CN201739628U - Automatic flow limiting water saving nozzle - Google Patents
Automatic flow limiting water saving nozzle Download PDFInfo
- Publication number
- CN201739628U CN201739628U CN2010202134686U CN201020213468U CN201739628U CN 201739628 U CN201739628 U CN 201739628U CN 2010202134686 U CN2010202134686 U CN 2010202134686U CN 201020213468 U CN201020213468 U CN 201020213468U CN 201739628 U CN201739628 U CN 201739628U
- Authority
- CN
- China
- Prior art keywords
- water
- seat
- piston
- filter screen
- current limliting
- 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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- Filtration Of Liquid (AREA)
Abstract
The utility model relates to an automatic flow limiting water saving nozzle, which comprises a case, a filter screen, a piston, a pressure spring, a spring seat and a flow limiting seat, wherein a water passage is arranged on the flow limiting seat, an outer annular table and a water outlet cavity are arranged on the piston, an axial water inlet hole is communicated with the water outlet cavity, the spring seat is detachably connected with a round hole, the pressure spring is arranged between the spring seat and a top plate of the water outlet cavity, the piston is glidingly matched with and is hydraulically sealed with an inner cavity of the flow limiting seat, a clamp groove is arranged on the inner cavity wall of the current limiting seat, a notch clamp ring is matched with the outer annular table and the clamp groove, a gap is formed between the spring seat and the water outlet cavity, the filter screen is arranged on the inner annular table, the outer annular plate of the flow limiting seat is lapped and learned on the outer folding edge, the flow limiting seat and the filter screen are detachably connected with the case. Because of the adoption of the structure, the piston can upwards or downwards move according to the pressure of the water for regulating the gap between the water outlet cavity of the piston and a tube body of the spring seat, so the goal of maintaining the normal water outlet quantity can be reached.
Description
Technical field
The present invention relates to the device used on a kind of water tap, the water outlet on especially a kind of water outlet that is used in water tap.
Background technique
Present prior art, a water outlet comprises shell, filter screen, and described shell is the cylindrical shell of an end opening, and opening end is a feed-water end, and some osculums are arranged on the base plate, and filter screen is arranged in the cylindrical shell of shell.Existing problems are: can only play a role in filtering, can not play the self-choke metering function.
Summary of the invention
The objective of the invention is: a kind of automatic current limiting water saving mouth is provided, and it not only has the automatic current limiting effect, and also has the effect of filtered water.
The present invention is achieved in that a kind of automatic current limiting water saving mouth, comprises shell, filter screen, and described shell is the cylindrical shell of an end opening, and opening end is a feed-water end, and some osculums are arranged on the base plate; Its special way is: also comprise a piston, pressure spring, spring seat and current limliting seat;
There is circular hole in the bottom centre of described current limliting seat, and the bottom also has several water channels around circular hole;
There is the outer shroud platform described piston upper end, and there is a water chamber lower end, and an axial water inlet is connected with water chamber;
Spring seat and circular hole removably connect;
Described pressure spring one end cooperates with spring seat, the water chamber top board of the other end and piston against; Piston and current limliting seat inner chamber are slidingly matched and liquid sealing, and a draw-in groove is arranged on the internal chamber wall of current limliting seat, and a breach snap ring cooperates with outer shroud platform and draw-in groove; The gap of spring seat and water chamber constitutes water channel;
The outer folding of filter screen is along on the interior ring platform that is arranged on the outer casing inner wall, and the outer ring plate of current limliting seat rides against outer folding along last, and current limliting seat and filter screen and shell removably connect; Outer ring plate and shell inner cavity liquid sealing.
Described a kind of automatic current limiting water saving mouth, its special way is: described spring seat has the cylindrical shell that is positioned at the upper end and is positioned at the water guide post formation of lower end, and cylindrical shell and circular hole removably connect, and the water guide post is in the bottom and the space between the filter screen of current limliting seat.
Described a kind of automatic current limiting water saving mouth, its special way is: described filter screen is made of rack with both ends open and spacer screen, and spacer screen is arranged on the under shed, and an outer folding edge is arranged in the upper shed, and outer folding is along cooperating with interior ring platform.
Described a kind of automatic current limiting water saving mouth, its special way is: radially water hole is arranged on the described rack.
Described a kind of automatic current limiting water saving mouth, its special way is: a circular groove is arranged on the piston radial outer surface, also comprise a seal ring, seal ring is arranged in the circular groove, and piston is by seal ring and current limliting seat liquid sealing.
A kind of automatic current limiting water saving mouth of the present invention, owing to adopt such structure, when the pressure of water was big, piston moved down, the gap smaller between the water chamber that makes piston and the cylindrical shell of spring seat, thus reach the purpose of minimizing water-outlet quantity; When the pressure of water diminishes, piston moves up, and it is big that the gap between the water chamber of piston and the cylindrical shell of spring seat becomes, thereby reach the purpose of keeping normal water-outlet quantity.
Description of drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is the plan view of breach snap ring of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
As shown in Figure 1, a kind of automatic current limiting water saving mouth comprises shell 1, filter screen 2, and described shell 1 is the cylindrical shell of an end opening, and opening end is a feed-water end, and some osculums 11 are arranged on the base plate; Also comprise a piston 3, pressure spring 4, spring seat 5 and current limliting seat 6;
There is circular hole in the bottom centre of described current limliting seat 6, and the bottom also has several water channels 61 around circular hole;
There is outer shroud platform 31 described piston 3 upper ends, and the lower end has a water chamber 32, one axial water inlets 33 to be connected with water chamber 32;
Described pressure spring 4 one ends cooperate with spring seat 5, water chamber 32 top boards of the other end and piston 3 against; Piston 3 is slidingly matched and liquid sealing with current limliting seat 6 inner chambers, has a draw-in groove 62, one breach snap rings 7 to cooperate with outer shroud platform 31 and draw-in groove 62 on the internal chamber wall of current limliting seat 6, and piston 3 is remained in the current limliting seat 6; Spring seat 5 constitutes water channel with the gap of water chamber 32, i.e. gap between the lower end surface of gap of the radially-outer surface of the upper end of spring seat 5 and water chamber 32 inner radial surface, and spring seat upper-end surface and water chamber constitutes water channel;
The outer folding of filter screen 2 is along on the interior ring platform 12 that is arranged on shell 1 inwall, and the outer ring plate 63 of current limliting seat 6 rides against outer folding along last, and current limliting seat 6 and filter screen 2 removably connect with shell 1; Outer ring plate 63 and the sealing of shell 1 intracavity liquid.
Described spring seat 5 has cylindrical shell 51 that is positioned at the upper end and the water guide post that is positioned at the lower end 52 to constitute, and cylindrical shell 51 removably connects with circular hole, and water guide post 52 is in the bottom and the space between the filter screen 2 of current limliting seat 6.
Described filter screen 2 is made of rack 21 with both ends open and spacer screen 22, and spacer screen 22 is arranged on the under shed, and an outer folding edge is arranged in the upper shed, and outer folding is along cooperating with interior ring platform 12.
Radially water hole 211 is arranged on the rack 21.
Claims (5)
1. an automatic current limiting water saving mouth comprises shell, filter screen, and described shell is the cylindrical shell of an end opening, and opening end is a feed-water end, and some osculums are arranged on the base plate; It is characterized in that: also comprise a piston, pressure spring, spring seat and current limliting seat;
There is circular hole in the bottom centre of described current limliting seat, and the bottom also has several water channels around circular hole;
There is the outer shroud platform described piston upper end, and there is a water chamber lower end, and an axial water inlet is connected with water chamber;
Spring seat and circular hole removably connect;
Described pressure spring one end cooperates with spring seat, the water chamber top board of the other end and piston against; Piston and current limliting seat inner chamber are slidingly matched and liquid sealing, and a draw-in groove is arranged on the internal chamber wall of current limliting seat, and a breach snap ring cooperates with outer shroud platform and draw-in groove; The gap of spring seat and water chamber constitutes water channel;
The outer folding of filter screen is along on the interior ring platform that is arranged on the outer casing inner wall, and the outer ring plate of current limliting seat rides against outer folding along last, and current limliting seat and filter screen and shell removably connect; Outer ring plate and shell inner cavity liquid sealing.
2. a kind of automatic current limiting water saving mouth according to claim 1, it is characterized in that: described spring seat has the cylindrical shell that is positioned at the upper end and is positioned at the water guide post formation of lower end, cylindrical shell and circular hole removably connect, and the water guide post is in the bottom and the space between the filter screen of current limliting seat.
3. a kind of automatic current limiting water saving mouth according to claim 1 is characterized in that: described filter screen is made of rack with both ends open and spacer screen, and spacer screen is arranged on the under shed, and an outer folding edge is arranged in the upper shed, and outer folding is along cooperating with interior ring platform.
4. a kind of automatic current limiting water saving mouth according to claim 3 is characterized in that: radially water hole is arranged on the described rack.
5. according to claim 1,2,3 or 4 described a kind of automatic current limiting water saving mouths, it is characterized in that: a circular groove is arranged on the piston radial outer surface, also comprise a seal ring, seal ring is arranged in the circular groove, and piston is by seal ring and current limliting seat liquid sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202134686U CN201739628U (en) | 2010-05-28 | 2010-05-28 | Automatic flow limiting water saving nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202134686U CN201739628U (en) | 2010-05-28 | 2010-05-28 | Automatic flow limiting water saving nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739628U true CN201739628U (en) | 2011-02-09 |
Family
ID=43554903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202134686U Expired - Lifetime CN201739628U (en) | 2010-05-28 | 2010-05-28 | Automatic flow limiting water saving nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739628U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922579A (en) * | 2010-05-28 | 2010-12-22 | 钟国强 | Automatic current limiting water saving mouth |
| CN103272724A (en) * | 2013-06-25 | 2013-09-04 | 钟杰荣 | Automatic flow-limiting type water-saving nozzle |
-
2010
- 2010-05-28 CN CN2010202134686U patent/CN201739628U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922579A (en) * | 2010-05-28 | 2010-12-22 | 钟国强 | Automatic current limiting water saving mouth |
| CN103272724A (en) * | 2013-06-25 | 2013-09-04 | 钟杰荣 | Automatic flow-limiting type water-saving nozzle |
| CN103272724B (en) * | 2013-06-25 | 2015-10-28 | 钟杰荣 | A kind of automatic limiting streaming water saving mouth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110209 Effective date of abandoning: 20111130 |