CN2090709U - Smoke-and fire-preventing valve - Google Patents
Smoke-and fire-preventing valve Download PDFInfo
- Publication number
- CN2090709U CN2090709U CN 91214517 CN91214517U CN2090709U CN 2090709 U CN2090709 U CN 2090709U CN 91214517 CN91214517 CN 91214517 CN 91214517 U CN91214517 U CN 91214517U CN 2090709 U CN2090709 U CN 2090709U
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- ratchet
- valve
- valve body
- smokeproof
- temperature memory
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Abstract
The utility model provides a smokeproof and fireproofing valve. The smokeproof and fireproofing valve is composed of a valve body, a vane, a long shaft, a torsion spring, an electric operating mechanism, a temperature control device, a contact switch, and a resetting handle. The smokeproof and fireproofing valve is characterized in that a temperature memory spring is adopted by a temperature sensing element to substitute a fusible sheet, thereby, the temperature-sensing element is not needed to be replaced before the smokeproof and fireproofing valve is reset each time, and gear transmission is completely adopted. The smokeproof and fireproofing valve not only can be closed in a temperature control mode, but also can be electrically closed, and can be electrically reset. The smokeproof and fireproofing valve has safe and convenient use, compact structure, reliable transmission, and low cost. The smokeproof and fireproofing valve is suitable for being installed in the pipelines of the ventilation air conditioning systems of the high-rise buildings of a hotel, a restaurant, etc. The smokeproof and fireproofing valve cuts off airflow channels to prevent fires from spreading. The smokeproof and fireproofing valve is especially suitable for the automatic control that a high-rise building implements an integral wind channel.
Description
The utility model relates to a kind of Smoke proofing and fire proofing valve, is made of valve body, blade, major axis, minor axis, torque spring, motor-operating mechanism, attemperating unit, microswitch and reseting handle.
The Smoke proofing and fire proofing valve is the SFD type Smoke proofing and fire proofing valve of capital, Beijing clock air conditioner ventilation plant engineering company for example in the prior art, adopt temperature fuse as attemperating unit, when temperature rises to set point of temperature, fuse sheet disconnects the spring of hanging on the core pestle is come off, and iron core hook and the hook of blade rotating shaft are thrown off, under the effect of spring force, blade is closed finish temperature control and close; Its electronic pass closed procedure is when electromagnet is switched on, moving iron core adhesive is thrown off iron core hook and the hook of blade rotating shaft, blade is closed and finish electronic closing, its weak point is must change fuse sheet after fuse sheet disconnects, reset mode is hand-reset, lever transmission and make transmission reliable inadequately.
The Smoke proofing and fire proofing valve is the DTS type Smoke proofing and fire proofing valve of Beijing instrument and meter for automation seven factories for example in the prior art, used the knob that resets, its weak point is when ratchet resets, reseting handle must be inserted the insertion mouth of winding drum, when shaking rocking handle steel wire rope is retracted, be wound on and finish the unlatching blade that resets on the cylinder, and this Smoke proofing and fire proofing valve can only electronic cutting out and can not temperature control cut out.
Because the work of hand-reset and replacing fuse sheet all must be climbed skyscraper and pierce in the furred ceiling interlayer of not opening wide and be gone to carry out, so above-mentioned two kinds of smoke-and fire-preventing valves use very inconvenient also dangerous, again owing to all adopt the hand-reset mode, implement the automatic control of integral air duct and in control centre smoke-and fire-preventing valve is detected so be not easy to whole hotel, restaurant's contour level building.
The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art, and provide a kind of temperature memory spring that adopts to replace fuse sheet as temperature-sensing element, adopt gear-driven fully, can temperature control close and can electronicly close and the electronic Smoke proofing and fire proofing valve that resets of energy, it all will change temperature-sensing element before need not resetting at every turn, so it is safe and convenient to use, and low price, compact conformation, be applicable to and be installed in the hotel, in the pipeline of the ventilation and air conditioning system of restaurant's contour level building, cut off gas channel, prevent fire spread, be specially adapted to the automatic control that skyscraper is implemented whole air channel.
The purpose of this utility model can reach by following measure: attemperating unit is by temperature memory spring (8), crank arm (7), mast (6) and bearing (9) are formed, cranking arm has a Chang Yuan hole on the end of (7) and the other end has a square hole, temperature memory spring (8) and crank arm (7) have an end in Chang Yuan hole to be enclosed within on the mast (6), two holes that mast (6) passes on the bearing (9) are fixed on the bearing (9) with a screw, on valve body (1), crank arm (7) have an end of square hole to be fixed on the pawl axis (11) of motor-operating mechanism to bearing (9) with two screws and two fixed by nut; Temperature memory spring (8) is to be made by the temperature memory alloy material.
The purpose of this utility model can also reach by following measures: motor-operating mechanism is by little electromagnet (18); Electromagnet (20) resets; Ratchet (13); Ratchet (12); Pawl axis (11); Rocker gear (16); Pinion (14); Rocker arm shaft (17) and spring (19) form; Pawl axis (11) is contained on the valve body (1) by bearing holder (housing, cover) (10); Squarely is all milled at the two ends of pawl axis (11); Screw thread has all been attacked in the termination; Ratchet (12) is enclosed within pawl axis (11) and stretches out the end outside valve body (1) and be fixed tightly on the pawl axis (11) by a nut; Be installed in pawl axis (11) stretch into crank arm (7) on the other end in the valve body (1) form continuous action relation and with the ratchet that is contained on the major axis (2) be sealed relation; The spring (19) that is installed on the valve body (1) withstands on the ratchet (12); Make all the time close contact of ratchet (12) and ratchet (13); Little electromagnet (18) is installed on the valve body (1); Promote ratchet (12) during energising and move and drive other mechanism actions valve blade (5) is closed, and touching is installed in the touch switch on the valve body (1) and reports to the police; Ratchet (13) and pinion (14) are fixed on the major axis (2) with a screw respectively; Rocker gear (16) and rocker arm shaft (17) are assembled together, are fixed on the valve body (1) by axle and axle sleeve; Rocker gear (16) is engagement with pinion (14); The electromagnet that resets (20) is installed on the valve body (1), and promotion rocker gear (16) moves and drives other mechanism actions valve blade (5) is opened during energising.
The purpose of this utility model can also reach by following measure: temperature memory spring (8) is to make with the temperature memory alloy material of 70 ± 2 ℃, 140 ± 2% ℃ or 280 ± 3% ℃.
The purpose of this utility model can also reach by following measure: the temperature memory alloy material is the temperature memory alloy of copper, titanium, molybdenum, tantalum composition.
The drawing of accompanying drawing is described as follows:
The structural representation of Fig. 1-most preferred embodiment of the present utility model;
The schematic diagram of the most preferred embodiment of Fig. 2-motor-operating mechanism of the present utility model.
The utility model is made in conjunction with the accompanying drawings and being described in further detail, with reference to accompanying drawing 1, valve body (1) is the square frame that is welded by certain thickness steel plate, major axis (2) and minor axis (3) are installed in respectively on the valve body (1) by bearing and bearing holder (housing, cover), blade (5) is linked together by screw, nut and major axis (2) and minor axis (3), torque spring (4) has been installed on the minor axis (3) has been constituted valve body.
Attemperating unit is made up of bearing (9), mast (6), temperature memory spring (8) and crank arm (7), cranking arm has a slotted hole on the end of (7) and a square hole is arranged on the other end, temperature memory spring (8) and crank arm (7) have an end of slotted hole to be enclosed within on the mast (6), and crank arm (7) have an end of square opening to be fixed on the pawl axis (11); Two holes that mast (6) passes on the bearing (9) are fixed on the bearing (9) with a screw, bearing (9) with two screws and two fixed by nut on valve body (1); Temperature memory spring (8) is to be made by the temperature memory alloy material; The temperature memory alloy material can be selected 70 ± 2 ℃ for use, 140 ± 2% ℃ or 280 ± 30% ℃ temperature memory alloy material and the temperature memory alloy material of being made up of copper, titanium, molybdenum, tantalum.
Motor-operating mechanism is by little electromagnet (18); Electromagnet (20) resets; Ratchet (13); Ratchet (12); Pawl axis (11); Rocker gear (16); Pinion (14); Rocker arm shaft (17) and spring (19) form; And cover on one and use screw; Nut is fixed in the outer cover on the valve body (1); Major axis (2) extends outside the cover; Reseting handle (15) is fastened on the major axis (2); Pawl axis (11) is contained on the valve body (1) by bearing holder (housing, cover) (10); Squarely is all milled at the two ends of pawl axis (11); Screw thread has all been attacked in the termination; Ratchet (12) be enclosed within pawl axis (11) stretch out outside valve body (1) an end and be fastened on the pawl axis (11) with a nut; Be installed in crank arm (7) that pawl axis (11) stretches on the other end in the valve body (1) and form continuous action relation and be sealed relation with the ratchet (13) that is contained on the major axis (2); Being installed in spring (19) on the valve body (1) withstands on and makes ratchet (12) and ratchet (13) on the ratchet (12) close contact is together all the time; Little electromagnet (18) is installed on the valve body, promotes ratchet (12) during energising and rotates and drive other mechanism action and make valve blade (5) close and touch to be contained in the touch switch on the valve body (1) and report to the police; Ratchet (13) and pinion (14) are fixed on the major axis (2) with a screw respectively; Rocker gear (16) and rocker arm shaft (17) link together by axle and axle sleeve; Be fixed on the valve body (1); Rocker gear (16) and pinion (14) are engagement; Promote rocking arm (16) action during the electromagnet that resets (20) energising, drive other mechanism action valve blade (5) is opened.
Closing of blade (5), unlatching and the testing process of resetting is such: when gas flow temperature in the pipeline rises to setting (for example 70 ± 2 ℃), temperature-sensing element temperature memory spring (8) extends rapidly and (7) action that promotes to crank arm, driving pawl axis (11) and ratchet (12) rotates, ratchet (13) and ratchet (12) take off lock, blade (5) is under the elastic force effect of torque spring (4), clockwise rotate and close, the time, bump was installed in the microswitch on the valve body (1) when ratchet (12) rotated, make stand by lamp on the central control board bright and report to the police, finish whole temperature control and close blade and alarm procedure.
Electronicly close blade and alarm procedure is as follows: when fire takes place, press the OFF switch on the central control room console, little electromagnet (18) energising, promote ratchet (12) and make ratchet (13) and ratchet (12) take off lock, blade (5) clockwise rotates under the elastic force effect of torque spring (4) and closes; Simultaneously, ratchet (12) bump microswitch makes alarm lamp on the central control board bright and report to the police.
The electronic opening process that resets is as follows: press the unlatching button that resets on central control board, the electromagnet (20) that resets energising, promote rocker gear (16) action, the pinion (14) that drive is engaged with together rotates, major axis (2) inhour under the drive of pinion (14) is rotated, tension torque spring (4), blade (5) inhour is rotated and is opened; Simultaneously, sealed again with ratchet (13) the inhour rotation that pinion (14) is fixed on the major axis (2) with ratchet (12), finish the unlatching that resets of valve blade (5), the stand by lamp on the central control room console extinguishes.
The hand-reset opening process is as follows: when needing, inhour is rotated reseting handle, thereby drive the rotation of major axis (2) inhour blade (5) is opened; While is sealed again with ratchet (12) with ratchet (13) the inhour rotation that pinion (14) is fixed on the major axis (2), finishes the hand-reset of valve blade (5) and opens, and the stand by lamp on the central control room console extinguishes.
The electromagnet (20) that resets also can replace with a motor, only needs on the structure to change a little.
The utility model has following advantage than prior art:
1. because attemperating unit adopts the temperature memory spring as temperature-sensing element, make the attemperating unit structure simpler, more reliable performance.
2. need not change owing to temperature-sensing element, thus no longer need to establish inspection socket on the valve body, and make the simple in structure of valve body, work simplification.
3. because motor-operating mechanism adopts gear drive fully, make its compact conformation, reliable transmission.
Since temperature-sensing element need not change with motor-operating mechanism and increased the electronic open function that resets, so no longer need to climb skyscraper or pierce hanging of not opening wide to go to change temperature-sensing element and hand-reset in the interlayer, safety easy to use, service intervals extends to 2-3.
5. realized the closing and the unlatching that resets of control centre's control valve gate flap sheet, and whether detect the duty of valve blade good, and can reach the automatic control in the whole air channel of skyscraper.
6. simple in structure, multiple functional, low price.
Claims (4)
1, a kind of Smoke proofing and fire proofing valve is made of valve body, blade, major axis, minor axis, torque spring, motor-operating mechanism, attemperating unit, touch switch and reseting handle, it is characterized in that:
A, attemperating unit are made up of temperature memory spring (8), crank arm (7), mast (6) and bearing (9), cranking arm has a Chang Yuan hole on the end of (7) and the other end has a square hole, temperature memory spring (8) and crank arm (7) have an end in Chang Yuan hole to be enclosed within on the mast (6), two holes that mast (6) passes on the bearing (9) are fixed on the bearing (9) with a screw, on valve body (1), crank arm (7) have an end of square hole to be fixed on the pawl axis (11) of motor-operating mechanism to bearing (9) with two screws and two fixed by nut;
B, temperature memory spring (8) are to be made by the temperature memory alloy material.
2; Smoke-and fire-preventing valve according to claim 1; It is characterized in that: motor-operating mechanism is by little electromagnet (18); Electromagnet (20) resets; Ratchet (13); Ratchet (12); Pawl axis (11); Rocker gear (16); Pinion (14); Rocker arm shaft (17) and spring (19) form; Pawl axis (11) is contained on the valve body (1) by bearing holder (housing, cover) (10); Squarely is all milled at the two ends of pawl axis (11); Screw thread has all been attacked in the termination; Ratchet (12) is enclosed within pawl axis (11) and stretches out the end outside valve body (1) and be fixed tightly on the pawl axis (11) by a nut; Be installed in pawl axis (11) stretch into crank arm (7) on the other end in the valve body (1) form continuous action relation and with the ratchet that is contained on the major axis (2) be sealed relation; The spring (19) that is installed on the valve body (1) withstands on the ratchet (12); Make all the time close contact of ratchet (12) and ratchet (13); Little electromagnet (18) is installed on the valve body (1), promotes ratchet (12) action during energising; Ratchet (13) and pinion (14) are fixed on the major axis (2) with a screw respectively; Rocker gear (16) and rocker arm shaft (17) are assembled together, are fixed on the valve body (1) by axle and axle sleeve; Rocker gear (16) is engagement with pinion (14); The electromagnet that resets (20) is installed on the valve body (1), promote rocker gear (16) action during energising.
3, Smoke proofing and fire proofing valve according to claim 1 is characterized in that: temperature memory spring (8) is to make with the temperature memory alloy material of 70 ± 2 ℃, 140 ± 2% ℃ or 280 ± 3% ℃.
4, Smoke proofing and fire proofing valve according to claim 1 is characterized in that: the temperature memory alloy material is the temperature memory alloy of copper, titanium, molybdenum, tantalum composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214517 CN2090709U (en) | 1991-05-18 | 1991-05-18 | Smoke-and fire-preventing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214517 CN2090709U (en) | 1991-05-18 | 1991-05-18 | Smoke-and fire-preventing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2090709U true CN2090709U (en) | 1991-12-18 |
Family
ID=4922715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91214517 Granted CN2090709U (en) | 1991-05-18 | 1991-05-18 | Smoke-and fire-preventing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2090709U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514694A (en) * | 2017-09-01 | 2017-12-26 | 浙江水利水电学院 | Indoor apparatus of air conditioner Rouser on fire |
| CN107645870A (en) * | 2017-10-25 | 2018-01-30 | 成都思唯奇科技有限公司 | One kind energy-conservation intelligent switch |
| CN110496339A (en) * | 2019-08-20 | 2019-11-26 | 陶水芳 | A kind of adjustable airborne Flame arrester of hole |
| US10802696B2 (en) | 2019-01-10 | 2020-10-13 | Honeywell International Inc. | Controlling and monitoring a smoke control system |
| US10830487B2 (en) | 2019-01-10 | 2020-11-10 | Honeywell International Inc. | Secured method of controlling a smoke control system |
-
1991
- 1991-05-18 CN CN 91214517 patent/CN2090709U/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514694A (en) * | 2017-09-01 | 2017-12-26 | 浙江水利水电学院 | Indoor apparatus of air conditioner Rouser on fire |
| CN107645870A (en) * | 2017-10-25 | 2018-01-30 | 成都思唯奇科技有限公司 | One kind energy-conservation intelligent switch |
| US10802696B2 (en) | 2019-01-10 | 2020-10-13 | Honeywell International Inc. | Controlling and monitoring a smoke control system |
| US10830487B2 (en) | 2019-01-10 | 2020-11-10 | Honeywell International Inc. | Secured method of controlling a smoke control system |
| US11199959B2 (en) | 2019-01-10 | 2021-12-14 | Honeywell International Inc. | Controlling and monitoring a smoke control system |
| CN110496339A (en) * | 2019-08-20 | 2019-11-26 | 陶水芳 | A kind of adjustable airborne Flame arrester of hole |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE ADDRESS; FROM: ROOM 202, NO. 17, SANDUAN, XIYIHUAN ROAD, CHENGDU CITY, SICHUAN PROVINCE TO: HOUSE 6, DENGCHUZONGHE HOUSE, * CITY ROAD, NO. 61, SANDUAN, XIYIHUAN ROAD, CHENGDU CITY, SICHUAN PROVINCE |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |