CN202131640U - Negative pressure-free controller - Google Patents
Negative pressure-free controller Download PDFInfo
- Publication number
- CN202131640U CN202131640U CN201120190114U CN201120190114U CN202131640U CN 202131640 U CN202131640 U CN 202131640U CN 201120190114 U CN201120190114 U CN 201120190114U CN 201120190114 U CN201120190114 U CN 201120190114U CN 202131640 U CN202131640 U CN 202131640U
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- China
- Prior art keywords
- negative pressure
- ball float
- pressure controller
- pot
- guide cylinder
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- 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
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Abstract
The utility model relates to the technical field of water supply equipment, and discloses a negative pressure-free controller. The negative pressure-free controller comprises a guiding barrel, a floater, a guide rod and an impact-proof cover, wherein a partition board is arranged in a cavity of the guiding barrel; a vent hole is formed in the partition board; the guide rod is connected with the floater; the floater is accommodated inside the cavity of the guiding barrel and closes the vent hole; and the impact-proof cover is fixed at the bottom of the guiding barrel and is positioned below the floater. The negative pressure-free controller can avoid tap water from impacting the floater, prevent water spraying and avoid generation of negative pressure in a negative pressure-free tank.
Description
Technical field
The utility model relates to the supply equipment technical field, relates in particular to a kind of non negative pressure controller that is used for non-negative pressure water-supply installation.
Background technology
Non-negative pressure water-supply installation is the novel supply equipment that replaces the traditional frequency conversion constant pressure water supply equipment in recent years; Owing to this equipment directly is connected the use of having cancelled the pond with the municipal tap water pipe network; Therefore can reduce secondary pollution; And stack pressure is and more energy-conservation on the pressure-based of city planting ductwork, and for this reason, non-negative pressure water-supply installation has outstanding contribution and is widely used aspect energy-conserving and environment-protective.
Non negative pressure controller is the key device in the non-negative pressure water-supply installation, and it mainly acts on is the pressure balance in the pot with no negative pressure of regulating in the non-negative pressure water-supply installation.When using first or have a power failure, said non negative pressure controller cuts off the water the back when recover using; Tap water gets in the said pot with no negative pressure; The ball float of said non negative pressure controller descends; Make the steam vent of said non negative pressure controller open, at this moment, the gas in the said pot with no negative pressure is discharged through the steam vent of said non negative pressure controller.
Yet, in exhaust process, the bigger fluctuation that tap water can produce when getting into said pot with no negative pressure, thus the ball float of said non negative pressure controller is caused bigger impact, thus the normal operation of said non negative pressure controller influenced.
In addition, when tap water gets into said pot with no negative pressure, because the cause of pressure and flow; Can form very big blast in when said pot with no negative pressure, therefore when exhaust, tap water can be taken out of by blast; Thereby cause said non negative pressure controller the water spray phenomenon to occur, the user is caused harmful effect.
The utility model content
The utility model embodiment provides a kind of non negative pressure controller that is used for non-negative pressure water-supply installation, its can avoid tap water to the impact of ball float, prevent the generation that non negative pressure controller water spray occurs and can avoid the pot with no negative pressure negative pressure.
The utility model provides a kind of non negative pressure controller, and it comprises: guide cylinder, ball float, guide rod and erosion control cover;
Be provided with dividing plate in the cavity of said guide cylinder, said dividing plate has steam vent;
Said guide rod is connected with said ball float, and said ball float is contained in the cavity of said guide cylinder, and said ball float seals said steam vent;
Said erosion control cover is fixed in said guide cylinder, and is positioned at the below of said ball float.
The benefit of the utility model non negative pressure controller is:
(1), in exhaust process; The bigger fluctuation that tap water can produce when getting into said pot with no negative pressure; At this moment, because tap water receives the resistance of said erosion control cover to it, make the tap water fluctuation reduce; Thereby make tap water reduce, guarantee the normal operation of said non negative pressure controller the impact of the ball float of said non negative pressure controller;
(2), get in the pot with no negative pressure process at tap water; Because the cause of pressure and flow; In pot with no negative pressure, can form very big blast, at this moment, because tap water receives stopping of said erosion control cover; Therefore tap water can not taken out of by blast when exhaust, prevents that the water spray phenomenon from appearring in said non negative pressure controller;
(3), user's water supply volume is during greater than the tap water flow, said ball float breaks away from said steam vent, makes said steam vent open, air gets in the pot with no negative pressure through steam vent, thereby the generation of negative pressure that prevented pot with no negative pressure;
(4), non negative pressure controller can be realized said pot with no negative pressure automatic vent water inlet; When using first or have a power failure, non negative pressure controller cuts off the water the back when recover using; Said ball float breaks away from said steam vent, makes said steam vent open, at this moment; Tap water gets in the pot with no negative pressure, and the air in the pot with no negative pressure is discharged to outside the pot with no negative pressure through said steam vent simultaneously.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, does not constitute the improper qualification to the utility model, in the accompanying drawings:
Fig. 1 is installed in the structural representation on the pot with no negative pressure for the utility model non negative pressure controller.
The specific embodiment
To combine accompanying drawing and specific embodiment to specify the utility model below, be used for explaining the utility model in the illustrative examples and the explanation of this utility model, but not as the qualification to the utility model.
Please with reference to Fig. 1; The utility model provides a kind of non negative pressure controller that is used for non-negative pressure water-supply installation; Fig. 1 is installed in the structural representation on the pot with no negative pressure 10 for said non negative pressure controller, and said non negative pressure controller comprises: guide cylinder 1, health cushion rubber 2, ball float 3, guide rod 4, erosion control cover 5, air filter 6, guard shield 7 and flange 8.
Said guide cylinder 1 roughly is provided with dividing plate 12 in the middle part of its cavity 11; And be provided with clamp 13 in the bottom of its cavity 11; Said dividing plate 12 is provided with steam vent 121, and said health cushion rubber 2 is fixed in the soffit of said dividing plate 12, and said clamp 13 has first pilot hole 131.
Said ball float 3 is a stainless steel floating ball 3, and said ball float 3 is contained in the said cavity 11 and between said dividing plate 12 and said clamp 13, and the top of said ball float 3 is against the bottom of said health cushion rubber 2, and the said steam vent 121 of said ball float 3 sealings.
Said erosion control cover 5 is fixed in said guide cylinder 1, and is positioned at the below of said clamp 13, and said erosion control cover 5 is provided with second pilot hole 51.
Said guide rod 4 is connected with said ball float 3, and said guide rod 4 is installed in said first pilot hole 131 and said second pilot hole 51.
Said air filter 6 is fixed in cavity 11 opening parts of said guide cylinder 1, and said air filter 6 is used for filtered air.
Said flange 8 is connected in the external surface of said guide cylinder 1, and said flange 8 is fixed on 10 installation portions 101 of said pot with no negative pressure through bolt 9, and is provided with rubber cushion 102 between said flange 8 and the said installation portion 101.
Said guard shield 7 is coated on the first half of said guide cylinder 1, and coats said air filter 6 and said flange 8.
When using first or have a power failure, said non negative pressure controller cuts off the water the back when recover using; Said ball float 3 descends, and breaks away from said steam vent 121, makes said steam vent 121 open; At this moment; Tap water gets in the cavity volume 103 of said pot with no negative pressure 10, and simultaneously, the air in the cavity volume 103 of said pot with no negative pressure 10 is discharged to outside the pot with no negative pressure 10 through said steam vent 121 and said air filter 6 in regular turn.
In exhaust process, said pot with no negative pressure 10 also keeps the air of certain value, under the effect of tap water, forms certain compressed air; This compressed air produce when causing tap water to get into said pot with no negative pressure 10 than great fluctuation process; At this moment, because tap water receives the resistance of said erosion control cover 5 to it, the fluctuation of tap water is reduced; Thereby make tap water reduce, guarantee the normal operation of said non negative pressure controller the impact of the ball float 3 of said non negative pressure controller;
In addition; The cause of pressure and flow gets in said pot with no negative pressure 10 processes at tap water, owing to can form bigger blast in the cavity volume 103 of said pot with no negative pressure 10; At this moment; Because tap water receives stopping of said erosion control cover 5, so tap water can not taken out of by blast when exhaust, prevents that the water spray phenomenon from appearring in said non negative pressure controller.
When user's water supply volume during greater than the city planting ductwork output, the drawdown in the said pot with no negative pressure 10 begins to produce negative pressure; At this moment; Said ball float 3 descends, and breaks away from said steam vent 121, makes said steam vent 121 open; Outside air gets in the cavity volume 103 of said pot with no negative pressure 10 through said air filter 6 and said steam vent 121 in regular turn, avoids producing negative pressure in the said pot with no negative pressure 10.
More than technical scheme that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (5)
1. a non negative pressure controller is characterized in that, comprising: guide cylinder, ball float, guide rod and erosion control cover;
Be provided with dividing plate in the cavity of said guide cylinder, said dividing plate has steam vent;
Said guide rod is connected with said ball float, and said ball float is contained in the cavity of said guide cylinder, and said ball float seals said steam vent;
Said erosion control cover is fixed in said guide cylinder, and is positioned at the below of said ball float.
2. non negative pressure controller as claimed in claim 1 is characterized in that: the soffit of said dividing plate is fixed with the health cushion rubber, and the top of said ball float is against said health cushion rubber.
3. non negative pressure controller as claimed in claim 1 is characterized in that: the cavity hatch place of said guide cylinder is provided with air filter.
4. non negative pressure controller as claimed in claim 1; It is characterized in that: the cavity bottom of said guide cylinder has clamp; Said clamp has first pilot hole; Said erosion control cover is positioned at the below of said clamp, and said erosion control is covered with second pilot hole, and said guide rod is installed in said first pilot hole and said second pilot hole.
5. non negative pressure controller as claimed in claim 1 is characterized in that: said ball float is a stainless steel floating ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120190114U CN202131640U (en) | 2011-05-25 | 2011-05-25 | Negative pressure-free controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120190114U CN202131640U (en) | 2011-05-25 | 2011-05-25 | Negative pressure-free controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202131640U true CN202131640U (en) | 2012-02-01 |
Family
ID=45520413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120190114U Expired - Fee Related CN202131640U (en) | 2011-05-25 | 2011-05-25 | Negative pressure-free controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202131640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366331A (en) * | 2017-08-29 | 2017-11-21 | 朱学斌 | A kind of auto-pneumatic cylinder |
-
2011
- 2011-05-25 CN CN201120190114U patent/CN202131640U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366331A (en) * | 2017-08-29 | 2017-11-21 | 朱学斌 | A kind of auto-pneumatic cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20140525 |