07 | 2011-09-07 | Diversion type water grate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203340191U CN202273316U (en) | 2011-09-07 | 2011-09-07 | Diversion type water grate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202273316U true CN202273316U (en) | 2012-06-13 |
Family
ID=46193682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203340191U Expired - Lifetime CN202273316U (en) | 2011-09-07 | 2011-09-07 | Diversion type water grate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202273316U (en) |
-
2011
- 2011-09-07 CN CN2011203340191U patent/CN202273316U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |
|
| CX01 | Expiry of patent term |