CN203797087U - Rotating shaft mounting structure ofhand-operated check valve forpublic flue duct - Google Patents
Rotating shaft mounting structure ofhand-operated check valve forpublic flue duct Download PDFInfo
- Publication number
- CN203797087U CN203797087U CN201420195523.1U CN201420195523U CN203797087U CN 203797087 U CN203797087 U CN 203797087U CN 201420195523 U CN201420195523 U CN 201420195523U CN 203797087 U CN203797087 U CN 203797087U
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- rotating shaft
- plate
- baffle
- transposition
- valve body
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- Expired - Fee Related
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- Mechanically-Actuated Valves (AREA)
- Check Valves (AREA)
Abstract
A rotating shaft mounting structure of a hand-operated check valve for a public flue duct comprises a cylindrical valve body, wherein a rotating shaft is in rotational connection with the valve body; a sealing shaft sleeve is arranged between the rotating shaft and the valve body; the rotating shaft is perpendicular to and fixedly connected with a lifting arm; a first baffle, a second baffle and a third baffle are arranged on therotating shaft; the rotating shaft is sleeved with a torsion spring which is positioned between the first baffle and the second baffle; both ends of thetorsion spring respectively press the valve plate and the valve body; the rotating shaft is sleeved with a memory alloy pressure springwhich is positioned between the second baffle and the third baffle; one end of thememory alloy pressure spring is connected with a transposition plate; the rotating shaft is sleeved with the transposition plate; a limiting plate is arranged on the transposition plate; the transposition plate is clamped with the third baffle and can move in the axial direction of therotating shaft; a fixing bracket is arranged on the valve body; a stop pin in in sliding fit with the surfaces of the transposition plate and the limiting plate are arranged on the fixing bracket. Therotating shaft mounting structure provided by theutility model is simple in structure and reasonable in design, realizes manual opening/closing and automatic fire-resistance closing of the check valvethrough redesign of the transposition plate and the memory alloy pressure spring, and has favorable safety and reliability performances.
Description
Technical field
The utility model belongs to building installation engineering technical field, relates in particular to a kind of mounting structure for rotating shaft of common flue Manual check valve.
Background technique
Along with expanding economy, the people that make start to pay close attention to health standards and the environment of shelter, and increasing resident requires to promote house health standards, and this has proposed new problem to builder and the manager of Modern Residence.Part build expert point out current house build and management on the main leak that exists be: trench general smelly, flue gas stream recharges, it is smooth to ventilate, waste pipe opens wide, upper water pollutes and building gap, the two large principal elements that wherein affect air quality of indoor of housing are: the common flue oil smoke taint of odour of residential building kitchen and toilet exhaust emission pollution.Promote house health standards, the problem of air quality of indoor of housing aspect is urgently to be resolved hurrily.
Common flue, refers in house for kitchen discharge oil smoke and the vertical smokejack of cooking waste gas.Built most of residential quarters for improve ventilation duct air draft ability, prevent dirty gas crossfire, in toilet and kitchen, the ventilation duct that passes through each floor is all vertically set, after the flue gas in each floor toilet and kitchen being collected by resident oneself installation ventilating fan and range hood, concentrate and discharge.Flue, for improving air quality in house, reduces kitchen pollution harm, and improving indoor sanitation condition has important effect, is also one of important means improving IAQ.But due to existing building code for flue sectional area and discharge capacity require indefinitely, cause current residence chimney neck market more chaotic, new technology adopts ineffective, causes the flue sectional area of high residential building generally less, discharge capacity is not enough.Often flue has become " air waste pipe ".Pollution sources of Zhe Shi resident family air, have had a strong impact on resident's living quality, and the problem that therefore how to solve dirty gas crossfire in high residential building seems very important.
At present, the valve plate seal form of the common air flue check valve in residential building mostly is and relies on gravity sealing, at Action of Gravity Field lower valve plate, naturally droops and covers the mouth of pipe.When the gas outlet means work such as kitchen ventilator, rely on blast that valve plate is backed down, so valve plate weight can be very not large yet, and little weight cause sealing not tight.Also can cause extra burden to gas outlet meanss such as kitchen ventilators simultaneously.Existing a lot of common air flue check valve does not possess frpf function.Once the low floor generation condition of a fire, the intensity of a fire can be in common flue rapid spread, and overflow and cause high-storey to catch fire from safety check.There is part safety check to possess fire resistance property, need hand reset, and operation inconvenience, safety check dismounting could need to be resetted.Once because other reason causes these safety check that possess fire resistance property surprisingly to trigger fire prevention insurance, will bring the inconvenience in use to user in common flue.Therefore in order better to solve sealing and fire safety problem, need a kind of common flue fire-preventing check valve badly.
Model utility content
The utility model is in order to solve deficiency of the prior art, provide a kind of reasonable in design, simple in structure, with low cost, can manual unlocking and close and possess the mounting structure for rotating shaft of the common flue Manual check valve of fire-proof function.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: the mounting structure for rotating shaft of common flue Manual check valve, comprise cylindrical circular valve body, on described valve body, be rotatably connected to rotating shaft, between rotating shaft and valve body, be provided with sealing axle sleeve, rotating shaft is vertical and be fixedly connected with and carry arm, rotating shaft is provided with the first baffle plate, second baffle and the 3rd baffle plate, in rotating shaft, between the first baffle plate and second baffle, be coated with torsion spring, being pressed in respectively on valve plate and valve body of torsion spring two ends, in rotating shaft, between second baffle and the 3rd baffle plate, be coated with memory alloy stage clip, one end of memory alloy stage clip is connected with the transposition plate being set in rotating shaft, transposition plate is provided with limiting board, transposition plate and the 3rd baffle plate clamping and can move along the axial direction of rotating shaft, valve body is provided with fixing frame, fixing frame is provided with the backing pin coordinating with transposition plate and limiting board surface sliding, backing pin is vertical with rotating shaft.
On described the 3rd baffle plate, be arranged with two draw-in grooves, transposition plate is provided with the connecting key being plugged in respectively in draw-in groove, connect the thickness that key length is greater than the 3rd baffle plate, transposition plate surface is curved-surface structure, limiting board one end is connected with the transition of transposition plate surface curve, between the limiting board the other end and transposition plate, is provided with restraining groove.
Adopt technique scheme, common flue Manual check valve is also included in the valve plate for switching valve body hinged on valve body and the Manual drive mechanism that is connected to rotating shaft one end, valve plate outer surface is provided with chute, in chute, slidably connect along the slide block sliding perpendicular to rotor shaft direction, slide block is hinged with one end of carrying arm.
Described Manual drive mechanism comprises connecting rod and bracing wire, and connecting rod is perpendicular to rotating shaft, and connecting rod one end is fixedly connected with roller end, and bracing wire is connected to the other end of connecting rod.
The effect of carrying arm is valve plate is mentioned and push down.In the process of mentioning and pushing down, rotating shaft is rotated to drive and is carried arm, carrying arm and pull slide block to slide in chute, can mention angle by the transposition plate in rotating shaft and the backing pin locking being fixed on valve body (conduit enclosure), is to provide torsion to push down by the torsion spring in rotating shaft while pressing down.When common flue has the condition of a fire to occur, memory alloy stage clip is at high temperature out of shape and pulls the transposition plate being attached thereto to depart from backing pin, now no matter how pull bracing wire drive shaft to rotate, rotating shaft drives transposition plate also can not contact with backing pin, at this moment just can not valve plate be mentioned to locking by carrying arm, valve plate under the torsion of torsion spring in normally off.
Transposition plate is a kind of sheet metal part that has special construction, different according to rotating shaft driven rotary angle, can allow the backing pin of contact with it fall on the different structure face of transposition plate, thereby reach the locking and unlocking object.The use of transposition plate can make a bracing wire of user's one direction operation just can realize the opening and closing of valve plate.The mounting point of considering safety check is generally higher, and using bracing wire to rotate by connecting rod drive shaft is an extraordinary selection.
Memory alloy stage clip is the Compress Spring that a kind of memory alloy is made, and provides pressure to keep contacting of transposition plate surface and backing pin to transposition plate during normal temperature state.Under high temperature, memory alloy stage clip axial shrinkage pulls transposition plate to leave backing pin.
The specific operation process of common flue Manual check valve is as follows:
When pulling bracing wire, bracing wire drives rotating shaft to rotate by connecting rod, overcome the active force of torsion spring, because the draw-in groove on third gear plate coordinates with the connecting key on transposition plate, rotating shaft can drive the rotation of transposition plate, by rotating shaft, by carrying arm, pull slide block to slide in chute, thereby drive valve plate to start to open from closed condition.As shown in Figure 5, after valve plate rotates to several angle, backing pin starts at transposition plate and limiting board surface sliding (" one " position), under the effect of memory alloy stage clip, transposition plate contacts with backing pin all the time with limiting board, after in arriving Fig. 5, backing pin falls in the middle of the restraining groove between limiting board and transposition plate during the process of " two " position (" three " position), rotating shaft is locked, thereby by the valve plate locking of carrying arm and being attached thereto, valve plate is in open mode.
When continuing to pull bracing wire, backing pin position is " five " position in Fig. 5, now unclamps bracing wire.Valve plate falls under the torsion of torsion spring, drives and carries arm simultaneously, drives rotating shaft to rotate simultaneously, and rotating shaft drives transposition plate to rotate with it simultaneously, and limiting board slips over from backing pin sidepiece, until the backing pin that slips away.Valve plate is the expedite closed position (" one " position) of falling under the torsion of torsion spring finally.
While having the condition of a fire to occur in common flue, memory alloy stage clip pulls transposition plate and limiting board away from backing pin while being subject to high-temperature baking distortion, and connecting key endwisely slips along draw-in groove simultaneously, guarantee connecting key not with the 3rd baffle plate on draw-in groove depart from.Now no matter how bracing wire, transposition plate and limiting board can not be locked on backing pin, even if having, forget the valve plate of closing, and at transposition plate and limiting board, leave after backing pin, and valve plate also can automatically be transferred and close.
Main design thought of the present utility model is exactly can be by the opening and closing state of single bracing wire operation change valve plate, and by using the generation of the memory alloy material reply condition of a fire.Wherein being used in conjunction with of transposition plate and backing pin can solve the change that one direction bracing wire operates lower variable locking state.The utility model is simple in structure, reasonable in design, realizes hand switch and the automatic fire prevention of safety check close by redesigning transposition plate and memory alloy stage clip, has good safety and reliability.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of common flue Manual check valve;
Fig. 2 is the perspective view of common flue Manual check valve;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the structural representation of transposition plate in the middle of the utility model;
Fig. 5 pulls the locking and unlocking view between transposition plate and backing pin in bracing wire process.
Embodiment
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, common flue Manual check valve, comprise cylindrical circular valve body 1, on valve body 1, be hinged with the valve plate 7 for switching valve body 1, on valve body 1, be rotatably connected to rotating shaft 5, between rotating shaft 5 and valve body 1, be provided with sealing axle sleeve 10, rotating shaft 5 one end are connected with Manual drive mechanism, valve plate 7 outer surfaces are provided with chute 9, in chute 9, slidably connect along the slide block 8 sliding perpendicular to rotating shaft 5 directions, between slide block 8 and rotating shaft 5, be provided with and carry arm 6 perpendicular to rotating shaft 5, carrying arm 6 is fixedly connected with rotating shaft 5, carry arm 6 hinged with slide block 8, rotating shaft 5 is provided with the first baffle plate 5-1, second baffle 5-2 and the 3rd baffle plate 5-3, in rotating shaft 5, between the first baffle plate 5-1 and second baffle 5-2, be coated with torsion spring 2, being pressed in respectively on valve plate 7 and valve body 1 of torsion spring 2 two ends, in rotating shaft 5, between second baffle 5-2 and the 3rd baffle plate 5-3, be coated with memory alloy stage clip 3, one end of memory alloy stage clip 3 is connected with the transposition plate 13 being set in rotating shaft 5, transposition plate 13 is provided with limiting board 13-2, transposition plate 13 and the 3rd baffle plate 5-3 clamping and can move along the axial direction of rotating shaft 5, valve body 1 is provided with fixing frame 4, fixing frame 4 is provided with the backing pin 4-1 coordinating with transposition plate 13 and limiting board 13-2 surface sliding, backing pin 4-1 is vertical with rotating shaft 5.
On the 3rd baffle plate 5-3, be arranged with two draw-in grooves, transposition plate 13 is provided with the connecting key 13-1 being plugged in respectively in draw-in groove, the length of connecting key 13-1 is greater than the thickness of the 3rd baffle plate 5-3, transposition plate 13 surfaces are curved-surface structure, limiting board 13-2 one end is connected with the 13 surface curve transition of transposition plate, between the limiting board 13-2 the other end and transposition plate 13, is provided with restraining groove 13-3.
Manual drive mechanism comprises connecting rod 11 and bracing wire 12, and connecting rod 11 is perpendicular to rotating shaft 5, and connecting rod 11 one end are fixedly connected with rotating shaft 5 ends, and bracing wire 12 is connected to the other end of connecting rod 11.
The specific works using process of common flue Manual check valve is as follows:
When pulling bracing wire 12, bracing wire 12 drives rotating shaft 5 to rotate by connecting rod 11, overcome the active force of torsion spring 2, because the draw-in groove on third gear plate coordinates with the connecting key 13-1 on transposition plate 13, rotating shaft 5 can drive the rotation of transposition plate 13, by rotating shaft 5, by carrying arm 6, pull slide block 8 in the interior slip of chute 9, thereby drive valve plate 7 to start to open from closed condition.As shown in Figure 5, after valve plate 7 rotates to several angle, backing pin 4-1 starts at transposition plate 13 and limiting board 13-2 surface sliding (" one " position), under the effect of memory alloy stage clip 3, transposition plate 13 contacts with backing pin 4-1 all the time with limiting board 13-2, after in arriving Fig. 5, backing pin 4-1 falls in the middle of the restraining groove 13-3 between limiting board 13-2 and transposition plate 13 during the process of " two " position (" three " position), rotating shaft 5 is locked, thereby by the valve plate of carrying arm 6 and being attached thereto 7 lockings, valve plate 7 is in open mode.
When continuing to pull bracing wire 12, " five " position in Fig. 5, backing pin 4-1 position, now unclamps bracing wire 12.Valve plate 7 falls under the torsion of torsion spring 2, drives simultaneously and carries arm 6 whereabouts, drives rotating shaft 5 to rotate simultaneously, and rotating shaft drives transposition plate 13 to rotate with it simultaneously, and limiting board 13-2 slips over from backing pin 4-1 sidepiece, until the backing pin 4-1 that slips away.Valve plate 7 is the expedite closed position of falling under the torsion of torsion spring 2 finally.
While having the condition of a fire to occur in common flue, memory alloy stage clip 3 pulls transposition plate 13 and limiting board 13-2 away from backing pin 4-1 while being subject to high-temperature baking distortion, simultaneously connecting key 13-1 endwisely slips along draw-in groove, guarantee connecting key 13-1 not with the 3rd baffle plate 5-3 on draw-in groove depart from.Now no matter how bracing wire 12, it is upper that transposition plate 13 and limiting board 13-2 can not be locked in backing pin 4-1, even if having, forgets the valve plate 7 of closing, and at transposition plate 13 and limiting board 13-2, leaves after backing pin 4-1, and valve plate 7 also can automatically be transferred and close.
After the condition of a fire is removed, memory alloy stage clip 3 reinstatement at normal temperatures, promotes again transposition plate 13, and transposition plate limiting board 13-2 is contacted with backing pin 4-1, recovers normally to use.
The present embodiment is not done any pro forma restriction to shape of the present utility model, material, structure etc.; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all belong to the protection domain of technical solutions of the utility model.
Claims (2)
1. the mounting structure for rotating shaft of common flue Manual check valve, comprise cylindrical circular valve body, it is characterized in that: on described valve body, be rotatably connected to rotating shaft, between rotating shaft and valve body, be provided with sealing axle sleeve, rotating shaft is vertical and be fixedly connected with and carry arm, rotating shaft is provided with the first baffle plate, second baffle and the 3rd baffle plate, in rotating shaft, between the first baffle plate and second baffle, be coated with torsion spring, being pressed in respectively on valve plate and valve body of torsion spring two ends, in rotating shaft, between second baffle and the 3rd baffle plate, be coated with memory alloy stage clip, one end of memory alloy stage clip is connected with the transposition plate being set in rotating shaft, transposition plate is provided with limiting board, transposition plate and the 3rd baffle plate clamping and can move along the axial direction of rotating shaft, valve body is provided with fixing frame, fixing frame is provided with the backing pin coordinating with transposition plate and limiting board surface sliding, backing pin is vertical with rotating shaft.
2. the mounting structure for rotating shaft of common flue Manual check valve according to claim 1, it is characterized in that: on described the 3rd baffle plate, be arranged with two draw-in grooves, transposition plate is provided with the connecting key being plugged in respectively in draw-in groove, connect the thickness that key length is greater than the 3rd baffle plate, transposition plate surface is curved-surface structure, limiting board one end is connected with the transition of transposition plate surface curve, between the limiting board the other end and transposition plate, is provided with restraining groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195523.1U CN203797087U (en) | 2014-04-22 | 2014-04-22 | Rotating shaft mounting structure ofhand-operated check valve forpublic flue duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195523.1U CN203797087U (en) | 2014-04-22 | 2014-04-22 | Rotating shaft mounting structure ofhand-operated check valve forpublic flue duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203797087U true CN203797087U (en) | 2014-08-27 |
Family
ID=51379297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420195523.1U Expired - Fee Related CN203797087U (en) | 2014-04-22 | 2014-04-22 | Rotating shaft mounting structure ofhand-operated check valve forpublic flue duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203797087U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805402A (en) * | 2016-05-12 | 2016-07-27 | 内蒙古科技大学 | Automatic temperature adjusting valve |
| CN104405933B (en) * | 2014-10-21 | 2016-10-05 | 江苏亿阀集团有限公司 | A kind of low temperature Double-disc type check valve based on memory alloy elastic element |
| CN106523718A (en) * | 2016-11-15 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Exhaust adjusting valve structure |
| CN106704646A (en) * | 2017-03-13 | 2017-05-24 | 杭州小米环境科技有限公司 | Fireproof check valve |
| CN109531843A (en) * | 2018-11-20 | 2019-03-29 | 戴美想 | A kind of overflow drainage device |
| CN109899591A (en) * | 2017-12-11 | 2019-06-18 | 中国科学院大连化学物理研究所 | A kind of temperature detect switch (TDS) and the fuel cell with the temperature detect switch (TDS) pass in and out gas system |
| CN109990120A (en) * | 2017-12-29 | 2019-07-09 | 宁波方太厨具有限公司 | A kind of double valve sheet fireproof check valve for flue |
-
2014
- 2014-04-22 CN CN201420195523.1U patent/CN203797087U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405933B (en) * | 2014-10-21 | 2016-10-05 | 江苏亿阀集团有限公司 | A kind of low temperature Double-disc type check valve based on memory alloy elastic element |
| CN105805402A (en) * | 2016-05-12 | 2016-07-27 | 内蒙古科技大学 | Automatic temperature adjusting valve |
| CN105805402B (en) * | 2016-05-12 | 2018-05-15 | 内蒙古科技大学 | A kind of Automatic temp. adjusting valve |
| CN106523718A (en) * | 2016-11-15 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Exhaust adjusting valve structure |
| CN106523718B (en) * | 2016-11-15 | 2019-02-12 | 安徽江淮汽车集团股份有限公司 | A kind of exhaust regulating valve structure |
| CN106704646A (en) * | 2017-03-13 | 2017-05-24 | 杭州小米环境科技有限公司 | Fireproof check valve |
| CN109899591A (en) * | 2017-12-11 | 2019-06-18 | 中国科学院大连化学物理研究所 | A kind of temperature detect switch (TDS) and the fuel cell with the temperature detect switch (TDS) pass in and out gas system |
| CN109990120A (en) * | 2017-12-29 | 2019-07-09 | 宁波方太厨具有限公司 | A kind of double valve sheet fireproof check valve for flue |
| CN109990120B (en) * | 2017-12-29 | 2024-01-16 | 宁波方太厨具有限公司 | Double-valve-plate flue fireproof check valve |
| CN109531843A (en) * | 2018-11-20 | 2019-03-29 | 戴美想 | A kind of overflow drainage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20150422 |
|
| EXPY | Termination of patent right or utility model |