CN103883242A - Energy-saving fireproof rolling shutter door - Google Patents
Energy-saving fireproof rolling shutter door Download PDFInfo
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- CN103883242A CN103883242A CN201410054760.0A CN201410054760A CN103883242A CN 103883242 A CN103883242 A CN 103883242A CN 201410054760 A CN201410054760 A CN 201410054760A CN 103883242 A CN103883242 A CN 103883242A
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- rolling shutter
- fire
- shutter door
- spring
- bayonet lock
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Abstract
An energy-saving fireproof rolling shutter door comprises a triggering mechanism, a transmission mechanism and a fireproof rolling shutter door body. After an insurance fuse and power fuse of the triggering mechanism is melted, a power spring pulls a first steel rope. The surface of a rotary shaft of the transmission mechanism is provided with swing rods, one end of the rotary shaft is inserted in a base, and the rotary shaft is provided with a counterweight. A spring in the compressed state is arranged in a switch. A clamping rod of a T-shaped clamping pin penetrates out of the switch frame of the switch. A second steel rope is connected to the swing rods and an end cap of the T-shaped clamping pin. The upper edge of the fireproof rolling shutter door body fixedly wraps a door shaft, the upper portion of the fireproof rolling shutter door body wraps the door shaft, and a roller of the T-shaped clamping pin is used for clamping the fireproof rolling shutter door body. After the two fuses are melted, the first steel rope pulls the clamping pin to release the counterweight for rotation, the swing rods pulls the T-shaped clamping pin through the second steel rope to release the limit of the fireproof rolling shutter door body, and the fireproof rolling shutter door body drops. By the aid of the energy-saving fireproof rolling shutter door, the problem of dropping the rolling shutter door under no-body or power-off condition or when people cannot get close to the door is solved, and the energy-saving fireproof rolling shutter door is safe and reliable.
Description
Technical field
The invention belongs to fire prevention field, particularly a kind of efficient energy-saving fire resistance rolling shutter door, is applicable to the places such as megastore, warehouse and school.
Background technology
In the historical long river of human development, fire brings civilization and progress, light and warm to the mankind.But it is the mankind's friend sometimes, be the enemy of mankind sometimes.Out of control fire, will cause disaster to the mankind.Along with social development, when the wealth of society is increasing, cause the danger of breaking out of fire also increasing, the harmfulness of fire is also increasing.According to statistics, China's the 70's fire annual mean is lost less than 2.5 hundred million yuan, and the fire annual mean of the 80's is lost less than 3.2 hundred million yuan.Entered for the 90's, particularly, since 1993, the direct property loss that fire causes rises to average annual tens00000000 yuan, average annual dead people more than 2000.Fact proved, along with society and expanding economy, firemanic importance is just more and more outstanding." fire preventing and reduce the harm of fire " is the general overview to fire-fighting legislation meaning, comprised two layers of meaning: the one, carry out the work in every of fire preventing, and prevent fire; The 2nd, fire is absolutely not impossible, once and breaking out of fire just should be puted out a fire to save life and property in time, effectively, the harm of minimizing fire.How, in the time that fire just occurs, fire extinguishing is a great problem rapidly.Catch fire from triggering fire resistance rolling shutter door if can have, at very first time isolation burning things which may cause a fire disaster, stop fire spreading, this has major contribution to fire-fighting cause.
Summary of the invention
The object of the invention, has been to provide a kind of efficient energy-saving fire resistance rolling shutter door, solves in the time that fire occurs nobody, puts down fire resistance rolling shutter door problem without electricity and people can not be close in the situation that.
The technical scheme adopting is:
A kind of efficient energy-saving fire resistance rolling shutter door, comprises trigger mechanism, transmission mechanism, at least one switch and at least one fire resistance rolling shutter door.
Its technical essential is:
Trigger mechanism comprises that shell, power spring, relief spring, fuse melting silk, power fusible link, slide block and spill stop piece.
Shell comprises and being interconnected and vertical the first housing and the second housing.
The first housing and the second housing junction are provided with orthogonal the first card frame and the second card frame, and the first housing and the first card frame are positioned at straight line, and the second housing and the second card frame are positioned at straight line.
The first card frame, the second card frame, the first housing and the second housing are structure as a whole.
Spill stops piece and comprises the first support plate and the second support plate that are parallel to each other, and the first support plate is fixed on connecting plate one end, and the second support plate is fixed on the connecting plate other end, and the first support plate and the second support plate are all perpendicular with connecting plate.Between the first support plate and the second support plate, form groove.
Relief spring one end is fixedly connected with the first shell inner surface, and the relief spring other end is fixedly connected with the first support plate, between the second support plate and the first card frame, is connected with fuse melting silk.
Relief spring be configured to fuse melting silk have no progeny draw spill stop piece, relief spring is in extended state.
In the second card frame, be provided with slide block, in the second housing, be provided with power spring.
Power spring one end is fixedly connected with the second shell inner surface, the power spring other end is connected with the second connection steel wire, second connects steel wire through after connecting plate, second connects steel wire is fixedly connected with slide block one end, the slide block other end is fixedly connected with first wire rope one end with one end of power fusible link simultaneously, and the other end of power fusible link is fixedly connected with the second card frame.
Power spring is configured to power fusible link and has no progeny and draw slide block, and power spring is in extended state.
Spill stops the groove of piece and is positioned at the second card frame one side, and spill stops piece and is configured to trigger mechanism first support plate restriction slide block when not triggering and moves, and when trigger mechanism triggers, spill stops piece and moves, and slide block enters the groove of spill obstruction piece.
Transmission mechanism, comprises rotating shaft, spring leaf, bayonet lock and pedestal.
Rotating shaft surface is fixed with at least one fork, and rotating shaft one end is plugged in the installing hole of pedestal, and can in the installing hole of pedestal, rotate.
On pedestal, be fixed with spring leaf, bayonet lock is fixedly located on spring leaf, and bayonet lock one end is fixedly connected with the first wire rope other end.
In rotating shaft, be fixed with balancing weight, the bayonet lock other end is plugged in the installing hole of balancing weight.
The position of balancing weight in rotating shaft is after bayonet lock is removed the restriction of balancing weight, drives rotating shaft to rotate thereby balancing weight relies on gravity to be rotated down around the shaft.
Switch comprises switch body, spring, roller and T shape bayonet lock.
In switch body, be provided with spring, push up with end cap and the switch body contacted inner surfaces of T shape bayonet lock respectively at the two ends of spring, in compressive state.
The end cap of T shape bayonet lock is connected with second wire rope one end, is integrally formed with switch card frame in switch body, and the kelly of T shape bayonet lock is through the first hole and second hole of switch card frame, and kelly end is provided with roller.The second wire rope other end is fixed on fork.
On supporter, offer at least one fire resistance rolling shutter door installing port, in fire resistance rolling shutter door installing port, be provided with fire resistance rolling shutter door.
Fire resistance rolling shutter door comprises fire-proof door curtain, door-hinge, left slideway and right slideway.
Door-hinge two ends are installed on supporter by bearing respectively.
Fire-proof door curtain top edge is fixed winding on door-hinge, the assembling corresponding to left slideway of the left hand edge of fire-proof door curtain, the assembling corresponding to right slideway of the right hand edge of fire-proof door curtain.
The winding of fire-proof door curtain top is on door-hinge, and the roller on T shape bayonet lock is fastened on fire-proof door curtain lower limb.
The fire-proof door curtain of at least one fire resistance rolling shutter door is configured to after the T of at least one switch shape bayonet lock is removed the restriction of fire-proof door curtain, and fire-proof door curtain relies on gravity to fall.
Shell is fixed on supporter, and pedestal is fixed on supporter, and the other end of rotating shaft is arranged on supporter by bearing.
Fork quantity, number of switches are identical with fire resistance rolling shutter door quantity.
Described trigger mechanism is positioned at transmission mechanism below, and the first pulley and the second pulley that are installed on supporter are crossed in the first wire rope winding, and the first pulley is positioned at the second pulley top.The first wire rope is around the first pulley top and the second pulley bottom.
Between described relief spring and the first support plate, be also provided with the first connection steel wire.
Being shaped as of balancing weight is fan-shaped.Power fusible link and fuse melting silk are nylon rope.Described fork is four, and switch is four, and fire resistance rolling shutter door is four, and the axis of four forks is positioned at rotating shaft homonymy.Described supporter is body of wall.The axis of the kelly of T shape bayonet lock is mutually vertical with fire-proof door curtain surface.
In the time that fire occurs, fuse melting silk and power fusible link blow rapidly in hot environment, relief spring shrinks, spill stops the piece arming that moves up, power spring shrinks, slide block moves to left and pulls the first wire rope, the first wire rope is walked around two pulleys and is pulled bayonet lock, spring leaf bending, bayonet lock is drawn out rear balancing weight around pivoted downward, and fork is along with rotating shaft is rotated, and fork is by the T shape bayonet lock of the second wire rope Drawing switch, T shape bayonet lock is removed the constraint to fire-proof door curtain, and fire-proof door curtain declines until close under Action of Gravity Field.Completely cut off air, stoped fire spreading.
Its advantage is:
The invention solves in the time that fire occurs unmanned, put down fire-proof door curtain problem without electricity and people can not be close in the situation that, safe and reliable.
Brief description of the drawings
Fig. 1 is the assembling schematic appearance of fire resistance rolling shutter door of the present invention and switch.
Fig. 2 is trigger mechanism sectional view of the present invention.
Fig. 3 is transmission mechanism top view of the present invention.
Fig. 4 is transmission mechanism lateral view of the present invention.
Fig. 5 is switch schematic diagram of the present invention.
Fig. 6 is scheme of installation of the present invention.
Fig. 7 is the lateral view of fire resistance rolling shutter door of the present invention.
Fig. 8 is the schematic appearance of switch of the present invention.
Fig. 9 is the schematic appearance of trigger mechanism of the present invention.
Figure 10 is the lateral view of fire-proof door curtain of the present invention and door-hinge assembling.
Detailed description of the invention
A kind of efficient energy-saving fire resistance rolling shutter door, comprises trigger mechanism 1, transmission mechanism 2, four switches that structure is identical 3 and four fire resistance rolling shutter doors 4 that structure is identical.
Shell 7 comprises and being interconnected and vertical the first housing 22 and the second housing 28.
The first housing 22 and the second housing 28 junctions are provided with orthogonal the first card frame 29 and the second card frame 30, the first housings 22 and the first card frame 29 and are positioned at straight line, and the second housing 28 and the second card frame 30 are positioned at straight line.
The first card frame 29, the second card frame 30, the first housing 22 and the second housing 28 are structure as a whole.
Spill stops piece 9 and comprises that the first support plate 31 and the second support plate 32, the first support plates 31 that are parallel to each other are fixed on connecting plate one end, and the second support plate 32 is fixed on the connecting plate other end, and the first support plate 31 and the second support plate 32 are all perpendicular with connecting plate.Between the first support plate 31 and the second support plate 32, form groove 33.
In the second card frame 30, be provided with in slide block 10, the second housings 28 and be provided with power spring 6.
The groove 33 that spill stops piece 9 is positioned at the second card frame 30 1 sides, spill stops piece 9 and is configured to trigger mechanism first support plate 31 when not triggering and limits slide block 10 and move, when trigger mechanism triggers, spill stops piece 9 and moves, and slide block 10 enters the groove 33 of spill obstruction piece 9.
The axis that rotating shaft 15 surfaces are fixed with 14, four forks 14 of four forks is positioned at rotating shaft 15 homonymies, and rotating shaft 15 one end are plugged in the installing hole of pedestal 17, and can in the installing hole of pedestal 17, rotate.
On pedestal 17, be fixed with spring leaf 18, bayonet lock 19 is fixedly located on spring leaf 18, and bayonet lock 19 one end are fixedly connected with first wire rope 11 other ends.
In rotating shaft 15, be fixed with balancing weight 20, bayonet lock 19 other ends are plugged in the installing hole of balancing weight 20.
The position of balancing weight 20 in rotating shaft 15 is after bayonet lock 19 is removed the restriction of balancing weight 20, thus balancing weight 20 rely on gravity around the shaft 15 be rotated down drive rotating shaft 15 rotate.
In switch body 21, be provided with spring 24, push up with end cap and switch body 21 contacted inner surfaces of T shape bayonet lock 23 respectively at the two ends of spring 24, in compressive state.
The end cap of T shape bayonet lock 23 is connected with second wire rope 25 one end, is integrally formed with switch card frame 38 in switch body 21, and the kelly of T shape bayonet lock 23 is through the first hole and second hole of switch card frame, and kelly end is provided with roller 26.Second wire rope 25 other ends are fixed on fork 14.
On supporter 39, offer four fire resistance rolling shutter door installing ports, in each fire resistance rolling shutter door installing port, be provided with a fire resistance rolling shutter door 4.
Fire resistance rolling shutter door 4 comprises fire-proof door curtain 34, door-hinge 35, left slideway 36 and right slideway 37.
Door-hinge 35 two ends are installed on supporter 39 by bearing respectively.
Fire-proof door curtain 34 top edges are fixed winding on door-hinge 35, the assembling corresponding to left slideway 36 of the left hand edge of fire-proof door curtain 34, the assembling corresponding to right slideway of the right hand edge of fire-proof door curtain 34.
Fire-proof door curtain 34 top windings are on door-hinge 35, and the roller 26 on T shape bayonet lock 23 is fastened on fire-proof door curtain 34 lower limbs.
The fire-proof door curtain 34 of four fire resistance rolling shutter doors 4 is configured to after the T of four switches 3 shape bayonet lock 23 is removed the restriction of fire-proof door curtain 34, and fire-proof door curtain 34 relies on gravity to fall.
Described trigger mechanism 1 is positioned at transmission mechanism 2 belows, and the first wire rope 11 windings are crossed the first pulley 40 and the second pulley 27, the first pulleys 40 that are installed on supporter 39 and are positioned at the second pulley 27 tops.The first wire rope 11 is around the first pulley 40 tops and the second pulley 27 bottoms.
Between relief spring 8 and the first support plate 31, be also provided with the first connection steel wire 41.
Being shaped as of balancing weight 20 is fan-shaped.Described power fusible link 12 and fuse melting silk 13 all can be nylon rope.
The axis of the kelly of T shape bayonet lock 23 is mutually vertical with fire-proof door curtain 34 surfaces.Fire-proof door curtain 34 is known technology, therefore repeated description not.
The first housing 22 edges are offered the first fixing hole 5, the first card frame 29 edges and are offered the second fixing hole, and shell 7 is fixed on supporter 39 by the first fixing hole 5 and the second fixing hole.
On pedestal 17, offer pedestal hole 16, by being fixed on supporter 39.Described supporter 39 is body of wall.
In the time that fire occurs, fuse melting silk 13 and power fusible link 12 blow rapidly in hot environment, relief spring 8 shrinks, spill stops piece 9 arming that moves up, power spring 6 shrinks, slide block 10 moves to left and pulls the first wire rope 11, the first pulley 40 walked around by the first wire rope 11 and the second pulley 27 pulls bayonet lock 19, spring leaf 18 bendings, bayonet lock 19 is drawn out rear balancing weight 20 and rotates around rotating shaft 15, fork 14 is along with rotating shaft 15 is rotated, fork 14 is by the T shape bayonet lock 23 of the second wire rope 25 Drawing switches 3, the constraint that T shape bayonet lock 23 is removed fire-proof door curtain 34, fire-proof door curtain 34 declines until close under Action of Gravity Field.Completely cut off air, stoped fire spreading.
Claims (4)
1. an efficient energy-saving fire resistance rolling shutter door, comprises trigger mechanism (1), transmission mechanism (2), at least one switch (3) and at least one fire resistance rolling shutter door (4); It is characterized in that:
Trigger mechanism (1) comprises that shell (7), power spring (6), relief spring (8), fuse melting silk (13), power fusible link (12), slide block (10) and spill stop piece (9);
Shell (7) comprises and being interconnected and vertical the first housing (22) and the second housing (28);
The first housing (22) and the second housing (28) junction are provided with orthogonal the first card frame (29) and the second card frame (30), the first housing (22) and the first card frame (29) are positioned at straight line, and the second housing (28) and the second card frame (30) are positioned at straight line;
The first card frame (29), the second card frame (30), the first housing (22) and the second housing (28) are structure as a whole;
Spill stops piece (9) and comprises the first support plate (31) and the second support plate (32) that are parallel to each other, the first support plate (31) is fixed on connecting plate one end, the second support plate (32) is fixed on the connecting plate other end, and the first support plate (31) and the second support plate (32) are all perpendicular with connecting plate; Between the first support plate (31) and the second support plate (32), form groove (33);
Relief spring (8) one end is fixedly connected with the first housing (22) inner surface, and relief spring (8) other end is fixedly connected with the first support plate (31), between the second support plate (32) and the first card frame (29), is connected with fuse melting silk (13);
Relief spring (8) be configured to fuse melting silk (13) have no progeny draw spill stop piece (9), relief spring (8) is in extended state;
In the second card frame (30), be provided with slide block (10), in the second housing (28), be provided with power spring (6);
Power spring (6) one end is fixedly connected with the second housing (28) inner surface, power spring (6) other end is connected with the second connection steel wire (42), second connects steel wire (42) through after connecting plate, second connects steel wire (42) is fixedly connected with slide block (10) one end, slide block (10) other end is fixedly connected with the first wire rope (11) one end with one end of power fusible link (12) simultaneously, and the other end of power fusible link (12) is fixedly connected with the second card frame (30);
Power spring (6) is configured to power fusible link (12) and has no progeny and draw slide block (10), and power spring (6) is in extended state;
The groove (33) that spill stops piece (9) is positioned at the second card frame (30) one sides, spill stops piece (9) and is configured to trigger mechanism the first support plate (31) restriction slide blocks (10) movement when not triggering, when trigger mechanism triggers, it is mobile that spill stops piece (9), and slide block (10) enters the groove (33) of spill obstruction piece (9);
Transmission mechanism (2), comprises rotating shaft (15), spring leaf (18), bayonet lock (19) and pedestal (17);
Rotating shaft (15) surface is fixed with at least one fork (14), and rotating shaft (15) one end is plugged in the installing hole of pedestal (17), and can in the installing hole of pedestal (17), rotate;
On pedestal (17), be fixed with spring leaf (18), it is upper that bayonet lock (19) is fixedly located in spring leaf (18), and bayonet lock (19) one end is fixedly connected with the first wire rope (11) other end;
In rotating shaft (15), be fixed with balancing weight (20), bayonet lock (19) other end is plugged in the installing hole of balancing weight (20);
The position of balancing weight (20) in rotating shaft (15) for when bayonet lock (19) remove to the restriction of balancing weight (20) after, balancing weight (20) rely on gravity around the shaft (15) thus be rotated down drive rotating shaft (15) rotation;
Switch (3) comprises switch body (21), spring (24), roller (26) and T shape bayonet lock (23);
In switch body (21), be provided with spring (24), push up with end cap and switch body (21) contacted inner surfaces of T shape bayonet lock (23) respectively at the two ends of spring (24), in compressive state;
The end cap of T shape bayonet lock (23) is connected with the second wire rope (25) one end, is integrally formed with switch card frame (38) in switch body (21), and the kelly of T shape bayonet lock (23) is through the first hole and second hole of switch card frame, and kelly end is provided with roller (26); The second wire rope (25) other end is fixed on fork (14);
On supporter (39), offer at least one fire resistance rolling shutter door installing port, in fire resistance rolling shutter door installing port, be provided with fire resistance rolling shutter door (4);
Fire resistance rolling shutter door (4) comprises fire-proof door curtain (34), door-hinge (35), left slideway (36) and right slideway (37);
Door-hinge (35) two ends are installed on supporter (39) by bearing respectively;
The fixing winding of fire-proof door curtain (34) top edge is upper at door-hinge (35), the assembling corresponding to left slideway (36) of the left hand edge of fire-proof door curtain (34), the right hand edge assembling corresponding to right slideway of fire-proof door curtain (34);
Fire-proof door curtain (34) top winding is upper at door-hinge (35), and the roller (26) on T shape bayonet lock (23) is fastened on fire-proof door curtain (34) lower limb;
The fire-proof door curtain (34) of at least one fire resistance rolling shutter door (4) is configured to after the T shape bayonet lock (23) of at least one switch (3) is removed the restriction of fire-proof door curtain (34), and fire-proof door curtain (34) relies on gravity to fall;
It is upper that shell (7) is fixed on supporter (39), and it is upper that pedestal (17) is fixed on supporter (39), and the other end of rotating shaft (15) is arranged on supporter (39) by bearing;
Fork (14) quantity, switch (3) quantity are identical with fire resistance rolling shutter door (4) quantity.
2. a kind of efficient energy-saving fire resistance rolling shutter door according to claim 1, it is characterized in that: described trigger mechanism (1) is positioned at transmission mechanism (2) below, the first pulley (40) and the second pulley (27) that are installed on supporter (39) are crossed in the first wire rope (11) winding, and the first pulley (40) is positioned at the second pulley (27) top; The first wire rope (11) is around the first pulley (40) top and the second pulley (27) bottom.
3. a kind of efficient energy-saving fire resistance rolling shutter door according to claim 1 and 2, is characterized in that: between described relief spring (8) and the first support plate (31), be also provided with the first connection steel wire (41).
4. a kind of efficient energy-saving fire resistance rolling shutter door according to claim 3, is characterized in that: being shaped as of balancing weight (20) is fan-shaped; Power fusible link (12) and fuse melting silk (13) are nylon rope; Described fork (14) is four, and switch (3) is four, and fire resistance rolling shutter door (4) is four, and the axis of four forks (14) is positioned at rotating shaft (15) homonymy, and described supporter (39) is body of wall; The axis of the kelly of T shape bayonet lock (23) is mutually vertical with fire-proof door curtain (34) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054760.0A CN103883242B (en) | 2014-02-19 | 2014-02-19 | A kind of efficient energy-saving fire resistance rolling shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054760.0A CN103883242B (en) | 2014-02-19 | 2014-02-19 | A kind of efficient energy-saving fire resistance rolling shutter door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103883242A true CN103883242A (en) | 2014-06-25 |
| CN103883242B CN103883242B (en) | 2015-09-30 |
Family
ID=50952338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410054760.0A Expired - Fee Related CN103883242B (en) | 2014-02-19 | 2014-02-19 | A kind of efficient energy-saving fire resistance rolling shutter door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103883242B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436600A (en) * | 2018-03-29 | 2018-08-24 | 苏州圣亚精密机械有限公司 | A kind of magnetic force polisher easy to repair |
| CN111021907A (en) * | 2019-12-24 | 2020-04-17 | 郑州市天荣建材有限公司 | Steel-wood fireproof door and door frame manufacturing process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09268852A (en) * | 1996-03-28 | 1997-10-14 | Sanwa Shutter Corp | Thermal insulation shutter for building |
| JPH1043322A (en) * | 1996-08-08 | 1998-02-17 | Tokyu Constr Co Ltd | Fireproof surface grill |
| JP4026950B2 (en) * | 1998-08-28 | 2007-12-26 | 文化シヤッター株式会社 | Space partition device |
| CN201363075Y (en) * | 2009-01-19 | 2009-12-16 | 李保影 | Limiter for rolling shutter door |
| CN201635605U (en) * | 2009-10-15 | 2010-11-17 | 上海新发门业有限公司 | Flexible gate with balance iron |
| CN102251736A (en) * | 2011-03-24 | 2011-11-23 | 梅洪元 | Energy-saving cold place heat insulation and light transmission garage door rolling shutter system |
-
2014
- 2014-02-19 CN CN201410054760.0A patent/CN103883242B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09268852A (en) * | 1996-03-28 | 1997-10-14 | Sanwa Shutter Corp | Thermal insulation shutter for building |
| JPH1043322A (en) * | 1996-08-08 | 1998-02-17 | Tokyu Constr Co Ltd | Fireproof surface grill |
| JP4026950B2 (en) * | 1998-08-28 | 2007-12-26 | 文化シヤッター株式会社 | Space partition device |
| CN201363075Y (en) * | 2009-01-19 | 2009-12-16 | 李保影 | Limiter for rolling shutter door |
| CN201635605U (en) * | 2009-10-15 | 2010-11-17 | 上海新发门业有限公司 | Flexible gate with balance iron |
| CN102251736A (en) * | 2011-03-24 | 2011-11-23 | 梅洪元 | Energy-saving cold place heat insulation and light transmission garage door rolling shutter system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436600A (en) * | 2018-03-29 | 2018-08-24 | 苏州圣亚精密机械有限公司 | A kind of magnetic force polisher easy to repair |
| CN111021907A (en) * | 2019-12-24 | 2020-04-17 | 郑州市天荣建材有限公司 | Steel-wood fireproof door and door frame manufacturing process |
| CN111021907B (en) * | 2019-12-24 | 2021-07-20 | 郑州市天荣建材有限公司 | Steel-wood fireproof door and door frame manufacturing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103883242B (en) | 2015-09-30 |
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Inventor after: Zhang Dongyang Inventor after: Dang Zhengzheng Inventor after: Yang Hucheng Inventor after: Zhao Shenyun Inventor after: Chen Pengyun Inventor after: Gu Zelong Inventor after: Deng Chengjin Inventor after: Du Jishi Inventor before: Zhang Dongyang Inventor before: Zhao Shenyun Inventor before: Chen Pengyun Inventor before: Gu Zelong Inventor before: Deng Chengjin Inventor before: Dang Zhengzheng Inventor before: Du Jishi |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG DONGYANG ZHAO SHENYUN CHEN PENGYUN GU ZELONG DENG CHENGJIN DANG ZHENGZHENG DU JISHI TO: ZHANG DONGYANG DANG ZHENGZHENG YANG HUCHENG ZHAO SHENYUN CHEN PENGYUN GU ZELONG DENG CHENGJIN DU JISHI |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150930 Termination date: 20160219 |