CN204458534U - The anti-negative pressure device of a kind of water pump - Google Patents
The anti-negative pressure device of a kind of water pump Download PDFInfo
- Publication number
- CN204458534U CN204458534U CN201520091546.2U CN201520091546U CN204458534U CN 204458534 U CN204458534 U CN 204458534U CN 201520091546 U CN201520091546 U CN 201520091546U CN 204458534 U CN204458534 U CN 204458534U
- Authority
- CN
- China
- Prior art keywords
- pipeline section
- water pump
- section body
- inner sleeve
- water
- 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 - Fee Related
Links
Abstract
The utility model relates to water feeding and draining device technical field, the anti-negative pressure device of especially a kind of water pump.It comprises the pipeline section body be connected with the water intake of water pump, is set with an inner sleeve in described pipeline section body, and the axial length of described inner sleeve is less than the axial length of pipeline section body.Whole device can be installed between water pump and water pipe by pipeline section body by the utility model, and by arrange inner sleeve and in conjunction with fluid mechanics principle, known, inner sleeve effectively can reduce the surface friction drag between water and pipeline section body inwall, the probability utilizing the pipeline section internal diameter sharply diminished to occur to reduce negative pressure, ensures pumping for water pump thread and speed; Its structure is simple, with low cost, to manufacture and easy for installation, has very strong practicability.
Description
Technical field
The utility model relates to water feeding and draining device technical field, the anti-negative pressure device of especially a kind of water pump.
Background technique
In use, the pump housing and intake pipe vacuumize and need the regular hour for existing water pump, especially centrifugal pump, and can produce certain negative pressure, cause the water pump thread that occurs drawing water limited, the problems such as the speed of drawing water is slow, load is large.
Therefore, be necessary to provide a kind of anti-negative pressure device, to solve the above-mentioned problems in the prior art, improve the usefulness of water pump.
Model utility content
For the deficiency that above-mentioned prior art exists, the purpose of this utility model be to provide a kind of structure simple, with low cost, install and the easily manufactured anti-negative pressure device of water pump.
To achieve these goals, the utility model adopts following technological scheme:
The anti-negative pressure device of a kind of water pump, it comprises the pipeline section body be connected with the water intake of water pump, is set with an inner sleeve in described pipeline section body, and the axial length of described inner sleeve is less than the axial length of pipeline section body.
Preferably, described inner sleeve is made up of super hydrophobic material.
Preferably, described inner sleeve is made up of rubber material.
Preferably, the two ends of described pipeline section body are provided with flange plate.
Owing to have employed such scheme, whole device can be installed between water pump and water pipe by pipeline section body by the utility model, and by arrange inner sleeve and in conjunction with fluid mechanics principle, known, inner sleeve effectively can reduce the surface friction drag between water and pipeline section body inwall, the probability utilizing the pipeline section internal diameter sharply diminished to occur to reduce negative pressure, ensures pumping for water pump thread and speed; Its structure is simple, with low cost, to manufacture and easy for installation, has very strong practicability.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, the anti-negative pressure device of water pump of the present embodiment, it comprises the pipeline section body 1 be connected with the water intake of water pump, is set with an inner sleeve be made up of super hydrophobic material or rubber material 2 in pipeline section body 1; Wherein, the axial length of inner sleeve 2 is less than the axial length of pipeline section body 1.So, can whole device be installed between water pump and water pipe by pipeline section body 1, and by arrange inner sleeve 2 and in conjunction with fluid mechanics principle, known, inner sleeve 2 effectively can reduce the surface friction drag between water and pipeline section body 1 inwall, the probability utilizing the pipeline section internal diameter sharply diminished to occur to reduce negative pressure, ensures pumping for water pump thread and speed.
For ease of the assembly connection of device, the two ends of pipeline section body 1 are provided with flange plate 3.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. the anti-negative pressure device of water pump, is characterized in that: it comprises the pipeline section body be connected with the water intake of water pump, is set with an inner sleeve in described pipeline section body, and the axial length of described inner sleeve is less than the axial length of pipeline section body.
2. the anti-negative pressure device of a kind of water pump as claimed in claim 1, is characterized in that: described inner sleeve is made up of super hydrophobic material.
3. the anti-negative pressure device of a kind of water pump as claimed in claim 1, is characterized in that: described inner sleeve is made up of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091546.2U CN204458534U (en) | 2015-02-06 | 2015-02-06 | The anti-negative pressure device of a kind of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091546.2U CN204458534U (en) | 2015-02-06 | 2015-02-06 | The anti-negative pressure device of a kind of water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458534U true CN204458534U (en) | 2015-07-08 |
Family
ID=53665428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520091546.2U Expired - Fee Related CN204458534U (en) | 2015-02-06 | 2015-02-06 | The anti-negative pressure device of a kind of water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458534U (en) |
-
2015
- 2015-02-06 CN CN201520091546.2U patent/CN204458534U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20170206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |