CN113086819A - Fire door is prevented to telescopic crack labyrinth - Google Patents
Fire door is prevented to telescopic crack labyrinth Download PDFInfo
- Publication number
- CN113086819A CN113086819A CN202110328095.XA CN202110328095A CN113086819A CN 113086819 A CN113086819 A CN 113086819A CN 202110328095 A CN202110328095 A CN 202110328095A CN 113086819 A CN113086819 A CN 113086819A
- Authority
- CN
- China
- Prior art keywords
- door
- labyrinth
- plate
- telescopic
- seam
- 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
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 abstract description 3
- 210000003027 ear inner Anatomy 0.000 description 86
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/303—Details of door panels
- B66B13/305—Slat doors for elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/308—Details of seals and joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
- B66B5/024—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system where the abnormal operating condition is caused by an accident, e.g. fire
Landscapes
- Special Wing (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
A telescopic door seam labyrinth fireproof door comprises a left door plate, a right door plate and a right door plate which are symmetrically arranged, wherein the left door plate, the right door plate and the right door plate are of a sliding door opening and closing type structure; when the door is opened, the left door seam labyrinth component and the right door seam labyrinth component are respectively and automatically retracted into the door plate; when the door is closed, the left door seam labyrinth assembly and the right door seam labyrinth assembly are mutually meshed to form a fireproof structure. The crack labyrinth contracts inwards when opening the door, the effectual aesthetic property and the practicality of having guaranteed the door plant, and labyrinth degree of depth size design range is great, the effectual fire-resistant integrality of preventing fire door that guarantees.
Description
Technical Field
The invention relates to the technical field of elevator doors, in particular to a telescopic door seam labyrinth fireproof door.
Background
Fireproof door of present elevator all is fixed structure labyrinth structure that adopts, prevents that fire door when being fire door for the jumbo size, and the labyrinth needs the deepening of design just can pass through fire-resistant test. After the deepening of labyrinth degree of depth, when leading to preventing that fire door opens the door to the end, the protruding door pocket border position in labyrinth is more, leads to taking the fire door of this labyrinth to open the door the size and is less than actual size of opening the door, influences the width of access & exit. Meanwhile, the depth of the labyrinth protrudes out of the edge of the door pocket, so that the overall attractiveness of the door opening is affected.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a telescopic door seam labyrinth fireproof door structure, which mainly overcomes the defects of the prior art and provides a novel structure which is easy to process and install and is not beneficial to the operation of a door plate.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a telescopic door seam labyrinth fireproof door comprises a left door plate, a right door plate and a right door plate which are symmetrically arranged, wherein the left door plate, the right door plate and the right door plate are of a sliding door opening and closing type structure; when the door is opened, the left door seam labyrinth component and the right door seam labyrinth component are respectively and automatically retracted into the door plate; when the door is closed, the left door seam labyrinth assembly and the right door seam labyrinth assembly are mutually meshed to form a fireproof structure.
Further, left side crack labyrinth subassembly, right crack labyrinth subassembly symmetry set up on a left side door plant and the right door plant, left side crack labyrinth subassembly, right crack labyrinth subassembly are in including setting up at the inboard telescopic machanism of door plant, setting respectively left labyrinth board and the right labyrinth board and the setting of one side that a left side door plant is relative with a right door plant are in a plurality of groups spring assembly of one side that a left side door plant is relative with a right door plant, a left side door plant and a right door plant by the switching action is done in the telescopic machanism drive, a left side labyrinth board and right labyrinth board pass through spring assembly forms flexible switching effect.
Further, telescopic machanism is including fixing swinging boom, telescopic link and the pull rod at left-hand door plant back, swinging boom middle part with left-hand door plant rear side bottom plate rotates to be connected, the one end of swinging boom with telescopic link inner is articulated, the telescopic link outer end with the bottom plate outside is articulated through the fixing base, spring unit's inboard and bottom plate outside fixed connection, the other end of swinging boom with the pull rod outer end is articulated, the pull rod inner is close to left-hand door plant one side is provided with first trip, left-hand door plant rear side be provided with the relative second trip that sets up of first trip.
Further, the spring assembly comprises a spring fixing seat, a spring guide rod and a spring, the spring guide rod is arranged in the middle of the spring seat, the spring is sleeved on the spring guide rod, the inner end of the spring fixing seat is connected with the bottom plate, and the other end of the spring fixing seat is fixedly connected with the left door plate.
Furthermore, the left labyrinth plate and the right labyrinth plate are composed of convex sheet metal bending structures, and the left door seam labyrinth and the right door seam labyrinth are complementary to form an occlusion structure.
Furthermore, the spring assemblies are relatively distributed at the upper, middle and lower positions of the opposite sides of the left door panel and the right door panel.
Furthermore, the pull rod is supported on the rear side of the left door panel through a pull rod bracket.
Furthermore, the second hook is a U-shaped collision block.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a telescopic door seam labyrinth fireproof door which is provided with a left door plate, a right door plate and a telescopic door seam labyrinth structure. The left door plate and the right door plate are provided with telescopic door seam labyrinth structures at the door seam side. When the door is opened to the tail end of the door plate, the door seam labyrinth plate on the left door plate and the right door plate is reset through the spring, the labyrinth structure can be automatically retracted into the door plate, the labyrinth edge can be parallel and level to the door plate, and the attractive effect is achieved. When closing the door to the door plant terminal, control the U type that the pull rod striking left second door plant, right side two door plant departments and hit the piece, promote crack labyrinth board through swinging boom, telescopic link and move to the crack middle department, crack labyrinth structure will stretch out completely, and the labyrinth structure interlock at both ends forms labyrinth structure mutually, reaches the effect of fire prevention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a door closed state according to the present invention;
FIG. 2 is a schematic top view of the door closing state of the present invention;
FIG. 3 is a schematic structural view of the telescoping mechanism of the present invention;
FIG. 4 is a schematic view illustrating the door open state of the present invention;
fig. 5 is a schematic top view of the door of the present invention.
In the figure: 1. the spring assembly, 2 pull rod brackets, 3 fixed seats, 4 telescopic rods, 5 rotating arms, 6 pull rods, 7 spring guide rods, 8 spring fixed seats, 9 springs, 10 bottom plates, 11 second clamping hooks, 12 left labyrinth plates, 13 right labyrinth plates, 14 right first door plates, 15 right second door plates, 16 left first door plates, 17 left second door plates and 18 first clamping hooks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, a telescopic door seam labyrinth fireproof door comprises a left door panel 16, a left door panel 17, a right door panel 14 and a right door panel 15 which are symmetrically arranged, wherein the left door panel 16, the left door panel 17, the right door panel 14 and the right door panel 15 are of a sliding door opening and closing type structure, a telescopic door seam labyrinth mechanism is arranged on one side of the left door panel 16, which is close to the right door panel 14, and comprises a left door seam labyrinth assembly arranged on the door seam side of the left door panel 16 and a right door seam labyrinth assembly arranged on the door seam side of the right door panel 14; when the door is opened, the left door seam labyrinth component and the right door seam labyrinth component are respectively and automatically retracted into the door plate; when the door is closed, the left door seam labyrinth assembly and the right door seam labyrinth assembly are mutually meshed to form a fireproof structure.
The invention provides a telescopic door seam labyrinth fireproof door which is provided with a left door plate, a right door plate and a telescopic door seam labyrinth structure. The left door plate and the right door plate are provided with telescopic door seam labyrinth structures at the door seam side. When the door is opened to the tail end of the door plate, the door seam labyrinth plate on the left door plate and the right door plate is reset through the spring, the labyrinth structure can be automatically retracted into the door plate, the labyrinth edge can be parallel and level to the door plate, and the attractive effect is achieved. When closing the door to the door plant terminal, control the U type that the pull rod striking left second door plant, right side two door plant departments and hit the piece, promote crack labyrinth board through swinging boom, telescopic link and move to the crack middle department, crack labyrinth structure will stretch out completely, and the labyrinth structure interlock at both ends forms labyrinth structure mutually, reaches the effect of fire prevention. The crack labyrinth contracts inwards when opening the door, the effectual aesthetic property and the practicality of having guaranteed the door plant, and the crack labyrinth outwards stretches out when closing the door, and the degree of depth size design range of labyrinth is great, the fire-resistant integrality of fire door is prevented in the effectual assurance. The problem that four complete fireproof doors in a large-opening door are difficult to pass a fire resistance test and the problem that a protruding door plate of a maze is large in size and accordingly unattractive is solved.
Specifically, as shown in the figure, left side crack labyrinth subassembly, right crack labyrinth subassembly symmetry set up on a left side door plant 16 and a right door plant 14, left side crack labyrinth subassembly, right crack labyrinth subassembly are respectively including setting up at the inboard telescopic machanism of door plant, setting and are in left labyrinth 12 and right labyrinth 13 and the setting of a left side door plant 16 and the right door plant 14 relative one side are in a plurality of groups spring assembly 1 of a left side door plant 16 and the right door plant 14 relative one side, a left side door plant 16 and a right door plant 14 by the switching action is done in the telescopic machanism drive, a left side labyrinth 12 and right labyrinth 13 pass through spring assembly 1 forms flexible switching effect. According to the invention, the telescopic mechanism, the left labyrinth plate 12, the right labyrinth plate 13 and the spring assembly 1 are arranged, so that the left labyrinth plate 12 and the right labyrinth plate 13 can freely extend and retract through the telescopic mechanisms at two ends and the rotary arm structure in the middle.
Specifically, as shown in the figure, telescopic machanism is including fixing swinging boom 5, telescopic link 4 and the pull rod 6 at the 16 back of left side door plant, swinging boom 5 middle part with 16 rear side bottom plates of left side door plant 10 rotate to be connected, swinging boom 5's one end with 4 inner articulations of telescopic link, 4 outer ends of telescopic link with it is articulated through fixing base 3 in the bottom plate 10 outside, spring unit 1's inboard and 10 outside fixed connection of bottom plate, swinging boom 5's the other end with 6 outer ends of pull rod are articulated, 6 inner being close to of pull rod 17 one side of left side second door plant is provided with first trip 18, 17 rear sides of left side second door plant be provided with the relative second trip 11 that sets up of first trip 18. The U-shaped collision blocks are arranged on the side, close to the door seams, of the left second door plate and the right second door plate, when the door is closed in place, the first clamping hook 18 at the tail end of the pull rod moves through the U-shaped collision blocks in a driving mode, so that the door seam labyrinths on the left side and the right side are completely closed, and the fireproof effect is achieved.
Specifically, as shown in the figure, the spring assembly includes spring fixing seat 8, spring guide bar 7 and spring 9, spring seat 8 middle part sets up spring guide bar 7, spring 9 cover is established on spring guide bar 7, spring fixing seat 8 inner with bottom plate 10 is connected, another list with a left door plant 16 fixed connection. The spring fixing seat is of an L-shaped structure, the circular spring guide rod is welded on the L-shaped support, and one end of the L-shaped support is fixed on the door plate through welding, so that the stability of the spring seat is guaranteed.
Specifically, as shown in the figure, the left labyrinth plate 12 and the right labyrinth plate 13 are formed by convex sheet metal bent structures, and the left and right door seam labyrinths are complementary to each other to form an occlusion structure.
Specifically, as shown in the drawings, the spring assemblies 1 are relatively distributed at upper, middle and lower positions on opposite sides of the left door panel 16 and the right door panel 14.
Specifically, as shown in the figure, the draw bar 6 is supported on the rear side of the left door panel 16 through a draw bar bracket 2.
Specifically, as shown in the figure, the second hook 11 is a U-shaped bump.
As shown in FIG. 3, the left labyrinth plate 12 and the right labyrinth plate 13 are in a closed state, and the left labyrinth plate and the right labyrinth plate are close to the middle of the door crack under the action of the pull rod 6 and the U-shaped collision block to achieve a completely closed state.
As shown in FIG. 4, the left labyrinth plate 12 and the right labyrinth plate 13 are in a retracted state, and the left labyrinth plate and the right labyrinth plate are far away from the middle of the door gap under the action of the reset of the spring 9, so that a completely opened state is achieved.
As shown in FIG. 5, the edges of the left labyrinth plate 12 and the right labyrinth plate 13 are extended and contracted to be flush with the door gap edges of the door plates 14 and 16, so that the labyrinth does not protrude out of the door gap edges of the door plates.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A telescopic door seam labyrinth fireproof door comprises a left door plate (16), a left door plate (17), a right door plate (14) and a right door plate (15) which are symmetrically arranged, wherein the left door plate (16), the left door plate (17), the right door plate (14) and the right door plate (15) are of a sliding door opening and closing type structure, and the telescopic door seam labyrinth mechanism is characterized in that one side, close to the left door plate (16) and the right door plate (14), of the left door plate (16) is provided with a telescopic door seam labyrinth mechanism, and the telescopic door seam labyrinth mechanism comprises a left door seam labyrinth component arranged on the door seam side of the left door plate (16) and a right door seam labyrinth component arranged on the door seam side of the right door plate (14); when the door is opened, the left door seam labyrinth component and the right door seam labyrinth component are respectively and automatically retracted into the door plate; when the door is closed, the left door seam labyrinth assembly and the right door seam labyrinth assembly are mutually meshed to form a fireproof structure.
2. The telescopic door seam labyrinth fireproof door as claimed in claim 1, wherein the left door seam labyrinth assembly and the right door seam labyrinth assembly are symmetrically arranged on the left door panel (16) and the right door panel (14), the left door seam labyrinth assembly and the right door seam labyrinth assembly respectively comprise a telescopic mechanism arranged on the inner side of the door panels, a left labyrinth plate (12) and a right labyrinth plate (13) arranged on the opposite side of the left door panel (16) and the right door panel (14), and a plurality of sets of spring assemblies (1) arranged on the opposite side of the left door panel (16) and the right door panel (14), the left door panel (16) and the right door panel (14) are driven by the telescopic mechanism to perform opening and closing actions, and the left labyrinth plate (12) and the right labyrinth plate (13) form a telescopic opening and closing effect through the spring assemblies (1).
3. The telescoping slot labyrinth fire door as recited in claim 2, the telescopic mechanism comprises a rotating arm (5), a telescopic rod (4) and a pull rod (6) which are fixed on the back of the left door panel (16), the middle part of the rotating arm (5) is rotationally connected with the rear side bottom plate (10) of the left door panel (16), one end of the rotating arm (5) is hinged with the inner end of the telescopic rod (4), the outer end of the telescopic rod (4) is hinged with the outer side of the bottom plate (10) through the fixed seat (3), the inner side of the spring component (1) is fixedly connected with the outer side of the bottom plate (10), the other end of the rotating arm (5) is hinged with the outer end of the pull rod (6), a first clamping hook (18) is arranged at one side, close to the left second door panel (17), of the inner end of the pull rod (6), and a second clamping hook (11) opposite to the first clamping hook (18) is arranged at the rear side of the left second door panel (17).
4. The telescopic door slot labyrinth fireproof door as claimed in claim 3, wherein the spring assembly comprises a spring fixing seat (8), a spring guide rod (7) and a spring (9), the spring guide rod (7) is arranged in the middle of the spring seat (8), the spring (9) is sleeved on the spring guide rod (7), the inner end of the spring fixing seat (8) is connected with the bottom plate (10), and the other end of the spring fixing seat is fixedly connected with the left door plate (16).
5. A telescopic slot labyrinth fireproof door as claimed in claim 4, wherein the left labyrinth plate (12) and the right labyrinth plate (13) are composed of a convex sheet metal bent structure, and the left and right slot labs are complementary to form an occlusion structure.
6. A telescopic slot labyrinth fireproof door as claimed in claim 4, wherein the spring assembly (1) is distributed relatively on the opposite side of the left (16) and right (14) door panels in the upper, middle and lower positions.
7. A telescoping slot-labyrinth fire door as claimed in claim 3, characterized in that the pull rod (6) is supported at the rear side of the left door panel (16) by means of a pull rod bracket (2).
8. A telescoping slot labyrinth fire door as per claim 3, characterized by that the second hook (11) is a U-shaped bump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110328095.XA CN113086819B (en) | 2021-03-26 | 2021-03-26 | Expansion type door seam labyrinth fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110328095.XA CN113086819B (en) | 2021-03-26 | 2021-03-26 | Expansion type door seam labyrinth fireproof door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113086819A true CN113086819A (en) | 2021-07-09 |
| CN113086819B CN113086819B (en) | 2024-01-02 |
Family
ID=76670126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110328095.XA Active CN113086819B (en) | 2021-03-26 | 2021-03-26 | Expansion type door seam labyrinth fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113086819B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062747A (en) * | 2021-11-09 | 2022-02-18 | 康熹智能科技（东莞）有限公司 | Ammeter and anticreep device for ammeter with dampproofing theftproof function |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01162694A (en) * | 1987-12-18 | 1989-06-27 | Toshiba Corp | Door device for elevator |
| JP2004269066A (en) * | 2003-03-05 | 2004-09-30 | Nohara Sangyo Co Ltd | Smoke shielding structure for entrance of elevator |
| TWI239492B (en) * | 2000-05-10 | 2005-09-11 | Go Boards Advertising S A | System and method for displaying advertising |
| CN101624894A (en) * | 2009-08-14 | 2010-01-13 | 天津理工大学 | Two-sashed fire emergency passage evacuation door |
| CN201932797U (en) * | 2011-01-12 | 2011-08-17 | 北京升华电梯集团有限公司 | Elevator safety shoe device |
| CN203513014U (en) * | 2013-11-07 | 2014-04-02 | 宁波奥尼斯机电有限公司 | Safety device for floor landing of simple elevator |
| JP2014118293A (en) * | 2012-12-19 | 2014-06-30 | Hitachi Ltd | Door device of elevator |
| CN205045631U (en) * | 2015-07-21 | 2016-02-24 | 广东富本电梯有限公司 | Device is stopped to no computer lab elevator system |
| JP3205227U (en) * | 2016-03-11 | 2016-07-14 | ハーボア ハイライト リミテッド | Fire door with new smoke-proof performance |
| CN205840695U (en) * | 2016-07-17 | 2016-12-28 | 浙江托科姆信息科技有限公司 | A kind of simple gate fan security protection door |
| CN106477439A (en) * | 2015-08-24 | 2017-03-08 | 鑫诺电梯有限公司 | One kind has by novel sealing structure opens fire resistant doorsets |
| CN108502686A (en) * | 2017-02-24 | 2018-09-07 | 日立电梯（中国）有限公司 | A kind of safety protector of elevator door |
| CN209011731U (en) * | 2018-07-21 | 2019-06-21 | 杭州华博消防设备有限公司 | A kind of wooden heat-insulating fireproof door |
| CN209413762U (en) * | 2018-09-12 | 2019-09-20 | 河南度然钢结构有限公司 | A kind of steel structure fireproof door for escape |
| CN212503550U (en) * | 2020-01-15 | 2021-02-09 | 宁波豪诚科技发展有限公司 | Center-opening hall door system for commercial elevator |
-
2021
- 2021-03-26 CN CN202110328095.XA patent/CN113086819B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01162694A (en) * | 1987-12-18 | 1989-06-27 | Toshiba Corp | Door device for elevator |
| TWI239492B (en) * | 2000-05-10 | 2005-09-11 | Go Boards Advertising S A | System and method for displaying advertising |
| JP2004269066A (en) * | 2003-03-05 | 2004-09-30 | Nohara Sangyo Co Ltd | Smoke shielding structure for entrance of elevator |
| CN101624894A (en) * | 2009-08-14 | 2010-01-13 | 天津理工大学 | Two-sashed fire emergency passage evacuation door |
| CN201932797U (en) * | 2011-01-12 | 2011-08-17 | 北京升华电梯集团有限公司 | Elevator safety shoe device |
| JP2014118293A (en) * | 2012-12-19 | 2014-06-30 | Hitachi Ltd | Door device of elevator |
| CN203513014U (en) * | 2013-11-07 | 2014-04-02 | 宁波奥尼斯机电有限公司 | Safety device for floor landing of simple elevator |
| CN205045631U (en) * | 2015-07-21 | 2016-02-24 | 广东富本电梯有限公司 | Device is stopped to no computer lab elevator system |
| CN106477439A (en) * | 2015-08-24 | 2017-03-08 | 鑫诺电梯有限公司 | One kind has by novel sealing structure opens fire resistant doorsets |
| JP3205227U (en) * | 2016-03-11 | 2016-07-14 | ハーボア ハイライト リミテッド | Fire door with new smoke-proof performance |
| CN205840695U (en) * | 2016-07-17 | 2016-12-28 | 浙江托科姆信息科技有限公司 | A kind of simple gate fan security protection door |
| CN108502686A (en) * | 2017-02-24 | 2018-09-07 | 日立电梯（中国）有限公司 | A kind of safety protector of elevator door |
| CN209011731U (en) * | 2018-07-21 | 2019-06-21 | 杭州华博消防设备有限公司 | A kind of wooden heat-insulating fireproof door |
| CN209413762U (en) * | 2018-09-12 | 2019-09-20 | 河南度然钢结构有限公司 | A kind of steel structure fireproof door for escape |
| CN212503550U (en) * | 2020-01-15 | 2021-02-09 | 宁波豪诚科技发展有限公司 | Center-opening hall door system for commercial elevator |
Non-Patent Citations (1)
| Title |
|---|
| 滕彦;赵丽瑾;于广和;李黎;苏本项;崔秋鹏;: "木质防火门的耐火性能失效分析及改进", 门窗, no. 07, pages 391 - 392 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062747A (en) * | 2021-11-09 | 2022-02-18 | 康熹智能科技（东莞）有限公司 | Ammeter and anticreep device for ammeter with dampproofing theftproof function |
| CN114062747B (en) * | 2021-11-09 | 2024-03-19 | 江阴众和电力仪表有限公司 | Ammeter with dampproofing theftproof function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113086819B (en) | 2024-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1959077B1 (en) | Opening/closing device for a double flap door of an item of furniture | |
| CN201099937Y (en) | Article-hoisting port safety barrier device | |
| CN106761316A (en) | A kind of anticollision door | |
| CN113086819A (en) | Fire door is prevented to telescopic crack labyrinth | |
| CA2422330A1 (en) | Bottom-up/top-down retractable cellular shade | |
| CN105951919B (en) | A kind of cab for engineering machinery | |
| CN202194524U (en) | Window-shade with automatic fireproofing function | |
| US1892570A (en) | Rolling door | |
| CN104405247B (en) | Hydraulic-driven rotates pendulum folding mine safety door | |
| EP3163008B1 (en) | Automatic sliding and swing gate | |
| US1420087A (en) | Garage-door construction | |
| US1282146A (en) | Door. | |
| CN210636981U (en) | Interior window of falling | |
| CN209724128U (en) | A kind of steel-made fire-retardant door | |
| CN113028129A (en) | Buffer type gate valve with anti-theft mechanism | |
| CN218439057U (en) | Peep-proof anti-theft door ventilation window | |
| CN219654349U (en) | Building automatic ejection anti-falling polyester net | |
| CN218816094U (en) | Fireproof door with built-in reinforced protection component | |
| CN218150666U (en) | Multifunctional automatic horizontal sliding window | |
| KR930002623Y1 (en) | Bendable multiple window | |
| CN212271963U (en) | Safety protection prevents fire door | |
| CN220226651U (en) | Folding fireproof door capable of realizing automatic sequential closing | |
| CN219548723U (en) | Sliding folding door | |
| CN209862934U (en) | Wall hanging chair | |
| CN209799795U (en) | fire-proof window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |