CN103307352A - Filter valve - Google Patents
Filter valve Download PDFInfo
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- CN103307352A CN103307352A CN2013102677229A CN201310267722A CN103307352A CN 103307352 A CN103307352 A CN 103307352A CN 2013102677229 A CN2013102677229 A CN 2013102677229A CN 201310267722 A CN201310267722 A CN 201310267722A CN 103307352 A CN103307352 A CN 103307352A
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- screen pipe
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- valve body
- filter screen
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Abstract
The invention provides a filter valve, which belongs to the technical field of machinery, and solves the problems of unsatisfactory filtering effect and low practical valve of a conventional filter valve. The filter valve comprises a valve body with a water inlet and a water outlet formed in two ends, wherein the valve body is provided with one filtering pipe for allowing the valve body water inlet and the valve body water outlet to be communicated; an outer end of the filtering pipe is connected with a sewage draining piece; a rough filter screen and a fine filter screen are fixed in the filtering pipe; the rough filter screen is sleeved with the fine filter screen; the rough filter screen and the fine filter screen are all regular grid shape, and mesh of the rough filter screen is greater than that of the thin filter screen. The filter valve has the advantages of simple structure, good filtering effect, high practical value, and the like.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of filter tap, relate in particular to a kind of filter tap of double-layer filtering net.
Background technique
Filter tap is to filter pretreated device; it also is the indispensable a kind of device of tubing of fed sheet of a media; it usually is installed on hydraulic control valve, reduction valve, Decompression valves, decides the entrance point of the equipment such as water valve; be used for eliminating the impurity in the medium; prevent graininess impurity inlet passage; result in blockage, avoid wearing and tearing and obstruction with the accessory on the protection equipment pipe.
Filter tap is used in industrial production and daily life in a large number, and existing filter tap comprises the elements such as valve body, valve gap, mistake filter core, and valve body includes inner chamber and arm of import and outlet.A kind of filter tap [application number: 201020300385.0 is disclosed such as Chinese patent; Notification number: CN201599489U], it comprises valve body, has a blow down branch that communicates with body cavity at valve body, in blow down branch, be provided with one and cross filter core, be provided with a valve gap that pressed filter core in the port of blow down branch, have a sewage draining exit on the valve gap, the sewage draining exit place is provided with a Sealing.This filter tap utilized filter core that medium is filtered, and can carry out easily blowdown and clean crossing filter core by Sealing is taken off.
But, cross filter core owing in blow down branch, only having fixed one in the above-mentioned filter tap, flow velocity was very fast when medium entered in the valve body, the impurity and the medium that are mixed in the medium have same flow velocity, therefore when medium passes through filter screen, impurity also can part under the effect of this flow velocity with medium together by filter screen, so just cause the effect of filtering undesirable, use value is not high enough.Other adopt the filter tap of similar structure also all to have above-mentioned problem.
Summary of the invention
The objective of the invention is the problems referred to above of existing for prior art, proposed that a kind of result is simple, the filter tap of good filtration effect.
Purpose of the present invention can realize by following technical proposal: a kind of filter tap, comprise that two ends are respectively the valve body of water intake and water outlet, also be provided with a screen pipe that the valve inleting water mouth is connected with the valve body water outlet on the described valve body, the outer end of described screen pipe is connected with the blowdown part, it is characterized in that, be fixed with coarse filtration net and thin filter screen in the described screen pipe, described thin filtration net cover is outside above-mentioned coarse filtration net, and described coarse filtration net and thin filter screen all are the mesh of latticed and coarse filtration net of rule greater than the mesh of thin filter screen.
Filter tap is connected in the pipeline, medium flows into from the water intake of valve body, then enters in the screen pipe to carry out the filtration first time through the coarse filtration net first, and velocity of medium is very fast when filtering owing to the first time, and the mesh of coarse filtration net is larger, residual more impurity still in the medium after therefore for the first time filtering.And because thin filtration net cover outside the coarse filtration net, so medium between two filter screens by the time flow velocity can reduce, and the mesh of thin filter screen is less, therefore can carry out again filtration second time by thin filter screen the time, like this better effects if after twice filtration.
In above-mentioned filter tap, described screen pipe is inclined to set with respect 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 the positioning seat one, have the positioning seat two of annular between described screen pipe inner port and the screen pipe madial wall, the inner of described thin filter screen is resisted against on the 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 at respectively in positioning seat one and the positioning seat two, then load onto the blowdown part, coarse filtration net and thin filter screen are perfectly positioned in the 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 that is threadedly connected to the screen pipe outer end, has the shoulder block of annular on the described gland outer side wall, and described shoulder block is resisted against between screen pipe external port place and shoulder block and the screen pipe outer end and is provided with seal ring.
Gland is connected to the screen pipe outer end by engage thread, when not using, gland seals the outer end of screen pipe, and carries out anti-leak by seal ring, and need to be to carrying out blowdown in the screen pipe or when two filter screens are cleaned, only need gland taken off from screen pipe and get final product.
In above-mentioned filter tap, the outer end of described coarse filtration net leans the inboard 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 be separately fixed at positioning seat one and positioning seat two interior after, again gland is connected on the screen pipe, the outer end of coarse filtration net and thin filter screen leans respectively on the convex shoulder of the annular of the inboard of gland and gland madial wall, so just so that the coarse filtration net and carefully filter screen be positioned in the screen pipe securely.
In above-mentioned filter tap, described convex shoulder has with respect to the inner inside acclivitous confined planes of screen pipe near a side of screen pipe the inner, and the outer end of described thin filter screen leans on confined planes.
When gland was connected on the screen pipe, confined planes applied an inside pressure can for thin filter screen, and the effect of being stressed of so thin filter screen just is limited in the screen pipe.
In above-mentioned filter tap, described blowdown part also comprises the blowdown valve that links by screw thread with gland, and described blowdown valve is connected with screen pipe.
Be connected a blowdown valve that communicates with screen pipe with gland by engage thread, when the screen pipe domestic demand will be carried out blowdown, just need not gland is taken off like this, directly Open valve just can carry out blowdown.
In above-mentioned filter screen, described blowdown valve is ball valve.Ball valve is valve commonly used, 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 by the difference of width of mesh so that the better effects if of filtering is better; When impurities accumulation is more in screen pipe, can carry out blowdown by the blowdown part, also can clean or change filter screen easily simultaneously, use value be high.
Description of drawings
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 this filter tap embodiment two sectional view.
Among the 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
Below be 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 that two ends are respectively the valve body 1 of water intake 2 and water outlet 3, also be provided with a screen pipe 4 on the valve body 1, 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 with respect to valve body 1 and screen pipe 4 is integral structure with valve body 1.
Be fixed with coarse filtration net 5 and thin filter screen 6 in the screen pipe 4, coarse filtration net 5 is enclosed within outside the thin filter screen 6, and coarse filtration net 5 and thin filter screen 6 all are the mesh of latticed and coarse filtration net 5 of rule greater than the mesh of thin filter screen 6.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 the positioning seat 1, has the positioning seat 28 of annular between screen pipe 4 inner port and screen pipe 4 madial walls, and the inner of thin filter screen 6 is resisted against on the positioning seat 28.
As shown in Figure 1, the outer end of screen pipe 4 is connected with the blowdown part, the blowdown part comprises the gland 9 that is threadedly connected to screen pipe 4 outer ends, has the shoulder block 10 of annular on gland 9 outer side walls, and shoulder block 10 is resisted against between screen pipe 4 external port places and shoulder block 10 and screen pipe 4 outer ends and is provided with seal ring 11.The outer end of coarse filtration net 5 leans the inboard at gland 9, the madial wall of gland 9 has the convex shoulder 12 of annular, convex shoulder 12 has with respect to screen pipe 4 inner inside acclivitous confined planes 13 near a side of screen pipe 4 the inners, 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 packed into from the outer end of screen pipe 4 respectively, and the inner that guarantees coarse filtration net 5 and thin filter screen 6 lays respectively at positioning seat 1 and locates in two, then gland 9 is threaded connection in the outer end of screen pipe 4 and with the external port of screen pipe 4 and seals, after gland 9 is packed into, confined planes 13 on gland 9 inboards and gland 9 madial walls can apply inside pressure to coarse filtration net 5 and thin filter screen 6 respectively, and coarse filtration net 5 and thin filter screen 6 just can be positioned in the screen pipe 4 securely like this.
This filter tap is connected in the pipeline, will be with the external port of screen pipe 4 down during installation, and the medium in the pipeline flows into valve bodies 1 inner chamber from the water intake 2 of valve body 1 first, then flows in the screen pipe 4 from valve body 1 inner chamber.In screen pipe 4, medium with impurity filters through coarse filtration net 5 first, then because coarse filtration net 5 overcoats have 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 by thin filter screen 6 time, and carefully filter screen 6 can also filter the impurity in the medium further, and effect is better.Medium after the filtration can flow out from the water outlet 3 of valve body 1, impurity then is filtered in screen pipe 4, when the impurities accumulation in the screen pipe 4 is more, gland 9 can be turned on, impurity in the screen pipe 4 just can be discharged from the external port of screen pipe 4 like this, thereby makes things convenient for despumation and cleaning and filtering net.
Embodiment two
The present embodiment is basic identical with embodiment one structure and principle, and difference is: as shown in Figure 3, the blowdown part in the present embodiment also comprises the blowdown valve 14 that links by screw thread with gland 9, and blowdown valve 14 is connected for ball valve and with screen pipe 4.By a blowdown valve 14 that is connected with screen pipe 4 is set, when the impurities accumulation in the screen pipe 4 is more, gland 9 can be backed out like this, only blowdown just need be opened and can carry out rapidly blowdown, close blowdown valve 14 after blowdown finishes and get final product.Certainly, when cleaning or change filter screen, blowdown valve 14 together need to be backed out together with gland 9.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (7)
1. filter tap, comprise that two ends are respectively the valve body (1) of water intake (2) and water outlet (3), also be provided with a screen pipe (4) that valve body (1) water intake (2) is connected with valve body (1) water outlet (3) on the described valve body (1), the outer end of described screen pipe (4) is connected with the blowdown part, it is characterized in that, be fixed with coarse filtration net (5) and thin filter screen (6) in the described screen pipe (4), described thin filter screen (6) is enclosed within outside the above-mentioned coarse filtration net (5), and described coarse filtration net (5) and thin filter screen (6) all are the mesh of latticed and coarse filtration net (5) of rule greater than the mesh of thin filter screen (6).
2. filter tap according to claim 1, it is characterized in that, described screen pipe (4) is inclined to set with respect to valve body (1) and screen pipe (4) is integral structure with valve body (1), 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 the positioning seat one (7), have the positioning seat two (8) of annular between described screen pipe (4) inner port and screen pipe (4) madial wall, the inner of described thin filter screen (6) is resisted against on the positioning seat two (8).
3. filter tap according to claim 2, it is characterized in that, described blowdown part comprises the gland (9) that is threadedly connected to screen pipe (4) outer end, have the shoulder block (10) of annular on described gland (9) outer side wall, described shoulder block (10) is resisted against between screen pipe (4) external port place and shoulder block (10) and screen pipe (4) outer end and is provided with seal ring (11).
4. filter tap according to claim 3, it is characterized in that, the outer end of described coarse filtration net (5) leans in the inboard of gland (9), and the madial wall of described gland (9) has the convex shoulder (12) of annular, and the outer end of described thin filter screen (6) leans on convex shoulder (12).
5. filter tap according to claim 4, it is characterized in that, described convex shoulder (12) has with respect to the inner inside acclivitous confined planes (13) of screen pipe (4) near the inner side of screen pipe (4), and the outer end of described thin filter screen (6) leans on confined planes (13).
6. according to claim 1 and 2 or 3 or 4 or 5 described filter taps, it is characterized in that, described blowdown part also comprises the blowdown valve (14) that links by screw thread with gland (9), and described blowdown valve (14) is connected with screen pipe (4).
7. according to claim 1 and 2 or 3 or 4 or 5 described filter taps, it 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 true CN103307352A (en) | 2013-09-18 |
| CN103307352B CN103307352B (en) | 2015-11-11 |
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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 |
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| Country | Link |
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| CN (1) | CN103307352B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457055A (en) * | 2014-12-05 | 2015-03-25 | 常州埃姆基冷冻设备有限公司 | Angle type forged steel refrigeration filter |
| CN105822827A (en) * | 2015-01-30 | 2016-08-03 | 志远科技有限公司 | Filter valve |
| CN108626458A (en) * | 2018-06-06 | 2018-10-09 | 浙江盾运实业有限公司 | Combustion gas filter device |
| CN109024777A (en) * | 2018-10-31 | 2018-12-18 | 台州阿尔法阀门有限公司 | Pipe joint fixed plate |
| CN109140018A (en) * | 2018-10-23 | 2019-01-04 | 井方豪 | A kind of infrared induction tap |
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 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457055A (en) * | 2014-12-05 | 2015-03-25 | 常州埃姆基冷冻设备有限公司 | Angle type forged steel refrigeration filter |
| 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 |
| CN105822827A (en) * | 2015-01-30 | 2016-08-03 | 志远科技有限公司 | Filter valve |
| 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 |
| CN109140018A (en) * | 2018-10-23 | 2019-01-04 | 井方豪 | A kind of infrared induction tap |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103307352B (en) | 2015-11-11 |
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