CN201190817Y - Magnetic check valve - Google Patents
Magnetic check valve Download PDFInfo
- Publication number
- CN201190817Y CN201190817Y CNU2008200344803U CN200820034480U CN201190817Y CN 201190817 Y CN201190817 Y CN 201190817Y CN U2008200344803 U CNU2008200344803 U CN U2008200344803U CN 200820034480 U CN200820034480 U CN 200820034480U CN 201190817 Y CN201190817 Y CN 201190817Y
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- cylindrical shell
- magnetic material
- valve plate
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- magnets
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Abstract
The utility model relates to a magnetic check valve, belonging to the ventilating pipe fitting technical field, which comprises a drum whose two ends are open and a reversible valve plate in the drum, wherein the drum is provided with a table extruded radial and attached with the valve plate, the valve plate and the table are respectively provided with a first magnetic material and a second magnetic material capable of absorbing each other. The magnetic check valve changes the switch method of the prior art and utilizes the polarity difference between the magnetic materials, to realize tight close and avoid damage in the open of the check valve, thereby eliminating reverse irrigation of discharge air and smoke.
Description
Technical field
The utility model relates to a kind of safety check, relates in particular to a kind of safety check that is used on the air pipeline, belongs to ventilation duct accessory technical field.
Background technique
At present, air draft in the building and oil smoke pipeline are gradually to the standpipe of concentrating in employing, compare with conventional pipeline, concentrate the advantage of standpipe to be: not destroy facade, can not influence the insulation polarity energy of peripheral structure, can carry out cold and hot concentrated recovery to discharging gas, the risk that outdoor wind-fall is irritated is little, and the load that outdoor wind invasion causes increases little.
Understand according to the claimant, above-mentioned existing building air draft concentrates the on-off mode of the safety check of dress usefulness in the standpipe generally to be: the valve plate in the safety check is opened, is closed under gravity or gas backstreaming effect under the effect of import and export gas differential pressure.This safety check cuts out because of leaning on gravity or gas backstreaming, so the disadvantage that is not closed completely after existing valve plate to open, and usually causes discharge wind and oil smoke to pour in down a chimney thus.
The model utility content
The technical problems to be solved in the utility model is, proposes a kind of good leak tightness and safety check that the wind that can avoid discharging and oil smoke pour in down a chimney.
The technical solution of the utility model is: a kind of magnetic force safety check, comprise both ends open cylindrical shell, be located at turnover valve plate in the cylindrical shell, be shaped on the table top that extends radially out and can fit with valve plate along it in the described cylindrical shell, contain first magnetic material and second magnetic material of inhaling mutually each other respectively on described valve plate and the table top.
After magnetic force safety check of the present utility model being installed on the concentrated standpipe of building, when discharging wind and oil smoke, after the pressure difference of the import and export air-flow on valve plate two sides overcomes the suction and valve plate gravity (only overcoming the suction of table top in valve plate and the cylindrical shell when valve plate is in non-standard state) of table top in valve plate and the cylindrical shell, make valve plate forward upset and open, wind and oil smoke are discharged from, and still have suction between the interior table top of this moment valve plate and cylindrical shell; When stopping to discharge wind and oil smoke, the pressure difference of the import and export air-flow on valve plate two sides disappears, the suction of valve plate this moment table top in valve plate and cylindrical shell and in gravity, act under (when valve plate is in non-standard state, only being subjected to the suction of table top in valve plate and the cylindrical shell) reverse flip and closing.Because the suction of table top can exist long-term effectively in valve plate and the cylindrical shell, even therefore be obstructed during the valve plate upset or not enough from gravity, valve plate still can fully be closed (being the applying of valve plate end face and table top).Compare existing building and concentrate safety check on the standpipe, can thoroughly stop the disadvantage that is not closed completely after valve plate is opened, thereby eliminate the phenomenon of pouring in down a chimney of discharging wind and oil smoke; It is impaired to have avoided safety check to open in addition.
Description of drawings
Below in conjunction with accompanying drawing safety check of the present utility model is described further.
Fig. 1 is the structural representation of the utility model embodiment one magnetic force safety check.
Fig. 2 is the structural representation of the utility model embodiment two magnetic force safety check.
Fig. 3 is the structural representation of the utility model embodiment three magnetic force safety check.
Fig. 4 is the structural representation of the utility model embodiment four magnetic force safety check.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the structural representation of the utility model embodiment five magnetic force safety check.
Fig. 7 is the structural representation of the utility model embodiment six magnetic force safety check.
Embodiment
Embodiment one
The magnetic force safety check of present embodiment as shown in Figure 1, comprise both ends open cylindrical shell 1, be located at turnover two valve plate 2-1,2-2 in the cylindrical shell 1, each end of two valve plate 2-1,2-2 is hinged with cylindrical shell 1 by same first bearing pin 5, first bearing pin 5 middle part in the cylindrical shell 1 pass and the two ends and the cylindrical shell 1 of first bearing pin 5 affixed.Cylindrical shell 1 radially stretches out two table top 3-1, the 3-2 that formation can be respectively fitted with two valve plate 2-1,2-2 along it in cylindrical shell, be embedded with two first magnet 4-1,4-2 on two valve plate 2-1, the 2-2 respectively, be embedded with two second magnet 6-1, the 6-2 of corresponding two first magnet 4-1,4-2 on two table top 3-1, the 3-2 respectively.Two first magnet 4-1,4-2 respectively with the close side of two second magnet 6-1,6-2 different pole (promptly two first magnet 4-1,4-2 inhale each other mutually with two second magnet 6-1,6-2 respectively) each other, the same each other magnetic polarity of the side between two first magnet 4-1, the 4-2 (promptly repelling each other each other between two first magnet 4-1, the 4-2).
In the use:
1) when not exhaust of safety check, respectively and under two first suctions that produce between two second magnet 6-1, the 6-2, two valve plate 2-1,2-2 fit closely with two table top 3-1,3-2 respectively at two first magnet 4-1,4-2.
2) when the safety check exhaust, act on stream pressure difference on the two sides separately of two valve plate 2-1,2-2 overcome gradually suction and two valve plate 2-1,2-2 from gravity (when two valve plate 2-1, only be subjected to when 2-2 is in non-standard state table top in valve plate and the cylindrical shell suction and not from gravity), force two valve plate 2-1, the upset of 2-2 forward to be opened.Along with two valve plate 2-1,2-2 overturn gradually and open, described two first suction reduce gradually and first repulsive force that produces between two first magnet 4-1, the 4-2 increases gradually.When reaching balance between stream pressure difference and described two first suction and described first repulsive force, form an aperture angle between two valve plate 2-1, the 2-2, this angle is greater than zero degree.
3) when safety check stops exhaust, the air-flow differential power that acts on the two sides separately of two valve plate 2-1,2-2 disappears, two valve plate 2-1,2-2 at described two first suction, described first repulsive force and in gravity under the effect (when two valve plate 2-1, only be subjected to when 2-2 is in non-standard state table top in valve plate and the cylindrical shell suction and less than from gravity), reverse flip is closed.
Obviously, the magnetic force safety check of present embodiment is located at the magnet of valve plate and table top by branch, and the different relative positions between layout magnet the two poles of the earth, utilize the different pole of magnet to inhale mutually, same polarity repels each other and makes when valve plate is closed tightlyer, and make valve plate be subjected to reverse resistance when opening to avoid mechanical deterioration.
Embodiment two
The magnetic force safety check of present embodiment and embodiment one magnetic force check valve structure are basic identical, and as shown in Figure 2, different is: two table top 3-1,3-2 are that the perisporium vertical bending back in cylindrical shell 1 by cylindrical shell 1 one ends forms, and cylindrical shell 1 dwindles at the opening of this end.
Embodiment three
The magnetic force safety check of present embodiment and embodiment one magnetic force check valve structure are similar, as shown in Figure 3, different except that identical are: each end of two valve plate 2-1,2-2 is hinged by two second bearing pin 5-1, the 5-2 and the cylindrical shell 1 that are fixed in cylindrical shell 1 inwall respectively; On cylindrical shell 1 inwall, be embedded with respectively two the 3rd magnet 7-1,7-2 corresponding and that repel each other with two first magnet 4-1, magnet 4-2.
Using process and embodiment one are roughly the same, the difference is that: along with two valve plate 2-1,2-2 overturn gradually and open, between two first magnet 4-1,4-2 and two the 3rd magnet 7-1,7-2, produce two second repulsive forces that increase gradually, make valve plate 2-1,2-2 open Shi Buhui because of excessively upset is impaired.
Embodiment four
The magnetic force safety check of present embodiment and embodiment three magnetic force check valve structure are similar, and as Fig. 4, shown in Figure 5, different except that identical are: 1) two table top 3-1,3-2 by radially in the cylindrical shell 1 the long table face 8 at middle part replace; 2) on long table face 8, be embedded with the 4th magnet 9; 3) two first magnet 4-1,4-2 are replaced by two the 5th magnet 10-1, the 10-2 that are embedded in two valve plate 2-1,2-2 dead end portion respectively, and two the 5th magnet 10-1,10-2 remove with the 4th magnet 9 corresponding also suctions mutually.
Using process and embodiment three roughly the same the difference is that: 1) two valve plate 2-1, be subjected between two the 5th magnet 10-1,10-2 and the 4th magnet 9 two second suctions that produce when 2-2 closes, and fit closely with long table face 8; 2) along with two valve plate 2-1,2-2 overturn gradually and open, between two the 5th magnet 10-1,10-2 and two the 3rd magnet 7-1,7-2, produce two the 3rd repulsive forces that increase gradually, make valve plate 2-1,2-2 open Shi Buhui because of excessively upset is impaired.
Embodiment five
The magnetic force safety check of present embodiment and embodiment four magnetic force check valve structure are basic identical, and as shown in Figure 6, different is: 1) valve plate 2-1 one end is hinged with cylindrical shell 1 an interior side by the 3rd bearing pin 16, and valve plate 2-2 one end is then hinged with cylindrical shell 1 by first bearing pin 5.2) the 6th magnet 11 that is embedded with correspondence and inhales mutually near an end of first bearing pin 5 at valve plate 2-2 with one of two the 5th magnets 10-1, also be shaped on the short table top 12 that radially in cylindrical shell 1, stretches out and can fit with valve plate 2-2 at cylindrical shell 1 inwall, lack the 7th magnet 13 that table top 12 places are embedded with correspondence and inhale mutually with two 10-2 of two the 5th magnets along cylindrical shell 1.3) repel each other each other between two the 5th magnet 10-1, the 10-2.4) cylindrical shell 1 inwall one side the 8th magnet 14 that is embedded with correspondence and repels each other with one of two the 5th magnets 10-1.
So in use, two the 5th magnet 10-1,10-2 respectively and the 3rd suction and the 4th suction that produce between the 6th magnet 11, the 7th magnet 13 make two valve plate 2-1,2-2 tighter when closing; And the 5th repulsive force that produces between the 4th repulsive force that produces between one of two the 5th magnets 10-1 and the 8th magnet 14 and two the 5th magnet 10-1, the 10-2 makes valve plate 2-1,2-2 open Shi Buhui because of excessively upset is impaired.
Embodiment six
The magnetic force safety check of present embodiment is the improvement on embodiment five bases, as shown in Figure 7, replaces two valve plate 2-1,2-2 by a valve plate 2.Valve plate 2 one ends are hinged with cylindrical shell 1 an interior side by the 4th bearing pin 16, the 9th magnet 15 that its other end is embedded with correspondence and inhales mutually with the 7th magnet 13.
During use, the 5th suction that produces between the 7th magnet 13 and the 9th magnet 15 impels valve plate 2 and short table top 12 to fit closely, and the 6th repulsive force that produces between the 8th magnet 14 and the 9th magnet 15 then makes valve plate 2 open Shi Buhui because of excessively upset is impaired.
The magnetic force safety check of present embodiment is compared aforementioned each embodiment, and structure is simpler.
Comprehensive the various embodiments described above, magnetic force safety check of the present utility model is changed the switching form of existing safety check, and the ingenious characteristic of utilizing magnetic polarity material polarity difference realized that not only closure of check ring is tight, but also it is impaired to have avoided safety check to open.What is particularly worth mentioning is that owing to close by magnetic force, so valve plate can be in non-standard state fully, so just makes safety check more convenient and flexible at the mounting type at concentrated ventilation standpipe scene.
Magnetic force safety check of the present utility model is not limited to the various embodiments described above, such as: 1) except by forming the active force between the magnet in that magnet is set respectively on valve plate and the table top, can also be by the active force that other magnetic polarity materials such as magnet and iron content, Cobalt, nickel form magnet and other magnetic polarity material be set on valve plate and table top, valve plate, table top also can integral body be made magnet or are made with other magnetic polarity material monolithic even, as long as form the magnetic force of different pole (inhaling mutually) each other between valve plate and table top; 2) quantity of valve plate, table top also can be three or more; 3) the hinged of valve plate and cylindrical shell can also have other structural type, and same table top can also have other structural type in cylindrical shell; 4) magnet also can be the surface of pasting or being welded on valve plate and table top, perhaps otherwise connects with valve plate and table top; 5) combination in any and form new technological scheme mutually of the technological scheme in the various embodiments described above.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (9)
1. magnetic force safety check, comprise both ends open cylindrical shell, be located at turnover valve plate in the cylindrical shell, be shaped on the table top that extends radially and can fit with valve plate in the described cylindrical shell, it is characterized in that: contain first magnetic material and second magnetic material of inhaling mutually each other respectively on described valve plate and the table top.
2. according to the described magnetic force safety check of claim 1, it is characterized in that: contain the 3rd magnetic material that repels each other with first magnetic material on the described cylindrical shell.
3. according to the described magnetic force safety check of claim 1, it is characterized in that: described valve plate and table top are respectively two, each end of described two valve plates is hinged by same first bearing pin and cylindrical shell, described first bearing pin middle part in the cylindrical shell pass and its two ends and cylindrical shell affixed, described two table tops are to form by radially stretching out in cylindrical shell in cylindrical shell, described first magnetic material is two first magnets that are embedded on described two valve plates, described second magnetic material is two second magnets that are embedded on described two table tops, repels each other each other between described two first magnets.
4. according to the described magnetic force safety check of claim 1, it is characterized in that: described valve plate and table top are respectively two, each end of described two valve plates is hinged by same first bearing pin and cylindrical shell, described first bearing pin middle part in the cylindrical shell pass and its two ends and cylindrical shell affixed, described first magnetic material is two first magnets that are embedded on described two valve plates, described second magnetic material is two second magnets that are embedded on described two table tops, repels each other each other between described two first magnets; Described two table tops are that the perisporium vertical bending back in cylindrical shell by cylindrical shell one end forms, and the opening of described cylindrical shell one end dwindles.
5. according to the described magnetic force safety check of claim 2, it is characterized in that: described valve plate and table top are respectively two, each end of described two valve plates is hinged by two second bearing pins and the cylindrical shell that are fixed in cylinder inboard wall respectively, described two table tops are to form by radially stretching out in cylindrical shell in cylindrical shell, described first magnetic material is two first magnets that are embedded on described two valve plates, described second magnetic material is two second magnets that are embedded on described two table tops, and described the 3rd magnetic material is two the 3rd magnets that are embedded on the described cylinder inboard wall.
6. according to the described magnetic force safety check of claim 2, it is characterized in that: described valve plate is two, each end of described two valve plates is hinged by two second bearing pins and the cylindrical shell that are fixed in cylinder inboard wall respectively, described table top is the long table face at middle part in the cylindrical shell radially, described first magnetic material is two the 5th magnets that are embedded on described two valve plates, described second magnetic material is the 4th magnet that is embedded on the described long table face, and described the 3rd magnetic material is two the 3rd magnets that are embedded on the described cylinder inboard wall.
7. according to the described magnetic force safety check of claim 2, it is characterized in that: described valve plate is two, one end of one of described two valve plates is hinged by a side in the 3rd bearing pin and the cylindrical shell, an end of two of described two valve plates is hinged by first bearing pin and cylindrical shell, described cylinder inboard wall is shaped on the short table tops that radially stretch out and can fit with two of two valve plates along cylindrical shell in cylindrical shell, described first magnetic material is to be embedded in described two valve plates two the 5th magnets of the other end separately; Described second magnetic material is the 7th magnet that is embedded in described short table top place, and described the 3rd magnetic material is the 8th magnet that is embedded in described cylinder inboard wall one side; An end of two of described two valve plates also is embedded with the 6th magnet of inhaling mutually with one of two the 5th magnets, repels each other each other between described two the 5th magnets.
8. according to the described magnetic force safety check of claim 2, it is characterized in that: described valve plate is one, and the one end is hinged by a side in the 4th bearing pin and the cylindrical shell; Described cylinder inboard wall is shaped on the short table top that radially stretches out and can fit with valve plate along cylindrical shell in cylindrical shell, described second magnetic material is the 7th magnet that is embedded in described short table top, described first magnetic material is the 9th magnet that is embedded in the described valve plate the other end, and described the 3rd magnetic material is the 8th magnet that is embedded in described cylinder inboard wall one side.
9. according to each described magnetic force safety check of claim 3-7, it is characterized in that: form an aperture angle between described two valve plates, this angle is greater than zero degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200344803U CN201190817Y (en) | 2008-04-24 | 2008-04-24 | Magnetic check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200344803U CN201190817Y (en) | 2008-04-24 | 2008-04-24 | Magnetic check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201190817Y true CN201190817Y (en) | 2009-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200344803U Expired - Fee Related CN201190817Y (en) | 2008-04-24 | 2008-04-24 | Magnetic check valve |
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| Country | Link |
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| CN (1) | CN201190817Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261480A (en) * | 2010-11-29 | 2011-11-30 | 中国石油大学(北京) | Folding valve plate wing valve |
| CN102913973A (en) * | 2012-10-30 | 2013-02-06 | 宁波方太厨具有限公司 | Range hood outlet housing capable of assisting in quickly opening valve plates |
| CN102927601A (en) * | 2012-10-30 | 2013-02-13 | 宁波方太厨具有限公司 | Air outlet device for range hoods |
| CN102927600A (en) * | 2012-10-30 | 2013-02-13 | 宁波方太厨具有限公司 | Air outlet housing of range hood |
| CN103062422A (en) * | 2012-12-08 | 2013-04-24 | 王永泽 | Large valve |
| CN107906233A (en) * | 2017-12-20 | 2018-04-13 | 浙江理工大学 | A kind of magnetic-type ball check valve |
-
2008
- 2008-04-24 CN CNU2008200344803U patent/CN201190817Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261480A (en) * | 2010-11-29 | 2011-11-30 | 中国石油大学(北京) | Folding valve plate wing valve |
| CN102261480B (en) * | 2010-11-29 | 2013-06-19 | 中国石油大学(北京) | Folding valve plate wing valve |
| CN102913973A (en) * | 2012-10-30 | 2013-02-06 | 宁波方太厨具有限公司 | Range hood outlet housing capable of assisting in quickly opening valve plates |
| CN102927601A (en) * | 2012-10-30 | 2013-02-13 | 宁波方太厨具有限公司 | Air outlet device for range hoods |
| CN102927600A (en) * | 2012-10-30 | 2013-02-13 | 宁波方太厨具有限公司 | Air outlet housing of range hood |
| CN102927601B (en) * | 2012-10-30 | 2015-03-11 | 宁波方太厨具有限公司 | Air outlet device for range hoods |
| CN102927600B (en) * | 2012-10-30 | 2015-04-15 | 宁波方太厨具有限公司 | Air outlet housing of range hood |
| CN102913973B (en) * | 2012-10-30 | 2015-06-03 | 宁波方太厨具有限公司 | Range hood outlet housing capable of assisting in quickly opening valve plates |
| CN103062422A (en) * | 2012-12-08 | 2013-04-24 | 王永泽 | Large valve |
| CN107906233A (en) * | 2017-12-20 | 2018-04-13 | 浙江理工大学 | A kind of magnetic-type ball check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI LANGSHI BUILDING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: NANJING LANDSEA PROPERTIES COMPANY LIMITED Effective date: 20090911 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090911 Address after: Room 3C-1052, No. 2123, Pudong Avenue, Shanghai, 200135 Patentee after: Shanghai Langte Construction Science & Technology Co.,Ltd. Address before: No. 108, Jianye Road, Jiangsu, Nanjing Province, China: 210004 Patentee before: Nanjing Langshi Stock Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 |