CN103307352B - A kind of filter tap - Google Patents
A kind of filter tap Download PDFInfo
- Publication number
- CN103307352B CN103307352B CN201310267722.9A CN201310267722A CN103307352B CN 103307352 B CN103307352 B CN 103307352B CN 201310267722 A CN201310267722 A CN 201310267722A CN 103307352 B CN103307352 B CN 103307352B
- Authority
- CN
- China
- Prior art keywords
- screen pipe
- screen
- filtration net
- valve body
- coarse filtration
- 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.)
- Active
Links
Landscapes
- Details Of Valves (AREA)
Abstract
The invention provides a kind of filter tap, belong to field of mechanical technique.It solve the problem that existing filter tap filtering effect is undesirable, use value is not high.This filter tap comprises the valve body that two ends are respectively water intake and water outlet, valve body is also provided with a screen pipe that valve inleting water mouth is connected with valve body water outlet, the outer end of screen pipe is connected with blowdown part, screen pipe internal fixtion has coarse filtration net and thin filter screen, thin filtration net cover is outside coarse filtration net, and coarse filtration net and thin filter screen are all greater than the mesh of thin filter screen in regular latticed and mesh that is coarse filtration net.This filter tap has that structure is simple, good filtration effect, use value advantages of higher.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of filter tap, particularly relate to a kind of filter tap of double-layer filtering net.
Background technique
Filter tap carries out filtering pretreated device; also be the indispensable a kind of device of tubing of fed sheet of a media; it is usually installed on hydraulic control valve, reduction valve, Decompression valves, determines the entrance point of the equipment such as water valve; be used for eliminating the impurity in medium; prevent graininess impurity inlet passage; result in blockage, with the accessory on proterctive equipment pipeline from wearing and tearing and blocking.
Filter tap is widely used in industrial production and daily life, and existing filter tap comprises the elements such as valve body, valve gap, filtration core, and valve body includes inner chamber and an arm of import and outlet.As Chinese patent discloses a kind of filter tap [application number: 201020300385.0; Notification number: CN201599489U], it comprises valve body, valve body has a blow down branch communicated with body cavity, a filtration core is provided with in blow down branch, the valve gap that one presses filtration core is provided with in the port of blow down branch, valve gap has a sewage draining exit, sewage draining exit place is provided with a Sealing.This filter tap utilizes filtration core to filter medium, and can carry out blowdown by being taken off by Sealing easily and clean filtration core.
But, owing to only securing a filtration core in blow down branch in above-mentioned filter tap, when medium enters in valve body, flow velocity is very fast, the impurity be mixed in medium has same flow velocity with medium, therefore when medium is by filter screen, impurity also part together can pass through filter screen with medium under the effect of this flow velocity, and so just cause the effect of filtration undesirable, use value is not high enough.Other adopt the filter tap of similar structure also all to there is above-mentioned problem.
Summary of the invention
The object of the invention is the problems referred to above existed for prior art, propose that a kind of result is simple, the filter tap of good filtration effect.
Object of the present invention realizes by following technical proposal: a kind of filter tap, comprise the valve body that two ends are respectively water intake and water outlet, described valve body is also provided with a screen pipe that valve inleting water mouth is connected with valve body water outlet, the outer end of described screen pipe is connected with blowdown part, it is characterized in that, described screen pipe internal fixtion has coarse filtration net and thin filter screen, described thin filtration net cover is outside above-mentioned coarse filtration net, described coarse filtration net and thin filter screen are all greater than the mesh of thin filter screen in regular latticed and mesh that is coarse filtration net.
Filter tap connects in the duct, medium flows into from the water intake of valve body, then enters in screen pipe and first carries out first time filtration through coarse filtration net, because when first time filters, velocity of medium is very fast, and the mesh of coarse filtration net is comparatively large, in the medium therefore after first time filtration, still remain more impurity.And because thin filtration net cover is outside coarse filtration net, therefore medium between two filter screens by time flow velocity can reduce, and the mesh of thin filter screen is less, therefore by second time filtration can be carried out again during thin filter screen, the better effects if like this after twice filtration.
In above-mentioned filter tap, described screen pipe is inclined to set relative to valve body and screen pipe and valve body are integral structure, described valve body has positioning seat one at the inner port place of screen pipe, the inner of described coarse filtration net is resisted against on positioning seat one, have the positioning seat two of annular between described screen pipe inner port and screen pipe madial wall, the inner of described thin filter screen is resisted against on positioning seat two.
Adding man-hour, screen pipe is machine shaping on valve body, and when mounted, the inner of coarse filtration net and thin filter screen is positioned in positioning seat one and positioning seat two respectively, then blowdown part is loaded onto, coarse filtration net and thin filter screen are perfectly positioned in screen pipe, and filter tap in use, the outer end of screen pipe is down.
In above-mentioned filter tap, described blowdown part comprises the gland being threadedly connected to screen pipe outer end, and described gland outer side wall has the shoulder block of annular, described shoulder block is resisted against screen pipe external port place and is provided with seal ring between shoulder block and screen pipe outer end.
Gland is threadedly connected to screen pipe outer end, when not using, gland by the outer end seal of screen pipe, and carries out anti-leak by seal ring, and need when carrying out blowdown in screen pipe or clean two filter screens, only gland need be taken off from screen pipe.
In above-mentioned filter tap, the outer end of described coarse filtration net leans the inner side at gland, and the madial wall of described gland has the convex shoulder of annular, and the outer end of described thin filter screen leans on convex shoulder.
The inner of coarse filtration net and thin filter screen is separately fixed at after in positioning seat one and positioning seat two, again gland is connected on screen pipe, the outer end of coarse filtration net and thin filter screen leans respectively on the convex shoulder of the annular of the inner side of gland and gland madial wall, so just makes coarse filtration net and thin filter screen be positioned securely in screen pipe.
In above-mentioned filter tap, described convex shoulder has near the side of screen pipe the inner relative to the inner inside acclivitous confined planes of screen pipe, and the outer end of described thin filter screen leans on confined planes.
When gland is connected on screen pipe, confined planes applies an inside pressure can to thin filter screen, and the effect of being stressed of so thin filter screen is just limited in screen pipe.
In above-mentioned filter tap, described blowdown part also comprises the blowdown valve be connected by screw thread with gland, and described blowdown valve is connected with screen pipe.
Threadedly be connected a blowdown valve communicated with screen pipe with gland, like this when screen pipe domestic demand will carry out blowdown, just without the need to being taken off by gland, direct Open valve just can carry out blowdown.
In above-mentioned filter screen, described blowdown valve is ball valve.Ball valve is conventional valve, adopts ball valve can realize quick opening and closing.
Compared with prior art, this filter tap arranges coarse filtration net and thin filter screen in screen pipe, and the setting of double filtration net mode is not only relatively simple for structure, and is made the better effects if of filtration by the difference of width of mesh, better; When impurities accumulation is more in screen pipe, can carry out blowdown by blowdown part, also can clean filter screen easily or change simultaneously, use value be high.
Accompanying drawing explanation
Fig. 1 is the sectional view of this filter tap.
Fig. 2 is the sectional view of valve body in this filter tap.
Fig. 3 is the sectional view of this filter tap embodiment two.
In figure, 1, valve body; 2, water intake; 3, water outlet; 4, screen pipe; 5, coarse filtration net; 6, thin filter screen; 7, positioning seat one; 8, positioning seat two; 9, gland; 10, shoulder block; 11, seal ring; 12, convex shoulder; 13, confined planes; 14, blowdown valve.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As depicted in figs. 1 and 2, a kind of filter tap, comprise the valve body 1 that two ends are respectively water intake 2 and water outlet 3, valve body 1 is also provided with a screen pipe 4, water outlet 3 and the water intake 2 of valve body 1 are connected by screen pipe 4, and screen pipe 4 is inclined to set relative to valve body 1 and screen pipe 4 is integral structure with valve body 1.
Screen pipe 4 internal fixtion has coarse filtration net 5 and thin filter screen 6, and coarse filtration net 5 is enclosed within outside thin filter screen 6, and coarse filtration net 5 and thin filter screen 6 are all greater than the mesh of thin filter screen 6 in regular latticed and mesh that is coarse filtration net 5.Valve body 1 has positioning seat 1 at the inner port place of screen pipe 4, and the inner of coarse filtration net 5 is resisted against on positioning seat 1, and have the positioning seat 28 of annular between screen pipe 4 inner port and screen pipe 4 madial wall, the inner of thin filter screen 6 is resisted against on positioning seat 28.
As shown in Figure 1, the outer end of screen pipe 4 is connected with blowdown part, blowdown part comprises the gland 9 being threadedly connected to screen pipe 4 outer end, and gland 9 outer side wall has the shoulder block 10 of annular, shoulder block 10 is resisted against screen pipe 4 external port place and is provided with seal ring 11 between shoulder block 10 and screen pipe 4 outer end.The outer end of coarse filtration net 5 leans in the inner side of gland 9, the madial wall of gland 9 has the convex shoulder 12 of annular, convex shoulder 12 has near the side of screen pipe 4 the inner relative to the inner inside acclivitous confined planes 13 of screen pipe 4, and the outer end of thin filter screen 6 leans on confined planes 13.
This filter tap is when assembling, coarse filtration net 5 and thin filter screen 6 are loaded from the outer end of screen pipe 4 respectively, and ensure that the inner of coarse filtration net 5 and thin filter screen 6 lays respectively in positioning seat 1 and location two, then gland 9 is threaded connection in the outer end of screen pipe 4 and the external port of screen pipe 4 is closed, after gland 9 loads, confined planes 13 inside gland 9 and on gland 9 madial wall can apply inside pressure to coarse filtration net 5 and thin filter screen 6 respectively, such coarse filtration net 5 and thin filter screen 6 just can be positioned securely in screen pipe 4.
This filter tap connects in the duct, will by the external port of screen pipe 4 down during installation, and the medium in pipeline first flows into valve body 1 inner chamber from the water intake 2 of valve body 1, then flows in screen pipe 4 from valve body 1 inner chamber.In screen pipe 4, medium with impurity first filters through coarse filtration net 5, then because coarse filtration net 5 overcoat has thin filter screen 6, therefore medium will form one deck buffer strip between coarse filtration net 5 and thin filter screen 6, simultaneously because the mesh of thin filter screen 6 is less than coarse filtration net 5, therefore medium not only flow velocity reduction when passing through thin filter screen 6, and thin filter screen 6 can also filter the impurity in medium further, and effect is better.Medium after filtration can flow out from the water outlet 3 of valve body 1, impurity is then filtered in screen pipe 4, when the impurities accumulation in screen pipe 4 is more, gland 9 can be turned on, impurity in such screen pipe 4 just can be discharged from the external port of screen pipe 4, thus facilitates despumation and cleaned filter screen.
Embodiment two
The present embodiment with the structure of embodiment one and principle substantially identical, difference is: as shown in Figure 3, and the blowdown part in the present embodiment also comprises the blowdown valve 14 be connected by screw thread with gland 9, and blowdown valve 14 is for ball valve and be connected with screen pipe 4.By arranging a blowdown valve 14 be connected with screen pipe 4, like this when the impurities accumulation in screen pipe 4 is more, gland 9 can be backed out, only blowdown need be opened and just can carry out blowdown rapidly, blowdown terminates rear closedown blowdown valve 14.Certainly, need blowdown valve 14 together to back out together with gland 9 when cleaning or change filter screen.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (4)
1. a filter tap, comprise the valve body (1) that two ends are respectively water intake (2) and water outlet (3), described valve body (1) is also provided with a screen pipe (4) that valve body (1) water intake (2) is connected with valve body (1) water outlet (3), the outer end of described screen pipe (4) is connected with blowdown part, it is characterized in that, described screen pipe (4) internal fixtion has coarse filtration net (5) and thin filter screen (6), described thin filter screen (6) is enclosed within above-mentioned coarse filtration net (5) outward, described coarse filtration net (5) and thin filter screen (6) are all greater than the mesh of thin filter screen (6) in regular latticed and mesh that is coarse filtration net (5), described screen pipe (4) be inclined to set relative to valve body (1) and screen pipe (4) and valve body (1) in integral structure, described valve body (1) has positioning seat one (7) at the inner port place of screen pipe (4), the inner of described coarse filtration net (5) is resisted against on positioning seat one (7), there is between described screen pipe (4) inner port and screen pipe (4) madial wall the positioning seat two (8) of annular, the inner of described thin filter screen (6) is resisted against on positioning seat two (8), described blowdown part comprises the gland (9) being threadedly connected to screen pipe (4) outer end, described gland (9) outer side wall has the shoulder block (10) of annular, described shoulder block (10) is resisted against screen pipe (4) external port place and is provided with seal ring (11) between shoulder block (10) and screen pipe (4) outer end, the outer end of described coarse filtration net (5) leans the inner side in gland (9), the madial wall of described gland (9) has the convex shoulder (12) of annular, the outer end of described thin filter screen (6) leans on convex shoulder (12).
2. filter tap according to claim 1, it is characterized in that, described convex shoulder (12) has near the side that screen pipe (4) is inner relative to the inner inside acclivitous confined planes (13) of screen pipe (4), and the outer end of described thin filter screen (6) leans on confined planes (13).
3. filter tap according to claim 1 and 2, it is characterized in that, described blowdown part also comprises the blowdown valve (14) be connected by screw thread with gland (9), and described blowdown valve (14) is connected with screen pipe (4).
4. filter tap according to claim 3, is characterized in that, described blowdown valve (14) is ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310267722.9A CN103307352B (en) | 2013-06-28 | 2013-06-28 | A kind of filter tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310267722.9A CN103307352B (en) | 2013-06-28 | 2013-06-28 | A kind of filter tap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103307352A CN103307352A (en) | 2013-09-18 |
| CN103307352B true CN103307352B (en) | 2015-11-11 |
Family
ID=49132890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310267722.9A Active CN103307352B (en) | 2013-06-28 | 2013-06-28 | A kind of filter tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103307352B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457055B (en) * | 2014-12-05 | 2017-01-11 | 常州埃姆基冷冻设备有限公司 | Angle type forged steel refrigeration filter |
| CN105822827B (en) * | 2015-01-30 | 2018-01-05 | 浙江智源阀门科技有限公司 | Strainer valve |
| CN108626458A (en) * | 2018-06-06 | 2018-10-09 | 浙江盾运实业有限公司 | Combustion gas filter device |
| CN109140018B (en) * | 2018-10-23 | 2020-08-28 | 洛基特水暖厨卫系统(广东)有限公司 | Infrared induction faucet |
| CN109024777A (en) * | 2018-10-31 | 2018-12-18 | 台州阿尔法阀门有限公司 | Pipe joint fixed plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1748234A1 (en) * | 2005-07-26 | 2007-01-31 | Effebi S.p.A. | Valve body for hydraulic systems |
| CN201318467Y (en) * | 2008-12-11 | 2009-09-30 | 宁波志清实业有限公司 | Filtrating ball valve |
| CN201930625U (en) * | 2010-12-09 | 2011-08-17 | 杨猛 | Y-shaped filter with replaceable meshed filter vat |
| CN202185214U (en) * | 2011-07-25 | 2012-04-11 | 孙俊义 | Triangular geothermal filter valve with blow-down valve |
| CN203309344U (en) * | 2013-06-28 | 2013-11-27 | 台州阿尔法阀门有限公司 | Filtering valve |
-
2013
- 2013-06-28 CN CN201310267722.9A patent/CN103307352B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1748234A1 (en) * | 2005-07-26 | 2007-01-31 | Effebi S.p.A. | Valve body for hydraulic systems |
| CN201318467Y (en) * | 2008-12-11 | 2009-09-30 | 宁波志清实业有限公司 | Filtrating ball valve |
| CN201930625U (en) * | 2010-12-09 | 2011-08-17 | 杨猛 | Y-shaped filter with replaceable meshed filter vat |
| CN202185214U (en) * | 2011-07-25 | 2012-04-11 | 孙俊义 | Triangular geothermal filter valve with blow-down valve |
| CN203309344U (en) * | 2013-06-28 | 2013-11-27 | 台州阿尔法阀门有限公司 | Filtering valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103307352A (en) | 2013-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103307352B (en) | A kind of filter tap | |
| CN209161634U (en) | Composite filter element water purifier | |
| CN203309344U (en) | Filtering valve | |
| CN204592451U (en) | A kind of electric water heater safety valve | |
| CN211693614U (en) | Ball valve with built-in filter | |
| CN203488782U (en) | Automatic filter blow-down valve | |
| CN207034326U (en) | A kind of underground heat ball-valve dedicated | |
| CN104061339A (en) | Ball valve integrated filter | |
| CN203628095U (en) | Filtering type self-sealing pipe connector | |
| CN215276111U (en) | Prefilter with axial pressure reducing valve | |
| CN204910977U (en) | Filter | |
| CN210356287U (en) | Quick connector with pre-filtering function for soft water control valve | |
| CN211667182U (en) | Ball valve capable of preventing blockage | |
| CN205226455U (en) | Take ball valve of filter screen | |
| CN202646793U (en) | Cleaning valve | |
| CN203763983U (en) | Sewage-discharging filter for quick interface | |
| CN202555069U (en) | Filter provided with rapid flushing device | |
| CN206730639U (en) | A kind of coarse filter device for water drainage-supply system | |
| CN105126426A (en) | Filter | |
| CN207774952U (en) | A kind of ship seawater filter | |
| CN211963269U (en) | Building water supply and drainage filter equipment | |
| CN204187118U (en) | The filter tap of a kind of Novel belt double filtration and Simple drainage | |
| CN213575568U (en) | Medical sewage is filter valve for sewage treatment for equipment | |
| CN208927719U (en) | A kind of integrated filter element seat with linker | |
| CN211174065U (en) | Novel filter between valves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |