CN115263157A - High fire door that prevents of security - Google Patents
High fire door that prevents of security Download PDFInfo
- Publication number
- CN115263157A CN115263157A CN202210746627.6A CN202210746627A CN115263157A CN 115263157 A CN115263157 A CN 115263157A CN 202210746627 A CN202210746627 A CN 202210746627A CN 115263157 A CN115263157 A CN 115263157A
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- Prior art keywords
- door
- fixedly connected
- frame body
- rotating
- rod
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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
- 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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention relates to the technical field of fireproof doors, in particular to a fireproof door with high safety. According to the invention, the rotating rod at the bottom end is driven by the rotating column, and the rotating rod and the linkage rod are connected through the round block, so that the rotating rod can drive the linkage rod to rotate, the linkage rod can drive the driving rod to slide in the turnover groove, the connecting plates at two ends of the driving rod can drive the turnover door at one side to carry out turnover operation in the sliding process, after the turnover door and one side of the frame body are kept parallel, the linkage rod can be continuously driven to rotate through the rotating rod, so that the sliding column and the driving rod on the connecting plate can simultaneously slide in the translation groove, the turnover door can translate in the direction of the frame body, the square plate on the side wall of the turnover door can be inserted into the frame body, and therefore, the sealing performance of the fireproof door can be improved by matching with the sealing ring, and the first-step sealing treatment is achieved.
Description
Technical Field
The invention relates to the technical field of fireproof doors, in particular to a fireproof door with high safety.
Background
A fire door is a door having fire-resistant stability, integrity and heat insulation, and is often installed in an evacuation stair, a security passageway, a firewall and other areas; when the fire disaster occurs, the fireproof door in the closed state can play a role in preventing the fire from spreading and the smoke from diffusing, and when the escape personnel need to pass through, the fireproof door can be rapidly opened by rotating the door lock. The conventional door lock for the fireproof door consists of a square bolt and an inclined bolt, wherein the square bolt is controlled by a knob and locks the fireproof door, and the inclined bolt is controlled by a door handle to open and close the fireproof door; when the escape personnel open the fireproof door, the knob needs to be rotated firstly to unlock the fireproof door, and then the handle is rotated to open the fireproof door for escape.
When a certain room or floor conflagration breaks out in the residential building, the intensity of a fire can stretch to upper strata or lower floor region, cause the large tracts of land of intensity of a fire to enlarge, increase the harm and personnel or the loss of property of conflagration, and current firebreak device sets up mostly in public areas such as market or office building, the family prevents that the fire door sets up lessly, even set up fire prevention measure, also only reach the effect of fire prevention through the door that has fire prevention material to make, this door and wall body are in the installation, there is the clearance, when then outdoor conflagration takes place, smog or intensity of a fire can circulate to indoor region through the clearance, cause harm.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a high-safety fireproof door, a turnover mechanism is arranged in the high-safety fireproof door, a second bevel gear can be driven to rotate through an output end of a servo motor in the turnover mechanism, the second bevel gear can drive a first bevel gear at the bottom end to rotate, the first bevel gear can drive a rotating column at the central position to rotate, so that a rotating rod at the bottom end can be driven by the rotating column, the rotating rod and a linkage rod are connected through a round block, the linkage rod can drive the linkage rod to rotate, so that the linkage rod can drive a driving rod to slide in a turnover groove, a connecting plate at two ends of the driving rod can drive a turnover door at one side to turn over in the sliding process, when the turnover door and one side of a frame body are parallel, the linkage rod can be continuously driven to rotate through the rotating rod, so that a sliding column and the driving rod on the connecting plate can simultaneously slide in the translation groove, the turnover door can be translated towards the direction of the frame body, a square plate on the side wall of the turnover door can be inserted into the frame body, so that the sealing performance of the fireproof door can be improved by matching with a sealing treatment, a fire can be achieved in a first step, and a fire door can pass through the fire door, and a small indoor flue gas can be used as a safe area, so as to ensure that the safe smoke in a family can be separated from a small room; through being provided with sealing mechanism in the framework, when the intensity of a fire is great, the heat source can be close to the door body gradually, after the connection rope on the framework lateral wall is fused, four stop collars on the connection rope can break away from with spacing post mutually, make the stop collars no longer restrict spacing post, thereby can drive the screw rod and rotate in the round shell under clockwork spring's effect, can drive the extrusion frame when four screw rods rotate simultaneously and slide in the framework is inside, can extrude the fire prevention foaming agent of storage chamber inside through the extrusion frame, make fire prevention foaming agent can fill slot inside through four round holes, can prevent fires the packing to the gap between square plate and the slot like this, can play further sealed effect like this, thereby can play the effect of fire prevention separation, the security performance of device has been improved, make flue gas and high fever air be difficult to pass, the safety of device one side has been guaranteed.
The purpose of the invention can be realized by the following technical scheme:
a fireproof door with high safety comprises a turnover mechanism, wherein a sealing mechanism is fixedly arranged on one side of the turnover mechanism;
the turnover mechanism comprises a turnover door, one side of the turnover door is fixedly connected with a square plate, the inner side wall of the turnover door is symmetrically and fixedly connected with two connecting plates about the vertical central plane thereof, one side of the two connecting plates is provided with a positioning plate, the two positioning plates are both provided with translation grooves, a driving rod is connected between the two translation grooves in a sliding manner, the two connecting plates are both fixedly connected with sliding columns in sliding connection with the translation grooves, two ends of the driving rod are rotatably sleeved with one end of a linkage rod, the other ends of the two linkage rods are rotatably connected with a round block, one end of a rotating rod is sleeved on the round block in a rotating way, the inner wall of the turnover door is fixedly connected with a sealing ring, the turnover mechanism is arranged in the fireproof door with high safety, the output end of the servo motor in the turnover mechanism can drive the second helical gear to rotate, the second bevel gear can drive the first bevel gear at the bottom end to rotate, the first bevel gear can drive the rotating column at the central position to rotate, and the rotating column at the bottom end can be driven by the rotating column, because the rotating rod is connected with the linkage rod through the round block, the rotating rod can drive the linkage rod to rotate, so that the linkage rod can drive the driving rod to slide in the turnover groove, the connecting plates at the two ends of the driving rod can drive the turnover door at one side to turn over in the sliding process, when the turnover door and one side of the frame body are kept parallel, the linkage rod can be continuously driven to rotate through the rotating rod, so that the sliding column and the driving rod on the connecting plate can simultaneously slide in the translation groove, thereby can let the turnover door carry out the translation toward the direction of framework to during this square plate through on the turnover door lateral wall can insert the framework, can cooperate the sealing washer to improve fire door's sealing performance like this.
The sealing mechanism comprises a frame body, the two positioning plates are fixedly connected with the inner wall of the frame body, a storage cavity is formed in the side wall of the frame body, the extrusion frame is sleeved in the storage cavity in a sliding mode, four corners of the extrusion frame are connected with screw rods in a screwing mode, the screw rods are connected with the frame body in a rotating mode, the end portion of the storage cavity is provided with the positioning frame fixedly connected with the frame body, and the side wall of the frame body is provided with a slot which is connected with the square plate in a sliding mode in an inserting mode.
The end part of the rotating rod is fixedly sleeved with a rotating column, a first helical gear is fixedly sleeved on the rotating column, the top of the first helical gear is in meshing connection with a second helical gear, and the central position of the second helical gear is fixedly connected with the output end of a servo motor.
The positioning plate is characterized in that two positioning plates are provided with turnover grooves, the turnover grooves are communicated with the translation grooves, the driving rod is connected with the turnover grooves in a sliding mode, the top end of the outer wall of the sliding column is fixedly sleeved with a circular ring, and the circular ring slides relative to the positioning plates.
Further, the inner wall of the square plate is fixedly provided with a fireproof strip, and the fireproof strip is fixedly arranged on the inner wall of the square plate, so that the fireproof door can separate the fire.
It further lies in, four the equal fixedly connected with stop collar in tip of screw rod, four equal slip has cup jointed spacing post, adjacent two between the spacing post equal fixedly connected with connects the rope, framework lateral wall top is connected with two axis of rotation, two about its vertical central plane symmetry rotation the tip of axis of rotation all has cup jointed the locating wheel, the locating wheel with be connected the rope looks solderless wrapped connection, two the equal fixedly connected with reference column in bottom of connecting the rope, reference column and framework fixed connection, the heat source can be close to the door body gradually, after the connection rope on the framework lateral wall is fused, four stop collars on the connection rope can break away from with the spacing post mutually for the stop collar no longer restricts spacing post, thereby can drive the screw rod and rotate in the round shell under clockwork spring's effect.
The storage cavity is filled with fireproof foaming agent, the frame body is provided with four round holes symmetrically about the vertical central plane, and gaps between the square plates and the slots can be filled after the fireproof foaming agent is extruded into the slots in the storage cavity, so that the sealing performance of the device can be further improved.
It is further characterized in that, four all rotate on the screw rod and cup joint the round shell with framework looks fixed connection, the inside of round shell is fixed be provided with screw rod looks fixed connection's clockwork spring, after stop collar and spacing post phase separation, clockwork spring can drive the screw rod and rotate to can drive the extrusion frame and remove in the framework, make the extrusion frame can be with the inside fire prevention foaming agent of storage chamber squeeze into the slot and fill.
The invention has the beneficial effects that:
1. the turnover mechanism is arranged in the fireproof door with high safety, the output end of a servo motor in the turnover mechanism can drive the bevel gear II to rotate, the bevel gear II can drive the bevel gear I at the bottom end to rotate, the bevel gear I can drive the rotating column at the central position to rotate, and therefore the rotating rod at the bottom end can be driven by the rotating column;
2. through being provided with sealing mechanism in the framework, when the intensity of a fire is great, the heat source can be close to the door body gradually, after the connection rope on the framework lateral wall is fused, four stop collars on the connection rope can break away from with spacing post mutually, make the stop collars no longer restrict spacing post, thereby can drive the screw rod and rotate in the round shell under clockwork spring's effect, can drive the extrusion frame when four screw rods rotate simultaneously and slide in the framework is inside, can extrude the fire prevention foaming agent of storage chamber inside through the extrusion frame, make fire prevention foaming agent can fill slot inside through four round holes, can prevent fires the packing to the gap between square plate and the slot like this, can play further sealed effect like this, thereby can play the effect of fire prevention separation, the security performance of device has been improved, make flue gas and high fever air be difficult to pass, the safety of device one side has been guaranteed.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall front view structure of the present invention;
FIG. 3 is a schematic view of the structure of the turnover mechanism of the present invention;
FIG. 4 is a schematic view of the driving structure of the turnover mechanism of the present invention;
FIG. 5 is a schematic view of a connection structure of the positioning plate according to the present invention;
FIG. 6 is a cross-sectional view of the frame of the present invention;
FIG. 7 is a schematic view of the sealing mechanism of the present invention;
FIG. 8 is a schematic view of the inner structure of the round case of the present invention.
In the figure: 100. a turnover mechanism; 101. turning over the door; 102. a square plate; 103. a seal ring; 104. a fire-retardant strip; 105. a connecting plate; 106. a drive rod; 107. positioning a plate; 108. a translation groove; 109. a sliding post; 110. a turning groove; 111. a linkage rod; 112. rotating the rod; 113. rotating the column; 114. a first bevel gear; 115. a second bevel gear; 116. a servo motor; 200. a sealing mechanism; 201. a frame body; 202. a positioning frame; 203. extruding the frame; 204. a screw; 205. a position limiting sleeve; 206. a limiting column; 207. connecting ropes; 208. positioning wheels; 209. a rotating shaft; 210. a round shell; 211. a clockwork spring; 212. a storage chamber; 213. a circular hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. 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.
Referring to fig. 1 to 8, a fire door with high safety includes a turnover mechanism 100, a sealing mechanism 200 is fixedly disposed at one side of the turnover mechanism 100;
the turnover mechanism 100 comprises a turnover door 101, one side of the turnover door 101 is fixedly connected with a square plate 102, the inner side wall of the turnover door 101 is symmetrically and fixedly connected with two connecting plates 105 about the vertical central plane thereof, one side of the two connecting plates 105 is provided with a positioning plate 107, the two positioning plates 107 are respectively provided with a translation groove 108, a driving rod 106 is slidably connected between the two translation grooves 108, the two connecting plates 105 are respectively and fixedly connected with a sliding column 109 which is slidably connected with the translation grooves 108, two ends of the driving rod 106 are respectively rotatably sleeved with one end of a linkage rod 111, the other ends of the two linkage rods 111 are respectively rotatably connected with a round block, one end of a rotating rod 112 is rotatably sleeved on the round block, the inner wall of the turnover door 101 is fixedly connected with a sealing ring 103, the turnover mechanism 100 is arranged in a fireproof door with high safety, and a bevel gear two 115 can be driven to rotate through the output end of a servo motor 116 in the turnover mechanism 100, the second bevel gear 115 can drive the first bevel gear 114 at the bottom end to rotate, the first bevel gear 114 can drive the rotating post 113 at the central position to rotate, so that the rotating post 113 can drive the rotating rod 112 at the bottom end, the rotating rod 112 and the linkage rod 111 are connected through a round block, so that the rotating rod 112 can drive the linkage rod 111 to rotate, the linkage rod 111 can drive the driving rod 106 to slide in the turnover groove 110, the connecting plates 105 at the two ends of the driving rod 106 can drive the turnover door 101 at one side to perform turnover operation in the sliding process, when the turnover door 101 and one side of the frame body 201 are kept parallel, the linkage rod 111 can be continuously driven to rotate through the rotating rod 112, so that the sliding post 109 and the driving rod 106 on the connecting plate 105 can simultaneously slide in the translation groove 108, and the turnover door 101 can translate towards the direction of the frame body 201, thus, the square plate 102 on the side wall of the flip door 101 can be inserted into the frame 201, and the sealing performance of the fire door can be improved by matching with the gasket 103.
The end part of the rotating rod 112 is fixedly sleeved with a rotating column 113, a first bevel gear 114 is fixedly sleeved on the rotating column 113, the top of the first bevel gear 114 is connected with a second bevel gear 115 in a meshing manner, and the central position of the second bevel gear 115 is fixedly connected with the output end of a servo motor 116; the two positioning plates 107 are respectively provided with an overturning groove 110, the overturning grooves 110 are communicated with a translation groove 108, the driving rod 106 is in sliding connection with the overturning grooves 110, the top end of the outer wall of the sliding column 109 is fixedly sleeved with a ring, and the ring slides with the positioning plates 107; the fireproof strips 104 are fixedly arranged on the inner wall of the square plate 102, so that a fireproof door can block fire, the end parts of the four screw rods 204 are fixedly connected with limiting sleeves 205, the limiting columns 206 are sleeved in the four limiting sleeves 205 in a sliding manner, a connecting rope 207 is fixedly connected between every two adjacent limiting columns 206, the top end of the side wall of the frame body 201 is symmetrically and rotatably connected with two rotating shafts 209 relative to the vertical central plane of the side wall of the frame body, the end parts of the two rotating shafts 209 are fixedly sleeved with positioning wheels 208, the positioning wheels 208 are in winding connection with the connecting rope 207, the bottom ends of the two connecting ropes 207 are fixedly connected with positioning columns, the positioning columns are fixedly connected with the frame body 201, a heat source can gradually approach the door body, after the connecting rope 207 on the side wall of the frame body 201 is fused, the four limiting sleeves 205 on the connecting rope 207 can be separated from the limiting columns 206, so that the limiting sleeves 205 can not limit the limiting columns 206, and the screw rods 204 can be driven to rotate in the round shell 210 under the action of the clockwork spring 211; the storage cavity 212 is filled with fireproof foaming agent, the inside of the frame body 201 is symmetrically provided with four round holes 213 about the vertical central plane, and the gaps between the square plate 102 and the slots can be filled after the fireproof foaming agent is extruded into the slots in the storage cavity 212, so that the sealing performance of the device can be further improved.
The four screws 204 are rotatably sleeved with round shells 210 fixedly connected with the frame body 201, the inner parts of the round shells 210 are fixedly provided with clockwork springs 211 fixedly connected with the screws 204, and after the limiting sleeve 205 and the limiting column 206 are separated, the clockwork springs 211 can drive the screws 204 to rotate, so that the extrusion frame 203 can be driven to move in the frame body 201, and the fireproof foaming agent in the storage cavity 212 can be extruded into the slots by the extrusion frame 203 to be filled.
The working principle is as follows: when the fireproof door is used, the turnover mechanism 100 is arranged in the fireproof door with high safety, the output end of the servo motor 116 in the turnover mechanism 100 can drive the second bevel gear 115 to rotate, the second bevel gear 115 can drive the first bevel gear 114 at the bottom end to rotate, the first bevel gear 114 can drive the rotating column 113 at the central position to rotate, the rotating column 112 at the bottom end can be driven by the rotating column 113, the rotating rod 112 and the linkage rod 111 are connected through a round block, the rotating rod 112 can drive the linkage rod 111 to rotate, the linkage rod 111 can drive the driving rod 106 to slide in the turnover groove 110, the connecting plates 105 at two ends of the driving rod 106 can drive the turnover door 101 at one side to perform turnover operation in the sliding process, after the turnover door 101 and one side of the frame body 201 are parallel, the rotating rod 112 can continue to drive the driving rod 111 to rotate, the sliding column 109 and the driving rod 106 on the connecting plates 105 can simultaneously slide in the translation groove 108, the turnover door 101 can translate towards the direction of the frame body 201, the square plate 102 on the side wall of the turnover door 101 can be inserted into the frame body, the sealing performance of the turnover door can be improved, and the sealing performance of the fireproof door can be further, and the sealing of the household can be ensured, and the sealing of the indoor sealing area can be used as a sealing area, so that the first sealing of a small indoor flue gas can be used for sealing and the sealing area, and the household;
through being provided with sealing mechanism 200 in framework 201, when the intensity of a fire is great, the heat source can be close to the door body gradually, after connecting rope 207 on the framework 201 lateral wall is fused, four stop collars 205 on the connecting rope 207 can break away from with spacing post 206 mutually, make stop collars 205 no longer restrict spacing post 206, thereby can drive screw rod 204 under clockwork spring 211's effect and rotate in round shell 210, can drive extrusion frame 203 when four screw rods 204 rotate simultaneously and slide in framework 201 is inside, can extrude the inside fire prevention foaming agent of storage chamber 212 through extrusion frame 203, make fire prevention foaming agent can fill through four round holes 213 to the slot is inside, can prevent fires the packing to the gap between square plate 102 and the slot like this, can play further sealing effect like this, thereby can play the effect of fire prevention separation, the security performance of device has been improved, make flue gas and high fever air be difficult to pass, the safety of device one side has been guaranteed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (8)
1. The fireproof door with high safety is characterized by comprising a turnover mechanism (100), wherein a sealing mechanism (200) is fixedly arranged on one side of the turnover mechanism (100);
tilting mechanism (100) are including upset door (101), one side fixedly connected with square plate (102) of upset door (101), on the inside wall of upset door (101) about two connecting plates (105) of its vertical central plane symmetry fixedly connected with, two one side of connecting plate (105) is provided with locating plate (107), two translation groove (108), two have all been seted up on locating plate (107) sliding connection has actuating lever (106), two between translation groove (108) equal fixedly connected with and translation groove (108) looks sliding column (109) on connecting plate (105), the one end of having cup jointed gangbar (111) is all rotated at the both ends of actuating lever (106), two the other end of gangbar (111) all rotates and is connected with the circle piece, the one end of dwang (112) has been cup jointed in the rotation on the circle piece, fixedly connected with and sealing washer (103) on the inner wall of upset door (101).
2. The fireproof door with high safety as claimed in claim 1, wherein the sealing mechanism (200) comprises a frame body (201), the two positioning plates (107) are fixedly connected with the inner wall of the frame body (201), a storage cavity (212) is formed in the side wall of the frame body (201), an extrusion frame (203) is sleeved in the storage cavity (212) in a sliding mode, four corners of the extrusion frame (203) are connected with threaded rods (204) in a screwing mode, the threaded rods (204) are connected with the frame body (201) in a rotating mode, the end portion of the storage cavity (212) is provided with a positioning frame (202) fixedly connected with the frame body (201), and the side wall of the frame body (201) is provided with a slot which is in sliding and inserting connection with the square plate (102).
3. The fireproof door with high safety according to claim 1, wherein the end of the rotating rod (112) is fixedly sleeved with a rotating column (113), a first bevel gear (114) is fixedly sleeved on the rotating column (113), the top of the first bevel gear (114) is engaged with a second bevel gear (115), and the central position of the second bevel gear (115) is fixedly connected with the output end of a servo motor (116).
4. The fireproof door with high safety as claimed in claim 1, wherein two positioning plates (107) are provided with turning grooves (110), the turning grooves (110) are communicated with the translation grooves (108), the driving rod (106) is slidably connected with the turning grooves (110), the top end of the outer wall of the sliding column (109) is fixedly connected with a ring, and the ring is slidably connected with the positioning plates (107).
5. A fire door with high safety as claimed in claim 1, characterized in that a fire strip (104) is fixedly arranged on the inner wall of the square plate (102).
6. The fireproof door with high safety as claimed in claim 2, wherein the four ends of the screw (204) are fixedly connected with limiting sleeves (205), the four limiting sleeves (205) are respectively sleeved with limiting columns (206) in a sliding manner, every two adjacent limiting columns (206) are respectively fixedly connected with connecting ropes (207), the top end of the side wall of the frame body (201) is symmetrically and rotatably connected with two rotating shafts (209) about the vertical central plane of the top end, the two ends of the rotating shafts (209) are respectively fixedly sleeved with positioning wheels (208), the positioning wheels (208) are in winding connection with the connecting ropes (207), the two bottom ends of the connecting ropes (207) are respectively fixedly connected with positioning columns, and the positioning columns are fixedly connected with the frame body (201).
7. The fireproof door with high safety as claimed in claim 2, wherein the storage chamber (212) is filled with fireproof foaming agent, and the frame body (201) is provided with four circular holes (213) inside symmetrically with respect to a vertical central plane.
8. The fireproof door with high safety as claimed in claim 2, wherein a round shell (210) fixedly connected with the frame body (201) is sleeved on each of the four screws (204) in a rotating manner, and a clockwork spring (211) fixedly connected with the screws (204) is fixedly arranged inside the round shell (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210746627.6A CN115263157B (en) | 2022-06-28 | 2022-06-28 | Fireproof door with high safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210746627.6A CN115263157B (en) | 2022-06-28 | 2022-06-28 | Fireproof door with high safety |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115263157A true CN115263157A (en) | 2022-11-01 |
| CN115263157B CN115263157B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210746627.6A Active CN115263157B (en) | 2022-06-28 | 2022-06-28 | Fireproof door with high safety |
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| JPH10280825A (en) * | 1997-04-07 | 1998-10-20 | Sankyo Alum Ind Co Ltd | Sash |
| US20070114801A1 (en) * | 2005-11-09 | 2007-05-24 | Thase Enterprise Co., Ltd. | Transmission Device for Fireproofing Door Lock |
| CN101293589A (en) * | 2008-06-16 | 2008-10-29 | 长治清华机械厂 | Dumpcart wagon backdoor sealing device |
| CN102606051A (en) * | 2011-01-21 | 2012-07-25 | 科尼克工程有限公司 | Automatic fireproof shutter, and method for controlling same |
| KR101453211B1 (en) * | 2013-10-11 | 2014-10-22 | 오맹수 | A fire door automatic movement closing equipment |
| EP2853675A1 (en) * | 2013-09-20 | 2015-04-01 | PROMAT GmbH | Door for smoke protection |
| CN206053776U (en) * | 2016-09-29 | 2017-03-29 | 天津索耐科技公司 | The convertible hermatic door of stifling storehouse |
| CN109184508A (en) * | 2018-09-07 | 2019-01-11 | 宋江河 | A kind of fire resistant doorsets |
| CN113137166A (en) * | 2021-01-22 | 2021-07-20 | 赖用玉 | From stifled seam smoke prevention type fire door safely |
-
2022
- 2022-06-28 CN CN202210746627.6A patent/CN115263157B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10280825A (en) * | 1997-04-07 | 1998-10-20 | Sankyo Alum Ind Co Ltd | Sash |
| US20070114801A1 (en) * | 2005-11-09 | 2007-05-24 | Thase Enterprise Co., Ltd. | Transmission Device for Fireproofing Door Lock |
| CN101293589A (en) * | 2008-06-16 | 2008-10-29 | 长治清华机械厂 | Dumpcart wagon backdoor sealing device |
| CN102606051A (en) * | 2011-01-21 | 2012-07-25 | 科尼克工程有限公司 | Automatic fireproof shutter, and method for controlling same |
| EP2853675A1 (en) * | 2013-09-20 | 2015-04-01 | PROMAT GmbH | Door for smoke protection |
| KR101453211B1 (en) * | 2013-10-11 | 2014-10-22 | 오맹수 | A fire door automatic movement closing equipment |
| CN206053776U (en) * | 2016-09-29 | 2017-03-29 | 天津索耐科技公司 | The convertible hermatic door of stifling storehouse |
| CN109184508A (en) * | 2018-09-07 | 2019-01-11 | 宋江河 | A kind of fire resistant doorsets |
| CN113137166A (en) * | 2021-01-22 | 2021-07-20 | 赖用玉 | From stifled seam smoke prevention type fire door safely |
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| Publication number | Publication date |
|---|---|
| CN115263157B (en) | 2023-08-29 |
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