CN112049552A - Security protection is with keeping apart shutter door device - Google Patents
Security protection is with keeping apart shutter door device Download PDFInfo
- Publication number
- CN112049552A CN112049552A CN202010963401.2A CN202010963401A CN112049552A CN 112049552 A CN112049552 A CN 112049552A CN 202010963401 A CN202010963401 A CN 202010963401A CN 112049552 A CN112049552 A CN 112049552A
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- CN
- China
- Prior art keywords
- fire
- curtain
- security
- fixed mounting
- rod
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- 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.)
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Classifications
-
- 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
- E06B5/161—Profile members 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
- 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
- E06B5/162—Fireproof doors having windows or other openings, e.g. for permitting ventilation or escape
-
- 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
- E06B7/32—Serving doors; Passing-through doors ; Pet-doors
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/62—Counterweighting arrangements
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B2009/801—Locking arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses an isolation rolling gate device for security and protection, and relates to the technical field of security and protection; the problem that after the existing isolating shutter door falls down, rescue workers and escape workers are not easy to pass through the isolating shutter door, and the safety performance of the isolating shutter door is reduced is solved; the novel winding machine comprises a shell, wherein limiting track grooves are fixedly arranged on two sides of the bottom of the shell, a base is fixedly arranged between the bottoms of the two limiting track grooves, a driving motor is fixedly arranged inside the shell, and a winding support is fixedly arranged at the end part of an output shaft of the driving motor. The fire-proof curtain can be opened in the middle of the fire-proof curtain to provide a channel for people to rescue and escape, and can be closed again after being opened, so that the fire spreading is avoided, compared with the traditional isolating shutter door, the fire-proof curtain can provide a rescue and escape channel for people without being folded, the operation is simple and convenient, the fire isolating effect is improved, and the safety of the device is improved due to the double-layer movable curtains which are arranged in a staggered mode.
Description
Technical Field
The invention relates to the technical field of security protection, in particular to an isolation rolling gate device for security protection.
Background
Security can be understood as an acronym for "security protection". According to the explanation of the present Chinese dictionary, the safety is no danger, no harm and no accident; the prevention refers to the preparation and protection, i.e. the preparation and protection are made to cope with the attack or avoid the damage, so that the protected object is in a safe state without danger, invasion and accidents. Obviously, the purpose of safety is safety, and the precaution is means, and the purpose of safety is achieved or realized by the precaution means.
Fire prevention is kept apart for preventing the conflagration large tracts of land and prolongs burning, plays isolation space and relevant facility of protection life and property function effect, belongs to the important facility of security protection, and at present, many occasions use and keep apart the shutter door and keep apart the conflagration, but, the current isolation shutter door is after falling down, and rescue personnel and flee personnel are difficult for passing through, make its security performance decline.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an isolation rolling gate device for security protection.
The invention provides an isolation rolling gate device for security protection, which comprises a shell, wherein two sides of the bottom of the shell are fixedly provided with limiting track grooves, a base is fixedly arranged between the bottoms of the two limiting track grooves, a driving motor is fixedly arranged in the shell, the end part of an output shaft of the driving motor is fixedly provided with a rolling support, the other end of the rolling support is rotatably connected with the shell through a bearing, a fire-proof curtain is wound on the outer side of the rolling support, a balance weight rod is fixedly arranged at the bottom end of the fire-proof curtain, the edges of two ends of the fire-proof curtain are respectively provided with a limiting sliding groove part matched with the openings of the limiting track grooves, the bottom of the shell is provided with a strip-shaped slotted hole, a limiting pipe groove in sliding connection with the fire-proof curtain is fixedly arranged in the strip-shaped slotted hole, rectangular openings are respectively arranged on two sides of the fire-proof curtain, a double-sided zipper is fixedly installed between the movable curtain and the edge of the rectangular opening, and a storage battery pack electrically connected with a driving motor is fixedly installed inside the shell.
Preferably, the two sides of the top end of the limiting pipe groove are provided with arc parts of inverted J-shaped structures, and the size of the counterweight rod is larger than the size of the opening at the bottom end of the limiting pipe groove.
Preferably, the top of base is provided with the rectangle slot, and the bottom of counterweight rod is provided with the bellying with rectangle slot looks adaptation.
Preferably, both ends of the fireproof curtain are fixedly provided with limit sliding blocks of a shuttle-shaped structure, and the width of the side surface of each limit sliding block is larger than the width of an opening of each limit track groove.
Preferably, both ends of the fire-proof curtain are provided with extension parts with fold-shaped structures, and the middle part of the extension part is provided with a plurality of hole groove parts with strip-shaped structures.
Preferably, the end of the limiting sliding block is fixedly provided with an elastic rope, and the elastic rope is positioned in the center of the groove part and is stably connected with the fire-proof curtain.
Preferably, a magic tape matched with the movable curtain is fixedly installed between the two movable curtains.
Preferably, a plurality of circular holes are formed in the side face of the base, locking mechanisms are fixedly mounted inside the circular holes, and locking holes matched with the locking mechanisms are formed in the side face of the protruding portion.
Preferably, the locking mechanism comprises a blocking rod, an extension rod and a locking rod, the blocking rod is in threaded connection with the circular hole, the extension rod is located between the locking rod and the blocking rod, and the extension rod is made of a thermal expansion material.
According to the fire-resistant curtain, when a fire disaster occurs, the driving motor drives the rolling support to rotate to lower the fire-resistant curtain, so that a passageway is isolated, the movable curtains fixed through the double-sided zippers are arranged on the surfaces of the two sides of the fire-resistant curtain, the movable curtains can be movably connected and disconnected through the double-sided zippers during rescue, a passageway for people to rescue and escape is opened in the middle of the fire-resistant curtain, and the fire-resistant curtain can be closed again after being opened, so that the fire spread is avoided, compared with a traditional isolating rolling gate, the fire-resistant curtain can provide a rescue and escape passageway for people without being folded, the operation is simple and convenient, the isolation effect on the fire is improved, and the safety of the device is improved due;
the extension parts with the fold-shaped structures are arranged on the two sides of the fireproof curtain, so that the fireproof curtain is endowed with elastic expansion capacity at the two ends, when the fireproof curtain is impacted by hot waves or explosion, impact force can be offset through elastic expansion of the extension parts, the falling-off phenomenon of the fireproof curtain caused by instant impact is avoided, and the use stability and safety of the device are further improved;
the inside extension pole of locking mechanism heats when the conflagration takes place, makes its quick inflation and then promotes the locking pole to between circular port and the locking hole, accomplishes the closure between the weight lever of bottom and the base, and the bottom drops when avoiding the device to use, can continue to use through changing inside extension pole after the conflagration, further improves the security.
Drawings
FIG. 1 is a schematic cross-sectional view of an isolation rolling gate device for security protection according to the present invention;
FIG. 2 is a schematic view of a partial side view of an isolation rolling gate device for security protection according to the present invention;
FIG. 3 is a schematic structural view of a movable curtain of an isolation rolling gate device for security protection according to the present invention;
FIG. 4 is a schematic cross-sectional view of an extension portion of the security isolation rolling door device according to the present invention;
fig. 5 is a schematic structural diagram of a locking mechanism of an isolation rolling gate device for security protection according to the present invention.
In the figure: the device comprises a shell 1, a limiting pipe groove 2, a rolling support 3, a driving motor 4, a storage battery pack 5, a slotted hole 6, a limiting sliding block 7, a fireproof curtain 8, a base 9, a locking rod 91, an extending rod 92, a blocking rod 93, a counterweight rod 10, a locking hole 101, a limiting rail groove 11, a groove part 12, a limiting sliding groove part 13, an elastic rope 14, an extending part 15, a double-sided zipper 16, a movable curtain 17 and a magic tape 18.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-4, an isolation rolling gate device for security protection comprises a housing 1, wherein both sides of the bottom of the housing 1 are fixedly provided with limiting rail grooves 11, a base 9 is fixedly arranged between the bottoms of the two limiting rail grooves 11, a driving motor 4 is fixedly arranged in the housing 1, the end part of an output shaft of the driving motor 4 is fixedly provided with a rolling support 3, the other end of the rolling support 3 is rotatably connected with the housing 1 through a bearing, a fire curtain 8 is wound on the outer side of the rolling support 3, a weight lever 10 is fixedly arranged at the bottom end of the fire curtain 8, the edges of both ends of the fire curtain 8 are respectively provided with a limiting sliding groove part 13 matched with the opening of the limiting rail groove 11, the bottom of the housing 1 is provided with a strip-shaped slotted hole 6, a limiting pipe groove 2 connected with the fire curtain 8 in a sliding manner is fixedly arranged in the strip-shaped slotted hole 6, two movable curtains 17 which are arranged in a staggered mode are fixedly installed inside the two rectangular openings, a double-sided zipper 16 is fixedly installed between the movable curtains 17 and the edges of the rectangular openings, a storage battery pack 5 which is electrically connected with the driving motor 4 is fixedly installed inside the shell 1, the driving motor 4 drives the rolling support 3 to rotate to lower the fireproof curtain 8 when a fire occurs, and further to isolate the passageway, the movable curtains 17 which are fixed through the double-sided zipper 16 are arranged on the surfaces of the two sides of the fireproof curtain 8, the movable connection 17 can be opened through the double-sided zipper 16 during rescue, a channel for people to rescue and escape is opened in the middle of the fireproof curtain 8, and the movable curtains can be closed again after being opened to avoid the fire spreading, compared with a traditional isolating rolling gate, the fire isolating shutter can provide a rescue and escape channel for people without being folded, is simple and convenient to operate, and improves the fire isolating effect, and the double-layer movable curtains 17 are arranged in a staggered manner, so that the use safety of the device is improved.
According to the invention, the arc parts with the inverted J-shaped structures are arranged on two sides of the top end of the limiting pipe groove 2, the size of the counterweight rod 10 is larger than that of the opening at the bottom end of the limiting pipe groove 2, the phenomena of scraping and blocking are avoided when the device main fireproof curtain 8 descends, the use stability is improved, and the bottom end plugging is reduced through the counterweight rod 10 during rolling.
The top of base 9 is provided with the rectangle slot, and the bottom of counterweight rod 10 is provided with the bellying with rectangle slot looks adaptation, and the bellying of bottom inserts the inside of rectangle slot when counterweight rod 10 descends, improves the sealed isolated effect of bottom.
The equal fixed mounting in both ends of fire prevention curtain 8 has limiting slide block 7 of fusiformis structure, and limiting slide block 7's side width is greater than the opening width in spacing track groove 11, when fire prevention curtain 8 descends, through limiting slide block 7's counter weight effect, provide the pulling force when fire prevention curtain 8 descends, and the fusiformis structure avoids appearing the card pause phenomenon, and simultaneously, both ends and spacing track groove 11 drop when can avoiding fire prevention curtain 8 to receive the impact and cause isolated failure phenomenon, the security that the improvement device used.
The both ends of fire prevention curtain 8 all are provided with the extension portion 15 of fold column structure, and the middle part of extension portion 15 is provided with the hole slot part 12 of a plurality of rectangular form structures, set up the extension portion 15 of fold column structure in the both sides of fire prevention curtain 8, make its both ends elasticity expansion ability of giving fire prevention curtain 8, when receiving the impact of hot wave or explosion, can offset the impact force through its elastic extension, avoid impact in the twinkling of an eye to cause fire prevention curtain 8's the phenomenon of droing, further improve stability and the security that the device used.
The end fixing of limit slider 7 is installed flexible rope 14, and the central authorities that elasticity rope 14 is located slot part 12 are connected with fire prevention curtain 8 is firm, through the setting of elasticity rope 14, runs through the extension portion 15 of both sides, when receiving the impact expansion, through the setting of elasticity rope 14, improves tensile strength, and can reply fast after the expansion, avoids influencing its isolated effect, advances the security that one improve the device used.
Magic subsides 18 of fixed mounting looks adaptation between two movable curtains 17, fix through magic subsides 18 between two movable curtains 17, can reduce movable curtain 17 to the dependence of two-sided zip fastener 16, dual fixed shock resistance who improves the activity even 17 improves the security.
This embodiment is when using, driving motor 4 drives the rotation of rolling support 3 and falls fire prevention curtain 8 when meetting the conflagration, and then completely cut off the passageway, be provided with the movable curtain 17 fixed through two-sided zip fastener 16 on fire prevention curtain 8's both sides surface, can open the activity through two-sided zip fastener 16 even 17 when the rescue, open the passageway that provides people's rescue and flee at fire prevention curtain 8 middle part, and can close once more after opening, avoid the intensity of a fire to stretch, for traditional isolation shutter door, need not to pack it up and can provide rescue and escape way for people, and easy operation is convenient, improve the isolated effect to the intensity of a fire, and the crisscross movable curtain 17 that sets up of bilayer, the security that improves the device and use.
Example 2
Referring to fig. 1-5, in this embodiment, compared with embodiment 1, in the embodiment, a plurality of circular holes are formed in a side surface of a base 9, a locking mechanism is fixedly installed inside the circular holes, a locking hole 101 matched with the locking mechanism is formed in a side surface of a protruding portion, when a weight rod 10 is lowered to be engaged with the base 9, the locking mechanism is matched with the locking hole 101, so that the connection stability between the weight rod 10 and the base 9 is improved, a falling-off phenomenon caused by impact is avoided, and the use safety of the device is further improved;
the locking mechanism comprises a blocking rod 93, an extension rod 92 and a locking rod 91, the blocking rod 93 is in threaded connection with the circular hole, the extension rod 92 is located between the locking rod 91 and the blocking rod 93, the extension rod 92 is made of thermal expansion materials, the extension rod 92 inside the locking mechanism is heated when a fire disaster occurs, the extension rod 92 is rapidly expanded to further push the locking rod 91 to the position between the circular hole and the locking hole 101, locking between the weight rod 10 at the bottom and the base 9 is completed, the bottom is prevented from falling off when the device is used, the device can be continuously used after the fire disaster is over by replacing the extension rod 92 inside the locking mechanism, and safety is further improved.
This embodiment is when using, heats the inside extension pole 92 of locking mechanism when the conflagration takes place, makes its quick inflation and then promotes locking pole 91 to between circular port and the locking hole 101, accomplishes the closure between the weight lever 10 and the base 9 to the bottom, and the bottom drops when avoiding the device to use, can continue to use through changing inside extension pole 92 after the conflagration finishes, further improves the security.
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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a security protection is with keeping apart a roll gate device, includes casing (1), the equal fixed mounting in bottom both sides of casing (1) has spacing track groove (11), and fixed mounting has base (9) between the bottom of two spacing track grooves (11), the inside fixed mounting of casing (1) has driving motor (4), and the output shaft tip fixed mounting of driving motor (4) has rolling support (3), and the other end of rolling support (3) passes through the bearing and is connected with casing (1) rotation, its characterized in that, fire curtain (8) have been convoluteed in the outside of rolling support (3), and the bottom fixed mounting of fire curtain (8) has fire prevention curtain pole (10), the both ends edge of fire prevention curtain (8) all is provided with spacing slide groove portion (13) with spacing track groove (11) opening looks adaptation, bar slot hole (6) have been seted up to the bottom of casing (1), and the inside fixed mounting of bar slotted hole (6) has spacing chase (2) with fire prevention curtain (8) sliding connection, the rectangle opening has all been seted up to the both sides of fire prevention curtain (8), and two rectangle open-ended inside fixed mounting have two crisscross movable curtains (17) that set up, fixed mounting has two-sided zip fastener (16) between movable curtain (17) and the rectangle open-ended edge, the inside fixed mounting of casing (1) has storage battery (5) with driving motor (4) electric connection.
2. The security isolation roller gate device as claimed in claim 1, wherein the top end of the limiting pipe slot (2) is provided with an arc part with an inverted J-shaped structure at both sides, and the size of the weight lever (10) is larger than the size of the bottom opening of the limiting pipe slot (2).
3. The security isolation roller gate device as claimed in claim 1, wherein a rectangular slot is provided at the top of the base (9), and a protrusion portion adapted to the rectangular slot is provided at the bottom end of the weight lever (10).
4. The isolation roller gate device for security and protection according to claim 1, wherein both ends of the fire-proof curtain (8) are fixedly provided with limit sliding blocks (7) with shuttle structures, and the width of the side surface of each limit sliding block (7) is larger than the opening width of each limit track groove (11).
5. The security isolation rolling gate device according to claim 4, wherein the fire-proof curtain (8) is provided with extensions (15) having a corrugated structure at both ends, and a plurality of elongated slots (12) are provided in the middle of the extensions (15).
6. The security isolation roller shutter device according to claim 5, wherein the end of the limit slider (7) is fixedly installed with an elastic rope (14), and the elastic rope (14) is located at the center of the slot part (12) and is firmly connected with the fire-proof curtain (8).
7. The isolated rolling gate device for security and protection according to claim 1, wherein a magic tape (18) is fixedly installed between the two movable curtains (17), and the two movable curtains (17) are fixed through the magic tape 18, so that dependence of the movable curtains (17) on the double-sided zipper 16 can be reduced, impact resistance of the movable curtain (17) is improved through double fixation, and safety is improved.
8. The security and protection isolation roller gate device according to claim 3, wherein a plurality of circular holes are formed in the side surface of the base (9), locking mechanisms are fixedly mounted inside the circular holes, and locking holes (101) matched with the locking mechanisms are formed in the side surface of the protruding portion.
9. The security isolation roller shutter device as claimed in claim 7, wherein the locking mechanism comprises a blocking rod (93), an extending rod (92) and a locking rod (91), the blocking rod (93) is screwed with the circular hole, the extending rod (92) is located between the locking rod (91) and the blocking rod (93), and the extending rod (92) is made of a thermal expansion material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010963401.2A CN112049552A (en) | 2020-09-14 | 2020-09-14 | Security protection is with keeping apart shutter door device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010963401.2A CN112049552A (en) | 2020-09-14 | 2020-09-14 | Security protection is with keeping apart shutter door device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112049552A true CN112049552A (en) | 2020-12-08 |
Family
ID=73610783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010963401.2A Withdrawn CN112049552A (en) | 2020-09-14 | 2020-09-14 | Security protection is with keeping apart shutter door device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112049552A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603081A (en) * | 2020-12-14 | 2021-04-06 | 姜桂红 | Wooden furniture |
| CN115635486A (en) * | 2022-12-23 | 2023-01-24 | 国网浙江宁波市鄞州区供电有限公司 | Automatic monitoring, overhauling and disaster-resisting robot system of underground unmanned power station |
-
2020
- 2020-09-14 CN CN202010963401.2A patent/CN112049552A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603081A (en) * | 2020-12-14 | 2021-04-06 | 姜桂红 | Wooden furniture |
| CN115635486A (en) * | 2022-12-23 | 2023-01-24 | 国网浙江宁波市鄞州区供电有限公司 | Automatic monitoring, overhauling and disaster-resisting robot system of underground unmanned power station |
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| 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: 20201208 |