CN104314412A - Automatic fume exhaust system - Google Patents
Automatic fume exhaust system Download PDFInfo
- Publication number
- CN104314412A CN104314412A CN201410551175.1A CN201410551175A CN104314412A CN 104314412 A CN104314412 A CN 104314412A CN 201410551175 A CN201410551175 A CN 201410551175A CN 104314412 A CN104314412 A CN 104314412A
- Authority
- CN
- China
- Prior art keywords
- single row
- pulley
- wire rope
- row pulley
- vent window
- 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.)
- Granted
Links
- 239000003517 fume Substances 0.000 title abstract 3
- 238000013016 damping Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 40
- 238000004804 winding Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 description 8
- 230000005484 gravity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
- E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
- E05F11/04—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with cords, chains or cables
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Special Wing (AREA)
Abstract
The invention provides an automatic fume exhaust system which comprises a manual shaking device, a steel wire rope, a fuse link, a first single-row pulley, a second single-row pulley, a third single-row pulley, a dual-row pulley and a damping telescopic mechanism. A fusing opening mode is increased, so that the opening reliability of an automatic fume exhaust window is enhanced; furthermore, two steel wire ropes are adopted for lifting two sides of a window body, so that the lifting stability of the window body and the airtightness in window body closing are ensured. The system is simple in structure, easy in wiring and cost-saving.
Description
Technical field
The present invention relates to technical field of fire control, particularly relate to a kind of automatic smoke exhausting system.
Background technology
Current existing automatic opened smoke-discharging window system is complicated, and other system interference in easily being built, sometimes have the phenomenon that vent window cannot be opened under causing fire condition, thus the reliability of vent window is reduced.In addition, existing window, when opening, orders about window unlatching due to only stressed in one end of window or close, and when single casement window area is large, time quality is large, when the stressed one end of window closes and the contact of window frame just comparatively tight, and the other end is not owing to stressing, therefore, automatic smoke exhausting window tightness will reduce relatively, and when window in the open state time, under wind action, the stressed glass window in existing one end can occur to shake unstable phenomenon.
Summary of the invention
The object of the invention is to solve the defect that above-mentioned prior art exists, provide a kind of and can substantially increase reliability that vent window opens, utilize double-steel wire rope opened smoke-discharging window simultaneously, ensure that the dynamic smoke evacuation system of tightness when forms close and stability.
A kind of automatic smoke exhausting system, comprises and manually shakes lifting device, wire rope, fuse link, the first single row pulley, the second single row pulley, the 3rd single row pulley, double pulley, damping Shen Suo mechanism;
Described first single row pulley, double pulley are fixed on one end of the junction of vent window crossing frame and perpendicular window frame, and the 3rd single row pulley is fixed on the other end of described crossing frame; Described second single row pulley to be fixed on crossing frame and to be between the first single row pulley and the 3rd single row pulley;
The one ends wound of described wire rope is manually shaking on lifting device, after the other end walks around the first single row pulley, the second single row pulley successively, its end is divided into 2 wire rope by node, article one, after double pulley walked around by wire rope, its end winding support is on a turning of vent window, and after walking around the 3rd single row pulley after double pulley walked around by another bar of wire rope again, its end winding support is on another turning of vent window;
Described fuse link is arranged on a steel cord, and is provided with one section of reserved wire rope A at fuse link place wire rope, and when fuse link disconnects at a predetermined temperature, reserved wire rope A is straightened; Described damping Shen Suo mechanism is arranged on the both sides of vent window respectively.
Further, automatic smoke exhausting system as above, controls according to the length of reserved wire rope A the angle that vent window opens.
Further, automatic smoke exhausting system as above, the length of described reserved wire rope A is equal with the drag-line B length connecting vent window.
Further, automatic smoke exhausting system as above, described fuse link is arranged on and manually shakes between lifting device and the first single row pulley.
Further, automatic smoke exhausting system as above, the diameter of described wire rope be the first single row pulley, the second single row pulley, the 3rd single row pulley, double pulley the pulley groove degree of depth 1/3rd.
Further, automatic smoke exhausting system as above, described first single row pulley, the second single row pulley, the 3rd single row pulley, double pulley are fixed in the centre of fixed head respectively by fixed head, the gap width between described fixed head and pulley is less than the half of wire rope width.
Further, automatic smoke exhausting system as above, described first single row pulley, the second single row pulley, the 3rd single row pulley, double pulley all adopt stainless steel to make.
Further, automatic smoke exhausting system as above, described crossing frame is provided with motor, servomechanism, telescopic band, and described motor is provided with sliding bar, and this sliding bar can be stretched under the effect of external force or electric power; The one ends wound of described telescopic band is on servomechanism, and the other end fixes sliding bar end, and described second single row pulley is fixed on described sliding bar end; Be furnished with one section of feeding electric motors wire at fuse link place, when reserved wire rope A is straightened, namely feeding electric motors wire is pulled off.
Further, automatic smoke exhausting system as above, the length of described telescopic band is equal with the drag-line B length connecting vent window.
Beneficial effect:
The present invention is owing to adding fusing opening ways, when current existing manually opened, Long-distance Control, fire-fighting link the failure of mode opened smoke-discharging window or invalid time, the temperature of fuse link is disconnected after reaching a defined temperature, now, reserved wire rope A is straightened gradually, vent window then relies on the gravity of self to open, thus improves the reliability of automatic smoke exhausting window unlatching; Adopt two wire rope to draw high smoke evacuation forms both sides simultaneously, ensure that the tightness when stability that forms draw high and forms close.This system architecture is succinct, is easy to wiring, cost-saving.
Accompanying drawing explanation
Fig. 1 is automatic smoke exhausting system architecture schematic diagram of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below technical scheme in the present invention be clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In order to overcome the deficiency of existing vent window reliability, the present invention increases fusing opening ways on the basis of existing manually opened, Long-distance Control, fire-fighting link opened smoke-discharging window, to improve the reliability that vent window is opened.Particularly, existing manually opened, Long-distance Control, in the pattern of fire-fighting link opened smoke-discharging window, all comprise a motor, this motor is used for opening or cutting out vent window, when there is no fire, the unlatching of smoke evacuation bed or closedown rely on the operation of motor to realize, and once breaking out of fire, vent window still can rely on manually opened, Long-distance Control, the mode of fire-fighting link opens vent window, and fusing mode of the present invention is because when various factors all cannot realize opening vent window when these 3 kinds of modes, because fuse link can disconnect at the temperature preset, therefore, manually opened when relying on, Long-distance Control, when the mode of fire-fighting link opens vent window, the temperature of fire can make fuse link disconnect, thus vent window is opened.Lower mask body is set forth the automatic smoke exhausting system detailed description of the invention that the present invention utilizes fuse link to open vent window:
As shown in Figure 1, automatic smoke exhausting system provided by the invention, comprises and manually shakes lifting device 1, wire rope 13, fuse link 2, first single row pulley 9, second single row pulley 6, the 3rd single row pulley 12, double pulley 4, damping Shen Suo mechanism 3;
Described first single row pulley 9, double pulley 4 are fixed on one end of the junction of vent window crossing frame 14 and perpendicular window frame 15, and the 3rd single row pulley 12 fixes the other end of described crossing frame 14, i.e. the junction of described crossing frame 14 and another perpendicular window frame; Described second single row pulley 6 is fixed on crossing frame 14, and this second single row pulley 6 is between the first single row pulley 9 and the 3rd single row pulley 12; The one ends wound of described wire rope 13 is manually shaking on lifting device 1, after the other end walks around the first single row pulley 9, second single row pulley 6 successively, its end is divided into 2 wire rope by node, article one, after double pulley 4 walked around by wire rope, a turning of its end and vent window is fixed, and after the 3rd single row pulley 12 walked around by another bar of wire rope, another turning of its end and vent window is fixed; When vent window is closed, the one ends wound of described wire rope 13 is manually shaking on lifting device 1, along with vent window is opened, manually shakes lifting device 1 and automatically rotates release wire rope.
Operating principle: automatic smoke exhausting system provided by the invention, fuse link is set on a steel cord, one end of wire rope is fixed on and manually shakes on lifting device 1, the other end walks around the first single row pulley 9, after second single row pulley 6, the other end of wire rope is divided into two strands, these two strands walk around double pulley 4 simultaneously after, one end winding support is in one end of vent window, after another stock walks around the 3rd single row pulley 12 again, its end winding support is at the other end of vent window, like this, when needs opened smoke-discharging window, can mode manually, namely rotation manual shakes lifting device 1, be wound around wire rope 13 slow releasing thereon, vent window is opened under gravity gradually, so far, achieve the manually opened mode of smoke evacuation bed, and when cannot manually opening ways opens vent window time, if breaking out of fire, fuse link will disconnect at about 70 DEG C, reserved wire rope A then by stretching gradually, now, can not need rotation manual to shake lifting device 1 because fuse link disconnects, vent window also can be opened under gravity gradually, so far, achieve the double protection opened of vent window, thus improve the reliability of automatic smoke exhausting window unlatching, on the other hand, because the both sides at vent window have installed damping Shen Suo mechanism 3 respectively, therefore window open hourly velocity can not be too fast, be a stable process, make vent window in the process opened, have a buffering, improve the safety that vent window is opened.Again on the one hand, because wire rope is divided into 2 strands after walking around the second single row pulley 6, then the both sides of vent window are separately fixed at, therefore, when closing vent window, its two ends are all stressed, therefore, after closing, the tightness of vent window and window frame is improved, and when vent window is in open mode, under wind action, the stable row of glass window is also strengthened.
Further, the present invention is on the basis of above-mentioned automatic smoke exhausting system, also add the function automatically opening vent window, particularly, described crossing frame 14 is provided with motor 5, servomechanism 11, telescopic band 10, described motor 5 is provided with sliding bar, and this sliding bar can be stretched under the effect of external force or electric power; The one ends wound of described telescopic band 10 is on servomechanism 11, and the other end fixes sliding bar end, and described second single row pulley 6 is fixed on described sliding bar end; Be furnished with one section of feeding electric motors wire at fuse link 2 place, when reserved wire rope A is straightened, namely feeding electric motors wire is pulled off.
Particularly, telescopic band 10 self has elastic pulling force, and when external force is not enough, telescopic band is wrapped on servomechanism 11, and only have when pulling force is necessarily large, telescopic band 10 just can be elongated, when there is no fire, telescopic band is wrapped on servomechanism due to the effect of natural resiliency pulling force, when vent window is closed, the sliding bar of motor internal is drawn out, when needs opened smoke-discharging window, and starter motor, then the sliding bar of motor internal starts to shrink, the pulling force of sliding bar is greater than the elastic pulling force of telescopic band, telescopic band is elongated, thus vent window is opened under gravity, and once when fire occurs, if cannot motor opened smoke-discharging window be passed through, now, fuse link disconnects, owing to being also provided with one section of feeding electric motors wire at fuse link place, after fuse link disconnects, this feeding electric motors wire is also pulled off immediately, after feeding electric motors wire is pulled off, motor does not rerun, therefore, the sliding bar of motor also can not shrink again, now, opening of vent window is just realized by the stretching of reserved wire rope A, therefore, the elongation of reserved wire rope A decides the angle that vent window is opened, in the present embodiment, described reserved wire rope A length is equal with the drag-line B length connecting vent window.
Automatic smoke exhausting system provided by the invention, its mode opening vent window has 3 kinds, one crosses manual mode, realized by shake manual setter, one is automated manner, realize with the operation of crossing motor, a kind of is fusing mode, is realized, usually by the disconnection of fuse link, in not breaking out of fire or fire generation in time, someone operate when, use front 2 kinds of modes just can open vent window, when first two mode lost efficacy when breaking out of fire, vent window can be opened by fuse link, thus further increase the reliability of vent window.
Further, automatic smoke exhausting system as above, when fuse link breaks down or need to change, for the ease of changing, described fuse link 2 is arranged on and manually shakes between lifting device 1 and the first single row pulley 9, and this fuse link 2 is arranged in fire generation place.
Further, automatic smoke exhausting system as above, in order to prevent wire rope from slippage pulley, the diameter of described wire rope be the first single row pulley 9, second single row pulley 6, the 3rd single row pulley 12, double pulley 4 the pulley groove degree of depth 1/3rd.
Further, automatic smoke exhausting system as above, described first single row pulley 9, second single row pulley 6, the 3rd single row pulley 12, double pulley 4 are fixed in the centre of fixed head respectively by fixed head, described fixed head is clamping plate form, pulley is fixed on the centre of clamping plate, therefore, in order to avoid wire rope slips in the gap between fixed head and pulley, the gap width between described fixed head and pulley is less than the half of wire rope width.
Further, automatic smoke exhausting system as above, in order to improve the reliability of vent window further, anti-limited slip wheel blocks motionless because of getting rusty, thus hinder opening of vent window, simultaneously in order to improve automatic smoke exhausting system of the present invention service life, described first single row pulley 9, second single row pulley 6, the 3rd single row pulley 12, double pulley 4 all adopt stainless steel to make.
The technical solution used in the present invention is: this automatic smoke exhausting system comprises manually shakes lifting device, high tensile steel wire rope, fuse link, motor, force aid system, damping telescopic mechanism; High tensile steel wire diameter x, can bear x pulling force.Pulley all adopts Stainless Steel material, can not block do not rotate because of corrosion; Fuse link disconnects automatically when temperature reaches 70 degrees Celsius, and fuse link can bear x pulling force; There is a sliding bar linear electric motors inside, and under external force or electric power effect, this sliding bar can be drawn out; Telescopic band self has elastic pulling force, and when external force is not enough, telescopic band is wrapped on servomechanism, only has the telescopic band when pulling force is necessarily large just can be elongated.
The invention has the beneficial effects as follows: increase fusing opening ways, improve the reliability that automatic smoke exhausting window is opened.Adopt two wire rope to draw high forms both sides simultaneously, ensure that the tightness when stability that forms draw high and forms close.This system architecture is succinct, is easy to wiring, cost-saving.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. an automatic smoke exhausting system, it is characterized in that, comprise and manually shake lifting device (1), wire rope (13), fuse link (2), the first single row pulley (9), the second single row pulley (6), the 3rd single row pulley (12), double pulley (4), damping Shen Suo mechanism (3);
Described first single row pulley (9), double pulley (4) are fixed on one end of the junction of vent window crossing frame (14) and perpendicular window frame (15), and the 3rd single row pulley (12) is fixed on the other end of described crossing frame (14); Described second single row pulley (6) is fixed on crossing frame (14) and goes up and be between the first single row pulley (9) and the 3rd single row pulley (12);
The one ends wound of described wire rope (13) is manually shaking on lifting device (1), after the other end walks around the first single row pulley (9), the second single row pulley (6) successively, its end is divided into 2 wire rope by node, article one, wire rope walk around double pulley (4) afterwards its end winding support on a turning of vent window, walk around again after double pulley (4) walked around by another bar of wire rope the 3rd single row pulley (12) afterwards its end winding support on another turning of vent window;
Described fuse link (2) is arranged on wire rope (13), and be provided with one section of reserved wire rope A at fuse link (2) place wire rope (13), when fuse link (2) disconnects at a predetermined temperature, reserved wire rope A is straightened; Described damping Shen Suo mechanism (3) is arranged on the both sides of vent window respectively.
2. automatic smoke exhausting system according to claim 1, is characterized in that, controls according to the length of reserved wire rope A the angle that vent window opens.
3. automatic smoke exhausting system according to claim 1, is characterized in that, the length of described reserved wire rope A is equal with the drag-line B length connecting vent window.
4. automatic smoke exhausting system according to claim 1, is characterized in that, described fuse link (2) is arranged on and manually shakes between lifting device (1) and the first single row pulley (9).
5. automatic smoke exhausting system according to claim 1, it is characterized in that, the diameter of described wire rope be the first single row pulley (9), the second single row pulley (6), the 3rd single row pulley (12), double pulley (4) the pulley groove degree of depth 1/3rd.
6. automatic smoke exhausting system according to claim 1, it is characterized in that, described first single row pulley (9), the second single row pulley (6), the 3rd single row pulley (12), double pulley (4) are fixed in the centre of fixed head respectively by fixed head, the gap width between described fixed head and pulley is less than the half of wire rope width.
7. automatic smoke exhausting system according to claim 1, it is characterized in that, described first single row pulley (9), the second single row pulley (6), the 3rd single row pulley (12), double pulley (4) all adopt stainless steel to make.
8. according to the arbitrary described automatic smoke exhausting system of claim 1-7, it is characterized in that, described crossing frame (14) is provided with motor (5), servomechanism (11), telescopic band (10), (5) are provided with sliding bar with described motor, and this sliding bar can be stretched under the effect of external force or electric power; The one ends wound of described telescopic band (10) is on servomechanism (11), and the other end fixes sliding bar end, and described second single row pulley (6) is fixed on described sliding bar end; Be furnished with one section of feeding electric motors wire at fuse link (2) place, when reserved wire rope A is straightened, namely feeding electric motors wire is pulled off.
9. automatic smoke exhausting system according to claim 8, is characterized in that, the length of described telescopic band (10) is equal with the drag-line B length connecting vent window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551175.1A CN104314412B (en) | 2014-10-16 | 2014-10-16 | Automatic fume exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551175.1A CN104314412B (en) | 2014-10-16 | 2014-10-16 | Automatic fume exhaust system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104314412A true CN104314412A (en) | 2015-01-28 |
| CN104314412B CN104314412B (en) | 2017-02-15 |
Family
ID=52369708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410551175.1A Active CN104314412B (en) | 2014-10-16 | 2014-10-16 | Automatic fume exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104314412B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592780A (en) * | 2022-02-25 | 2022-06-07 | 北京国风建业门窗制造有限公司 | Fireproof window and manufacturing process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2247046A (en) * | 1990-08-18 | 1992-02-19 | Nuaire Ltd | A load operating mechanism |
| CN2444038Y (en) * | 2000-04-06 | 2001-08-22 | 蔡黎平 | Opening and clossing system for air-vent of automatic exhausting flue and exchanging air at manual machinery |
| CN202832049U (en) * | 2012-09-20 | 2013-03-27 | 陆善祥 | Stealth high airflow and high coverage window |
| CN103821423A (en) * | 2014-02-20 | 2014-05-28 | 宁波合力伟业消防科技有限公司 | Window opening system |
| CN203729770U (en) * | 2014-03-25 | 2014-07-23 | 宁波合力伟业消防科技有限公司 | Window easy-opening system |
| CN204163543U (en) * | 2014-10-16 | 2015-02-18 | 南京建工集团有限公司 | Automatic smoke exhausting system |
-
2014
- 2014-10-16 CN CN201410551175.1A patent/CN104314412B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2247046A (en) * | 1990-08-18 | 1992-02-19 | Nuaire Ltd | A load operating mechanism |
| CN2444038Y (en) * | 2000-04-06 | 2001-08-22 | 蔡黎平 | Opening and clossing system for air-vent of automatic exhausting flue and exchanging air at manual machinery |
| CN202832049U (en) * | 2012-09-20 | 2013-03-27 | 陆善祥 | Stealth high airflow and high coverage window |
| CN103821423A (en) * | 2014-02-20 | 2014-05-28 | 宁波合力伟业消防科技有限公司 | Window opening system |
| CN203729770U (en) * | 2014-03-25 | 2014-07-23 | 宁波合力伟业消防科技有限公司 | Window easy-opening system |
| CN204163543U (en) * | 2014-10-16 | 2015-02-18 | 南京建工集团有限公司 | Automatic smoke exhausting system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592780A (en) * | 2022-02-25 | 2022-06-07 | 北京国风建业门窗制造有限公司 | Fireproof window and manufacturing process |
| CN114592780B (en) * | 2022-02-25 | 2023-08-29 | 北京国风建业门窗制造有限公司 | Fireproof window and manufacturing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104314412B (en) | 2017-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201466571U (en) | Automatic blocking rope ladder support of line working | |
| CN102064497A (en) | Special pulley for automatic suspension and method for suspending insulating flexible ladder using the same | |
| US20240162695A1 (en) | Trap-type live wire terminal insulation cap and indirect live wire insulation method for jumper wire using same | |
| CN204163543U (en) | Automatic smoke exhausting system | |
| CN103821423B (en) | Window controlling system | |
| CN104314412A (en) | Automatic fume exhaust system | |
| CN107394675B (en) | Ground operation hanging and unloading method of door sealing self-locking pulley | |
| CN207134714U (en) | A kind of self-locking somersault coaster for transmission overhead line | |
| CN104282513B (en) | The method of fuse switch and change of fuse thereof | |
| CN103711396B (en) | The window controlling system that multi-mode is opened | |
| CN203684903U (en) | Window opening system | |
| CN205039456U (en) | Patrol and examine electric ranaway for single string | |
| CN108631228A (en) | Cable fixing sleeve filled with extinguishing chemical | |
| CN204088250U (en) | Fuse switch | |
| CN203729770U (en) | Window easy-opening system | |
| CN204238965U (en) | Weight type throttle locking device | |
| CN205759199U (en) | 220kV Twin bundled line electrified operation self-locking backup protection rope | |
| CN103470166B (en) | A kind of antitheft escape window | |
| CN204702975U (en) | One is dried in the air cloth bar | |
| CN211790424U (en) | Controllable unwrapping wire coaster that opens door of two split conductor protection of electric wire netting three-span construction | |
| CN202004369U (en) | Automatic suspension special pulley | |
| CN208544978U (en) | A kind of pulley type building hoist cable shedding-proof apparatus | |
| CN204173790U (en) | A kind of suspension type limit switch | |
| CN102664371B (en) | Method for hanging and dismounting insulated flexible ladder by using automatically-hung special tackle | |
| CN205039505U (en) | Device is prevented pulling by cable at random |
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 |