CN111927282A - Prevent fire door with buffering closed effect - Google Patents
Prevent fire door with buffering closed effect Download PDFInfo
- Publication number
- CN111927282A CN111927282A CN202010832072.8A CN202010832072A CN111927282A CN 111927282 A CN111927282 A CN 111927282A CN 202010832072 A CN202010832072 A CN 202010832072A CN 111927282 A CN111927282 A CN 111927282A
- Authority
- CN
- China
- Prior art keywords
- door
- cavity
- movable
- buffering
- air bag
- 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.)
- Withdrawn
Links
- 230000003139 buffering effect Effects 0.000 title claims abstract description 27
- 230000000694 effects Effects 0.000 title claims abstract description 18
- 239000000872 buffer Substances 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000007853 buffer solution Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 6
- 238000013016 damping Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
- E06B3/362—Double winged doors or windows
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a fireproof door with a buffering closing effect, which comprises a door frame and a pair of door plates, wherein the door plates are arranged on the door frame through hinges and are also connected with the door frame through an automatic door closer and a buffering mechanism; the buffer mechanism comprises a buffer airbag and a movable rod, a mounting groove is formed in one side, provided with a hinge, of the door plate, the buffer airbag is fixedly mounted in the mounting groove, part of the mounting groove protrudes out, a mounting cavity is formed inside the door plate, a buffer solution is filled in the mounting cavity, the movable rod is further arranged in the mounting cavity, a first movable cavity and a second movable cavity communicated with the mounting cavity are formed in the door plate, two ends of the movable rod are respectively sealed and inserted in the first movable cavity and the second movable cavity, and one end of the first movable cavity, far away from the mounting cavity, is communicated with the mounting groove. According to the invention, the speed which can be finally reached by the door panel in the automatic closing process is preset, so that the door panel and the door frame can be prevented from colliding.
Description
Technical Field
The invention belongs to the technical field of fireproof doors, and particularly relates to a fireproof door with a buffering closing effect.
Background
The fireproof door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fireproof partition which is arranged between fireproof partitions, evacuation staircases, vertical shafts and the like and has certain fire resistance. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.
The fireproof door is required to be kept in a closed state in daily use, so that a common fireproof door is also required to be connected with a door frame through an automatic closing mechanism, and after the fireproof door is opened, the automatic closing is realized under the action of the automatic closing mechanism; in the process of automatically closing the fireproof door, the fireproof door collides with a door frame to generate large noise; in order to solve the collision between the fireproof door and the door frame, in the prior art, damping is generally arranged in an automatic closing mechanism or a hinge, but the damping resistance is fixed, and the revolving acting force borne by the fireproof door is certainly larger than the damping resistance, so that the fireproof door is still in a continuous acceleration state in the door closing process, the fireproof door finally collides with the door frame to a certain extent, and the anti-collision effect is general; and the damping can lose efficacy gradually after being used for a long time, and the subsequent use effect is influenced.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a fireproof door with a buffering closing effect.
The invention provides a fireproof door with a buffering closing effect, which comprises:
a door frame;
the pair of door plates are arranged on the door frame through hinges and are also connected with the door frame through an automatic door closer and a buffer mechanism;
the buffer mechanism comprises a buffer airbag and a movable rod, a mounting groove is formed in one side, provided with a hinge, of the door plate, the buffer airbag is fixedly mounted in the mounting groove, part of the mounting groove protrudes out, a mounting cavity is formed inside the door plate, a buffer solution is filled in the mounting cavity, the movable rod is further arranged in the mounting cavity, a first movable cavity and a second movable cavity which are communicated with the mounting cavity are formed in the door plate, two ends of the movable rod are respectively sealed and inserted into the first movable cavity and the second movable cavity, one end of the first movable cavity, far away from the mounting cavity, is communicated with the mounting groove, and the buffer airbag is communicated with the first mounting cavity in a sealing mode through an air pipe.
Preferably, the side edge of the door panel is further provided with a strip-shaped sealing air bag in an attached mode, and one end, far away from the installation cavity, of the second movable cavity is communicated with the sealing air bag.
Preferably, the middle part of the movable rod is further sleeved with a conical resistance piece, and one end of a pointed cone of the resistance piece points to one side of the first installation cavity.
Preferably, sealing rings are fixedly arranged at the cavity openings of the first movable cavity and the second movable cavity, and the sealing rings are sleeved on the movable rod.
Preferably, a spring is further arranged in the buffering air bag, and two ends of the spring are respectively abutted against two ends of the buffering air bag.
Compared with the prior art, the invention has the beneficial effects that:
1. the door plant also can receive the resistance that the buffering gasbag gave at the in-process of extrusion buffering gasbag, and this door plant pivoted speed is fast this resistance big more, when the slew velocity of door plant is greater than a critical value, the resistance that it received can be greater than the closed door effort that automatic door closer provided, door plant slew velocity can the subassembly reduce this moment, and then the final speed of door plant can keep at this critical value, through predetermineeing the speed that the door plant can finally reach at the self-closing in-process, with this final speed control in certain extent, alright avoid producing the collision between door plant and the door frame.
2. Because the buffering gasbag on the door plant does not contact with the door frame at the beginning for the door plant can not receive extra resistance at the pivoted in-process, and the door plant pivoted is very fast this moment, and sets up the damping and makes the door plant all can receive the resistance at the rotation in-process, and then leads to the door plant at whole closed in-process speed all slower, thereby it is faster than directly setting up the resistance to prevent the holistic closed speed of fire door, has reduced some because prevent that fire door does not in time close the potential safety hazard that produces.
3. At the door plant in-process that rotates to close, because the movable rod removes, can be with the crowded sealed gasbag of going into in the second activity intracavity for sealed gasbag slowly expands, treats the door plant and closes the back completely, and the clearance between expanded sealed gasbag will door plant and the door frame is filled, and then has improved the sealed effect of preventing fire door, when the conflagration takes place, the diffusion of separation smog that can be better.
Drawings
Figure 1 is a schematic cross-sectional front view of a fire rated door with a cushioned closure according to the present invention;
fig. 2 is a schematic view of a connection structure between a door frame and a fireproof door with a buffering closing effect according to the present invention in a closed state;
FIG. 3 is a schematic view of a connection structure between a door frame and a door frame of the present invention in an open state;
fig. 4 is an enlarged view of a structure a in fig. 1.
In the figure: 1 door frame, 2 door plants, 3 hinges, 4 buffering gasbags, 5 springs, 6 first movable cavities, 7 movable rods, 8 installation cavities, 9 buffering liquid, 10 second movable cavities, 11 sealing gasbags, 12 resistance pieces and 13 sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, a fire rated door with a cushioned closure effect, comprising:
a doorframe 1;
the pair of door plates 2 are arranged on the door frame 1 through hinges 3, and the door plates 2 are also connected with the door frame 1 through an automatic door closer and a buffer mechanism;
the buffer mechanism comprises a buffer airbag 4 and a movable rod 7, one side of a door plate 2 provided with a hinge 3 is provided with a mounting groove, the buffer airbag 4 is fixedly mounted in the mounting groove, part of the buffer airbag is protruded out of the mounting groove, a mounting cavity 8 is formed in the door plate 2, a buffer solution 9 is arranged in the mounting cavity 8, the movable rod 7 is further arranged in the mounting cavity 8, the door plate 2 is provided with a first movable cavity 6 and a second movable cavity 10 which are communicated with the mounting cavity 8, two ends of the movable rod 7 are respectively inserted into the first movable cavity 6 and the second movable cavity 10 in a sealing manner, specifically, sealing rings are fixedly arranged at cavity openings of the first movable cavity 6 and the second movable cavity 10, the sealing rings are sleeved on the movable rod 7, one end of the first movable cavity 6, which is far away from the mounting cavity 8, is communicated with the mounting groove, and the buffer airbag 4 is;
in the embodiment applying the technical scheme, in the process of automatically closing the door panel 2 under the action of the automatic door closer, after the door panel 2 rotates for a certain angle, the buffer airbag 4 contacts the door frame 1, the door panel 2 continues to rotate to extrude the buffer airbag 4, and further, the gas in the buffer airbag 4 is extruded into the first movable cavity 6, the pressure in the first movable cavity 6 is increased to extrude the movable rod 7 to move, the movable rod 7 can bear resistance when the buffer solution 9 moves, the resistance is related to the moving speed of the movable rod 7, the resistance is higher when the speed is higher, so the door panel 2 can also bear the resistance given by the buffer airbag 4 when the buffer airbag 4 is extruded, the resistance is higher when the door panel 2 rotates at a higher speed, the resistance borne by the door panel is higher than the door closing acting force provided by the automatic door closer, and at the moment, the rotating speed of the door panel 2 can be reduced, the final speed of the door panel 2 can be kept at the critical value, so that the final speed which can be finally reached by the door panel 2 in the automatic closing process can be preset through presetting the driving force of the automatic door closer and the relation between the shearing stress and the shearing strain rate of the buffer solution 9 when the door panel 2 is designed and produced, the final speed is controlled within a certain range, the collision between the door panel 2 and the door frame 1 can be avoided, and meanwhile, the driving force of the automatic door closer is larger than the resistance force which is applied when the door panel 2 is static;
and at the beginning because the buffering gasbag 4 on the door plant 2 does not contact with door frame 1 for door plant 2 can not receive extra resistance at the pivoted in-process, 2 pivoted very fast at this moment door plant, and set up the damping and make door plant 2 all can receive the resistance at the rotation in-process, and then lead to door plant 2 all slower at whole closed in-process speed, thereby it is faster than directly setting up the resistance to prevent the holistic closed speed of fire door, some because prevent that fire door does not in time close the potential safety hazard that produces.
According to the preferable technical scheme in the embodiment, the strip-shaped sealing airbag 11 is further attached to the side edge of the door panel 2, one end, far away from the installation cavity 8, of the second movable cavity 10 is communicated with the sealing airbag 11, in the process that the door panel 2 is closed in a rotating mode, the movable rod 7 moves to extrude the interior of the second movable cavity 10 into the sealing airbag 11, so that the sealing airbag 11 is slowly expanded, after the door panel 2 is completely closed, the gap between the door panel 2 and the doorframe 1 is filled by the expanded sealing airbag 11, the sealing effect of the fireproof door is further improved, and when a fire disaster happens, smoke can be better prevented from diffusing;
according to the preferable technical scheme in the embodiment, the middle of the movable rod 7 is further sleeved with a conical resistance piece 12, one end of the conical end of the resistance piece 12 points to one side of the first installation cavity 8, and the resistance piece 12 with the structure is arranged, so that the movable rod 7 is more resistant to movement towards one side far away from the first installation cavity 8, when a user pushes the door plate 2 open, the resistance provided by the buffer solution 9 on the movable rod 7 is less, and the user can push the door plate 2 open more easily;
according to the preferable technical scheme in the embodiment, the spring 5 is further arranged in the buffering air bag 4, and two ends of the spring 5 are respectively abutted against two ends of the buffering air bag 4, so that the buffering air bag 4 can be quickly restored to the original shape after not being contacted with the door frame 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A fire rated door with cushioned closure effect, comprising:
a door frame (1);
the pair of door plates (2) are arranged on the door frame (1) through hinges (3), and the door plates (2) are also connected with the door frame (1) through an automatic door closer and a buffer mechanism;
wherein the buffer mechanism comprises a buffer air bag (4) and a movable rod (7), one side of the door panel (2) provided with the hinge (3) is provided with an installation groove, the buffering air bag (4) is fixedly arranged in the installation groove, and part of the door panel protrudes out of the mounting groove, a mounting cavity (8) is arranged inside the door panel (2), a buffer solution (9) is arranged in the mounting cavity (8), a movable rod (7) is also arranged in the mounting cavity (8), the door plate (2) is provided with a first movable cavity (6) and a second movable cavity (10) which are communicated with the installation cavity (8), two ends of the movable rod (7) are respectively inserted in the first movable cavity (6) and the second movable cavity (10) in a sealing way, one end of the first movable cavity (6) far away from the installation cavity (8) is communicated with the installation groove, the buffering air bag (4) is communicated with the first installation cavity (8) in a sealing mode through an air pipe.
2. The fire door with the buffering closing effect as claimed in claim 1, characterized in that a strip-shaped air bag (11) is attached to the side of the door panel (2), and one end of the second movable cavity (10) far away from the installation cavity (8) is communicated with the air bag (11).
3. The fire door with the buffering closing effect as claimed in claim 1, characterized in that the middle of the movable rod (7) is further sleeved with a conical resistance member (12), and the pointed end of the resistance member (12) points to one side of the first installation cavity (8).
4. The fire door with the buffering closing effect as claimed in claim 1, wherein sealing rings (13) are fixedly arranged at the openings of the first movable cavity (6) and the second movable cavity (10), and the sealing rings (13) are sleeved on the movable rod (7).
5. The fire door with a buffering closing effect according to claim 1, characterized in that a spring (5) is further disposed in the buffering air bag (4), and two ends of the spring (5) respectively abut against two ends of the buffering air bag (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010832072.8A CN111927282A (en) | 2020-08-18 | 2020-08-18 | Prevent fire door with buffering closed effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010832072.8A CN111927282A (en) | 2020-08-18 | 2020-08-18 | Prevent fire door with buffering closed effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111927282A true CN111927282A (en) | 2020-11-13 |
Family
ID=73305419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010832072.8A Withdrawn CN111927282A (en) | 2020-08-18 | 2020-08-18 | Prevent fire door with buffering closed effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111927282A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2847156A1 (en) * | 1978-10-30 | 1980-05-14 | Schulte Hermann J Kg | Fire damping door foamed sealing profile - has foil cover over flat edge depressions housing it in metal strip |
| CN206926499U (en) * | 2017-06-25 | 2018-01-26 | 安徽凯明工贸有限公司 | A kind of anticollision bus inner swing door |
| CN208273403U (en) * | 2018-04-26 | 2018-12-21 | 清远市鼎兴泰机械设备有限公司 | A kind of side door of electric cabinet closure anti-collision structure |
| CN109723356A (en) * | 2019-01-11 | 2019-05-07 | 温州卓群建设工程有限公司 | A kind of house combined decoration door |
| CN111456593A (en) * | 2020-04-16 | 2020-07-28 | 房莉莉 | Door with buffering effect |
-
2020
- 2020-08-18 CN CN202010832072.8A patent/CN111927282A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2847156A1 (en) * | 1978-10-30 | 1980-05-14 | Schulte Hermann J Kg | Fire damping door foamed sealing profile - has foil cover over flat edge depressions housing it in metal strip |
| CN206926499U (en) * | 2017-06-25 | 2018-01-26 | 安徽凯明工贸有限公司 | A kind of anticollision bus inner swing door |
| CN208273403U (en) * | 2018-04-26 | 2018-12-21 | 清远市鼎兴泰机械设备有限公司 | A kind of side door of electric cabinet closure anti-collision structure |
| CN109723356A (en) * | 2019-01-11 | 2019-05-07 | 温州卓群建设工程有限公司 | A kind of house combined decoration door |
| CN111456593A (en) * | 2020-04-16 | 2020-07-28 | 房莉莉 | Door with buffering effect |
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201113 |