CN104653052B - Gravity sensing evacuation safety door - Google Patents
Gravity sensing evacuation safety door Download PDFInfo
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- CN104653052B CN104653052B CN201510063744.2A CN201510063744A CN104653052B CN 104653052 B CN104653052 B CN 104653052B CN 201510063744 A CN201510063744 A CN 201510063744A CN 104653052 B CN104653052 B CN 104653052B
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Abstract
Gravity sensing evacuation safety door, by gravity sensing can automatic unlocking and locking, effectively save the opening time, increase escape probability, and can be used in the special fire-fighting occasion such as major long tunnel.Including doorframe and door body, door body side is articulated with doorframe by hinge, it is characterized in that：Described hinge adopts Self-resetting elasticity hinge, and the front side of described door body, rear side are respectively arranged with front side gravity sensing area, rear side gravity sensing area, is provided with and acts on the gravity sensing of door body and open and close locking device in gravity sensing area on front side of this, rear side gravity sensing area.
Description
Technical field
The present invention relates to safety door, particularly to a kind of gravity sensing evacuation safety being opened and closed with GRAVITY CONTROL safety door
Door.
Background technology
According to the requirement of Code for fire protection design of buildings, the public place such as skyscraper, megastore is provided with evacuation peace
Full tunnel, channel portal is provided with evacuation safety door.
Existing safety door mainly includes door body, doorframe and blocking mechanism in structure, and door body is arranged on door by hinge
On frame, elastic atresia mechanism is arranged on door body, on doorframe, carries out unidirectional locking by elastic atresia mechanism to safety door, releases
After unidirectional locking, door body can be opened to evacuating direction.Its weak point is to need manually to release unidirectional locking and to side
Promote door body could open door body, to the old and the weak, the physical weaker crowd of child one class there be difficulties involved when, and can only be unidirectional
Open it is impossible to need the occasion of two-way evacuation for major long tunnel escape and rescue trunk etc..
Content of the invention
The technical problem to be solved is to provide a kind of gravity sensing evacuation safety door, can by gravity sensing
Automatic unlocking and locking, effectively save the opening time, increase escape probability, and can be used in the special fire-fighting such as major long tunnel field
Close.
The technical solution adopted for the present invention to solve the technical problems is as follows：
The gravity sensing evacuation safety door of the present invention, including doorframe and door body, door body side is articulated with doorframe by hinge
On, it is characterized in that：Described hinge adopts Self-resetting elasticity hinge, and the front side of described door body, rear side are respectively arranged with front side gravity
Induction zone, rear side gravity sensing area, on front side of this, gravity sensing area, rear side gravity sensing are provided with, in area, the gravity acting on door body
Sensing opens and closes locking device, it is characterized in that：The lower section of the hinged side of described door body, on front side of it, that rear side is fixedly installed front side respectively is solid
Fixed board, rear side fixed plate, arrange holistic Active foot plate in front side gravity sensing area, rear side gravity sensing area, front side is fixed
Form locking groove between plate, rear side fixed plate；Described gravity sensing opens and closes locking device and includes being arranged at the hinged side lower part of door body
Vertical blocking mechanism, is arranged at being articulated with anterior planting, certainly dropping hammer below rear side fixed plate and be arranged in locking groove
Resetting-mechanism in melt pit below Active foot plate, Active foot plate acts on from the one end dropped hammer, and the other end certainly dropping hammer then acts on
Vertical blocking mechanism.
It is as follows that the present invention solves another technical scheme that its technical problem adopted：
The gravity sensing evacuation safety door of the present invention, including doorframe and door body, door body side is articulated with doorframe by hinge
On, described hinge adopt Self-resetting elasticity hinge, the front side of described door body, rear side be respectively arranged with front side gravity sensing area, after
Stress power induction zone, be provided with gravity sensing area on front side of this, rear side gravity sensing area and act on the gravity sensing of door body and open and close
Locking device, is characterized in that：Described front side gravity sensing area, rear side gravity sensing area are respectively arranged with its far-end and melt pit side wall shape
The hinged front side pedal of one-tenth, rear side pedal, front side pedal, the proximal edge of rear side pedal separately form one and can accommodate under door body
The lock groove at end；Described gravity sensing opens and closes locking device and includes being arranged at and acts on front side pedal, rear side pedal in melt pit
Near-end makes it produce the hydraulic mechanism of upper and lower deflection action.
It is as follows that the present invention solves another technical scheme that its technical problem adopted：
The gravity sensing evacuation safety door of the present invention, including doorframe and door body, door body side is articulated with doorframe by hinge
On, described hinge adopt Self-resetting elasticity hinge, the front side of described door body, rear side be respectively arranged with front side gravity sensing area, after
Stress power induction zone, be provided with gravity sensing area on front side of this, rear side gravity sensing area and act on the gravity sensing of door body and open and close
Locking device, is characterized in that：Described front side gravity sensing area, rear side gravity sensing area are respectively arranged with and are equipped with flexible cushion thereon
Front side fixed pedestal, rear side fixed pedestal, be laid between front side fixed pedestal, rear side fixed pedestal and its flexible cushion weight
Power sensor circuit；Described gravity sensing opens and closes locking device and is positioned close to door body non-articulated one side-lower；Described gravity sensing opens
Blocking device includes vertically slidable closing piece and the electromagnetic clutch being installed on below this vertically slidable closing piece, vertically slidable closing piece
Top has the lock groove accommodating door body lower end；The action of described electromagnetic clutch is by gravity sensing circuit board and PLC technology
Device controls, and is powered by power source special.
The invention has the beneficial effects as follows, evacuation personnel one enter into gravity sensing area, rely on its own gravity that door body is carried out
Quick release, simultaneously forward promote door body can rapidly enter fire escape, after personnel leave gravity sensing area, door body can and
Shi Zidong simultaneously closes, and prevents poisonous and harmful cigarette, gas from entering fire escape；The weaker crowd of the old and the weak, child one class muscle power relies on it certainly
Heavy sensation of the body power can unlock, quick opening safety door, it is to avoid the dependence to the personnel of evacuation muscle power for the opening safety door；Door body two-way opened
Open, two-way fire escape can be formed, expanded the scope of application of evacuation safety door.
Brief description
This specification includes following 14 width accompanying drawings：
Fig. 1 is the general structure schematic diagram (univalve door body) of gravity sensing evacuation safety door of the present invention；
Fig. 2 is the population structure top view (door body forward direction fully opens) of gravity sensing evacuation safety door of the present invention；
Fig. 3 is the population structure top view (door body locking) of gravity sensing evacuation safety door of the present invention；
Fig. 4 is the population structure top view (door body reversely fully opens) of gravity sensing evacuation safety door of the present invention；
Fig. 5 is the general structure schematic diagram (biparting door body) of gravity sensing evacuation safety door of the present invention；
Fig. 6 is the general arrangement of gravity sensing evacuation safety door embodiment 1 of the present invention；
Fig. 7 is the schematic diagram (locking that in gravity sensing evacuation safety door embodiment 1 of the present invention, gravity sensing opens and closes latch mechanism
State)；
Fig. 8 is that the schematic diagram of gravity sensing keying latch mechanism in gravity sensing evacuation safety door embodiment 1 of the present invention (opens lock
State)；
Fig. 9 is the enlarged drawing of B local in Fig. 7；
Figure 10 is the enlarged drawing of C local in Fig. 7；
Figure 11 is that the schematic diagram of gravity sensing keying latch mechanism in gravity sensing evacuation safety door embodiment 2 of the present invention (closes
Lock status)；
Figure 12 is the general arrangement of gravity sensing evacuation safety door embodiment 3 of the present invention；
Figure 13 is that the schematic diagram of gravity sensing keying latch mechanism in gravity sensing evacuation safety door embodiment 3 of the present invention (closes
Lock status)；
Figure 14 is the sectional drawing of vertically slidable closing piece in gravity sensing evacuation safety door embodiment 3 of the present invention.
In figure illustrates component and corresponding labelling：Front side gravity sensing area A1, rear side gravity sensing area A2, door body 10, door
Frame 11, flame resistant glass 12, hinge 13, gravity sensing open and close locking device 20；Active foot plate 21, anterior planting 22a, rear side are fixed
Plate 22b, locking groove 23c, 23, the vertical blocking mechanism 24 that certainly drops hammer, slippage bracket 241, roller 242, compression spring 243, spacing
Block 25, resetting-mechanism 26, compression spring 261, guide holder 262, parallel linkage 27；Front side pedal 30a, rear side pedal 30b,
Main hydraulic cylinder 31, hydraulic stem 32, slip chain 33, liquid measure adjust hydraulic cylinder 34, the first pipeline 35, the second pipeline 36；Front side is solid
Determine pedal 40a, rear side fixed pedestal 40b, vertically slidable closing piece 41, lock groove 41a, electromagnetic clutch 42, Programmable Logic Controller
43rd, power source special 44, insulating barrier 45, back-moving spring 46.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the gravity sensing evacuation safety door of the present invention includes doorframe 11 and door body 10, door
Body 10 side is articulated with doorframe 11 by hinge 13.Described hinge 13 adopt Self-resetting elasticity hinge, can bidirectional opening, formed
Two-way fire escape.The front side of described door body 10, rear side are respectively arranged with front side gravity sensing area A1, rear side gravity sensing area
A2, is provided with the gravity sensing open and close lock dress acting on door body 10 in gravity sensing area A1, rear side gravity sensing area A2 on front side of this
Put 20.When the personnel of evacuation enter in the gravity sensing area A1 or rear side gravity sensing area A2 of front side, the gravity-feed tank of door body 10 lower section
Locking device 20 action, quick release should be opened and closed, door body 10 can be pushed open forward or backwards.When evacuation personnel leave front side gravity sensing
After area A1 or rear side gravity sensing area A2, door body 10 resets in the presence of Self-resetting elasticity hinge, when door body 10 is returned to just
During beginning position, gravity sensing opens and closes locking device 20 action, forms locking between door body 10 and doorframe 11 or ground.
With reference to Fig. 5, in the gravity sensing evacuation safety door of invention, Yishanmen body 10 can be only included it is also possible to include two
Fan split door body 10.
Fig. 6 to Figure 10 is illustrated that embodiments of the invention 1.With reference to Fig. 6, the lower section of the hinged side of described door body 10, at it
Front side, rear side are fixedly installed anterior planting 22a, rear side fixed plate 22b, respectively in front side gravity sensing area A1, rear side gravity
Induction zone A2 arranges holistic Active foot plate 21, forms locking groove 23c between anterior planting 22a, rear side fixed plate 22b.
With reference to Fig. 7 and Fig. 8, described gravity sensing opens and closes locking device 20 and includes being arranged at the vertical blocking mechanism of the hinged side lower part of door body 10
24, it is arranged at being articulated with anterior planting 22a, certainly dropping hammer 23 and be arranged at below rear side fixed plate 22b in locking groove 23c
Resetting-mechanism 26 in the melt pit of Active foot plate 21 lower section, Active foot plate 21 act on from drop hammer 23 one end, certainly drop hammer 23 another
One end then acts on vertical blocking mechanism 24.It is fixedly installed limited block 25, limit between anterior planting 22a, rear side fixed plate 22b
Position block 25 limits the upward stroke of Active foot plate 21 near-end.
With reference to Fig. 9, described vertical blocking mechanism 24 includes slippage bracket 241, roller 242 and compression spring 243, and sliding is propped up
Frame 241 is installed on the installation in the hole of the lower section of the hinged side of door body 10 by bolt, and roller 242 is arranged under slippage bracket 241
End, the two ends of compression spring 243 make in installing hole and the top of slippage bracket 241 respectively.
With reference to Fig. 7, Fig. 8 and Fig. 9, when the personnel of evacuation enter in the gravity sensing area A1 or rear side gravity sensing area A2 of front side
When, in the presence of its own body weight, Active foot plate 21 moves down, simultaneously act on from drop hammer 23 far-end, make remote from dropping hammer
End deflects down, and upward deflects from 23 near-ends that drop hammer and acts on roller 242, compression spring 243 is pressurized, slippage bracket 241,
Roller 242 moves up to the position concordant with anterior planting 22a, rear side fixed plate 22b plate face, and door body 10 unlocks, now
Door body 10 can be pushed forward or backwards open, roller 242 then on anterior planting 22a or rear side fixed plate 22b plate face along trajectory
Move with door body 10.After evacuation personnel leave front side gravity sensing area A1 or rear side gravity sensing area A2, door body 10 is in runback
Reset in the presence of the elastic hinge in position, Active foot plate 21 slow return in the presence of resetting-mechanism 26, drops hammer 23 certainly simultaneously
In the presence of its own gravity, keep horizontal level.When door body 10 is returned to original closed position, roller 242 enters and closes
From dropping hammer and 23, door body 10 realizes locking for locked groove 23c pressure.
With reference to Figure 10, described resetting-mechanism 26 is made up of with the compression spring 261 being mounted thereon guide holder 262, guiding
Seat 262 is fixedly mounted in melt pit, and the two ends of compression spring 261 are respectively acting on guide holder 262, Active foot plate 21.By this
Compression spring 261 can set Active foot plate 21 gravity sensing value, can start the minimum gravity that gravity sensing opens and closes locking device 20
Value, it is to avoid the locking to door body 10 for the false dismissal because of toy entrance Active foot plate 21, or because train is through out-of-date produced
Blast and the locking to door body 10 for the false dismissal.
With reference to Fig. 7, for make Active foot plate 21 upwards, move down during can level of protection, under described Active foot plate 21
It is provided with least one pair of parallel linkage 27 separately in square melt pit.
Figure 11 is illustrated that embodiments of the invention 2.With reference to Figure 11, described front side gravity sensing area A1, rear side gravity-feed tank
Answer area A2 to be respectively arranged with its far-end and form hinged front side pedal 30a, rear side pedal 30b, front side pedal with melt pit side wall
30a, the proximal edge of rear side pedal 30b separately form a lock groove that can accommodate door body 10 lower end.Described gravity sensing opens
Blocking device 20 include being arranged in melt pit act on front side pedal 30a, that the near-end of rear side pedal 30b makes it produce is inclined up and down
Rotate the hydraulic mechanism made.When front side pedal 30a, rear side pedal 30b are horizontal, accommodate door body 10 lower end and extend into
In lock groove, door body 10 cannot be pushed open.When the personnel of evacuation enter in the gravity sensing area A1 or rear side gravity sensing area A2 of front side,
In the presence of its own body weight, front side pedal 30a, rear side pedal 30b deflect down, and release the locking to door body 10 for the lock groove,
Now pusher opening door body 10.
With reference to Figure 11, described hydraulic mechanism includes main hydraulic cylinder 31 and liquid measure adjusts hydraulic cylinder 34, the liquid of main hydraulic cylinder 31
Depression bar 32 is connected with the near-end of front side pedal 30a, rear side pedal 30b by slip chain 33, and main hydraulic cylinder 31 and liquid measure are adjusted
Hydraulic cylinder 34 is by being provided with the first pipeline 35 of check valve thereon, the second pipeline 36 connects.The mistake of described first pipeline 35
Liquid level amasss and amasss more than the liquid level of crossing of the second pipeline 36.After evacuation personnel set foot on front side pedal 30a or rear side pedal 30b, front side
Pedal 30a or rear side pedal 30b deflects down, and drives the rear side pedal of opposite side by the slip chain 33 on hydraulic stem 32
30b or front side pedal 30a deflects down, and now the check valve on the first pipeline 35 is opened, from front side pedal 30a or rear side pedal
The piston in gravitational force urges main hydraulic cylinder 31 that 30b transmits is so that liquid adjusts hydraulic cylinder to liquid measure rapidly along the first pipeline 35
34 flowings, when front side pedal 30a or rear side pedal 30b is less than door body 10 lower limb, can positive and reverse push opening door body 10.When
After evacuation personnel gravity sensing area A1, rear side gravity sensing area A2 on front side of the safety door, door body 10 is in Self-resetting elasticity hinge
In the presence of slowly reset, the closed check valve on the first pipeline 35, the check valve on the second pipeline 36 are opened, in spring simultaneously
The liquid that in the presence of power, liquid measure is adjusted in hydraulic cylinder 34 is slowly back in main hydraulic cylinder 31 through the second pipeline 36, on front side of promotion
Pedal 30a, rear side pedal 30b slowly return back to initial position, recover the locking to door body 10 for the lock groove 30c.
Figure 12 and Figure 13 is illustrated that embodiments of the invention 3.Reference Figure 12, Figure 13, described front side gravity sensing area A1,
Rear side gravity sensing area A2 is respectively arranged with front side fixed pedestal 40a, the rear side fixed pedestal being equipped with flexible cushion thereon
It is laid with gravity sensing circuit between 40b, front side fixed pedestal 40a, rear side fixed pedestal 40b and its flexible cushion.Described heavy
Power sensing opens and closes locking device 20 and is positioned close to door body 10 non-articulated one side-lower.Described gravity sensing opens and closes locking device 20 and includes
Vertically slidable closing piece 41 and the electromagnetic clutch 42 being installed on this vertically slidable closing piece 41 lower section.With reference to Figure 13, Figure 14, vertically slide
The top of dynamic closing piece 41 has the lock groove 41a accommodating door body 10 lower end.The action of described electromagnetic clutch 42 is by gravity sensing
Circuit board and Programmable Logic Controller 43 control, and are powered by power source special 44.
When the personnel of evacuation enter in the gravity sensing area A1 or rear side gravity sensing area A2 of front side, own body weight action flexible
On bed course, the gravity sensing circuit under flexible cushion produces corresponding electric signal transmission to Programmable Logic Controller 43, through compiling
Range controller 43 is processed, and meets when opening condition, executes switch motion, electromagnetic clutch 42 energising make vertically slidable closing piece 41 to
Lower movement, releases the locking to door body 10 for the sliding lock block 41 top lock groove 41a, now can push door body 10 forward or backwards open.
After evacuation personnel leave front side gravity sensing area A1 or rear side gravity sensing area A2 by safety door, door body 10 is in Self-resetting bullet
Property hinge in the presence of slowly reset, simultaneously gravity sensing circuit produce corresponding electric signal transmission to Programmable Logic Controller 43,
Through Programmable Logic Controller 43 delay process, when meeting closedown condition, execute switch motion, electromagnetic clutch 42 power-off, vertically slide
Dynamic closing piece 41 moves up in the presence of back-moving spring 46, and the lock groove 41a on its top recovers the locking to door body 10.
Some principles of the above gravity sensing evacuation safety door of the present invention that simply explains through diagrams, are not intended to this
Shown in invention is confined to and in described concrete structure and the scope of application, thus every corresponding modification being possible to be utilized and
Equivalent, belongs to the apllied the scope of the claims of the present invention.
Claims (8)
1. gravity sensing evacuation safety door, including doorframe (11) and door body (10), it is hinged that hinge (13) is passed through in door body (10) side
On doorframe (11), described hinge (13) adopts Self-resetting elasticity hinge, and the front side of described door body (10), rear side are respectively arranged with
Front side gravity sensing area (A1), rear side gravity sensing area (A2), gravity sensing area (A1), rear side gravity sensing area (A2) on front side of this
Inside it is provided with gravity sensing keying locking device (20) acting on door body (10), it is characterized in that：The hinged side of described door body (10)
Lower section, on front side of it, rear side anterior planting (22a), rear side fixed plate (22b) are fixedly installed respectively, in front side gravity sensing
Area (A1), rear side gravity sensing area (A2) arrange holistic Active foot plate (21), anterior planting (22a), rear side fixed plate
(22b) form locking groove (23c) between；Described gravity sensing opens and closes locking device (20) and includes being arranged under the hinged side of door body (10)
The vertical blocking mechanism (24) in portion, is arranged at and is articulated with anterior planting (22a), rear side fixed plate in locking groove (23c)
(22b) resetting-mechanism (26) certainly dropping hammer (23) and being arranged in melt pit below Active foot plate (21) below, Active foot plate
(21) act on from the one end of (23) of dropping hammer, the other end of (23) of certainly dropping hammer then acts on vertical blocking mechanism (24).
2. gravity sensing evacuation safety door as claimed in claim 1, is characterized in that：Described vertical blocking mechanism (24) includes sliding
Move support (241), roller (242) and compression spring (243), it is hinged that slippage bracket (241) is installed on door body (10) by bolt
The installation in the hole of the lower section of side, roller (242) is arranged on the lower end of slippage bracket (241), and the two ends of compression spring (243) are respectively
Make in installing hole and the top of slippage bracket (241).
3. gravity sensing evacuation safety door as claimed in claim 1, is characterized in that：Described resetting-mechanism (26) is by guide holder
(262) constitute with the compression spring (261) that is mounted thereon, guide holder (262) is fixedly mounted in melt pit, compression spring
(261) two ends are respectively acting on guide holder (262), Active foot plate (21).
4. gravity sensing evacuation safety door as claimed in claim 1, is characterized in that：In melt pit below described Active foot plate (21)
It is provided with least one pair of parallel linkage (27) separately.
5. gravity sensing evacuation safety door, including doorframe (11) and door body (10), it is hinged that hinge (13) is passed through in door body (10) side
On doorframe (11), described hinge (13) adopts Self-resetting elasticity hinge, and the front side of described door body (10), rear side are respectively arranged with
Front side gravity sensing area (A1), rear side gravity sensing area (A2), gravity sensing area (A1), rear side gravity sensing area (A2) on front side of this
Inside it is provided with gravity sensing keying locking device (20) acting on door body (10), it is characterized in that：Described front side gravity sensing area
(A1), rear side gravity sensing area (A2) is respectively arranged with its far-end and melt pit side wall forms hinged front side pedal (30a), rear side
Pedal (30b), front side pedal (30a), the proximal edge of rear side pedal (30b) separately form one and can accommodate door body (10) lower end
Lock groove；Described gravity sensing opens and closes locking device (20) and includes being arranged at and acts on front side pedal (30a), rear side in melt pit
The near-end of pedal (30b) makes it produce the hydraulic mechanism of upper and lower deflection action.
6. gravity sensing evacuation safety door as claimed in claim 5, is characterized in that：Described hydraulic mechanism includes main hydraulic cylinder
(31) and liquid measure adjusts hydraulic cylinder (34), the hydraulic stem (32) of main hydraulic cylinder (31) passes through slip chain (33) and front side pedal
(30a), the near-end of rear side pedal (30b) connects, and main hydraulic cylinder (31) and liquid measure adjust hydraulic cylinder (34) and pass through to be respectively provided with thereon
First pipeline (35) of check valve, the second pipeline (36) is had to connect.
7. gravity sensing evacuation safety door as claimed in claim 6, is characterized in that：The liquid level of crossing of described first pipeline (35) amasss
Amass more than the liquid level of crossing of the second pipeline (36).
8. gravity sensing evacuation safety door, including doorframe (11) and door body (10), it is hinged that hinge (13) is passed through in door body (10) side
On doorframe (11), described hinge (13) adopts Self-resetting elasticity hinge, and the front side of described door body (10), rear side are respectively arranged with
Front side gravity sensing area (A1), rear side gravity sensing area (A2), gravity sensing area (A1), rear side gravity sensing area (A2) on front side of this
Inside it is provided with gravity sensing keying locking device (20) acting on door body (10), it is characterized in that：Described front side gravity sensing area
(A1), rear side gravity sensing area (A2) is respectively arranged with that to be equipped with the front side fixed pedestal (40a) of flexible cushion, rear side thereon solid
Determine pedal (40b), between front side fixed pedestal (40a), rear side fixed pedestal (40b) and its flexible cushion, be laid with gravity sensing
Circuit；Described gravity sensing opens and closes locking device (20) and is positioned close to door body (10) non-articulated one side-lower；Described gravity sensing
Open and close locking device (20) to include vertically slidable closing piece (41) and be installed on the electromagnetic clutch below this vertically slidable closing piece (41)
(42), the top of vertically slidable closing piece (41) has the lock groove (41a) of receiving door body (10) lower end；Described electromagnetic clutch
(42) action is controlled by gravity sensing circuit board and Programmable Logic Controller (43), and is powered by power source special (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063744.2A CN104653052B (en) | 2015-02-08 | 2015-02-08 | Gravity sensing evacuation safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063744.2A CN104653052B (en) | 2015-02-08 | 2015-02-08 | Gravity sensing evacuation safety door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104653052A CN104653052A (en) | 2015-05-27 |
| CN104653052B true CN104653052B (en) | 2017-03-08 |
Family
ID=53244628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510063744.2A Active CN104653052B (en) | 2015-02-08 | 2015-02-08 | Gravity sensing evacuation safety door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104653052B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593012A (en) * | 2016-11-25 | 2017-04-26 | 安徽鸿路钢结构(集团)股份有限公司 | Weight sensing type automatic kiosk bank |
| CN114613045A (en) * | 2022-01-30 | 2022-06-10 | 云知声智能科技股份有限公司 | Access control non-inductive passing cooperative processing method and device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190403233A (en) * | 1904-02-09 | 1904-12-15 | Alban Shuttleworth Moore | Improvements in connection with "Emergency" Doors for Theatres and the like. |
| GB1205691A (en) * | 1968-03-01 | 1970-09-16 | Robert Duncan | Improvements in panic fastenings for doors |
| JPH11152957A (en) * | 1997-09-19 | 1999-06-08 | Cosmo Tec:Kk | Automatic open-close sliding door device by body-load starting |
| CN2931734Y (en) * | 2006-03-28 | 2007-08-08 | 任宇光 | Two-way fireproof door |
| CN204531957U (en) * | 2015-02-08 | 2015-08-05 | 四川迈铁龙科技有限公司 | Fluid pressure type gravity sensing evacuation safety door |
| CN204531956U (en) * | 2015-02-08 | 2015-08-05 | 四川迈铁龙科技有限公司 | Mechanical type gravity sensing evacuation safety door |
-
2015
- 2015-02-08 CN CN201510063744.2A patent/CN104653052B/en active Active
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|---|---|
| CN104653052A (en) | 2015-05-27 |
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