CN102644780B - Automatic spray valve - Google Patents
Automatic spray valve Download PDFInfo
- Publication number
- CN102644780B CN102644780B CN201210155338.5A CN201210155338A CN102644780B CN 102644780 B CN102644780 B CN 102644780B CN 201210155338 A CN201210155338 A CN 201210155338A CN 102644780 B CN102644780 B CN 102644780B
- Authority
- CN
- China
- Prior art keywords
- valve
- memory alloy
- motion bar
- spring
- valve bonnet
- 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
- 239000007921 spray Substances 0.000 title claims abstract description 12
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 37
- 238000013461 design Methods 0.000 abstract description 2
- 239000000306 component Substances 0.000 abstract 1
- 239000008358 core component Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000008447 perception Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000003292 diminished effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to an automatic spray valve which comprises a valve body, a valve cover, a magnetic ring sleeve, a magnetic ring component, a movable rod, a bias spring, a valve cover, a memory alloy, a piston cylinder, a magnetic core component and a piston, wherein the upper part of the movable rod passes through a central hole of the valve cover and protrudes out of the valve cover; the memory alloy is sleeved at the upper part of the movable rod protruding out of the valve cover, the upper end of the memory alloy contacts a spring cap, the lower end of the memory alloy contacts the valve cover, the inner diameter of a spring coil formed by winding the memory alloy is smaller than the outer diameter of the lower part of the movable rod; the spring cap contacts the top end of an adjusting rod, the outer diameter of the upper part of the adjusting rod is smaller than the outer diameter of the lower part of the adjusting rod, and the adjusting rod is connected with the upper part of the movable rod. The double-opened automatic spray valve provided by the invention has the advantages that the spring diameter of the memory alloy is reduced in design, so that the pushing force generated by the memory alloy is several times larger than that of the previous structure and thus the reliability of the opening of the valve is greatly improved; and the valve can be opened or closed through manual fine adjustment when the valve is maintained or tested; since a polygonal limit structure is arranged on the central hole of the top of the valve cover, the installation and change of the valve are convenient.
Description
Technical field
An automatic spray valve, belongs to cooling, fire-fighting automatic control equipment field.
Background technique
Publication No. is that CN102235545A patent document discloses, a kind of automatic passive fire protection spraying valve, and the present invention consists of valve body and temperature controlling head, it is characterized in that comprising valve body, piston diaphragm in valve body, piston packing, valve gap, magnetic ring component, magnet ring cover, reset spring, valve bonnet, memory alloy, spring cap, adjusting nut, depression bar, stage clip, inner sleeve, magnetic column assembly, spool overcoat, valve core housing, piston column; In valve body, have a columnar water outlet, the upper end of water outlet is provided with piston diaphragm; On described piston diaphragm, there is relief hole to coordinate with the piston packing of piston column bottom; Piston column is pressed in magnetic column assembly in valve core housing, to form spool by fill-in pad.Although this automatic passive fire protection spraying valve can open and close automatically, because memory alloy in original design needs relatively large size, the spring footpath of memory alloy is larger, affected the thrust in deformation process, sometimes the valve of not opening, fire occurs at one's discretion, and consequence is hardly imaginable; While needing in addition maintenance or test in application, all cannot accomplish manual fine-tuning opening/shutting valve.
Summary of the invention
Goal of the invention of the present invention is for the deficiencies in the prior art, the fire valve that can automatically open reliably when a kind of fire is provided; And can open or close by manual fine-tuning when maintenance or test; Because polygonal limit structure is arranged on the mesopore of valve bonnet top, make to install and change convenience valve in addition.
The technological scheme that the present invention takes is as follows:
An automatic spray valve, comprises valve body, valve gap, magnet ring cover, magnetic ring component, motion bar, bias spring, valve bonnet, memory alloy, piston cylinder, core assembly and piston, and the top of described motion bar, through the mesopore of described valve bonnet, protrudes from outside described valve bonnet; Described memory alloy is enclosed within the top that protrudes from the motion bar outside valve bonnet, and upper end contacts with spring cap, and lower end contacts with valve bonnet, and the internal diameter that memory alloy is coiled into spring coil is less than the external diameter of the bottom of described motion bar; Spring cap is connected with the top of described adjustable lever; The external diameter on the top of described motion bar is less than the external diameter of bottom; Adjustable lever is connected with the top of described motion bar.
Preferably, the mesopore of valve bonnet is polygon structure; The top of described motion bar is polygon structure, coordinates with the mesopore of valve bonnet.
Preferably, described adjustable lever is provided with screw thread, and the top of described motion bar is provided with tapped hole, and described adjustable lever coordinates with motion bar by screw thread and tapped hole, and described adjustable lever can screw in the top of motion bar.
Preferably, between described memory alloy and valve bonnet, be provided with thermal insulating pad.
Found through experiments, the thrust that the memory alloy wire of same length, same string diameter is made the less memory alloy spring coil in spring footpath is larger, and stroke is larger.Two automatic spray valve of opening provided by the invention, the spring coil being coiled into due to memory alloy is enclosed within the top of motion bar, the external diameter on motion bar top is significantly smaller than the external diameter of motion bar bottom, and the thrust that memory alloy produces, times over structure in the past, has improved the reliability that valve is opened when fire greatly.Because polygonal limit structure is arranged on the mesopore of valve bonnet top, make to install and change convenience valve in addition.
In preferred scheme, because the mesopore of valve bonnet is polygon structure, the top of described motion bar is polygon structure, coordinates with the mesopore of valve bonnet, thereby limiting magnet ring cover can only move up and down, during manual rotation adjustable lever, adjustable lever coordinates with motion bar by screw thread and tapped hole, motion bar fine setting activity up and down, drive core assembly and piston fine setting activity up and down, thereby can finely tune opening/shutting valve.Between described memory alloy and valve bonnet, be provided with thermal insulating pad, can allow the temperature of the more accurate perception surrounding atmosphere of memory alloy; If thermal insulating pad is not set between memory alloy and valve bonnet, owing to being subject to the impact of fluid temperature in other metal parts and pipeline, and metal is hot good conductor, and memory alloy is perception ambient air temperature rapidly.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the mechanism principle figure of automatic spray valve;
Fig. 2 is valve bonnet and motion bar cooperating structure schematic diagram;
In figure, 1 is valve body, and 2 is bolt, and 3 is valve gap, 4 is magnet ring cover, and 5 is magnetic ring component, and 6 is motion bar, 6-1 is the top of motion bar, the bottom that 6-2 is motion bar, and 7 is bias spring, 8 is valve bonnet, the mesopore that 8-1 is valve bonnet, and 9 is adjustable lever, 10 is spring cap, and 11 is memory alloy, and 12 is piston cylinder, 13 is core assembly, and 14 is piston.
Embodiment
Embodiment:
As illustrated in fig. 1 and 2, a kind of automatic spray valve, comprise valve body 1, valve gap 3, magnet ring cover 4, magnetic ring component 5, motion bar 6, bias spring 7, valve bonnet 8, memory alloy 11, piston cylinder 12, core assembly 13 and piston 14, the top 6-1 of described motion bar 6, through the mesopore 8-1 of described valve bonnet 8, protrudes from outside described valve bonnet 8; Described memory alloy 11 is enclosed within the top 6-1 of the motion bar 6 protruding from outside valve bonnet 8, and upper end contacts with spring cap 10, and lower end contacts with valve bonnet 8, and the internal diameter that memory alloy 11 is coiled into spring coil is less than the external diameter of the bottom 6-2 of described motion bar; Spring cap 10 is connected with the top of described adjustable lever 9; The external diameter of the top 6-1 of described motion bar 6 is less than the external diameter of bottom 6-2; Adjustable lever 9 is connected with the top 6-1 of described motion bar 6.The mesopore 8-1 of valve bonnet 8 is polygon structure; The top 6-1 of described motion bar 6 is polygon structure, coordinates with the mesopore 8-1 of valve bonnet 8; Under the polygon structure restriction of the mesopore 8-1 of valve bonnet 8, motion bar 6 can only move up and down; The top 6-1 of motion bar 6 and mesopore 8-1 can be both triangular structure as shown in Figure 2 A, can be also hexagonal structure as shown in Figure 2 B, can also be other polygon structure as shown in Figure 2 C.Described adjustable lever 9 is provided with screw thread, and the top 6-1 of described motion bar 6 is provided with tapped hole, and described adjustable lever 9 coordinates with motion bar 6 by screw thread and tapped hole, and described adjustable lever 9 can screw in the top 6-1 of motion bar 6.Between described memory alloy 11 and valve bonnet 8, be provided with thermal insulating pad, can allow the temperature of the more accurate perception surrounding atmosphere of memory alloy 11.The upper end of bias spring 7 withstands on the top of valve bonnet 8 inwalls, and the lower end of bias spring 7 is pressed on motion bar 6, and magnet ring cover 4 and magnetic ring component 5 are formed to downward pressure.Magnetic ring component 5 is formed by connecting by two above magnet same polarities.Valve body 1 is connected by bolt 2 with valve gap 3; Magnetic ring component 5 is positioned at magnet ring cover 4.In valve body 1, be provided with columnar water outlet, described piston 14 is arranged on described water outlet; On described piston 14, there is relief hole.
After first piston cylinder 12 being inserted from bottom to top to the mesopore of valve gap 3, be welded as a whole; Core assembly 13 is inserted from bottom to top to the inner chamber of piston cylinder 12; Piston 14 is put into valve body 1 corresponding position, chamber; Valve gap with piston cylinder 12 and core assembly 13 3 use bolts 2 are fixed as one with the valve body 1 with piston 14, form valve body part.
Magnetic ring component 5 is put into the inner chamber of magnet ring cover 4; Motion bar 6 and the magnet ring cover 4 formation one that spins, simultaneously that magnetic ring component 5 is fixing; Bias spring 7 is enclosed within from top to bottom on the top 6-1 of motion bar; By the motion bar 6 with magnet ring cover 4, magnetic ring component 5 and bias spring 7, pass from bottom to top the mesopore 8-1 of valve bonnet 8; Valve bonnet 8 by with magnet ring cover 4, magnetic ring component 5, motion bar 6 and bias spring 7, spins fixing with valve gap 3; Now the upper end of bias spring 7 withstands on the inner cavity top of valve bonnet 8, and the bottom of bias spring 7 withstands on the upper end of magnet ring cover 4; Meanwhile, the bottom of magnetic ring component 5 in piston cylinder 12 under the pressure of bias spring 7; Under the effect of the magnetic line of force, the core assembly 13 in piston cylinder 12 is located at the bottom of valve body 1 epicoele, and the relief hole of piston 14 is stopped up; In use, valve is in closed condition.The spiral hole of adjustable lever 9 being inserted to the top 6-1 of motion bar, screws in appropriate position; The top 6-1 that memory alloy 11 is inserted in to motion bar 6 is upper, and spring cap 10 and adjustable lever 9 are spun, and spring cap 10 is pushed down memory alloy 11.
During use, as fire occurs, ambient temperature is greater than in memory alloy set temperature situation, and memory alloy 11 expansions promote spring cap 10 and move up, thereby drive motion bar 6 to move up, and magnetic ring component 5 also together moves up; Core assembly 13 in piston cylinder 12 also together moves up under the effect of magnetic force, has opened the relief hole in piston 14, and the interior upper cavity pressure of valve body 1 is diminished, and valve is in opening state.Otherwise ambient temperature declines, memory alloy 11 shrinks, and magnetic ring component 13 is action downwards under the effect of bias spring 7, core assembly 13 in piston cylinder 12, also together action downwards under the effect of magnetic force, the relief hole in closure piston 14, closes at intake pressure lower valve.
While needing maintenance or test, as long as turn adjustable lever 9, valve can be finely tuned unlatching.Because when turn adjustable lever 9, the top 6-1 of motion bar 6 is polygon structure, and the mesopore 8-1 at valve bonnet 8 tops is also polygon structure, adjustable lever 9 has withstood the top of piston cylinder 12 while moving down, therefore magnet ring cover 4, magnetic ring component 5 and motion bar 6 can only move up and down, drive core assembly 13 and piston 14 fine setting activity up and down, thereby can finely tune opening/shutting valve.
In addition, by manually adjustable lever 9 upwards being carried, thereby drive motion bar 6 to move up, magnetic ring component 5 also together moves up; Core assembly 13 in piston cylinder 12 also together moves up under the effect of magnetic force, has opened the relief hole in piston 14, and the interior upper cavity pressure of valve body 1 is diminished, and valve is in opening state.
Above embodiment's object is to illustrate the present invention, but not limits the scope of the invention, and all application that come by simple change of the present invention all drop in protection scope of the present invention.
Claims (3)
1. an automatic spray valve, comprise valve body (1), valve gap (3), magnet ring cover (4), magnetic ring component (5), motion bar (6), bias spring (7), valve bonnet (8), adjustable lever (9), memory alloy (11), piston cylinder (12), core assembly (13) and piston (14), it is characterized in that, the top (6-1) of described motion bar (6), through the mesopore (8-1) of described valve bonnet (8), protrudes from outside described valve bonnet (8); Described memory alloy (11) is enclosed within the top (6-1) that protrudes from the outer motion bar (6) of valve bonnet (8), upper end contacts with spring cap (10), lower end contacts with valve bonnet (8), and the internal diameter that memory alloy (11) is coiled into spring coil is less than the external diameter of the bottom (6-2) of described motion bar; Spring cap (10) is connected with the top of described adjustable lever (9); The external diameter on the top (6-1) of described motion bar (6) is less than the external diameter of bottom (6-2); Adjustable lever (9) is connected with the top (6-1) of described motion bar (6); The mesopore (8-1) of valve bonnet (8) is polygon structure; The top (6-1) of described motion bar (6) is polygon structure, coordinates with the mesopore (8-1) of valve bonnet (8).
2. automatic spray valve according to claim 1, described adjustable lever (9) is provided with screw thread, the top (6-1) of described motion bar (6) is provided with tapped hole, described adjustable lever (9) coordinates with motion bar (6) by screw thread and tapped hole, and described adjustable lever (9) can screw in the top (6-1) of motion bar (6).
3. automatic spray valve according to claim 1 and 2, is characterized in that, between described memory alloy (11) and valve bonnet (8), is provided with thermal insulating pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210155338.5A CN102644780B (en) | 2012-05-18 | 2012-05-18 | Automatic spray valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210155338.5A CN102644780B (en) | 2012-05-18 | 2012-05-18 | Automatic spray valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102644780A CN102644780A (en) | 2012-08-22 |
| CN102644780B true CN102644780B (en) | 2014-10-15 |
Family
ID=46657787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210155338.5A Active CN102644780B (en) | 2012-05-18 | 2012-05-18 | Automatic spray valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102644780B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672081A (en) * | 2012-09-07 | 2014-03-26 | 全龙浩 | Fire valve capable of spraying in manual and automatic mode and system |
| CN203647932U (en) * | 2013-12-17 | 2014-06-18 | 常景泓 | Fire-fighting sprinkler with automatic opening and closing functions |
| CN105135023B (en) * | 2015-09-25 | 2018-07-17 | 山东博日明能源科技有限公司 | Liquid gas storage tank depressurizes easing valve |
| CN106321934B (en) * | 2016-10-27 | 2018-05-22 | 中国航天建设集团有限公司 | A kind of remote control shower valve |
| CN106439195B (en) * | 2016-10-27 | 2018-09-11 | 中国航天建设集团有限公司 | A kind of improved passive automatic fire control shower valve |
| CA3103628C (en) * | 2018-06-14 | 2024-01-16 | Edward P. Davis | Linear magnetic valve actuator with external magnets and internal magnetic flux path |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101584917A (en) * | 2008-05-19 | 2009-11-25 | 北京星航机电设备厂 | Automatic fire valve with manual operating device |
| CN102235545A (en) * | 2010-04-21 | 2011-11-09 | 全龙浩 | Automatic passive fire protection spraying valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101020872B1 (en) * | 2008-09-26 | 2011-03-09 | 남성정밀 주식회사 | Automatic thermostatic control valve |
| CN202580186U (en) * | 2012-05-18 | 2012-12-05 | 韩效亮 | Automatic sprinkling valve |
-
2012
- 2012-05-18 CN CN201210155338.5A patent/CN102644780B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101584917A (en) * | 2008-05-19 | 2009-11-25 | 北京星航机电设备厂 | Automatic fire valve with manual operating device |
| CN102235545A (en) * | 2010-04-21 | 2011-11-09 | 全龙浩 | Automatic passive fire protection spraying valve |
Non-Patent Citations (1)
| Title |
|---|
| 陈邕麟.普通圆柱螺旋弹簧的计算.《普通圆柱螺旋弹簧的计算》.机械工业出版社,1973,7－8. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102644780A (en) | 2012-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102644780B (en) | Automatic spray valve | |
| US7628378B2 (en) | Proportional solenoid with armature motion sensing | |
| CN202580186U (en) | Automatic sprinkling valve | |
| US5785297A (en) | Valve mechanism | |
| CN202515391U (en) | Pressure-limiting exhaust device of electric pressure cooker | |
| WO2015041904A3 (en) | Power boost assist closed device for actuators | |
| CN202360872U (en) | Automatic fire-fighting spray valve with dual functions of forced opening and detachability | |
| US9903501B2 (en) | Valve assembly | |
| US2547098A (en) | Electromagnetic valve | |
| CN202992309U (en) | Double-opened automatic spray valve | |
| CN102661435A (en) | Biswitch automatic spraying valve | |
| CN203335873U (en) | Built-in packing gland type high-pressure stop valve | |
| CN102563183A (en) | Direct-acting externally piloted one-way sequence valve | |
| CN206206745U (en) | The flexi-mortgage device of temperature-sensing valve | |
| CN102563198A (en) | Manual passive automatic fire valve | |
| US2562392A (en) | Plunger type solenoid with casing | |
| CN204878127U (en) | Quick carminative buffer gear | |
| CN210830637U (en) | Safety valve structure for piston type pressure reducer | |
| CN202203463U (en) | Pressure adjusting valve | |
| CN203809802U (en) | Spring full-lift safety valve | |
| CN102128297B (en) | Directly operated type electromagnetic regulating valve regulated separately | |
| CN207437799U (en) | A kind of gas emergency cut-off valve | |
| CN109899572A (en) | Pilot operated safety valve | |
| CN103277524B (en) | A kind of built-in Gland formula high-pressure stop valve | |
| CN204253123U (en) | Pneumatic valve |
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 | ||
| ASS | Succession or assignment of patent right |
Owner name: JING'ANWEN (BEIJING) SECURITY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HAN XIAOLIANG Effective date: 20150521 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100025 CHAOYANG, BEIJING TO: 100071 FENGTAI, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150521 Address after: The 100071 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 hospital 601 (Park) Patentee after: Capital stable (Beijing) Safe Technology Co., Ltd. Address before: 100025, building 6, building 1, No. ten, Fort 1104, Beijing, Chaoyang District Patentee before: Han Xiaoliang |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160728 Address after: 100025, building 6, building 1, No. ten, Fort 1104, Beijing, Chaoyang District Patentee after: Han Xiaoliang Address before: The 100071 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 hospital 601 (Park) Patentee before: Capital stable (Beijing) Safe Technology Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Han Xiaoliang Document name: Notification to Pay the Fees |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160811 Address after: 450017 Henan city of Zhengzhou Province Ding Road, Zheng Dong New District and Xinyi Road intersection Taiwan building block B room 1301 Patentee after: Henan Vico Anguang Industrial Co., Ltd. Address before: 100025, building 6, building 1, No. ten, Fort 1104, Beijing, Chaoyang District Patentee before: Han Xiaoliang |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180719 Granted publication date: 20141015 |